1	//===-- sanitizer_common_interceptors.inc -----------------------*- C++ -*-===//
2	//
3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4	// See https://llvm.org/LICENSE.txt for license information.
5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6	//
7	//===----------------------------------------------------------------------===//
8	//
9	// Common function interceptors for tools like AddressSanitizer,
10	// ThreadSanitizer, MemorySanitizer, etc.
11	//
12	// This file should be included into the tool's interceptor file,
13	// which has to define its own macros:
14	// COMMON_INTERCEPTOR_ENTER
15	// COMMON_INTERCEPTOR_ENTER_NOIGNORE
16	// COMMON_INTERCEPTOR_READ_RANGE
17	// COMMON_INTERCEPTOR_WRITE_RANGE
18	// COMMON_INTERCEPTOR_INITIALIZE_RANGE
19	// COMMON_INTERCEPTOR_DIR_ACQUIRE
20	// COMMON_INTERCEPTOR_FD_ACQUIRE
21	// COMMON_INTERCEPTOR_FD_RELEASE
22	// COMMON_INTERCEPTOR_FD_ACCESS
23	// COMMON_INTERCEPTOR_SET_THREAD_NAME
24	// COMMON_INTERCEPTOR_DLOPEN
25	// COMMON_INTERCEPTOR_ON_EXIT
26	// COMMON_INTERCEPTOR_SET_PTHREAD_NAME
27	// COMMON_INTERCEPTOR_HANDLE_RECVMSG
28	// COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED
29	// COMMON_INTERCEPTOR_MMAP_IMPL
30	// COMMON_INTERCEPTOR_MUNMAP_IMPL
31	// COMMON_INTERCEPTOR_COPY_STRING
32	// COMMON_INTERCEPTOR_STRNDUP_IMPL
33	// COMMON_INTERCEPTOR_STRERROR
34	//===----------------------------------------------------------------------===//
35
36	#include <stdarg.h>
37
38	#include "interception/interception.h"
39	#include "sanitizer_addrhashmap.h"
40	#include "sanitizer_dl.h"
41	#include "sanitizer_errno.h"
42	#include "sanitizer_placement_new.h"
43	#include "sanitizer_platform_interceptors.h"
44	#include "sanitizer_platform_limits_posix.h"
45	#include "sanitizer_symbolizer.h"
46	#include "sanitizer_tls_get_addr.h"
47
48	#if SANITIZER_INTERCEPTOR_HOOKS
49	#define CALL_WEAK_INTERCEPTOR_HOOK(f, ...) f(__VA_ARGS__);
50	#define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...) \
51	SANITIZER_INTERFACE_WEAK_DEF(void, f, __VA_ARGS__) {}
52	#else
53	#define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...)
54	#define CALL_WEAK_INTERCEPTOR_HOOK(f, ...)
55
56	#endif // SANITIZER_INTERCEPTOR_HOOKS
57
58	#if SANITIZER_WINDOWS && !defined(va_copy)
59	#define va_copy(dst, src) ((dst) = (src))
60	#endif // _WIN32
61
62	#if SANITIZER_FREEBSD
63	#define pthread_setname_np pthread_set_name_np
64	#define inet_aton __inet_aton
65	#define inet_pton __inet_pton
66	#define iconv __bsd_iconv
67	#endif
68
69	#if SANITIZER_NETBSD
70	#define clock_getres __clock_getres50
71	#define clock_gettime __clock_gettime50
72	#define clock_settime __clock_settime50
73	#define ctime __ctime50
74	#define ctime_r __ctime_r50
75	#define devname __devname50
76	#define fgetpos __fgetpos50
77	#define fsetpos __fsetpos50
78	#define fstatvfs __fstatvfs90
79	#define fstatvfs1 __fstatvfs190
80	#define fts_children __fts_children60
81	#define fts_close __fts_close60
82	#define fts_open __fts_open60
83	#define fts_read __fts_read60
84	#define fts_set __fts_set60
85	#define getitimer __getitimer50
86	#define getmntinfo __getmntinfo90
87	#define getpwent __getpwent50
88	#define getpwnam __getpwnam50
89	#define getpwnam_r __getpwnam_r50
90	#define getpwuid __getpwuid50
91	#define getpwuid_r __getpwuid_r50
92	#define getutent __getutent50
93	#define getutxent __getutxent50
94	#define getutxid __getutxid50
95	#define getutxline __getutxline50
96	#define getvfsstat __getvfsstat90
97	#define pututxline __pututxline50
98	#define glob __glob30
99	#define gmtime __gmtime50
100	#define gmtime_r __gmtime_r50
101	#define localtime __locatime50
102	#define localtime_r __localtime_r50
103	#define mktime __mktime50
104	#define lstat __lstat50
105	#define opendir __opendir30
106	#define readdir __readdir30
107	#define readdir_r __readdir_r30
108	#define scandir __scandir30
109	#define setitimer __setitimer50
110	#define setlocale __setlocale50
111	#define shmctl __shmctl50
112	#define sigaltstack __sigaltstack14
113	#define sigemptyset __sigemptyset14
114	#define sigfillset __sigfillset14
115	#define sigpending __sigpending14
116	#define sigprocmask __sigprocmask14
117	#define sigtimedwait __sigtimedwait50
118	#define stat __stat50
119	#define statvfs __statvfs90
120	#define statvfs1 __statvfs190
121	#define time __time50
122	#define times __times13
123	#define unvis __unvis50
124	#define wait3 __wait350
125	#define wait4 __wait450
126	extern const unsigned short *_ctype_tab_;
127	extern const short *_toupper_tab_;
128	extern const short *_tolower_tab_;
129	#endif
130
131	#if SANITIZER_LINUX && SANITIZER_SPARC32
132	// On 32-bit Linux/sparc64, double and long double are identical and glibc
133	// uses a __nldbl_ (no long double) prefix for various stdio functions.
134	# define __isoc23_fscanf __nldbl___isoc23_fscanf
135	# define __isoc23_scanf __nldbl___isoc23_scanf
136	# define __isoc23_sscanf __nldbl___isoc23_sscanf
137	# define __isoc23_vfscanf __nldbl___isoc23_vfscanf
138	# define __isoc23_vscanf __nldbl___isoc23_vscanf
139	# define __isoc23_vsscanf __nldbl___isoc23_vsscanf
140	# define __isoc99_fscanf __nldbl___isoc99_fscanf
141	# define __isoc99_scanf __nldbl___isoc99_scanf
142	# define __isoc99_sscanf __nldbl___isoc99_sscanf
143	# define __isoc99_vfscanf __nldbl___isoc99_vfscanf
144	# define __isoc99_vscanf __nldbl___isoc99_vscanf
145	# define __isoc99_vsscanf __nldbl___isoc99_vsscanf
146	# define asprintf __nldbl_asprintf
147	# define fprintf __nldbl_fprintf
148	# define fscanf __nldbl_fscanf
149	# define printf __nldbl_printf
150	# define scanf __nldbl_scanf
151	# define snprintf __nldbl_snprintf
152	# define sprintf __nldbl_sprintf
153	# define sscanf __nldbl_sscanf
154	# define vasprintf __nldbl_vasprintf
155	# define vfprintf __nldbl_vfprintf
156	# define vfscanf __nldbl_vfscanf
157	# define vprintf __nldbl_vprintf
158	# define vscanf __nldbl_vscanf
159	# define vsnprintf __nldbl_vsnprintf
160	# define vsprintf __nldbl_vsprintf
161	# define vsscanf __nldbl_vsscanf
162	#endif
163
164	#if SANITIZER_MUSL && \
165	(defined(__i386__) || defined(__arm__) || SANITIZER_MIPS32 || SANITIZER_PPC32)
166	// musl 1.2.0 on existing 32-bit architectures uses new symbol names for the
167	// time-related functions that take 64-bit time_t values. See
168	// https://musl.libc.org/time64.html
169	#define adjtime __adjtime64
170	#define adjtimex __adjtimex_time64
171	#define aio_suspend __aio_suspend_time64
172	#define clock_adjtime __clock_adjtime64
173	#define clock_getres __clock_getres_time64
174	#define clock_gettime __clock_gettime64
175	#define clock_nanosleep __clock_nanosleep_time64
176	#define clock_settime __clock_settime64
177	#define cnd_timedwait __cnd_timedwait_time64
178	#define ctime __ctime64
179	#define ctime_r __ctime64_r
180	#define difftime __difftime64
181	#define dlsym __dlsym_time64
182	#define fstatat __fstatat_time64
183	#define fstat __fstat_time64
184	#define ftime __ftime64
185	#define futimens __futimens_time64
186	#define futimesat __futimesat_time64
187	#define futimes __futimes_time64
188	#define getitimer __getitimer_time64
189	#define getrusage __getrusage_time64
190	#define gettimeofday __gettimeofday_time64
191	#define gmtime __gmtime64
192	#define gmtime_r __gmtime64_r
193	#define localtime __localtime64
194	#define localtime_r __localtime64_r
195	#define lstat __lstat_time64
196	#define lutimes __lutimes_time64
197	#define mktime __mktime64
198	#define mq_timedreceive __mq_timedreceive_time64
199	#define mq_timedsend __mq_timedsend_time64
200	#define mtx_timedlock __mtx_timedlock_time64
201	#define nanosleep __nanosleep_time64
202	#define ppoll __ppoll_time64
203	#define pselect __pselect_time64
204	#define pthread_cond_timedwait __pthread_cond_timedwait_time64
205	#define pthread_mutex_timedlock __pthread_mutex_timedlock_time64
206	#define pthread_rwlock_timedrdlock __pthread_rwlock_timedrdlock_time64
207	#define pthread_rwlock_timedwrlock __pthread_rwlock_timedwrlock_time64
208	#define pthread_timedjoin_np __pthread_timedjoin_np_time64
209	#define recvmmsg __recvmmsg_time64
210	#define sched_rr_get_interval __sched_rr_get_interval_time64
211	#define select __select_time64
212	#define semtimedop __semtimedop_time64
213	#define sem_timedwait __sem_timedwait_time64
214	#define setitimer __setitimer_time64
215	#define settimeofday __settimeofday_time64
216	#define sigtimedwait __sigtimedwait_time64
217	#define stat __stat_time64
218	#define stime __stime64
219	#define thrd_sleep __thrd_sleep_time64
220	#define timegm __timegm_time64
221	#define timerfd_gettime __timerfd_gettime64
222	#define timerfd_settime __timerfd_settime64
223	#define timer_gettime __timer_gettime64
224	#define timer_settime __timer_settime64
225	#define timespec_get __timespec_get_time64
226	#define time __time64
227	#define utimensat __utimensat_time64
228	#define utimes __utimes_time64
229	#define utime __utime64
230	#define wait3 __wait3_time64
231	#define wait4 __wait4_time64
232	#endif
233
234	#ifndef COMMON_INTERCEPTOR_INITIALIZE_RANGE
235	#define COMMON_INTERCEPTOR_INITIALIZE_RANGE(p, size) {}
236	#endif
237
238	#ifndef COMMON_INTERCEPTOR_UNPOISON_PARAM
239	#define COMMON_INTERCEPTOR_UNPOISON_PARAM(count) {}
240	#endif
241
242	#ifndef COMMON_INTERCEPTOR_FD_ACCESS
243	#define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) {}
244	#endif
245
246	#ifndef COMMON_INTERCEPTOR_HANDLE_RECVMSG
247	#define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) ((void)(msg))
248	#endif
249
250	#ifndef COMMON_INTERCEPTOR_FILE_OPEN
251	#define COMMON_INTERCEPTOR_FILE_OPEN(ctx, file, path) {}
252	#endif
253
254	#ifndef COMMON_INTERCEPTOR_FILE_CLOSE
255	#define COMMON_INTERCEPTOR_FILE_CLOSE(ctx, file) {}
256	#endif
257
258	#ifndef COMMON_INTERCEPTOR_LIBRARY_LOADED
259	#define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, handle) {}
260	#endif
261
262	#ifndef COMMON_INTERCEPTOR_LIBRARY_UNLOADED
263	#define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() {}
264	#endif
265
266	#ifndef COMMON_INTERCEPTOR_ENTER_NOIGNORE
267	#define COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, ...) \
268	COMMON_INTERCEPTOR_ENTER(ctx, __VA_ARGS__)
269	#endif
270
271	#ifndef COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED
272	#define COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED (0)
273	#endif
274
275	#define COMMON_INTERCEPTOR_READ_STRING(ctx, s, n) \
276	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s), \
277	common_flags()->strict_string_checks ? (internal_strlen(s)) + 1 : (n) )
278
279	#ifndef COMMON_INTERCEPTOR_DLOPEN
280	#define COMMON_INTERCEPTOR_DLOPEN(filename, flag) \
281	({ CheckNoDeepBind(filename, flag); REAL(dlopen)(filename, flag); })
282	#endif
283
284	#ifndef COMMON_INTERCEPTOR_GET_TLS_RANGE
285	#define COMMON_INTERCEPTOR_GET_TLS_RANGE(begin, end) *begin = *end = 0;
286	#endif
287
288	#ifndef COMMON_INTERCEPTOR_ACQUIRE
289	#define COMMON_INTERCEPTOR_ACQUIRE(ctx, u) {}
290	#endif
291
292	#ifndef COMMON_INTERCEPTOR_RELEASE
293	#define COMMON_INTERCEPTOR_RELEASE(ctx, u) {}
294	#endif
295
296	#ifndef COMMON_INTERCEPTOR_USER_CALLBACK_START
297	#define COMMON_INTERCEPTOR_USER_CALLBACK_START() {}
298	#endif
299
300	#ifndef COMMON_INTERCEPTOR_USER_CALLBACK_END
301	#define COMMON_INTERCEPTOR_USER_CALLBACK_END() {}
302	#endif
303
304	#ifdef SANITIZER_NLDBL_VERSION
305	#define COMMON_INTERCEPT_FUNCTION_LDBL(fn) \
306	COMMON_INTERCEPT_FUNCTION_VER(fn, SANITIZER_NLDBL_VERSION)
307	#else
308	#define COMMON_INTERCEPT_FUNCTION_LDBL(fn) \
309	COMMON_INTERCEPT_FUNCTION(fn)
310	#endif
311
312	#if SANITIZER_GLIBC
313	// If we could not find the versioned symbol, fall back to an unversioned
314	// lookup. This is needed to work around a GLibc bug that causes dlsym
315	// with RTLD_NEXT to return the oldest versioned symbol.
316	// See https://sourceware.org/bugzilla/show_bug.cgi?id=14932.
317	// For certain symbols (e.g. regexec) we have to perform a versioned lookup,
318	// but that versioned symbol will only exist for architectures where the
319	// oldest Glibc version pre-dates support for that architecture.
320	// For example, regexec@GLIBC_2.3.4 exists on x86_64, but not RISC-V.
321	// See also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98920.
322	#define COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(fn, ver) \
323	COMMON_INTERCEPT_FUNCTION_VER_UNVERSIONED_FALLBACK(fn, ver)
324	#else
325	#define COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(fn, ver) \
326	COMMON_INTERCEPT_FUNCTION(fn)
327	#endif
328
329	#ifndef COMMON_INTERCEPTOR_MMAP_IMPL
330	#define COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap, addr, sz, prot, flags, fd, \
331	off) \
332	{ return REAL(mmap)(addr, sz, prot, flags, fd, off); }
333	#endif
334
335	#ifndef COMMON_INTERCEPTOR_MUNMAP_IMPL
336	#define COMMON_INTERCEPTOR_MUNMAP_IMPL(ctx, addr, sz) \
337	{ return REAL(munmap)(addr, sz); }
338	#endif
339
340	#ifndef COMMON_INTERCEPTOR_COPY_STRING
341	#define COMMON_INTERCEPTOR_COPY_STRING(ctx, to, from, size) {}
342	#endif
343
344	#ifndef COMMON_INTERCEPTOR_STRNDUP_IMPL
345	#define COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size) \
346	COMMON_INTERCEPTOR_ENTER(ctx, strndup, s, size); \
347	uptr copy_length = internal_strnlen(s, size); \
348	char *new_mem = (char *)WRAP(malloc)(copy_length + 1); \
349	if (common_flags()->intercept_strndup) { \
350	COMMON_INTERCEPTOR_READ_STRING(ctx, s, Min<uptr>(size, copy_length + 1)); \
351	} \
352	if (new_mem) { \
353	COMMON_INTERCEPTOR_COPY_STRING(ctx, new_mem, s, copy_length); \
354	internal_memcpy(new_mem, s, copy_length); \
355	new_mem[copy_length] = '\0'; \
356	} \
357	return new_mem;
358	#endif
359
360	#ifndef COMMON_INTERCEPTOR_STRERROR
361	#define COMMON_INTERCEPTOR_STRERROR() {}
362	#endif
363
364	struct FileMetadata {
365	// For open_memstream().
366	char **addr;
367	SIZE_T *size;
368	};
369
370	struct CommonInterceptorMetadata {
371	enum {
372	CIMT_INVALID = 0,
373	CIMT_FILE
374	} type;
375	union {
376	FileMetadata file;
377	};
378	};
379
380	#if SI_POSIX
381	typedef AddrHashMap<CommonInterceptorMetadata, 31051> MetadataHashMap;
382
383	static MetadataHashMap *interceptor_metadata_map;
384
385	UNUSED static void SetInterceptorMetadata(__sanitizer_FILE *addr,
386	const FileMetadata &file) {
387	MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr);
388	CHECK(h.created());
389	h->type = CommonInterceptorMetadata::CIMT_FILE;
390	h->file = file;
391	}
392
393	UNUSED static const FileMetadata *GetInterceptorMetadata(
394	__sanitizer_FILE *addr) {
395	MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr,
396	/* remove */ false,
397	/* create */ false);
398	if (addr && h.exists()) {
399	CHECK(!h.created());
400	CHECK(h->type == CommonInterceptorMetadata::CIMT_FILE);
401	return &h->file;
402	} else {
403	return 0;
404	}
405	}
406
407	UNUSED static void DeleteInterceptorMetadata(void *addr) {
408	MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr, true);
409	CHECK(h.exists());
410	}
411	#endif // SI_POSIX
412
413	#if SANITIZER_INTERCEPT_STRLEN
414	INTERCEPTOR(SIZE_T, strlen, const char *s) {
415	// Sometimes strlen is called prior to InitializeCommonInterceptors,
416	// in which case the REAL(strlen) typically used in
417	// COMMON_INTERCEPTOR_ENTER will fail. We use internal_strlen here
418	// to handle that.
419	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
420	return internal_strlen(s);
421	void *ctx;
422	COMMON_INTERCEPTOR_ENTER(ctx, strlen, s);
423	SIZE_T result = REAL(strlen)(s);
424	if (common_flags()->intercept_strlen)
425	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, result + 1);
426	return result;
427	}
428	#define INIT_STRLEN COMMON_INTERCEPT_FUNCTION(strlen)
429	#else
430	#define INIT_STRLEN
431	#endif
432
433	#if SANITIZER_INTERCEPT_STRNLEN
434	INTERCEPTOR(SIZE_T, strnlen, const char *s, SIZE_T maxlen) {
435	void *ctx;
436	COMMON_INTERCEPTOR_ENTER(ctx, strnlen, s, maxlen);
437	SIZE_T length = REAL(strnlen)(s, maxlen);
438	if (common_flags()->intercept_strlen)
439	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, Min(length + 1, maxlen));
440	return length;
441	}
442	#define INIT_STRNLEN COMMON_INTERCEPT_FUNCTION(strnlen)
443	#else
444	#define INIT_STRNLEN
445	#endif
446
447	#if SANITIZER_INTERCEPT_STRNDUP
448	INTERCEPTOR(char*, strndup, const char *s, usize size) {
449	void *ctx;
450	COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size);
451	}
452	#define INIT_STRNDUP COMMON_INTERCEPT_FUNCTION(strndup)
453	#else
454	#define INIT_STRNDUP
455	#endif // SANITIZER_INTERCEPT_STRNDUP
456
457	#if SANITIZER_INTERCEPT___STRNDUP
458	INTERCEPTOR(char*, __strndup, const char *s, usize size) {
459	void *ctx;
460	COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size);
461	}
462	#define INIT___STRNDUP COMMON_INTERCEPT_FUNCTION(__strndup)
463	#else
464	#define INIT___STRNDUP
465	#endif // SANITIZER_INTERCEPT___STRNDUP
466
467	#if SANITIZER_INTERCEPT_TEXTDOMAIN
468	INTERCEPTOR(char*, textdomain, const char *domainname) {
469	void *ctx;
470	COMMON_INTERCEPTOR_ENTER(ctx, textdomain, domainname);
471	if (domainname) COMMON_INTERCEPTOR_READ_STRING(ctx, domainname, 0);
472	char *domain = REAL(textdomain)(domainname);
473	if (domain) {
474	COMMON_INTERCEPTOR_INITIALIZE_RANGE(domain, internal_strlen(domain) + 1);
475	}
476	return domain;
477	}
478	#define INIT_TEXTDOMAIN COMMON_INTERCEPT_FUNCTION(textdomain)
479	#else
480	#define INIT_TEXTDOMAIN
481	#endif
482
483	#if SANITIZER_INTERCEPT_STRCMP || SANITIZER_INTERCEPT_MEMCMP
484	static inline int CharCmpX(unsigned char c1, unsigned char c2) {
485	return (c1 == c2) ? 0 : (c1 < c2) ? -1 : 1;
486	}
487	#endif
488
489	#if SANITIZER_INTERCEPT_STRCMP
490	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, uptr called_pc,
491	const char *s1, const char *s2, int result)
492
493	INTERCEPTOR(int, strcmp, const char *s1, const char *s2) {
494	void *ctx;
495	COMMON_INTERCEPTOR_ENTER(ctx, strcmp, s1, s2);
496	unsigned char c1, c2;
497	uptr i;
498	for (i = 0;; i++) {
499	c1 = (unsigned char)s1[i];
500	c2 = (unsigned char)s2[i];
501	if (c1 != c2 || c1 == '\0') break;
502	}
503	if (common_flags()->intercept_strcmp) {
504	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1);
505	COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1);
506	}
507	int result = CharCmpX(c1, c2);
508	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, GET_CALLER_PC(), s1,
509	s2, result);
510	return result;
511	}
512
513	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, uptr called_pc,
514	const char *s1, const char *s2, usize n,
515	int result)
516
517	INTERCEPTOR(int, strncmp, const char *s1, const char *s2, usize size) {
518	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
519	return internal_strncmp(s1, s2, size);
520	void *ctx;
521	COMMON_INTERCEPTOR_ENTER(ctx, strncmp, s1, s2, size);
522	unsigned char c1 = 0, c2 = 0;
523	usize i;
524	for (i = 0; i < size; i++) {
525	c1 = (unsigned char)s1[i];
526	c2 = (unsigned char)s2[i];
527	if (c1 != c2 || c1 == '\0') break;
528	}
529	usize i1 = i;
530	usize i2 = i;
531	if (common_flags()->strict_string_checks) {
532	for (; i1 < size && s1[i1]; i1++) {}
533	for (; i2 < size && s2[i2]; i2++) {}
534	}
535	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s1), Min(i1 + 1, size));
536	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s2), Min(i2 + 1, size));
537	int result = CharCmpX(c1, c2);
538	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, GET_CALLER_PC(), s1,
539	s2, size, result);
540	return result;
541	}
542
543	#define INIT_STRCMP COMMON_INTERCEPT_FUNCTION(strcmp)
544	#define INIT_STRNCMP COMMON_INTERCEPT_FUNCTION(strncmp)
545	#else
546	#define INIT_STRCMP
547	#define INIT_STRNCMP
548	#endif
549
550	#if SANITIZER_INTERCEPT_STRCASECMP
551	static inline int CharCaseCmp(unsigned char c1, unsigned char c2) {
552	int c1_low = ToLower(c1);
553	int c2_low = ToLower(c2);
554	return c1_low - c2_low;
555	}
556
557	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasecmp, uptr called_pc,
558	const char *s1, const char *s2, int result)
559
560	INTERCEPTOR(int, strcasecmp, const char *s1, const char *s2) {
561	void *ctx;
562	COMMON_INTERCEPTOR_ENTER(ctx, strcasecmp, s1, s2);
563	unsigned char c1 = 0, c2 = 0;
564	uptr i;
565	for (i = 0;; i++) {
566	c1 = (unsigned char)s1[i];
567	c2 = (unsigned char)s2[i];
568	if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break;
569	}
570	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1);
571	COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1);
572	int result = CharCaseCmp(c1, c2);
573	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasecmp, GET_CALLER_PC(),
574	s1, s2, result);
575	return result;
576	}
577
578	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncasecmp, uptr called_pc,
579	const char *s1, const char *s2, usize size,
580	int result)
581
582	INTERCEPTOR(int, strncasecmp, const char *s1, const char *s2, SIZE_T size) {
583	void *ctx;
584	COMMON_INTERCEPTOR_ENTER(ctx, strncasecmp, s1, s2, size);
585	unsigned char c1 = 0, c2 = 0;
586	usize i;
587	for (i = 0; i < size; i++) {
588	c1 = (unsigned char)s1[i];
589	c2 = (unsigned char)s2[i];
590	if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break;
591	}
592	usize i1 = i;
593	usize i2 = i;
594	if (common_flags()->strict_string_checks) {
595	for (; i1 < size && s1[i1]; i1++) {}
596	for (; i2 < size && s2[i2]; i2++) {}
597	}
598	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s1), Min(i1 + 1, size));
599	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s2), Min(i2 + 1, size));
600	int result = CharCaseCmp(c1, c2);
601	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncasecmp, GET_CALLER_PC(),
602	s1, s2, size, result);
603	return result;
604	}
605
606	#define INIT_STRCASECMP COMMON_INTERCEPT_FUNCTION(strcasecmp)
607	#define INIT_STRNCASECMP COMMON_INTERCEPT_FUNCTION(strncasecmp)
608	#else
609	#define INIT_STRCASECMP
610	#define INIT_STRNCASECMP
611	#endif
612
613	#if SANITIZER_INTERCEPT_STRSTR || SANITIZER_INTERCEPT_STRCASESTR
614	static inline void StrstrCheck(void *ctx, char *r, const char *s1,
615	const char *s2) {
616	uptr len1 = internal_strlen(s1);
617	uptr len2 = internal_strlen(s2);
618	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r ? r - s1 + len2 : len1 + 1);
619	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2 + 1);
620	}
621	#endif
622
623	#if SANITIZER_INTERCEPT_STRSTR
624
625	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strstr, uptr called_pc,
626	const char *s1, const char *s2, char *result)
627
628	INTERCEPTOR(char*, strstr, const char *s1, const char *s2) {
629	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
630	return internal_strstr(s1, s2);
631	void *ctx;
632	COMMON_INTERCEPTOR_ENTER(ctx, strstr, s1, s2);
633	char *r = REAL(strstr)(s1, s2);
634	if (common_flags()->intercept_strstr)
635	StrstrCheck(ctx, r, s1, s2);
636	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strstr, GET_CALLER_PC(), s1,
637	s2, r);
638	return r;
639	}
640
641	#define INIT_STRSTR COMMON_INTERCEPT_FUNCTION(strstr);
642	#else
643	#define INIT_STRSTR
644	#endif
645
646	#if SANITIZER_INTERCEPT_STRCASESTR
647
648	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasestr, uptr called_pc,
649	const char *s1, const char *s2, char *result)
650
651	INTERCEPTOR(char*, strcasestr, const char *s1, const char *s2) {
652	void *ctx;
653	COMMON_INTERCEPTOR_ENTER(ctx, strcasestr, s1, s2);
654	char *r = REAL(strcasestr)(s1, s2);
655	if (common_flags()->intercept_strstr)
656	StrstrCheck(ctx, r, s1, s2);
657	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasestr, GET_CALLER_PC(),
658	s1, s2, r);
659	return r;
660	}
661
662	#define INIT_STRCASESTR COMMON_INTERCEPT_FUNCTION(strcasestr);
663	#else
664	#define INIT_STRCASESTR
665	#endif
666
667	#if SANITIZER_INTERCEPT_STRTOK
668
669	INTERCEPTOR(char*, strtok, char *str, const char *delimiters) {
670	void *ctx;
671	COMMON_INTERCEPTOR_ENTER(ctx, strtok, str, delimiters);
672	if (!common_flags()->intercept_strtok) {
673	return REAL(strtok)(str, delimiters);
674	}
675	if (common_flags()->strict_string_checks) {
676	// If strict_string_checks is enabled, we check the whole first argument
677	// string on the first call (strtok saves this string in a static buffer
678	// for subsequent calls). We do not need to check strtok's result.
679	// As the delimiters can change, we check them every call.
680	if (str != nullptr) {
681	COMMON_INTERCEPTOR_READ_RANGE(ctx, str, internal_strlen(str) + 1);
682	}
683	COMMON_INTERCEPTOR_READ_RANGE(ctx, delimiters,
684	internal_strlen(delimiters) + 1);
685	return REAL(strtok)(str, delimiters);
686	} else {
687	// However, when strict_string_checks is disabled we cannot check the
688	// whole string on the first call. Instead, we check the result string
689	// which is guaranteed to be a NULL-terminated substring of the first
690	// argument. We also conservatively check one character of str and the
691	// delimiters.
692	if (str != nullptr) {
693	COMMON_INTERCEPTOR_READ_STRING(ctx, str, 1);
694	}
695	COMMON_INTERCEPTOR_READ_RANGE(ctx, delimiters, 1);
696	char *result = REAL(strtok)(str, delimiters);
697	if (result != nullptr) {
698	COMMON_INTERCEPTOR_READ_RANGE(ctx, result, internal_strlen(result) + 1);
699	} else if (str != nullptr) {
700	// No delimiter were found, it's safe to assume that the entire str was
701	// scanned.
702	COMMON_INTERCEPTOR_READ_RANGE(ctx, str, internal_strlen(str) + 1);
703	}
704	return result;
705	}
706	}
707
708	#define INIT_STRTOK COMMON_INTERCEPT_FUNCTION(strtok)
709	#else
710	#define INIT_STRTOK
711	#endif
712
713	#if SANITIZER_INTERCEPT_MEMMEM
714	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memmem, uptr called_pc,
715	const void *s1, SIZE_T len1, const void *s2,
716	SIZE_T len2, void *result)
717
718	INTERCEPTOR(void*, memmem, const void *s1, SIZE_T len1, const void *s2,
719	SIZE_T len2) {
720	void *ctx;
721	COMMON_INTERCEPTOR_ENTER(ctx, memmem, s1, len1, s2, len2);
722	void *r = REAL(memmem)(s1, len1, s2, len2);
723	if (common_flags()->intercept_memmem) {
724	COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, len1);
725	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2);
726	}
727	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memmem, GET_CALLER_PC(),
728	s1, len1, s2, len2, r);
729	return r;
730	}
731
732	#define INIT_MEMMEM COMMON_INTERCEPT_FUNCTION(memmem);
733	#else
734	#define INIT_MEMMEM
735	#endif // SANITIZER_INTERCEPT_MEMMEM
736
737	#if SANITIZER_INTERCEPT_STRCHR
738	INTERCEPTOR(char*, strchr, const char *s, int c) {
739	void *ctx;
740	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
741	return internal_strchr(s, c);
742	COMMON_INTERCEPTOR_ENTER(ctx, strchr, s, c);
743	char *result = REAL(strchr)(s, c);
744	if (common_flags()->intercept_strchr) {
745	// Keep strlen as macro argument, as macro may ignore it.
746	COMMON_INTERCEPTOR_READ_STRING(ctx, s,
747	(result ? result - s : internal_strlen(s)) + 1);
748	}
749	return result;
750	}
751	#define INIT_STRCHR COMMON_INTERCEPT_FUNCTION(strchr)
752	#else
753	#define INIT_STRCHR
754	#endif
755
756	#if SANITIZER_INTERCEPT_STRCHRNUL
757	INTERCEPTOR(char*, strchrnul, const char *s, int c) {
758	void *ctx;
759	COMMON_INTERCEPTOR_ENTER(ctx, strchrnul, s, c);
760	char *result = REAL(strchrnul)(s, c);
761	uptr len = result - s + 1;
762	if (common_flags()->intercept_strchr)
763	COMMON_INTERCEPTOR_READ_STRING(ctx, s, len);
764	return result;
765	}
766	#define INIT_STRCHRNUL COMMON_INTERCEPT_FUNCTION(strchrnul)
767	#else
768	#define INIT_STRCHRNUL
769	#endif
770
771	#if SANITIZER_INTERCEPT_STRRCHR
772	INTERCEPTOR(char*, strrchr, const char *s, int c) {
773	void *ctx;
774	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
775	return internal_strrchr(s, c);
776	COMMON_INTERCEPTOR_ENTER(ctx, strrchr, s, c);
777	if (common_flags()->intercept_strchr)
778	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
779	return REAL(strrchr)(s, c);
780	}
781	#define INIT_STRRCHR COMMON_INTERCEPT_FUNCTION(strrchr)
782	#else
783	#define INIT_STRRCHR
784	#endif
785
786	#if SANITIZER_INTERCEPT_STRSPN
787	INTERCEPTOR(SIZE_T, strspn, const char *s1, const char *s2) {
788	void *ctx;
789	COMMON_INTERCEPTOR_ENTER(ctx, strspn, s1, s2);
790	SIZE_T r = REAL(strspn)(s1, s2);
791	if (common_flags()->intercept_strspn) {
792	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, internal_strlen(s2) + 1);
793	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1);
794	}
795	return r;
796	}
797
798	INTERCEPTOR(SIZE_T, strcspn, const char *s1, const char *s2) {
799	void *ctx;
800	COMMON_INTERCEPTOR_ENTER(ctx, strcspn, s1, s2);
801	SIZE_T r = REAL(strcspn)(s1, s2);
802	if (common_flags()->intercept_strspn) {
803	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, internal_strlen(s2) + 1);
804	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1);
805	}
806	return r;
807	}
808
809	#define INIT_STRSPN \
810	COMMON_INTERCEPT_FUNCTION(strspn); \
811	COMMON_INTERCEPT_FUNCTION(strcspn);
812	#else
813	#define INIT_STRSPN
814	#endif
815
816	#if SANITIZER_INTERCEPT_STRPBRK
817	INTERCEPTOR(char *, strpbrk, const char *s1, const char *s2) {
818	void *ctx;
819	COMMON_INTERCEPTOR_ENTER(ctx, strpbrk, s1, s2);
820	char *r = REAL(strpbrk)(s1, s2);
821	if (common_flags()->intercept_strpbrk) {
822	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, internal_strlen(s2) + 1);
823	COMMON_INTERCEPTOR_READ_STRING(ctx, s1,
824	r ? r - s1 + 1 : internal_strlen(s1) + 1);
825	}
826	return r;
827	}
828
829	#define INIT_STRPBRK COMMON_INTERCEPT_FUNCTION(strpbrk);
830	#else
831	#define INIT_STRPBRK
832	#endif
833
834	#if SANITIZER_INTERCEPT_MEMCMP
835	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, uptr called_pc,
836	const void *s1, const void *s2, usize n,
837	int result)
838
839	// Common code for `memcmp` and `bcmp`.
840	int MemcmpInterceptorCommon(void *ctx,
841	int (*real_fn)(const void *, const void *, usize),
842	const void *a1, const void *a2, usize size) {
843	if (common_flags()->intercept_memcmp) {
844	if (common_flags()->strict_memcmp) {
845	// Check the entire regions even if the first bytes of the buffers are
846	// different.
847	COMMON_INTERCEPTOR_READ_RANGE(ctx, a1, size);
848	COMMON_INTERCEPTOR_READ_RANGE(ctx, a2, size);
849	// Fallthrough to REAL(memcmp) below.
850	} else {
851	unsigned char c1 = 0, c2 = 0;
852	const unsigned char *s1 = (const unsigned char*)a1;
853	const unsigned char *s2 = (const unsigned char*)a2;
854	usize i;
855	for (i = 0; i < size; i++) {
856	c1 = s1[i];
857	c2 = s2[i];
858	if (c1 != c2) break;
859	}
860	COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, size));
861	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, size));
862	int r = CharCmpX(c1, c2);
863	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(),
864	a1, a2, size, r);
865	return r;
866	}
867	}
868	int result = real_fn(a1, a2, size);
869	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(), a1,
870	a2, size, result);
871	return result;
872	}
873
874	INTERCEPTOR(int, memcmp, const void *a1, const void *a2, usize size) {
875	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
876	return internal_memcmp(s1: a1, s2: a2, n: size);
877	void *ctx;
878	COMMON_INTERCEPTOR_ENTER(ctx, memcmp, a1, a2, size);
879	return MemcmpInterceptorCommon(ctx, REAL(memcmp), a1, a2, size);
880	}
881
882	#define INIT_MEMCMP COMMON_INTERCEPT_FUNCTION(memcmp)
883	#else
884	#define INIT_MEMCMP
885	#endif
886
887	#if SANITIZER_INTERCEPT_BCMP
888	INTERCEPTOR(int, bcmp, const void *a1, const void *a2, usize size) {
889	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
890	return internal_memcmp(s1: a1, s2: a2, n: size);
891	void *ctx;
892	COMMON_INTERCEPTOR_ENTER(ctx, bcmp, a1, a2, size);
893	return MemcmpInterceptorCommon(ctx, REAL(bcmp), a1, a2, size);
894	}
895
896	#define INIT_BCMP COMMON_INTERCEPT_FUNCTION(bcmp)
897	#else
898	#define INIT_BCMP
899	#endif
900
901	#if SANITIZER_INTERCEPT_MEMCHR
902	INTERCEPTOR(void*, memchr, const void *s, int c, SIZE_T n) {
903	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
904	return internal_memchr(s, c, n);
905	void *ctx;
906	COMMON_INTERCEPTOR_ENTER(ctx, memchr, s, c, n);
907	#if SANITIZER_WINDOWS
908	void *res;
909	if (REAL(memchr)) {
910	res = REAL(memchr)(s, c, n);
911	} else {
912	res = internal_memchr(s, c, n);
913	}
914	#else
915	void *res = REAL(memchr)(s, c, n);
916	#endif
917	uptr len = res ? (char *)res - (const char *)s + 1 : n;
918	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, len);
919	return res;
920	}
921
922	#define INIT_MEMCHR COMMON_INTERCEPT_FUNCTION(memchr)
923	#else
924	#define INIT_MEMCHR
925	#endif
926
927	#if SANITIZER_INTERCEPT_MEMRCHR
928	INTERCEPTOR(void*, memrchr, const void *s, int c, SIZE_T n) {
929	void *ctx;
930	COMMON_INTERCEPTOR_ENTER(ctx, memrchr, s, c, n);
931	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, n);
932	return REAL(memrchr)(s, c, n);
933	}
934
935	#define INIT_MEMRCHR COMMON_INTERCEPT_FUNCTION(memrchr)
936	#else
937	#define INIT_MEMRCHR
938	#endif
939
940	#if SANITIZER_INTERCEPT_FREXP
941	INTERCEPTOR(double, frexp, double x, int *exp) {
942	void *ctx;
943	COMMON_INTERCEPTOR_ENTER(ctx, frexp, x, exp);
944	// Assuming frexp() always writes to |exp|.
945	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
946	double res = REAL(frexp)(x, exp);
947	COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp));
948	return res;
949	}
950
951	#define INIT_FREXP COMMON_INTERCEPT_FUNCTION(frexp);
952	#else
953	#define INIT_FREXP
954	#endif // SANITIZER_INTERCEPT_FREXP
955
956	#if SANITIZER_INTERCEPT_FREXPF
957	INTERCEPTOR(float, frexpf, float x, int *exp) {
958	void *ctx;
959	COMMON_INTERCEPTOR_ENTER(ctx, frexpf, x, exp);
960	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
961	float res = REAL(frexpf)(x, exp);
962	COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp));
963	return res;
964	}
965
966	# define INIT_FREXPF COMMON_INTERCEPT_FUNCTION(frexpf);
967	#else
968	# define INIT_FREXPF
969	#endif
970
971	#if SANITIZER_INTERCEPT_FREXPL
972	INTERCEPTOR(long double, frexpl, long double x, int *exp) {
973	void *ctx;
974	COMMON_INTERCEPTOR_ENTER(ctx, frexpl, x, exp);
975	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
976	long double res = REAL(frexpl)(x, exp);
977	COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp));
978	return res;
979	}
980
981	# define INIT_FREXPL COMMON_INTERCEPT_FUNCTION_LDBL(frexpl)
982	#else
983	# define INIT_FREXPL
984	#endif
985
986	#if SI_POSIX
987	static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec,
988	SIZE_T iovlen, SIZE_T maxlen) {
989	for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
990	SSIZE_T sz = Min(a: iovec[i].iov_len, b: maxlen);
991	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec[i].iov_base, sz);
992	maxlen -= sz;
993	}
994	}
995
996	static void read_iovec(void *ctx, struct __sanitizer_iovec *iovec,
997	SIZE_T iovlen, SIZE_T maxlen) {
998	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec) * iovlen);
999	for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
1000	SSIZE_T sz = Min(a: iovec[i].iov_len, b: maxlen);
1001	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec[i].iov_base, sz);
1002	maxlen -= sz;
1003	}
1004	}
1005	#endif
1006
1007	#if SANITIZER_INTERCEPT_READ
1008	INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) {
1009	void *ctx;
1010	COMMON_INTERCEPTOR_ENTER(ctx, read, fd, ptr, count);
1011	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1012	// FIXME: under ASan the call below may write to freed memory and corrupt
1013	// its metadata. See
1014	// https://github.com/google/sanitizers/issues/321.
1015	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(read)(fd, ptr, count);
1016	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
1017	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1018	return res;
1019	}
1020	#define INIT_READ COMMON_INTERCEPT_FUNCTION(read)
1021	#else
1022	#define INIT_READ
1023	#endif
1024
1025	#if SANITIZER_INTERCEPT_FREAD
1026	INTERCEPTOR(SIZE_T, fread, void *ptr, SIZE_T size, SIZE_T nmemb, void *file) {
1027	// libc file streams can call user-supplied functions, see fopencookie.
1028	void *ctx;
1029	COMMON_INTERCEPTOR_ENTER(ctx, fread, ptr, size, nmemb, file);
1030	// FIXME: under ASan the call below may write to freed memory and corrupt
1031	// its metadata. See
1032	// https://github.com/google/sanitizers/issues/321.
1033	SIZE_T res = REAL(fread)(ptr, size, nmemb, file);
1034	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res * size);
1035	return res;
1036	}
1037	#define INIT_FREAD COMMON_INTERCEPT_FUNCTION(fread)
1038	#else
1039	#define INIT_FREAD
1040	#endif
1041
1042	#if SANITIZER_INTERCEPT_PREAD
1043	INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) {
1044	void *ctx;
1045	COMMON_INTERCEPTOR_ENTER(ctx, pread, fd, ptr, count, offset);
1046	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1047	// FIXME: under ASan the call below may write to freed memory and corrupt
1048	// its metadata. See
1049	// https://github.com/google/sanitizers/issues/321.
1050	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pread)(fd, ptr, count, offset);
1051	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
1052	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1053	return res;
1054	}
1055	#define INIT_PREAD COMMON_INTERCEPT_FUNCTION(pread)
1056	#else
1057	#define INIT_PREAD
1058	#endif
1059
1060	#if SANITIZER_INTERCEPT_PREAD64
1061	INTERCEPTOR(SSIZE_T, pread64, int fd, void *ptr, SIZE_T count, OFF64_T offset) {
1062	void *ctx;
1063	COMMON_INTERCEPTOR_ENTER(ctx, pread64, fd, ptr, count, offset);
1064	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1065	// FIXME: under ASan the call below may write to freed memory and corrupt
1066	// its metadata. See
1067	// https://github.com/google/sanitizers/issues/321.
1068	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pread64)(fd, ptr, count, offset);
1069	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
1070	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1071	return res;
1072	}
1073	#define INIT_PREAD64 COMMON_INTERCEPT_FUNCTION(pread64)
1074	#else
1075	#define INIT_PREAD64
1076	#endif
1077
1078	#if SANITIZER_INTERCEPT_READV
1079	INTERCEPTOR_WITH_SUFFIX(SSIZE_T, readv, int fd, __sanitizer_iovec *iov,
1080	int iovcnt) {
1081	void *ctx;
1082	COMMON_INTERCEPTOR_ENTER(ctx, readv, fd, iov, iovcnt);
1083	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1084	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(readv)(fd, iov, iovcnt);
1085	if (res > 0) write_iovec(ctx, iov, iovcnt, res);
1086	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1087	return res;
1088	}
1089	#define INIT_READV COMMON_INTERCEPT_FUNCTION(readv)
1090	#else
1091	#define INIT_READV
1092	#endif
1093
1094	#if SANITIZER_INTERCEPT_PREADV
1095	INTERCEPTOR(SSIZE_T, preadv, int fd, __sanitizer_iovec *iov, int iovcnt,
1096	OFF_T offset) {
1097	void *ctx;
1098	COMMON_INTERCEPTOR_ENTER(ctx, preadv, fd, iov, iovcnt, offset);
1099	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1100	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(preadv)(fd, iov, iovcnt, offset);
1101	if (res > 0) write_iovec(ctx, iov, iovcnt, res);
1102	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1103	return res;
1104	}
1105	#define INIT_PREADV COMMON_INTERCEPT_FUNCTION(preadv)
1106	#else
1107	#define INIT_PREADV
1108	#endif
1109
1110	#if SANITIZER_INTERCEPT_PREADV64
1111	INTERCEPTOR(SSIZE_T, preadv64, int fd, __sanitizer_iovec *iov, int iovcnt,
1112	OFF64_T offset) {
1113	void *ctx;
1114	COMMON_INTERCEPTOR_ENTER(ctx, preadv64, fd, iov, iovcnt, offset);
1115	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1116	SSIZE_T res =
1117	COMMON_INTERCEPTOR_BLOCK_REAL(preadv64)(fd, iov, iovcnt, offset);
1118	if (res > 0) write_iovec(ctx, iov, iovcnt, res);
1119	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1120	return res;
1121	}
1122	#define INIT_PREADV64 COMMON_INTERCEPT_FUNCTION(preadv64)
1123	#else
1124	#define INIT_PREADV64
1125	#endif
1126
1127	#if SANITIZER_INTERCEPT_WRITE
1128	INTERCEPTOR(SSIZE_T, write, int fd, void *ptr, SIZE_T count) {
1129	void *ctx;
1130	COMMON_INTERCEPTOR_ENTER(ctx, write, fd, ptr, count);
1131	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1132	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1133	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(write)(fd, ptr, count);
1134	// FIXME: this check should be _before_ the call to
1135	// COMMON_INTERCEPTOR_BLOCK_REAL(write), not after
1136	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
1137	return res;
1138	}
1139	#define INIT_WRITE COMMON_INTERCEPT_FUNCTION(write)
1140	#else
1141	#define INIT_WRITE
1142	#endif
1143
1144	#if SANITIZER_INTERCEPT_FWRITE
1145	INTERCEPTOR(SIZE_T, fwrite, const void *p, usize size, usize nmemb, void *file) {
1146	// libc file streams can call user-supplied functions, see fopencookie.
1147	void *ctx;
1148	COMMON_INTERCEPTOR_ENTER(ctx, fwrite, p, size, nmemb, file);
1149	SIZE_T res = REAL(fwrite)(p, size, nmemb, file);
1150	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, p, res * size);
1151	return res;
1152	}
1153	#define INIT_FWRITE COMMON_INTERCEPT_FUNCTION(fwrite)
1154	#else
1155	#define INIT_FWRITE
1156	#endif
1157
1158	#if SANITIZER_INTERCEPT_PWRITE
1159	INTERCEPTOR(SSIZE_T, pwrite, int fd, void *ptr, SIZE_T count, OFF_T offset) {
1160	void *ctx;
1161	COMMON_INTERCEPTOR_ENTER(ctx, pwrite, fd, ptr, count, offset);
1162	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1163	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1164	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pwrite)(fd, ptr, count, offset);
1165	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
1166	return res;
1167	}
1168	#define INIT_PWRITE COMMON_INTERCEPT_FUNCTION(pwrite)
1169	#else
1170	#define INIT_PWRITE
1171	#endif
1172
1173	#if SANITIZER_INTERCEPT_PWRITE64
1174	INTERCEPTOR(SSIZE_T, pwrite64, int fd, void *ptr, OFF64_T count,
1175	OFF64_T offset) {
1176	void *ctx;
1177	COMMON_INTERCEPTOR_ENTER(ctx, pwrite64, fd, ptr, count, offset);
1178	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1179	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1180	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pwrite64)(fd, ptr, count, offset);
1181	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
1182	return res;
1183	}
1184	#define INIT_PWRITE64 COMMON_INTERCEPT_FUNCTION(pwrite64)
1185	#else
1186	#define INIT_PWRITE64
1187	#endif
1188
1189	#if SANITIZER_INTERCEPT_WRITEV
1190	INTERCEPTOR_WITH_SUFFIX(SSIZE_T, writev, int fd, __sanitizer_iovec *iov,
1191	int iovcnt) {
1192	void *ctx;
1193	COMMON_INTERCEPTOR_ENTER(ctx, writev, fd, iov, iovcnt);
1194	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1195	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1196	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(writev)(fd, iov, iovcnt);
1197	if (res > 0) read_iovec(ctx, iov, iovcnt, res);
1198	return res;
1199	}
1200	#define INIT_WRITEV COMMON_INTERCEPT_FUNCTION(writev)
1201	#else
1202	#define INIT_WRITEV
1203	#endif
1204
1205	#if SANITIZER_INTERCEPT_PWRITEV
1206	INTERCEPTOR(SSIZE_T, pwritev, int fd, __sanitizer_iovec *iov, int iovcnt,
1207	OFF_T offset) {
1208	void *ctx;
1209	COMMON_INTERCEPTOR_ENTER(ctx, pwritev, fd, iov, iovcnt, offset);
1210	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1211	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1212	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pwritev)(fd, iov, iovcnt, offset);
1213	if (res > 0) read_iovec(ctx, iov, iovcnt, res);
1214	return res;
1215	}
1216	#define INIT_PWRITEV COMMON_INTERCEPT_FUNCTION(pwritev)
1217	#else
1218	#define INIT_PWRITEV
1219	#endif
1220
1221	#if SANITIZER_INTERCEPT_PWRITEV64
1222	INTERCEPTOR(SSIZE_T, pwritev64, int fd, __sanitizer_iovec *iov, int iovcnt,
1223	OFF64_T offset) {
1224	void *ctx;
1225	COMMON_INTERCEPTOR_ENTER(ctx, pwritev64, fd, iov, iovcnt, offset);
1226	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1227	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1228	SSIZE_T res =
1229	COMMON_INTERCEPTOR_BLOCK_REAL(pwritev64)(fd, iov, iovcnt, offset);
1230	if (res > 0) read_iovec(ctx, iov, iovcnt, res);
1231	return res;
1232	}
1233	#define INIT_PWRITEV64 COMMON_INTERCEPT_FUNCTION(pwritev64)
1234	#else
1235	#define INIT_PWRITEV64
1236	#endif
1237
1238	#if SANITIZER_INTERCEPT_FGETS
1239	INTERCEPTOR(char *, fgets, char *s, SIZE_T size, void *file) {
1240	// libc file streams can call user-supplied functions, see fopencookie.
1241	void *ctx;
1242	COMMON_INTERCEPTOR_ENTER(ctx, fgets, s, size, file);
1243	// FIXME: under ASan the call below may write to freed memory and corrupt
1244	// its metadata. See
1245	// https://github.com/google/sanitizers/issues/321.
1246	char *res = REAL(fgets)(s, size, file);
1247	if (res)
1248	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, internal_strlen(s) + 1);
1249	return res;
1250	}
1251	#define INIT_FGETS COMMON_INTERCEPT_FUNCTION(fgets)
1252	#else
1253	#define INIT_FGETS
1254	#endif
1255
1256	#if SANITIZER_INTERCEPT_FPUTS
1257	INTERCEPTOR_WITH_SUFFIX(int, fputs, char *s, void *file) {
1258	// libc file streams can call user-supplied functions, see fopencookie.
1259	void *ctx;
1260	COMMON_INTERCEPTOR_ENTER(ctx, fputs, s, file);
1261	if (!SANITIZER_APPLE || s) { // `fputs(NULL, file)` is supported on Darwin.
1262	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
1263	}
1264	return REAL(fputs)(s, file);
1265	}
1266	#define INIT_FPUTS COMMON_INTERCEPT_FUNCTION(fputs)
1267	#else
1268	#define INIT_FPUTS
1269	#endif
1270
1271	#if SANITIZER_INTERCEPT_PUTS
1272	INTERCEPTOR(int, puts, char *s) {
1273	// libc file streams can call user-supplied functions, see fopencookie.
1274	void *ctx;
1275	COMMON_INTERCEPTOR_ENTER(ctx, puts, s);
1276	if (!SANITIZER_APPLE || s) { // `puts(NULL)` is supported on Darwin.
1277	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
1278	}
1279	return REAL(puts)(s);
1280	}
1281	#define INIT_PUTS COMMON_INTERCEPT_FUNCTION(puts)
1282	#else
1283	#define INIT_PUTS
1284	#endif
1285
1286	#if SANITIZER_INTERCEPT_PRCTL
1287	INTERCEPTOR(int, prctl, int option, unsigned long arg2, unsigned long arg3,
1288	unsigned long arg4, unsigned long arg5) {
1289	void *ctx;
1290	COMMON_INTERCEPTOR_ENTER(ctx, prctl, option, arg2, arg3, arg4, arg5);
1291	static const int PR_SET_NAME = 15;
1292	static const int PR_GET_NAME = 16;
1293	static const int PR_SET_VMA = 0x53564d41;
1294	static const int PR_SCHED_CORE = 62;
1295	static const int PR_SCHED_CORE_GET = 0;
1296	static const int PR_GET_PDEATHSIG = 2;
1297
1298	# if !SANITIZER_ANDROID
1299	static const int PR_SET_SECCOMP = 22;
1300	static const int SECCOMP_MODE_FILTER = 2;
1301	# endif
1302	if (option == PR_SET_VMA && arg2 == 0UL) {
1303	char *name = (char *)arg5;
1304	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1305	}
1306	int res = REAL(prctl)(option, arg2, arg3, arg4, arg5);
1307	if (option == PR_SET_NAME) {
1308	char buff[16];
1309	internal_strncpy(buff, (char *)arg2, 15);
1310	buff[15] = 0;
1311	COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, buff);
1312	} else if (res == 0 && option == PR_GET_NAME) {
1313	char *name = (char *)arg2;
1314	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
1315	} else if (res != -1 && option == PR_SCHED_CORE &&
1316	arg2 == PR_SCHED_CORE_GET) {
1317	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (u64 *)(arg5), sizeof(u64));
1318	} else if (res != -1 && option == PR_GET_PDEATHSIG) {
1319	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (u64 *)(arg2), sizeof(int));
1320	# if SANITIZER_GLIBC
1321	} else if (res != -1 && option == PR_SET_SECCOMP &&
1322	arg2 == SECCOMP_MODE_FILTER) {
1323	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (u64 *)(arg3), struct_sock_fprog_sz);
1324	# endif
1325	}
1326	return res;
1327	}
1328	#define INIT_PRCTL COMMON_INTERCEPT_FUNCTION(prctl)
1329	#else
1330	#define INIT_PRCTL
1331	#endif // SANITIZER_INTERCEPT_PRCTL
1332
1333	#if SANITIZER_INTERCEPT_TIME
1334	INTERCEPTOR(unsigned long, time, unsigned long *t) {
1335	void *ctx;
1336	COMMON_INTERCEPTOR_ENTER(ctx, time, t);
1337	unsigned long local_t;
1338	unsigned long res = REAL(time)(&local_t);
1339	if (t && res != (unsigned long)-1) {
1340	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, t, sizeof(*t));
1341	*t = local_t;
1342	}
1343	return res;
1344	}
1345	#define INIT_TIME COMMON_INTERCEPT_FUNCTION(time);
1346	#else
1347	#define INIT_TIME
1348	#endif // SANITIZER_INTERCEPT_TIME
1349
1350	#if SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
1351	static void unpoison_tm(void *ctx, __sanitizer_tm *tm) {
1352	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm));
1353	#if !SANITIZER_SOLARIS
1354	if (tm->tm_zone) {
1355	// Can not use COMMON_INTERCEPTOR_WRITE_RANGE here, because tm->tm_zone
1356	// can point to shared memory and tsan would report a data race.
1357	COMMON_INTERCEPTOR_INITIALIZE_RANGE(tm->tm_zone,
1358	internal_strlen(tm->tm_zone) + 1);
1359	}
1360	#endif
1361	}
1362	INTERCEPTOR(__sanitizer_tm *, localtime, unsigned long *timep) {
1363	void *ctx;
1364	COMMON_INTERCEPTOR_ENTER(ctx, localtime, timep);
1365	__sanitizer_tm *res = REAL(localtime)(timep);
1366	if (res) {
1367	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1368	unpoison_tm(ctx, res);
1369	}
1370	return res;
1371	}
1372	INTERCEPTOR(__sanitizer_tm *, localtime_r, unsigned long *timep, void *result) {
1373	void *ctx;
1374	COMMON_INTERCEPTOR_ENTER(ctx, localtime_r, timep, result);
1375	__sanitizer_tm *res = REAL(localtime_r)(timep, result);
1376	if (res) {
1377	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1378	unpoison_tm(ctx, res);
1379	}
1380	return res;
1381	}
1382	INTERCEPTOR(__sanitizer_tm *, gmtime, unsigned long *timep) {
1383	void *ctx;
1384	COMMON_INTERCEPTOR_ENTER(ctx, gmtime, timep);
1385	__sanitizer_tm *res = REAL(gmtime)(timep);
1386	if (res) {
1387	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1388	unpoison_tm(ctx, res);
1389	}
1390	return res;
1391	}
1392	INTERCEPTOR(__sanitizer_tm *, gmtime_r, unsigned long *timep, void *result) {
1393	void *ctx;
1394	COMMON_INTERCEPTOR_ENTER(ctx, gmtime_r, timep, result);
1395	__sanitizer_tm *res = REAL(gmtime_r)(timep, result);
1396	if (res) {
1397	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1398	unpoison_tm(ctx, res);
1399	}
1400	return res;
1401	}
1402	INTERCEPTOR(char *, ctime, unsigned long *timep) {
1403	void *ctx;
1404	COMMON_INTERCEPTOR_ENTER(ctx, ctime, timep);
1405	// FIXME: under ASan the call below may write to freed memory and corrupt
1406	// its metadata. See
1407	// https://github.com/google/sanitizers/issues/321.
1408	char *res = REAL(ctime)(timep);
1409	if (res) {
1410	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1411	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1412	}
1413	return res;
1414	}
1415	INTERCEPTOR(char *, ctime_r, unsigned long *timep, char *result) {
1416	void *ctx;
1417	COMMON_INTERCEPTOR_ENTER(ctx, ctime_r, timep, result);
1418	// FIXME: under ASan the call below may write to freed memory and corrupt
1419	// its metadata. See
1420	// https://github.com/google/sanitizers/issues/321.
1421	char *res = REAL(ctime_r)(timep, result);
1422	if (res) {
1423	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1424	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1425	}
1426	return res;
1427	}
1428	INTERCEPTOR(char *, asctime, __sanitizer_tm *tm) {
1429	void *ctx;
1430	COMMON_INTERCEPTOR_ENTER(ctx, asctime, tm);
1431	// FIXME: under ASan the call below may write to freed memory and corrupt
1432	// its metadata. See
1433	// https://github.com/google/sanitizers/issues/321.
1434	char *res = REAL(asctime)(tm);
1435	if (res) {
1436	COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm));
1437	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1438	}
1439	return res;
1440	}
1441	INTERCEPTOR(char *, asctime_r, __sanitizer_tm *tm, char *result) {
1442	void *ctx;
1443	COMMON_INTERCEPTOR_ENTER(ctx, asctime_r, tm, result);
1444	// FIXME: under ASan the call below may write to freed memory and corrupt
1445	// its metadata. See
1446	// https://github.com/google/sanitizers/issues/321.
1447	char *res = REAL(asctime_r)(tm, result);
1448	if (res) {
1449	COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm));
1450	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1451	}
1452	return res;
1453	}
1454	INTERCEPTOR(long, mktime, __sanitizer_tm *tm) {
1455	void *ctx;
1456	COMMON_INTERCEPTOR_ENTER(ctx, mktime, tm);
1457	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_sec, sizeof(tm->tm_sec));
1458	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_min, sizeof(tm->tm_min));
1459	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_hour, sizeof(tm->tm_hour));
1460	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mday, sizeof(tm->tm_mday));
1461	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mon, sizeof(tm->tm_mon));
1462	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_year, sizeof(tm->tm_year));
1463	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_isdst, sizeof(tm->tm_isdst));
1464	long res = REAL(mktime)(tm);
1465	if (res != -1) unpoison_tm(ctx, tm);
1466	return res;
1467	}
1468	#define INIT_LOCALTIME_AND_FRIENDS \
1469	COMMON_INTERCEPT_FUNCTION(localtime); \
1470	COMMON_INTERCEPT_FUNCTION(localtime_r); \
1471	COMMON_INTERCEPT_FUNCTION(gmtime); \
1472	COMMON_INTERCEPT_FUNCTION(gmtime_r); \
1473	COMMON_INTERCEPT_FUNCTION(ctime); \
1474	COMMON_INTERCEPT_FUNCTION(ctime_r); \
1475	COMMON_INTERCEPT_FUNCTION(asctime); \
1476	COMMON_INTERCEPT_FUNCTION(asctime_r); \
1477	COMMON_INTERCEPT_FUNCTION(mktime);
1478	#else
1479	#define INIT_LOCALTIME_AND_FRIENDS
1480	#endif // SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
1481
1482	#if SANITIZER_INTERCEPT_STRPTIME
1483	INTERCEPTOR(char *, strptime, char *s, char *format, __sanitizer_tm *tm) {
1484	void *ctx;
1485	COMMON_INTERCEPTOR_ENTER(ctx, strptime, s, format, tm);
1486	if (format)
1487	COMMON_INTERCEPTOR_READ_RANGE(ctx, format, internal_strlen(format) + 1);
1488	// FIXME: under ASan the call below may write to freed memory and corrupt
1489	// its metadata. See
1490	// https://github.com/google/sanitizers/issues/321.
1491	char *res = REAL(strptime)(s, format, tm);
1492	COMMON_INTERCEPTOR_READ_STRING(ctx, s, res ? res - s : 0);
1493	if (res && tm) {
1494	// Do not call unpoison_tm here, because strptime does not, in fact,
1495	// initialize the entire struct tm. For example, tm_zone pointer is left
1496	// uninitialized.
1497	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm));
1498	}
1499	return res;
1500	}
1501	#define INIT_STRPTIME COMMON_INTERCEPT_FUNCTION(strptime);
1502	#else
1503	#define INIT_STRPTIME
1504	#endif
1505
1506	#if SANITIZER_INTERCEPT_SCANF || SANITIZER_INTERCEPT_PRINTF
1507	#include "sanitizer_common_interceptors_format.inc"
1508
1509	#define FORMAT_INTERCEPTOR_IMPL(name, vname, ...) \
1510	{ \
1511	void *ctx; \
1512	va_list ap; \
1513	va_start(ap, format); \
1514	COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__, ap); \
1515	int res = WRAP(vname)(__VA_ARGS__, ap); \
1516	va_end(ap); \
1517	return res; \
1518	}
1519
1520	#endif
1521
1522	#if SANITIZER_INTERCEPT_SCANF
1523
1524	#define VSCANF_INTERCEPTOR_IMPL(vname, allowGnuMalloc, ...) \
1525	{ \
1526	void *ctx; \
1527	COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \
1528	va_list aq; \
1529	va_copy(aq, ap); \
1530	int res = REAL(vname)(__VA_ARGS__); \
1531	if (res > 0) \
1532	scanf_common(ctx, res, allowGnuMalloc, format, aq); \
1533	va_end(aq); \
1534	return res; \
1535	}
1536
1537	INTERCEPTOR(int, vscanf, const char *format, va_list ap)
1538	VSCANF_INTERCEPTOR_IMPL(vscanf, true, format, ap)
1539
1540	INTERCEPTOR(int, vsscanf, const char *str, const char *format, va_list ap)
1541	VSCANF_INTERCEPTOR_IMPL(vsscanf, true, str, format, ap)
1542
1543	INTERCEPTOR(int, vfscanf, void *stream, const char *format, va_list ap)
1544	VSCANF_INTERCEPTOR_IMPL(vfscanf, true, stream, format, ap)
1545
1546	#if SANITIZER_INTERCEPT_ISOC99_SCANF
1547	INTERCEPTOR(int, __isoc99_vscanf, const char *format, va_list ap)
1548	VSCANF_INTERCEPTOR_IMPL(__isoc99_vscanf, false, format, ap)
1549
1550	INTERCEPTOR(int, __isoc99_vsscanf, const char *str, const char *format,
1551	va_list ap)
1552	VSCANF_INTERCEPTOR_IMPL(__isoc99_vsscanf, false, str, format, ap)
1553
1554	INTERCEPTOR(int, __isoc99_vfscanf, void *stream, const char *format, va_list ap)
1555	VSCANF_INTERCEPTOR_IMPL(__isoc99_vfscanf, false, stream, format, ap)
1556
1557	INTERCEPTOR(int, __isoc23_vscanf, const char *format, va_list ap)
1558	VSCANF_INTERCEPTOR_IMPL(__isoc23_vscanf, false, format, ap)
1559
1560	INTERCEPTOR(int, __isoc23_vsscanf, const char *str, const char *format,
1561	va_list ap)
1562	VSCANF_INTERCEPTOR_IMPL(__isoc23_vsscanf, false, str, format, ap)
1563
1564	INTERCEPTOR(int, __isoc23_vfscanf, void *stream, const char *format, va_list ap)
1565	VSCANF_INTERCEPTOR_IMPL(__isoc23_vfscanf, false, stream, format, ap)
1566	#endif // SANITIZER_INTERCEPT_ISOC99_SCANF
1567
1568	INTERCEPTOR(int, scanf, const char *format, ...)
1569	FORMAT_INTERCEPTOR_IMPL(scanf, vscanf, format)
1570
1571	INTERCEPTOR(int, fscanf, void *stream, const char *format, ...)
1572	FORMAT_INTERCEPTOR_IMPL(fscanf, vfscanf, stream, format)
1573
1574	INTERCEPTOR(int, sscanf, const char *str, const char *format, ...)
1575	FORMAT_INTERCEPTOR_IMPL(sscanf, vsscanf, str, format)
1576
1577	#if SANITIZER_INTERCEPT_ISOC99_SCANF
1578	INTERCEPTOR(int, __isoc99_scanf, const char *format, ...)
1579	FORMAT_INTERCEPTOR_IMPL(__isoc99_scanf, __isoc99_vscanf, format)
1580
1581	INTERCEPTOR(int, __isoc99_fscanf, void *stream, const char *format, ...)
1582	FORMAT_INTERCEPTOR_IMPL(__isoc99_fscanf, __isoc99_vfscanf, stream, format)
1583
1584	INTERCEPTOR(int, __isoc99_sscanf, const char *str, const char *format, ...)
1585	FORMAT_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf, str, format)
1586
1587	INTERCEPTOR(int, __isoc23_scanf, const char *format, ...)
1588	FORMAT_INTERCEPTOR_IMPL(__isoc23_scanf, __isoc23_vscanf, format)
1589
1590	INTERCEPTOR(int, __isoc23_fscanf, void *stream, const char *format, ...)
1591	FORMAT_INTERCEPTOR_IMPL(__isoc23_fscanf, __isoc23_vfscanf, stream, format)
1592
1593	INTERCEPTOR(int, __isoc23_sscanf, const char *str, const char *format, ...)
1594	FORMAT_INTERCEPTOR_IMPL(__isoc23_sscanf, __isoc23_vsscanf, str, format)
1595	#endif
1596
1597	#endif
1598
1599	#if SANITIZER_INTERCEPT_SCANF
1600	#define INIT_SCANF \
1601	COMMON_INTERCEPT_FUNCTION_LDBL(scanf); \
1602	COMMON_INTERCEPT_FUNCTION_LDBL(sscanf); \
1603	COMMON_INTERCEPT_FUNCTION_LDBL(fscanf); \
1604	COMMON_INTERCEPT_FUNCTION_LDBL(vscanf); \
1605	COMMON_INTERCEPT_FUNCTION_LDBL(vsscanf); \
1606	COMMON_INTERCEPT_FUNCTION_LDBL(vfscanf);
1607	#else
1608	#define INIT_SCANF
1609	#endif
1610
1611	#if SANITIZER_INTERCEPT_ISOC99_SCANF
1612	#define INIT_ISOC99_SCANF \
1613	COMMON_INTERCEPT_FUNCTION(__isoc99_scanf); \
1614	COMMON_INTERCEPT_FUNCTION(__isoc99_sscanf); \
1615	COMMON_INTERCEPT_FUNCTION(__isoc99_fscanf); \
1616	COMMON_INTERCEPT_FUNCTION(__isoc99_vscanf); \
1617	COMMON_INTERCEPT_FUNCTION(__isoc99_vsscanf); \
1618	COMMON_INTERCEPT_FUNCTION(__isoc99_vfscanf); \
1619	COMMON_INTERCEPT_FUNCTION(__isoc23_scanf); \
1620	COMMON_INTERCEPT_FUNCTION(__isoc23_sscanf); \
1621	COMMON_INTERCEPT_FUNCTION(__isoc23_fscanf); \
1622	COMMON_INTERCEPT_FUNCTION(__isoc23_vscanf); \
1623	COMMON_INTERCEPT_FUNCTION(__isoc23_vsscanf); \
1624	COMMON_INTERCEPT_FUNCTION(__isoc23_vfscanf);
1625	#else
1626	#define INIT_ISOC99_SCANF
1627	#endif
1628
1629	#if SANITIZER_INTERCEPT_PRINTF
1630
1631	#define VPRINTF_INTERCEPTOR_ENTER(vname, ...) \
1632	void *ctx; \
1633	COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \
1634	va_list aq; \
1635	va_copy(aq, ap);
1636
1637	#define VPRINTF_INTERCEPTOR_RETURN() \
1638	va_end(aq);
1639
1640	#define VPRINTF_INTERCEPTOR_IMPL(vname, ...) \
1641	{ \
1642	VPRINTF_INTERCEPTOR_ENTER(vname, __VA_ARGS__); \
1643	if (common_flags()->check_printf) \
1644	printf_common(ctx, format, aq); \
1645	int res = REAL(vname)(__VA_ARGS__); \
1646	VPRINTF_INTERCEPTOR_RETURN(); \
1647	return res; \
1648	}
1649
1650	// FIXME: under ASan the REAL() call below may write to freed memory and
1651	// corrupt its metadata. See
1652	// https://github.com/google/sanitizers/issues/321.
1653	#define VSPRINTF_INTERCEPTOR_IMPL(vname, str, ...) \
1654	{ \
1655	VPRINTF_INTERCEPTOR_ENTER(vname, str, __VA_ARGS__) \
1656	if (common_flags()->check_printf) { \
1657	printf_common(ctx, format, aq); \
1658	} \
1659	int res = REAL(vname)(str, __VA_ARGS__); \
1660	if (res >= 0) { \
1661	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, res + 1); \
1662	} \
1663	VPRINTF_INTERCEPTOR_RETURN(); \
1664	return res; \
1665	}
1666
1667	// FIXME: under ASan the REAL() call below may write to freed memory and
1668	// corrupt its metadata. See
1669	// https://github.com/google/sanitizers/issues/321.
1670	#define VSNPRINTF_INTERCEPTOR_IMPL(vname, str, size, ...) \
1671	{ \
1672	VPRINTF_INTERCEPTOR_ENTER(vname, str, size, __VA_ARGS__) \
1673	if (common_flags()->check_printf) { \
1674	printf_common(ctx, format, aq); \
1675	} \
1676	int res = REAL(vname)(str, size, __VA_ARGS__); \
1677	if (res >= 0) { \
1678	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, Min(size, (SIZE_T)(res + 1))); \
1679	} \
1680	VPRINTF_INTERCEPTOR_RETURN(); \
1681	return res; \
1682	}
1683
1684	// FIXME: under ASan the REAL() call below may write to freed memory and
1685	// corrupt its metadata. See
1686	// https://github.com/google/sanitizers/issues/321.
1687	#define VASPRINTF_INTERCEPTOR_IMPL(vname, strp, ...) \
1688	{ \
1689	VPRINTF_INTERCEPTOR_ENTER(vname, strp, __VA_ARGS__) \
1690	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, strp, sizeof(char *)); \
1691	if (common_flags()->check_printf) { \
1692	printf_common(ctx, format, aq); \
1693	} \
1694	int res = REAL(vname)(strp, __VA_ARGS__); \
1695	if (res >= 0) { \
1696	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *strp, res + 1); \
1697	} \
1698	VPRINTF_INTERCEPTOR_RETURN(); \
1699	return res; \
1700	}
1701
1702	INTERCEPTOR(int, vprintf, const char *format, va_list ap)
1703	VPRINTF_INTERCEPTOR_IMPL(vprintf, format, ap)
1704
1705	INTERCEPTOR(int, vfprintf, __sanitizer_FILE *stream, const char *format,
1706	va_list ap)
1707	VPRINTF_INTERCEPTOR_IMPL(vfprintf, stream, format, ap)
1708
1709	INTERCEPTOR(int, vsnprintf, char *str, SIZE_T size, const char *format,
1710	va_list ap)
1711	VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap)
1712
1713	#if SANITIZER_INTERCEPT___PRINTF_CHK
1714	INTERCEPTOR(int, __vsnprintf_chk, char *str, SIZE_T size, int flag,
1715	SIZE_T size_to, const char *format, va_list ap)
1716	VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap)
1717	#endif
1718
1719	#if SANITIZER_INTERCEPT_PRINTF_L
1720	INTERCEPTOR(int, vsnprintf_l, char *str, SIZE_T size, void *loc,
1721	const char *format, va_list ap)
1722	VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf_l, str, size, loc, format, ap)
1723
1724	INTERCEPTOR(int, snprintf_l, char *str, SIZE_T size, void *loc,
1725	const char *format, ...)
1726	FORMAT_INTERCEPTOR_IMPL(snprintf_l, vsnprintf_l, str, size, loc, format)
1727	#endif // SANITIZER_INTERCEPT_PRINTF_L
1728
1729	INTERCEPTOR(int, vsprintf, char *str, const char *format, va_list ap)
1730	VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap)
1731
1732	#if SANITIZER_INTERCEPT___PRINTF_CHK
1733	INTERCEPTOR(int, __vsprintf_chk, char *str, int flag, SIZE_T size_to,
1734	const char *format, va_list ap)
1735	VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap)
1736	#endif
1737
1738	INTERCEPTOR(int, vasprintf, char **strp, const char *format, va_list ap)
1739	VASPRINTF_INTERCEPTOR_IMPL(vasprintf, strp, format, ap)
1740
1741	#if SANITIZER_INTERCEPT_ISOC99_PRINTF
1742	INTERCEPTOR(int, __isoc99_vprintf, const char *format, va_list ap)
1743	VPRINTF_INTERCEPTOR_IMPL(__isoc99_vprintf, format, ap)
1744
1745	INTERCEPTOR(int, __isoc99_vfprintf, __sanitizer_FILE *stream,
1746	const char *format, va_list ap)
1747	VPRINTF_INTERCEPTOR_IMPL(__isoc99_vfprintf, stream, format, ap)
1748
1749	INTERCEPTOR(int, __isoc99_vsnprintf, char *str, SIZE_T size, const char *format,
1750	va_list ap)
1751	VSNPRINTF_INTERCEPTOR_IMPL(__isoc99_vsnprintf, str, size, format, ap)
1752
1753	INTERCEPTOR(int, __isoc99_vsprintf, char *str, const char *format,
1754	va_list ap)
1755	VSPRINTF_INTERCEPTOR_IMPL(__isoc99_vsprintf, str, format,
1756	ap)
1757
1758	#endif // SANITIZER_INTERCEPT_ISOC99_PRINTF
1759
1760	INTERCEPTOR(int, printf, const char *format, ...)
1761	FORMAT_INTERCEPTOR_IMPL(printf, vprintf, format)
1762
1763	INTERCEPTOR(int, fprintf, __sanitizer_FILE *stream, const char *format, ...)
1764	FORMAT_INTERCEPTOR_IMPL(fprintf, vfprintf, stream, format)
1765
1766	#if SANITIZER_INTERCEPT___PRINTF_CHK
1767	INTERCEPTOR(int, __fprintf_chk, __sanitizer_FILE *stream, SIZE_T size,
1768	const char *format, ...)
1769	FORMAT_INTERCEPTOR_IMPL(__fprintf_chk, vfprintf, stream, format)
1770	#endif
1771
1772	INTERCEPTOR(int, sprintf, char *str, const char *format, ...)
1773	FORMAT_INTERCEPTOR_IMPL(sprintf, vsprintf, str, format)
1774
1775	#if SANITIZER_INTERCEPT___PRINTF_CHK
1776	INTERCEPTOR(int, __sprintf_chk, char *str, int flag, SIZE_T size_to,
1777	const char *format, ...)
1778	FORMAT_INTERCEPTOR_IMPL(__sprintf_chk, vsprintf, str, format)
1779	#endif
1780
1781	INTERCEPTOR(int, snprintf, char *str, SIZE_T size, const char *format, ...)
1782	FORMAT_INTERCEPTOR_IMPL(snprintf, vsnprintf, str, size, format)
1783
1784	#if SANITIZER_INTERCEPT___PRINTF_CHK
1785	INTERCEPTOR(int, __snprintf_chk, char *str, SIZE_T size, int flag,
1786	SIZE_T size_to, const char *format, ...)
1787	FORMAT_INTERCEPTOR_IMPL(__snprintf_chk, vsnprintf, str, size, format)
1788	#endif
1789
1790	INTERCEPTOR(int, asprintf, char **strp, const char *format, ...)
1791	FORMAT_INTERCEPTOR_IMPL(asprintf, vasprintf, strp, format)
1792
1793	#if SANITIZER_INTERCEPT_ISOC99_PRINTF
1794	INTERCEPTOR(int, __isoc99_printf, const char *format, ...)
1795	FORMAT_INTERCEPTOR_IMPL(__isoc99_printf, __isoc99_vprintf, format)
1796
1797	INTERCEPTOR(int, __isoc99_fprintf, __sanitizer_FILE *stream, const char *format,
1798	...)
1799	FORMAT_INTERCEPTOR_IMPL(__isoc99_fprintf, __isoc99_vfprintf, stream, format)
1800
1801	INTERCEPTOR(int, __isoc99_sprintf, char *str, const char *format, ...)
1802	FORMAT_INTERCEPTOR_IMPL(__isoc99_sprintf, __isoc99_vsprintf, str, format)
1803
1804	INTERCEPTOR(int, __isoc99_snprintf, char *str, SIZE_T size,
1805	const char *format, ...)
1806	FORMAT_INTERCEPTOR_IMPL(__isoc99_snprintf, __isoc99_vsnprintf, str, size,
1807	format)
1808
1809	#endif // SANITIZER_INTERCEPT_ISOC99_PRINTF
1810
1811	#endif // SANITIZER_INTERCEPT_PRINTF
1812
1813	#if SANITIZER_INTERCEPT_PRINTF
1814	#define INIT_PRINTF \
1815	COMMON_INTERCEPT_FUNCTION_LDBL(printf); \
1816	COMMON_INTERCEPT_FUNCTION_LDBL(sprintf); \
1817	COMMON_INTERCEPT_FUNCTION_LDBL(snprintf); \
1818	COMMON_INTERCEPT_FUNCTION_LDBL(asprintf); \
1819	COMMON_INTERCEPT_FUNCTION_LDBL(fprintf); \
1820	COMMON_INTERCEPT_FUNCTION_LDBL(vprintf); \
1821	COMMON_INTERCEPT_FUNCTION_LDBL(vsprintf); \
1822	COMMON_INTERCEPT_FUNCTION_LDBL(vsnprintf); \
1823	COMMON_INTERCEPT_FUNCTION_LDBL(vasprintf); \
1824	COMMON_INTERCEPT_FUNCTION_LDBL(vfprintf);
1825	#else
1826	#define INIT_PRINTF
1827	#endif
1828
1829	#if SANITIZER_INTERCEPT___PRINTF_CHK
1830	#define INIT___PRINTF_CHK \
1831	COMMON_INTERCEPT_FUNCTION(__sprintf_chk); \
1832	COMMON_INTERCEPT_FUNCTION(__snprintf_chk); \
1833	COMMON_INTERCEPT_FUNCTION(__vsprintf_chk); \
1834	COMMON_INTERCEPT_FUNCTION(__vsnprintf_chk); \
1835	COMMON_INTERCEPT_FUNCTION(__fprintf_chk);
1836	#else
1837	#define INIT___PRINTF_CHK
1838	#endif
1839
1840	#if SANITIZER_INTERCEPT_PRINTF_L
1841	#define INIT_PRINTF_L \
1842	COMMON_INTERCEPT_FUNCTION(snprintf_l); \
1843	COMMON_INTERCEPT_FUNCTION(vsnprintf_l);
1844	#else
1845	#define INIT_PRINTF_L
1846	#endif
1847
1848	#if SANITIZER_INTERCEPT_ISOC99_PRINTF
1849	#define INIT_ISOC99_PRINTF \
1850	COMMON_INTERCEPT_FUNCTION(__isoc99_printf); \
1851	COMMON_INTERCEPT_FUNCTION(__isoc99_sprintf); \
1852	COMMON_INTERCEPT_FUNCTION(__isoc99_snprintf); \
1853	COMMON_INTERCEPT_FUNCTION(__isoc99_fprintf); \
1854	COMMON_INTERCEPT_FUNCTION(__isoc99_vprintf); \
1855	COMMON_INTERCEPT_FUNCTION(__isoc99_vsprintf); \
1856	COMMON_INTERCEPT_FUNCTION(__isoc99_vsnprintf); \
1857	COMMON_INTERCEPT_FUNCTION(__isoc99_vfprintf);
1858	#else
1859	#define INIT_ISOC99_PRINTF
1860	#endif
1861
1862	#if SANITIZER_INTERCEPT_SETPROCTITLE
1863	INTERCEPTOR(void, setproctitle, const char *fmt, ...) {
1864	void *ctx;
1865	va_list ap;
1866	va_start(ap, fmt);
1867	COMMON_INTERCEPTOR_ENTER(ctx, setproctitle, fmt, ap);
1868	if (common_flags()->check_printf)
1869	printf_common(ctx, fmt, ap);
1870	REAL(setproctitle)(fmt, ap);
1871	va_end(ap);
1872	}
1873	# define INIT_SETPROCTITLE COMMON_INTERCEPT_FUNCTION(setproctitle);
1874	#else
1875	# define INIT_SETPROCTITLE
1876	#endif
1877
1878	#if SANITIZER_INTERCEPT_IOCTL
1879	#include "sanitizer_common_interceptors_ioctl.inc"
1880	#include "sanitizer_interceptors_ioctl_netbsd.inc"
1881	INTERCEPTOR(int, ioctl, int d, unsigned long request, ...) {
1882	// We need a frame pointer, because we call into ioctl_common_[pre|post] which
1883	// can trigger a report and we need to be able to unwind through this
1884	// function. On Mac in debug mode we might not have a frame pointer, because
1885	// ioctl_common_[pre|post] doesn't get inlined here.
1886	ENABLE_FRAME_POINTER;
1887
1888	void *ctx;
1889	va_list ap;
1890	va_start(ap, request);
1891	void *arg = va_arg(ap, void *);
1892	va_end(ap);
1893	COMMON_INTERCEPTOR_ENTER(ctx, ioctl, d, request, arg);
1894
1895	CHECK(ioctl_initialized);
1896
1897	// Note: TSan does not use common flags, and they are zero-initialized.
1898	// This effectively disables ioctl handling in TSan.
1899	if (!common_flags()->handle_ioctl) return REAL(ioctl)(d, request, arg);
1900
1901	// Although request is unsigned long, the rest of the interceptor uses it
1902	// as just "unsigned" to save space, because we know that all values fit in
1903	// "unsigned" - they are compile-time constants.
1904
1905	const ioctl_desc *desc = ioctl_lookup(request);
1906	ioctl_desc decoded_desc;
1907	if (!desc) {
1908	VPrintf(2, "Decoding unknown ioctl 0x%lx\n", request);
1909	if (!ioctl_decode(request, &decoded_desc))
1910	Printf("WARNING: failed decoding unknown ioctl 0x%lx\n", request);
1911	else
1912	desc = &decoded_desc;
1913	}
1914
1915	if (desc) ioctl_common_pre(ctx, desc, d, request, arg);
1916	int res = REAL(ioctl)(d, request, arg);
1917	// FIXME: some ioctls have different return values for success and failure.
1918	if (desc && res != -1) ioctl_common_post(ctx, desc, res, d, request, arg);
1919	return res;
1920	}
1921	#define INIT_IOCTL \
1922	ioctl_init(); \
1923	COMMON_INTERCEPT_FUNCTION(ioctl);
1924	#else
1925	#define INIT_IOCTL
1926	#endif
1927
1928	#if SANITIZER_POSIX
1929	UNUSED static void unpoison_passwd(void *ctx, __sanitizer_passwd *pwd) {
1930	if (pwd) {
1931	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, sizeof(*pwd));
1932	if (pwd->pw_name)
1933	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_name,
1934	internal_strlen(pwd->pw_name) + 1);
1935	if (pwd->pw_passwd)
1936	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_passwd,
1937	internal_strlen(pwd->pw_passwd) + 1);
1938	#if !SANITIZER_ANDROID
1939	if (pwd->pw_gecos)
1940	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_gecos,
1941	internal_strlen(pwd->pw_gecos) + 1);
1942	#endif
1943	#if SANITIZER_APPLE || SANITIZER_FREEBSD || SANITIZER_NETBSD
1944	if (pwd->pw_class)
1945	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_class,
1946	internal_strlen(pwd->pw_class) + 1);
1947	#endif
1948	if (pwd->pw_dir)
1949	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_dir,
1950	internal_strlen(pwd->pw_dir) + 1);
1951	if (pwd->pw_shell)
1952	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_shell,
1953	internal_strlen(pwd->pw_shell) + 1);
1954	}
1955	}
1956
1957	UNUSED static void unpoison_group(void *ctx, __sanitizer_group *grp) {
1958	if (grp) {
1959	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, sizeof(*grp));
1960	if (grp->gr_name)
1961	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_name,
1962	internal_strlen(grp->gr_name) + 1);
1963	if (grp->gr_passwd)
1964	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_passwd,
1965	internal_strlen(grp->gr_passwd) + 1);
1966	char **p = grp->gr_mem;
1967	for (; *p; ++p) {
1968	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, internal_strlen(*p) + 1);
1969	}
1970	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_mem,
1971	(p - grp->gr_mem + 1) * sizeof(*p));
1972	}
1973	}
1974	#endif // SANITIZER_POSIX
1975
1976	#if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS
1977	INTERCEPTOR(__sanitizer_passwd *, getpwnam, const char *name) {
1978	void *ctx;
1979	COMMON_INTERCEPTOR_ENTER(ctx, getpwnam, name);
1980	if (name)
1981	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1982	__sanitizer_passwd *res = REAL(getpwnam)(name);
1983	unpoison_passwd(ctx, res);
1984	return res;
1985	}
1986	INTERCEPTOR(__sanitizer_passwd *, getpwuid, u32 uid) {
1987	void *ctx;
1988	COMMON_INTERCEPTOR_ENTER(ctx, getpwuid, uid);
1989	__sanitizer_passwd *res = REAL(getpwuid)(uid);
1990	unpoison_passwd(ctx, res);
1991	return res;
1992	}
1993	INTERCEPTOR(__sanitizer_group *, getgrnam, const char *name) {
1994	void *ctx;
1995	COMMON_INTERCEPTOR_ENTER(ctx, getgrnam, name);
1996	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1997	__sanitizer_group *res = REAL(getgrnam)(name);
1998	unpoison_group(ctx, res);
1999	return res;
2000	}
2001	INTERCEPTOR(__sanitizer_group *, getgrgid, u32 gid) {
2002	void *ctx;
2003	COMMON_INTERCEPTOR_ENTER(ctx, getgrgid, gid);
2004	__sanitizer_group *res = REAL(getgrgid)(gid);
2005	unpoison_group(ctx, res);
2006	return res;
2007	}
2008	#define INIT_GETPWNAM_AND_FRIENDS \
2009	COMMON_INTERCEPT_FUNCTION(getpwnam); \
2010	COMMON_INTERCEPT_FUNCTION(getpwuid); \
2011	COMMON_INTERCEPT_FUNCTION(getgrnam); \
2012	COMMON_INTERCEPT_FUNCTION(getgrgid);
2013	#else
2014	#define INIT_GETPWNAM_AND_FRIENDS
2015	#endif
2016
2017	#if SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS
2018	INTERCEPTOR(int, getpwnam_r, const char *name, __sanitizer_passwd *pwd,
2019	char *buf, SIZE_T buflen, __sanitizer_passwd **result) {
2020	void *ctx;
2021	COMMON_INTERCEPTOR_ENTER(ctx, getpwnam_r, name, pwd, buf, buflen, result);
2022	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
2023	// FIXME: under ASan the call below may write to freed memory and corrupt
2024	// its metadata. See
2025	// https://github.com/google/sanitizers/issues/321.
2026	int res = REAL(getpwnam_r)(name, pwd, buf, buflen, result);
2027	if (!res && result)
2028	unpoison_passwd(ctx, *result);
2029	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2030	return res;
2031	}
2032	INTERCEPTOR(int, getpwuid_r, u32 uid, __sanitizer_passwd *pwd, char *buf,
2033	SIZE_T buflen, __sanitizer_passwd **result) {
2034	void *ctx;
2035	COMMON_INTERCEPTOR_ENTER(ctx, getpwuid_r, uid, pwd, buf, buflen, result);
2036	// FIXME: under ASan the call below may write to freed memory and corrupt
2037	// its metadata. See
2038	// https://github.com/google/sanitizers/issues/321.
2039	int res = REAL(getpwuid_r)(uid, pwd, buf, buflen, result);
2040	if (!res && result)
2041	unpoison_passwd(ctx, *result);
2042	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2043	return res;
2044	}
2045	INTERCEPTOR(int, getgrnam_r, const char *name, __sanitizer_group *grp,
2046	char *buf, SIZE_T buflen, __sanitizer_group **result) {
2047	void *ctx;
2048	COMMON_INTERCEPTOR_ENTER(ctx, getgrnam_r, name, grp, buf, buflen, result);
2049	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
2050	// FIXME: under ASan the call below may write to freed memory and corrupt
2051	// its metadata. See
2052	// https://github.com/google/sanitizers/issues/321.
2053	int res = REAL(getgrnam_r)(name, grp, buf, buflen, result);
2054	if (!res && result)
2055	unpoison_group(ctx, *result);
2056	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2057	return res;
2058	}
2059	INTERCEPTOR(int, getgrgid_r, u32 gid, __sanitizer_group *grp, char *buf,
2060	SIZE_T buflen, __sanitizer_group **result) {
2061	void *ctx;
2062	COMMON_INTERCEPTOR_ENTER(ctx, getgrgid_r, gid, grp, buf, buflen, result);
2063	// FIXME: under ASan the call below may write to freed memory and corrupt
2064	// its metadata. See
2065	// https://github.com/google/sanitizers/issues/321.
2066	int res = REAL(getgrgid_r)(gid, grp, buf, buflen, result);
2067	if (!res && result)
2068	unpoison_group(ctx, *result);
2069	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2070	return res;
2071	}
2072	#define INIT_GETPWNAM_R_AND_FRIENDS \
2073	COMMON_INTERCEPT_FUNCTION(getpwnam_r); \
2074	COMMON_INTERCEPT_FUNCTION(getpwuid_r); \
2075	COMMON_INTERCEPT_FUNCTION(getgrnam_r); \
2076	COMMON_INTERCEPT_FUNCTION(getgrgid_r);
2077	#else
2078	#define INIT_GETPWNAM_R_AND_FRIENDS
2079	#endif
2080
2081	#if SANITIZER_INTERCEPT_GETPWENT
2082	INTERCEPTOR(__sanitizer_passwd *, getpwent, int dummy) {
2083	void *ctx;
2084	COMMON_INTERCEPTOR_ENTER(ctx, getpwent, dummy);
2085	__sanitizer_passwd *res = REAL(getpwent)(dummy);
2086	unpoison_passwd(ctx, res);
2087	return res;
2088	}
2089	INTERCEPTOR(__sanitizer_group *, getgrent, int dummy) {
2090	void *ctx;
2091	COMMON_INTERCEPTOR_ENTER(ctx, getgrent, dummy);
2092	__sanitizer_group *res = REAL(getgrent)(dummy);
2093	unpoison_group(ctx, res);
2094	return res;
2095	}
2096	#define INIT_GETPWENT \
2097	COMMON_INTERCEPT_FUNCTION(getpwent); \
2098	COMMON_INTERCEPT_FUNCTION(getgrent);
2099	#else
2100	#define INIT_GETPWENT
2101	#endif
2102
2103	#if SANITIZER_INTERCEPT_FGETPWENT
2104	INTERCEPTOR(__sanitizer_passwd *, fgetpwent, void *fp) {
2105	void *ctx;
2106	COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent, fp);
2107	__sanitizer_passwd *res = REAL(fgetpwent)(fp);
2108	unpoison_passwd(ctx, res);
2109	return res;
2110	}
2111	INTERCEPTOR(__sanitizer_group *, fgetgrent, void *fp) {
2112	void *ctx;
2113	COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent, fp);
2114	__sanitizer_group *res = REAL(fgetgrent)(fp);
2115	unpoison_group(ctx, res);
2116	return res;
2117	}
2118	#define INIT_FGETPWENT \
2119	COMMON_INTERCEPT_FUNCTION(fgetpwent); \
2120	COMMON_INTERCEPT_FUNCTION(fgetgrent);
2121	#else
2122	#define INIT_FGETPWENT
2123	#endif
2124
2125	#if SANITIZER_INTERCEPT_GETPWENT_R
2126	INTERCEPTOR(int, getpwent_r, __sanitizer_passwd *pwbuf, char *buf,
2127	SIZE_T buflen, __sanitizer_passwd **pwbufp) {
2128	void *ctx;
2129	COMMON_INTERCEPTOR_ENTER(ctx, getpwent_r, pwbuf, buf, buflen, pwbufp);
2130	// FIXME: under ASan the call below may write to freed memory and corrupt
2131	// its metadata. See
2132	// https://github.com/google/sanitizers/issues/321.
2133	int res = REAL(getpwent_r)(pwbuf, buf, buflen, pwbufp);
2134	if (!res && pwbufp)
2135	unpoison_passwd(ctx, *pwbufp);
2136	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2137	return res;
2138	}
2139	INTERCEPTOR(int, getgrent_r, __sanitizer_group *pwbuf, char *buf, SIZE_T buflen,
2140	__sanitizer_group **pwbufp) {
2141	void *ctx;
2142	COMMON_INTERCEPTOR_ENTER(ctx, getgrent_r, pwbuf, buf, buflen, pwbufp);
2143	// FIXME: under ASan the call below may write to freed memory and corrupt
2144	// its metadata. See
2145	// https://github.com/google/sanitizers/issues/321.
2146	int res = REAL(getgrent_r)(pwbuf, buf, buflen, pwbufp);
2147	if (!res && pwbufp)
2148	unpoison_group(ctx, *pwbufp);
2149	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2150	return res;
2151	}
2152	#define INIT_GETPWENT_R \
2153	COMMON_INTERCEPT_FUNCTION(getpwent_r); \
2154	COMMON_INTERCEPT_FUNCTION(getgrent_r);
2155	#else
2156	#define INIT_GETPWENT_R
2157	#endif
2158
2159	#if SANITIZER_INTERCEPT_FGETPWENT_R
2160	INTERCEPTOR(int, fgetpwent_r, void *fp, __sanitizer_passwd *pwbuf, char *buf,
2161	SIZE_T buflen, __sanitizer_passwd **pwbufp) {
2162	void *ctx;
2163	COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent_r, fp, pwbuf, buf, buflen, pwbufp);
2164	// FIXME: under ASan the call below may write to freed memory and corrupt
2165	// its metadata. See
2166	// https://github.com/google/sanitizers/issues/321.
2167	int res = REAL(fgetpwent_r)(fp, pwbuf, buf, buflen, pwbufp);
2168	if (!res && pwbufp)
2169	unpoison_passwd(ctx, *pwbufp);
2170	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2171	return res;
2172	}
2173	#define INIT_FGETPWENT_R \
2174	COMMON_INTERCEPT_FUNCTION(fgetpwent_r);
2175	#else
2176	#define INIT_FGETPWENT_R
2177	#endif
2178
2179	#if SANITIZER_INTERCEPT_FGETGRENT_R
2180	INTERCEPTOR(int, fgetgrent_r, void *fp, __sanitizer_group *pwbuf, char *buf,
2181	SIZE_T buflen, __sanitizer_group **pwbufp) {
2182	void *ctx;
2183	COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent_r, fp, pwbuf, buf, buflen, pwbufp);
2184	// FIXME: under ASan the call below may write to freed memory and corrupt
2185	// its metadata. See
2186	// https://github.com/google/sanitizers/issues/321.
2187	int res = REAL(fgetgrent_r)(fp, pwbuf, buf, buflen, pwbufp);
2188	if (!res && pwbufp)
2189	unpoison_group(ctx, *pwbufp);
2190	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2191	return res;
2192	}
2193	#define INIT_FGETGRENT_R \
2194	COMMON_INTERCEPT_FUNCTION(fgetgrent_r);
2195	#else
2196	#define INIT_FGETGRENT_R
2197	#endif
2198
2199	#if SANITIZER_INTERCEPT_SETPWENT
2200	// The only thing these interceptors do is disable any nested interceptors.
2201	// These functions may open nss modules and call uninstrumented functions from
2202	// them, and we don't want things like strlen() to trigger.
2203	INTERCEPTOR(void, setpwent, int dummy) {
2204	void *ctx;
2205	COMMON_INTERCEPTOR_ENTER(ctx, setpwent, dummy);
2206	REAL(setpwent)(dummy);
2207	}
2208	INTERCEPTOR(void, endpwent, int dummy) {
2209	void *ctx;
2210	COMMON_INTERCEPTOR_ENTER(ctx, endpwent, dummy);
2211	REAL(endpwent)(dummy);
2212	}
2213	INTERCEPTOR(void, setgrent, int dummy) {
2214	void *ctx;
2215	COMMON_INTERCEPTOR_ENTER(ctx, setgrent, dummy);
2216	REAL(setgrent)(dummy);
2217	}
2218	INTERCEPTOR(void, endgrent, int dummy) {
2219	void *ctx;
2220	COMMON_INTERCEPTOR_ENTER(ctx, endgrent, dummy);
2221	REAL(endgrent)(dummy);
2222	}
2223	#define INIT_SETPWENT \
2224	COMMON_INTERCEPT_FUNCTION(setpwent); \
2225	COMMON_INTERCEPT_FUNCTION(endpwent); \
2226	COMMON_INTERCEPT_FUNCTION(setgrent); \
2227	COMMON_INTERCEPT_FUNCTION(endgrent);
2228	#else
2229	#define INIT_SETPWENT
2230	#endif
2231
2232	#if SANITIZER_INTERCEPT_CLOCK_GETTIME
2233	INTERCEPTOR(int, clock_getres, u32 clk_id, void *tp) {
2234	void *ctx;
2235	COMMON_INTERCEPTOR_ENTER(ctx, clock_getres, clk_id, tp);
2236	// FIXME: under ASan the call below may write to freed memory and corrupt
2237	// its metadata. See
2238	// https://github.com/google/sanitizers/issues/321.
2239	int res = REAL(clock_getres)(clk_id, tp);
2240	if (!res && tp) {
2241	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz);
2242	}
2243	return res;
2244	}
2245	INTERCEPTOR(int, clock_gettime, u32 clk_id, void *tp) {
2246	void *ctx;
2247	COMMON_INTERCEPTOR_ENTER(ctx, clock_gettime, clk_id, tp);
2248	// FIXME: under ASan the call below may write to freed memory and corrupt
2249	// its metadata. See
2250	// https://github.com/google/sanitizers/issues/321.
2251	int res = REAL(clock_gettime)(clk_id, tp);
2252	if (!res) {
2253	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz);
2254	}
2255	return res;
2256	}
2257	#if SANITIZER_GLIBC
2258	namespace __sanitizer {
2259	extern "C" {
2260	int real_clock_gettime(u32 clk_id, void *tp) {
2261	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
2262	return internal_clock_gettime(clk_id, tp);
2263	return REAL(clock_gettime)(clk_id, tp);
2264	}
2265	} // extern "C"
2266	} // namespace __sanitizer
2267	#endif
2268	INTERCEPTOR(int, clock_settime, u32 clk_id, const void *tp) {
2269	void *ctx;
2270	COMMON_INTERCEPTOR_ENTER(ctx, clock_settime, clk_id, tp);
2271	COMMON_INTERCEPTOR_READ_RANGE(ctx, tp, struct_timespec_sz);
2272	return REAL(clock_settime)(clk_id, tp);
2273	}
2274	#define INIT_CLOCK_GETTIME \
2275	COMMON_INTERCEPT_FUNCTION(clock_getres); \
2276	COMMON_INTERCEPT_FUNCTION(clock_gettime); \
2277	COMMON_INTERCEPT_FUNCTION(clock_settime);
2278	#else
2279	#define INIT_CLOCK_GETTIME
2280	#endif
2281
2282	#if SANITIZER_INTERCEPT_CLOCK_GETCPUCLOCKID
2283	INTERCEPTOR(int, clock_getcpuclockid, pid_t pid,
2284	__sanitizer_clockid_t *clockid) {
2285	void *ctx;
2286	COMMON_INTERCEPTOR_ENTER(ctx, clock_getcpuclockid, pid, clockid);
2287	int res = REAL(clock_getcpuclockid)(pid, clockid);
2288	if (!res && clockid) {
2289	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, clockid, sizeof *clockid);
2290	}
2291	return res;
2292	}
2293
2294	INTERCEPTOR(int, pthread_getcpuclockid, uptr thread,
2295	__sanitizer_clockid_t *clockid) {
2296	void *ctx;
2297	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getcpuclockid, thread, clockid);
2298	int res = REAL(pthread_getcpuclockid)(thread, clockid);
2299	if (!res && clockid) {
2300	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, clockid, sizeof *clockid);
2301	}
2302	return res;
2303	}
2304
2305	#define INIT_CLOCK_GETCPUCLOCKID \
2306	COMMON_INTERCEPT_FUNCTION(clock_getcpuclockid); \
2307	COMMON_INTERCEPT_FUNCTION(pthread_getcpuclockid);
2308	#else
2309	#define INIT_CLOCK_GETCPUCLOCKID
2310	#endif
2311
2312	#if SANITIZER_INTERCEPT_TIMER_CREATE
2313	INTERCEPTOR(int, timer_create, __sanitizer_clockid_t clockid, void *sevp,
2314	__sanitizer_timer_t *timer) {
2315	void *ctx;
2316	COMMON_INTERCEPTOR_ENTER(ctx, timer_create, clockid, sevp, timer);
2317	int res = REAL(timer_create)(clockid, sevp, timer);
2318	if (!res && timer) {
2319	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, timer, sizeof *timer);
2320	}
2321	return res;
2322	}
2323
2324	INTERCEPTOR(int, timer_delete, __sanitizer_timer_t timer) {
2325	void *ctx;
2326	COMMON_INTERCEPTOR_ENTER(ctx, timer_delete, timer);
2327	int res = REAL(timer_delete)(timer);
2328	return res;
2329	}
2330
2331	INTERCEPTOR(int, timer_gettime, __sanitizer_timer_t timer,
2332	struct __sanitizer_itimerspec *curr_value) {
2333	void *ctx;
2334	COMMON_INTERCEPTOR_ENTER(ctx, timer_gettime, timer, curr_value);
2335	int res = REAL(timer_gettime)(timer, curr_value);
2336	if (!res && curr_value) {
2337	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, sizeof *curr_value);
2338	}
2339	return res;
2340	}
2341
2342	INTERCEPTOR(int, timer_settime, __sanitizer_timer_t timer, int flags,
2343	const struct __sanitizer_itimerspec *new_value,
2344	struct __sanitizer_itimerspec *old_value) {
2345	void *ctx;
2346	COMMON_INTERCEPTOR_ENTER(ctx, timer_settime, timer, flags, new_value,
2347	old_value);
2348	int res = REAL(timer_settime)(timer, flags, new_value, old_value);
2349	if (!res) {
2350	if (new_value)
2351	COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, sizeof *new_value);
2352	if (old_value)
2353	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, sizeof *old_value);
2354	}
2355	return res;
2356	}
2357
2358	# define INIT_TIMER_CREATE \
2359	COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(timer_create, "GLIBC_2.3.3"); \
2360	COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(timer_delete, "GLIBC_2.3.3"); \
2361	COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(timer_gettime, "GLIBC_2.3.3"); \
2362	COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(timer_settime, "GLIBC_2.3.3");
2363	#else
2364	# define INIT_TIMER_CREATE
2365	#endif
2366
2367	#if SANITIZER_INTERCEPT_GETITIMER
2368	INTERCEPTOR(int, getitimer, int which, void *curr_value) {
2369	void *ctx;
2370	COMMON_INTERCEPTOR_ENTER(ctx, getitimer, which, curr_value);
2371	// FIXME: under ASan the call below may write to freed memory and corrupt
2372	// its metadata. See
2373	// https://github.com/google/sanitizers/issues/321.
2374	int res = REAL(getitimer)(which, curr_value);
2375	if (!res && curr_value) {
2376	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerval_sz);
2377	}
2378	return res;
2379	}
2380	INTERCEPTOR(int, setitimer, int which, const void *new_value, void *old_value) {
2381	void *ctx;
2382	COMMON_INTERCEPTOR_ENTER(ctx, setitimer, which, new_value, old_value);
2383	if (new_value) {
2384	// itimerval can contain padding that may be legitimately uninitialized
2385	const struct __sanitizer_itimerval *nv =
2386	(const struct __sanitizer_itimerval *)new_value;
2387	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_interval.tv_sec,
2388	sizeof(__sanitizer_time_t));
2389	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_interval.tv_usec,
2390	sizeof(__sanitizer_suseconds_t));
2391	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_value.tv_sec,
2392	sizeof(__sanitizer_time_t));
2393	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_value.tv_usec,
2394	sizeof(__sanitizer_suseconds_t));
2395	}
2396	// FIXME: under ASan the call below may write to freed memory and corrupt
2397	// its metadata. See
2398	// https://github.com/google/sanitizers/issues/321.
2399	int res = REAL(setitimer)(which, new_value, old_value);
2400	if (!res && old_value) {
2401	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerval_sz);
2402	}
2403	return res;
2404	}
2405	#define INIT_GETITIMER \
2406	COMMON_INTERCEPT_FUNCTION(getitimer); \
2407	COMMON_INTERCEPT_FUNCTION(setitimer);
2408	#else
2409	#define INIT_GETITIMER
2410	#endif
2411
2412	#if SANITIZER_INTERCEPT_TIMESPEC_GET
2413	INTERCEPTOR(int, timespec_get, struct __sanitizer_timespec *ts, int base) {
2414	void *ctx;
2415	COMMON_INTERCEPTOR_ENTER(ctx, timespec_get, ts, base);
2416	// We don't yet know if ts is addressable, so we use our own scratch buffer
2417	struct __sanitizer_timespec ts_local;
2418	int res = REAL(timespec_get)(&ts_local, base);
2419	if (res) {
2420	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ts,
2421	sizeof(struct __sanitizer_timespec));
2422	internal_memcpy(ts, &ts_local, sizeof(struct __sanitizer_timespec));
2423	}
2424	return res;
2425	}
2426	# define INIT_TIMESPEC_GET COMMON_INTERCEPT_FUNCTION(timespec_get);
2427	#else
2428	# define INIT_TIMESPEC_GET
2429	#endif
2430
2431	#if SANITIZER_INTERCEPT_GLOB
2432	static void unpoison_glob_t(void *ctx, __sanitizer_glob_t *pglob) {
2433	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pglob, sizeof(*pglob));
2434	// +1 for NULL pointer at the end.
2435	if (pglob->gl_pathv)
2436	COMMON_INTERCEPTOR_WRITE_RANGE(
2437	ctx, pglob->gl_pathv, (pglob->gl_pathc + 1) * sizeof(*pglob->gl_pathv));
2438	for (SIZE_T i = 0; i < pglob->gl_pathc; ++i) {
2439	char *p = pglob->gl_pathv[i];
2440	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, internal_strlen(p) + 1);
2441	}
2442	}
2443
2444	#if SANITIZER_SOLARIS
2445	INTERCEPTOR(int, glob, const char *pattern, int flags,
2446	int (*errfunc)(const char *epath, int eerrno),
2447	__sanitizer_glob_t *pglob) {
2448	void *ctx;
2449	COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob);
2450	COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0);
2451	int res = REAL(glob)(pattern, flags, errfunc, pglob);
2452	if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
2453	return res;
2454	}
2455	#else
2456	static THREADLOCAL __sanitizer_glob_t *pglob_copy;
2457
2458	static void wrapped_gl_closedir(void *dir) {
2459	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
2460	pglob_copy->gl_closedir(dir);
2461	}
2462
2463	static void *wrapped_gl_readdir(void *dir) {
2464	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
2465	return pglob_copy->gl_readdir(dir);
2466	}
2467
2468	static void *wrapped_gl_opendir(const char *s) {
2469	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
2470	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, internal_strlen(s) + 1);
2471	return pglob_copy->gl_opendir(s);
2472	}
2473
2474	static int wrapped_gl_lstat(const char *s, void *st) {
2475	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
2476	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, internal_strlen(s) + 1);
2477	return pglob_copy->gl_lstat(s, st);
2478	}
2479
2480	static int wrapped_gl_stat(const char *s, void *st) {
2481	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
2482	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, internal_strlen(s) + 1);
2483	return pglob_copy->gl_stat(s, st);
2484	}
2485
2486	static const __sanitizer_glob_t kGlobCopy = {
2487	0, 0, 0,
2488	0, wrapped_gl_closedir, wrapped_gl_readdir,
2489	wrapped_gl_opendir, wrapped_gl_lstat, wrapped_gl_stat};
2490
2491	INTERCEPTOR(int, glob, const char *pattern, int flags,
2492	int (*errfunc)(const char *epath, int eerrno),
2493	__sanitizer_glob_t *pglob) {
2494	void *ctx;
2495	COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob);
2496	COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0);
2497	__sanitizer_glob_t glob_copy;
2498	internal_memcpy(&glob_copy, &kGlobCopy, sizeof(glob_copy));
2499	if (flags & glob_altdirfunc) {
2500	Swap(pglob->gl_closedir, glob_copy.gl_closedir);
2501	Swap(pglob->gl_readdir, glob_copy.gl_readdir);
2502	Swap(pglob->gl_opendir, glob_copy.gl_opendir);
2503	Swap(pglob->gl_lstat, glob_copy.gl_lstat);
2504	Swap(pglob->gl_stat, glob_copy.gl_stat);
2505	pglob_copy = &glob_copy;
2506	}
2507	int res = REAL(glob)(pattern, flags, errfunc, pglob);
2508	if (flags & glob_altdirfunc) {
2509	Swap(pglob->gl_closedir, glob_copy.gl_closedir);
2510	Swap(pglob->gl_readdir, glob_copy.gl_readdir);
2511	Swap(pglob->gl_opendir, glob_copy.gl_opendir);
2512	Swap(pglob->gl_lstat, glob_copy.gl_lstat);
2513	Swap(pglob->gl_stat, glob_copy.gl_stat);
2514	}
2515	pglob_copy = 0;
2516	if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
2517	return res;
2518	}
2519	#endif // SANITIZER_SOLARIS
2520	#define INIT_GLOB \
2521	COMMON_INTERCEPT_FUNCTION(glob);
2522	#else // SANITIZER_INTERCEPT_GLOB
2523	#define INIT_GLOB
2524	#endif // SANITIZER_INTERCEPT_GLOB
2525
2526	#if SANITIZER_INTERCEPT_GLOB64
2527	INTERCEPTOR(int, glob64, const char *pattern, int flags,
2528	int (*errfunc)(const char *epath, int eerrno),
2529	__sanitizer_glob_t *pglob) {
2530	void *ctx;
2531	COMMON_INTERCEPTOR_ENTER(ctx, glob64, pattern, flags, errfunc, pglob);
2532	COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0);
2533	__sanitizer_glob_t glob_copy;
2534	internal_memcpy(&glob_copy, &kGlobCopy, sizeof(glob_copy));
2535	if (flags & glob_altdirfunc) {
2536	Swap(pglob->gl_closedir, glob_copy.gl_closedir);
2537	Swap(pglob->gl_readdir, glob_copy.gl_readdir);
2538	Swap(pglob->gl_opendir, glob_copy.gl_opendir);
2539	Swap(pglob->gl_lstat, glob_copy.gl_lstat);
2540	Swap(pglob->gl_stat, glob_copy.gl_stat);
2541	pglob_copy = &glob_copy;
2542	}
2543	int res = REAL(glob64)(pattern, flags, errfunc, pglob);
2544	if (flags & glob_altdirfunc) {
2545	Swap(pglob->gl_closedir, glob_copy.gl_closedir);
2546	Swap(pglob->gl_readdir, glob_copy.gl_readdir);
2547	Swap(pglob->gl_opendir, glob_copy.gl_opendir);
2548	Swap(pglob->gl_lstat, glob_copy.gl_lstat);
2549	Swap(pglob->gl_stat, glob_copy.gl_stat);
2550	}
2551	pglob_copy = 0;
2552	if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
2553	return res;
2554	}
2555	#define INIT_GLOB64 \
2556	COMMON_INTERCEPT_FUNCTION(glob64);
2557	#else // SANITIZER_INTERCEPT_GLOB64
2558	#define INIT_GLOB64
2559	#endif // SANITIZER_INTERCEPT_GLOB64
2560
2561	#if SANITIZER_INTERCEPT___B64_TO
2562	INTERCEPTOR(int, __b64_ntop, unsigned char const *src, SIZE_T srclength,
2563	char *target, SIZE_T targsize) {
2564	void *ctx;
2565	COMMON_INTERCEPTOR_ENTER(ctx, __b64_ntop, src, srclength, target, targsize);
2566	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, srclength);
2567	int res = REAL(__b64_ntop)(src, srclength, target, targsize);
2568	if (res >= 0)
2569	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, target, res + 1);
2570	return res;
2571	}
2572	INTERCEPTOR(int, __b64_pton, char const *src, char *target, SIZE_T targsize) {
2573	void *ctx;
2574	COMMON_INTERCEPTOR_ENTER(ctx, __b64_pton, src, target, targsize);
2575	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
2576	int res = REAL(__b64_pton)(src, target, targsize);
2577	if (res >= 0)
2578	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, target, res);
2579	return res;
2580	}
2581	#define INIT___B64_TO \
2582	COMMON_INTERCEPT_FUNCTION(__b64_ntop); \
2583	COMMON_INTERCEPT_FUNCTION(__b64_pton);
2584	#else // SANITIZER_INTERCEPT___B64_TO
2585	#define INIT___B64_TO
2586	#endif // SANITIZER_INTERCEPT___B64_TO
2587
2588	#if SANITIZER_INTERCEPT_DN_COMP_EXPAND
2589	# if __GLIBC_PREREQ(2, 34)
2590	// Changed with https://sourceware.org/git/?p=glibc.git;h=640bbdf
2591	# define DN_COMP_INTERCEPTOR_NAME dn_comp
2592	# define DN_EXPAND_INTERCEPTOR_NAME dn_expand
2593	# else
2594	# define DN_COMP_INTERCEPTOR_NAME __dn_comp
2595	# define DN_EXPAND_INTERCEPTOR_NAME __dn_expand
2596	# endif
2597	INTERCEPTOR(int, DN_COMP_INTERCEPTOR_NAME, unsigned char *exp_dn,
2598	unsigned char *comp_dn, int length, unsigned char **dnptrs,
2599	unsigned char **lastdnptr) {
2600	void *ctx;
2601	COMMON_INTERCEPTOR_ENTER(ctx, DN_COMP_INTERCEPTOR_NAME, exp_dn, comp_dn,
2602	length, dnptrs, lastdnptr);
2603	int res = REAL(DN_COMP_INTERCEPTOR_NAME)(exp_dn, comp_dn, length, dnptrs,
2604	lastdnptr);
2605	if (res >= 0) {
2606	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, comp_dn, res);
2607	if (dnptrs && lastdnptr) {
2608	unsigned char **p = dnptrs;
2609	for (; p != lastdnptr && *p; ++p)
2610	;
2611	if (p != lastdnptr)
2612	++p;
2613	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dnptrs, (p - dnptrs) * sizeof(*p));
2614	}
2615	}
2616	return res;
2617	}
2618	INTERCEPTOR(int, DN_EXPAND_INTERCEPTOR_NAME, unsigned char const *base,
2619	unsigned char const *end, unsigned char const *src, char *dest,
2620	int space) {
2621	void *ctx;
2622	COMMON_INTERCEPTOR_ENTER(ctx, DN_EXPAND_INTERCEPTOR_NAME, base, end, src,
2623	dest, space);
2624	// TODO: add read check if __dn_comp intercept added
2625	int res = REAL(DN_EXPAND_INTERCEPTOR_NAME)(base, end, src, dest, space);
2626	if (res >= 0)
2627	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, internal_strlen(dest) + 1);
2628	return res;
2629	}
2630	# define INIT_DN_COMP_EXPAND \
2631	COMMON_INTERCEPT_FUNCTION(DN_COMP_INTERCEPTOR_NAME); \
2632	COMMON_INTERCEPT_FUNCTION(DN_EXPAND_INTERCEPTOR_NAME);
2633	#else // SANITIZER_INTERCEPT_DN_COMP_EXPAND
2634	# define INIT_DN_COMP_EXPAND
2635	#endif // SANITIZER_INTERCEPT_DN_COMP_EXPAND
2636
2637	#if SANITIZER_INTERCEPT_POSIX_SPAWN
2638
2639	template <class RealSpawnPtr>
2640	static int PosixSpawnImpl(void *ctx, RealSpawnPtr *real_posix_spawn, pid_t *pid,
2641	const char *file_or_path, const void *file_actions,
2642	const void *attrp, char *const argv[],
2643	char *const envp[]) {
2644	COMMON_INTERCEPTOR_READ_RANGE(ctx, file_or_path,
2645	internal_strlen(file_or_path) + 1);
2646	if (argv) {
2647	for (char *const *s = argv; ; ++s) {
2648	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(*s));
2649	if (!*s) break;
2650	COMMON_INTERCEPTOR_READ_RANGE(ctx, *s, internal_strlen(*s) + 1);
2651	}
2652	}
2653	if (envp) {
2654	for (char *const *s = envp; ; ++s) {
2655	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(*s));
2656	if (!*s) break;
2657	COMMON_INTERCEPTOR_READ_RANGE(ctx, *s, internal_strlen(*s) + 1);
2658	}
2659	}
2660	int res =
2661	real_posix_spawn(pid, file_or_path, file_actions, attrp, argv, envp);
2662	if (res == 0)
2663	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pid, sizeof(*pid));
2664	return res;
2665	}
2666	INTERCEPTOR(int, posix_spawn, pid_t *pid, const char *path,
2667	const void *file_actions, const void *attrp, char *const argv[],
2668	char *const envp[]) {
2669	void *ctx;
2670	COMMON_INTERCEPTOR_ENTER(ctx, posix_spawn, pid, path, file_actions, attrp,
2671	argv, envp);
2672	return PosixSpawnImpl(ctx, REAL(posix_spawn), pid, path, file_actions, attrp,
2673	argv, envp);
2674	}
2675	INTERCEPTOR(int, posix_spawnp, pid_t *pid, const char *file,
2676	const void *file_actions, const void *attrp, char *const argv[],
2677	char *const envp[]) {
2678	void *ctx;
2679	COMMON_INTERCEPTOR_ENTER(ctx, posix_spawnp, pid, file, file_actions, attrp,
2680	argv, envp);
2681	return PosixSpawnImpl(ctx, REAL(posix_spawnp), pid, file, file_actions, attrp,
2682	argv, envp);
2683	}
2684	# define INIT_POSIX_SPAWN \
2685	COMMON_INTERCEPT_FUNCTION(posix_spawn); \
2686	COMMON_INTERCEPT_FUNCTION(posix_spawnp);
2687	#else // SANITIZER_INTERCEPT_POSIX_SPAWN
2688	# define INIT_POSIX_SPAWN
2689	#endif // SANITIZER_INTERCEPT_POSIX_SPAWN
2690
2691	#if SANITIZER_INTERCEPT_WAIT
2692	// According to sys/wait.h, wait(), waitid(), waitpid() may have symbol version
2693	// suffixes on Darwin. See the declaration of INTERCEPTOR_WITH_SUFFIX for
2694	// details.
2695	INTERCEPTOR_WITH_SUFFIX(int, wait, int *status) {
2696	void *ctx;
2697	COMMON_INTERCEPTOR_ENTER(ctx, wait, status);
2698	// FIXME: under ASan the call below may write to freed memory and corrupt
2699	// its metadata. See
2700	// https://github.com/google/sanitizers/issues/321.
2701	int res = COMMON_INTERCEPTOR_BLOCK_REAL(wait)(status);
2702	if (res != -1 && status)
2703	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2704	return res;
2705	}
2706	// On FreeBSD id_t is always 64-bit wide.
2707	#if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
2708	INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, long long id, void *infop,
2709	int options) {
2710	#else
2711	INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, int id, void *infop,
2712	int options) {
2713	#endif
2714	void *ctx;
2715	COMMON_INTERCEPTOR_ENTER(ctx, waitid, idtype, id, infop, options);
2716	// FIXME: under ASan the call below may write to freed memory and corrupt
2717	// its metadata. See
2718	// https://github.com/google/sanitizers/issues/321.
2719	int res = COMMON_INTERCEPTOR_BLOCK_REAL(waitid)(idtype, id, infop, options);
2720	if (res != -1 && infop)
2721	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, infop, siginfo_t_sz);
2722	return res;
2723	}
2724	INTERCEPTOR_WITH_SUFFIX(int, waitpid, int pid, int *status, int options) {
2725	void *ctx;
2726	COMMON_INTERCEPTOR_ENTER(ctx, waitpid, pid, status, options);
2727	// FIXME: under ASan the call below may write to freed memory and corrupt
2728	// its metadata. See
2729	// https://github.com/google/sanitizers/issues/321.
2730	int res = COMMON_INTERCEPTOR_BLOCK_REAL(waitpid)(pid, status, options);
2731	if (res != -1 && status)
2732	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2733	return res;
2734	}
2735	INTERCEPTOR(int, wait3, int *status, int options, void *rusage) {
2736	void *ctx;
2737	COMMON_INTERCEPTOR_ENTER(ctx, wait3, status, options, rusage);
2738	// FIXME: under ASan the call below may write to freed memory and corrupt
2739	// its metadata. See
2740	// https://github.com/google/sanitizers/issues/321.
2741	int res = COMMON_INTERCEPTOR_BLOCK_REAL(wait3)(status, options, rusage);
2742	if (res != -1) {
2743	if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2744	if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
2745	}
2746	return res;
2747	}
2748	#if SANITIZER_ANDROID
2749	INTERCEPTOR(int, __wait4, int pid, int *status, int options, void *rusage) {
2750	void *ctx;
2751	COMMON_INTERCEPTOR_ENTER(ctx, __wait4, pid, status, options, rusage);
2752	// FIXME: under ASan the call below may write to freed memory and corrupt
2753	// its metadata. See
2754	// https://github.com/google/sanitizers/issues/321.
2755	int res =
2756	COMMON_INTERCEPTOR_BLOCK_REAL(__wait4)(pid, status, options, rusage);
2757	if (res != -1) {
2758	if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2759	if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
2760	}
2761	return res;
2762	}
2763	#define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(__wait4);
2764	#else
2765	INTERCEPTOR(int, wait4, int pid, int *status, int options, void *rusage) {
2766	void *ctx;
2767	COMMON_INTERCEPTOR_ENTER(ctx, wait4, pid, status, options, rusage);
2768	// FIXME: under ASan the call below may write to freed memory and corrupt
2769	// its metadata. See
2770	// https://github.com/google/sanitizers/issues/321.
2771	int res = COMMON_INTERCEPTOR_BLOCK_REAL(wait4)(pid, status, options, rusage);
2772	if (res != -1) {
2773	if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2774	if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
2775	}
2776	return res;
2777	}
2778	#define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(wait4);
2779	#endif // SANITIZER_ANDROID
2780	#define INIT_WAIT \
2781	COMMON_INTERCEPT_FUNCTION(wait); \
2782	COMMON_INTERCEPT_FUNCTION(waitid); \
2783	COMMON_INTERCEPT_FUNCTION(waitpid); \
2784	COMMON_INTERCEPT_FUNCTION(wait3);
2785	#else
2786	#define INIT_WAIT
2787	#define INIT_WAIT4
2788	#endif
2789
2790	#if SANITIZER_INTERCEPT_INET
2791	INTERCEPTOR(char *, inet_ntop, int af, const void *src, char *dst, u32 size) {
2792	void *ctx;
2793	COMMON_INTERCEPTOR_ENTER(ctx, inet_ntop, af, src, dst, size);
2794	uptr sz = __sanitizer_in_addr_sz(af);
2795	if (sz) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sz);
2796	// FIXME: figure out read size based on the address family.
2797	// FIXME: under ASan the call below may write to freed memory and corrupt
2798	// its metadata. See
2799	// https://github.com/google/sanitizers/issues/321.
2800	char *res = REAL(inet_ntop)(af, src, dst, size);
2801	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
2802	return res;
2803	}
2804	INTERCEPTOR(int, inet_pton, int af, const char *src, void *dst) {
2805	void *ctx;
2806	COMMON_INTERCEPTOR_ENTER(ctx, inet_pton, af, src, dst);
2807	COMMON_INTERCEPTOR_READ_STRING(ctx, src, 0);
2808	// FIXME: figure out read size based on the address family.
2809	// FIXME: under ASan the call below may write to freed memory and corrupt
2810	// its metadata. See
2811	// https://github.com/google/sanitizers/issues/321.
2812	int res = REAL(inet_pton)(af, src, dst);
2813	if (res == 1) {
2814	uptr sz = __sanitizer_in_addr_sz(af);
2815	if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz);
2816	}
2817	return res;
2818	}
2819	#define INIT_INET \
2820	COMMON_INTERCEPT_FUNCTION(inet_ntop); \
2821	COMMON_INTERCEPT_FUNCTION(inet_pton);
2822	#else
2823	#define INIT_INET
2824	#endif
2825
2826	#if SANITIZER_INTERCEPT_INET
2827	INTERCEPTOR(int, inet_aton, const char *cp, void *dst) {
2828	void *ctx;
2829	COMMON_INTERCEPTOR_ENTER(ctx, inet_aton, cp, dst);
2830	if (cp) COMMON_INTERCEPTOR_READ_RANGE(ctx, cp, internal_strlen(cp) + 1);
2831	// FIXME: under ASan the call below may write to freed memory and corrupt
2832	// its metadata. See
2833	// https://github.com/google/sanitizers/issues/321.
2834	int res = REAL(inet_aton)(cp, dst);
2835	if (res != 0) {
2836	uptr sz = __sanitizer_in_addr_sz(af_inet);
2837	if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz);
2838	}
2839	return res;
2840	}
2841	#define INIT_INET_ATON COMMON_INTERCEPT_FUNCTION(inet_aton);
2842	#else
2843	#define INIT_INET_ATON
2844	#endif
2845
2846	#if SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM
2847	INTERCEPTOR(int, pthread_getschedparam, uptr thread, int *policy, int *param) {
2848	void *ctx;
2849	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getschedparam, thread, policy, param);
2850	// FIXME: under ASan the call below may write to freed memory and corrupt
2851	// its metadata. See
2852	// https://github.com/google/sanitizers/issues/321.
2853	int res = REAL(pthread_getschedparam)(thread, policy, param);
2854	if (res == 0) {
2855	if (policy) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, policy, sizeof(*policy));
2856	if (param) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, sizeof(*param));
2857	}
2858	return res;
2859	}
2860	#define INIT_PTHREAD_GETSCHEDPARAM \
2861	COMMON_INTERCEPT_FUNCTION(pthread_getschedparam);
2862	#else
2863	#define INIT_PTHREAD_GETSCHEDPARAM
2864	#endif
2865
2866	#if SANITIZER_INTERCEPT_GETADDRINFO
2867	INTERCEPTOR(int, getaddrinfo, char *node, char *service,
2868	struct __sanitizer_addrinfo *hints,
2869	struct __sanitizer_addrinfo **out) {
2870	void *ctx;
2871	COMMON_INTERCEPTOR_ENTER(ctx, getaddrinfo, node, service, hints, out);
2872	if (node) COMMON_INTERCEPTOR_READ_RANGE(ctx, node, internal_strlen(node) + 1);
2873	if (service)
2874	COMMON_INTERCEPTOR_READ_RANGE(ctx, service, internal_strlen(service) + 1);
2875	if (hints)
2876	COMMON_INTERCEPTOR_READ_RANGE(ctx, hints, sizeof(__sanitizer_addrinfo));
2877	// FIXME: under ASan the call below may write to freed memory and corrupt
2878	// its metadata. See
2879	// https://github.com/google/sanitizers/issues/321.
2880	int res = REAL(getaddrinfo)(node, service, hints, out);
2881	if (res == 0 && out) {
2882	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, out, sizeof(*out));
2883	struct __sanitizer_addrinfo *p = *out;
2884	while (p) {
2885	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
2886	if (p->ai_addr)
2887	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_addr, p->ai_addrlen);
2888	if (p->ai_canonname)
2889	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_canonname,
2890	internal_strlen(p->ai_canonname) + 1);
2891	p = p->ai_next;
2892	}
2893	}
2894	return res;
2895	}
2896	#define INIT_GETADDRINFO COMMON_INTERCEPT_FUNCTION(getaddrinfo);
2897	#else
2898	#define INIT_GETADDRINFO
2899	#endif
2900
2901	#if SANITIZER_INTERCEPT_GETNAMEINFO
2902	INTERCEPTOR(int, getnameinfo, void *sockaddr, unsigned salen, char *host,
2903	unsigned hostlen, char *serv, unsigned servlen, int flags) {
2904	void *ctx;
2905	COMMON_INTERCEPTOR_ENTER(ctx, getnameinfo, sockaddr, salen, host, hostlen,
2906	serv, servlen, flags);
2907	// FIXME: consider adding READ_RANGE(sockaddr, salen)
2908	// There is padding in in_addr that may make this too noisy
2909	// FIXME: under ASan the call below may write to freed memory and corrupt
2910	// its metadata. See
2911	// https://github.com/google/sanitizers/issues/321.
2912	int res =
2913	REAL(getnameinfo)(sockaddr, salen, host, hostlen, serv, servlen, flags);
2914	if (res == 0) {
2915	if (host && hostlen)
2916	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, host, internal_strlen(host) + 1);
2917	if (serv && servlen)
2918	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, serv, internal_strlen(serv) + 1);
2919	}
2920	return res;
2921	}
2922	#define INIT_GETNAMEINFO COMMON_INTERCEPT_FUNCTION(getnameinfo);
2923	#else
2924	#define INIT_GETNAMEINFO
2925	#endif
2926
2927	#if SANITIZER_INTERCEPT_GETSOCKNAME
2928	INTERCEPTOR(int, getsockname, int sock_fd, void *addr, unsigned *addrlen) {
2929	void *ctx;
2930	COMMON_INTERCEPTOR_ENTER(ctx, getsockname, sock_fd, addr, addrlen);
2931	unsigned addr_sz;
2932	if (addrlen) {
2933	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
2934	addr_sz = *addrlen;
2935	}
2936	// FIXME: under ASan the call below may write to freed memory and corrupt
2937	// its metadata. See
2938	// https://github.com/google/sanitizers/issues/321.
2939	int res = REAL(getsockname)(sock_fd, addr, addrlen);
2940	if (!res && addr && addrlen) {
2941	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen));
2942	}
2943	return res;
2944	}
2945	#define INIT_GETSOCKNAME COMMON_INTERCEPT_FUNCTION(getsockname);
2946	#else
2947	#define INIT_GETSOCKNAME
2948	#endif
2949
2950	#if SANITIZER_INTERCEPT_GETHOSTBYNAME || SANITIZER_INTERCEPT_GETHOSTBYNAME_R
2951	static void write_hostent(void *ctx, struct __sanitizer_hostent *h) {
2952	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h, sizeof(__sanitizer_hostent));
2953	if (h->h_name)
2954	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h->h_name, internal_strlen(h->h_name) + 1);
2955	char **p = h->h_aliases;
2956	while (*p) {
2957	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, internal_strlen(*p) + 1);
2958	++p;
2959	}
2960	COMMON_INTERCEPTOR_WRITE_RANGE(
2961	ctx, h->h_aliases, (p - h->h_aliases + 1) * sizeof(*h->h_aliases));
2962	p = h->h_addr_list;
2963	while (*p) {
2964	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, h->h_length);
2965	++p;
2966	}
2967	COMMON_INTERCEPTOR_WRITE_RANGE(
2968	ctx, h->h_addr_list, (p - h->h_addr_list + 1) * sizeof(*h->h_addr_list));
2969	}
2970	#endif
2971
2972	#if SANITIZER_INTERCEPT_GETHOSTBYNAME
2973	INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname, char *name) {
2974	void *ctx;
2975	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname, name);
2976	struct __sanitizer_hostent *res = REAL(gethostbyname)(name);
2977	if (res) write_hostent(ctx, res);
2978	return res;
2979	}
2980
2981	INTERCEPTOR(struct __sanitizer_hostent *, gethostbyaddr, void *addr, int len,
2982	int type) {
2983	void *ctx;
2984	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr, addr, len, type);
2985	COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
2986	struct __sanitizer_hostent *res = REAL(gethostbyaddr)(addr, len, type);
2987	if (res) write_hostent(ctx, res);
2988	return res;
2989	}
2990
2991	INTERCEPTOR(struct __sanitizer_hostent *, gethostent, int fake) {
2992	void *ctx;
2993	COMMON_INTERCEPTOR_ENTER(ctx, gethostent, fake);
2994	struct __sanitizer_hostent *res = REAL(gethostent)(fake);
2995	if (res) write_hostent(ctx, res);
2996	return res;
2997	}
2998	#define INIT_GETHOSTBYNAME \
2999	COMMON_INTERCEPT_FUNCTION(gethostent); \
3000	COMMON_INTERCEPT_FUNCTION(gethostbyaddr); \
3001	COMMON_INTERCEPT_FUNCTION(gethostbyname);
3002	#else
3003	#define INIT_GETHOSTBYNAME
3004	#endif // SANITIZER_INTERCEPT_GETHOSTBYNAME
3005
3006	#if SANITIZER_INTERCEPT_GETHOSTBYNAME2
3007	INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname2, char *name, int af) {
3008	void *ctx;
3009	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2, name, af);
3010	struct __sanitizer_hostent *res = REAL(gethostbyname2)(name, af);
3011	if (res) write_hostent(ctx, res);
3012	return res;
3013	}
3014	#define INIT_GETHOSTBYNAME2 COMMON_INTERCEPT_FUNCTION(gethostbyname2);
3015	#else
3016	#define INIT_GETHOSTBYNAME2
3017	#endif // SANITIZER_INTERCEPT_GETHOSTBYNAME2
3018
3019	#if SANITIZER_INTERCEPT_GETHOSTBYNAME_R
3020	INTERCEPTOR(int, gethostbyname_r, char *name, struct __sanitizer_hostent *ret,
3021	char *buf, SIZE_T buflen, __sanitizer_hostent **result,
3022	int *h_errnop) {
3023	void *ctx;
3024	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname_r, name, ret, buf, buflen, result,
3025	h_errnop);
3026	// FIXME: under ASan the call below may write to freed memory and corrupt
3027	// its metadata. See
3028	// https://github.com/google/sanitizers/issues/321.
3029	int res = REAL(gethostbyname_r)(name, ret, buf, buflen, result, h_errnop);
3030	if (result) {
3031	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3032	if (res == 0 && *result) write_hostent(ctx, *result);
3033	}
3034	if (h_errnop)
3035	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
3036	return res;
3037	}
3038	#define INIT_GETHOSTBYNAME_R COMMON_INTERCEPT_FUNCTION(gethostbyname_r);
3039	#else
3040	#define INIT_GETHOSTBYNAME_R
3041	#endif
3042
3043	#if SANITIZER_INTERCEPT_GETHOSTENT_R
3044	INTERCEPTOR(int, gethostent_r, struct __sanitizer_hostent *ret, char *buf,
3045	SIZE_T buflen, __sanitizer_hostent **result, int *h_errnop) {
3046	void *ctx;
3047	COMMON_INTERCEPTOR_ENTER(ctx, gethostent_r, ret, buf, buflen, result,
3048	h_errnop);
3049	// FIXME: under ASan the call below may write to freed memory and corrupt
3050	// its metadata. See
3051	// https://github.com/google/sanitizers/issues/321.
3052	int res = REAL(gethostent_r)(ret, buf, buflen, result, h_errnop);
3053	if (result) {
3054	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3055	if (res == 0 && *result) write_hostent(ctx, *result);
3056	}
3057	if (h_errnop)
3058	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
3059	return res;
3060	}
3061	#define INIT_GETHOSTENT_R \
3062	COMMON_INTERCEPT_FUNCTION(gethostent_r);
3063	#else
3064	#define INIT_GETHOSTENT_R
3065	#endif
3066
3067	#if SANITIZER_INTERCEPT_GETHOSTBYADDR_R
3068	INTERCEPTOR(int, gethostbyaddr_r, void *addr, int len, int type,
3069	struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen,
3070	__sanitizer_hostent **result, int *h_errnop) {
3071	void *ctx;
3072	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr_r, addr, len, type, ret, buf,
3073	buflen, result, h_errnop);
3074	COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
3075	// FIXME: under ASan the call below may write to freed memory and corrupt
3076	// its metadata. See
3077	// https://github.com/google/sanitizers/issues/321.
3078	int res = REAL(gethostbyaddr_r)(addr, len, type, ret, buf, buflen, result,
3079	h_errnop);
3080	if (result) {
3081	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3082	if (res == 0 && *result) write_hostent(ctx, *result);
3083	}
3084	if (h_errnop)
3085	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
3086	return res;
3087	}
3088	#define INIT_GETHOSTBYADDR_R \
3089	COMMON_INTERCEPT_FUNCTION(gethostbyaddr_r);
3090	#else
3091	#define INIT_GETHOSTBYADDR_R
3092	#endif
3093
3094	#if SANITIZER_INTERCEPT_GETHOSTBYNAME2_R
3095	INTERCEPTOR(int, gethostbyname2_r, char *name, int af,
3096	struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen,
3097	__sanitizer_hostent **result, int *h_errnop) {
3098	void *ctx;
3099	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2_r, name, af, ret, buf, buflen,
3100	result, h_errnop);
3101	// FIXME: under ASan the call below may write to freed memory and corrupt
3102	// its metadata. See
3103	// https://github.com/google/sanitizers/issues/321.
3104	int res =
3105	REAL(gethostbyname2_r)(name, af, ret, buf, buflen, result, h_errnop);
3106	if (result) {
3107	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3108	if (res == 0 && *result) write_hostent(ctx, *result);
3109	}
3110	if (h_errnop)
3111	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
3112	return res;
3113	}
3114	#define INIT_GETHOSTBYNAME2_R \
3115	COMMON_INTERCEPT_FUNCTION(gethostbyname2_r);
3116	#else
3117	#define INIT_GETHOSTBYNAME2_R
3118	#endif
3119
3120	#if SANITIZER_INTERCEPT_GETSOCKOPT
3121	INTERCEPTOR(int, getsockopt, int sockfd, int level, int optname, void *optval,
3122	int *optlen) {
3123	void *ctx;
3124	COMMON_INTERCEPTOR_ENTER(ctx, getsockopt, sockfd, level, optname, optval,
3125	optlen);
3126	if (optlen) COMMON_INTERCEPTOR_READ_RANGE(ctx, optlen, sizeof(*optlen));
3127	// FIXME: under ASan the call below may write to freed memory and corrupt
3128	// its metadata. See
3129	// https://github.com/google/sanitizers/issues/321.
3130	int res = REAL(getsockopt)(sockfd, level, optname, optval, optlen);
3131	if (res == 0)
3132	if (optval && optlen) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, optval, *optlen);
3133	return res;
3134	}
3135	#define INIT_GETSOCKOPT COMMON_INTERCEPT_FUNCTION(getsockopt);
3136	#else
3137	#define INIT_GETSOCKOPT
3138	#endif
3139
3140	#if SANITIZER_INTERCEPT_ACCEPT
3141	INTERCEPTOR(int, accept, int fd, void *addr, unsigned *addrlen) {
3142	void *ctx;
3143	COMMON_INTERCEPTOR_ENTER(ctx, accept, fd, addr, addrlen);
3144	unsigned addrlen0 = 0;
3145	if (addrlen) {
3146	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3147	addrlen0 = *addrlen;
3148	}
3149	int fd2 = COMMON_INTERCEPTOR_BLOCK_REAL(accept)(fd, addr, addrlen);
3150	if (fd2 >= 0) {
3151	if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
3152	if (addr && addrlen)
3153	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
3154	}
3155	return fd2;
3156	}
3157	#define INIT_ACCEPT COMMON_INTERCEPT_FUNCTION(accept);
3158	#else
3159	#define INIT_ACCEPT
3160	#endif
3161
3162	#if SANITIZER_INTERCEPT_ACCEPT4
3163	INTERCEPTOR(int, accept4, int fd, void *addr, unsigned *addrlen, int f) {
3164	void *ctx;
3165	COMMON_INTERCEPTOR_ENTER(ctx, accept4, fd, addr, addrlen, f);
3166	unsigned addrlen0 = 0;
3167	if (addrlen) {
3168	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3169	addrlen0 = *addrlen;
3170	}
3171	// FIXME: under ASan the call below may write to freed memory and corrupt
3172	// its metadata. See
3173	// https://github.com/google/sanitizers/issues/321.
3174	int fd2 = COMMON_INTERCEPTOR_BLOCK_REAL(accept4)(fd, addr, addrlen, f);
3175	if (fd2 >= 0) {
3176	if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
3177	if (addr && addrlen)
3178	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
3179	}
3180	return fd2;
3181	}
3182	#define INIT_ACCEPT4 COMMON_INTERCEPT_FUNCTION(accept4);
3183	#else
3184	#define INIT_ACCEPT4
3185	#endif
3186
3187	#if SANITIZER_INTERCEPT_PACCEPT
3188	INTERCEPTOR(int, paccept, int fd, void *addr, unsigned *addrlen,
3189	__sanitizer_sigset_t *set, int f) {
3190	void *ctx;
3191	COMMON_INTERCEPTOR_ENTER(ctx, paccept, fd, addr, addrlen, set, f);
3192	unsigned addrlen0 = 0;
3193	if (addrlen) {
3194	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3195	addrlen0 = *addrlen;
3196	}
3197	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
3198	int fd2 = COMMON_INTERCEPTOR_BLOCK_REAL(paccept)(fd, addr, addrlen, set, f);
3199	if (fd2 >= 0) {
3200	if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
3201	if (addr && addrlen)
3202	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
3203	}
3204	return fd2;
3205	}
3206	#define INIT_PACCEPT COMMON_INTERCEPT_FUNCTION(paccept);
3207	#else
3208	#define INIT_PACCEPT
3209	#endif
3210
3211	#if SANITIZER_INTERCEPT_MODF
3212	INTERCEPTOR(double, modf, double x, double *iptr) {
3213	void *ctx;
3214	COMMON_INTERCEPTOR_ENTER(ctx, modf, x, iptr);
3215	// FIXME: under ASan the call below may write to freed memory and corrupt
3216	// its metadata. See
3217	// https://github.com/google/sanitizers/issues/321.
3218	double res = REAL(modf)(x, iptr);
3219	if (iptr) {
3220	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
3221	}
3222	return res;
3223	}
3224	INTERCEPTOR(float, modff, float x, float *iptr) {
3225	void *ctx;
3226	COMMON_INTERCEPTOR_ENTER(ctx, modff, x, iptr);
3227	// FIXME: under ASan the call below may write to freed memory and corrupt
3228	// its metadata. See
3229	// https://github.com/google/sanitizers/issues/321.
3230	float res = REAL(modff)(x, iptr);
3231	if (iptr) {
3232	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
3233	}
3234	return res;
3235	}
3236	INTERCEPTOR(long double, modfl, long double x, long double *iptr) {
3237	void *ctx;
3238	COMMON_INTERCEPTOR_ENTER(ctx, modfl, x, iptr);
3239	// FIXME: under ASan the call below may write to freed memory and corrupt
3240	// its metadata. See
3241	// https://github.com/google/sanitizers/issues/321.
3242	long double res = REAL(modfl)(x, iptr);
3243	if (iptr) {
3244	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
3245	}
3246	return res;
3247	}
3248	#define INIT_MODF \
3249	COMMON_INTERCEPT_FUNCTION(modf); \
3250	COMMON_INTERCEPT_FUNCTION(modff); \
3251	COMMON_INTERCEPT_FUNCTION_LDBL(modfl);
3252	#else
3253	#define INIT_MODF
3254	#endif
3255
3256	#if SANITIZER_INTERCEPT_RECVMSG || SANITIZER_INTERCEPT_RECVMMSG
3257	static void write_msghdr(void *ctx, struct __sanitizer_msghdr *msg,
3258	SSIZE_T maxlen) {
3259	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg, sizeof(*msg));
3260	if (msg->msg_name && msg->msg_namelen)
3261	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_name, msg->msg_namelen);
3262	if (msg->msg_iov && msg->msg_iovlen)
3263	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_iov,
3264	sizeof(*msg->msg_iov) * msg->msg_iovlen);
3265	write_iovec(ctx, msg->msg_iov, msg->msg_iovlen, maxlen);
3266	if (msg->msg_control && msg->msg_controllen)
3267	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_control, msg->msg_controllen);
3268	}
3269	#endif
3270
3271	#if SANITIZER_INTERCEPT_RECVMSG
3272	INTERCEPTOR(SSIZE_T, recvmsg, int fd, struct __sanitizer_msghdr *msg,
3273	int flags) {
3274	void *ctx;
3275	COMMON_INTERCEPTOR_ENTER(ctx, recvmsg, fd, msg, flags);
3276	// FIXME: under ASan the call below may write to freed memory and corrupt
3277	// its metadata. See
3278	// https://github.com/google/sanitizers/issues/321.
3279	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(recvmsg)(fd, msg, flags);
3280	if (res >= 0) {
3281	if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
3282	if (msg) {
3283	write_msghdr(ctx, msg, res);
3284	COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg);
3285	}
3286	}
3287	return res;
3288	}
3289	#define INIT_RECVMSG COMMON_INTERCEPT_FUNCTION(recvmsg);
3290	#else
3291	#define INIT_RECVMSG
3292	#endif
3293
3294	#if SANITIZER_INTERCEPT_RECVMMSG
3295	INTERCEPTOR(int, recvmmsg, int fd, struct __sanitizer_mmsghdr *msgvec,
3296	unsigned int vlen, int flags, void *timeout) {
3297	void *ctx;
3298	COMMON_INTERCEPTOR_ENTER(ctx, recvmmsg, fd, msgvec, vlen, flags, timeout);
3299	if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz);
3300	int res =
3301	COMMON_INTERCEPTOR_BLOCK_REAL(recvmmsg)(fd, msgvec, vlen, flags, timeout);
3302	if (res >= 0) {
3303	if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
3304	for (int i = 0; i < res; ++i) {
3305	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &msgvec[i].msg_len,
3306	sizeof(msgvec[i].msg_len));
3307	write_msghdr(ctx, &msgvec[i].msg_hdr, msgvec[i].msg_len);
3308	COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, &msgvec[i].msg_hdr);
3309	}
3310	}
3311	return res;
3312	}
3313	#define INIT_RECVMMSG COMMON_INTERCEPT_FUNCTION(recvmmsg);
3314	#else
3315	#define INIT_RECVMMSG
3316	#endif
3317
3318	#if SANITIZER_INTERCEPT_SENDMSG || SANITIZER_INTERCEPT_SENDMMSG
3319	static void read_msghdr_control(void *ctx, void *control, uptr controllen) {
3320	const unsigned kCmsgDataOffset =
3321	RoundUpTo(sizeof(__sanitizer_cmsghdr), sizeof(uptr));
3322
3323	char *p = (char *)control;
3324	char *const control_end = p + controllen;
3325	while (true) {
3326	if (p + sizeof(__sanitizer_cmsghdr) > control_end) break;
3327	__sanitizer_cmsghdr *cmsg = (__sanitizer_cmsghdr *)p;
3328	COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_len, sizeof(cmsg->cmsg_len));
3329
3330	if (p + RoundUpTo(cmsg->cmsg_len, sizeof(uptr)) > control_end) break;
3331
3332	COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_level,
3333	sizeof(cmsg->cmsg_level));
3334	COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_type,
3335	sizeof(cmsg->cmsg_type));
3336
3337	if (cmsg->cmsg_len > kCmsgDataOffset) {
3338	char *data = p + kCmsgDataOffset;
3339	unsigned data_len = cmsg->cmsg_len - kCmsgDataOffset;
3340	if (data_len > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, data, data_len);
3341	}
3342
3343	p += RoundUpTo(cmsg->cmsg_len, sizeof(uptr));
3344	}
3345	}
3346
3347	static void read_msghdr(void *ctx, struct __sanitizer_msghdr *msg,
3348	SSIZE_T maxlen) {
3349	#define R(f) \
3350	COMMON_INTERCEPTOR_READ_RANGE(ctx, &msg->msg_##f, sizeof(msg->msg_##f))
3351	R(name);
3352	R(namelen);
3353	R(iov);
3354	R(iovlen);
3355	R(control);
3356	R(controllen);
3357	R(flags);
3358	#undef R
3359	if (msg->msg_name && msg->msg_namelen)
3360	COMMON_INTERCEPTOR_READ_RANGE(ctx, msg->msg_name, msg->msg_namelen);
3361	if (msg->msg_iov && msg->msg_iovlen)
3362	COMMON_INTERCEPTOR_READ_RANGE(ctx, msg->msg_iov,
3363	sizeof(*msg->msg_iov) * msg->msg_iovlen);
3364	read_iovec(ctx, msg->msg_iov, msg->msg_iovlen, maxlen);
3365	if (msg->msg_control && msg->msg_controllen)
3366	read_msghdr_control(ctx, msg->msg_control, msg->msg_controllen);
3367	}
3368	#endif
3369
3370	#if SANITIZER_INTERCEPT_SENDMSG
3371	INTERCEPTOR(SSIZE_T, sendmsg, int fd, struct __sanitizer_msghdr *msg,
3372	int flags) {
3373	void *ctx;
3374	COMMON_INTERCEPTOR_ENTER(ctx, sendmsg, fd, msg, flags);
3375	if (fd >= 0) {
3376	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
3377	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
3378	}
3379	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(sendmsg)(fd, msg, flags);
3380	if (common_flags()->intercept_send && res >= 0 && msg)
3381	read_msghdr(ctx, msg, res);
3382	return res;
3383	}
3384	#define INIT_SENDMSG COMMON_INTERCEPT_FUNCTION(sendmsg);
3385	#else
3386	#define INIT_SENDMSG
3387	#endif
3388
3389	#if SANITIZER_INTERCEPT_SENDMMSG
3390	INTERCEPTOR(int, sendmmsg, int fd, struct __sanitizer_mmsghdr *msgvec,
3391	unsigned vlen, int flags) {
3392	void *ctx;
3393	COMMON_INTERCEPTOR_ENTER(ctx, sendmmsg, fd, msgvec, vlen, flags);
3394	if (fd >= 0) {
3395	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
3396	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
3397	}
3398	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sendmmsg)(fd, msgvec, vlen, flags);
3399	if (res >= 0 && msgvec) {
3400	for (int i = 0; i < res; ++i) {
3401	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &msgvec[i].msg_len,
3402	sizeof(msgvec[i].msg_len));
3403	if (common_flags()->intercept_send)
3404	read_msghdr(ctx, &msgvec[i].msg_hdr, msgvec[i].msg_len);
3405	}
3406	}
3407	return res;
3408	}
3409	#define INIT_SENDMMSG COMMON_INTERCEPT_FUNCTION(sendmmsg);
3410	#else
3411	#define INIT_SENDMMSG
3412	#endif
3413
3414	#if SANITIZER_INTERCEPT_SYSMSG
3415	INTERCEPTOR(int, msgsnd, int msqid, const void *msgp, SIZE_T msgsz,
3416	int msgflg) {
3417	void *ctx;
3418	COMMON_INTERCEPTOR_ENTER(ctx, msgsnd, msqid, msgp, msgsz, msgflg);
3419	if (msgp)
3420	COMMON_INTERCEPTOR_READ_RANGE(ctx, msgp, sizeof(long) + msgsz);
3421	int res = COMMON_INTERCEPTOR_BLOCK_REAL(msgsnd)(msqid, msgp, msgsz, msgflg);
3422	return res;
3423	}
3424
3425	INTERCEPTOR(SSIZE_T, msgrcv, int msqid, void *msgp, SIZE_T msgsz,
3426	long msgtyp, int msgflg) {
3427	void *ctx;
3428	COMMON_INTERCEPTOR_ENTER(ctx, msgrcv, msqid, msgp, msgsz, msgtyp, msgflg);
3429	SSIZE_T len =
3430	COMMON_INTERCEPTOR_BLOCK_REAL(msgrcv)(msqid, msgp, msgsz, msgtyp, msgflg);
3431	if (len != -1)
3432	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msgp, sizeof(long) + len);
3433	return len;
3434	}
3435
3436	#define INIT_SYSMSG \
3437	COMMON_INTERCEPT_FUNCTION(msgsnd); \
3438	COMMON_INTERCEPT_FUNCTION(msgrcv);
3439	#else
3440	#define INIT_SYSMSG
3441	#endif
3442
3443	#if SANITIZER_INTERCEPT_GETPEERNAME
3444	INTERCEPTOR(int, getpeername, int sockfd, void *addr, unsigned *addrlen) {
3445	void *ctx;
3446	COMMON_INTERCEPTOR_ENTER(ctx, getpeername, sockfd, addr, addrlen);
3447	unsigned addr_sz;
3448	if (addrlen) {
3449	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3450	addr_sz = *addrlen;
3451	}
3452	// FIXME: under ASan the call below may write to freed memory and corrupt
3453	// its metadata. See
3454	// https://github.com/google/sanitizers/issues/321.
3455	int res = REAL(getpeername)(sockfd, addr, addrlen);
3456	if (!res && addr && addrlen) {
3457	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen));
3458	}
3459	return res;
3460	}
3461	#define INIT_GETPEERNAME COMMON_INTERCEPT_FUNCTION(getpeername);
3462	#else
3463	#define INIT_GETPEERNAME
3464	#endif
3465
3466	#if SANITIZER_INTERCEPT_SYSINFO
3467	INTERCEPTOR(int, sysinfo, void *info) {
3468	void *ctx;
3469	// FIXME: under ASan the call below may write to freed memory and corrupt
3470	// its metadata. See
3471	// https://github.com/google/sanitizers/issues/321.
3472	COMMON_INTERCEPTOR_ENTER(ctx, sysinfo, info);
3473	int res = REAL(sysinfo)(info);
3474	if (!res && info)
3475	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, struct_sysinfo_sz);
3476	return res;
3477	}
3478	#define INIT_SYSINFO COMMON_INTERCEPT_FUNCTION(sysinfo);
3479	#else
3480	#define INIT_SYSINFO
3481	#endif
3482
3483	#if SANITIZER_INTERCEPT_READDIR
3484	INTERCEPTOR(__sanitizer_dirent *, opendir, const char *path) {
3485	void *ctx;
3486	COMMON_INTERCEPTOR_ENTER(ctx, opendir, path);
3487	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
3488	__sanitizer_dirent *res = REAL(opendir)(path);
3489	if (res)
3490	COMMON_INTERCEPTOR_DIR_ACQUIRE(ctx, path);
3491	return res;
3492	}
3493
3494	INTERCEPTOR(__sanitizer_dirent *, readdir, void *dirp) {
3495	void *ctx;
3496	COMMON_INTERCEPTOR_ENTER(ctx, readdir, dirp);
3497	// FIXME: under ASan the call below may write to freed memory and corrupt
3498	// its metadata. See
3499	// https://github.com/google/sanitizers/issues/321.
3500	__sanitizer_dirent *res = REAL(readdir)(dirp);
3501	if (res)
3502	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer_dirsiz(res));
3503	return res;
3504	}
3505
3506	INTERCEPTOR(int, readdir_r, void *dirp, __sanitizer_dirent *entry,
3507	__sanitizer_dirent **result) {
3508	void *ctx;
3509	COMMON_INTERCEPTOR_ENTER(ctx, readdir_r, dirp, entry, result);
3510	// FIXME: under ASan the call below may write to freed memory and corrupt
3511	// its metadata. See
3512	// https://github.com/google/sanitizers/issues/321.
3513	int res = REAL(readdir_r)(dirp, entry, result);
3514	if (!res) {
3515	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3516	if (*result)
3517	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, __sanitizer_dirsiz(*result));
3518	}
3519	return res;
3520	}
3521
3522	#define INIT_READDIR \
3523	COMMON_INTERCEPT_FUNCTION(opendir); \
3524	COMMON_INTERCEPT_FUNCTION(readdir); \
3525	COMMON_INTERCEPT_FUNCTION(readdir_r);
3526	#else
3527	#define INIT_READDIR
3528	#endif
3529
3530	#if SANITIZER_INTERCEPT_READDIR64
3531	INTERCEPTOR(__sanitizer_dirent64 *, readdir64, void *dirp) {
3532	void *ctx;
3533	COMMON_INTERCEPTOR_ENTER(ctx, readdir64, dirp);
3534	// FIXME: under ASan the call below may write to freed memory and corrupt
3535	// its metadata. See
3536	// https://github.com/google/sanitizers/issues/321.
3537	__sanitizer_dirent64 *res = REAL(readdir64)(dirp);
3538	if (res)
3539	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer_dirsiz(res));
3540	return res;
3541	}
3542
3543	INTERCEPTOR(int, readdir64_r, void *dirp, __sanitizer_dirent64 *entry,
3544	__sanitizer_dirent64 **result) {
3545	void *ctx;
3546	COMMON_INTERCEPTOR_ENTER(ctx, readdir64_r, dirp, entry, result);
3547	// FIXME: under ASan the call below may write to freed memory and corrupt
3548	// its metadata. See
3549	// https://github.com/google/sanitizers/issues/321.
3550	int res = REAL(readdir64_r)(dirp, entry, result);
3551	if (!res) {
3552	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3553	if (*result)
3554	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, __sanitizer_dirsiz(*result));
3555	}
3556	return res;
3557	}
3558	#define INIT_READDIR64 \
3559	COMMON_INTERCEPT_FUNCTION(readdir64); \
3560	COMMON_INTERCEPT_FUNCTION(readdir64_r);
3561	#else
3562	#define INIT_READDIR64
3563	#endif
3564
3565	#if SANITIZER_INTERCEPT_PTRACE
3566	INTERCEPTOR(uptr, ptrace, int request, int pid, void *addr, void *data) {
3567	void *ctx;
3568	COMMON_INTERCEPTOR_ENTER(ctx, ptrace, request, pid, addr, data);
3569	__sanitizer_iovec local_iovec;
3570
3571	void *data_arg = ptrace_data_arg(request, addr, data);
3572	if (data_arg) {
3573	if (request == ptrace_setregs) {
3574	COMMON_INTERCEPTOR_READ_RANGE(ctx, data_arg, struct_user_regs_struct_sz);
3575	} else if (request == ptrace_setfpregs) {
3576	COMMON_INTERCEPTOR_READ_RANGE(ctx, data_arg,
3577	struct_user_fpregs_struct_sz);
3578	} else if (request == ptrace_setfpxregs) {
3579	COMMON_INTERCEPTOR_READ_RANGE(ctx, data_arg,
3580	struct_user_fpxregs_struct_sz);
3581	} else if (request == ptrace_setvfpregs) {
3582	COMMON_INTERCEPTOR_READ_RANGE(ctx, data_arg,
3583	struct_user_vfpregs_struct_sz);
3584	} else if (request == ptrace_setsiginfo) {
3585	COMMON_INTERCEPTOR_READ_RANGE(ctx, data_arg, siginfo_t_sz);
3586
3587	// Some kernel might zero the iovec::iov_base in case of invalid
3588	// write access. In this case copy the invalid address for further
3589	// inspection.
3590	} else if (request == ptrace_setregset || request == ptrace_getregset) {
3591	__sanitizer_iovec *iovec = (__sanitizer_iovec *)data_arg;
3592	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec));
3593	local_iovec = *iovec;
3594	if (request == ptrace_setregset)
3595	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec->iov_base, iovec->iov_len);
3596	}
3597	}
3598
3599	// FIXME: under ASan the call below may write to freed memory and corrupt
3600	// its metadata. See
3601	// https://github.com/google/sanitizers/issues/321.
3602	uptr res = REAL(ptrace)(request, pid, addr, data);
3603
3604	if (!res && data_arg) {
3605	// Note that PEEK* requests assign different meaning to the return value.
3606	// This function does not handle them (nor does it need to).
3607	if (request == ptrace_getregs) {
3608	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data_arg, struct_user_regs_struct_sz);
3609	} else if (request == ptrace_getfpregs) {
3610	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data_arg,
3611	struct_user_fpregs_struct_sz);
3612	} else if (request == ptrace_getfpxregs) {
3613	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data_arg,
3614	struct_user_fpxregs_struct_sz);
3615	} else if (request == ptrace_getvfpregs) {
3616	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data_arg,
3617	struct_user_vfpregs_struct_sz);
3618	} else if (request == ptrace_getsiginfo) {
3619	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data_arg, siginfo_t_sz);
3620	} else if (request == ptrace_geteventmsg) {
3621	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data_arg, sizeof(unsigned long));
3622	} else if (request == ptrace_getregset) {
3623	__sanitizer_iovec *iovec = (__sanitizer_iovec *)data_arg;
3624	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec, sizeof(*iovec));
3625	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, local_iovec.iov_base,
3626	local_iovec.iov_len);
3627	}
3628	}
3629	return res;
3630	}
3631
3632	#define INIT_PTRACE COMMON_INTERCEPT_FUNCTION(ptrace);
3633	#else
3634	#define INIT_PTRACE
3635	#endif
3636
3637	#if SANITIZER_INTERCEPT_SETLOCALE
3638	static void unpoison_ctype_arrays(void *ctx) {
3639	#if SANITIZER_NETBSD
3640	// These arrays contain 256 regular elements in unsigned char range + 1 EOF
3641	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _ctype_tab_, 257 * sizeof(short));
3642	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _toupper_tab_, 257 * sizeof(short));
3643	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _tolower_tab_, 257 * sizeof(short));
3644	#endif
3645	}
3646
3647	INTERCEPTOR(char *, setlocale, int category, char *locale) {
3648	void *ctx;
3649	COMMON_INTERCEPTOR_ENTER(ctx, setlocale, category, locale);
3650	if (locale)
3651	COMMON_INTERCEPTOR_READ_RANGE(ctx, locale, internal_strlen(locale) + 1);
3652	char *res = REAL(setlocale)(category, locale);
3653	if (res) {
3654	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
3655	unpoison_ctype_arrays(ctx);
3656	}
3657	return res;
3658	}
3659
3660	#define INIT_SETLOCALE COMMON_INTERCEPT_FUNCTION(setlocale);
3661	#else
3662	#define INIT_SETLOCALE
3663	#endif
3664
3665	#if SANITIZER_INTERCEPT_GETCWD
3666	INTERCEPTOR(char *, getcwd, char *buf, SIZE_T size) {
3667	void *ctx;
3668	COMMON_INTERCEPTOR_ENTER(ctx, getcwd, buf, size);
3669	// FIXME: under ASan the call below may write to freed memory and corrupt
3670	// its metadata. See
3671	// https://github.com/google/sanitizers/issues/321.
3672	char *res = REAL(getcwd)(buf, size);
3673	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3674	return res;
3675	}
3676	#define INIT_GETCWD COMMON_INTERCEPT_FUNCTION(getcwd);
3677	#else
3678	#define INIT_GETCWD
3679	#endif
3680
3681	#if SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME
3682	INTERCEPTOR(char *, get_current_dir_name, int fake) {
3683	void *ctx;
3684	COMMON_INTERCEPTOR_ENTER(ctx, get_current_dir_name, fake);
3685	// FIXME: under ASan the call below may write to freed memory and corrupt
3686	// its metadata. See
3687	// https://github.com/google/sanitizers/issues/321.
3688	char *res = REAL(get_current_dir_name)(fake);
3689	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3690	return res;
3691	}
3692
3693	#define INIT_GET_CURRENT_DIR_NAME \
3694	COMMON_INTERCEPT_FUNCTION(get_current_dir_name);
3695	#else
3696	#define INIT_GET_CURRENT_DIR_NAME
3697	#endif
3698
3699	UNUSED static inline void FixRealStrtolEndptr(const char *nptr, char **endptr) {
3700	CHECK(endptr);
3701	if (nptr == *endptr) {
3702	// No digits were found at strtol call, we need to find out the last
3703	// symbol accessed by strtoll on our own.
3704	// We get this symbol by skipping leading blanks and optional +/- sign.
3705	while (IsSpace(c: *nptr)) nptr++;
3706	if (*nptr == '+' || *nptr == '-') nptr++;
3707	*endptr = const_cast<char *>(nptr);
3708	}
3709	CHECK(*endptr >= nptr);
3710	}
3711
3712	UNUSED static inline void StrtolFixAndCheck(void *ctx, const char *nptr,
3713	char **endptr, char *real_endptr, int base) {
3714	if (endptr) {
3715	*endptr = real_endptr;
3716	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, endptr, sizeof(*endptr));
3717	}
3718	// If base has unsupported value, strtol can exit with EINVAL
3719	// without reading any characters. So do additional checks only
3720	// if base is valid.
3721	bool is_valid_base = (base == 0) || (2 <= base && base <= 36);
3722	if (is_valid_base) {
3723	FixRealStrtolEndptr(nptr, endptr: &real_endptr);
3724	}
3725	COMMON_INTERCEPTOR_READ_STRING(ctx, nptr, is_valid_base ?
3726	(real_endptr - nptr) + 1 : 0);
3727	}
3728
3729	#if SANITIZER_INTERCEPT_STRTOIMAX
3730	template <typename Fn>
3731	static ALWAYS_INLINE auto StrtoimaxImpl(void *ctx, Fn real, const char *nptr,
3732	char **endptr, int base)
3733	-> decltype(real(nullptr, nullptr, 0)) {
3734	char *real_endptr;
3735	auto res = real(nptr, &real_endptr, base);
3736	StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base);
3737	return res;
3738	}
3739
3740	INTERCEPTOR(INTMAX_T, strtoimax, const char *nptr, char **endptr, int base) {
3741	void *ctx;
3742	COMMON_INTERCEPTOR_ENTER(ctx, strtoimax, nptr, endptr, base);
3743	return StrtoimaxImpl(ctx, REAL(strtoimax), nptr, endptr, base);
3744	}
3745	INTERCEPTOR(UINTMAX_T, strtoumax, const char *nptr, char **endptr, int base) {
3746	void *ctx;
3747	COMMON_INTERCEPTOR_ENTER(ctx, strtoumax, nptr, endptr, base);
3748	return StrtoimaxImpl(ctx, REAL(strtoumax), nptr, endptr, base);
3749	}
3750
3751	#define INIT_STRTOIMAX \
3752	COMMON_INTERCEPT_FUNCTION(strtoimax); \
3753	COMMON_INTERCEPT_FUNCTION(strtoumax);
3754	#else
3755	#define INIT_STRTOIMAX
3756	#endif
3757
3758	#if SANITIZER_INTERCEPT_STRTOIMAX && SANITIZER_GLIBC
3759	INTERCEPTOR(INTMAX_T, __isoc23_strtoimax, const char *nptr, char **endptr, int base) {
3760	void *ctx;
3761	COMMON_INTERCEPTOR_ENTER(ctx, __isoc23_strtoimax, nptr, endptr, base);
3762	return StrtoimaxImpl(ctx, REAL(__isoc23_strtoimax), nptr, endptr, base);
3763	}
3764	INTERCEPTOR(UINTMAX_T, __isoc23_strtoumax, const char *nptr, char **endptr, int base) {
3765	void *ctx;
3766	COMMON_INTERCEPTOR_ENTER(ctx, __isoc23_strtoumax, nptr, endptr, base);
3767	return StrtoimaxImpl(ctx, REAL(__isoc23_strtoumax), nptr, endptr, base);
3768	}
3769
3770	# define INIT_STRTOIMAX_C23 \
3771	COMMON_INTERCEPT_FUNCTION(__isoc23_strtoimax); \
3772	COMMON_INTERCEPT_FUNCTION(__isoc23_strtoumax);
3773	#else
3774	# define INIT_STRTOIMAX_C23
3775	#endif
3776
3777	#if SANITIZER_INTERCEPT_MBSTOWCS
3778	INTERCEPTOR(SIZE_T, mbstowcs, wchar_t *dest, const char *src, SIZE_T len) {
3779	void *ctx;
3780	COMMON_INTERCEPTOR_ENTER(ctx, mbstowcs, dest, src, len);
3781	// FIXME: under ASan the call below may write to freed memory and corrupt
3782	// its metadata. See
3783	// https://github.com/google/sanitizers/issues/321.
3784	SIZE_T res = REAL(mbstowcs)(dest, src, len);
3785	if (res != (SIZE_T) - 1 && dest) {
3786	SIZE_T write_cnt = res + (res < len);
3787	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
3788	}
3789	return res;
3790	}
3791
3792	INTERCEPTOR(SIZE_T, mbsrtowcs, wchar_t *dest, const char **src, SIZE_T len,
3793	void *ps) {
3794	void *ctx;
3795	COMMON_INTERCEPTOR_ENTER(ctx, mbsrtowcs, dest, src, len, ps);
3796	if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3797	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3798	// FIXME: under ASan the call below may write to freed memory and corrupt
3799	// its metadata. See
3800	// https://github.com/google/sanitizers/issues/321.
3801	SIZE_T res = REAL(mbsrtowcs)(dest, src, len, ps);
3802	if (res != (SIZE_T)(-1) && dest && src) {
3803	// This function, and several others, may or may not write the terminating
3804	// \0 character. They write it iff they clear *src.
3805	SIZE_T write_cnt = res + !*src;
3806	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
3807	}
3808	return res;
3809	}
3810
3811	#define INIT_MBSTOWCS \
3812	COMMON_INTERCEPT_FUNCTION(mbstowcs); \
3813	COMMON_INTERCEPT_FUNCTION(mbsrtowcs);
3814	#else
3815	#define INIT_MBSTOWCS
3816	#endif
3817
3818	#if SANITIZER_INTERCEPT_MBSNRTOWCS
3819	INTERCEPTOR(SIZE_T, mbsnrtowcs, wchar_t *dest, const char **src, SIZE_T nms,
3820	SIZE_T len, void *ps) {
3821	void *ctx;
3822	COMMON_INTERCEPTOR_ENTER(ctx, mbsnrtowcs, dest, src, nms, len, ps);
3823	if (src) {
3824	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3825	if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms);
3826	}
3827	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3828	// FIXME: under ASan the call below may write to freed memory and corrupt
3829	// its metadata. See
3830	// https://github.com/google/sanitizers/issues/321.
3831	SIZE_T res = REAL(mbsnrtowcs)(dest, src, nms, len, ps);
3832	if (res != (SIZE_T)(-1) && dest && src) {
3833	SIZE_T write_cnt = res + !*src;
3834	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
3835	}
3836	return res;
3837	}
3838
3839	#define INIT_MBSNRTOWCS COMMON_INTERCEPT_FUNCTION(mbsnrtowcs);
3840	#else
3841	#define INIT_MBSNRTOWCS
3842	#endif
3843
3844	#if SANITIZER_INTERCEPT_WCSTOMBS
3845	INTERCEPTOR(SIZE_T, wcstombs, char *dest, const wchar_t *src, SIZE_T len) {
3846	void *ctx;
3847	COMMON_INTERCEPTOR_ENTER(ctx, wcstombs, dest, src, len);
3848	// FIXME: under ASan the call below may write to freed memory and corrupt
3849	// its metadata. See
3850	// https://github.com/google/sanitizers/issues/321.
3851	SIZE_T res = REAL(wcstombs)(dest, src, len);
3852	if (res != (SIZE_T) - 1 && dest) {
3853	SIZE_T write_cnt = res + (res < len);
3854	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
3855	}
3856	return res;
3857	}
3858
3859	INTERCEPTOR(SIZE_T, wcsrtombs, char *dest, const wchar_t **src, SIZE_T len,
3860	void *ps) {
3861	void *ctx;
3862	COMMON_INTERCEPTOR_ENTER(ctx, wcsrtombs, dest, src, len, ps);
3863	if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3864	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3865	// FIXME: under ASan the call below may write to freed memory and corrupt
3866	// its metadata. See
3867	// https://github.com/google/sanitizers/issues/321.
3868	SIZE_T res = REAL(wcsrtombs)(dest, src, len, ps);
3869	if (res != (SIZE_T) - 1 && dest && src) {
3870	SIZE_T write_cnt = res + !*src;
3871	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
3872	}
3873	return res;
3874	}
3875
3876	#define INIT_WCSTOMBS \
3877	COMMON_INTERCEPT_FUNCTION(wcstombs); \
3878	COMMON_INTERCEPT_FUNCTION(wcsrtombs);
3879	#else
3880	#define INIT_WCSTOMBS
3881	#endif
3882
3883	#if SANITIZER_INTERCEPT_WCSNRTOMBS
3884	INTERCEPTOR(SIZE_T, wcsnrtombs, char *dest, const wchar_t **src, SIZE_T nms,
3885	SIZE_T len, void *ps) {
3886	void *ctx;
3887	COMMON_INTERCEPTOR_ENTER(ctx, wcsnrtombs, dest, src, nms, len, ps);
3888	if (src) {
3889	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3890	if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms);
3891	}
3892	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3893	// FIXME: under ASan the call below may write to freed memory and corrupt
3894	// its metadata. See
3895	// https://github.com/google/sanitizers/issues/321.
3896	SIZE_T res = REAL(wcsnrtombs)(dest, src, nms, len, ps);
3897	if (res != ((SIZE_T)-1) && dest && src) {
3898	SIZE_T write_cnt = res + !*src;
3899	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
3900	}
3901	return res;
3902	}
3903
3904	#define INIT_WCSNRTOMBS COMMON_INTERCEPT_FUNCTION(wcsnrtombs);
3905	#else
3906	#define INIT_WCSNRTOMBS
3907	#endif
3908
3909
3910	#if SANITIZER_INTERCEPT_WCRTOMB
3911	INTERCEPTOR(SIZE_T, wcrtomb, char *dest, wchar_t src, void *ps) {
3912	void *ctx;
3913	COMMON_INTERCEPTOR_ENTER(ctx, wcrtomb, dest, src, ps);
3914	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3915
3916	if (!dest)
3917	return REAL(wcrtomb)(dest, src, ps);
3918
3919	char local_dest[32];
3920	SIZE_T res = REAL(wcrtomb)(local_dest, src, ps);
3921	if (res != ((SIZE_T)-1)) {
3922	CHECK_LE(res, sizeof(local_dest));
3923	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, res);
3924	internal_memcpy(dest, local_dest, res);
3925	}
3926	return res;
3927	}
3928
3929	#define INIT_WCRTOMB COMMON_INTERCEPT_FUNCTION(wcrtomb);
3930	#else
3931	#define INIT_WCRTOMB
3932	#endif
3933
3934	#if SANITIZER_INTERCEPT_WCTOMB
3935	INTERCEPTOR(int, wctomb, char *dest, wchar_t src) {
3936	void *ctx;
3937	COMMON_INTERCEPTOR_ENTER(ctx, wctomb, dest, src);
3938	if (!dest)
3939	return REAL(wctomb)(dest, src);
3940
3941	char local_dest[32];
3942	int res = REAL(wctomb)(local_dest, src);
3943	if (res != -1) {
3944	CHECK_LE(res, sizeof(local_dest));
3945	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, res);
3946	internal_memcpy(dest, local_dest, res);
3947	}
3948	return res;
3949	}
3950
3951	#define INIT_WCTOMB COMMON_INTERCEPT_FUNCTION(wctomb);
3952	#else
3953	#define INIT_WCTOMB
3954	#endif
3955
3956	#if SANITIZER_INTERCEPT_TCGETATTR
3957	INTERCEPTOR(int, tcgetattr, int fd, void *termios_p) {
3958	void *ctx;
3959	COMMON_INTERCEPTOR_ENTER(ctx, tcgetattr, fd, termios_p);
3960	// FIXME: under ASan the call below may write to freed memory and corrupt
3961	// its metadata. See
3962	// https://github.com/google/sanitizers/issues/321.
3963	int res = REAL(tcgetattr)(fd, termios_p);
3964	if (!res && termios_p)
3965	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, termios_p, struct_termios_sz);
3966	return res;
3967	}
3968
3969	#define INIT_TCGETATTR COMMON_INTERCEPT_FUNCTION(tcgetattr);
3970	#else
3971	#define INIT_TCGETATTR
3972	#endif
3973
3974	#if SANITIZER_INTERCEPT_REALPATH
3975	INTERCEPTOR(char *, realpath, const char *path, char *resolved_path) {
3976	void *ctx;
3977	COMMON_INTERCEPTOR_ENTER(ctx, realpath, path, resolved_path);
3978	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
3979
3980	// Workaround a bug in glibc where dlsym(RTLD_NEXT, ...) returns the oldest
3981	// version of a versioned symbol. For realpath(), this gives us something
3982	// (called __old_realpath) that does not handle NULL in the second argument.
3983	// Handle it as part of the interceptor.
3984	char *allocated_path = nullptr;
3985	if (!resolved_path)
3986	allocated_path = resolved_path = (char *)WRAP(malloc)(path_max + 1);
3987
3988	char *res = REAL(realpath)(path, resolved_path);
3989	if (allocated_path && !res)
3990	WRAP(free)(allocated_path);
3991	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3992	return res;
3993	}
3994	# define INIT_REALPATH COMMON_INTERCEPT_FUNCTION(realpath);
3995	#else
3996	#define INIT_REALPATH
3997	#endif
3998
3999	#if SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME
4000	INTERCEPTOR(char *, canonicalize_file_name, const char *path) {
4001	void *ctx;
4002	COMMON_INTERCEPTOR_ENTER(ctx, canonicalize_file_name, path);
4003	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4004	char *res = REAL(canonicalize_file_name)(path);
4005	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
4006	return res;
4007	}
4008	#define INIT_CANONICALIZE_FILE_NAME \
4009	COMMON_INTERCEPT_FUNCTION(canonicalize_file_name);
4010	#else
4011	#define INIT_CANONICALIZE_FILE_NAME
4012	#endif
4013
4014	#if SANITIZER_INTERCEPT_CONFSTR
4015	INTERCEPTOR(SIZE_T, confstr, int name, char *buf, SIZE_T len) {
4016	void *ctx;
4017	COMMON_INTERCEPTOR_ENTER(ctx, confstr, name, buf, len);
4018	// FIXME: under ASan the call below may write to freed memory and corrupt
4019	// its metadata. See
4020	// https://github.com/google/sanitizers/issues/321.
4021	SIZE_T res = REAL(confstr)(name, buf, len);
4022	if (buf && res)
4023	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res < len ? res : len);
4024	return res;
4025	}
4026	#define INIT_CONFSTR COMMON_INTERCEPT_FUNCTION(confstr);
4027	#else
4028	#define INIT_CONFSTR
4029	#endif
4030
4031	#if SANITIZER_INTERCEPT_SCHED_GETAFFINITY
4032	INTERCEPTOR(int, sched_getaffinity, int pid, SIZE_T cpusetsize, void *mask) {
4033	void *ctx;
4034	COMMON_INTERCEPTOR_ENTER(ctx, sched_getaffinity, pid, cpusetsize, mask);
4035	// FIXME: under ASan the call below may write to freed memory and corrupt
4036	// its metadata. See
4037	// https://github.com/google/sanitizers/issues/321.
4038	int res = REAL(sched_getaffinity)(pid, cpusetsize, mask);
4039	if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize);
4040	return res;
4041	}
4042	#define INIT_SCHED_GETAFFINITY COMMON_INTERCEPT_FUNCTION(sched_getaffinity);
4043	#else
4044	#define INIT_SCHED_GETAFFINITY
4045	#endif
4046
4047	#if SANITIZER_INTERCEPT_SCHED_GETPARAM
4048	INTERCEPTOR(int, sched_getparam, int pid, void *param) {
4049	void *ctx;
4050	COMMON_INTERCEPTOR_ENTER(ctx, sched_getparam, pid, param);
4051	int res = REAL(sched_getparam)(pid, param);
4052	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, struct_sched_param_sz);
4053	return res;
4054	}
4055	#define INIT_SCHED_GETPARAM COMMON_INTERCEPT_FUNCTION(sched_getparam);
4056	#else
4057	#define INIT_SCHED_GETPARAM
4058	#endif
4059
4060	#if SANITIZER_INTERCEPT_STRERROR
4061	INTERCEPTOR(char *, strerror, int errnum) {
4062	void *ctx;
4063	COMMON_INTERCEPTOR_ENTER(ctx, strerror, errnum);
4064	COMMON_INTERCEPTOR_STRERROR();
4065	char *res = REAL(strerror)(errnum);
4066	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
4067	return res;
4068	}
4069	#define INIT_STRERROR COMMON_INTERCEPT_FUNCTION(strerror);
4070	#else
4071	#define INIT_STRERROR
4072	#endif
4073
4074	#if SANITIZER_INTERCEPT_STRERROR_R
4075	// There are 2 versions of strerror_r:
4076	// * POSIX version returns 0 on success, negative error code on failure,
4077	// writes message to buf.
4078	// * GNU version returns message pointer, which points to either buf or some
4079	// static storage.
4080	#if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE) || \
4081	SANITIZER_APPLE || SANITIZER_ANDROID || SANITIZER_NETBSD || \
4082	SANITIZER_FREEBSD
4083	// POSIX version. Spec is not clear on whether buf is NULL-terminated.
4084	// At least on OSX, buf contents are valid even when the call fails.
4085	INTERCEPTOR(int, strerror_r, int errnum, char *buf, SIZE_T buflen) {
4086	void *ctx;
4087	COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen);
4088	// FIXME: under ASan the call below may write to freed memory and corrupt
4089	// its metadata. See
4090	// https://github.com/google/sanitizers/issues/321.
4091	int res = REAL(strerror_r)(errnum, buf, buflen);
4092
4093	SIZE_T sz = internal_strnlen(buf, buflen);
4094	if (sz < buflen) ++sz;
4095	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz);
4096	return res;
4097	}
4098	#else
4099	// GNU version.
4100	INTERCEPTOR(char *, strerror_r, int errnum, char *buf, SIZE_T buflen) {
4101	void *ctx;
4102	COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen);
4103	// FIXME: under ASan the call below may write to freed memory and corrupt
4104	// its metadata. See
4105	// https://github.com/google/sanitizers/issues/321.
4106	char *res = REAL(strerror_r)(errnum, buf, buflen);
4107	if (res == buf)
4108	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
4109	else
4110	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
4111	return res;
4112	}
4113	#endif //(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE ||
4114	//SANITIZER_APPLE
4115	#define INIT_STRERROR_R COMMON_INTERCEPT_FUNCTION(strerror_r);
4116	#else
4117	#define INIT_STRERROR_R
4118	#endif
4119
4120	#if SANITIZER_INTERCEPT_XPG_STRERROR_R
4121	INTERCEPTOR(int, __xpg_strerror_r, int errnum, char *buf, SIZE_T buflen) {
4122	void *ctx;
4123	COMMON_INTERCEPTOR_ENTER(ctx, __xpg_strerror_r, errnum, buf, buflen);
4124	// FIXME: under ASan the call below may write to freed memory and corrupt
4125	// its metadata. See
4126	// https://github.com/google/sanitizers/issues/321.
4127	int res = REAL(__xpg_strerror_r)(errnum, buf, buflen);
4128	// This version always returns a null-terminated string.
4129	if (buf && buflen)
4130	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, internal_strlen(buf) + 1);
4131	return res;
4132	}
4133	#define INIT_XPG_STRERROR_R COMMON_INTERCEPT_FUNCTION(__xpg_strerror_r);
4134	#else
4135	#define INIT_XPG_STRERROR_R
4136	#endif
4137
4138	#if SANITIZER_INTERCEPT_SCANDIR
4139	typedef int (*scandir_filter_f)(const struct __sanitizer_dirent *);
4140	typedef int (*scandir_compar_f)(const struct __sanitizer_dirent **,
4141	const struct __sanitizer_dirent **);
4142
4143	static THREADLOCAL scandir_filter_f scandir_filter;
4144	static THREADLOCAL scandir_compar_f scandir_compar;
4145
4146	static int wrapped_scandir_filter(const struct __sanitizer_dirent *dir) {
4147	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
4148	COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, __sanitizer_dirsiz(dir));
4149	return scandir_filter(dir);
4150	}
4151
4152	static int wrapped_scandir_compar(const struct __sanitizer_dirent **a,
4153	const struct __sanitizer_dirent **b) {
4154	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
4155	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a));
4156	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, __sanitizer_dirsiz(*a));
4157	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b));
4158	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, __sanitizer_dirsiz(*b));
4159	return scandir_compar(a, b);
4160	}
4161
4162	INTERCEPTOR(int, scandir, char *dirp, __sanitizer_dirent ***namelist,
4163	scandir_filter_f filter, scandir_compar_f compar) {
4164	void *ctx;
4165	COMMON_INTERCEPTOR_ENTER(ctx, scandir, dirp, namelist, filter, compar);
4166	if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, internal_strlen(dirp) + 1);
4167	scandir_filter = filter;
4168	scandir_compar = compar;
4169	// FIXME: under ASan the call below may write to freed memory and corrupt
4170	// its metadata. See
4171	// https://github.com/google/sanitizers/issues/321.
4172	int res = REAL(scandir)(dirp, namelist,
4173	filter ? wrapped_scandir_filter : nullptr,
4174	compar ? wrapped_scandir_compar : nullptr);
4175	scandir_filter = nullptr;
4176	scandir_compar = nullptr;
4177	if (namelist && res > 0) {
4178	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist));
4179	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res);
4180	for (int i = 0; i < res; ++i)
4181	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i],
4182	__sanitizer_dirsiz((*namelist)[i]));
4183	}
4184	return res;
4185	}
4186	#define INIT_SCANDIR COMMON_INTERCEPT_FUNCTION(scandir);
4187	#else
4188	#define INIT_SCANDIR
4189	#endif
4190
4191	#if SANITIZER_INTERCEPT_SCANDIR64
4192	typedef int (*scandir64_filter_f)(const struct __sanitizer_dirent64 *);
4193	typedef int (*scandir64_compar_f)(const struct __sanitizer_dirent64 **,
4194	const struct __sanitizer_dirent64 **);
4195
4196	static THREADLOCAL scandir64_filter_f scandir64_filter;
4197	static THREADLOCAL scandir64_compar_f scandir64_compar;
4198
4199	static int wrapped_scandir64_filter(const struct __sanitizer_dirent64 *dir) {
4200	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
4201	COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, __sanitizer_dirsiz(dir));
4202	return scandir64_filter(dir);
4203	}
4204
4205	static int wrapped_scandir64_compar(const struct __sanitizer_dirent64 **a,
4206	const struct __sanitizer_dirent64 **b) {
4207	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
4208	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a));
4209	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, __sanitizer_dirsiz(*a));
4210	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b));
4211	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, __sanitizer_dirsiz(*b));
4212	return scandir64_compar(a, b);
4213	}
4214
4215	INTERCEPTOR(int, scandir64, char *dirp, __sanitizer_dirent64 ***namelist,
4216	scandir64_filter_f filter, scandir64_compar_f compar) {
4217	void *ctx;
4218	COMMON_INTERCEPTOR_ENTER(ctx, scandir64, dirp, namelist, filter, compar);
4219	if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, internal_strlen(dirp) + 1);
4220	scandir64_filter = filter;
4221	scandir64_compar = compar;
4222	// FIXME: under ASan the call below may write to freed memory and corrupt
4223	// its metadata. See
4224	// https://github.com/google/sanitizers/issues/321.
4225	int res =
4226	REAL(scandir64)(dirp, namelist,
4227	filter ? wrapped_scandir64_filter : nullptr,
4228	compar ? wrapped_scandir64_compar : nullptr);
4229	scandir64_filter = nullptr;
4230	scandir64_compar = nullptr;
4231	if (namelist && res > 0) {
4232	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist));
4233	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res);
4234	for (int i = 0; i < res; ++i)
4235	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i],
4236	__sanitizer_dirsiz((*namelist)[i]));
4237	}
4238	return res;
4239	}
4240	#define INIT_SCANDIR64 COMMON_INTERCEPT_FUNCTION(scandir64);
4241	#else
4242	#define INIT_SCANDIR64
4243	#endif
4244
4245	#if SANITIZER_INTERCEPT_GETGROUPS
4246	INTERCEPTOR(int, getgroups, int size, u32 *lst) {
4247	void *ctx;
4248	COMMON_INTERCEPTOR_ENTER(ctx, getgroups, size, lst);
4249	// FIXME: under ASan the call below may write to freed memory and corrupt
4250	// its metadata. See
4251	// https://github.com/google/sanitizers/issues/321.
4252	int res = REAL(getgroups)(size, lst);
4253	if (res >= 0 && lst && size > 0)
4254	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lst, res * sizeof(*lst));
4255	return res;
4256	}
4257	#define INIT_GETGROUPS COMMON_INTERCEPT_FUNCTION(getgroups);
4258	#else
4259	#define INIT_GETGROUPS
4260	#endif
4261
4262	#if SANITIZER_INTERCEPT_POLL
4263	static void read_pollfd(void *ctx, __sanitizer_pollfd *fds,
4264	__sanitizer_nfds_t nfds) {
4265	for (unsigned i = 0; i < nfds; ++i) {
4266	COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].fd, sizeof(fds[i].fd));
4267	COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].events, sizeof(fds[i].events));
4268	}
4269	}
4270
4271	static void write_pollfd(void *ctx, __sanitizer_pollfd *fds,
4272	__sanitizer_nfds_t nfds) {
4273	for (unsigned i = 0; i < nfds; ++i)
4274	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &fds[i].revents,
4275	sizeof(fds[i].revents));
4276	}
4277
4278	INTERCEPTOR(int, poll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds,
4279	int timeout) {
4280	void *ctx;
4281	COMMON_INTERCEPTOR_ENTER(ctx, poll, fds, nfds, timeout);
4282	if (fds && nfds) read_pollfd(ctx, fds, nfds);
4283	int res = COMMON_INTERCEPTOR_BLOCK_REAL(poll)(fds, nfds, timeout);
4284	if (fds && nfds) write_pollfd(ctx, fds, nfds);
4285	return res;
4286	}
4287	#define INIT_POLL COMMON_INTERCEPT_FUNCTION(poll);
4288	#else
4289	#define INIT_POLL
4290	#endif
4291
4292	#if SANITIZER_INTERCEPT_PPOLL
4293	INTERCEPTOR(int, ppoll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds,
4294	void *timeout_ts, __sanitizer_sigset_t *sigmask) {
4295	void *ctx;
4296	COMMON_INTERCEPTOR_ENTER(ctx, ppoll, fds, nfds, timeout_ts, sigmask);
4297	if (fds && nfds) read_pollfd(ctx, fds, nfds);
4298	if (timeout_ts)
4299	COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout_ts, struct_timespec_sz);
4300	if (sigmask) COMMON_INTERCEPTOR_READ_RANGE(ctx, sigmask, sizeof(*sigmask));
4301	int res =
4302	COMMON_INTERCEPTOR_BLOCK_REAL(ppoll)(fds, nfds, timeout_ts, sigmask);
4303	if (fds && nfds) write_pollfd(ctx, fds, nfds);
4304	return res;
4305	}
4306	#define INIT_PPOLL COMMON_INTERCEPT_FUNCTION(ppoll);
4307	#else
4308	#define INIT_PPOLL
4309	#endif
4310
4311	#if SANITIZER_INTERCEPT_WORDEXP
4312	INTERCEPTOR(int, wordexp, char *s, __sanitizer_wordexp_t *p, int flags) {
4313	void *ctx;
4314	COMMON_INTERCEPTOR_ENTER(ctx, wordexp, s, p, flags);
4315	if (s) COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
4316	// FIXME: under ASan the call below may write to freed memory and corrupt
4317	// its metadata. See
4318	// https://github.com/google/sanitizers/issues/321.
4319	int res = REAL(wordexp)(s, p, flags);
4320	if (!res && p) {
4321	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
4322	uptr we_wordc =
4323	((flags & wordexp_wrde_dooffs) ? p->we_offs : 0) + p->we_wordc;
4324	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->we_wordv,
4325	sizeof(*p->we_wordv) * (we_wordc + 1));
4326	for (uptr i = 0; i < we_wordc; ++i) {
4327	char *w = p->we_wordv[i];
4328	if (w) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, w, internal_strlen(w) + 1);
4329	}
4330	}
4331	return res;
4332	}
4333	#define INIT_WORDEXP COMMON_INTERCEPT_FUNCTION(wordexp);
4334	#else
4335	#define INIT_WORDEXP
4336	#endif
4337
4338	#if SANITIZER_INTERCEPT_SIGWAIT
4339	INTERCEPTOR(int, sigwait, __sanitizer_sigset_t *set, int *sig) {
4340	void *ctx;
4341	COMMON_INTERCEPTOR_ENTER(ctx, sigwait, set, sig);
4342	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4343	// FIXME: under ASan the call below may write to freed memory and corrupt
4344	// its metadata. See
4345	// https://github.com/google/sanitizers/issues/321.
4346	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigwait)(set, sig);
4347	if (!res && sig) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sig, sizeof(*sig));
4348	return res;
4349	}
4350	#define INIT_SIGWAIT COMMON_INTERCEPT_FUNCTION(sigwait);
4351	#else
4352	#define INIT_SIGWAIT
4353	#endif
4354
4355	#if SANITIZER_INTERCEPT_SIGWAITINFO
4356	INTERCEPTOR(int, sigwaitinfo, __sanitizer_sigset_t *set, void *info) {
4357	void *ctx;
4358	COMMON_INTERCEPTOR_ENTER(ctx, sigwaitinfo, set, info);
4359	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4360	// FIXME: under ASan the call below may write to freed memory and corrupt
4361	// its metadata. See
4362	// https://github.com/google/sanitizers/issues/321.
4363	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigwaitinfo)(set, info);
4364	if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz);
4365	return res;
4366	}
4367	#define INIT_SIGWAITINFO COMMON_INTERCEPT_FUNCTION(sigwaitinfo);
4368	#else
4369	#define INIT_SIGWAITINFO
4370	#endif
4371
4372	#if SANITIZER_INTERCEPT_SIGTIMEDWAIT
4373	INTERCEPTOR(int, sigtimedwait, __sanitizer_sigset_t *set, void *info,
4374	void *timeout) {
4375	void *ctx;
4376	COMMON_INTERCEPTOR_ENTER(ctx, sigtimedwait, set, info, timeout);
4377	if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz);
4378	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4379	// FIXME: under ASan the call below may write to freed memory and corrupt
4380	// its metadata. See
4381	// https://github.com/google/sanitizers/issues/321.
4382	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigtimedwait)(set, info, timeout);
4383	if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz);
4384	return res;
4385	}
4386	#define INIT_SIGTIMEDWAIT COMMON_INTERCEPT_FUNCTION(sigtimedwait);
4387	#else
4388	#define INIT_SIGTIMEDWAIT
4389	#endif
4390
4391	#if SANITIZER_INTERCEPT_SIGSETOPS
4392	INTERCEPTOR(int, sigemptyset, __sanitizer_sigset_t *set) {
4393	void *ctx;
4394	COMMON_INTERCEPTOR_ENTER(ctx, sigemptyset, set);
4395	// FIXME: under ASan the call below may write to freed memory and corrupt
4396	// its metadata. See
4397	// https://github.com/google/sanitizers/issues/321.
4398	int res = REAL(sigemptyset)(set);
4399	if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
4400	return res;
4401	}
4402
4403	INTERCEPTOR(int, sigfillset, __sanitizer_sigset_t *set) {
4404	void *ctx;
4405	COMMON_INTERCEPTOR_ENTER(ctx, sigfillset, set);
4406	// FIXME: under ASan the call below may write to freed memory and corrupt
4407	// its metadata. See
4408	// https://github.com/google/sanitizers/issues/321.
4409	int res = REAL(sigfillset)(set);
4410	if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
4411	return res;
4412	}
4413	#define INIT_SIGSETOPS \
4414	COMMON_INTERCEPT_FUNCTION(sigemptyset); \
4415	COMMON_INTERCEPT_FUNCTION(sigfillset);
4416	#else
4417	#define INIT_SIGSETOPS
4418	#endif
4419
4420	#if SANITIZER_INTERCEPT_SIGSET_LOGICOPS
4421	INTERCEPTOR(int, sigandset, __sanitizer_sigset_t *dst,
4422	__sanitizer_sigset_t *src1, __sanitizer_sigset_t *src2) {
4423	void *ctx;
4424	COMMON_INTERCEPTOR_ENTER(ctx, sigandset, dst, src1, src2);
4425	if (src1)
4426	COMMON_INTERCEPTOR_READ_RANGE(ctx, src1, sizeof(*src1));
4427	if (src2)
4428	COMMON_INTERCEPTOR_READ_RANGE(ctx, src2, sizeof(*src2));
4429	int res = REAL(sigandset)(dst, src1, src2);
4430	if (!res && dst)
4431	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
4432	return res;
4433	}
4434
4435	INTERCEPTOR(int, sigorset, __sanitizer_sigset_t *dst,
4436	__sanitizer_sigset_t *src1, __sanitizer_sigset_t *src2) {
4437	void *ctx;
4438	COMMON_INTERCEPTOR_ENTER(ctx, sigorset, dst, src1, src2);
4439	if (src1)
4440	COMMON_INTERCEPTOR_READ_RANGE(ctx, src1, sizeof(*src1));
4441	if (src2)
4442	COMMON_INTERCEPTOR_READ_RANGE(ctx, src2, sizeof(*src2));
4443	int res = REAL(sigorset)(dst, src1, src2);
4444	if (!res && dst)
4445	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
4446	return res;
4447	}
4448	#define INIT_SIGSET_LOGICOPS \
4449	COMMON_INTERCEPT_FUNCTION(sigandset); \
4450	COMMON_INTERCEPT_FUNCTION(sigorset);
4451	#else
4452	#define INIT_SIGSET_LOGICOPS
4453	#endif
4454
4455	#if SANITIZER_INTERCEPT_SIGPENDING
4456	INTERCEPTOR(int, sigpending, __sanitizer_sigset_t *set) {
4457	void *ctx;
4458	COMMON_INTERCEPTOR_ENTER(ctx, sigpending, set);
4459	// FIXME: under ASan the call below may write to freed memory and corrupt
4460	// its metadata. See
4461	// https://github.com/google/sanitizers/issues/321.
4462	int res = REAL(sigpending)(set);
4463	if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
4464	return res;
4465	}
4466	#define INIT_SIGPENDING COMMON_INTERCEPT_FUNCTION(sigpending);
4467	#else
4468	#define INIT_SIGPENDING
4469	#endif
4470
4471	#if SANITIZER_INTERCEPT_SIGPROCMASK
4472	INTERCEPTOR(int, sigprocmask, int how, __sanitizer_sigset_t *set,
4473	__sanitizer_sigset_t *oldset) {
4474	void *ctx;
4475	COMMON_INTERCEPTOR_ENTER(ctx, sigprocmask, how, set, oldset);
4476	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4477	// FIXME: under ASan the call below may write to freed memory and corrupt
4478	// its metadata. See
4479	// https://github.com/google/sanitizers/issues/321.
4480	int res = REAL(sigprocmask)(how, set, oldset);
4481	if (!res && oldset)
4482	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset));
4483	return res;
4484	}
4485	#define INIT_SIGPROCMASK COMMON_INTERCEPT_FUNCTION(sigprocmask);
4486	#else
4487	#define INIT_SIGPROCMASK
4488	#endif
4489
4490	#if SANITIZER_INTERCEPT_PTHREAD_SIGMASK
4491	INTERCEPTOR(int, pthread_sigmask, int how, __sanitizer_sigset_t *set,
4492	__sanitizer_sigset_t *oldset) {
4493	void *ctx;
4494	COMMON_INTERCEPTOR_ENTER(ctx, pthread_sigmask, how, set, oldset);
4495	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4496	// FIXME: under ASan the call below may write to freed memory and corrupt
4497	// its metadata. See
4498	// https://github.com/google/sanitizers/issues/321.
4499	int res = REAL(pthread_sigmask)(how, set, oldset);
4500	if (!res && oldset)
4501	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset));
4502	return res;
4503	}
4504	#define INIT_PTHREAD_SIGMASK COMMON_INTERCEPT_FUNCTION(pthread_sigmask);
4505	#else
4506	#define INIT_PTHREAD_SIGMASK
4507	#endif
4508
4509	#if SANITIZER_INTERCEPT_BACKTRACE
4510	INTERCEPTOR(int, backtrace, void **buffer, int size) {
4511	void *ctx;
4512	COMMON_INTERCEPTOR_ENTER(ctx, backtrace, buffer, size);
4513	// 'buffer' might be freed memory, hence it is unsafe to directly call
4514	// REAL(backtrace)(buffer, size). Instead, we use our own known-good
4515	// scratch buffer.
4516	void **scratch = (void**)InternalAlloc(sizeof(void*) * size);
4517	int res = REAL(backtrace)(scratch, size);
4518	if (res && buffer) {
4519	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buffer, res * sizeof(*buffer));
4520	internal_memcpy(buffer, scratch, res * sizeof(*buffer));
4521	}
4522	InternalFree(scratch);
4523	return res;
4524	}
4525
4526	INTERCEPTOR(char **, backtrace_symbols, void **buffer, int size) {
4527	void *ctx;
4528	COMMON_INTERCEPTOR_ENTER(ctx, backtrace_symbols, buffer, size);
4529	if (buffer && size)
4530	COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, size * sizeof(*buffer));
4531	// The COMMON_INTERCEPTOR_READ_RANGE above ensures that 'buffer' is
4532	// valid for reading.
4533	char **res = REAL(backtrace_symbols)(buffer, size);
4534	if (res && size) {
4535	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, size * sizeof(*res));
4536	for (int i = 0; i < size; ++i)
4537	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res[i], internal_strlen(res[i]) + 1);
4538	}
4539	return res;
4540	}
4541	#define INIT_BACKTRACE \
4542	COMMON_INTERCEPT_FUNCTION(backtrace); \
4543	COMMON_INTERCEPT_FUNCTION(backtrace_symbols);
4544	#else
4545	#define INIT_BACKTRACE
4546	#endif
4547
4548	#if SANITIZER_INTERCEPT__EXIT
4549	INTERCEPTOR(void, _exit, int status) {
4550	void *ctx;
4551	COMMON_INTERCEPTOR_ENTER(ctx, _exit, status);
4552	COMMON_INTERCEPTOR_USER_CALLBACK_START();
4553	int status1 = COMMON_INTERCEPTOR_ON_EXIT(ctx);
4554	COMMON_INTERCEPTOR_USER_CALLBACK_END();
4555	if (status == 0) status = status1;
4556	REAL(_exit)(status);
4557	}
4558	#define INIT__EXIT COMMON_INTERCEPT_FUNCTION(_exit);
4559	#else
4560	#define INIT__EXIT
4561	#endif
4562
4563	#if SANITIZER_INTERCEPT___LIBC_MUTEX
4564	INTERCEPTOR(int, __libc_thr_setcancelstate, int state, int *oldstate)
4565	ALIAS(WRAP(pthread_setcancelstate));
4566
4567	#define INIT___LIBC_THR_SETCANCELSTATE \
4568	COMMON_INTERCEPT_FUNCTION(__libc_thr_setcancelstate)
4569	#else
4570	#define INIT___LIBC_THR_SETCANCELSTATE
4571	#endif
4572
4573	#if SANITIZER_INTERCEPT_GETMNTENT || SANITIZER_INTERCEPT_GETMNTENT_R
4574	static void write_mntent(void *ctx, __sanitizer_mntent *mnt) {
4575	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt, sizeof(*mnt));
4576	if (mnt->mnt_fsname)
4577	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_fsname,
4578	internal_strlen(mnt->mnt_fsname) + 1);
4579	if (mnt->mnt_dir)
4580	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_dir,
4581	internal_strlen(mnt->mnt_dir) + 1);
4582	if (mnt->mnt_type)
4583	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_type,
4584	internal_strlen(mnt->mnt_type) + 1);
4585	if (mnt->mnt_opts)
4586	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_opts,
4587	internal_strlen(mnt->mnt_opts) + 1);
4588	}
4589	#endif
4590
4591	#if SANITIZER_INTERCEPT_GETMNTENT
4592	INTERCEPTOR(__sanitizer_mntent *, getmntent, void *fp) {
4593	void *ctx;
4594	COMMON_INTERCEPTOR_ENTER(ctx, getmntent, fp);
4595	__sanitizer_mntent *res = REAL(getmntent)(fp);
4596	if (res) write_mntent(ctx, res);
4597	return res;
4598	}
4599	#define INIT_GETMNTENT COMMON_INTERCEPT_FUNCTION(getmntent);
4600	#else
4601	#define INIT_GETMNTENT
4602	#endif
4603
4604	#if SANITIZER_INTERCEPT_GETMNTENT_R
4605	INTERCEPTOR(__sanitizer_mntent *, getmntent_r, void *fp,
4606	__sanitizer_mntent *mntbuf, char *buf, int buflen) {
4607	void *ctx;
4608	COMMON_INTERCEPTOR_ENTER(ctx, getmntent_r, fp, mntbuf, buf, buflen);
4609	__sanitizer_mntent *res = REAL(getmntent_r)(fp, mntbuf, buf, buflen);
4610	if (res) write_mntent(ctx, res);
4611	return res;
4612	}
4613	#define INIT_GETMNTENT_R COMMON_INTERCEPT_FUNCTION(getmntent_r);
4614	#else
4615	#define INIT_GETMNTENT_R
4616	#endif
4617
4618	#if SANITIZER_INTERCEPT_STATFS
4619	INTERCEPTOR(int, statfs, char *path, void *buf) {
4620	void *ctx;
4621	COMMON_INTERCEPTOR_ENTER(ctx, statfs, path, buf);
4622	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4623	// FIXME: under ASan the call below may write to freed memory and corrupt
4624	// its metadata. See
4625	// https://github.com/google/sanitizers/issues/321.
4626	int res = REAL(statfs)(path, buf);
4627	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz);
4628	return res;
4629	}
4630	INTERCEPTOR(int, fstatfs, int fd, void *buf) {
4631	void *ctx;
4632	COMMON_INTERCEPTOR_ENTER(ctx, fstatfs, fd, buf);
4633	// FIXME: under ASan the call below may write to freed memory and corrupt
4634	// its metadata. See
4635	// https://github.com/google/sanitizers/issues/321.
4636	int res = REAL(fstatfs)(fd, buf);
4637	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz);
4638	return res;
4639	}
4640	#define INIT_STATFS \
4641	COMMON_INTERCEPT_FUNCTION(statfs); \
4642	COMMON_INTERCEPT_FUNCTION(fstatfs);
4643	#else
4644	#define INIT_STATFS
4645	#endif
4646
4647	#if SANITIZER_INTERCEPT_STATFS64
4648	INTERCEPTOR(int, statfs64, char *path, void *buf) {
4649	void *ctx;
4650	COMMON_INTERCEPTOR_ENTER(ctx, statfs64, path, buf);
4651	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4652	// FIXME: under ASan the call below may write to freed memory and corrupt
4653	// its metadata. See
4654	// https://github.com/google/sanitizers/issues/321.
4655	int res = REAL(statfs64)(path, buf);
4656	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz);
4657	return res;
4658	}
4659	INTERCEPTOR(int, fstatfs64, int fd, void *buf) {
4660	void *ctx;
4661	COMMON_INTERCEPTOR_ENTER(ctx, fstatfs64, fd, buf);
4662	// FIXME: under ASan the call below may write to freed memory and corrupt
4663	// its metadata. See
4664	// https://github.com/google/sanitizers/issues/321.
4665	int res = REAL(fstatfs64)(fd, buf);
4666	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz);
4667	return res;
4668	}
4669	#define INIT_STATFS64 \
4670	COMMON_INTERCEPT_FUNCTION(statfs64); \
4671	COMMON_INTERCEPT_FUNCTION(fstatfs64);
4672	#else
4673	#define INIT_STATFS64
4674	#endif
4675
4676	#if SANITIZER_INTERCEPT_STATVFS
4677	INTERCEPTOR(int, statvfs, char *path, void *buf) {
4678	void *ctx;
4679	COMMON_INTERCEPTOR_ENTER(ctx, statvfs, path, buf);
4680	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4681	// FIXME: under ASan the call below may write to freed memory and corrupt
4682	// its metadata. See
4683	// https://github.com/google/sanitizers/issues/321.
4684	int res = REAL(statvfs)(path, buf);
4685	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
4686	return res;
4687	}
4688	INTERCEPTOR(int, fstatvfs, int fd, void *buf) {
4689	void *ctx;
4690	COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs, fd, buf);
4691	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
4692	// FIXME: under ASan the call below may write to freed memory and corrupt
4693	// its metadata. See
4694	// https://github.com/google/sanitizers/issues/321.
4695	int res = REAL(fstatvfs)(fd, buf);
4696	if (!res) {
4697	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
4698	if (fd >= 0)
4699	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
4700	}
4701	return res;
4702	}
4703	#define INIT_STATVFS \
4704	COMMON_INTERCEPT_FUNCTION(statvfs); \
4705	COMMON_INTERCEPT_FUNCTION(fstatvfs);
4706	#else
4707	#define INIT_STATVFS
4708	#endif
4709
4710	#if SANITIZER_INTERCEPT_STATVFS64
4711	INTERCEPTOR(int, statvfs64, char *path, void *buf) {
4712	void *ctx;
4713	COMMON_INTERCEPTOR_ENTER(ctx, statvfs64, path, buf);
4714	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4715	// FIXME: under ASan the call below may write to freed memory and corrupt
4716	// its metadata. See
4717	// https://github.com/google/sanitizers/issues/321.
4718	int res = REAL(statvfs64)(path, buf);
4719	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz);
4720	return res;
4721	}
4722	INTERCEPTOR(int, fstatvfs64, int fd, void *buf) {
4723	void *ctx;
4724	COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs64, fd, buf);
4725	// FIXME: under ASan the call below may write to freed memory and corrupt
4726	// its metadata. See
4727	// https://github.com/google/sanitizers/issues/321.
4728	int res = REAL(fstatvfs64)(fd, buf);
4729	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz);
4730	return res;
4731	}
4732	#define INIT_STATVFS64 \
4733	COMMON_INTERCEPT_FUNCTION(statvfs64); \
4734	COMMON_INTERCEPT_FUNCTION(fstatvfs64);
4735	#else
4736	#define INIT_STATVFS64
4737	#endif
4738
4739	#if SANITIZER_INTERCEPT_INITGROUPS
4740	INTERCEPTOR(int, initgroups, char *user, u32 group) {
4741	void *ctx;
4742	COMMON_INTERCEPTOR_ENTER(ctx, initgroups, user, group);
4743	if (user) COMMON_INTERCEPTOR_READ_RANGE(ctx, user, internal_strlen(user) + 1);
4744	int res = REAL(initgroups)(user, group);
4745	return res;
4746	}
4747	#define INIT_INITGROUPS COMMON_INTERCEPT_FUNCTION(initgroups);
4748	#else
4749	#define INIT_INITGROUPS
4750	#endif
4751
4752	#if SANITIZER_INTERCEPT_ETHER_NTOA_ATON
4753	INTERCEPTOR(char *, ether_ntoa, __sanitizer_ether_addr *addr) {
4754	void *ctx;
4755	COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa, addr);
4756	if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
4757	char *res = REAL(ether_ntoa)(addr);
4758	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
4759	return res;
4760	}
4761	INTERCEPTOR(__sanitizer_ether_addr *, ether_aton, char *buf) {
4762	void *ctx;
4763	COMMON_INTERCEPTOR_ENTER(ctx, ether_aton, buf);
4764	if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, internal_strlen(buf) + 1);
4765	__sanitizer_ether_addr *res = REAL(ether_aton)(buf);
4766	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, sizeof(*res));
4767	return res;
4768	}
4769	#define INIT_ETHER_NTOA_ATON \
4770	COMMON_INTERCEPT_FUNCTION(ether_ntoa); \
4771	COMMON_INTERCEPT_FUNCTION(ether_aton);
4772	#else
4773	#define INIT_ETHER_NTOA_ATON
4774	#endif
4775
4776	#if SANITIZER_INTERCEPT_ETHER_HOST
4777	INTERCEPTOR(int, ether_ntohost, char *hostname, __sanitizer_ether_addr *addr) {
4778	void *ctx;
4779	COMMON_INTERCEPTOR_ENTER(ctx, ether_ntohost, hostname, addr);
4780	if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
4781	// FIXME: under ASan the call below may write to freed memory and corrupt
4782	// its metadata. See
4783	// https://github.com/google/sanitizers/issues/321.
4784	int res = REAL(ether_ntohost)(hostname, addr);
4785	if (!res && hostname)
4786	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, internal_strlen(hostname) + 1);
4787	return res;
4788	}
4789	INTERCEPTOR(int, ether_hostton, char *hostname, __sanitizer_ether_addr *addr) {
4790	void *ctx;
4791	COMMON_INTERCEPTOR_ENTER(ctx, ether_hostton, hostname, addr);
4792	if (hostname)
4793	COMMON_INTERCEPTOR_READ_RANGE(ctx, hostname, internal_strlen(hostname) + 1);
4794	// FIXME: under ASan the call below may write to freed memory and corrupt
4795	// its metadata. See
4796	// https://github.com/google/sanitizers/issues/321.
4797	int res = REAL(ether_hostton)(hostname, addr);
4798	if (!res && addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
4799	return res;
4800	}
4801	INTERCEPTOR(int, ether_line, char *line, __sanitizer_ether_addr *addr,
4802	char *hostname) {
4803	void *ctx;
4804	COMMON_INTERCEPTOR_ENTER(ctx, ether_line, line, addr, hostname);
4805	if (line) COMMON_INTERCEPTOR_READ_RANGE(ctx, line, internal_strlen(line) + 1);
4806	// FIXME: under ASan the call below may write to freed memory and corrupt
4807	// its metadata. See
4808	// https://github.com/google/sanitizers/issues/321.
4809	int res = REAL(ether_line)(line, addr, hostname);
4810	if (!res) {
4811	if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
4812	if (hostname)
4813	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, internal_strlen(hostname) + 1);
4814	}
4815	return res;
4816	}
4817	#define INIT_ETHER_HOST \
4818	COMMON_INTERCEPT_FUNCTION(ether_ntohost); \
4819	COMMON_INTERCEPT_FUNCTION(ether_hostton); \
4820	COMMON_INTERCEPT_FUNCTION(ether_line);
4821	#else
4822	#define INIT_ETHER_HOST
4823	#endif
4824
4825	#if SANITIZER_INTERCEPT_ETHER_R
4826	INTERCEPTOR(char *, ether_ntoa_r, __sanitizer_ether_addr *addr, char *buf) {
4827	void *ctx;
4828	COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa_r, addr, buf);
4829	if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
4830	// FIXME: under ASan the call below may write to freed memory and corrupt
4831	// its metadata. See
4832	// https://github.com/google/sanitizers/issues/321.
4833	char *res = REAL(ether_ntoa_r)(addr, buf);
4834	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
4835	return res;
4836	}
4837	INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf,
4838	__sanitizer_ether_addr *addr) {
4839	void *ctx;
4840	COMMON_INTERCEPTOR_ENTER(ctx, ether_aton_r, buf, addr);
4841	if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, internal_strlen(buf) + 1);
4842	// FIXME: under ASan the call below may write to freed memory and corrupt
4843	// its metadata. See
4844	// https://github.com/google/sanitizers/issues/321.
4845	__sanitizer_ether_addr *res = REAL(ether_aton_r)(buf, addr);
4846	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(*res));
4847	return res;
4848	}
4849	#define INIT_ETHER_R \
4850	COMMON_INTERCEPT_FUNCTION(ether_ntoa_r); \
4851	COMMON_INTERCEPT_FUNCTION(ether_aton_r);
4852	#else
4853	#define INIT_ETHER_R
4854	#endif
4855
4856	#if SANITIZER_INTERCEPT_SHMCTL
4857	INTERCEPTOR(int, shmctl, int shmid, int cmd, void *buf) {
4858	void *ctx;
4859	COMMON_INTERCEPTOR_ENTER(ctx, shmctl, shmid, cmd, buf);
4860	// FIXME: under ASan the call below may write to freed memory and corrupt
4861	// its metadata. See
4862	// https://github.com/google/sanitizers/issues/321.
4863	int res = REAL(shmctl)(shmid, cmd, buf);
4864	if (res >= 0) {
4865	unsigned sz = 0;
4866	if (cmd == shmctl_ipc_stat || cmd == shmctl_shm_stat)
4867	sz = sizeof(__sanitizer_shmid_ds);
4868	else if (cmd == shmctl_ipc_info)
4869	sz = struct_shminfo_sz;
4870	else if (cmd == shmctl_shm_info)
4871	sz = struct_shm_info_sz;
4872	if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz);
4873	}
4874	return res;
4875	}
4876	#define INIT_SHMCTL COMMON_INTERCEPT_FUNCTION(shmctl);
4877	#else
4878	#define INIT_SHMCTL
4879	#endif
4880
4881	#if SANITIZER_INTERCEPT_RANDOM_R
4882	INTERCEPTOR(int, random_r, void *buf, u32 *result) {
4883	void *ctx;
4884	COMMON_INTERCEPTOR_ENTER(ctx, random_r, buf, result);
4885	// FIXME: under ASan the call below may write to freed memory and corrupt
4886	// its metadata. See
4887	// https://github.com/google/sanitizers/issues/321.
4888	int res = REAL(random_r)(buf, result);
4889	if (!res && result)
4890	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
4891	return res;
4892	}
4893	#define INIT_RANDOM_R COMMON_INTERCEPT_FUNCTION(random_r);
4894	#else
4895	#define INIT_RANDOM_R
4896	#endif
4897
4898	// FIXME: under ASan the REAL() call below may write to freed memory and corrupt
4899	// its metadata. See
4900	// https://github.com/google/sanitizers/issues/321.
4901	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \
4902	SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED || \
4903	SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED || \
4904	SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET || \
4905	SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET || \
4906	SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET || \
4907	SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET
4908	#define INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(fn, sz) \
4909	INTERCEPTOR(int, fn, void *attr, void *r) { \
4910	void *ctx; \
4911	COMMON_INTERCEPTOR_ENTER(ctx, fn, attr, r); \
4912	int res = REAL(fn)(attr, r); \
4913	if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \
4914	return res; \
4915	}
4916	#define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \
4917	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_attr_get##what, sz)
4918	#define INTERCEPTOR_PTHREAD_MUTEXATTR_GET(what, sz) \
4919	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_mutexattr_get##what, sz)
4920	#define INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(what, sz) \
4921	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_rwlockattr_get##what, sz)
4922	#define INTERCEPTOR_PTHREAD_CONDATTR_GET(what, sz) \
4923	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_condattr_get##what, sz)
4924	#define INTERCEPTOR_PTHREAD_BARRIERATTR_GET(what, sz) \
4925	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_barrierattr_get##what, sz)
4926	#endif
4927
4928	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET
4929	INTERCEPTOR_PTHREAD_ATTR_GET(detachstate, sizeof(int))
4930	INTERCEPTOR_PTHREAD_ATTR_GET(guardsize, sizeof(SIZE_T))
4931	INTERCEPTOR_PTHREAD_ATTR_GET(scope, sizeof(int))
4932	INTERCEPTOR_PTHREAD_ATTR_GET(stacksize, sizeof(SIZE_T))
4933	INTERCEPTOR(int, pthread_attr_getstack, void *attr, void **addr, SIZE_T *size) {
4934	void *ctx;
4935	COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getstack, attr, addr, size);
4936	// FIXME: under ASan the call below may write to freed memory and corrupt
4937	// its metadata. See
4938	// https://github.com/google/sanitizers/issues/321.
4939	int res = REAL(pthread_attr_getstack)(attr, addr, size);
4940	if (!res) {
4941	if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
4942	if (size) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, size, sizeof(*size));
4943	}
4944	return res;
4945	}
4946
4947	// We may need to call the real pthread_attr_getstack from the run-time
4948	// in sanitizer_common, but we don't want to include the interception headers
4949	// there. So, just define this function here.
4950	namespace __sanitizer {
4951	extern "C" {
4952	int real_pthread_attr_getstack(void *attr, void **addr, SIZE_T *size) {
4953	return REAL(pthread_attr_getstack)(attr, addr, size);
4954	}
4955	} // extern "C"
4956	} // namespace __sanitizer
4957
4958	#define INIT_PTHREAD_ATTR_GET \
4959	COMMON_INTERCEPT_FUNCTION(pthread_attr_getdetachstate); \
4960	COMMON_INTERCEPT_FUNCTION(pthread_attr_getguardsize); \
4961	COMMON_INTERCEPT_FUNCTION(pthread_attr_getscope); \
4962	COMMON_INTERCEPT_FUNCTION(pthread_attr_getstacksize); \
4963	COMMON_INTERCEPT_FUNCTION(pthread_attr_getstack);
4964	#else
4965	#define INIT_PTHREAD_ATTR_GET
4966	#endif
4967
4968	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED
4969	INTERCEPTOR_PTHREAD_ATTR_GET(schedparam, struct_sched_param_sz)
4970	INTERCEPTOR_PTHREAD_ATTR_GET(schedpolicy, sizeof(int))
4971
4972	#define INIT_PTHREAD_ATTR_GET_SCHED \
4973	COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedparam); \
4974	COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedpolicy);
4975	#else
4976	#define INIT_PTHREAD_ATTR_GET_SCHED
4977	#endif
4978
4979	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED
4980	INTERCEPTOR_PTHREAD_ATTR_GET(inheritsched, sizeof(int))
4981
4982	#define INIT_PTHREAD_ATTR_GETINHERITSCHED \
4983	COMMON_INTERCEPT_FUNCTION(pthread_attr_getinheritsched);
4984	#else
4985	#define INIT_PTHREAD_ATTR_GETINHERITSCHED
4986	#endif
4987
4988	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP
4989	INTERCEPTOR(int, pthread_attr_getaffinity_np, void *attr, SIZE_T cpusetsize,
4990	void *cpuset) {
4991	void *ctx;
4992	COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getaffinity_np, attr, cpusetsize,
4993	cpuset);
4994	// FIXME: under ASan the call below may write to freed memory and corrupt
4995	// its metadata. See
4996	// https://github.com/google/sanitizers/issues/321.
4997	int res = REAL(pthread_attr_getaffinity_np)(attr, cpusetsize, cpuset);
4998	if (!res && cpusetsize && cpuset)
4999	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize);
5000	return res;
5001	}
5002
5003	#define INIT_PTHREAD_ATTR_GETAFFINITY_NP \
5004	COMMON_INTERCEPT_FUNCTION(pthread_attr_getaffinity_np);
5005	#else
5006	#define INIT_PTHREAD_ATTR_GETAFFINITY_NP
5007	#endif
5008
5009	#if SANITIZER_INTERCEPT_PTHREAD_GETAFFINITY_NP
5010	INTERCEPTOR(int, pthread_getaffinity_np, void *attr, SIZE_T cpusetsize,
5011	void *cpuset) {
5012	void *ctx;
5013	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getaffinity_np, attr, cpusetsize,
5014	cpuset);
5015	// FIXME: under ASan the call below may write to freed memory and corrupt
5016	// its metadata. See
5017	// https://github.com/google/sanitizers/issues/321.
5018	int res = REAL(pthread_getaffinity_np)(attr, cpusetsize, cpuset);
5019	if (!res && cpusetsize && cpuset)
5020	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize);
5021	return res;
5022	}
5023
5024	#define INIT_PTHREAD_GETAFFINITY_NP \
5025	COMMON_INTERCEPT_FUNCTION(pthread_getaffinity_np);
5026	#else
5027	#define INIT_PTHREAD_GETAFFINITY_NP
5028	#endif
5029
5030	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED
5031	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(pshared, sizeof(int))
5032	#define INIT_PTHREAD_MUTEXATTR_GETPSHARED \
5033	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getpshared);
5034	#else
5035	#define INIT_PTHREAD_MUTEXATTR_GETPSHARED
5036	#endif
5037
5038	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE
5039	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(type, sizeof(int))
5040	#define INIT_PTHREAD_MUTEXATTR_GETTYPE \
5041	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_gettype);
5042	#else
5043	#define INIT_PTHREAD_MUTEXATTR_GETTYPE
5044	#endif
5045
5046	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL
5047	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(protocol, sizeof(int))
5048	#define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL \
5049	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprotocol);
5050	#else
5051	#define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL
5052	#endif
5053
5054	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING
5055	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(prioceiling, sizeof(int))
5056	#define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING \
5057	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprioceiling);
5058	#else
5059	#define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING
5060	#endif
5061
5062	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST
5063	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust, sizeof(int))
5064	#define INIT_PTHREAD_MUTEXATTR_GETROBUST \
5065	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust);
5066	#else
5067	#define INIT_PTHREAD_MUTEXATTR_GETROBUST
5068	#endif
5069
5070	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP
5071	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust_np, sizeof(int))
5072	#define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP \
5073	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust_np);
5074	#else
5075	#define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP
5076	#endif
5077
5078	#if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED
5079	INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(pshared, sizeof(int))
5080	#define INIT_PTHREAD_RWLOCKATTR_GETPSHARED \
5081	COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getpshared);
5082	#else
5083	#define INIT_PTHREAD_RWLOCKATTR_GETPSHARED
5084	#endif
5085
5086	#if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP
5087	INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(kind_np, sizeof(int))
5088	#define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP \
5089	COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getkind_np);
5090	#else
5091	#define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP
5092	#endif
5093
5094	#if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED
5095	INTERCEPTOR_PTHREAD_CONDATTR_GET(pshared, sizeof(int))
5096	#define INIT_PTHREAD_CONDATTR_GETPSHARED \
5097	COMMON_INTERCEPT_FUNCTION(pthread_condattr_getpshared);
5098	#else
5099	#define INIT_PTHREAD_CONDATTR_GETPSHARED
5100	#endif
5101
5102	#if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK
5103	INTERCEPTOR_PTHREAD_CONDATTR_GET(clock, sizeof(int))
5104	#define INIT_PTHREAD_CONDATTR_GETCLOCK \
5105	COMMON_INTERCEPT_FUNCTION(pthread_condattr_getclock);
5106	#else
5107	#define INIT_PTHREAD_CONDATTR_GETCLOCK
5108	#endif
5109
5110	#if SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED
5111	INTERCEPTOR_PTHREAD_BARRIERATTR_GET(pshared, sizeof(int)) // !mac !android
5112	#define INIT_PTHREAD_BARRIERATTR_GETPSHARED \
5113	COMMON_INTERCEPT_FUNCTION(pthread_barrierattr_getpshared);
5114	#else
5115	#define INIT_PTHREAD_BARRIERATTR_GETPSHARED
5116	#endif
5117
5118	#if SANITIZER_INTERCEPT_TMPNAM
5119	INTERCEPTOR(char *, tmpnam, char *s) {
5120	void *ctx;
5121	COMMON_INTERCEPTOR_ENTER(ctx, tmpnam, s);
5122	char *res = REAL(tmpnam)(s);
5123	if (res) {
5124	if (s)
5125	// FIXME: under ASan the call below may write to freed memory and corrupt
5126	// its metadata. See
5127	// https://github.com/google/sanitizers/issues/321.
5128	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, internal_strlen(s) + 1);
5129	else
5130	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5131	}
5132	return res;
5133	}
5134	#define INIT_TMPNAM COMMON_INTERCEPT_FUNCTION(tmpnam);
5135	#else
5136	#define INIT_TMPNAM
5137	#endif
5138
5139	#if SANITIZER_INTERCEPT_TMPNAM_R
5140	INTERCEPTOR(char *, tmpnam_r, char *s) {
5141	void *ctx;
5142	COMMON_INTERCEPTOR_ENTER(ctx, tmpnam_r, s);
5143	// FIXME: under ASan the call below may write to freed memory and corrupt
5144	// its metadata. See
5145	// https://github.com/google/sanitizers/issues/321.
5146	char *res = REAL(tmpnam_r)(s);
5147	if (res && s) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, internal_strlen(s) + 1);
5148	return res;
5149	}
5150	#define INIT_TMPNAM_R COMMON_INTERCEPT_FUNCTION(tmpnam_r);
5151	#else
5152	#define INIT_TMPNAM_R
5153	#endif
5154
5155	#if SANITIZER_INTERCEPT_PTSNAME
5156	INTERCEPTOR(char *, ptsname, int fd) {
5157	void *ctx;
5158	COMMON_INTERCEPTOR_ENTER(ctx, ptsname, fd);
5159	char *res = REAL(ptsname)(fd);
5160	if (res != nullptr)
5161	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5162	return res;
5163	}
5164	#define INIT_PTSNAME COMMON_INTERCEPT_FUNCTION(ptsname);
5165	#else
5166	#define INIT_PTSNAME
5167	#endif
5168
5169	#if SANITIZER_INTERCEPT_PTSNAME_R
5170	INTERCEPTOR(int, ptsname_r, int fd, char *name, SIZE_T namesize) {
5171	void *ctx;
5172	COMMON_INTERCEPTOR_ENTER(ctx, ptsname_r, fd, name, namesize);
5173	int res = REAL(ptsname_r)(fd, name, namesize);
5174	if (res == 0)
5175	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
5176	return res;
5177	}
5178	#define INIT_PTSNAME_R COMMON_INTERCEPT_FUNCTION(ptsname_r);
5179	#else
5180	#define INIT_PTSNAME_R
5181	#endif
5182
5183	#if SANITIZER_INTERCEPT_TTYNAME
5184	INTERCEPTOR(char *, ttyname, int fd) {
5185	void *ctx;
5186	COMMON_INTERCEPTOR_ENTER(ctx, ttyname, fd);
5187	char *res = REAL(ttyname)(fd);
5188	if (res != nullptr)
5189	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5190	return res;
5191	}
5192	#define INIT_TTYNAME COMMON_INTERCEPT_FUNCTION(ttyname);
5193	#else
5194	#define INIT_TTYNAME
5195	#endif
5196
5197	#if SANITIZER_INTERCEPT_TTYNAME_R
5198	INTERCEPTOR(int, ttyname_r, int fd, char *name, SIZE_T namesize) {
5199	void *ctx;
5200	COMMON_INTERCEPTOR_ENTER(ctx, ttyname_r, fd, name, namesize);
5201	int res = REAL(ttyname_r)(fd, name, namesize);
5202	if (res == 0)
5203	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
5204	return res;
5205	}
5206	#define INIT_TTYNAME_R COMMON_INTERCEPT_FUNCTION(ttyname_r);
5207	#else
5208	#define INIT_TTYNAME_R
5209	#endif
5210
5211	#if SANITIZER_INTERCEPT_TEMPNAM
5212	INTERCEPTOR(char *, tempnam, char *dir, char *pfx) {
5213	void *ctx;
5214	COMMON_INTERCEPTOR_ENTER(ctx, tempnam, dir, pfx);
5215	if (dir) COMMON_INTERCEPTOR_READ_RANGE(ctx, dir, internal_strlen(dir) + 1);
5216	if (pfx) COMMON_INTERCEPTOR_READ_RANGE(ctx, pfx, internal_strlen(pfx) + 1);
5217	char *res = REAL(tempnam)(dir, pfx);
5218	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5219	return res;
5220	}
5221	#define INIT_TEMPNAM COMMON_INTERCEPT_FUNCTION(tempnam);
5222	#else
5223	#define INIT_TEMPNAM
5224	#endif
5225
5226	#if SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP && !SANITIZER_NETBSD
5227	INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name) {
5228	void *ctx;
5229	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name);
5230	COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0);
5231	COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name);
5232	return REAL(pthread_setname_np)(thread, name);
5233	}
5234	#define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np);
5235	#elif SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP && SANITIZER_NETBSD
5236	INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name, void *arg) {
5237	void *ctx;
5238	char newname[32]; // PTHREAD_MAX_NAMELEN_NP=32
5239	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name, arg);
5240	COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0);
5241	internal_snprintf(newname, sizeof(newname), name, arg);
5242	COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, newname);
5243	return REAL(pthread_setname_np)(thread, name, arg);
5244	}
5245	#define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np);
5246	#else
5247	#define INIT_PTHREAD_SETNAME_NP
5248	#endif
5249
5250	#if SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP
5251	INTERCEPTOR(int, pthread_getname_np, uptr thread, char *name, SIZE_T len) {
5252	void *ctx;
5253	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getname_np, thread, name, len);
5254	int res = REAL(pthread_getname_np)(thread, name, len);
5255	if (!res)
5256	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strnlen(name, len) + 1);
5257	return res;
5258	}
5259	#define INIT_PTHREAD_GETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_getname_np);
5260	#else
5261	#define INIT_PTHREAD_GETNAME_NP
5262	#endif
5263
5264	#if SANITIZER_INTERCEPT_SINCOS
5265	INTERCEPTOR(void, sincos, double x, double *sin, double *cos) {
5266	void *ctx;
5267	COMMON_INTERCEPTOR_ENTER(ctx, sincos, x, sin, cos);
5268	// FIXME: under ASan the call below may write to freed memory and corrupt
5269	// its metadata. See
5270	// https://github.com/google/sanitizers/issues/321.
5271	REAL(sincos)(x, sin, cos);
5272	if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
5273	if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
5274	}
5275	INTERCEPTOR(void, sincosf, float x, float *sin, float *cos) {
5276	void *ctx;
5277	COMMON_INTERCEPTOR_ENTER(ctx, sincosf, x, sin, cos);
5278	// FIXME: under ASan the call below may write to freed memory and corrupt
5279	// its metadata. See
5280	// https://github.com/google/sanitizers/issues/321.
5281	REAL(sincosf)(x, sin, cos);
5282	if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
5283	if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
5284	}
5285	INTERCEPTOR(void, sincosl, long double x, long double *sin, long double *cos) {
5286	void *ctx;
5287	COMMON_INTERCEPTOR_ENTER(ctx, sincosl, x, sin, cos);
5288	// FIXME: under ASan the call below may write to freed memory and corrupt
5289	// its metadata. See
5290	// https://github.com/google/sanitizers/issues/321.
5291	REAL(sincosl)(x, sin, cos);
5292	if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
5293	if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
5294	}
5295	#define INIT_SINCOS \
5296	COMMON_INTERCEPT_FUNCTION(sincos); \
5297	COMMON_INTERCEPT_FUNCTION(sincosf); \
5298	COMMON_INTERCEPT_FUNCTION_LDBL(sincosl);
5299	#else
5300	#define INIT_SINCOS
5301	#endif
5302
5303	#if SANITIZER_INTERCEPT_REMQUO
5304	INTERCEPTOR(double, remquo, double x, double y, int *quo) {
5305	void *ctx;
5306	COMMON_INTERCEPTOR_ENTER(ctx, remquo, x, y, quo);
5307	// FIXME: under ASan the call below may write to freed memory and corrupt
5308	// its metadata. See
5309	// https://github.com/google/sanitizers/issues/321.
5310	double res = REAL(remquo)(x, y, quo);
5311	if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
5312	return res;
5313	}
5314	INTERCEPTOR(float, remquof, float x, float y, int *quo) {
5315	void *ctx;
5316	COMMON_INTERCEPTOR_ENTER(ctx, remquof, x, y, quo);
5317	// FIXME: under ASan the call below may write to freed memory and corrupt
5318	// its metadata. See
5319	// https://github.com/google/sanitizers/issues/321.
5320	float res = REAL(remquof)(x, y, quo);
5321	if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
5322	return res;
5323	}
5324	#define INIT_REMQUO \
5325	COMMON_INTERCEPT_FUNCTION(remquo); \
5326	COMMON_INTERCEPT_FUNCTION(remquof);
5327	#else
5328	#define INIT_REMQUO
5329	#endif
5330
5331	#if SANITIZER_INTERCEPT_REMQUOL
5332	INTERCEPTOR(long double, remquol, long double x, long double y, int *quo) {
5333	void *ctx;
5334	COMMON_INTERCEPTOR_ENTER(ctx, remquol, x, y, quo);
5335	// FIXME: under ASan the call below may write to freed memory and corrupt
5336	// its metadata. See
5337	// https://github.com/google/sanitizers/issues/321.
5338	long double res = REAL(remquol)(x, y, quo);
5339	if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
5340	return res;
5341	}
5342	#define INIT_REMQUOL \
5343	COMMON_INTERCEPT_FUNCTION_LDBL(remquol);
5344	#else
5345	#define INIT_REMQUOL
5346	#endif
5347
5348	#if SANITIZER_INTERCEPT_LGAMMA
5349	extern int signgam;
5350	INTERCEPTOR(double, lgamma, double x) {
5351	void *ctx;
5352	COMMON_INTERCEPTOR_ENTER(ctx, lgamma, x);
5353	double res = REAL(lgamma)(x);
5354	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
5355	return res;
5356	}
5357	INTERCEPTOR(float, lgammaf, float x) {
5358	void *ctx;
5359	COMMON_INTERCEPTOR_ENTER(ctx, lgammaf, x);
5360	float res = REAL(lgammaf)(x);
5361	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
5362	return res;
5363	}
5364	#define INIT_LGAMMA \
5365	COMMON_INTERCEPT_FUNCTION(lgamma); \
5366	COMMON_INTERCEPT_FUNCTION(lgammaf);
5367	#else
5368	#define INIT_LGAMMA
5369	#endif
5370
5371	#if SANITIZER_INTERCEPT_LGAMMAL
5372	INTERCEPTOR(long double, lgammal, long double x) {
5373	void *ctx;
5374	COMMON_INTERCEPTOR_ENTER(ctx, lgammal, x);
5375	long double res = REAL(lgammal)(x);
5376	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
5377	return res;
5378	}
5379	#define INIT_LGAMMAL \
5380	COMMON_INTERCEPT_FUNCTION_LDBL(lgammal);
5381	#else
5382	#define INIT_LGAMMAL
5383	#endif
5384
5385	#if SANITIZER_INTERCEPT_LGAMMA_R
5386	INTERCEPTOR(double, lgamma_r, double x, int *signp) {
5387	void *ctx;
5388	COMMON_INTERCEPTOR_ENTER(ctx, lgamma_r, x, signp);
5389	// FIXME: under ASan the call below may write to freed memory and corrupt
5390	// its metadata. See
5391	// https://github.com/google/sanitizers/issues/321.
5392	double res = REAL(lgamma_r)(x, signp);
5393	if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
5394	return res;
5395	}
5396	INTERCEPTOR(float, lgammaf_r, float x, int *signp) {
5397	void *ctx;
5398	COMMON_INTERCEPTOR_ENTER(ctx, lgammaf_r, x, signp);
5399	// FIXME: under ASan the call below may write to freed memory and corrupt
5400	// its metadata. See
5401	// https://github.com/google/sanitizers/issues/321.
5402	float res = REAL(lgammaf_r)(x, signp);
5403	if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
5404	return res;
5405	}
5406	#define INIT_LGAMMA_R \
5407	COMMON_INTERCEPT_FUNCTION(lgamma_r); \
5408	COMMON_INTERCEPT_FUNCTION(lgammaf_r);
5409	#else
5410	#define INIT_LGAMMA_R
5411	#endif
5412
5413	#if SANITIZER_INTERCEPT_LGAMMAL_R
5414	INTERCEPTOR(long double, lgammal_r, long double x, int *signp) {
5415	void *ctx;
5416	COMMON_INTERCEPTOR_ENTER(ctx, lgammal_r, x, signp);
5417	// FIXME: under ASan the call below may write to freed memory and corrupt
5418	// its metadata. See
5419	// https://github.com/google/sanitizers/issues/321.
5420	long double res = REAL(lgammal_r)(x, signp);
5421	if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
5422	return res;
5423	}
5424	#define INIT_LGAMMAL_R COMMON_INTERCEPT_FUNCTION_LDBL(lgammal_r);
5425	#else
5426	#define INIT_LGAMMAL_R
5427	#endif
5428
5429	#if SANITIZER_INTERCEPT_DRAND48_R
5430	INTERCEPTOR(int, drand48_r, void *buffer, double *result) {
5431	void *ctx;
5432	COMMON_INTERCEPTOR_ENTER(ctx, drand48_r, buffer, result);
5433	// FIXME: under ASan the call below may write to freed memory and corrupt
5434	// its metadata. See
5435	// https://github.com/google/sanitizers/issues/321.
5436	int res = REAL(drand48_r)(buffer, result);
5437	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
5438	return res;
5439	}
5440	INTERCEPTOR(int, lrand48_r, void *buffer, long *result) {
5441	void *ctx;
5442	COMMON_INTERCEPTOR_ENTER(ctx, lrand48_r, buffer, result);
5443	// FIXME: under ASan the call below may write to freed memory and corrupt
5444	// its metadata. See
5445	// https://github.com/google/sanitizers/issues/321.
5446	int res = REAL(lrand48_r)(buffer, result);
5447	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
5448	return res;
5449	}
5450	#define INIT_DRAND48_R \
5451	COMMON_INTERCEPT_FUNCTION(drand48_r); \
5452	COMMON_INTERCEPT_FUNCTION(lrand48_r);
5453	#else
5454	#define INIT_DRAND48_R
5455	#endif
5456
5457	#if SANITIZER_INTERCEPT_RAND_R
5458	INTERCEPTOR(int, rand_r, unsigned *seedp) {
5459	void *ctx;
5460	COMMON_INTERCEPTOR_ENTER(ctx, rand_r, seedp);
5461	COMMON_INTERCEPTOR_READ_RANGE(ctx, seedp, sizeof(*seedp));
5462	return REAL(rand_r)(seedp);
5463	}
5464	#define INIT_RAND_R COMMON_INTERCEPT_FUNCTION(rand_r);
5465	#else
5466	#define INIT_RAND_R
5467	#endif
5468
5469	#if SANITIZER_INTERCEPT_GETLINE
5470	INTERCEPTOR(SSIZE_T, getline, char **lineptr, SIZE_T *n, void *stream) {
5471	void *ctx;
5472	COMMON_INTERCEPTOR_ENTER(ctx, getline, lineptr, n, stream);
5473	// FIXME: under ASan the call below may write to freed memory and corrupt
5474	// its metadata. See
5475	// https://github.com/google/sanitizers/issues/321.
5476	SSIZE_T res = REAL(getline)(lineptr, n, stream);
5477	if (res > 0) {
5478	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr));
5479	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
5480	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1);
5481	}
5482	return res;
5483	}
5484
5485	// FIXME: under ASan the call below may write to freed memory and corrupt its
5486	// metadata. See
5487	// https://github.com/google/sanitizers/issues/321.
5488	#define GETDELIM_INTERCEPTOR_IMPL(vname) \
5489	{ \
5490	void *ctx; \
5491	COMMON_INTERCEPTOR_ENTER(ctx, vname, lineptr, n, delim, stream); \
5492	SSIZE_T res = REAL(vname)(lineptr, n, delim, stream); \
5493	if (res > 0) { \
5494	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr)); \
5495	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); \
5496	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1); \
5497	} \
5498	return res; \
5499	}
5500
5501	INTERCEPTOR(SSIZE_T, __getdelim, char **lineptr, SIZE_T *n, int delim,
5502	void *stream)
5503	GETDELIM_INTERCEPTOR_IMPL(__getdelim)
5504
5505	// There's no __getdelim() on FreeBSD so we supply the getdelim() interceptor
5506	// with its own body.
5507	INTERCEPTOR(SSIZE_T, getdelim, char **lineptr, SIZE_T *n, int delim,
5508	void *stream)
5509	GETDELIM_INTERCEPTOR_IMPL(getdelim)
5510
5511	#define INIT_GETLINE \
5512	COMMON_INTERCEPT_FUNCTION(getline); \
5513	COMMON_INTERCEPT_FUNCTION(__getdelim); \
5514	COMMON_INTERCEPT_FUNCTION(getdelim);
5515	#else
5516	#define INIT_GETLINE
5517	#endif
5518
5519	#if SANITIZER_INTERCEPT_ICONV
5520	INTERCEPTOR(SIZE_T, iconv, void *cd, char **inbuf, SIZE_T *inbytesleft,
5521	char **outbuf, SIZE_T *outbytesleft) {
5522	void *ctx;
5523	COMMON_INTERCEPTOR_ENTER(ctx, iconv, cd, inbuf, inbytesleft, outbuf,
5524	outbytesleft);
5525	if (inbytesleft)
5526	COMMON_INTERCEPTOR_READ_RANGE(ctx, inbytesleft, sizeof(*inbytesleft));
5527	if (inbuf && inbytesleft)
5528	COMMON_INTERCEPTOR_READ_RANGE(ctx, *inbuf, *inbytesleft);
5529	if (outbytesleft)
5530	COMMON_INTERCEPTOR_READ_RANGE(ctx, outbytesleft, sizeof(*outbytesleft));
5531	void *outbuf_orig = outbuf ? *outbuf : nullptr;
5532	// FIXME: under ASan the call below may write to freed memory and corrupt
5533	// its metadata. See
5534	// https://github.com/google/sanitizers/issues/321.
5535	SIZE_T res = REAL(iconv)(cd, inbuf, inbytesleft, outbuf, outbytesleft);
5536	if (outbuf && *outbuf > outbuf_orig) {
5537	SIZE_T sz = (char *)*outbuf - (char *)outbuf_orig;
5538	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, outbuf_orig, sz);
5539	}
5540	return res;
5541	}
5542	#define INIT_ICONV COMMON_INTERCEPT_FUNCTION(iconv);
5543	#else
5544	#define INIT_ICONV
5545	#endif
5546
5547	#if SANITIZER_INTERCEPT_TIMES
5548	INTERCEPTOR(__sanitizer_clock_t, times, void *tms) {
5549	void *ctx;
5550	COMMON_INTERCEPTOR_ENTER(ctx, times, tms);
5551	// FIXME: under ASan the call below may write to freed memory and corrupt
5552	// its metadata. See
5553	// https://github.com/google/sanitizers/issues/321.
5554	__sanitizer_clock_t res = REAL(times)(tms);
5555	if (res != (__sanitizer_clock_t)-1 && tms)
5556	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tms, struct_tms_sz);
5557	return res;
5558	}
5559	#define INIT_TIMES COMMON_INTERCEPT_FUNCTION(times);
5560	#else
5561	#define INIT_TIMES
5562	#endif
5563
5564	#if SANITIZER_S390 && \
5565	(SANITIZER_INTERCEPT_TLS_GET_ADDR || SANITIZER_INTERCEPT_TLS_GET_OFFSET)
5566	extern "C" uptr __tls_get_offset_wrapper(void *arg, uptr (*fn)(void *arg));
5567	DEFINE_REAL(uptr, __tls_get_offset, void *arg)
5568	#endif
5569
5570	#if SANITIZER_INTERCEPT_TLS_GET_ADDR
5571	#if !SANITIZER_S390
5572	#define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_addr)
5573	// If you see any crashes around this functions, there are 2 known issues with
5574	// it: 1. __tls_get_addr can be called with mis-aligned stack due to:
5575	// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066
5576	// 2. It can be called recursively if sanitizer code uses __tls_get_addr
5577	// to access thread local variables (it should not happen normally,
5578	// because sanitizers use initial-exec tls model).
5579	INTERCEPTOR(void *, __tls_get_addr, void *arg) {
5580	void *ctx;
5581	COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr, arg);
5582	void *res = REAL(__tls_get_addr)(arg);
5583	uptr tls_begin, tls_end;
5584	COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end);
5585	DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, res, tls_begin, tls_end);
5586	if (dtv) {
5587	// New DTLS block has been allocated.
5588	COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size);
5589	}
5590	return res;
5591	}
5592	#if SANITIZER_PPC
5593	// On PowerPC, we also need to intercept __tls_get_addr_opt, which has
5594	// mostly the same semantics as __tls_get_addr, but its presence enables
5595	// some optimizations in linker (which are safe to ignore here).
5596	INTERCEPTOR(void *, __tls_get_addr_opt, void *arg) ALIAS(WRAP(__tls_get_addr));
5597	#endif
5598	#else // SANITIZER_S390
5599	// On s390, we have to intercept two functions here:
5600	// - __tls_get_addr_internal, which is a glibc-internal function that is like
5601	// the usual __tls_get_addr, but returns a TP-relative offset instead of
5602	// a proper pointer. It is used by dlsym for TLS symbols.
5603	// - __tls_get_offset, which is like the above, but also takes a GOT-relative
5604	// descriptor offset as an argument instead of a pointer. GOT address
5605	// is passed in r12, so it's necessary to write it in assembly. This is
5606	// the function used by the compiler.
5607	#define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_offset)
5608	INTERCEPTOR(uptr, __tls_get_addr_internal, void *arg) {
5609	void *ctx;
5610	COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr_internal, arg);
5611	uptr res = __tls_get_offset_wrapper(arg, REAL(__tls_get_offset));
5612	uptr tp = reinterpret_cast<uptr>(__builtin_thread_pointer());
5613	void *ptr = reinterpret_cast<void *>(res + tp);
5614	uptr tls_begin, tls_end;
5615	COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end);
5616	DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, ptr, tls_begin, tls_end);
5617	if (dtv) {
5618	// New DTLS block has been allocated.
5619	COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size);
5620	}
5621	return res;
5622	}
5623	#endif // SANITIZER_S390
5624	#else
5625	#define INIT_TLS_GET_ADDR
5626	#endif
5627
5628	#if SANITIZER_S390 && \
5629	(SANITIZER_INTERCEPT_TLS_GET_ADDR || SANITIZER_INTERCEPT_TLS_GET_OFFSET)
5630	// We need a hidden symbol aliasing the above, so that we can jump
5631	// directly to it from the assembly below.
5632	extern "C" __attribute__((visibility("hidden"))) uptr __tls_get_addr_hidden(
5633	void *arg) ALIAS(WRAP(__tls_get_addr_internal));
5634	extern "C" uptr __tls_get_offset(void *arg);
5635	extern "C" uptr TRAMPOLINE(__tls_get_offset)(void *arg);
5636	extern "C" uptr WRAP(__tls_get_offset)(void *arg);
5637	// Now carefully intercept __tls_get_offset.
5638	asm(
5639	".text\n"
5640	// The __intercept_ version has to exist, so that gen_dynamic_list.py
5641	// exports our symbol.
5642	".weak __tls_get_offset\n"
5643	".set __tls_get_offset, __interceptor___tls_get_offset\n"
5644	".global __interceptor___tls_get_offset\n"
5645	".type __interceptor___tls_get_offset, @function\n"
5646	"__interceptor___tls_get_offset:\n"
5647	#ifdef __s390x__
5648	"la %r2, 0(%r2,%r12)\n"
5649	"jg __tls_get_addr_hidden\n"
5650	#else
5651	"basr %r3,0\n"
5652	"0: la %r2,0(%r2,%r12)\n"
5653	"l %r4,1f-0b(%r3)\n"
5654	"b 0(%r4,%r3)\n"
5655	"1: .long __tls_get_addr_hidden - 0b\n"
5656	#endif
5657	".size __interceptor___tls_get_offset, .-__interceptor___tls_get_offset\n"
5658	// Assembly wrapper to call REAL(__tls_get_offset)(arg)
5659	".type __tls_get_offset_wrapper, @function\n"
5660	"__tls_get_offset_wrapper:\n"
5661	#ifdef __s390x__
5662	"sgr %r2,%r12\n"
5663	#else
5664	"sr %r2,%r12\n"
5665	#endif
5666	"br %r3\n"
5667	".size __tls_get_offset_wrapper, .-__tls_get_offset_wrapper\n"
5668	);
5669	#endif
5670
5671	#if SANITIZER_INTERCEPT_LISTXATTR
5672	INTERCEPTOR(SSIZE_T, listxattr, const char *path, char *list, SIZE_T size) {
5673	void *ctx;
5674	COMMON_INTERCEPTOR_ENTER(ctx, listxattr, path, list, size);
5675	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5676	// FIXME: under ASan the call below may write to freed memory and corrupt
5677	// its metadata. See
5678	// https://github.com/google/sanitizers/issues/321.
5679	SSIZE_T res = REAL(listxattr)(path, list, size);
5680	// Here and below, size == 0 is a special case where nothing is written to the
5681	// buffer, and res contains the desired buffer size.
5682	if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res);
5683	return res;
5684	}
5685	INTERCEPTOR(SSIZE_T, llistxattr, const char *path, char *list, SIZE_T size) {
5686	void *ctx;
5687	COMMON_INTERCEPTOR_ENTER(ctx, llistxattr, path, list, size);
5688	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5689	// FIXME: under ASan the call below may write to freed memory and corrupt
5690	// its metadata. See
5691	// https://github.com/google/sanitizers/issues/321.
5692	SSIZE_T res = REAL(llistxattr)(path, list, size);
5693	if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res);
5694	return res;
5695	}
5696	INTERCEPTOR(SSIZE_T, flistxattr, int fd, char *list, SIZE_T size) {
5697	void *ctx;
5698	COMMON_INTERCEPTOR_ENTER(ctx, flistxattr, fd, list, size);
5699	// FIXME: under ASan the call below may write to freed memory and corrupt
5700	// its metadata. See
5701	// https://github.com/google/sanitizers/issues/321.
5702	SSIZE_T res = REAL(flistxattr)(fd, list, size);
5703	if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res);
5704	return res;
5705	}
5706	#define INIT_LISTXATTR \
5707	COMMON_INTERCEPT_FUNCTION(listxattr); \
5708	COMMON_INTERCEPT_FUNCTION(llistxattr); \
5709	COMMON_INTERCEPT_FUNCTION(flistxattr);
5710	#else
5711	#define INIT_LISTXATTR
5712	#endif
5713
5714	#if SANITIZER_INTERCEPT_GETXATTR
5715	INTERCEPTOR(SSIZE_T, getxattr, const char *path, const char *name, char *value,
5716	SIZE_T size) {
5717	void *ctx;
5718	COMMON_INTERCEPTOR_ENTER(ctx, getxattr, path, name, value, size);
5719	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5720	if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
5721	// FIXME: under ASan the call below may write to freed memory and corrupt
5722	// its metadata. See
5723	// https://github.com/google/sanitizers/issues/321.
5724	SSIZE_T res = REAL(getxattr)(path, name, value, size);
5725	if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res);
5726	return res;
5727	}
5728	INTERCEPTOR(SSIZE_T, lgetxattr, const char *path, const char *name, char *value,
5729	SIZE_T size) {
5730	void *ctx;
5731	COMMON_INTERCEPTOR_ENTER(ctx, lgetxattr, path, name, value, size);
5732	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5733	if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
5734	// FIXME: under ASan the call below may write to freed memory and corrupt
5735	// its metadata. See
5736	// https://github.com/google/sanitizers/issues/321.
5737	SSIZE_T res = REAL(lgetxattr)(path, name, value, size);
5738	if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res);
5739	return res;
5740	}
5741	INTERCEPTOR(SSIZE_T, fgetxattr, int fd, const char *name, char *value,
5742	SIZE_T size) {
5743	void *ctx;
5744	COMMON_INTERCEPTOR_ENTER(ctx, fgetxattr, fd, name, value, size);
5745	if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
5746	// FIXME: under ASan the call below may write to freed memory and corrupt
5747	// its metadata. See
5748	// https://github.com/google/sanitizers/issues/321.
5749	SSIZE_T res = REAL(fgetxattr)(fd, name, value, size);
5750	if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res);
5751	return res;
5752	}
5753	#define INIT_GETXATTR \
5754	COMMON_INTERCEPT_FUNCTION(getxattr); \
5755	COMMON_INTERCEPT_FUNCTION(lgetxattr); \
5756	COMMON_INTERCEPT_FUNCTION(fgetxattr);
5757	#else
5758	#define INIT_GETXATTR
5759	#endif
5760
5761	#if SANITIZER_INTERCEPT_GETRESID
5762	INTERCEPTOR(int, getresuid, void *ruid, void *euid, void *suid) {
5763	void *ctx;
5764	COMMON_INTERCEPTOR_ENTER(ctx, getresuid, ruid, euid, suid);
5765	// FIXME: under ASan the call below may write to freed memory and corrupt
5766	// its metadata. See
5767	// https://github.com/google/sanitizers/issues/321.
5768	int res = REAL(getresuid)(ruid, euid, suid);
5769	if (res >= 0) {
5770	if (ruid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ruid, uid_t_sz);
5771	if (euid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, euid, uid_t_sz);
5772	if (suid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, suid, uid_t_sz);
5773	}
5774	return res;
5775	}
5776	INTERCEPTOR(int, getresgid, void *rgid, void *egid, void *sgid) {
5777	void *ctx;
5778	COMMON_INTERCEPTOR_ENTER(ctx, getresgid, rgid, egid, sgid);
5779	// FIXME: under ASan the call below may write to freed memory and corrupt
5780	// its metadata. See
5781	// https://github.com/google/sanitizers/issues/321.
5782	int res = REAL(getresgid)(rgid, egid, sgid);
5783	if (res >= 0) {
5784	if (rgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rgid, gid_t_sz);
5785	if (egid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, egid, gid_t_sz);
5786	if (sgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sgid, gid_t_sz);
5787	}
5788	return res;
5789	}
5790	#define INIT_GETRESID \
5791	COMMON_INTERCEPT_FUNCTION(getresuid); \
5792	COMMON_INTERCEPT_FUNCTION(getresgid);
5793	#else
5794	#define INIT_GETRESID
5795	#endif
5796
5797	#if SANITIZER_INTERCEPT_GETIFADDRS
5798	// As long as getifaddrs()/freeifaddrs() use calloc()/free(), we don't need to
5799	// intercept freeifaddrs(). If that ceases to be the case, we might need to
5800	// intercept it to poison the memory again.
5801	INTERCEPTOR(int, getifaddrs, __sanitizer_ifaddrs **ifap) {
5802	void *ctx;
5803	COMMON_INTERCEPTOR_ENTER(ctx, getifaddrs, ifap);
5804	// FIXME: under ASan the call below may write to freed memory and corrupt
5805	// its metadata. See
5806	// https://github.com/google/sanitizers/issues/321.
5807	int res = REAL(getifaddrs)(ifap);
5808	if (res == 0 && ifap) {
5809	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifap, sizeof(void *));
5810	__sanitizer_ifaddrs *p = *ifap;
5811	while (p) {
5812	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(__sanitizer_ifaddrs));
5813	if (p->ifa_name)
5814	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_name,
5815	internal_strlen(p->ifa_name) + 1);
5816	if (p->ifa_addr)
5817	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_addr, struct_sockaddr_sz);
5818	if (p->ifa_netmask)
5819	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_netmask, struct_sockaddr_sz);
5820	// On Linux this is a union, but the other member also points to a
5821	// struct sockaddr, so the following is sufficient.
5822	if (p->ifa_dstaddr)
5823	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_dstaddr, struct_sockaddr_sz);
5824	// FIXME(smatveev): Unpoison p->ifa_data as well.
5825	p = p->ifa_next;
5826	}
5827	}
5828	return res;
5829	}
5830	#define INIT_GETIFADDRS \
5831	COMMON_INTERCEPT_FUNCTION(getifaddrs);
5832	#else
5833	#define INIT_GETIFADDRS
5834	#endif
5835
5836	#if SANITIZER_INTERCEPT_IF_INDEXTONAME
5837	INTERCEPTOR(char *, if_indextoname, unsigned int ifindex, char* ifname) {
5838	void *ctx;
5839	COMMON_INTERCEPTOR_ENTER(ctx, if_indextoname, ifindex, ifname);
5840	// FIXME: under ASan the call below may write to freed memory and corrupt
5841	// its metadata. See
5842	// https://github.com/google/sanitizers/issues/321.
5843	char *res = REAL(if_indextoname)(ifindex, ifname);
5844	if (res && ifname)
5845	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifname, internal_strlen(ifname) + 1);
5846	return res;
5847	}
5848	INTERCEPTOR(unsigned int, if_nametoindex, const char* ifname) {
5849	void *ctx;
5850	COMMON_INTERCEPTOR_ENTER(ctx, if_nametoindex, ifname);
5851	if (ifname)
5852	COMMON_INTERCEPTOR_READ_RANGE(ctx, ifname, internal_strlen(ifname) + 1);
5853	return REAL(if_nametoindex)(ifname);
5854	}
5855	#define INIT_IF_INDEXTONAME \
5856	COMMON_INTERCEPT_FUNCTION(if_indextoname); \
5857	COMMON_INTERCEPT_FUNCTION(if_nametoindex);
5858	#else
5859	#define INIT_IF_INDEXTONAME
5860	#endif
5861
5862	#if SANITIZER_INTERCEPT_CAPGET
5863	INTERCEPTOR(int, capget, void *hdrp, void *datap) {
5864	void *ctx;
5865	COMMON_INTERCEPTOR_ENTER(ctx, capget, hdrp, datap);
5866	if (hdrp)
5867	COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz);
5868	// FIXME: under ASan the call below may write to freed memory and corrupt
5869	// its metadata. See
5870	// https://github.com/google/sanitizers/issues/321.
5871	int res = REAL(capget)(hdrp, datap);
5872	if (res == 0 && datap) {
5873	unsigned datasz = __user_cap_data_struct_sz(hdrp);
5874	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datap, datasz);
5875	}
5876	// We can also return -1 and write to hdrp->version if the version passed in
5877	// hdrp->version is unsupported. But that's not a trivial condition to check,
5878	// and anyway COMMON_INTERCEPTOR_READ_RANGE protects us to some extent.
5879	return res;
5880	}
5881	INTERCEPTOR(int, capset, void *hdrp, const void *datap) {
5882	void *ctx;
5883	COMMON_INTERCEPTOR_ENTER(ctx, capset, hdrp, datap);
5884	if (hdrp)
5885	COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz);
5886	if (datap) {
5887	unsigned datasz = __user_cap_data_struct_sz(hdrp);
5888	COMMON_INTERCEPTOR_READ_RANGE(ctx, datap, datasz);
5889	}
5890	return REAL(capset)(hdrp, datap);
5891	}
5892	#define INIT_CAPGET \
5893	COMMON_INTERCEPT_FUNCTION(capget); \
5894	COMMON_INTERCEPT_FUNCTION(capset);
5895	#else
5896	#define INIT_CAPGET
5897	#endif
5898
5899	#if SANITIZER_INTERCEPT_FTIME
5900	INTERCEPTOR(int, ftime, __sanitizer_timeb *tp) {
5901	void *ctx;
5902	COMMON_INTERCEPTOR_ENTER(ctx, ftime, tp);
5903	// FIXME: under ASan the call below may write to freed memory and corrupt
5904	// its metadata. See
5905	// https://github.com/google/sanitizers/issues/321.
5906	int res = REAL(ftime)(tp);
5907	if (tp)
5908	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, sizeof(*tp));
5909	return res;
5910	}
5911	#define INIT_FTIME COMMON_INTERCEPT_FUNCTION(ftime);
5912	#else
5913	#define INIT_FTIME
5914	#endif // SANITIZER_INTERCEPT_FTIME
5915
5916	#if SANITIZER_INTERCEPT_XDR
5917	INTERCEPTOR(void, xdrmem_create, __sanitizer_XDR *xdrs, uptr addr,
5918	unsigned size, int op) {
5919	void *ctx;
5920	COMMON_INTERCEPTOR_ENTER(ctx, xdrmem_create, xdrs, addr, size, op);
5921	// FIXME: under ASan the call below may write to freed memory and corrupt
5922	// its metadata. See
5923	// https://github.com/google/sanitizers/issues/321.
5924	REAL(xdrmem_create)(xdrs, addr, size, op);
5925	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs));
5926	if (op == __sanitizer_XDR_ENCODE) {
5927	// It's not obvious how much data individual xdr_ routines write.
5928	// Simply unpoison the entire target buffer in advance.
5929	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (void *)addr, size);
5930	}
5931	}
5932
5933	INTERCEPTOR(void, xdrstdio_create, __sanitizer_XDR *xdrs, void *file, int op) {
5934	void *ctx;
5935	COMMON_INTERCEPTOR_ENTER(ctx, xdrstdio_create, xdrs, file, op);
5936	// FIXME: under ASan the call below may write to freed memory and corrupt
5937	// its metadata. See
5938	// https://github.com/google/sanitizers/issues/321.
5939	REAL(xdrstdio_create)(xdrs, file, op);
5940	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs));
5941	}
5942
5943	// FIXME: under ASan the call below may write to freed memory and corrupt
5944	// its metadata. See
5945	// https://github.com/google/sanitizers/issues/321.
5946	#define XDR_INTERCEPTOR(F, T) \
5947	INTERCEPTOR(int, F, __sanitizer_XDR *xdrs, T *p) { \
5948	void *ctx; \
5949	COMMON_INTERCEPTOR_ENTER(ctx, F, xdrs, p); \
5950	if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) \
5951	COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); \
5952	int res = REAL(F)(xdrs, p); \
5953	if (res && p && xdrs->x_op == __sanitizer_XDR_DECODE) \
5954	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); \
5955	return res; \
5956	}
5957
5958	XDR_INTERCEPTOR(xdr_short, short)
5959	XDR_INTERCEPTOR(xdr_u_short, unsigned short)
5960	XDR_INTERCEPTOR(xdr_int, int)
5961	XDR_INTERCEPTOR(xdr_u_int, unsigned)
5962	XDR_INTERCEPTOR(xdr_long, long)
5963	XDR_INTERCEPTOR(xdr_u_long, unsigned long)
5964	XDR_INTERCEPTOR(xdr_hyper, long long)
5965	XDR_INTERCEPTOR(xdr_u_hyper, unsigned long long)
5966	XDR_INTERCEPTOR(xdr_longlong_t, long long)
5967	XDR_INTERCEPTOR(xdr_u_longlong_t, unsigned long long)
5968	XDR_INTERCEPTOR(xdr_int8_t, u8)
5969	XDR_INTERCEPTOR(xdr_uint8_t, u8)
5970	XDR_INTERCEPTOR(xdr_int16_t, u16)
5971	XDR_INTERCEPTOR(xdr_uint16_t, u16)
5972	XDR_INTERCEPTOR(xdr_int32_t, u32)
5973	XDR_INTERCEPTOR(xdr_uint32_t, u32)
5974	XDR_INTERCEPTOR(xdr_int64_t, u64)
5975	XDR_INTERCEPTOR(xdr_uint64_t, u64)
5976	XDR_INTERCEPTOR(xdr_quad_t, long long)
5977	XDR_INTERCEPTOR(xdr_u_quad_t, unsigned long long)
5978	XDR_INTERCEPTOR(xdr_bool, bool)
5979	XDR_INTERCEPTOR(xdr_enum, int)
5980	XDR_INTERCEPTOR(xdr_char, char)
5981	XDR_INTERCEPTOR(xdr_u_char, unsigned char)
5982	XDR_INTERCEPTOR(xdr_float, float)
5983	XDR_INTERCEPTOR(xdr_double, double)
5984
5985	// FIXME: intercept xdr_array, opaque, union, vector, reference, pointer,
5986	// wrapstring, sizeof
5987
5988	INTERCEPTOR(int, xdr_bytes, __sanitizer_XDR *xdrs, char **p, unsigned *sizep,
5989	unsigned maxsize) {
5990	void *ctx;
5991	COMMON_INTERCEPTOR_ENTER(ctx, xdr_bytes, xdrs, p, sizep, maxsize);
5992	if (p && sizep && xdrs->x_op == __sanitizer_XDR_ENCODE) {
5993	COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p));
5994	COMMON_INTERCEPTOR_READ_RANGE(ctx, sizep, sizeof(*sizep));
5995	COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, *sizep);
5996	}
5997	// FIXME: under ASan the call below may write to freed memory and corrupt
5998	// its metadata. See
5999	// https://github.com/google/sanitizers/issues/321.
6000	int res = REAL(xdr_bytes)(xdrs, p, sizep, maxsize);
6001	if (p && sizep && xdrs->x_op == __sanitizer_XDR_DECODE) {
6002	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
6003	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizep, sizeof(*sizep));
6004	if (res && *p && *sizep) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, *sizep);
6005	}
6006	return res;
6007	}
6008
6009	INTERCEPTOR(int, xdr_string, __sanitizer_XDR *xdrs, char **p,
6010	unsigned maxsize) {
6011	void *ctx;
6012	COMMON_INTERCEPTOR_ENTER(ctx, xdr_string, xdrs, p, maxsize);
6013	if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) {
6014	COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p));
6015	COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, internal_strlen(*p) + 1);
6016	}
6017	// FIXME: under ASan the call below may write to freed memory and corrupt
6018	// its metadata. See
6019	// https://github.com/google/sanitizers/issues/321.
6020	int res = REAL(xdr_string)(xdrs, p, maxsize);
6021	if (p && xdrs->x_op == __sanitizer_XDR_DECODE) {
6022	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
6023	if (res && *p)
6024	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, internal_strlen(*p) + 1);
6025	}
6026	return res;
6027	}
6028
6029	#define INIT_XDR \
6030	COMMON_INTERCEPT_FUNCTION(xdrmem_create); \
6031	COMMON_INTERCEPT_FUNCTION(xdrstdio_create); \
6032	COMMON_INTERCEPT_FUNCTION(xdr_short); \
6033	COMMON_INTERCEPT_FUNCTION(xdr_u_short); \
6034	COMMON_INTERCEPT_FUNCTION(xdr_int); \
6035	COMMON_INTERCEPT_FUNCTION(xdr_u_int); \
6036	COMMON_INTERCEPT_FUNCTION(xdr_long); \
6037	COMMON_INTERCEPT_FUNCTION(xdr_u_long); \
6038	COMMON_INTERCEPT_FUNCTION(xdr_hyper); \
6039	COMMON_INTERCEPT_FUNCTION(xdr_u_hyper); \
6040	COMMON_INTERCEPT_FUNCTION(xdr_longlong_t); \
6041	COMMON_INTERCEPT_FUNCTION(xdr_u_longlong_t); \
6042	COMMON_INTERCEPT_FUNCTION(xdr_int8_t); \
6043	COMMON_INTERCEPT_FUNCTION(xdr_uint8_t); \
6044	COMMON_INTERCEPT_FUNCTION(xdr_int16_t); \
6045	COMMON_INTERCEPT_FUNCTION(xdr_uint16_t); \
6046	COMMON_INTERCEPT_FUNCTION(xdr_int32_t); \
6047	COMMON_INTERCEPT_FUNCTION(xdr_uint32_t); \
6048	COMMON_INTERCEPT_FUNCTION(xdr_int64_t); \
6049	COMMON_INTERCEPT_FUNCTION(xdr_uint64_t); \
6050	COMMON_INTERCEPT_FUNCTION(xdr_quad_t); \
6051	COMMON_INTERCEPT_FUNCTION(xdr_u_quad_t); \
6052	COMMON_INTERCEPT_FUNCTION(xdr_bool); \
6053	COMMON_INTERCEPT_FUNCTION(xdr_enum); \
6054	COMMON_INTERCEPT_FUNCTION(xdr_char); \
6055	COMMON_INTERCEPT_FUNCTION(xdr_u_char); \
6056	COMMON_INTERCEPT_FUNCTION(xdr_float); \
6057	COMMON_INTERCEPT_FUNCTION(xdr_double); \
6058	COMMON_INTERCEPT_FUNCTION(xdr_bytes); \
6059	COMMON_INTERCEPT_FUNCTION(xdr_string);
6060	#else
6061	#define INIT_XDR
6062	#endif // SANITIZER_INTERCEPT_XDR
6063
6064	#if SANITIZER_INTERCEPT_XDRREC
6065	typedef int (*xdrrec_cb)(char*, char*, int);
6066	struct XdrRecWrapper {
6067	char *handle;
6068	xdrrec_cb rd, wr;
6069	};
6070	typedef AddrHashMap<XdrRecWrapper *, 11> XdrRecWrapMap;
6071	static XdrRecWrapMap *xdrrec_wrap_map;
6072
6073	static int xdrrec_wr_wrap(char *handle, char *buf, int count) {
6074	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6075	COMMON_INTERCEPTOR_INITIALIZE_RANGE(buf, count);
6076	XdrRecWrapper *wrap = (XdrRecWrapper *)handle;
6077	return wrap->wr(wrap->handle, buf, count);
6078	}
6079
6080	static int xdrrec_rd_wrap(char *handle, char *buf, int count) {
6081	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6082	XdrRecWrapper *wrap = (XdrRecWrapper *)handle;
6083	return wrap->rd(wrap->handle, buf, count);
6084	}
6085
6086	// This doesn't apply to the solaris version as it has a different function
6087	// signature.
6088	INTERCEPTOR(void, xdrrec_create, __sanitizer_XDR *xdr, unsigned sndsize,
6089	unsigned rcvsize, char *handle, int (*rd)(char*, char*, int),
6090	int (*wr)(char*, char*, int)) {
6091	void *ctx;
6092	COMMON_INTERCEPTOR_ENTER(ctx, xdrrec_create, xdr, sndsize, rcvsize,
6093	handle, rd, wr);
6094	COMMON_INTERCEPTOR_READ_RANGE(ctx, &xdr->x_op, sizeof xdr->x_op);
6095
6096	// We can't allocate a wrapper on the stack, as the handle is used outside
6097	// this stack frame. So we put it on the heap, and keep track of it with
6098	// the HashMap (keyed by x_private). When we later need to xdr_destroy,
6099	// we can index the map, free the wrapper, and then clean the map entry.
6100	XdrRecWrapper *wrap_data =
6101	(XdrRecWrapper *)InternalAlloc(sizeof(XdrRecWrapper));
6102	wrap_data->handle = handle;
6103	wrap_data->rd = rd;
6104	wrap_data->wr = wr;
6105	if (wr)
6106	wr = xdrrec_wr_wrap;
6107	if (rd)
6108	rd = xdrrec_rd_wrap;
6109	handle = (char *)wrap_data;
6110
6111	REAL(xdrrec_create)(xdr, sndsize, rcvsize, handle, rd, wr);
6112	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdr, sizeof *xdr);
6113
6114	XdrRecWrapMap::Handle wrap(xdrrec_wrap_map, xdr->x_private, false, true);
6115	*wrap = wrap_data;
6116	}
6117
6118	// We have to intercept this to be able to free wrapper memory;
6119	// otherwise it's not necessary.
6120	INTERCEPTOR(void, xdr_destroy, __sanitizer_XDR *xdr) {
6121	void *ctx;
6122	COMMON_INTERCEPTOR_ENTER(ctx, xdr_destroy, xdr);
6123
6124	XdrRecWrapMap::Handle wrap(xdrrec_wrap_map, xdr->x_private, true);
6125	InternalFree(*wrap);
6126	REAL(xdr_destroy)(xdr);
6127	}
6128	#define INIT_XDRREC_LINUX \
6129	static u64 xdrrec_wrap_mem[sizeof(XdrRecWrapMap) / sizeof(u64) + 1]; \
6130	xdrrec_wrap_map = new ((void *)&xdrrec_wrap_mem) XdrRecWrapMap(); \
6131	COMMON_INTERCEPT_FUNCTION(xdrrec_create); \
6132	COMMON_INTERCEPT_FUNCTION(xdr_destroy);
6133	#else
6134	#define INIT_XDRREC_LINUX
6135	#endif
6136
6137	#if SANITIZER_INTERCEPT_TSEARCH
6138	INTERCEPTOR(void *, tsearch, void *key, void **rootp,
6139	int (*compar)(const void *, const void *)) {
6140	void *ctx;
6141	COMMON_INTERCEPTOR_ENTER(ctx, tsearch, key, rootp, compar);
6142	// FIXME: under ASan the call below may write to freed memory and corrupt
6143	// its metadata. See
6144	// https://github.com/google/sanitizers/issues/321.
6145	void *res = REAL(tsearch)(key, rootp, compar);
6146	if (res && *(void **)res == key)
6147	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(void *));
6148	return res;
6149	}
6150	#define INIT_TSEARCH COMMON_INTERCEPT_FUNCTION(tsearch);
6151	#else
6152	#define INIT_TSEARCH
6153	#endif
6154
6155	#if SANITIZER_INTERCEPT_LIBIO_INTERNALS || SANITIZER_INTERCEPT_FOPEN || \
6156	SANITIZER_INTERCEPT_OPEN_MEMSTREAM
6157	void unpoison_file(__sanitizer_FILE *fp) {
6158	#if SANITIZER_HAS_STRUCT_FILE
6159	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp, sizeof(*fp));
6160	#if SANITIZER_NETBSD
6161	if (fp->_bf._base && fp->_bf._size > 0)
6162	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_bf._base,
6163	fp->_bf._size);
6164	#else
6165	if (fp->_IO_read_base && fp->_IO_read_base < fp->_IO_read_end)
6166	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_read_base,
6167	fp->_IO_read_end - fp->_IO_read_base);
6168	if (fp->_IO_write_base && fp->_IO_write_base < fp->_IO_write_end)
6169	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_write_base,
6170	fp->_IO_write_end - fp->_IO_write_base);
6171	#endif
6172	#endif // SANITIZER_HAS_STRUCT_FILE
6173	}
6174	#endif
6175
6176	#if SANITIZER_INTERCEPT_LIBIO_INTERNALS
6177	// These guys are called when a .c source is built with -O2.
6178	INTERCEPTOR(int, __uflow, __sanitizer_FILE *fp) {
6179	void *ctx;
6180	COMMON_INTERCEPTOR_ENTER(ctx, __uflow, fp);
6181	int res = REAL(__uflow)(fp);
6182	unpoison_file(fp);
6183	return res;
6184	}
6185	INTERCEPTOR(int, __underflow, __sanitizer_FILE *fp) {
6186	void *ctx;
6187	COMMON_INTERCEPTOR_ENTER(ctx, __underflow, fp);
6188	int res = REAL(__underflow)(fp);
6189	unpoison_file(fp);
6190	return res;
6191	}
6192	INTERCEPTOR(int, __overflow, __sanitizer_FILE *fp, int ch) {
6193	void *ctx;
6194	COMMON_INTERCEPTOR_ENTER(ctx, __overflow, fp, ch);
6195	int res = REAL(__overflow)(fp, ch);
6196	unpoison_file(fp);
6197	return res;
6198	}
6199	INTERCEPTOR(int, __wuflow, __sanitizer_FILE *fp) {
6200	void *ctx;
6201	COMMON_INTERCEPTOR_ENTER(ctx, __wuflow, fp);
6202	int res = REAL(__wuflow)(fp);
6203	unpoison_file(fp);
6204	return res;
6205	}
6206	INTERCEPTOR(int, __wunderflow, __sanitizer_FILE *fp) {
6207	void *ctx;
6208	COMMON_INTERCEPTOR_ENTER(ctx, __wunderflow, fp);
6209	int res = REAL(__wunderflow)(fp);
6210	unpoison_file(fp);
6211	return res;
6212	}
6213	INTERCEPTOR(int, __woverflow, __sanitizer_FILE *fp, int ch) {
6214	void *ctx;
6215	COMMON_INTERCEPTOR_ENTER(ctx, __woverflow, fp, ch);
6216	int res = REAL(__woverflow)(fp, ch);
6217	unpoison_file(fp);
6218	return res;
6219	}
6220	#define INIT_LIBIO_INTERNALS \
6221	COMMON_INTERCEPT_FUNCTION(__uflow); \
6222	COMMON_INTERCEPT_FUNCTION(__underflow); \
6223	COMMON_INTERCEPT_FUNCTION(__overflow); \
6224	COMMON_INTERCEPT_FUNCTION(__wuflow); \
6225	COMMON_INTERCEPT_FUNCTION(__wunderflow); \
6226	COMMON_INTERCEPT_FUNCTION(__woverflow);
6227	#else
6228	#define INIT_LIBIO_INTERNALS
6229	#endif
6230
6231	#if SANITIZER_INTERCEPT_FOPEN
6232	INTERCEPTOR(__sanitizer_FILE *, fopen, const char *path, const char *mode) {
6233	void *ctx;
6234	COMMON_INTERCEPTOR_ENTER(ctx, fopen, path, mode);
6235	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6236	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6237	__sanitizer_FILE *res = REAL(fopen)(path, mode);
6238	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6239	if (res) unpoison_file(res);
6240	return res;
6241	}
6242	INTERCEPTOR(__sanitizer_FILE *, fdopen, int fd, const char *mode) {
6243	void *ctx;
6244	COMMON_INTERCEPTOR_ENTER(ctx, fdopen, fd, mode);
6245	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6246	__sanitizer_FILE *res = REAL(fdopen)(fd, mode);
6247	if (res) unpoison_file(res);
6248	return res;
6249	}
6250	INTERCEPTOR(__sanitizer_FILE *, freopen, const char *path, const char *mode,
6251	__sanitizer_FILE *fp) {
6252	void *ctx;
6253	COMMON_INTERCEPTOR_ENTER(ctx, freopen, path, mode, fp);
6254	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6255	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6256	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
6257	__sanitizer_FILE *res = REAL(freopen)(path, mode, fp);
6258	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6259	if (res) unpoison_file(res);
6260	return res;
6261	}
6262	#define INIT_FOPEN \
6263	COMMON_INTERCEPT_FUNCTION(fopen); \
6264	COMMON_INTERCEPT_FUNCTION(fdopen); \
6265	COMMON_INTERCEPT_FUNCTION(freopen);
6266	#else
6267	#define INIT_FOPEN
6268	#endif
6269
6270	#if SANITIZER_INTERCEPT_FLOPEN
6271	INTERCEPTOR(int, flopen, const char *path, int flags, ...) {
6272	void *ctx;
6273	va_list ap;
6274	va_start(ap, flags);
6275	u16 mode = static_cast<u16>(va_arg(ap, u32));
6276	va_end(ap);
6277	COMMON_INTERCEPTOR_ENTER(ctx, flopen, path, flags, mode);
6278	if (path) {
6279	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6280	}
6281	return COMMON_INTERCEPTOR_BLOCK_REAL(flopen)(path, flags, mode);
6282	}
6283
6284	INTERCEPTOR(int, flopenat, int dirfd, const char *path, int flags, ...) {
6285	void *ctx;
6286	va_list ap;
6287	va_start(ap, flags);
6288	u16 mode = static_cast<u16>(va_arg(ap, u32));
6289	va_end(ap);
6290	COMMON_INTERCEPTOR_ENTER(ctx, flopen, path, flags, mode);
6291	if (path) {
6292	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6293	}
6294	return COMMON_INTERCEPTOR_BLOCK_REAL(flopenat)(dirfd, path, flags, mode);
6295	}
6296
6297	#define INIT_FLOPEN \
6298	COMMON_INTERCEPT_FUNCTION(flopen); \
6299	COMMON_INTERCEPT_FUNCTION(flopenat);
6300	#else
6301	#define INIT_FLOPEN
6302	#endif
6303
6304	#if SANITIZER_INTERCEPT_FOPEN64
6305	INTERCEPTOR(__sanitizer_FILE *, fopen64, const char *path, const char *mode) {
6306	void *ctx;
6307	COMMON_INTERCEPTOR_ENTER(ctx, fopen64, path, mode);
6308	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6309	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6310	__sanitizer_FILE *res = REAL(fopen64)(path, mode);
6311	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6312	if (res) unpoison_file(res);
6313	return res;
6314	}
6315	INTERCEPTOR(__sanitizer_FILE *, freopen64, const char *path, const char *mode,
6316	__sanitizer_FILE *fp) {
6317	void *ctx;
6318	COMMON_INTERCEPTOR_ENTER(ctx, freopen64, path, mode, fp);
6319	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6320	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6321	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
6322	__sanitizer_FILE *res = REAL(freopen64)(path, mode, fp);
6323	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6324	if (res) unpoison_file(res);
6325	return res;
6326	}
6327	#define INIT_FOPEN64 \
6328	COMMON_INTERCEPT_FUNCTION(fopen64); \
6329	COMMON_INTERCEPT_FUNCTION(freopen64);
6330	#else
6331	#define INIT_FOPEN64
6332	#endif
6333
6334	#if SANITIZER_INTERCEPT_OPEN_MEMSTREAM
6335	INTERCEPTOR(__sanitizer_FILE *, open_memstream, char **ptr, SIZE_T *sizeloc) {
6336	void *ctx;
6337	COMMON_INTERCEPTOR_ENTER(ctx, open_memstream, ptr, sizeloc);
6338	// FIXME: under ASan the call below may write to freed memory and corrupt
6339	// its metadata. See
6340	// https://github.com/google/sanitizers/issues/321.
6341	__sanitizer_FILE *res = REAL(open_memstream)(ptr, sizeloc);
6342	if (res) {
6343	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr));
6344	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc));
6345	unpoison_file(res);
6346	FileMetadata file = {ptr, sizeloc};
6347	SetInterceptorMetadata(res, file);
6348	}
6349	return res;
6350	}
6351	INTERCEPTOR(__sanitizer_FILE *, open_wmemstream, wchar_t **ptr,
6352	SIZE_T *sizeloc) {
6353	void *ctx;
6354	COMMON_INTERCEPTOR_ENTER(ctx, open_wmemstream, ptr, sizeloc);
6355	__sanitizer_FILE *res = REAL(open_wmemstream)(ptr, sizeloc);
6356	if (res) {
6357	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr));
6358	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc));
6359	unpoison_file(res);
6360	FileMetadata file = {(char **)ptr, sizeloc};
6361	SetInterceptorMetadata(res, file);
6362	}
6363	return res;
6364	}
6365	INTERCEPTOR(__sanitizer_FILE *, fmemopen, void *buf, SIZE_T size,
6366	const char *mode) {
6367	void *ctx;
6368	COMMON_INTERCEPTOR_ENTER(ctx, fmemopen, buf, size, mode);
6369	// FIXME: under ASan the call below may write to freed memory and corrupt
6370	// its metadata. See
6371	// https://github.com/google/sanitizers/issues/321.
6372	__sanitizer_FILE *res = REAL(fmemopen)(buf, size, mode);
6373	if (res) unpoison_file(res);
6374	return res;
6375	}
6376	#define INIT_OPEN_MEMSTREAM \
6377	COMMON_INTERCEPT_FUNCTION(open_memstream); \
6378	COMMON_INTERCEPT_FUNCTION(open_wmemstream); \
6379	COMMON_INTERCEPT_FUNCTION(fmemopen);
6380	#else
6381	#define INIT_OPEN_MEMSTREAM
6382	#endif
6383
6384	#if SANITIZER_INTERCEPT_OBSTACK
6385	static void initialize_obstack(__sanitizer_obstack *obstack) {
6386	COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack, sizeof(*obstack));
6387	if (obstack->chunk)
6388	COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack->chunk,
6389	sizeof(*obstack->chunk));
6390	}
6391
6392	INTERCEPTOR(int, _obstack_begin_1, __sanitizer_obstack *obstack, int sz,
6393	int align, void *(*alloc_fn)(uptr arg, uptr sz),
6394	void (*free_fn)(uptr arg, void *p)) {
6395	void *ctx;
6396	COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin_1, obstack, sz, align, alloc_fn,
6397	free_fn);
6398	int res = REAL(_obstack_begin_1)(obstack, sz, align, alloc_fn, free_fn);
6399	if (res) initialize_obstack(obstack);
6400	return res;
6401	}
6402	INTERCEPTOR(int, _obstack_begin, __sanitizer_obstack *obstack, int sz,
6403	int align, void *(*alloc_fn)(uptr sz), void (*free_fn)(void *p)) {
6404	void *ctx;
6405	COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin, obstack, sz, align, alloc_fn,
6406	free_fn);
6407	int res = REAL(_obstack_begin)(obstack, sz, align, alloc_fn, free_fn);
6408	if (res) initialize_obstack(obstack);
6409	return res;
6410	}
6411	INTERCEPTOR(void, _obstack_newchunk, __sanitizer_obstack *obstack, int length) {
6412	void *ctx;
6413	COMMON_INTERCEPTOR_ENTER(ctx, _obstack_newchunk, obstack, length);
6414	REAL(_obstack_newchunk)(obstack, length);
6415	if (obstack->chunk)
6416	COMMON_INTERCEPTOR_INITIALIZE_RANGE(
6417	obstack->chunk, obstack->next_free - (char *)obstack->chunk);
6418	}
6419	#define INIT_OBSTACK \
6420	COMMON_INTERCEPT_FUNCTION(_obstack_begin_1); \
6421	COMMON_INTERCEPT_FUNCTION(_obstack_begin); \
6422	COMMON_INTERCEPT_FUNCTION(_obstack_newchunk);
6423	#else
6424	#define INIT_OBSTACK
6425	#endif
6426
6427	#if SANITIZER_INTERCEPT_FFLUSH
6428	INTERCEPTOR(int, fflush, __sanitizer_FILE *fp) {
6429	void *ctx;
6430	COMMON_INTERCEPTOR_ENTER(ctx, fflush, fp);
6431	if (fp)
6432	unpoison_file(fp);
6433	int res = REAL(fflush)(fp);
6434	// FIXME: handle fp == NULL
6435	if (fp) {
6436	const FileMetadata *m = GetInterceptorMetadata(fp);
6437	if (m) COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size);
6438	}
6439	return res;
6440	}
6441	#define INIT_FFLUSH COMMON_INTERCEPT_FUNCTION(fflush);
6442	#else
6443	#define INIT_FFLUSH
6444	#endif
6445
6446	#if SANITIZER_INTERCEPT_FCLOSE
6447	INTERCEPTOR(int, fclose, __sanitizer_FILE *fp) {
6448	void *ctx;
6449	COMMON_INTERCEPTOR_ENTER(ctx, fclose, fp);
6450	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
6451	const FileMetadata *m = GetInterceptorMetadata(fp);
6452	if (fp)
6453	unpoison_file(fp);
6454	int res = REAL(fclose)(fp);
6455	if (m) {
6456	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size);
6457	DeleteInterceptorMetadata(fp);
6458	}
6459	return res;
6460	}
6461	#define INIT_FCLOSE COMMON_INTERCEPT_FUNCTION(fclose);
6462	#else
6463	#define INIT_FCLOSE
6464	#endif
6465
6466	#if SANITIZER_INTERCEPT_DLOPEN_DLCLOSE
6467	INTERCEPTOR(void*, dlopen, const char *filename, int flag) {
6468	void *ctx;
6469	COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlopen, filename, flag);
6470
6471	if (filename) {
6472	COMMON_INTERCEPTOR_READ_STRING(ctx, filename, 0);
6473
6474	# if !SANITIZER_DYNAMIC
6475	// We care about a very specific use-case: dladdr on
6476	// statically-linked ASan may return <main program>
6477	// instead of the library.
6478	// We therefore only take effect if the sanitizer is statically
6479	// linked, and we don't bother canonicalizing paths because
6480	// dladdr should return the same address both times (we assume
6481	// the user did not canonicalize the result from dladdr).
6482	if (common_flags()->test_only_replace_dlopen_main_program) {
6483	VPrintf(1, "dlopen interceptor: filename: %s\n", filename);
6484
6485	const char *SelfFName = DladdrSelfFName();
6486	VPrintf(1, "dlopen interceptor: DladdrSelfFName: %p %s\n",
6487	(const void *)SelfFName, SelfFName);
6488
6489	if (SelfFName && internal_strcmp(SelfFName, filename) == 0) {
6490	// It's possible they copied the string from dladdr, so
6491	// we do a string comparison rather than pointer comparison.
6492	VPrintf(1, "dlopen interceptor: replacing %s because it matches %s\n",
6493	filename, SelfFName);
6494	filename = (char *)0; // RTLD_DEFAULT
6495	}
6496	}
6497	# endif // !SANITIZER_DYNAMIC
6498	}
6499
6500	void *res = COMMON_INTERCEPTOR_DLOPEN(filename, flag);
6501	Symbolizer::GetOrInit()->InvalidateModuleList();
6502	COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, res);
6503	return res;
6504	}
6505
6506	INTERCEPTOR(int, dlclose, void *handle) {
6507	void *ctx;
6508	COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlclose, handle);
6509	int res = REAL(dlclose)(handle);
6510	Symbolizer::GetOrInit()->InvalidateModuleList();
6511	COMMON_INTERCEPTOR_LIBRARY_UNLOADED();
6512	return res;
6513	}
6514	#define INIT_DLOPEN_DLCLOSE \
6515	COMMON_INTERCEPT_FUNCTION(dlopen); \
6516	COMMON_INTERCEPT_FUNCTION(dlclose);
6517	#else
6518	#define INIT_DLOPEN_DLCLOSE
6519	#endif
6520
6521	#if SANITIZER_INTERCEPT_GETPASS
6522	INTERCEPTOR(char *, getpass, const char *prompt) {
6523	void *ctx;
6524	COMMON_INTERCEPTOR_ENTER(ctx, getpass, prompt);
6525	if (prompt)
6526	COMMON_INTERCEPTOR_READ_RANGE(ctx, prompt, internal_strlen(prompt)+1);
6527	char *res = REAL(getpass)(prompt);
6528	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res)+1);
6529	return res;
6530	}
6531
6532	#define INIT_GETPASS COMMON_INTERCEPT_FUNCTION(getpass);
6533	#else
6534	#define INIT_GETPASS
6535	#endif
6536
6537	#if SANITIZER_INTERCEPT_TIMERFD
6538	INTERCEPTOR(int, timerfd_settime, int fd, int flags, void *new_value,
6539	void *old_value) {
6540	void *ctx;
6541	COMMON_INTERCEPTOR_ENTER(ctx, timerfd_settime, fd, flags, new_value,
6542	old_value);
6543	COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, struct_itimerspec_sz);
6544	int res = REAL(timerfd_settime)(fd, flags, new_value, old_value);
6545	if (res != -1 && old_value)
6546	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerspec_sz);
6547	return res;
6548	}
6549
6550	INTERCEPTOR(int, timerfd_gettime, int fd, void *curr_value) {
6551	void *ctx;
6552	COMMON_INTERCEPTOR_ENTER(ctx, timerfd_gettime, fd, curr_value);
6553	int res = REAL(timerfd_gettime)(fd, curr_value);
6554	if (res != -1 && curr_value)
6555	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerspec_sz);
6556	return res;
6557	}
6558	#define INIT_TIMERFD \
6559	COMMON_INTERCEPT_FUNCTION(timerfd_settime); \
6560	COMMON_INTERCEPT_FUNCTION(timerfd_gettime);
6561	#else
6562	#define INIT_TIMERFD
6563	#endif
6564
6565	#if SANITIZER_INTERCEPT_MLOCKX
6566	// Linux kernel has a bug that leads to kernel deadlock if a process
6567	// maps TBs of memory and then calls mlock().
6568	static void MlockIsUnsupported() {
6569	static atomic_uint8_t printed;
6570	if (atomic_exchange(&printed, 1, memory_order_relaxed))
6571	return;
6572	VPrintf(1, "%s ignores mlock/mlockall/munlock/munlockall\n",
6573	SanitizerToolName);
6574	}
6575
6576	INTERCEPTOR(int, mlock, const void *addr, usize len) {
6577	MlockIsUnsupported();
6578	return 0;
6579	}
6580
6581	INTERCEPTOR(int, munlock, const void *addr, usize len) {
6582	MlockIsUnsupported();
6583	return 0;
6584	}
6585
6586	INTERCEPTOR(int, mlockall, int flags) {
6587	MlockIsUnsupported();
6588	return 0;
6589	}
6590
6591	INTERCEPTOR(int, munlockall, void) {
6592	MlockIsUnsupported();
6593	return 0;
6594	}
6595
6596	#define INIT_MLOCKX \
6597	COMMON_INTERCEPT_FUNCTION(mlock); \
6598	COMMON_INTERCEPT_FUNCTION(munlock); \
6599	COMMON_INTERCEPT_FUNCTION(mlockall); \
6600	COMMON_INTERCEPT_FUNCTION(munlockall);
6601
6602	#else
6603	#define INIT_MLOCKX
6604	#endif // SANITIZER_INTERCEPT_MLOCKX
6605
6606	#if SANITIZER_INTERCEPT_FOPENCOOKIE
6607	struct WrappedCookie {
6608	void *real_cookie;
6609	__sanitizer_cookie_io_functions_t real_io_funcs;
6610	};
6611
6612	static uptr wrapped_read(void *cookie, char *buf, uptr size) {
6613	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6614	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6615	__sanitizer_cookie_io_read real_read = wrapped_cookie->real_io_funcs.read;
6616	return real_read ? real_read(wrapped_cookie->real_cookie, buf, size) : 0;
6617	}
6618
6619	static uptr wrapped_write(void *cookie, const char *buf, uptr size) {
6620	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6621	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6622	__sanitizer_cookie_io_write real_write = wrapped_cookie->real_io_funcs.write;
6623	return real_write ? real_write(wrapped_cookie->real_cookie, buf, size) : size;
6624	}
6625
6626	static int wrapped_seek(void *cookie, u64 *offset, int whence) {
6627	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6628	COMMON_INTERCEPTOR_INITIALIZE_RANGE(offset, sizeof(*offset));
6629	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6630	__sanitizer_cookie_io_seek real_seek = wrapped_cookie->real_io_funcs.seek;
6631	return real_seek ? real_seek(wrapped_cookie->real_cookie, offset, whence)
6632	: -1;
6633	}
6634
6635	static int wrapped_close(void *cookie) {
6636	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
6637	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6638	__sanitizer_cookie_io_close real_close = wrapped_cookie->real_io_funcs.close;
6639	int res = real_close ? real_close(wrapped_cookie->real_cookie) : 0;
6640	InternalFree(wrapped_cookie);
6641	return res;
6642	}
6643
6644	INTERCEPTOR(__sanitizer_FILE *, fopencookie, void *cookie, const char *mode,
6645	__sanitizer_cookie_io_functions_t io_funcs) {
6646	void *ctx;
6647	COMMON_INTERCEPTOR_ENTER(ctx, fopencookie, cookie, mode, io_funcs);
6648	WrappedCookie *wrapped_cookie =
6649	(WrappedCookie *)InternalAlloc(sizeof(WrappedCookie));
6650	wrapped_cookie->real_cookie = cookie;
6651	wrapped_cookie->real_io_funcs = io_funcs;
6652	__sanitizer_FILE *res =
6653	REAL(fopencookie)(wrapped_cookie, mode, {wrapped_read, wrapped_write,
6654	wrapped_seek, wrapped_close});
6655	return res;
6656	}
6657
6658	#define INIT_FOPENCOOKIE COMMON_INTERCEPT_FUNCTION(fopencookie);
6659	#else
6660	#define INIT_FOPENCOOKIE
6661	#endif // SANITIZER_INTERCEPT_FOPENCOOKIE
6662
6663	#if SANITIZER_INTERCEPT_SEM
6664	INTERCEPTOR(int, sem_init, __sanitizer_sem_t *s, int pshared, unsigned value) {
6665	void *ctx;
6666	COMMON_INTERCEPTOR_ENTER(ctx, sem_init, s, pshared, value);
6667	// Workaround a bug in glibc's "old" semaphore implementation by
6668	// zero-initializing the sem_t contents. This has to be done here because
6669	// interceptors bind to the lowest version before glibc 2.36, hitting the
6670	// buggy code path while the non-sanitized build of the same code works fine.
6671	REAL(memset)(s, 0, sizeof(*s));
6672	int res = REAL(sem_init)(s, pshared, value);
6673	return res;
6674	}
6675
6676	INTERCEPTOR(int, sem_destroy, __sanitizer_sem_t *s) {
6677	void *ctx;
6678	COMMON_INTERCEPTOR_ENTER(ctx, sem_destroy, s);
6679	int res = REAL(sem_destroy)(s);
6680	return res;
6681	}
6682
6683	INTERCEPTOR(int, sem_wait, __sanitizer_sem_t *s) {
6684	void *ctx;
6685	COMMON_INTERCEPTOR_ENTER(ctx, sem_wait, s);
6686	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_wait)(s);
6687	if (res == 0) {
6688	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6689	}
6690	return res;
6691	}
6692
6693	INTERCEPTOR(int, sem_trywait, __sanitizer_sem_t *s) {
6694	void *ctx;
6695	COMMON_INTERCEPTOR_ENTER(ctx, sem_trywait, s);
6696	int res = REAL(sem_trywait)(s);
6697	if (res == 0) {
6698	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6699	}
6700	return res;
6701	}
6702
6703	INTERCEPTOR(int, sem_timedwait, __sanitizer_sem_t *s, void *abstime) {
6704	void *ctx;
6705	COMMON_INTERCEPTOR_ENTER(ctx, sem_timedwait, s, abstime);
6706	COMMON_INTERCEPTOR_READ_RANGE(ctx, abstime, struct_timespec_sz);
6707	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_timedwait)(s, abstime);
6708	if (res == 0) {
6709	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6710	}
6711	return res;
6712	}
6713
6714	INTERCEPTOR(int, sem_post, __sanitizer_sem_t *s) {
6715	void *ctx;
6716	COMMON_INTERCEPTOR_ENTER(ctx, sem_post, s);
6717	COMMON_INTERCEPTOR_RELEASE(ctx, (uptr)s);
6718	int res = REAL(sem_post)(s);
6719	return res;
6720	}
6721
6722	INTERCEPTOR(int, sem_getvalue, __sanitizer_sem_t *s, int *sval) {
6723	void *ctx;
6724	COMMON_INTERCEPTOR_ENTER(ctx, sem_getvalue, s, sval);
6725	int res = REAL(sem_getvalue)(s, sval);
6726	if (res == 0) {
6727	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6728	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sval, sizeof(*sval));
6729	}
6730	return res;
6731	}
6732
6733	INTERCEPTOR(__sanitizer_sem_t *, sem_open, const char *name, int oflag, ...) {
6734	void *ctx;
6735	va_list ap;
6736	va_start(ap, oflag);
6737	u32 mode = va_arg(ap, u32);
6738	u32 value = va_arg(ap, u32);
6739	COMMON_INTERCEPTOR_ENTER(ctx, sem_open, name, oflag, mode, value);
6740	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
6741	__sanitizer_sem_t *s = REAL(sem_open)(name, oflag, mode, value);
6742	if (s)
6743	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, sizeof(*s));
6744	va_end(ap);
6745	return s;
6746	}
6747
6748	INTERCEPTOR(int, sem_unlink, const char *name) {
6749	void *ctx;
6750	COMMON_INTERCEPTOR_ENTER(ctx, sem_unlink, name);
6751	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
6752	return REAL(sem_unlink)(name);
6753	}
6754
6755	# define INIT_SEM \
6756	COMMON_INTERCEPT_FUNCTION(sem_init); \
6757	COMMON_INTERCEPT_FUNCTION(sem_destroy); \
6758	COMMON_INTERCEPT_FUNCTION(sem_wait); \
6759	COMMON_INTERCEPT_FUNCTION(sem_trywait); \
6760	COMMON_INTERCEPT_FUNCTION(sem_timedwait); \
6761	COMMON_INTERCEPT_FUNCTION(sem_post); \
6762	COMMON_INTERCEPT_FUNCTION(sem_getvalue); \
6763	COMMON_INTERCEPT_FUNCTION(sem_open); \
6764	COMMON_INTERCEPT_FUNCTION(sem_unlink);
6765	#else
6766	# define INIT_SEM
6767	#endif // SANITIZER_INTERCEPT_SEM
6768
6769	#if SANITIZER_INTERCEPT_PTHREAD_SETCANCEL
6770	INTERCEPTOR(int, pthread_setcancelstate, int state, int *oldstate) {
6771	void *ctx;
6772	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcancelstate, state, oldstate);
6773	int res = REAL(pthread_setcancelstate)(state, oldstate);
6774	if (res == 0 && oldstate != nullptr)
6775	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldstate, sizeof(*oldstate));
6776	return res;
6777	}
6778
6779	INTERCEPTOR(int, pthread_setcanceltype, int type, int *oldtype) {
6780	void *ctx;
6781	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcanceltype, type, oldtype);
6782	int res = REAL(pthread_setcanceltype)(type, oldtype);
6783	if (res == 0 && oldtype != nullptr)
6784	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldtype, sizeof(*oldtype));
6785	return res;
6786	}
6787	#define INIT_PTHREAD_SETCANCEL \
6788	COMMON_INTERCEPT_FUNCTION(pthread_setcancelstate); \
6789	COMMON_INTERCEPT_FUNCTION(pthread_setcanceltype);
6790	#else
6791	#define INIT_PTHREAD_SETCANCEL
6792	#endif
6793
6794	#if SANITIZER_INTERCEPT_MINCORE
6795	INTERCEPTOR(int, mincore, void *addr, uptr length, unsigned char *vec) {
6796	void *ctx;
6797	COMMON_INTERCEPTOR_ENTER(ctx, mincore, addr, length, vec);
6798	int res = REAL(mincore)(addr, length, vec);
6799	if (res == 0) {
6800	uptr page_size = GetPageSizeCached();
6801	uptr vec_size = ((length + page_size - 1) & (~(page_size - 1))) / page_size;
6802	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, vec, vec_size);
6803	}
6804	return res;
6805	}
6806	#define INIT_MINCORE COMMON_INTERCEPT_FUNCTION(mincore);
6807	#else
6808	#define INIT_MINCORE
6809	#endif
6810
6811	#if SANITIZER_INTERCEPT_PROCESS_VM_READV
6812	INTERCEPTOR(SSIZE_T, process_vm_readv, int pid, __sanitizer_iovec *local_iov,
6813	uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt,
6814	uptr flags) {
6815	void *ctx;
6816	COMMON_INTERCEPTOR_ENTER(ctx, process_vm_readv, pid, local_iov, liovcnt,
6817	remote_iov, riovcnt, flags);
6818	SSIZE_T res = REAL(process_vm_readv)(pid, local_iov, liovcnt, remote_iov,
6819	riovcnt, flags);
6820	if (res > 0)
6821	write_iovec(ctx, local_iov, liovcnt, res);
6822	return res;
6823	}
6824
6825	INTERCEPTOR(SSIZE_T, process_vm_writev, int pid, __sanitizer_iovec *local_iov,
6826	uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt,
6827	uptr flags) {
6828	void *ctx;
6829	COMMON_INTERCEPTOR_ENTER(ctx, process_vm_writev, pid, local_iov, liovcnt,
6830	remote_iov, riovcnt, flags);
6831	SSIZE_T res = REAL(process_vm_writev)(pid, local_iov, liovcnt, remote_iov,
6832	riovcnt, flags);
6833	if (res > 0)
6834	read_iovec(ctx, local_iov, liovcnt, res);
6835	return res;
6836	}
6837	#define INIT_PROCESS_VM_READV \
6838	COMMON_INTERCEPT_FUNCTION(process_vm_readv); \
6839	COMMON_INTERCEPT_FUNCTION(process_vm_writev);
6840	#else
6841	#define INIT_PROCESS_VM_READV
6842	#endif
6843
6844	#if SANITIZER_INTERCEPT_CTERMID
6845	INTERCEPTOR(char *, ctermid, char *s) {
6846	void *ctx;
6847	COMMON_INTERCEPTOR_ENTER(ctx, ctermid, s);
6848	char *res = REAL(ctermid)(s);
6849	if (res) {
6850	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
6851	}
6852	return res;
6853	}
6854	#define INIT_CTERMID COMMON_INTERCEPT_FUNCTION(ctermid);
6855	#else
6856	#define INIT_CTERMID
6857	#endif
6858
6859	#if SANITIZER_INTERCEPT_CTERMID_R
6860	INTERCEPTOR(char *, ctermid_r, char *s) {
6861	void *ctx;
6862	COMMON_INTERCEPTOR_ENTER(ctx, ctermid_r, s);
6863	char *res = REAL(ctermid_r)(s);
6864	if (res) {
6865	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
6866	}
6867	return res;
6868	}
6869	#define INIT_CTERMID_R COMMON_INTERCEPT_FUNCTION(ctermid_r);
6870	#else
6871	#define INIT_CTERMID_R
6872	#endif
6873
6874	#if SANITIZER_INTERCEPT_RECV_RECVFROM
6875	INTERCEPTOR(SSIZE_T, recv, int fd, void *buf, SIZE_T len, int flags) {
6876	void *ctx;
6877	COMMON_INTERCEPTOR_ENTER(ctx, recv, fd, buf, len, flags);
6878	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6879	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(recv)(fd, buf, len, flags);
6880	if (res > 0) {
6881	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, Min((SIZE_T)res, len));
6882	}
6883	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
6884	return res;
6885	}
6886
6887	INTERCEPTOR(SSIZE_T, recvfrom, int fd, void *buf, SIZE_T len, int flags,
6888	void *srcaddr, int *addrlen) {
6889	void *ctx;
6890	COMMON_INTERCEPTOR_ENTER(ctx, recvfrom, fd, buf, len, flags, srcaddr,
6891	addrlen);
6892	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6893	SIZE_T srcaddr_sz;
6894	if (srcaddr) srcaddr_sz = *addrlen;
6895	(void)srcaddr_sz; // prevent "set but not used" warning
6896	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(recvfrom)(fd, buf, len, flags,
6897	srcaddr, addrlen);
6898	if (res > 0)
6899	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, Min((SIZE_T)res, len));
6900	if (res >= 0 && srcaddr)
6901	COMMON_INTERCEPTOR_INITIALIZE_RANGE(srcaddr,
6902	Min((SIZE_T)*addrlen, srcaddr_sz));
6903	return res;
6904	}
6905	#define INIT_RECV_RECVFROM \
6906	COMMON_INTERCEPT_FUNCTION(recv); \
6907	COMMON_INTERCEPT_FUNCTION(recvfrom);
6908	#else
6909	#define INIT_RECV_RECVFROM
6910	#endif
6911
6912	#if SANITIZER_INTERCEPT_SEND_SENDTO
6913	INTERCEPTOR(SSIZE_T, send, int fd, void *buf, SIZE_T len, int flags) {
6914	void *ctx;
6915	COMMON_INTERCEPTOR_ENTER(ctx, send, fd, buf, len, flags);
6916	if (fd >= 0) {
6917	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6918	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
6919	}
6920	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(send)(fd, buf, len, flags);
6921	if (common_flags()->intercept_send && res > 0)
6922	COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, Min((SIZE_T)res, len));
6923	return res;
6924	}
6925
6926	INTERCEPTOR(SSIZE_T, sendto, int fd, void *buf, SIZE_T len, int flags,
6927	void *dstaddr, int addrlen) {
6928	void *ctx;
6929	COMMON_INTERCEPTOR_ENTER(ctx, sendto, fd, buf, len, flags, dstaddr, addrlen);
6930	if (fd >= 0) {
6931	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6932	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
6933	}
6934	// Can't check dstaddr as it may have uninitialized padding at the end.
6935	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(sendto)(fd, buf, len, flags,
6936	dstaddr, addrlen);
6937	if (common_flags()->intercept_send && res > 0)
6938	COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, Min((SIZE_T)res, len));
6939	return res;
6940	}
6941	#define INIT_SEND_SENDTO \
6942	COMMON_INTERCEPT_FUNCTION(send); \
6943	COMMON_INTERCEPT_FUNCTION(sendto);
6944	#else
6945	#define INIT_SEND_SENDTO
6946	#endif
6947
6948	#if SANITIZER_INTERCEPT_EVENTFD_READ_WRITE
6949	INTERCEPTOR(int, eventfd_read, int fd, __sanitizer_eventfd_t *value) {
6950	void *ctx;
6951	COMMON_INTERCEPTOR_ENTER(ctx, eventfd_read, fd, value);
6952	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6953	int res = COMMON_INTERCEPTOR_BLOCK_REAL(eventfd_read)(fd, value);
6954	if (res == 0) {
6955	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, sizeof(*value));
6956	if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
6957	}
6958	return res;
6959	}
6960	INTERCEPTOR(int, eventfd_write, int fd, __sanitizer_eventfd_t value) {
6961	void *ctx;
6962	COMMON_INTERCEPTOR_ENTER(ctx, eventfd_write, fd, value);
6963	if (fd >= 0) {
6964	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6965	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
6966	}
6967	int res = COMMON_INTERCEPTOR_BLOCK_REAL(eventfd_write)(fd, value);
6968	return res;
6969	}
6970	#define INIT_EVENTFD_READ_WRITE \
6971	COMMON_INTERCEPT_FUNCTION(eventfd_read); \
6972	COMMON_INTERCEPT_FUNCTION(eventfd_write)
6973	#else
6974	#define INIT_EVENTFD_READ_WRITE
6975	#endif
6976
6977	#if SANITIZER_INTERCEPT_STAT
6978	INTERCEPTOR(int, stat, const char *path, void *buf) {
6979	void *ctx;
6980	COMMON_INTERCEPTOR_ENTER(ctx, stat, path, buf);
6981	if (common_flags()->intercept_stat)
6982	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6983	int res = REAL(stat)(path, buf);
6984	if (!res)
6985	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
6986	return res;
6987	}
6988	#define INIT_STAT COMMON_INTERCEPT_FUNCTION(stat)
6989	#else
6990	#define INIT_STAT
6991	#endif
6992
6993	#if SANITIZER_INTERCEPT_STAT64
6994	INTERCEPTOR(int, stat64, const char *path, void *buf) {
6995	void *ctx;
6996	COMMON_INTERCEPTOR_ENTER(ctx, stat64, path, buf);
6997	if (common_flags()->intercept_stat)
6998	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6999	int res = REAL(stat64)(path, buf);
7000	if (!res)
7001	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
7002	return res;
7003	}
7004	#define INIT_STAT64 COMMON_INTERCEPT_FUNCTION(stat64)
7005	#else
7006	#define INIT_STAT64
7007	#endif
7008
7009
7010	#if SANITIZER_INTERCEPT_LSTAT
7011	INTERCEPTOR(int, lstat, const char *path, void *buf) {
7012	void *ctx;
7013	COMMON_INTERCEPTOR_ENTER(ctx, lstat, path, buf);
7014	if (common_flags()->intercept_stat)
7015	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
7016	int res = REAL(lstat)(path, buf);
7017	if (!res)
7018	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
7019	return res;
7020	}
7021	#define INIT_LSTAT COMMON_INTERCEPT_FUNCTION(lstat)
7022	#else
7023	#define INIT_LSTAT
7024	#endif
7025
7026	#if SANITIZER_INTERCEPT_STAT64
7027	INTERCEPTOR(int, lstat64, const char *path, void *buf) {
7028	void *ctx;
7029	COMMON_INTERCEPTOR_ENTER(ctx, lstat64, path, buf);
7030	if (common_flags()->intercept_stat)
7031	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
7032	int res = REAL(lstat64)(path, buf);
7033	if (!res)
7034	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
7035	return res;
7036	}
7037	#define INIT_LSTAT64 COMMON_INTERCEPT_FUNCTION(lstat64)
7038	#else
7039	#define INIT_LSTAT64
7040	#endif
7041
7042	#if SANITIZER_INTERCEPT___XSTAT
7043	INTERCEPTOR(int, __xstat, int version, const char *path, void *buf) {
7044	void *ctx;
7045	COMMON_INTERCEPTOR_ENTER(ctx, __xstat, version, path, buf);
7046	if (common_flags()->intercept_stat)
7047	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
7048	int res = REAL(__xstat)(version, path, buf);
7049	if (!res)
7050	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
7051	return res;
7052	}
7053	#define INIT___XSTAT COMMON_INTERCEPT_FUNCTION(__xstat)
7054	#else
7055	#define INIT___XSTAT
7056	#endif
7057
7058	#if SANITIZER_INTERCEPT___XSTAT64
7059	INTERCEPTOR(int, __xstat64, int version, const char *path, void *buf) {
7060	void *ctx;
7061	COMMON_INTERCEPTOR_ENTER(ctx, __xstat64, version, path, buf);
7062	if (common_flags()->intercept_stat)
7063	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
7064	int res = REAL(__xstat64)(version, path, buf);
7065	if (!res)
7066	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
7067	return res;
7068	}
7069	#define INIT___XSTAT64 COMMON_INTERCEPT_FUNCTION(__xstat64)
7070	#else
7071	#define INIT___XSTAT64
7072	#endif
7073
7074	#if SANITIZER_INTERCEPT___LXSTAT
7075	INTERCEPTOR(int, __lxstat, int version, const char *path, void *buf) {
7076	void *ctx;
7077	COMMON_INTERCEPTOR_ENTER(ctx, __lxstat, version, path, buf);
7078	if (common_flags()->intercept_stat)
7079	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
7080	int res = REAL(__lxstat)(version, path, buf);
7081	if (!res)
7082	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
7083	return res;
7084	}
7085	#define INIT___LXSTAT COMMON_INTERCEPT_FUNCTION(__lxstat)
7086	#else
7087	#define INIT___LXSTAT
7088	#endif
7089
7090	#if SANITIZER_INTERCEPT___LXSTAT64
7091	INTERCEPTOR(int, __lxstat64, int version, const char *path, void *buf) {
7092	void *ctx;
7093	COMMON_INTERCEPTOR_ENTER(ctx, __lxstat64, version, path, buf);
7094	if (common_flags()->intercept_stat)
7095	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
7096	int res = REAL(__lxstat64)(version, path, buf);
7097	if (!res)
7098	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
7099	return res;
7100	}
7101	#define INIT___LXSTAT64 COMMON_INTERCEPT_FUNCTION(__lxstat64)
7102	#else
7103	#define INIT___LXSTAT64
7104	#endif
7105
7106	// FIXME: add other *stat interceptor
7107
7108	#if SANITIZER_INTERCEPT_UTMP
7109	INTERCEPTOR(void *, getutent, int dummy) {
7110	void *ctx;
7111	COMMON_INTERCEPTOR_ENTER(ctx, getutent, dummy);
7112	void *res = REAL(getutent)(dummy);
7113	if (res)
7114	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz);
7115	return res;
7116	}
7117	INTERCEPTOR(void *, getutid, void *ut) {
7118	void *ctx;
7119	COMMON_INTERCEPTOR_ENTER(ctx, getutid, ut);
7120	void *res = REAL(getutid)(ut);
7121	if (res)
7122	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz);
7123	return res;
7124	}
7125	INTERCEPTOR(void *, getutline, void *ut) {
7126	void *ctx;
7127	COMMON_INTERCEPTOR_ENTER(ctx, getutline, ut);
7128	void *res = REAL(getutline)(ut);
7129	if (res)
7130	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz);
7131	return res;
7132	}
7133	#define INIT_UTMP \
7134	COMMON_INTERCEPT_FUNCTION(getutent); \
7135	COMMON_INTERCEPT_FUNCTION(getutid); \
7136	COMMON_INTERCEPT_FUNCTION(getutline);
7137	#else
7138	#define INIT_UTMP
7139	#endif
7140
7141	#if SANITIZER_INTERCEPT_UTMPX
7142	INTERCEPTOR(void *, getutxent, int dummy) {
7143	void *ctx;
7144	COMMON_INTERCEPTOR_ENTER(ctx, getutxent, dummy);
7145	void *res = REAL(getutxent)(dummy);
7146	if (res)
7147	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz);
7148	return res;
7149	}
7150	INTERCEPTOR(void *, getutxid, void *ut) {
7151	void *ctx;
7152	COMMON_INTERCEPTOR_ENTER(ctx, getutxid, ut);
7153	void *res = REAL(getutxid)(ut);
7154	if (res)
7155	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz);
7156	return res;
7157	}
7158	INTERCEPTOR(void *, getutxline, void *ut) {
7159	void *ctx;
7160	COMMON_INTERCEPTOR_ENTER(ctx, getutxline, ut);
7161	void *res = REAL(getutxline)(ut);
7162	if (res)
7163	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz);
7164	return res;
7165	}
7166	INTERCEPTOR(void *, pututxline, const void *ut) {
7167	void *ctx;
7168	COMMON_INTERCEPTOR_ENTER(ctx, pututxline, ut);
7169	if (ut)
7170	COMMON_INTERCEPTOR_READ_RANGE(ctx, ut, __sanitizer::struct_utmpx_sz);
7171	void *res = REAL(pututxline)(ut);
7172	if (res)
7173	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer::struct_utmpx_sz);
7174	return res;
7175	}
7176	#define INIT_UTMPX \
7177	COMMON_INTERCEPT_FUNCTION(getutxent); \
7178	COMMON_INTERCEPT_FUNCTION(getutxid); \
7179	COMMON_INTERCEPT_FUNCTION(getutxline); \
7180	COMMON_INTERCEPT_FUNCTION(pututxline);
7181	#else
7182	#define INIT_UTMPX
7183	#endif
7184
7185	#if SANITIZER_INTERCEPT_GETLOADAVG
7186	INTERCEPTOR(int, getloadavg, double *loadavg, int nelem) {
7187	void *ctx;
7188	COMMON_INTERCEPTOR_ENTER(ctx, getloadavg, loadavg, nelem);
7189	int res = REAL(getloadavg)(loadavg, nelem);
7190	if (res > 0)
7191	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, loadavg, res * sizeof(*loadavg));
7192	return res;
7193	}
7194	#define INIT_GETLOADAVG \
7195	COMMON_INTERCEPT_FUNCTION(getloadavg);
7196	#else
7197	#define INIT_GETLOADAVG
7198	#endif
7199
7200	#if SANITIZER_INTERCEPT_MCHECK_MPROBE
7201	INTERCEPTOR(int, mcheck, void (*abortfunc)(int mstatus)) {
7202	return 0;
7203	}
7204
7205	INTERCEPTOR(int, mcheck_pedantic, void (*abortfunc)(int mstatus)) {
7206	return 0;
7207	}
7208
7209	INTERCEPTOR(int, mprobe, void *ptr) {
7210	return 0;
7211	}
7212	#endif
7213
7214	#if SANITIZER_INTERCEPT_WCSLEN
7215	INTERCEPTOR(SIZE_T, wcslen, const wchar_t *s) {
7216	void *ctx;
7217	COMMON_INTERCEPTOR_ENTER(ctx, wcslen, s);
7218	SIZE_T res = REAL(wcslen)(s);
7219	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * (res + 1));
7220	return res;
7221	}
7222
7223	INTERCEPTOR(SIZE_T, wcsnlen, const wchar_t *s, SIZE_T n) {
7224	void *ctx;
7225	COMMON_INTERCEPTOR_ENTER(ctx, wcsnlen, s, n);
7226	SIZE_T res = REAL(wcsnlen)(s, n);
7227	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * Min(res + 1, n));
7228	return res;
7229	}
7230	#define INIT_WCSLEN \
7231	COMMON_INTERCEPT_FUNCTION(wcslen); \
7232	COMMON_INTERCEPT_FUNCTION(wcsnlen);
7233	#else
7234	#define INIT_WCSLEN
7235	#endif
7236
7237	#if SANITIZER_INTERCEPT_WCSCAT
7238	INTERCEPTOR(wchar_t *, wcscat, wchar_t *dst, const wchar_t *src) {
7239	void *ctx;
7240	COMMON_INTERCEPTOR_ENTER(ctx, wcscat, dst, src);
7241	SIZE_T src_size = internal_wcslen(src);
7242	SIZE_T dst_size = internal_wcslen(dst);
7243	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, (src_size + 1) * sizeof(wchar_t));
7244	COMMON_INTERCEPTOR_READ_RANGE(ctx, dst, (dst_size + 1) * sizeof(wchar_t));
7245	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst + dst_size,
7246	(src_size + 1) * sizeof(wchar_t));
7247	return REAL(wcscat)(dst, src);
7248	}
7249
7250	INTERCEPTOR(wchar_t *, wcsncat, wchar_t *dst, const wchar_t *src, SIZE_T n) {
7251	void *ctx;
7252	COMMON_INTERCEPTOR_ENTER(ctx, wcsncat, dst, src, n);
7253	SIZE_T src_size = internal_wcsnlen(src, n);
7254	SIZE_T dst_size = internal_wcslen(dst);
7255	COMMON_INTERCEPTOR_READ_RANGE(ctx, src,
7256	Min(src_size + 1, n) * sizeof(wchar_t));
7257	COMMON_INTERCEPTOR_READ_RANGE(ctx, dst, (dst_size + 1) * sizeof(wchar_t));
7258	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst + dst_size,
7259	(src_size + 1) * sizeof(wchar_t));
7260	return REAL(wcsncat)(dst, src, n);
7261	}
7262	#define INIT_WCSCAT \
7263	COMMON_INTERCEPT_FUNCTION(wcscat); \
7264	COMMON_INTERCEPT_FUNCTION(wcsncat);
7265	#else
7266	#define INIT_WCSCAT
7267	#endif
7268
7269	#if SANITIZER_INTERCEPT_WCSDUP
7270	INTERCEPTOR(wchar_t *, wcsdup, wchar_t *s) {
7271	void *ctx;
7272	COMMON_INTERCEPTOR_ENTER(ctx, wcsdup, s);
7273	SIZE_T len = internal_wcslen(s);
7274	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * (len + 1));
7275	wchar_t *result = REAL(wcsdup)(s);
7276	if (result)
7277	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(wchar_t) * (len + 1));
7278	return result;
7279	}
7280
7281	#define INIT_WCSDUP COMMON_INTERCEPT_FUNCTION(wcsdup);
7282	#else
7283	#define INIT_WCSDUP
7284	#endif
7285
7286	#if SANITIZER_INTERCEPT_STRXFRM
7287	static SIZE_T RealStrLen(const char *str) { return internal_strlen(str); }
7288
7289	static SIZE_T RealStrLen(const wchar_t *str) { return internal_wcslen(str); }
7290
7291	#define STRXFRM_INTERCEPTOR_IMPL(strxfrm, dest, src, len, ...) \
7292	{ \
7293	void *ctx; \
7294	COMMON_INTERCEPTOR_ENTER(ctx, strxfrm, dest, src, len, ##__VA_ARGS__); \
7295	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, \
7296	sizeof(*src) * (RealStrLen(src) + 1)); \
7297	SIZE_T res = REAL(strxfrm)(dest, src, len, ##__VA_ARGS__); \
7298	if (res < len) \
7299	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, sizeof(*src) * (res + 1)); \
7300	return res; \
7301	}
7302
7303	INTERCEPTOR(SIZE_T, strxfrm, char *dest, const char *src, SIZE_T len) {
7304	STRXFRM_INTERCEPTOR_IMPL(strxfrm, dest, src, len);
7305	}
7306
7307	INTERCEPTOR(SIZE_T, strxfrm_l, char *dest, const char *src, SIZE_T len,
7308	void *locale) {
7309	STRXFRM_INTERCEPTOR_IMPL(strxfrm_l, dest, src, len, locale);
7310	}
7311
7312	#define INIT_STRXFRM \
7313	COMMON_INTERCEPT_FUNCTION(strxfrm); \
7314	COMMON_INTERCEPT_FUNCTION(strxfrm_l);
7315	#else
7316	#define INIT_STRXFRM
7317	#endif
7318
7319	#if SANITIZER_INTERCEPT___STRXFRM_L
7320	INTERCEPTOR(SIZE_T, __strxfrm_l, char *dest, const char *src, SIZE_T len,
7321	void *locale) {
7322	STRXFRM_INTERCEPTOR_IMPL(__strxfrm_l, dest, src, len, locale);
7323	}
7324
7325	#define INIT___STRXFRM_L COMMON_INTERCEPT_FUNCTION(__strxfrm_l);
7326	#else
7327	#define INIT___STRXFRM_L
7328	#endif
7329
7330	#if SANITIZER_INTERCEPT_WCSXFRM
7331	INTERCEPTOR(SIZE_T, wcsxfrm, wchar_t *dest, const wchar_t *src, SIZE_T len) {
7332	STRXFRM_INTERCEPTOR_IMPL(wcsxfrm, dest, src, len);
7333	}
7334
7335	INTERCEPTOR(SIZE_T, wcsxfrm_l, wchar_t *dest, const wchar_t *src, SIZE_T len,
7336	void *locale) {
7337	STRXFRM_INTERCEPTOR_IMPL(wcsxfrm_l, dest, src, len, locale);
7338	}
7339
7340	#define INIT_WCSXFRM \
7341	COMMON_INTERCEPT_FUNCTION(wcsxfrm); \
7342	COMMON_INTERCEPT_FUNCTION(wcsxfrm_l);
7343	#else
7344	#define INIT_WCSXFRM
7345	#endif
7346
7347	#if SANITIZER_INTERCEPT___WCSXFRM_L
7348	INTERCEPTOR(SIZE_T, __wcsxfrm_l, wchar_t *dest, const wchar_t *src, SIZE_T len,
7349	void *locale) {
7350	STRXFRM_INTERCEPTOR_IMPL(__wcsxfrm_l, dest, src, len, locale);
7351	}
7352
7353	#define INIT___WCSXFRM_L COMMON_INTERCEPT_FUNCTION(__wcsxfrm_l);
7354	#else
7355	#define INIT___WCSXFRM_L
7356	#endif
7357
7358	#if SANITIZER_INTERCEPT_ACCT
7359	INTERCEPTOR(int, acct, const char *file) {
7360	void *ctx;
7361	COMMON_INTERCEPTOR_ENTER(ctx, acct, file);
7362	if (file)
7363	COMMON_INTERCEPTOR_READ_RANGE(ctx, file, internal_strlen(file) + 1);
7364	return REAL(acct)(file);
7365	}
7366	#define INIT_ACCT COMMON_INTERCEPT_FUNCTION(acct)
7367	#else
7368	#define INIT_ACCT
7369	#endif
7370
7371	#if SANITIZER_INTERCEPT_USER_FROM_UID
7372	INTERCEPTOR(const char *, user_from_uid, u32 uid, int nouser) {
7373	void *ctx;
7374	const char *user;
7375	COMMON_INTERCEPTOR_ENTER(ctx, user_from_uid, uid, nouser);
7376	user = REAL(user_from_uid)(uid, nouser);
7377	if (user)
7378	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, user, internal_strlen(user) + 1);
7379	return user;
7380	}
7381	#define INIT_USER_FROM_UID COMMON_INTERCEPT_FUNCTION(user_from_uid)
7382	#else
7383	#define INIT_USER_FROM_UID
7384	#endif
7385
7386	#if SANITIZER_INTERCEPT_UID_FROM_USER
7387	INTERCEPTOR(int, uid_from_user, const char *name, u32 *uid) {
7388	void *ctx;
7389	int res;
7390	COMMON_INTERCEPTOR_ENTER(ctx, uid_from_user, name, uid);
7391	if (name)
7392	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7393	res = REAL(uid_from_user)(name, uid);
7394	if (uid)
7395	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, uid, sizeof(*uid));
7396	return res;
7397	}
7398	#define INIT_UID_FROM_USER COMMON_INTERCEPT_FUNCTION(uid_from_user)
7399	#else
7400	#define INIT_UID_FROM_USER
7401	#endif
7402
7403	#if SANITIZER_INTERCEPT_GROUP_FROM_GID
7404	INTERCEPTOR(const char *, group_from_gid, u32 gid, int nogroup) {
7405	void *ctx;
7406	const char *group;
7407	COMMON_INTERCEPTOR_ENTER(ctx, group_from_gid, gid, nogroup);
7408	group = REAL(group_from_gid)(gid, nogroup);
7409	if (group)
7410	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, group, internal_strlen(group) + 1);
7411	return group;
7412	}
7413	#define INIT_GROUP_FROM_GID COMMON_INTERCEPT_FUNCTION(group_from_gid)
7414	#else
7415	#define INIT_GROUP_FROM_GID
7416	#endif
7417
7418	#if SANITIZER_INTERCEPT_GID_FROM_GROUP
7419	INTERCEPTOR(int, gid_from_group, const char *group, u32 *gid) {
7420	void *ctx;
7421	int res;
7422	COMMON_INTERCEPTOR_ENTER(ctx, gid_from_group, group, gid);
7423	if (group)
7424	COMMON_INTERCEPTOR_READ_RANGE(ctx, group, internal_strlen(group) + 1);
7425	res = REAL(gid_from_group)(group, gid);
7426	if (gid)
7427	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, gid, sizeof(*gid));
7428	return res;
7429	}
7430	#define INIT_GID_FROM_GROUP COMMON_INTERCEPT_FUNCTION(gid_from_group)
7431	#else
7432	#define INIT_GID_FROM_GROUP
7433	#endif
7434
7435	#if SANITIZER_INTERCEPT_ACCESS
7436	INTERCEPTOR(int, access, const char *path, int mode) {
7437	void *ctx;
7438	COMMON_INTERCEPTOR_ENTER(ctx, access, path, mode);
7439	if (path)
7440	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7441	return REAL(access)(path, mode);
7442	}
7443	#define INIT_ACCESS COMMON_INTERCEPT_FUNCTION(access)
7444	#else
7445	#define INIT_ACCESS
7446	#endif
7447
7448	#if SANITIZER_INTERCEPT_FACCESSAT
7449	INTERCEPTOR(int, faccessat, int fd, const char *path, int mode, int flags) {
7450	void *ctx;
7451	COMMON_INTERCEPTOR_ENTER(ctx, faccessat, fd, path, mode, flags);
7452	if (path)
7453	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7454	return REAL(faccessat)(fd, path, mode, flags);
7455	}
7456	#define INIT_FACCESSAT COMMON_INTERCEPT_FUNCTION(faccessat)
7457	#else
7458	#define INIT_FACCESSAT
7459	#endif
7460
7461	#if SANITIZER_INTERCEPT_GETGROUPLIST
7462	INTERCEPTOR(int, getgrouplist, const char *name, u32 basegid, u32 *groups,
7463	int *ngroups) {
7464	void *ctx;
7465	int res;
7466	COMMON_INTERCEPTOR_ENTER(ctx, getgrouplist, name, basegid, groups, ngroups);
7467	if (name)
7468	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7469	if (ngroups)
7470	COMMON_INTERCEPTOR_READ_RANGE(ctx, ngroups, sizeof(*ngroups));
7471	res = REAL(getgrouplist)(name, basegid, groups, ngroups);
7472	if (!res && groups && ngroups) {
7473	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, groups, sizeof(*groups) * (*ngroups));
7474	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ngroups, sizeof(*ngroups));
7475	}
7476	return res;
7477	}
7478
7479	#define INIT_GETGROUPLIST COMMON_INTERCEPT_FUNCTION(getgrouplist);
7480	#else
7481	#define INIT_GETGROUPLIST
7482	#endif
7483
7484	#if SANITIZER_INTERCEPT_GETGROUPMEMBERSHIP
7485	INTERCEPTOR(int, getgroupmembership, const char *name, u32 basegid, u32 *groups,
7486	int maxgrp, int *ngroups) {
7487	void *ctx;
7488	int res;
7489	COMMON_INTERCEPTOR_ENTER(ctx, getgroupmembership, name, basegid, groups,
7490	maxgrp, ngroups);
7491	if (name)
7492	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7493	res = REAL(getgroupmembership)(name, basegid, groups, maxgrp, ngroups);
7494	if (!res && groups && ngroups) {
7495	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, groups, sizeof(*groups) * (*ngroups));
7496	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ngroups, sizeof(*ngroups));
7497	}
7498	return res;
7499	}
7500
7501	#define INIT_GETGROUPMEMBERSHIP COMMON_INTERCEPT_FUNCTION(getgroupmembership);
7502	#else
7503	#define INIT_GETGROUPMEMBERSHIP
7504	#endif
7505
7506	#if SANITIZER_INTERCEPT_READLINK
7507	INTERCEPTOR(SSIZE_T, readlink, const char *path, char *buf, SIZE_T bufsiz) {
7508	void* ctx;
7509	COMMON_INTERCEPTOR_ENTER(ctx, readlink, path, buf, bufsiz);
7510	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7511	SSIZE_T res = REAL(readlink)(path, buf, bufsiz);
7512	if (res > 0)
7513	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res);
7514	return res;
7515	}
7516
7517	#define INIT_READLINK COMMON_INTERCEPT_FUNCTION(readlink)
7518	#else
7519	#define INIT_READLINK
7520	#endif
7521
7522	#if SANITIZER_INTERCEPT_READLINKAT
7523	INTERCEPTOR(SSIZE_T, readlinkat, int dirfd, const char *path, char *buf,
7524	SIZE_T bufsiz) {
7525	void* ctx;
7526	COMMON_INTERCEPTOR_ENTER(ctx, readlinkat, dirfd, path, buf, bufsiz);
7527	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7528	SSIZE_T res = REAL(readlinkat)(dirfd, path, buf, bufsiz);
7529	if (res > 0)
7530	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res);
7531	return res;
7532	}
7533
7534	#define INIT_READLINKAT COMMON_INTERCEPT_FUNCTION(readlinkat)
7535	#else
7536	#define INIT_READLINKAT
7537	#endif
7538
7539	#if SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT
7540	INTERCEPTOR(int, name_to_handle_at, int dirfd, const char *pathname,
7541	struct file_handle *handle, int *mount_id, int flags) {
7542	void* ctx;
7543	COMMON_INTERCEPTOR_ENTER(ctx, name_to_handle_at, dirfd, pathname, handle,
7544	mount_id, flags);
7545	COMMON_INTERCEPTOR_READ_RANGE(ctx, pathname, internal_strlen(pathname) + 1);
7546
7547	__sanitizer_file_handle *sanitizer_handle =
7548	reinterpret_cast<__sanitizer_file_handle*>(handle);
7549	COMMON_INTERCEPTOR_READ_RANGE(
7550	ctx, &sanitizer_handle->handle_bytes,
7551	sizeof(sanitizer_handle->handle_bytes));
7552
7553	int res = REAL(name_to_handle_at)(dirfd, pathname, handle, mount_id, flags);
7554	if (!res) {
7555	COMMON_INTERCEPTOR_WRITE_RANGE(
7556	ctx, &sanitizer_handle->handle_bytes,
7557	sizeof(sanitizer_handle->handle_bytes));
7558	COMMON_INTERCEPTOR_WRITE_RANGE(
7559	ctx, &sanitizer_handle->handle_type,
7560	sizeof(sanitizer_handle->handle_type));
7561	COMMON_INTERCEPTOR_WRITE_RANGE(
7562	ctx, &sanitizer_handle->f_handle, sanitizer_handle->handle_bytes);
7563	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mount_id, sizeof(*mount_id));
7564	}
7565	return res;
7566	}
7567
7568	#define INIT_NAME_TO_HANDLE_AT COMMON_INTERCEPT_FUNCTION(name_to_handle_at)
7569	#else
7570	#define INIT_NAME_TO_HANDLE_AT
7571	#endif
7572
7573	#if SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT
7574	INTERCEPTOR(int, open_by_handle_at, int mount_fd, struct file_handle* handle,
7575	int flags) {
7576	void* ctx;
7577	COMMON_INTERCEPTOR_ENTER(ctx, open_by_handle_at, mount_fd, handle, flags);
7578
7579	__sanitizer_file_handle *sanitizer_handle =
7580	reinterpret_cast<__sanitizer_file_handle*>(handle);
7581	COMMON_INTERCEPTOR_READ_RANGE(
7582	ctx, &sanitizer_handle->handle_bytes,
7583	sizeof(sanitizer_handle->handle_bytes));
7584	COMMON_INTERCEPTOR_READ_RANGE(
7585	ctx, &sanitizer_handle->handle_type,
7586	sizeof(sanitizer_handle->handle_type));
7587	COMMON_INTERCEPTOR_READ_RANGE(
7588	ctx, &sanitizer_handle->f_handle, sanitizer_handle->handle_bytes);
7589
7590	return COMMON_INTERCEPTOR_BLOCK_REAL(open_by_handle_at)(mount_fd, handle,
7591	flags);
7592	}
7593
7594	#define INIT_OPEN_BY_HANDLE_AT COMMON_INTERCEPT_FUNCTION(open_by_handle_at)
7595	#else
7596	#define INIT_OPEN_BY_HANDLE_AT
7597	#endif
7598
7599	#if SANITIZER_INTERCEPT_STRLCPY
7600	INTERCEPTOR(SIZE_T, strlcpy, char *dst, char *src, SIZE_T size) {
7601	void *ctx;
7602	SIZE_T res;
7603	COMMON_INTERCEPTOR_ENTER(ctx, strlcpy, dst, src, size);
7604	if (src) {
7605	// Keep strnlen as macro argument, as macro may ignore it.
7606	COMMON_INTERCEPTOR_READ_STRING(
7607	ctx, src, Min(internal_strnlen(src, size), size - 1) + 1);
7608	}
7609	res = REAL(strlcpy)(dst, src, size);
7610	COMMON_INTERCEPTOR_COPY_STRING(ctx, dst, src, internal_strlen(dst) + 1);
7611	return res;
7612	}
7613
7614	INTERCEPTOR(SIZE_T, strlcat, char *dst, char *src, SIZE_T size) {
7615	void *ctx;
7616	SIZE_T len = 0;
7617	COMMON_INTERCEPTOR_ENTER(ctx, strlcat, dst, src, size);
7618	// src is checked in the strlcpy() interceptor
7619	if (dst) {
7620	len = internal_strnlen(dst, size);
7621	COMMON_INTERCEPTOR_READ_STRING(ctx, dst, Min(len, size - 1) + 1);
7622	}
7623	// Reuse the rest of the code in the strlcpy() interceptor
7624	return WRAP(strlcpy)(dst + len, src, size - len) + len;
7625	}
7626	#define INIT_STRLCPY \
7627	COMMON_INTERCEPT_FUNCTION(strlcpy); \
7628	COMMON_INTERCEPT_FUNCTION(strlcat);
7629	#else
7630	#define INIT_STRLCPY
7631	#endif
7632
7633	#if SANITIZER_INTERCEPT_MMAP
7634	INTERCEPTOR(void *, mmap, void *addr, SIZE_T sz, int prot, int flags, int fd,
7635	OFF_T off) {
7636	void *ctx;
7637	if (common_flags()->detect_write_exec)
7638	ReportMmapWriteExec(prot, mflags: flags);
7639	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7640	return (void *)internal_mmap(addr, length: sz, prot, flags, fd, offset: off);
7641	COMMON_INTERCEPTOR_ENTER(ctx, mmap, addr, sz, prot, flags, fd, off);
7642	COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap, addr, sz, prot, flags, fd, off);
7643	}
7644
7645	INTERCEPTOR(int, munmap, void *addr, SIZE_T sz) {
7646	void *ctx;
7647	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7648	return (int)internal_munmap(addr, length: sz);
7649	COMMON_INTERCEPTOR_ENTER(ctx, munmap, addr, sz);
7650	COMMON_INTERCEPTOR_MUNMAP_IMPL(ctx, addr, sz);
7651	}
7652
7653	INTERCEPTOR(int, mprotect, void *addr, SIZE_T sz, int prot) {
7654	void *ctx;
7655	if (common_flags()->detect_write_exec)
7656	ReportMmapWriteExec(prot, mflags: 0);
7657	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7658	return (int)internal_mprotect(addr, length: sz, prot);
7659	COMMON_INTERCEPTOR_ENTER(ctx, mprotect, addr, sz, prot);
7660	MprotectMallocZones(addr, prot);
7661	return REAL(mprotect)(addr, sz, prot);
7662	}
7663	#define INIT_MMAP \
7664	COMMON_INTERCEPT_FUNCTION(mmap); \
7665	COMMON_INTERCEPT_FUNCTION(munmap); \
7666	COMMON_INTERCEPT_FUNCTION(mprotect);
7667	#else
7668	#define INIT_MMAP
7669	#endif
7670
7671	#if SANITIZER_INTERCEPT_MMAP64
7672	INTERCEPTOR(void *, mmap64, void *addr, SIZE_T sz, int prot, int flags, int fd,
7673	OFF64_T off) {
7674	void *ctx;
7675	if (common_flags()->detect_write_exec)
7676	ReportMmapWriteExec(prot, flags);
7677	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7678	return (void *)internal_mmap(addr, sz, prot, flags, fd, off);
7679	COMMON_INTERCEPTOR_ENTER(ctx, mmap64, addr, sz, prot, flags, fd, off);
7680	COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap64, addr, sz, prot, flags, fd, off);
7681	}
7682	#define INIT_MMAP64 COMMON_INTERCEPT_FUNCTION(mmap64);
7683	#else
7684	#define INIT_MMAP64
7685	#endif
7686
7687	#if SANITIZER_INTERCEPT_DEVNAME
7688	INTERCEPTOR(char *, devname, u64 dev, u32 type) {
7689	void *ctx;
7690	char *name;
7691	COMMON_INTERCEPTOR_ENTER(ctx, devname, dev, type);
7692	name = REAL(devname)(dev, type);
7693	if (name)
7694	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
7695	return name;
7696	}
7697	#define INIT_DEVNAME COMMON_INTERCEPT_FUNCTION(devname);
7698	#else
7699	#define INIT_DEVNAME
7700	#endif
7701
7702	#if SANITIZER_INTERCEPT_DEVNAME_R
7703	#if SANITIZER_NETBSD
7704	#define DEVNAME_R_RETTYPE int
7705	#define DEVNAME_R_SUCCESS(x) (!(x))
7706	#else
7707	#define DEVNAME_R_RETTYPE char*
7708	#define DEVNAME_R_SUCCESS(x) (x)
7709	#endif
7710	INTERCEPTOR(DEVNAME_R_RETTYPE, devname_r, u64 dev, u32 type, char *path,
7711	uptr len) {
7712	void *ctx;
7713	COMMON_INTERCEPTOR_ENTER(ctx, devname_r, dev, type, path, len);
7714	DEVNAME_R_RETTYPE res = REAL(devname_r)(dev, type, path, len);
7715	if (DEVNAME_R_SUCCESS(res))
7716	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, path, internal_strlen(path) + 1);
7717	return res;
7718	}
7719	#define INIT_DEVNAME_R COMMON_INTERCEPT_FUNCTION(devname_r);
7720	#else
7721	#define INIT_DEVNAME_R
7722	#endif
7723
7724	#if SANITIZER_INTERCEPT_FGETLN
7725	INTERCEPTOR(char *, fgetln, __sanitizer_FILE *stream, SIZE_T *len) {
7726	void *ctx;
7727	COMMON_INTERCEPTOR_ENTER(ctx, fgetln, stream, len);
7728	char *str = REAL(fgetln)(stream, len);
7729	if (str && len) {
7730	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
7731	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, *len);
7732	}
7733	return str;
7734	}
7735	#define INIT_FGETLN COMMON_INTERCEPT_FUNCTION(fgetln)
7736	#else
7737	#define INIT_FGETLN
7738	#endif
7739
7740	#if SANITIZER_INTERCEPT_STRMODE
7741	INTERCEPTOR(void, strmode, u32 mode, char *bp) {
7742	void *ctx;
7743	COMMON_INTERCEPTOR_ENTER(ctx, strmode, mode, bp);
7744	REAL(strmode)(mode, bp);
7745	if (bp)
7746	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, bp, internal_strlen(bp) + 1);
7747	}
7748	#define INIT_STRMODE COMMON_INTERCEPT_FUNCTION(strmode)
7749	#else
7750	#define INIT_STRMODE
7751	#endif
7752
7753	#if SANITIZER_INTERCEPT_TTYENT
7754	INTERCEPTOR(struct __sanitizer_ttyent *, getttyent, void) {
7755	void *ctx;
7756	COMMON_INTERCEPTOR_ENTER(ctx, getttyent);
7757	struct __sanitizer_ttyent *ttyent = REAL(getttyent)();
7758	if (ttyent)
7759	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ttyent, struct_ttyent_sz);
7760	return ttyent;
7761	}
7762	INTERCEPTOR(struct __sanitizer_ttyent *, getttynam, char *name) {
7763	void *ctx;
7764	COMMON_INTERCEPTOR_ENTER(ctx, getttynam, name);
7765	if (name)
7766	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7767	struct __sanitizer_ttyent *ttyent = REAL(getttynam)(name);
7768	if (ttyent)
7769	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ttyent, struct_ttyent_sz);
7770	return ttyent;
7771	}
7772	#define INIT_TTYENT \
7773	COMMON_INTERCEPT_FUNCTION(getttyent); \
7774	COMMON_INTERCEPT_FUNCTION(getttynam);
7775	#else
7776	#define INIT_TTYENT
7777	#endif
7778
7779	#if SANITIZER_INTERCEPT_TTYENTPATH
7780	INTERCEPTOR(int, setttyentpath, char *path) {
7781	void *ctx;
7782	COMMON_INTERCEPTOR_ENTER(ctx, setttyentpath, path);
7783	if (path)
7784	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7785	return REAL(setttyentpath)(path);
7786	}
7787	#define INIT_TTYENTPATH COMMON_INTERCEPT_FUNCTION(setttyentpath);
7788	#else
7789	#define INIT_TTYENTPATH
7790	#endif
7791
7792	#if SANITIZER_INTERCEPT_PROTOENT
7793	static void write_protoent(void *ctx, struct __sanitizer_protoent *p) {
7794	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
7795
7796	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->p_name, internal_strlen(p->p_name) + 1);
7797
7798	SIZE_T pp_size = 1; // One handles the trailing \0
7799
7800	for (char **pp = p->p_aliases; *pp; ++pp, ++pp_size)
7801	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *pp, internal_strlen(*pp) + 1);
7802
7803	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->p_aliases, pp_size * sizeof(char *));
7804	}
7805
7806	INTERCEPTOR(struct __sanitizer_protoent *, getprotoent,) {
7807	void *ctx;
7808	COMMON_INTERCEPTOR_ENTER(ctx, getprotoent,);
7809	struct __sanitizer_protoent *p = REAL(getprotoent)();
7810	if (p)
7811	write_protoent(ctx, p);
7812	return p;
7813	}
7814
7815	INTERCEPTOR(struct __sanitizer_protoent *, getprotobyname, const char *name) {
7816	void *ctx;
7817	COMMON_INTERCEPTOR_ENTER(ctx, getprotobyname, name);
7818	if (name)
7819	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7820	struct __sanitizer_protoent *p = REAL(getprotobyname)(name);
7821	if (p)
7822	write_protoent(ctx, p);
7823	return p;
7824	}
7825
7826	INTERCEPTOR(struct __sanitizer_protoent *, getprotobynumber, int proto) {
7827	void *ctx;
7828	COMMON_INTERCEPTOR_ENTER(ctx, getprotobynumber, proto);
7829	struct __sanitizer_protoent *p = REAL(getprotobynumber)(proto);
7830	if (p)
7831	write_protoent(ctx, p);
7832	return p;
7833	}
7834	#define INIT_PROTOENT \
7835	COMMON_INTERCEPT_FUNCTION(getprotoent); \
7836	COMMON_INTERCEPT_FUNCTION(getprotobyname); \
7837	COMMON_INTERCEPT_FUNCTION(getprotobynumber)
7838	#else
7839	#define INIT_PROTOENT
7840	#endif
7841
7842	#if SANITIZER_INTERCEPT_PROTOENT_R
7843	INTERCEPTOR(int, getprotoent_r, struct __sanitizer_protoent *result_buf,
7844	char *buf, SIZE_T buflen, struct __sanitizer_protoent **result) {
7845	void *ctx;
7846	COMMON_INTERCEPTOR_ENTER(ctx, getprotoent_r, result_buf, buf, buflen,
7847	result);
7848	int res = REAL(getprotoent_r)(result_buf, buf, buflen, result);
7849
7850	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result);
7851	if (!res && *result)
7852	write_protoent(ctx, *result);
7853	return res;
7854	}
7855
7856	INTERCEPTOR(int, getprotobyname_r, const char *name,
7857	struct __sanitizer_protoent *result_buf, char *buf, SIZE_T buflen,
7858	struct __sanitizer_protoent **result) {
7859	void *ctx;
7860	COMMON_INTERCEPTOR_ENTER(ctx, getprotobyname_r, name, result_buf, buf,
7861	buflen, result);
7862	if (name)
7863	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7864	int res = REAL(getprotobyname_r)(name, result_buf, buf, buflen, result);
7865
7866	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result);
7867	if (!res && *result)
7868	write_protoent(ctx, *result);
7869	return res;
7870	}
7871
7872	INTERCEPTOR(int, getprotobynumber_r, int num,
7873	struct __sanitizer_protoent *result_buf, char *buf,
7874	SIZE_T buflen, struct __sanitizer_protoent **result) {
7875	void *ctx;
7876	COMMON_INTERCEPTOR_ENTER(ctx, getprotobynumber_r, num, result_buf, buf,
7877	buflen, result);
7878	int res = REAL(getprotobynumber_r)(num, result_buf, buf, buflen, result);
7879
7880	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result);
7881	if (!res && *result)
7882	write_protoent(ctx, *result);
7883	return res;
7884	}
7885
7886	#define INIT_PROTOENT_R \
7887	COMMON_INTERCEPT_FUNCTION(getprotoent_r); \
7888	COMMON_INTERCEPT_FUNCTION(getprotobyname_r); \
7889	COMMON_INTERCEPT_FUNCTION(getprotobynumber_r);
7890	#else
7891	#define INIT_PROTOENT_R
7892	#endif
7893
7894	#if SANITIZER_INTERCEPT_NETENT
7895	INTERCEPTOR(struct __sanitizer_netent *, getnetent,) {
7896	void *ctx;
7897	COMMON_INTERCEPTOR_ENTER(ctx, getnetent,);
7898	struct __sanitizer_netent *n = REAL(getnetent)();
7899	if (n) {
7900	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
7901
7902	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, internal_strlen(n->n_name) + 1);
7903
7904	SIZE_T nn_size = 1; // One handles the trailing \0
7905
7906	for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size)
7907	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, internal_strlen(*nn) + 1);
7908
7909	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, nn_size * sizeof(char *));
7910	}
7911	return n;
7912	}
7913
7914	INTERCEPTOR(struct __sanitizer_netent *, getnetbyname, const char *name) {
7915	void *ctx;
7916	COMMON_INTERCEPTOR_ENTER(ctx, getnetbyname, name);
7917	if (name)
7918	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7919	struct __sanitizer_netent *n = REAL(getnetbyname)(name);
7920	if (n) {
7921	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
7922
7923	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, internal_strlen(n->n_name) + 1);
7924
7925	SIZE_T nn_size = 1; // One handles the trailing \0
7926
7927	for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size)
7928	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, internal_strlen(*nn) + 1);
7929
7930	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, nn_size * sizeof(char *));
7931	}
7932	return n;
7933	}
7934
7935	INTERCEPTOR(struct __sanitizer_netent *, getnetbyaddr, u32 net, int type) {
7936	void *ctx;
7937	COMMON_INTERCEPTOR_ENTER(ctx, getnetbyaddr, net, type);
7938	struct __sanitizer_netent *n = REAL(getnetbyaddr)(net, type);
7939	if (n) {
7940	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
7941
7942	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, internal_strlen(n->n_name) + 1);
7943
7944	SIZE_T nn_size = 1; // One handles the trailing \0
7945
7946	for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size)
7947	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, internal_strlen(*nn) + 1);
7948
7949	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, nn_size * sizeof(char *));
7950	}
7951	return n;
7952	}
7953	#define INIT_NETENT \
7954	COMMON_INTERCEPT_FUNCTION(getnetent); \
7955	COMMON_INTERCEPT_FUNCTION(getnetbyname); \
7956	COMMON_INTERCEPT_FUNCTION(getnetbyaddr)
7957	#else
7958	#define INIT_NETENT
7959	#endif
7960
7961	#if SANITIZER_INTERCEPT_GETMNTINFO
7962	INTERCEPTOR(int, getmntinfo, void **mntbufp, int flags) {
7963	void *ctx;
7964	COMMON_INTERCEPTOR_ENTER(ctx, getmntinfo, mntbufp, flags);
7965	int cnt = REAL(getmntinfo)(mntbufp, flags);
7966	if (cnt > 0 && mntbufp) {
7967	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mntbufp, sizeof(void *));
7968	if (*mntbufp)
7969	#if SANITIZER_NETBSD
7970	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *mntbufp, cnt * struct_statvfs_sz);
7971	#else
7972	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *mntbufp, cnt * struct_statfs_sz);
7973	#endif
7974	}
7975	return cnt;
7976	}
7977	#define INIT_GETMNTINFO COMMON_INTERCEPT_FUNCTION(getmntinfo)
7978	#else
7979	#define INIT_GETMNTINFO
7980	#endif
7981
7982	#if SANITIZER_INTERCEPT_MI_VECTOR_HASH
7983	INTERCEPTOR(void, mi_vector_hash, const void *key, SIZE_T len, u32 seed,
7984	u32 hashes[3]) {
7985	void *ctx;
7986	COMMON_INTERCEPTOR_ENTER(ctx, mi_vector_hash, key, len, seed, hashes);
7987	if (key)
7988	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, len);
7989	REAL(mi_vector_hash)(key, len, seed, hashes);
7990	if (hashes)
7991	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hashes, sizeof(hashes[0]) * 3);
7992	}
7993	#define INIT_MI_VECTOR_HASH COMMON_INTERCEPT_FUNCTION(mi_vector_hash)
7994	#else
7995	#define INIT_MI_VECTOR_HASH
7996	#endif
7997
7998	#if SANITIZER_INTERCEPT_SETVBUF
7999	INTERCEPTOR(int, setvbuf, __sanitizer_FILE *stream, char *buf, int mode,
8000	SIZE_T size) {
8001	void *ctx;
8002	COMMON_INTERCEPTOR_ENTER(ctx, setvbuf, stream, buf, mode, size);
8003	int ret = REAL(setvbuf)(stream, buf, mode, size);
8004	if (buf)
8005	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, size);
8006	if (stream)
8007	unpoison_file(stream);
8008	return ret;
8009	}
8010
8011	INTERCEPTOR(void, setbuf, __sanitizer_FILE *stream, char *buf) {
8012	void *ctx;
8013	COMMON_INTERCEPTOR_ENTER(ctx, setbuf, stream, buf);
8014	REAL(setbuf)(stream, buf);
8015	if (buf) {
8016	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer_bufsiz);
8017	}
8018	if (stream)
8019	unpoison_file(stream);
8020	}
8021
8022	INTERCEPTOR(void, setbuffer, __sanitizer_FILE *stream, char *buf, SIZE_T size) {
8023	void *ctx;
8024	COMMON_INTERCEPTOR_ENTER(ctx, setbuffer, stream, buf, size);
8025	REAL(setbuffer)(stream, buf, size);
8026	if (buf) {
8027	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, size);
8028	}
8029	if (stream)
8030	unpoison_file(stream);
8031	}
8032
8033	INTERCEPTOR(void, setlinebuf, __sanitizer_FILE *stream) {
8034	void *ctx;
8035	COMMON_INTERCEPTOR_ENTER(ctx, setlinebuf, stream);
8036	REAL(setlinebuf)(stream);
8037	if (stream)
8038	unpoison_file(stream);
8039	}
8040	#define INIT_SETVBUF COMMON_INTERCEPT_FUNCTION(setvbuf); \
8041	COMMON_INTERCEPT_FUNCTION(setbuf); \
8042	COMMON_INTERCEPT_FUNCTION(setbuffer); \
8043	COMMON_INTERCEPT_FUNCTION(setlinebuf)
8044	#else
8045	#define INIT_SETVBUF
8046	#endif
8047
8048	#if SANITIZER_INTERCEPT_GETVFSSTAT
8049	INTERCEPTOR(int, getvfsstat, void *buf, SIZE_T bufsize, int flags) {
8050	void *ctx;
8051	COMMON_INTERCEPTOR_ENTER(ctx, getvfsstat, buf, bufsize, flags);
8052	int ret = REAL(getvfsstat)(buf, bufsize, flags);
8053	if (buf && ret > 0)
8054	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, ret * struct_statvfs_sz);
8055	return ret;
8056	}
8057	#define INIT_GETVFSSTAT COMMON_INTERCEPT_FUNCTION(getvfsstat)
8058	#else
8059	#define INIT_GETVFSSTAT
8060	#endif
8061
8062	#if SANITIZER_INTERCEPT_REGEX
8063	INTERCEPTOR(int, regcomp, void *preg, const char *pattern, int cflags) {
8064	void *ctx;
8065	COMMON_INTERCEPTOR_ENTER(ctx, regcomp, preg, pattern, cflags);
8066	if (pattern)
8067	COMMON_INTERCEPTOR_READ_RANGE(ctx, pattern, internal_strlen(pattern) + 1);
8068	int res = REAL(regcomp)(preg, pattern, cflags);
8069	if (preg)
8070	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, preg, struct_regex_sz);
8071	return res;
8072	}
8073	INTERCEPTOR(int, regexec, const void *preg, const char *string, SIZE_T nmatch,
8074	struct __sanitizer_regmatch *pmatch[], int eflags) {
8075	void *ctx;
8076	COMMON_INTERCEPTOR_ENTER(ctx, regexec, preg, string, nmatch, pmatch, eflags);
8077	if (preg)
8078	COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz);
8079	if (string)
8080	COMMON_INTERCEPTOR_READ_RANGE(ctx, string, internal_strlen(string) + 1);
8081	int res = REAL(regexec)(preg, string, nmatch, pmatch, eflags);
8082	if (!res && pmatch)
8083	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pmatch, nmatch * struct_regmatch_sz);
8084	return res;
8085	}
8086	INTERCEPTOR(SIZE_T, regerror, int errcode, const void *preg, char *errbuf,
8087	SIZE_T errbuf_size) {
8088	void *ctx;
8089	COMMON_INTERCEPTOR_ENTER(ctx, regerror, errcode, preg, errbuf, errbuf_size);
8090	if (preg)
8091	COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz);
8092	SIZE_T res = REAL(regerror)(errcode, preg, errbuf, errbuf_size);
8093	if (errbuf)
8094	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, errbuf, internal_strlen(errbuf) + 1);
8095	return res;
8096	}
8097	INTERCEPTOR(void, regfree, const void *preg) {
8098	void *ctx;
8099	COMMON_INTERCEPTOR_ENTER(ctx, regfree, preg);
8100	if (preg)
8101	COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz);
8102	REAL(regfree)(preg);
8103	}
8104	#define INIT_REGEX \
8105	COMMON_INTERCEPT_FUNCTION(regcomp); \
8106	COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(regexec, "GLIBC_2.3.4"); \
8107	COMMON_INTERCEPT_FUNCTION(regerror); \
8108	COMMON_INTERCEPT_FUNCTION(regfree);
8109	#else
8110	#define INIT_REGEX
8111	#endif
8112
8113	#if SANITIZER_INTERCEPT_REGEXSUB
8114	INTERCEPTOR(SSIZE_T, regnsub, char *buf, SIZE_T bufsiz, const char *sub,
8115	const struct __sanitizer_regmatch *rm, const char *str) {
8116	void *ctx;
8117	COMMON_INTERCEPTOR_ENTER(ctx, regnsub, buf, bufsiz, sub, rm, str);
8118	if (sub)
8119	COMMON_INTERCEPTOR_READ_RANGE(ctx, sub, internal_strlen(sub) + 1);
8120	// The implementation demands and hardcodes 10 elements
8121	if (rm)
8122	COMMON_INTERCEPTOR_READ_RANGE(ctx, rm, 10 * struct_regmatch_sz);
8123	if (str)
8124	COMMON_INTERCEPTOR_READ_RANGE(ctx, str, internal_strlen(str) + 1);
8125	SSIZE_T res = REAL(regnsub)(buf, bufsiz, sub, rm, str);
8126	if (res > 0 && buf)
8127	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, internal_strlen(buf) + 1);
8128	return res;
8129	}
8130	INTERCEPTOR(SSIZE_T, regasub, char **buf, const char *sub,
8131	const struct __sanitizer_regmatch *rm, const char *sstr) {
8132	void *ctx;
8133	COMMON_INTERCEPTOR_ENTER(ctx, regasub, buf, sub, rm, sstr);
8134	if (sub)
8135	COMMON_INTERCEPTOR_READ_RANGE(ctx, sub, internal_strlen(sub) + 1);
8136	// Hardcode 10 elements as this is hardcoded size
8137	if (rm)
8138	COMMON_INTERCEPTOR_READ_RANGE(ctx, rm, 10 * struct_regmatch_sz);
8139	if (sstr)
8140	COMMON_INTERCEPTOR_READ_RANGE(ctx, sstr, internal_strlen(sstr) + 1);
8141	SSIZE_T res = REAL(regasub)(buf, sub, rm, sstr);
8142	if (res > 0 && buf) {
8143	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sizeof(char *));
8144	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *buf, internal_strlen(*buf) + 1);
8145	}
8146	return res;
8147	}
8148
8149	#define INIT_REGEXSUB \
8150	COMMON_INTERCEPT_FUNCTION(regnsub); \
8151	COMMON_INTERCEPT_FUNCTION(regasub);
8152	#else
8153	#define INIT_REGEXSUB
8154	#endif
8155
8156	#if SANITIZER_INTERCEPT_FTS
8157	INTERCEPTOR(void *, fts_open, char *const *path_argv, int options,
8158	int (*compar)(void **, void **)) {
8159	void *ctx;
8160	COMMON_INTERCEPTOR_ENTER(ctx, fts_open, path_argv, options, compar);
8161	if (path_argv) {
8162	for (char *const *pa = path_argv; ; ++pa) {
8163	COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **));
8164	if (!*pa)
8165	break;
8166	COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, internal_strlen(*pa) + 1);
8167	}
8168	}
8169	// TODO(kamil): handle compar callback
8170	void *fts = REAL(fts_open)(path_argv, options, compar);
8171	if (fts)
8172	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, fts, struct_FTS_sz);
8173	return fts;
8174	}
8175
8176	INTERCEPTOR(void *, fts_read, void *ftsp) {
8177	void *ctx;
8178	COMMON_INTERCEPTOR_ENTER(ctx, fts_read, ftsp);
8179	if (ftsp)
8180	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8181	void *ftsent = REAL(fts_read)(ftsp);
8182	if (ftsent)
8183	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ftsent, struct_FTSENT_sz);
8184	return ftsent;
8185	}
8186
8187	INTERCEPTOR(void *, fts_children, void *ftsp, int options) {
8188	void *ctx;
8189	COMMON_INTERCEPTOR_ENTER(ctx, fts_children, ftsp, options);
8190	if (ftsp)
8191	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8192	void *ftsent = REAL(fts_children)(ftsp, options);
8193	if (ftsent)
8194	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ftsent, struct_FTSENT_sz);
8195	return ftsent;
8196	}
8197
8198	INTERCEPTOR(int, fts_set, void *ftsp, void *f, int options) {
8199	void *ctx;
8200	COMMON_INTERCEPTOR_ENTER(ctx, fts_set, ftsp, f, options);
8201	if (ftsp)
8202	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8203	if (f)
8204	COMMON_INTERCEPTOR_READ_RANGE(ctx, f, struct_FTSENT_sz);
8205	return REAL(fts_set)(ftsp, f, options);
8206	}
8207
8208	INTERCEPTOR(int, fts_close, void *ftsp) {
8209	void *ctx;
8210	COMMON_INTERCEPTOR_ENTER(ctx, fts_close, ftsp);
8211	if (ftsp)
8212	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8213	return REAL(fts_close)(ftsp);
8214	}
8215	#define INIT_FTS \
8216	COMMON_INTERCEPT_FUNCTION(fts_open); \
8217	COMMON_INTERCEPT_FUNCTION(fts_read); \
8218	COMMON_INTERCEPT_FUNCTION(fts_children); \
8219	COMMON_INTERCEPT_FUNCTION(fts_set); \
8220	COMMON_INTERCEPT_FUNCTION(fts_close);
8221	#else
8222	#define INIT_FTS
8223	#endif
8224
8225	#if SANITIZER_INTERCEPT_SYSCTL
8226	INTERCEPTOR(int, sysctl, int *name, unsigned int namelen, void *oldp,
8227	SIZE_T *oldlenp, void *newp, SIZE_T newlen) {
8228	void *ctx;
8229	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
8230	return internal_sysctl(name, namelen, oldp, oldlenp, newp, newlen);
8231	COMMON_INTERCEPTOR_ENTER(ctx, sysctl, name, namelen, oldp, oldlenp, newp,
8232	newlen);
8233	if (name)
8234	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, namelen * sizeof(*name));
8235	if (oldlenp)
8236	COMMON_INTERCEPTOR_READ_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8237	if (newp && newlen)
8238	COMMON_INTERCEPTOR_READ_RANGE(ctx, newp, newlen);
8239	int res = REAL(sysctl)(name, namelen, oldp, oldlenp, newp, newlen);
8240	if (!res) {
8241	if (oldlenp) {
8242	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8243	if (oldp)
8244	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldp, *oldlenp);
8245	}
8246	}
8247	return res;
8248	}
8249
8250	INTERCEPTOR(int, sysctlbyname, char *sname, void *oldp, SIZE_T *oldlenp,
8251	void *newp, SIZE_T newlen) {
8252	void *ctx;
8253	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
8254	return internal_sysctlbyname(sname, oldp, oldlenp, newp, newlen);
8255	COMMON_INTERCEPTOR_ENTER(ctx, sysctlbyname, sname, oldp, oldlenp, newp,
8256	newlen);
8257	if (sname)
8258	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8259	if (oldlenp)
8260	COMMON_INTERCEPTOR_READ_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8261	if (newp && newlen)
8262	COMMON_INTERCEPTOR_READ_RANGE(ctx, newp, newlen);
8263	int res = REAL(sysctlbyname)(sname, oldp, oldlenp, newp, newlen);
8264	if (!res) {
8265	if (oldlenp) {
8266	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8267	if (oldp)
8268	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldp, *oldlenp);
8269	}
8270	}
8271	return res;
8272	}
8273
8274	INTERCEPTOR(int, sysctlnametomib, const char *sname, int *name,
8275	SIZE_T *namelenp) {
8276	void *ctx;
8277	COMMON_INTERCEPTOR_ENTER(ctx, sysctlnametomib, sname, name, namelenp);
8278	if (sname)
8279	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8280	if (namelenp)
8281	COMMON_INTERCEPTOR_READ_RANGE(ctx, namelenp, sizeof(*namelenp));
8282	int res = REAL(sysctlnametomib)(sname, name, namelenp);
8283	if (!res) {
8284	if (namelenp) {
8285	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelenp, sizeof(*namelenp));
8286	if (name)
8287	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, *namelenp * sizeof(*name));
8288	}
8289	}
8290	return res;
8291	}
8292
8293	#define INIT_SYSCTL \
8294	COMMON_INTERCEPT_FUNCTION(sysctl); \
8295	COMMON_INTERCEPT_FUNCTION(sysctlbyname); \
8296	COMMON_INTERCEPT_FUNCTION(sysctlnametomib);
8297	#else
8298	#define INIT_SYSCTL
8299	#endif
8300
8301	#if SANITIZER_INTERCEPT_ASYSCTL
8302	INTERCEPTOR(void *, asysctl, const int *name, SIZE_T namelen, SIZE_T *len) {
8303	void *ctx;
8304	COMMON_INTERCEPTOR_ENTER(ctx, asysctl, name, namelen, len);
8305	if (name)
8306	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, sizeof(*name) * namelen);
8307	void *res = REAL(asysctl)(name, namelen, len);
8308	if (res && len) {
8309	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
8310	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, *len);
8311	}
8312	return res;
8313	}
8314
8315	INTERCEPTOR(void *, asysctlbyname, const char *sname, SIZE_T *len) {
8316	void *ctx;
8317	COMMON_INTERCEPTOR_ENTER(ctx, asysctlbyname, sname, len);
8318	if (sname)
8319	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8320	void *res = REAL(asysctlbyname)(sname, len);
8321	if (res && len) {
8322	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
8323	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, *len);
8324	}
8325	return res;
8326	}
8327	#define INIT_ASYSCTL \
8328	COMMON_INTERCEPT_FUNCTION(asysctl); \
8329	COMMON_INTERCEPT_FUNCTION(asysctlbyname);
8330	#else
8331	#define INIT_ASYSCTL
8332	#endif
8333
8334	#if SANITIZER_INTERCEPT_SYSCTLGETMIBINFO
8335	INTERCEPTOR(int, sysctlgetmibinfo, char *sname, int *name,
8336	unsigned int *namelenp, char *cname, SIZE_T *csz, void **rnode,
8337	int v) {
8338	void *ctx;
8339	COMMON_INTERCEPTOR_ENTER(ctx, sysctlgetmibinfo, sname, name, namelenp, cname,
8340	csz, rnode, v);
8341	if (sname)
8342	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8343	if (namelenp)
8344	COMMON_INTERCEPTOR_READ_RANGE(ctx, namelenp, sizeof(*namelenp));
8345	if (csz)
8346	COMMON_INTERCEPTOR_READ_RANGE(ctx, csz, sizeof(*csz));
8347	// Skip rnode, it's rarely used and not trivial to sanitize
8348	// It's also used mostly internally
8349	int res = REAL(sysctlgetmibinfo)(sname, name, namelenp, cname, csz, rnode, v);
8350	if (!res) {
8351	if (namelenp) {
8352	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelenp, sizeof(*namelenp));
8353	if (name)
8354	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, *namelenp * sizeof(*name));
8355	}
8356	if (csz) {
8357	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, csz, sizeof(*csz));
8358	if (cname)
8359	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cname, *csz);
8360	}
8361	}
8362	return res;
8363	}
8364	#define INIT_SYSCTLGETMIBINFO \
8365	COMMON_INTERCEPT_FUNCTION(sysctlgetmibinfo);
8366	#else
8367	#define INIT_SYSCTLGETMIBINFO
8368	#endif
8369
8370	#if SANITIZER_INTERCEPT_NL_LANGINFO
8371	INTERCEPTOR(char *, nl_langinfo, long item) {
8372	void *ctx;
8373	COMMON_INTERCEPTOR_ENTER(ctx, nl_langinfo, item);
8374	char *ret = REAL(nl_langinfo)(item);
8375	if (ret)
8376	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, internal_strlen(ret) + 1);
8377	return ret;
8378	}
8379	#define INIT_NL_LANGINFO COMMON_INTERCEPT_FUNCTION(nl_langinfo)
8380	#else
8381	#define INIT_NL_LANGINFO
8382	#endif
8383
8384	#if SANITIZER_INTERCEPT_MODCTL
8385	INTERCEPTOR(int, modctl, int operation, void *argp) {
8386	void *ctx;
8387	int ret;
8388	COMMON_INTERCEPTOR_ENTER(ctx, modctl, operation, argp);
8389
8390	if (operation == modctl_load) {
8391	if (argp) {
8392	__sanitizer_modctl_load_t *ml = (__sanitizer_modctl_load_t *)argp;
8393	COMMON_INTERCEPTOR_READ_RANGE(ctx, ml, sizeof(*ml));
8394	if (ml->ml_filename)
8395	COMMON_INTERCEPTOR_READ_RANGE(ctx, ml->ml_filename,
8396	internal_strlen(ml->ml_filename) + 1);
8397	if (ml->ml_props)
8398	COMMON_INTERCEPTOR_READ_RANGE(ctx, ml->ml_props, ml->ml_propslen);
8399	}
8400	ret = REAL(modctl)(operation, argp);
8401	} else if (operation == modctl_unload) {
8402	if (argp) {
8403	const char *name = (const char *)argp;
8404	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
8405	}
8406	ret = REAL(modctl)(operation, argp);
8407	} else if (operation == modctl_stat) {
8408	uptr iov_len;
8409	struct __sanitizer_iovec *iov = (struct __sanitizer_iovec *)argp;
8410	if (iov) {
8411	COMMON_INTERCEPTOR_READ_RANGE(ctx, iov, sizeof(*iov));
8412	iov_len = iov->iov_len;
8413	}
8414	ret = REAL(modctl)(operation, argp);
8415	if (iov)
8416	COMMON_INTERCEPTOR_WRITE_RANGE(
8417	ctx, iov->iov_base, Min(iov_len, iov->iov_len));
8418	} else if (operation == modctl_exists) {
8419	ret = REAL(modctl)(operation, argp);
8420	} else {
8421	ret = REAL(modctl)(operation, argp);
8422	}
8423
8424	return ret;
8425	}
8426	#define INIT_MODCTL COMMON_INTERCEPT_FUNCTION(modctl)
8427	#else
8428	#define INIT_MODCTL
8429	#endif
8430
8431	#if SANITIZER_INTERCEPT_STRTONUM
8432	INTERCEPTOR(long long, strtonum, const char *nptr, long long minval,
8433	long long maxval, const char **errstr) {
8434	void *ctx;
8435	COMMON_INTERCEPTOR_ENTER(ctx, strtonum, nptr, minval, maxval, errstr);
8436
8437	// TODO(kamil): Implement strtoll as a common inteceptor
8438	char *real_endptr;
8439	long long ret = (long long)REAL(strtoimax)(nptr, &real_endptr, 10);
8440	StrtolFixAndCheck(ctx, nptr, nullptr, real_endptr, 10);
8441
8442	ret = REAL(strtonum)(nptr, minval, maxval, errstr);
8443	if (errstr) {
8444	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, errstr, sizeof(const char *));
8445	if (*errstr)
8446	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *errstr, internal_strlen(*errstr) + 1);
8447	}
8448	return ret;
8449	}
8450	#define INIT_STRTONUM COMMON_INTERCEPT_FUNCTION(strtonum)
8451	#else
8452	#define INIT_STRTONUM
8453	#endif
8454
8455	#if SANITIZER_INTERCEPT_FPARSELN
8456	INTERCEPTOR(char *, fparseln, __sanitizer_FILE *stream, SIZE_T *len,
8457	SIZE_T *lineno, const char delim[3], int flags) {
8458	void *ctx;
8459	COMMON_INTERCEPTOR_ENTER(ctx, fparseln, stream, len, lineno, delim, flags);
8460	if (lineno)
8461	COMMON_INTERCEPTOR_READ_RANGE(ctx, lineno, sizeof(*lineno));
8462	if (delim)
8463	COMMON_INTERCEPTOR_READ_RANGE(ctx, delim, sizeof(delim[0]) * 3);
8464	char *ret = REAL(fparseln)(stream, len, lineno, delim, flags);
8465	if (ret) {
8466	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, internal_strlen(ret) + 1);
8467	if (len)
8468	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
8469	if (lineno)
8470	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineno, sizeof(*lineno));
8471	}
8472	return ret;
8473	}
8474	#define INIT_FPARSELN COMMON_INTERCEPT_FUNCTION(fparseln)
8475	#else
8476	#define INIT_FPARSELN
8477	#endif
8478
8479	#if SANITIZER_INTERCEPT_STATVFS1
8480	INTERCEPTOR(int, statvfs1, const char *path, void *buf, int flags) {
8481	void *ctx;
8482	COMMON_INTERCEPTOR_ENTER(ctx, statvfs1, path, buf, flags);
8483	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
8484	int res = REAL(statvfs1)(path, buf, flags);
8485	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
8486	return res;
8487	}
8488	INTERCEPTOR(int, fstatvfs1, int fd, void *buf, int flags) {
8489	void *ctx;
8490	COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs1, fd, buf, flags);
8491	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
8492	int res = REAL(fstatvfs1)(fd, buf, flags);
8493	if (!res) {
8494	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
8495	if (fd >= 0)
8496	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
8497	}
8498	return res;
8499	}
8500	#define INIT_STATVFS1 \
8501	COMMON_INTERCEPT_FUNCTION(statvfs1); \
8502	COMMON_INTERCEPT_FUNCTION(fstatvfs1);
8503	#else
8504	#define INIT_STATVFS1
8505	#endif
8506
8507	#if SANITIZER_INTERCEPT_STRTOI
8508	INTERCEPTOR(INTMAX_T, strtoi, const char *nptr, char **endptr, int base,
8509	INTMAX_T low, INTMAX_T high, int *rstatus) {
8510	void *ctx;
8511	COMMON_INTERCEPTOR_ENTER(ctx, strtoi, nptr, endptr, base, low, high, rstatus);
8512	char *real_endptr;
8513	INTMAX_T ret = REAL(strtoi)(nptr, &real_endptr, base, low, high, rstatus);
8514	StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base);
8515	if (rstatus)
8516	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rstatus, sizeof(*rstatus));
8517	return ret;
8518	}
8519
8520	INTERCEPTOR(UINTMAX_T, strtou, const char *nptr, char **endptr, int base,
8521	UINTMAX_T low, UINTMAX_T high, int *rstatus) {
8522	void *ctx;
8523	COMMON_INTERCEPTOR_ENTER(ctx, strtou, nptr, endptr, base, low, high, rstatus);
8524	char *real_endptr;
8525	UINTMAX_T ret = REAL(strtou)(nptr, &real_endptr, base, low, high, rstatus);
8526	StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base);
8527	if (rstatus)
8528	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rstatus, sizeof(*rstatus));
8529	return ret;
8530	}
8531	#define INIT_STRTOI \
8532	COMMON_INTERCEPT_FUNCTION(strtoi); \
8533	COMMON_INTERCEPT_FUNCTION(strtou)
8534	#else
8535	#define INIT_STRTOI
8536	#endif
8537
8538	#if SANITIZER_INTERCEPT_CAPSICUM
8539	#define CAP_RIGHTS_INIT_INTERCEPTOR(cap_rights_init, rights, ...) \
8540	{ \
8541	void *ctx; \
8542	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_init, rights, ##__VA_ARGS__); \
8543	if (rights) \
8544	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8545	__sanitizer_cap_rights_t *ret = \
8546	REAL(cap_rights_init)(rights, ##__VA_ARGS__); \
8547	if (ret) \
8548	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \
8549	return ret; \
8550	}
8551
8552	#define CAP_RIGHTS_SET_INTERCEPTOR(cap_rights_set, rights, ...) \
8553	{ \
8554	void *ctx; \
8555	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_set, rights, ##__VA_ARGS__); \
8556	if (rights) \
8557	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8558	__sanitizer_cap_rights_t *ret = \
8559	REAL(cap_rights_set)(rights, ##__VA_ARGS__); \
8560	if (ret) \
8561	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \
8562	return ret; \
8563	}
8564
8565	#define CAP_RIGHTS_CLEAR_INTERCEPTOR(cap_rights_clear, rights, ...) \
8566	{ \
8567	void *ctx; \
8568	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_clear, rights, ##__VA_ARGS__); \
8569	if (rights) \
8570	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8571	__sanitizer_cap_rights_t *ret = \
8572	REAL(cap_rights_clear)(rights, ##__VA_ARGS__); \
8573	if (ret) \
8574	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \
8575	return ret; \
8576	}
8577
8578	#define CAP_RIGHTS_IS_SET_INTERCEPTOR(cap_rights_is_set, rights, ...) \
8579	{ \
8580	void *ctx; \
8581	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_is_set, rights, ##__VA_ARGS__); \
8582	if (rights) \
8583	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8584	return REAL(cap_rights_is_set)(rights, ##__VA_ARGS__); \
8585	}
8586
8587	INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_init,
8588	__sanitizer_cap_rights_t *rights) {
8589	CAP_RIGHTS_INIT_INTERCEPTOR(cap_rights_init, rights);
8590	}
8591
8592	INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_set,
8593	__sanitizer_cap_rights_t *rights) {
8594	CAP_RIGHTS_SET_INTERCEPTOR(cap_rights_set, rights);
8595	}
8596
8597	INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_clear,
8598	__sanitizer_cap_rights_t *rights) {
8599	CAP_RIGHTS_CLEAR_INTERCEPTOR(cap_rights_clear, rights);
8600	}
8601
8602	INTERCEPTOR(bool, cap_rights_is_set,
8603	__sanitizer_cap_rights_t *rights) {
8604	CAP_RIGHTS_IS_SET_INTERCEPTOR(cap_rights_is_set, rights);
8605	}
8606
8607	INTERCEPTOR(int, cap_rights_limit, int fd,
8608	const __sanitizer_cap_rights_t *rights) {
8609	void *ctx;
8610	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_limit, fd, rights);
8611	if (rights)
8612	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights));
8613
8614	return REAL(cap_rights_limit)(fd, rights);
8615	}
8616
8617	INTERCEPTOR(int, cap_rights_get, int fd, __sanitizer_cap_rights_t *rights) {
8618	void *ctx;
8619	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_get, fd, rights);
8620	int ret = REAL(cap_rights_get)(fd, rights);
8621	if (!ret && rights)
8622	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rights, sizeof(*rights));
8623
8624	return ret;
8625	}
8626
8627	INTERCEPTOR(bool, cap_rights_is_valid, const __sanitizer_cap_rights_t *rights) {
8628	void *ctx;
8629	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_is_valid, rights);
8630	if (rights)
8631	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights));
8632
8633	return REAL(cap_rights_is_valid(rights));
8634	}
8635
8636	INTERCEPTOR(__sanitizer_cap_rights *, cap_rights_merge,
8637	__sanitizer_cap_rights *dst, const __sanitizer_cap_rights *src) {
8638	void *ctx;
8639	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_merge, dst, src);
8640	if (src)
8641	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
8642
8643	__sanitizer_cap_rights *ret = REAL(cap_rights_merge)(dst, src);
8644	if (dst)
8645	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
8646
8647	return ret;
8648	}
8649
8650	INTERCEPTOR(__sanitizer_cap_rights *, cap_rights_remove,
8651	__sanitizer_cap_rights *dst, const __sanitizer_cap_rights *src) {
8652	void *ctx;
8653	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_remove, dst, src);
8654	if (src)
8655	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
8656
8657	__sanitizer_cap_rights *ret = REAL(cap_rights_remove)(dst, src);
8658	if (dst)
8659	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
8660
8661	return ret;
8662	}
8663
8664	INTERCEPTOR(bool, cap_rights_contains, const __sanitizer_cap_rights *big,
8665	const __sanitizer_cap_rights *little) {
8666	void *ctx;
8667	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_contains, big, little);
8668	if (little)
8669	COMMON_INTERCEPTOR_READ_RANGE(ctx, little, sizeof(*little));
8670	if (big)
8671	COMMON_INTERCEPTOR_READ_RANGE(ctx, big, sizeof(*big));
8672
8673	return REAL(cap_rights_contains)(big, little);
8674	}
8675
8676	INTERCEPTOR(int, cap_ioctls_limit, int fd, const uptr *cmds, SIZE_T ncmds) {
8677	void *ctx;
8678	COMMON_INTERCEPTOR_ENTER(ctx, cap_ioctls_limit, fd, cmds, ncmds);
8679	if (cmds)
8680	COMMON_INTERCEPTOR_READ_RANGE(ctx, cmds, sizeof(*cmds) * ncmds);
8681
8682	return REAL(cap_ioctls_limit)(fd, cmds, ncmds);
8683	}
8684
8685	INTERCEPTOR(int, cap_ioctls_get, int fd, uptr *cmds, SIZE_T maxcmds) {
8686	void *ctx;
8687	COMMON_INTERCEPTOR_ENTER(ctx, cap_ioctls_get, fd, cmds, maxcmds);
8688	int ret = REAL(cap_ioctls_get)(fd, cmds, maxcmds);
8689	if (!ret && cmds)
8690	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cmds, sizeof(*cmds) * maxcmds);
8691
8692	return ret;
8693	}
8694	#define INIT_CAPSICUM \
8695	COMMON_INTERCEPT_FUNCTION(cap_rights_init); \
8696	COMMON_INTERCEPT_FUNCTION(cap_rights_set); \
8697	COMMON_INTERCEPT_FUNCTION(cap_rights_clear); \
8698	COMMON_INTERCEPT_FUNCTION(cap_rights_is_set); \
8699	COMMON_INTERCEPT_FUNCTION(cap_rights_get); \
8700	COMMON_INTERCEPT_FUNCTION(cap_rights_limit); \
8701	COMMON_INTERCEPT_FUNCTION(cap_rights_contains); \
8702	COMMON_INTERCEPT_FUNCTION(cap_rights_remove); \
8703	COMMON_INTERCEPT_FUNCTION(cap_rights_merge); \
8704	COMMON_INTERCEPT_FUNCTION(cap_rights_is_valid); \
8705	COMMON_INTERCEPT_FUNCTION(cap_ioctls_get); \
8706	COMMON_INTERCEPT_FUNCTION(cap_ioctls_limit)
8707	#else
8708	#define INIT_CAPSICUM
8709	#endif
8710
8711	#if SANITIZER_INTERCEPT_SHA1
8712	INTERCEPTOR(void, SHA1Init, void *context) {
8713	void *ctx;
8714	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Init, context);
8715	REAL(SHA1Init)(context);
8716	if (context)
8717	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA1_CTX_sz);
8718	}
8719	INTERCEPTOR(void, SHA1Update, void *context, const u8 *data, unsigned len) {
8720	void *ctx;
8721	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Update, context, data, len);
8722	if (data && len > 0)
8723	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8724	if (context)
8725	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz);
8726	REAL(SHA1Update)(context, data, len);
8727	if (context)
8728	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA1_CTX_sz);
8729	}
8730	INTERCEPTOR(void, SHA1Final, u8 digest[20], void *context) {
8731	void *ctx;
8732	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Final, digest, context);
8733	if (context)
8734	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz);
8735	REAL(SHA1Final)(digest, context);
8736	if (digest)
8737	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(u8) * 20);
8738	}
8739	INTERCEPTOR(void, SHA1Transform, u32 state[5], u8 buffer[64]) {
8740	void *ctx;
8741	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Transform, state, buffer);
8742	if (state)
8743	COMMON_INTERCEPTOR_READ_RANGE(ctx, state, sizeof(u32) * 5);
8744	if (buffer)
8745	COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, sizeof(u8) * 64);
8746	REAL(SHA1Transform)(state, buffer);
8747	if (state)
8748	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, state, sizeof(u32) * 5);
8749	}
8750	INTERCEPTOR(char *, SHA1End, void *context, char *buf) {
8751	void *ctx;
8752	COMMON_INTERCEPTOR_ENTER(ctx, SHA1End, context, buf);
8753	if (context)
8754	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz);
8755	char *ret = REAL(SHA1End)(context, buf);
8756	if (ret)
8757	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8758	return ret;
8759	}
8760	INTERCEPTOR(char *, SHA1File, char *filename, char *buf) {
8761	void *ctx;
8762	COMMON_INTERCEPTOR_ENTER(ctx, SHA1File, filename, buf);
8763	if (filename)
8764	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8765	char *ret = REAL(SHA1File)(filename, buf);
8766	if (ret)
8767	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8768	return ret;
8769	}
8770	INTERCEPTOR(char *, SHA1FileChunk, char *filename, char *buf, OFF_T offset,
8771	OFF_T length) {
8772	void *ctx;
8773	COMMON_INTERCEPTOR_ENTER(ctx, SHA1FileChunk, filename, buf, offset, length);
8774	if (filename)
8775	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8776	char *ret = REAL(SHA1FileChunk)(filename, buf, offset, length);
8777	if (ret)
8778	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8779	return ret;
8780	}
8781	INTERCEPTOR(char *, SHA1Data, u8 *data, SIZE_T len, char *buf) {
8782	void *ctx;
8783	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Data, data, len, buf);
8784	if (data)
8785	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8786	char *ret = REAL(SHA1Data)(data, len, buf);
8787	if (ret)
8788	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8789	return ret;
8790	}
8791	#define INIT_SHA1 \
8792	COMMON_INTERCEPT_FUNCTION(SHA1Init); \
8793	COMMON_INTERCEPT_FUNCTION(SHA1Update); \
8794	COMMON_INTERCEPT_FUNCTION(SHA1Final); \
8795	COMMON_INTERCEPT_FUNCTION(SHA1Transform); \
8796	COMMON_INTERCEPT_FUNCTION(SHA1End); \
8797	COMMON_INTERCEPT_FUNCTION(SHA1File); \
8798	COMMON_INTERCEPT_FUNCTION(SHA1FileChunk); \
8799	COMMON_INTERCEPT_FUNCTION(SHA1Data)
8800	#else
8801	#define INIT_SHA1
8802	#endif
8803
8804	#if SANITIZER_INTERCEPT_MD4
8805	INTERCEPTOR(void, MD4Init, void *context) {
8806	void *ctx;
8807	COMMON_INTERCEPTOR_ENTER(ctx, MD4Init, context);
8808	REAL(MD4Init)(context);
8809	if (context)
8810	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD4_CTX_sz);
8811	}
8812
8813	INTERCEPTOR(void, MD4Update, void *context, const unsigned char *data,
8814	unsigned int len) {
8815	void *ctx;
8816	COMMON_INTERCEPTOR_ENTER(ctx, MD4Update, context, data, len);
8817	if (data && len > 0)
8818	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8819	if (context)
8820	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz);
8821	REAL(MD4Update)(context, data, len);
8822	if (context)
8823	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD4_CTX_sz);
8824	}
8825
8826	INTERCEPTOR(void, MD4Final, unsigned char digest[16], void *context) {
8827	void *ctx;
8828	COMMON_INTERCEPTOR_ENTER(ctx, MD4Final, digest, context);
8829	if (context)
8830	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz);
8831	REAL(MD4Final)(digest, context);
8832	if (digest)
8833	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16);
8834	}
8835
8836	INTERCEPTOR(char *, MD4End, void *context, char *buf) {
8837	void *ctx;
8838	COMMON_INTERCEPTOR_ENTER(ctx, MD4End, context, buf);
8839	if (context)
8840	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz);
8841	char *ret = REAL(MD4End)(context, buf);
8842	if (ret)
8843	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length);
8844	return ret;
8845	}
8846
8847	INTERCEPTOR(char *, MD4File, const char *filename, char *buf) {
8848	void *ctx;
8849	COMMON_INTERCEPTOR_ENTER(ctx, MD4File, filename, buf);
8850	if (filename)
8851	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8852	char *ret = REAL(MD4File)(filename, buf);
8853	if (ret)
8854	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length);
8855	return ret;
8856	}
8857
8858	INTERCEPTOR(char *, MD4Data, const unsigned char *data, unsigned int len,
8859	char *buf) {
8860	void *ctx;
8861	COMMON_INTERCEPTOR_ENTER(ctx, MD4Data, data, len, buf);
8862	if (data && len > 0)
8863	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8864	char *ret = REAL(MD4Data)(data, len, buf);
8865	if (ret)
8866	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length);
8867	return ret;
8868	}
8869
8870	#define INIT_MD4 \
8871	COMMON_INTERCEPT_FUNCTION(MD4Init); \
8872	COMMON_INTERCEPT_FUNCTION(MD4Update); \
8873	COMMON_INTERCEPT_FUNCTION(MD4Final); \
8874	COMMON_INTERCEPT_FUNCTION(MD4End); \
8875	COMMON_INTERCEPT_FUNCTION(MD4File); \
8876	COMMON_INTERCEPT_FUNCTION(MD4Data)
8877	#else
8878	#define INIT_MD4
8879	#endif
8880
8881	#if SANITIZER_INTERCEPT_RMD160
8882	INTERCEPTOR(void, RMD160Init, void *context) {
8883	void *ctx;
8884	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Init, context);
8885	REAL(RMD160Init)(context);
8886	if (context)
8887	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, RMD160_CTX_sz);
8888	}
8889	INTERCEPTOR(void, RMD160Update, void *context, const u8 *data, unsigned len) {
8890	void *ctx;
8891	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Update, context, data, len);
8892	if (data && len > 0)
8893	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8894	if (context)
8895	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz);
8896	REAL(RMD160Update)(context, data, len);
8897	if (context)
8898	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, RMD160_CTX_sz);
8899	}
8900	INTERCEPTOR(void, RMD160Final, u8 digest[20], void *context) {
8901	void *ctx;
8902	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Final, digest, context);
8903	if (context)
8904	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz);
8905	REAL(RMD160Final)(digest, context);
8906	if (digest)
8907	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(u8) * 20);
8908	}
8909	INTERCEPTOR(void, RMD160Transform, u32 state[5], u16 buffer[16]) {
8910	void *ctx;
8911	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Transform, state, buffer);
8912	if (state)
8913	COMMON_INTERCEPTOR_READ_RANGE(ctx, state, sizeof(u32) * 5);
8914	if (buffer)
8915	COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, sizeof(u32) * 16);
8916	REAL(RMD160Transform)(state, buffer);
8917	if (state)
8918	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, state, sizeof(u32) * 5);
8919	}
8920	INTERCEPTOR(char *, RMD160End, void *context, char *buf) {
8921	void *ctx;
8922	COMMON_INTERCEPTOR_ENTER(ctx, RMD160End, context, buf);
8923	if (context)
8924	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz);
8925	char *ret = REAL(RMD160End)(context, buf);
8926	if (ret)
8927	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8928	return ret;
8929	}
8930	INTERCEPTOR(char *, RMD160File, char *filename, char *buf) {
8931	void *ctx;
8932	COMMON_INTERCEPTOR_ENTER(ctx, RMD160File, filename, buf);
8933	if (filename)
8934	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8935	char *ret = REAL(RMD160File)(filename, buf);
8936	if (ret)
8937	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8938	return ret;
8939	}
8940	INTERCEPTOR(char *, RMD160FileChunk, char *filename, char *buf, OFF_T offset,
8941	OFF_T length) {
8942	void *ctx;
8943	COMMON_INTERCEPTOR_ENTER(ctx, RMD160FileChunk, filename, buf, offset, length);
8944	if (filename)
8945	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8946	char *ret = REAL(RMD160FileChunk)(filename, buf, offset, length);
8947	if (ret)
8948	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8949	return ret;
8950	}
8951	INTERCEPTOR(char *, RMD160Data, u8 *data, SIZE_T len, char *buf) {
8952	void *ctx;
8953	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Data, data, len, buf);
8954	if (data && len > 0)
8955	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8956	char *ret = REAL(RMD160Data)(data, len, buf);
8957	if (ret)
8958	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8959	return ret;
8960	}
8961	#define INIT_RMD160 \
8962	COMMON_INTERCEPT_FUNCTION(RMD160Init); \
8963	COMMON_INTERCEPT_FUNCTION(RMD160Update); \
8964	COMMON_INTERCEPT_FUNCTION(RMD160Final); \
8965	COMMON_INTERCEPT_FUNCTION(RMD160Transform); \
8966	COMMON_INTERCEPT_FUNCTION(RMD160End); \
8967	COMMON_INTERCEPT_FUNCTION(RMD160File); \
8968	COMMON_INTERCEPT_FUNCTION(RMD160FileChunk); \
8969	COMMON_INTERCEPT_FUNCTION(RMD160Data)
8970	#else
8971	#define INIT_RMD160
8972	#endif
8973
8974	#if SANITIZER_INTERCEPT_FSEEK
8975	INTERCEPTOR(int, fseek, __sanitizer_FILE *stream, long int offset, int whence) {
8976	void *ctx;
8977	COMMON_INTERCEPTOR_ENTER(ctx, fseek, stream, offset, whence);
8978	return REAL(fseek)(stream, offset, whence);
8979	}
8980	INTERCEPTOR(int, fseeko, __sanitizer_FILE *stream, OFF_T offset, int whence) {
8981	void *ctx;
8982	COMMON_INTERCEPTOR_ENTER(ctx, fseeko, stream, offset, whence);
8983	return REAL(fseeko)(stream, offset, whence);
8984	}
8985	INTERCEPTOR(long int, ftell, __sanitizer_FILE *stream) {
8986	void *ctx;
8987	COMMON_INTERCEPTOR_ENTER(ctx, ftell, stream);
8988	return REAL(ftell)(stream);
8989	}
8990	INTERCEPTOR(OFF_T, ftello, __sanitizer_FILE *stream) {
8991	void *ctx;
8992	COMMON_INTERCEPTOR_ENTER(ctx, ftello, stream);
8993	return REAL(ftello)(stream);
8994	}
8995	INTERCEPTOR(void, rewind, __sanitizer_FILE *stream) {
8996	void *ctx;
8997	COMMON_INTERCEPTOR_ENTER(ctx, rewind, stream);
8998	return REAL(rewind)(stream);
8999	}
9000	INTERCEPTOR(int, fgetpos, __sanitizer_FILE *stream, void *pos) {
9001	void *ctx;
9002	COMMON_INTERCEPTOR_ENTER(ctx, fgetpos, stream, pos);
9003	int ret = REAL(fgetpos)(stream, pos);
9004	if (pos && !ret)
9005	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pos, fpos_t_sz);
9006	return ret;
9007	}
9008	INTERCEPTOR(int, fsetpos, __sanitizer_FILE *stream, const void *pos) {
9009	void *ctx;
9010	COMMON_INTERCEPTOR_ENTER(ctx, fsetpos, stream, pos);
9011	if (pos)
9012	COMMON_INTERCEPTOR_READ_RANGE(ctx, pos, fpos_t_sz);
9013	return REAL(fsetpos)(stream, pos);
9014	}
9015	#define INIT_FSEEK \
9016	COMMON_INTERCEPT_FUNCTION(fseek); \
9017	COMMON_INTERCEPT_FUNCTION(fseeko); \
9018	COMMON_INTERCEPT_FUNCTION(ftell); \
9019	COMMON_INTERCEPT_FUNCTION(ftello); \
9020	COMMON_INTERCEPT_FUNCTION(rewind); \
9021	COMMON_INTERCEPT_FUNCTION(fgetpos); \
9022	COMMON_INTERCEPT_FUNCTION(fsetpos)
9023	#else
9024	#define INIT_FSEEK
9025	#endif
9026
9027	#if SANITIZER_INTERCEPT_MD2
9028	INTERCEPTOR(void, MD2Init, void *context) {
9029	void *ctx;
9030	COMMON_INTERCEPTOR_ENTER(ctx, MD2Init, context);
9031	REAL(MD2Init)(context);
9032	if (context)
9033	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD2_CTX_sz);
9034	}
9035
9036	INTERCEPTOR(void, MD2Update, void *context, const unsigned char *data,
9037	unsigned int len) {
9038	void *ctx;
9039	COMMON_INTERCEPTOR_ENTER(ctx, MD2Update, context, data, len);
9040	if (data && len > 0)
9041	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
9042	if (context)
9043	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz);
9044	REAL(MD2Update)(context, data, len);
9045	if (context)
9046	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD2_CTX_sz);
9047	}
9048
9049	INTERCEPTOR(void, MD2Final, unsigned char digest[16], void *context) {
9050	void *ctx;
9051	COMMON_INTERCEPTOR_ENTER(ctx, MD2Final, digest, context);
9052	if (context)
9053	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz);
9054	REAL(MD2Final)(digest, context);
9055	if (digest)
9056	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16);
9057	}
9058
9059	INTERCEPTOR(char *, MD2End, void *context, char *buf) {
9060	void *ctx;
9061	COMMON_INTERCEPTOR_ENTER(ctx, MD2End, context, buf);
9062	if (context)
9063	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz);
9064	char *ret = REAL(MD2End)(context, buf);
9065	if (ret)
9066	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length);
9067	return ret;
9068	}
9069
9070	INTERCEPTOR(char *, MD2File, const char *filename, char *buf) {
9071	void *ctx;
9072	COMMON_INTERCEPTOR_ENTER(ctx, MD2File, filename, buf);
9073	if (filename)
9074	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
9075	char *ret = REAL(MD2File)(filename, buf);
9076	if (ret)
9077	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length);
9078	return ret;
9079	}
9080
9081	INTERCEPTOR(char *, MD2Data, const unsigned char *data, unsigned int len,
9082	char *buf) {
9083	void *ctx;
9084	COMMON_INTERCEPTOR_ENTER(ctx, MD2Data, data, len, buf);
9085	if (data && len > 0)
9086	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
9087	char *ret = REAL(MD2Data)(data, len, buf);
9088	if (ret)
9089	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length);
9090	return ret;
9091	}
9092
9093	#define INIT_MD2 \
9094	COMMON_INTERCEPT_FUNCTION(MD2Init); \
9095	COMMON_INTERCEPT_FUNCTION(MD2Update); \
9096	COMMON_INTERCEPT_FUNCTION(MD2Final); \
9097	COMMON_INTERCEPT_FUNCTION(MD2End); \
9098	COMMON_INTERCEPT_FUNCTION(MD2File); \
9099	COMMON_INTERCEPT_FUNCTION(MD2Data)
9100	#else
9101	#define INIT_MD2
9102	#endif
9103
9104	#if SANITIZER_INTERCEPT_VIS
9105	INTERCEPTOR(char *, vis, char *dst, int c, int flag, int nextc) {
9106	void *ctx;
9107	COMMON_INTERCEPTOR_ENTER(ctx, vis, dst, c, flag, nextc);
9108	char *end = REAL(vis)(dst, c, flag, nextc);
9109	// dst is NULL terminated and end points to the NULL char
9110	if (dst && end)
9111	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1);
9112	return end;
9113	}
9114	INTERCEPTOR(char *, nvis, char *dst, SIZE_T dlen, int c, int flag, int nextc) {
9115	void *ctx;
9116	COMMON_INTERCEPTOR_ENTER(ctx, nvis, dst, dlen, c, flag, nextc);
9117	char *end = REAL(nvis)(dst, dlen, c, flag, nextc);
9118	// nvis cannot make sure the dst is NULL terminated
9119	if (dst && end)
9120	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1);
9121	return end;
9122	}
9123	INTERCEPTOR(int, strvis, char *dst, const char *src, int flag) {
9124	void *ctx;
9125	COMMON_INTERCEPTOR_ENTER(ctx, strvis, dst, src, flag);
9126	if (src)
9127	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9128	int len = REAL(strvis)(dst, src, flag);
9129	if (dst)
9130	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9131	return len;
9132	}
9133	INTERCEPTOR(int, stravis, char **dst, const char *src, int flag) {
9134	void *ctx;
9135	COMMON_INTERCEPTOR_ENTER(ctx, stravis, dst, src, flag);
9136	if (src)
9137	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9138	int len = REAL(stravis)(dst, src, flag);
9139	if (dst) {
9140	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(char *));
9141	if (*dst)
9142	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *dst, len + 1);
9143	}
9144	return len;
9145	}
9146	INTERCEPTOR(int, strnvis, char *dst, SIZE_T dlen, const char *src, int flag) {
9147	void *ctx;
9148	COMMON_INTERCEPTOR_ENTER(ctx, strnvis, dst, dlen, src, flag);
9149	if (src)
9150	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9151	int len = REAL(strnvis)(dst, dlen, src, flag);
9152	// The interface will be valid even if there is no space for NULL char
9153	if (dst && len > 0)
9154	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9155	return len;
9156	}
9157	INTERCEPTOR(int, strvisx, char *dst, const char *src, SIZE_T len, int flag) {
9158	void *ctx;
9159	COMMON_INTERCEPTOR_ENTER(ctx, strvisx, dst, src, len, flag);
9160	if (src)
9161	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9162	int ret = REAL(strvisx)(dst, src, len, flag);
9163	if (dst)
9164	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9165	return ret;
9166	}
9167	INTERCEPTOR(int, strnvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len,
9168	int flag) {
9169	void *ctx;
9170	COMMON_INTERCEPTOR_ENTER(ctx, strnvisx, dst, dlen, src, len, flag);
9171	if (src)
9172	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9173	int ret = REAL(strnvisx)(dst, dlen, src, len, flag);
9174	if (dst && ret >= 0)
9175	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9176	return ret;
9177	}
9178	INTERCEPTOR(int, strenvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len,
9179	int flag, int *cerr_ptr) {
9180	void *ctx;
9181	COMMON_INTERCEPTOR_ENTER(ctx, strenvisx, dst, dlen, src, len, flag, cerr_ptr);
9182	if (src)
9183	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9184	// FIXME: only need to be checked when "flag | VIS_NOLOCALE" doesn't hold
9185	// according to the implementation
9186	if (cerr_ptr)
9187	COMMON_INTERCEPTOR_READ_RANGE(ctx, cerr_ptr, sizeof(int));
9188	int ret = REAL(strenvisx)(dst, dlen, src, len, flag, cerr_ptr);
9189	if (dst && ret >= 0)
9190	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9191	if (cerr_ptr)
9192	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cerr_ptr, sizeof(int));
9193	return ret;
9194	}
9195	INTERCEPTOR(char *, svis, char *dst, int c, int flag, int nextc,
9196	const char *extra) {
9197	void *ctx;
9198	COMMON_INTERCEPTOR_ENTER(ctx, svis, dst, c, flag, nextc, extra);
9199	if (extra)
9200	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9201	char *end = REAL(svis)(dst, c, flag, nextc, extra);
9202	if (dst && end)
9203	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1);
9204	return end;
9205	}
9206	INTERCEPTOR(char *, snvis, char *dst, SIZE_T dlen, int c, int flag, int nextc,
9207	const char *extra) {
9208	void *ctx;
9209	COMMON_INTERCEPTOR_ENTER(ctx, snvis, dst, dlen, c, flag, nextc, extra);
9210	if (extra)
9211	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9212	char *end = REAL(snvis)(dst, dlen, c, flag, nextc, extra);
9213	if (dst && end)
9214	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst,
9215	Min((SIZE_T)(end - dst + 1), dlen));
9216	return end;
9217	}
9218	INTERCEPTOR(int, strsvis, char *dst, const char *src, int flag,
9219	const char *extra) {
9220	void *ctx;
9221	COMMON_INTERCEPTOR_ENTER(ctx, strsvis, dst, src, flag, extra);
9222	if (src)
9223	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9224	if (extra)
9225	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9226	int len = REAL(strsvis)(dst, src, flag, extra);
9227	if (dst)
9228	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9229	return len;
9230	}
9231	INTERCEPTOR(int, strsnvis, char *dst, SIZE_T dlen, const char *src, int flag,
9232	const char *extra) {
9233	void *ctx;
9234	COMMON_INTERCEPTOR_ENTER(ctx, strsnvis, dst, dlen, src, flag, extra);
9235	if (src)
9236	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9237	if (extra)
9238	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9239	int len = REAL(strsnvis)(dst, dlen, src, flag, extra);
9240	// The interface will be valid even if there is no space for NULL char
9241	if (dst && len >= 0)
9242	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9243	return len;
9244	}
9245	INTERCEPTOR(int, strsvisx, char *dst, const char *src, SIZE_T len, int flag,
9246	const char *extra) {
9247	void *ctx;
9248	COMMON_INTERCEPTOR_ENTER(ctx, strsvisx, dst, src, len, flag, extra);
9249	if (src)
9250	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9251	if (extra)
9252	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9253	int ret = REAL(strsvisx)(dst, src, len, flag, extra);
9254	if (dst)
9255	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9256	return ret;
9257	}
9258	INTERCEPTOR(int, strsnvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len,
9259	int flag, const char *extra) {
9260	void *ctx;
9261	COMMON_INTERCEPTOR_ENTER(ctx, strsnvisx, dst, dlen, src, len, flag, extra);
9262	if (src)
9263	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9264	if (extra)
9265	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9266	int ret = REAL(strsnvisx)(dst, dlen, src, len, flag, extra);
9267	if (dst && ret >= 0)
9268	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9269	return ret;
9270	}
9271	INTERCEPTOR(int, strsenvisx, char *dst, SIZE_T dlen, const char *src,
9272	SIZE_T len, int flag, const char *extra, int *cerr_ptr) {
9273	void *ctx;
9274	COMMON_INTERCEPTOR_ENTER(ctx, strsenvisx, dst, dlen, src, len, flag, extra,
9275	cerr_ptr);
9276	if (src)
9277	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9278	if (extra)
9279	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9280	// FIXME: only need to be checked when "flag | VIS_NOLOCALE" doesn't hold
9281	// according to the implementation
9282	if (cerr_ptr)
9283	COMMON_INTERCEPTOR_READ_RANGE(ctx, cerr_ptr, sizeof(int));
9284	int ret = REAL(strsenvisx)(dst, dlen, src, len, flag, extra, cerr_ptr);
9285	if (dst && ret >= 0)
9286	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9287	if (cerr_ptr)
9288	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cerr_ptr, sizeof(int));
9289	return ret;
9290	}
9291	INTERCEPTOR(int, unvis, char *cp, int c, int *astate, int flag) {
9292	void *ctx;
9293	COMMON_INTERCEPTOR_ENTER(ctx, unvis, cp, c, astate, flag);
9294	if (astate)
9295	COMMON_INTERCEPTOR_READ_RANGE(ctx, astate, sizeof(*astate));
9296	int ret = REAL(unvis)(cp, c, astate, flag);
9297	if (ret == unvis_valid || ret == unvis_validpush) {
9298	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cp, sizeof(*cp));
9299	}
9300	return ret;
9301	}
9302	INTERCEPTOR(int, strunvis, char *dst, const char *src) {
9303	void *ctx;
9304	COMMON_INTERCEPTOR_ENTER(ctx, strunvis, dst, src);
9305	if (src)
9306	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9307	int ret = REAL(strunvis)(dst, src);
9308	if (ret != -1)
9309	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9310	return ret;
9311	}
9312	INTERCEPTOR(int, strnunvis, char *dst, SIZE_T dlen, const char *src) {
9313	void *ctx;
9314	COMMON_INTERCEPTOR_ENTER(ctx, strnunvis, dst, dlen, src);
9315	if (src)
9316	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9317	int ret = REAL(strnunvis)(dst, dlen, src);
9318	if (ret != -1)
9319	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9320	return ret;
9321	}
9322	INTERCEPTOR(int, strunvisx, char *dst, const char *src, int flag) {
9323	void *ctx;
9324	COMMON_INTERCEPTOR_ENTER(ctx, strunvisx, dst, src, flag);
9325	if (src)
9326	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9327	int ret = REAL(strunvisx)(dst, src, flag);
9328	if (ret != -1)
9329	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9330	return ret;
9331	}
9332	INTERCEPTOR(int, strnunvisx, char *dst, SIZE_T dlen, const char *src,
9333	int flag) {
9334	void *ctx;
9335	COMMON_INTERCEPTOR_ENTER(ctx, strnunvisx, dst, dlen, src, flag);
9336	if (src)
9337	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9338	int ret = REAL(strnunvisx)(dst, dlen, src, flag);
9339	if (ret != -1)
9340	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9341	return ret;
9342	}
9343	#define INIT_VIS \
9344	COMMON_INTERCEPT_FUNCTION(vis); \
9345	COMMON_INTERCEPT_FUNCTION(nvis); \
9346	COMMON_INTERCEPT_FUNCTION(strvis); \
9347	COMMON_INTERCEPT_FUNCTION(stravis); \
9348	COMMON_INTERCEPT_FUNCTION(strnvis); \
9349	COMMON_INTERCEPT_FUNCTION(strvisx); \
9350	COMMON_INTERCEPT_FUNCTION(strnvisx); \
9351	COMMON_INTERCEPT_FUNCTION(strenvisx); \
9352	COMMON_INTERCEPT_FUNCTION(svis); \
9353	COMMON_INTERCEPT_FUNCTION(snvis); \
9354	COMMON_INTERCEPT_FUNCTION(strsvis); \
9355	COMMON_INTERCEPT_FUNCTION(strsnvis); \
9356	COMMON_INTERCEPT_FUNCTION(strsvisx); \
9357	COMMON_INTERCEPT_FUNCTION(strsnvisx); \
9358	COMMON_INTERCEPT_FUNCTION(strsenvisx); \
9359	COMMON_INTERCEPT_FUNCTION(unvis); \
9360	COMMON_INTERCEPT_FUNCTION(strunvis); \
9361	COMMON_INTERCEPT_FUNCTION(strnunvis); \
9362	COMMON_INTERCEPT_FUNCTION(strunvisx); \
9363	COMMON_INTERCEPT_FUNCTION(strnunvisx)
9364	#else
9365	#define INIT_VIS
9366	#endif
9367
9368	#if SANITIZER_INTERCEPT_CDB
9369	INTERCEPTOR(struct __sanitizer_cdbr *, cdbr_open, const char *path, int flags) {
9370	void *ctx;
9371	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_open, path, flags);
9372	if (path)
9373	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
9374	struct __sanitizer_cdbr *cdbr = REAL(cdbr_open)(path, flags);
9375	if (cdbr)
9376	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbr, sizeof(*cdbr));
9377	return cdbr;
9378	}
9379
9380	INTERCEPTOR(struct __sanitizer_cdbr *, cdbr_open_mem, void *base, SIZE_T size,
9381	int flags, void (*unmap)(void *, void *, SIZE_T), void *cookie) {
9382	void *ctx;
9383	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_open_mem, base, size, flags, unmap,
9384	cookie);
9385	if (base && size)
9386	COMMON_INTERCEPTOR_READ_RANGE(ctx, base, size);
9387	struct __sanitizer_cdbr *cdbr =
9388	REAL(cdbr_open_mem)(base, size, flags, unmap, cookie);
9389	if (cdbr)
9390	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbr, sizeof(*cdbr));
9391	return cdbr;
9392	}
9393
9394	INTERCEPTOR(u32, cdbr_entries, struct __sanitizer_cdbr *cdbr) {
9395	void *ctx;
9396	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_entries, cdbr);
9397	if (cdbr)
9398	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9399	return REAL(cdbr_entries)(cdbr);
9400	}
9401
9402	INTERCEPTOR(int, cdbr_get, struct __sanitizer_cdbr *cdbr, u32 index,
9403	const void **data, SIZE_T *datalen) {
9404	void *ctx;
9405	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_get, cdbr, index, data, datalen);
9406	if (cdbr)
9407	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9408	int ret = REAL(cdbr_get)(cdbr, index, data, datalen);
9409	if (!ret) {
9410	if (data)
9411	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(*data));
9412	if (datalen)
9413	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datalen, sizeof(*datalen));
9414	if (data && datalen)
9415	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *data, *datalen);
9416	}
9417	return ret;
9418	}
9419
9420	INTERCEPTOR(int, cdbr_find, struct __sanitizer_cdbr *cdbr, const void *key,
9421	SIZE_T keylen, const void **data, SIZE_T *datalen) {
9422	void *ctx;
9423	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_find, cdbr, key, keylen, data, datalen);
9424	if (cdbr)
9425	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9426	if (key)
9427	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen);
9428	int ret = REAL(cdbr_find)(cdbr, key, keylen, data, datalen);
9429	if (!ret) {
9430	if (data)
9431	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(*data));
9432	if (datalen)
9433	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datalen, sizeof(*datalen));
9434	if (data && datalen)
9435	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *data, *datalen);
9436	}
9437	return ret;
9438	}
9439
9440	INTERCEPTOR(void, cdbr_close, struct __sanitizer_cdbr *cdbr) {
9441	void *ctx;
9442	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_close, cdbr);
9443	if (cdbr)
9444	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9445	REAL(cdbr_close)(cdbr);
9446	}
9447
9448	INTERCEPTOR(struct __sanitizer_cdbw *, cdbw_open) {
9449	void *ctx;
9450	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_open);
9451	struct __sanitizer_cdbw *ret = REAL(cdbw_open)();
9452	if (ret)
9453	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret));
9454	return ret;
9455	}
9456
9457	INTERCEPTOR(int, cdbw_put, struct __sanitizer_cdbw *cdbw, const void *key,
9458	SIZE_T keylen, const void *data, SIZE_T datalen) {
9459	void *ctx;
9460	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put, cdbw, key, keylen, data, datalen);
9461	if (cdbw)
9462	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9463	if (data && datalen)
9464	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, datalen);
9465	if (key && keylen)
9466	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen);
9467	int ret = REAL(cdbw_put)(cdbw, key, keylen, data, datalen);
9468	if (!ret && cdbw)
9469	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9470	return ret;
9471	}
9472
9473	INTERCEPTOR(int, cdbw_put_data, struct __sanitizer_cdbw *cdbw, const void *data,
9474	SIZE_T datalen, u32 *index) {
9475	void *ctx;
9476	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put_data, cdbw, data, datalen, index);
9477	if (cdbw)
9478	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9479	if (data && datalen)
9480	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, datalen);
9481	int ret = REAL(cdbw_put_data)(cdbw, data, datalen, index);
9482	if (!ret) {
9483	if (index)
9484	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, index, sizeof(*index));
9485	if (cdbw)
9486	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9487	}
9488	return ret;
9489	}
9490
9491	INTERCEPTOR(int, cdbw_put_key, struct __sanitizer_cdbw *cdbw, const void *key,
9492	SIZE_T keylen, u32 index) {
9493	void *ctx;
9494	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put_key, cdbw, key, keylen, index);
9495	if (cdbw)
9496	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9497	if (key && keylen)
9498	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen);
9499	int ret = REAL(cdbw_put_key)(cdbw, key, keylen, index);
9500	if (!ret && cdbw)
9501	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9502	return ret;
9503	}
9504
9505	INTERCEPTOR(int, cdbw_output, struct __sanitizer_cdbw *cdbw, int output,
9506	const char descr[16], u32 (*seedgen)(void)) {
9507	void *ctx;
9508	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_output, cdbw, output, descr, seedgen);
9509	COMMON_INTERCEPTOR_FD_ACCESS(ctx, output);
9510	if (cdbw)
9511	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9512	if (descr)
9513	COMMON_INTERCEPTOR_READ_RANGE(ctx, descr, internal_strnlen(descr, 16));
9514	if (seedgen)
9515	COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)seedgen, sizeof(seedgen));
9516	int ret = REAL(cdbw_output)(cdbw, output, descr, seedgen);
9517	if (!ret) {
9518	if (cdbw)
9519	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9520	if (output >= 0)
9521	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, output);
9522	}
9523	return ret;
9524	}
9525
9526	INTERCEPTOR(void, cdbw_close, struct __sanitizer_cdbw *cdbw) {
9527	void *ctx;
9528	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_close, cdbw);
9529	if (cdbw)
9530	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9531	REAL(cdbw_close)(cdbw);
9532	}
9533
9534	#define INIT_CDB \
9535	COMMON_INTERCEPT_FUNCTION(cdbr_open); \
9536	COMMON_INTERCEPT_FUNCTION(cdbr_open_mem); \
9537	COMMON_INTERCEPT_FUNCTION(cdbr_entries); \
9538	COMMON_INTERCEPT_FUNCTION(cdbr_get); \
9539	COMMON_INTERCEPT_FUNCTION(cdbr_find); \
9540	COMMON_INTERCEPT_FUNCTION(cdbr_close); \
9541	COMMON_INTERCEPT_FUNCTION(cdbw_open); \
9542	COMMON_INTERCEPT_FUNCTION(cdbw_put); \
9543	COMMON_INTERCEPT_FUNCTION(cdbw_put_data); \
9544	COMMON_INTERCEPT_FUNCTION(cdbw_put_key); \
9545	COMMON_INTERCEPT_FUNCTION(cdbw_output); \
9546	COMMON_INTERCEPT_FUNCTION(cdbw_close)
9547	#else
9548	#define INIT_CDB
9549	#endif
9550
9551	#if SANITIZER_INTERCEPT_GETFSENT
9552	INTERCEPTOR(void *, getfsent) {
9553	void *ctx;
9554	COMMON_INTERCEPTOR_ENTER(ctx, getfsent);
9555	void *ret = REAL(getfsent)();
9556	if (ret)
9557	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz);
9558	return ret;
9559	}
9560
9561	INTERCEPTOR(void *, getfsspec, const char *spec) {
9562	void *ctx;
9563	COMMON_INTERCEPTOR_ENTER(ctx, getfsspec, spec);
9564	if (spec)
9565	COMMON_INTERCEPTOR_READ_RANGE(ctx, spec, internal_strlen(spec) + 1);
9566	void *ret = REAL(getfsspec)(spec);
9567	if (ret)
9568	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz);
9569	return ret;
9570	}
9571
9572	INTERCEPTOR(void *, getfsfile, const char *file) {
9573	void *ctx;
9574	COMMON_INTERCEPTOR_ENTER(ctx, getfsfile, file);
9575	if (file)
9576	COMMON_INTERCEPTOR_READ_RANGE(ctx, file, internal_strlen(file) + 1);
9577	void *ret = REAL(getfsfile)(file);
9578	if (ret)
9579	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz);
9580	return ret;
9581	}
9582
9583	#define INIT_GETFSENT \
9584	COMMON_INTERCEPT_FUNCTION(getfsent); \
9585	COMMON_INTERCEPT_FUNCTION(getfsspec); \
9586	COMMON_INTERCEPT_FUNCTION(getfsfile);
9587	#else
9588	#define INIT_GETFSENT
9589	#endif
9590
9591	#if SANITIZER_INTERCEPT_ARC4RANDOM
9592	INTERCEPTOR(void, arc4random_buf, void *buf, SIZE_T len) {
9593	void *ctx;
9594	COMMON_INTERCEPTOR_ENTER(ctx, arc4random_buf, buf, len);
9595	REAL(arc4random_buf)(buf, len);
9596	if (buf && len)
9597	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, len);
9598	}
9599
9600	INTERCEPTOR(void, arc4random_addrandom, u8 *dat, int datlen) {
9601	void *ctx;
9602	COMMON_INTERCEPTOR_ENTER(ctx, arc4random_addrandom, dat, datlen);
9603	if (dat && datlen)
9604	COMMON_INTERCEPTOR_READ_RANGE(ctx, dat, datlen);
9605	REAL(arc4random_addrandom)(dat, datlen);
9606	}
9607
9608	#define INIT_ARC4RANDOM \
9609	COMMON_INTERCEPT_FUNCTION(arc4random_buf); \
9610	COMMON_INTERCEPT_FUNCTION(arc4random_addrandom);
9611	#else
9612	#define INIT_ARC4RANDOM
9613	#endif
9614
9615	#if SANITIZER_INTERCEPT_POPEN
9616	INTERCEPTOR(__sanitizer_FILE *, popen, const char *command, const char *type) {
9617	void *ctx;
9618	COMMON_INTERCEPTOR_ENTER(ctx, popen, command, type);
9619	if (command)
9620	COMMON_INTERCEPTOR_READ_RANGE(ctx, command, internal_strlen(command) + 1);
9621	if (type)
9622	COMMON_INTERCEPTOR_READ_RANGE(ctx, type, internal_strlen(type) + 1);
9623	__sanitizer_FILE *res = REAL(popen)(command, type);
9624	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, nullptr);
9625	if (res) unpoison_file(res);
9626	return res;
9627	}
9628	#define INIT_POPEN COMMON_INTERCEPT_FUNCTION(popen)
9629	#else
9630	#define INIT_POPEN
9631	#endif
9632
9633	#if SANITIZER_INTERCEPT_POPENVE
9634	INTERCEPTOR(__sanitizer_FILE *, popenve, const char *path,
9635	char *const *argv, char *const *envp, const char *type) {
9636	void *ctx;
9637	COMMON_INTERCEPTOR_ENTER(ctx, popenve, path, argv, envp, type);
9638	if (path)
9639	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
9640	if (argv) {
9641	for (char *const *pa = argv; ; ++pa) {
9642	COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **));
9643	if (!*pa)
9644	break;
9645	COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, internal_strlen(*pa) + 1);
9646	}
9647	}
9648	if (envp) {
9649	for (char *const *pa = envp; ; ++pa) {
9650	COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **));
9651	if (!*pa)
9652	break;
9653	COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, internal_strlen(*pa) + 1);
9654	}
9655	}
9656	if (type)
9657	COMMON_INTERCEPTOR_READ_RANGE(ctx, type, internal_strlen(type) + 1);
9658	__sanitizer_FILE *res = REAL(popenve)(path, argv, envp, type);
9659	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, nullptr);
9660	if (res) unpoison_file(res);
9661	return res;
9662	}
9663	#define INIT_POPENVE COMMON_INTERCEPT_FUNCTION(popenve)
9664	#else
9665	#define INIT_POPENVE
9666	#endif
9667
9668	#if SANITIZER_INTERCEPT_PCLOSE
9669	INTERCEPTOR(int, pclose, __sanitizer_FILE *fp) {
9670	void *ctx;
9671	COMMON_INTERCEPTOR_ENTER(ctx, pclose, fp);
9672	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
9673	const FileMetadata *m = GetInterceptorMetadata(fp);
9674	int res = REAL(pclose)(fp);
9675	if (m) {
9676	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size);
9677	DeleteInterceptorMetadata(fp);
9678	}
9679	return res;
9680	}
9681	#define INIT_PCLOSE COMMON_INTERCEPT_FUNCTION(pclose);
9682	#else
9683	#define INIT_PCLOSE
9684	#endif
9685
9686	#if SANITIZER_INTERCEPT_FUNOPEN
9687	typedef int (*funopen_readfn)(void *cookie, char *buf, int len);
9688	typedef int (*funopen_writefn)(void *cookie, const char *buf, int len);
9689	typedef OFF_T (*funopen_seekfn)(void *cookie, OFF_T offset, int whence);
9690	typedef int (*funopen_closefn)(void *cookie);
9691
9692	struct WrappedFunopenCookie {
9693	void *real_cookie;
9694	funopen_readfn real_read;
9695	funopen_writefn real_write;
9696	funopen_seekfn real_seek;
9697	funopen_closefn real_close;
9698	};
9699
9700	static int wrapped_funopen_read(void *cookie, char *buf, int len) {
9701	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9702	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9703	funopen_readfn real_read = wrapped_cookie->real_read;
9704	return real_read(wrapped_cookie->real_cookie, buf, len);
9705	}
9706
9707	static int wrapped_funopen_write(void *cookie, const char *buf, int len) {
9708	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9709	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9710	funopen_writefn real_write = wrapped_cookie->real_write;
9711	return real_write(wrapped_cookie->real_cookie, buf, len);
9712	}
9713
9714	static OFF_T wrapped_funopen_seek(void *cookie, OFF_T offset, int whence) {
9715	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9716	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9717	funopen_seekfn real_seek = wrapped_cookie->real_seek;
9718	return real_seek(wrapped_cookie->real_cookie, offset, whence);
9719	}
9720
9721	static int wrapped_funopen_close(void *cookie) {
9722	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
9723	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9724	funopen_closefn real_close = wrapped_cookie->real_close;
9725	int res = real_close(wrapped_cookie->real_cookie);
9726	InternalFree(wrapped_cookie);
9727	return res;
9728	}
9729
9730	INTERCEPTOR(__sanitizer_FILE *, funopen, void *cookie, funopen_readfn readfn,
9731	funopen_writefn writefn, funopen_seekfn seekfn,
9732	funopen_closefn closefn) {
9733	void *ctx;
9734	COMMON_INTERCEPTOR_ENTER(ctx, funopen, cookie, readfn, writefn, seekfn,
9735	closefn);
9736
9737	WrappedFunopenCookie *wrapped_cookie =
9738	(WrappedFunopenCookie *)InternalAlloc(sizeof(WrappedFunopenCookie));
9739	wrapped_cookie->real_cookie = cookie;
9740	wrapped_cookie->real_read = readfn;
9741	wrapped_cookie->real_write = writefn;
9742	wrapped_cookie->real_seek = seekfn;
9743	wrapped_cookie->real_close = closefn;
9744
9745	__sanitizer_FILE *res =
9746	REAL(funopen)(wrapped_cookie,
9747	readfn ? wrapped_funopen_read : nullptr,
9748	writefn ? wrapped_funopen_write : nullptr,
9749	seekfn ? wrapped_funopen_seek : nullptr,
9750	closefn ? wrapped_funopen_close : nullptr);
9751	if (res)
9752	unpoison_file(res);
9753	return res;
9754	}
9755	#define INIT_FUNOPEN COMMON_INTERCEPT_FUNCTION(funopen)
9756	#else
9757	#define INIT_FUNOPEN
9758	#endif
9759
9760	#if SANITIZER_INTERCEPT_FUNOPEN2
9761	typedef SSIZE_T (*funopen2_readfn)(void *cookie, void *buf, SIZE_T len);
9762	typedef SSIZE_T (*funopen2_writefn)(void *cookie, const void *buf, SIZE_T len);
9763	typedef OFF_T (*funopen2_seekfn)(void *cookie, OFF_T offset, int whence);
9764	typedef int (*funopen2_flushfn)(void *cookie);
9765	typedef int (*funopen2_closefn)(void *cookie);
9766
9767	struct WrappedFunopen2Cookie {
9768	void *real_cookie;
9769	funopen2_readfn real_read;
9770	funopen2_writefn real_write;
9771	funopen2_seekfn real_seek;
9772	funopen2_flushfn real_flush;
9773	funopen2_closefn real_close;
9774	};
9775
9776	static SSIZE_T wrapped_funopen2_read(void *cookie, void *buf, SIZE_T len) {
9777	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9778	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9779	funopen2_readfn real_read = wrapped_cookie->real_read;
9780	return real_read(wrapped_cookie->real_cookie, buf, len);
9781	}
9782
9783	static SSIZE_T wrapped_funopen2_write(void *cookie, const void *buf,
9784	SIZE_T len) {
9785	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9786	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9787	funopen2_writefn real_write = wrapped_cookie->real_write;
9788	return real_write(wrapped_cookie->real_cookie, buf, len);
9789	}
9790
9791	static OFF_T wrapped_funopen2_seek(void *cookie, OFF_T offset, int whence) {
9792	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9793	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9794	funopen2_seekfn real_seek = wrapped_cookie->real_seek;
9795	return real_seek(wrapped_cookie->real_cookie, offset, whence);
9796	}
9797
9798	static int wrapped_funopen2_flush(void *cookie) {
9799	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
9800	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9801	funopen2_flushfn real_flush = wrapped_cookie->real_flush;
9802	return real_flush(wrapped_cookie->real_cookie);
9803	}
9804
9805	static int wrapped_funopen2_close(void *cookie) {
9806	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
9807	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9808	funopen2_closefn real_close = wrapped_cookie->real_close;
9809	int res = real_close(wrapped_cookie->real_cookie);
9810	InternalFree(wrapped_cookie);
9811	return res;
9812	}
9813
9814	INTERCEPTOR(__sanitizer_FILE *, funopen2, void *cookie, funopen2_readfn readfn,
9815	funopen2_writefn writefn, funopen2_seekfn seekfn,
9816	funopen2_flushfn flushfn, funopen2_closefn closefn) {
9817	void *ctx;
9818	COMMON_INTERCEPTOR_ENTER(ctx, funopen2, cookie, readfn, writefn, seekfn,
9819	flushfn, closefn);
9820
9821	WrappedFunopen2Cookie *wrapped_cookie =
9822	(WrappedFunopen2Cookie *)InternalAlloc(sizeof(WrappedFunopen2Cookie));
9823	wrapped_cookie->real_cookie = cookie;
9824	wrapped_cookie->real_read = readfn;
9825	wrapped_cookie->real_write = writefn;
9826	wrapped_cookie->real_seek = seekfn;
9827	wrapped_cookie->real_flush = flushfn;
9828	wrapped_cookie->real_close = closefn;
9829
9830	__sanitizer_FILE *res =
9831	REAL(funopen2)(wrapped_cookie,
9832	readfn ? wrapped_funopen2_read : nullptr,
9833	writefn ? wrapped_funopen2_write : nullptr,
9834	seekfn ? wrapped_funopen2_seek : nullptr,
9835	flushfn ? wrapped_funopen2_flush : nullptr,
9836	closefn ? wrapped_funopen2_close : nullptr);
9837	if (res)
9838	unpoison_file(res);
9839	return res;
9840	}
9841	#define INIT_FUNOPEN2 COMMON_INTERCEPT_FUNCTION(funopen2)
9842	#else
9843	#define INIT_FUNOPEN2
9844	#endif
9845
9846	#if SANITIZER_INTERCEPT_FDEVNAME
9847	INTERCEPTOR(char *, fdevname, int fd) {
9848	void *ctx;
9849	COMMON_INTERCEPTOR_ENTER(ctx, fdevname, fd);
9850	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
9851	char *name = REAL(fdevname)(fd);
9852	if (name) {
9853	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
9854	if (fd > 0)
9855	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
9856	}
9857	return name;
9858	}
9859
9860	INTERCEPTOR(char *, fdevname_r, int fd, char *buf, SIZE_T len) {
9861	void *ctx;
9862	COMMON_INTERCEPTOR_ENTER(ctx, fdevname_r, fd, buf, len);
9863	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
9864	char *name = REAL(fdevname_r)(fd, buf, len);
9865	if (name && buf && len > 0) {
9866	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, internal_strlen(buf) + 1);
9867	if (fd > 0)
9868	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
9869	}
9870	return name;
9871	}
9872
9873	#define INIT_FDEVNAME \
9874	COMMON_INTERCEPT_FUNCTION(fdevname); \
9875	COMMON_INTERCEPT_FUNCTION(fdevname_r);
9876	#else
9877	#define INIT_FDEVNAME
9878	#endif
9879
9880	#if SANITIZER_INTERCEPT_GETUSERSHELL
9881	INTERCEPTOR(char *, getusershell,) {
9882	void *ctx;
9883	COMMON_INTERCEPTOR_ENTER(ctx, getusershell,);
9884	char *res = REAL(getusershell)();
9885	if (res)
9886	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
9887	return res;
9888	}
9889
9890	#define INIT_GETUSERSHELL COMMON_INTERCEPT_FUNCTION(getusershell);
9891	#else
9892	#define INIT_GETUSERSHELL
9893	#endif
9894
9895	#if SANITIZER_INTERCEPT_SL_INIT
9896	INTERCEPTOR(void *, sl_init) {
9897	void *ctx;
9898	COMMON_INTERCEPTOR_ENTER(ctx, sl_init);
9899	void *res = REAL(sl_init)();
9900	if (res)
9901	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer::struct_StringList_sz);
9902	return res;
9903	}
9904
9905	INTERCEPTOR(int, sl_add, void *sl, char *item) {
9906	void *ctx;
9907	COMMON_INTERCEPTOR_ENTER(ctx, sl_add, sl, item);
9908	if (sl)
9909	COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9910	if (item)
9911	COMMON_INTERCEPTOR_READ_RANGE(ctx, item, internal_strlen(item) + 1);
9912	int res = REAL(sl_add)(sl, item);
9913	if (!res)
9914	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9915	return res;
9916	}
9917
9918	INTERCEPTOR(char *, sl_find, void *sl, const char *item) {
9919	void *ctx;
9920	COMMON_INTERCEPTOR_ENTER(ctx, sl_find, sl, item);
9921	if (sl)
9922	COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9923	if (item)
9924	COMMON_INTERCEPTOR_READ_RANGE(ctx, item, internal_strlen(item) + 1);
9925	char *res = REAL(sl_find)(sl, item);
9926	if (res)
9927	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
9928	return res;
9929	}
9930
9931	INTERCEPTOR(void, sl_free, void *sl, int freeall) {
9932	void *ctx;
9933	COMMON_INTERCEPTOR_ENTER(ctx, sl_free, sl, freeall);
9934	if (sl)
9935	COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9936	REAL(sl_free)(sl, freeall);
9937	}
9938
9939	#define INIT_SL_INIT \
9940	COMMON_INTERCEPT_FUNCTION(sl_init); \
9941	COMMON_INTERCEPT_FUNCTION(sl_add); \
9942	COMMON_INTERCEPT_FUNCTION(sl_find); \
9943	COMMON_INTERCEPT_FUNCTION(sl_free);
9944	#else
9945	#define INIT_SL_INIT
9946	#endif
9947
9948	#if SANITIZER_INTERCEPT_GETRANDOM
9949	INTERCEPTOR(SSIZE_T, getrandom, void *buf, SIZE_T buflen, unsigned int flags) {
9950	void *ctx;
9951	COMMON_INTERCEPTOR_ENTER(ctx, getrandom, buf, buflen, flags);
9952	// If GRND_NONBLOCK is set in the flags, it is non blocking.
9953	static const int grnd_nonblock = 1;
9954	SSIZE_T n;
9955	if ((flags & grnd_nonblock))
9956	n = REAL(getrandom)(buf, buflen, flags);
9957	else
9958	n = COMMON_INTERCEPTOR_BLOCK_REAL(getrandom)(buf, buflen, flags);
9959	if (n > 0) {
9960	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, n);
9961	}
9962	return n;
9963	}
9964	#define INIT_GETRANDOM COMMON_INTERCEPT_FUNCTION(getrandom)
9965	#else
9966	#define INIT_GETRANDOM
9967	#endif
9968
9969	#if SANITIZER_INTERCEPT_GETENTROPY
9970	INTERCEPTOR(int, getentropy, void *buf, SIZE_T buflen) {
9971	void *ctx;
9972	COMMON_INTERCEPTOR_ENTER(ctx, getentropy, buf, buflen);
9973	int r = REAL(getentropy)(buf, buflen);
9974	if (r == 0) {
9975	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
9976	}
9977	return r;
9978	}
9979	#define INIT_GETENTROPY COMMON_INTERCEPT_FUNCTION(getentropy)
9980	#else
9981	#define INIT_GETENTROPY
9982	#endif
9983
9984	#if SANITIZER_INTERCEPT_QSORT_R
9985	typedef int (*qsort_r_compar_f)(const void *, const void *, void *);
9986	struct qsort_r_compar_params {
9987	SIZE_T size;
9988	qsort_r_compar_f compar;
9989	void *arg;
9990	};
9991	static int wrapped_qsort_r_compar(const void *a, const void *b, void *arg) {
9992	qsort_r_compar_params *params = (qsort_r_compar_params *)arg;
9993	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9994	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, params->size);
9995	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, params->size);
9996	return params->compar(a, b, params->arg);
9997	}
9998
9999	INTERCEPTOR(void, qsort_r, void *base, SIZE_T nmemb, SIZE_T size,
10000	qsort_r_compar_f compar, void *arg) {
10001	void *ctx;
10002	COMMON_INTERCEPTOR_ENTER(ctx, qsort_r, base, nmemb, size, compar, arg);
10003	// Run the comparator over all array elements to detect any memory issues.
10004	if (nmemb > 1) {
10005	for (SIZE_T i = 0; i < nmemb - 1; ++i) {
10006	void *p = (void *)((char *)base + i * size);
10007	void *q = (void *)((char *)base + (i + 1) * size);
10008	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
10009	compar(p, q, arg);
10010	}
10011	}
10012	qsort_r_compar_params params = {size, compar, arg};
10013	REAL(qsort_r)(base, nmemb, size, wrapped_qsort_r_compar, &params);
10014	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, base, nmemb * size);
10015	}
10016	# define INIT_QSORT_R COMMON_INTERCEPT_FUNCTION(qsort_r)
10017	#else
10018	# define INIT_QSORT_R
10019	#endif
10020
10021	#if SANITIZER_INTERCEPT_QSORT && SANITIZER_INTERCEPT_QSORT_R
10022	INTERCEPTOR(void, qsort, void *base, SIZE_T nmemb, SIZE_T size,
10023	qsort_r_compar_f compar) {
10024	void *ctx;
10025	COMMON_INTERCEPTOR_ENTER(ctx, qsort, base, nmemb, size, compar);
10026	WRAP(qsort_r)(base, nmemb, size, compar, nullptr);
10027	}
10028	# define INIT_QSORT COMMON_INTERCEPT_FUNCTION(qsort)
10029	#elif SANITIZER_INTERCEPT_QSORT && !SANITIZER_INTERCEPT_QSORT_R
10030	// Glibc qsort uses a temporary buffer allocated either on stack or on heap.
10031	// Poisoned memory from there may get copied into the comparator arguments,
10032	// where it needs to be dealt with. But even that is not enough - the results of
10033	// the sort may be copied into the input/output array based on the results of
10034	// the comparator calls, but directly from the temp memory, bypassing the
10035	// unpoisoning done in wrapped_qsort_compar. We deal with this by, again,
10036	// unpoisoning the entire array after the sort is done.
10037	//
10038	// We can not check that the entire array is initialized at the beginning. IMHO,
10039	// it's fine for parts of the sorted objects to contain uninitialized memory,
10040	// ex. as padding in structs.
10041	typedef int (*qsort_compar_f)(const void *, const void *);
10042	static THREADLOCAL qsort_compar_f qsort_compar;
10043	static THREADLOCAL SIZE_T qsort_size;
10044	static int wrapped_qsort_compar(const void *a, const void *b) {
10045	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
10046	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, qsort_size);
10047	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, qsort_size);
10048	return qsort_compar(a, b);
10049	}
10050
10051	INTERCEPTOR(void, qsort, void *base, SIZE_T nmemb, SIZE_T size,
10052	qsort_compar_f compar) {
10053	void *ctx;
10054	COMMON_INTERCEPTOR_ENTER(ctx, qsort, base, nmemb, size, compar);
10055	// Run the comparator over all array elements to detect any memory issues.
10056	if (nmemb > 1) {
10057	for (SIZE_T i = 0; i < nmemb - 1; ++i) {
10058	void *p = (void *)((char *)base + i * size);
10059	void *q = (void *)((char *)base + (i + 1) * size);
10060	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
10061	compar(p, q);
10062	}
10063	}
10064	qsort_compar_f old_compar = qsort_compar;
10065	SIZE_T old_size = qsort_size;
10066	// Handle qsort() implementations that recurse using an
10067	// interposable function call:
10068	bool already_wrapped = compar == wrapped_qsort_compar;
10069	if (already_wrapped) {
10070	// This case should only happen if the qsort() implementation calls itself
10071	// using a preemptible function call (e.g. the FreeBSD libc version).
10072	// Check that the size and comparator arguments are as expected.
10073	CHECK_NE(compar, qsort_compar);
10074	CHECK_EQ(qsort_size, size);
10075	} else {
10076	qsort_compar = compar;
10077	qsort_size = size;
10078	}
10079	REAL(qsort)(base, nmemb, size, wrapped_qsort_compar);
10080	if (!already_wrapped) {
10081	qsort_compar = old_compar;
10082	qsort_size = old_size;
10083	}
10084	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, base, nmemb * size);
10085	}
10086	# define INIT_QSORT COMMON_INTERCEPT_FUNCTION(qsort)
10087	#else
10088	# define INIT_QSORT
10089	#endif
10090
10091	#if SANITIZER_INTERCEPT_BSEARCH
10092	typedef int (*bsearch_compar_f)(const void *, const void *);
10093	struct bsearch_compar_params {
10094	const void *key;
10095	bsearch_compar_f compar;
10096	};
10097
10098	static int wrapped_bsearch_compar(const void *key, const void *b) {
10099	const bsearch_compar_params *params = (const bsearch_compar_params *)key;
10100	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
10101	return params->compar(params->key, b);
10102	}
10103
10104	INTERCEPTOR(void *, bsearch, const void *key, const void *base, SIZE_T nmemb,
10105	SIZE_T size, bsearch_compar_f compar) {
10106	void *ctx;
10107	COMMON_INTERCEPTOR_ENTER(ctx, bsearch, key, base, nmemb, size, compar);
10108	bsearch_compar_params params = {key, compar};
10109	return REAL(bsearch)(&params, base, nmemb, size, wrapped_bsearch_compar);
10110	}
10111	# define INIT_BSEARCH COMMON_INTERCEPT_FUNCTION(bsearch)
10112	#else
10113	# define INIT_BSEARCH
10114	#endif
10115
10116	#if SANITIZER_INTERCEPT_SIGALTSTACK
10117	INTERCEPTOR(int, sigaltstack, void *ss, void *oss) {
10118	void *ctx;
10119	COMMON_INTERCEPTOR_ENTER(ctx, sigaltstack, ss, oss);
10120	int r = REAL(sigaltstack)(ss, oss);
10121	if (r == 0 && oss != nullptr) {
10122	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oss, struct_stack_t_sz);
10123	}
10124	return r;
10125	}
10126	#define INIT_SIGALTSTACK COMMON_INTERCEPT_FUNCTION(sigaltstack)
10127	#else
10128	#define INIT_SIGALTSTACK
10129	#endif
10130
10131	#if SANITIZER_INTERCEPT_PROCCTL
10132	INTERCEPTOR(int, procctl, int idtype, u64 id, int cmd, uptr data) {
10133	void *ctx;
10134	COMMON_INTERCEPTOR_ENTER(ctx, procctl, idtype, id, cmd, data);
10135	static const int PROC_REAP_ACQUIRE = 2;
10136	static const int PROC_REAP_RELEASE = 3;
10137	static const int PROC_REAP_STATUS = 4;
10138	static const int PROC_REAP_GETPIDS = 5;
10139	static const int PROC_REAP_KILL = 6;
10140	if (cmd < PROC_REAP_ACQUIRE || cmd > PROC_REAP_KILL) {
10141	COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)data, sizeof(int));
10142	} else {
10143	// reap_acquire/reap_release bears no arguments.
10144	if (cmd > PROC_REAP_RELEASE) {
10145	unsigned int reapsz;
10146	switch (cmd) {
10147	case PROC_REAP_STATUS:
10148	reapsz = struct_procctl_reaper_status_sz;
10149	break;
10150	case PROC_REAP_GETPIDS:
10151	reapsz = struct_procctl_reaper_pids_sz;
10152	break;
10153	case PROC_REAP_KILL:
10154	reapsz = struct_procctl_reaper_kill_sz;
10155	break;
10156	}
10157	COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)data, reapsz);
10158	}
10159	}
10160	return REAL(procctl)(idtype, id, cmd, data);
10161	}
10162	#define INIT_PROCCTL COMMON_INTERCEPT_FUNCTION(procctl)
10163	#else
10164	#define INIT_PROCCTL
10165	#endif
10166
10167	#if SANITIZER_INTERCEPT_UNAME
10168	INTERCEPTOR(int, uname, struct utsname *utsname) {
10169	#if SANITIZER_LINUX
10170	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
10171	return internal_uname(utsname);
10172	#endif
10173	void *ctx;
10174	COMMON_INTERCEPTOR_ENTER(ctx, uname, utsname);
10175	int res = REAL(uname)(utsname);
10176	if (!res)
10177	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, utsname,
10178	__sanitizer::struct_utsname_sz);
10179	return res;
10180	}
10181	#define INIT_UNAME COMMON_INTERCEPT_FUNCTION(uname)
10182	#else
10183	#define INIT_UNAME
10184	#endif
10185
10186	#if SANITIZER_INTERCEPT___XUNAME
10187	// FreeBSD's <sys/utsname.h> define uname() as
10188	// static __inline int uname(struct utsname *name) {
10189	// return __xuname(SYS_NMLN, (void*)name);
10190	// }
10191	INTERCEPTOR(int, __xuname, int size, void *utsname) {
10192	void *ctx;
10193	COMMON_INTERCEPTOR_ENTER(ctx, __xuname, size, utsname);
10194	int res = REAL(__xuname)(size, utsname);
10195	if (!res)
10196	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, utsname,
10197	__sanitizer::struct_utsname_sz);
10198	return res;
10199	}
10200	#define INIT___XUNAME COMMON_INTERCEPT_FUNCTION(__xuname)
10201	#else
10202	#define INIT___XUNAME
10203	#endif
10204
10205	#if SANITIZER_INTERCEPT_ARGP_PARSE
10206	INTERCEPTOR(int, argp_parse, const struct argp *argp, int argc, char **argv,
10207	unsigned flags, int *arg_index, void *input) {
10208	void *ctx;
10209	COMMON_INTERCEPTOR_ENTER(ctx, argp_parse, argp, argc, argv, flags, arg_index,
10210	input);
10211	for (int i = 0; i < argc; i++)
10212	COMMON_INTERCEPTOR_READ_RANGE(ctx, argv[i], internal_strlen(argv[i]) + 1);
10213	int res = REAL(argp_parse)(argp, argc, argv, flags, arg_index, input);
10214	if (!res && arg_index)
10215	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, arg_index, sizeof(int));
10216	return res;
10217	}
10218
10219	#define INIT_ARGP_PARSE COMMON_INTERCEPT_FUNCTION(argp_parse);
10220	#else
10221	#define INIT_ARGP_PARSE
10222	#endif
10223
10224	#if SANITIZER_INTERCEPT_CPUSET_GETAFFINITY
10225	INTERCEPTOR(int, cpuset_getaffinity, int level, int which, __int64_t id, SIZE_T cpusetsize, __sanitizer_cpuset_t *mask) {
10226	void *ctx;
10227	COMMON_INTERCEPTOR_ENTER(ctx, cpuset_getaffinity, level, which, id, cpusetsize, mask);
10228	int res = REAL(cpuset_getaffinity)(level, which, id, cpusetsize, mask);
10229	if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize);
10230	return res;
10231	}
10232	#define INIT_CPUSET_GETAFFINITY COMMON_INTERCEPT_FUNCTION(cpuset_getaffinity);
10233	#else
10234	#define INIT_CPUSET_GETAFFINITY
10235	#endif
10236
10237	#if SANITIZER_INTERCEPT_PREADV2
10238	INTERCEPTOR(SSIZE_T, preadv2, int fd, __sanitizer_iovec *iov, int iovcnt,
10239	OFF_T offset, int flags) {
10240	void *ctx;
10241	COMMON_INTERCEPTOR_ENTER(ctx, preadv2, fd, iov, iovcnt, offset, flags);
10242	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
10243	SSIZE_T res = REAL(preadv2)(fd, iov, iovcnt, offset, flags);
10244	if (res > 0) write_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
10245	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
10246	return res;
10247	}
10248	#define INIT_PREADV2 COMMON_INTERCEPT_FUNCTION(preadv2)
10249	#else
10250	#define INIT_PREADV2
10251	#endif
10252
10253	#if SANITIZER_INTERCEPT_PWRITEV2
10254	INTERCEPTOR(SSIZE_T, pwritev2, int fd, __sanitizer_iovec *iov, int iovcnt,
10255	OFF_T offset, int flags) {
10256	void *ctx;
10257	COMMON_INTERCEPTOR_ENTER(ctx, pwritev2, fd, iov, iovcnt, offset, flags);
10258	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
10259	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
10260	SSIZE_T res = REAL(pwritev2)(fd, iov, iovcnt, offset, flags);
10261	if (res > 0) read_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
10262	return res;
10263	}
10264	#define INIT_PWRITEV2 COMMON_INTERCEPT_FUNCTION(pwritev2)
10265	#else
10266	#define INIT_PWRITEV2
10267	#endif
10268
10269	#if SANITIZER_INTERCEPT_FREADLINK
10270	INTERCEPTOR(SSIZE_T, freadlink, int fd, char *buf, SIZE_T bufsiz) {
10271	void *ctx;
10272	COMMON_INTERCEPTOR_ENTER(ctx, freadlink, fd, buf, bufsiz);
10273	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
10274	SSIZE_T res = REAL(freadlink)(fd, buf, bufsiz);
10275	if (res > 0)
10276	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res);
10277	if (res >= 0 && fd > 0)
10278	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
10279	return res;
10280	}
10281	# define INIT_FREADLINK COMMON_INTERCEPT_FUNCTION(freadlink)
10282	#else
10283	# define INIT_FREADLINK
10284	#endif
10285
10286	#if SANITIZER_INTERCEPT_GETSERVENT_R || SANITIZER_INTERCEPT_GETSERVBYNAME_R || \
10287	SANITIZER_INTERCEPT_GETSERVBYPORT_R
10288
10289	UNUSED static void HandleGetServentReentrantResult(
10290	void *ctx, int res, struct __sanitizer_servent *result_buf, char *buf,
10291	SIZE_T buflen, struct __sanitizer_servent **result) {
10292	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (char *)result, sizeof(void *));
10293	if (res)
10294	return;
10295	if (*result) {
10296	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (char *)*result,
10297	sizeof(__sanitizer_servent));
10298	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
10299	}
10300	}
10301
10302	#endif
10303
10304	#if SANITIZER_INTERCEPT_GETSERVENT_R
10305	INTERCEPTOR(int, getservent_r, struct __sanitizer_servent *result_buf,
10306	char *buf, SIZE_T buflen, struct __sanitizer_servent **result) {
10307	void *ctx;
10308	COMMON_INTERCEPTOR_ENTER(ctx, getservent_r, result_buf, buf, buflen, result);
10309	int res = REAL(getservent_r)(result_buf, buf, buflen, result);
10310	HandleGetServentReentrantResult(ctx, res, result_buf, buf, buflen, result);
10311	return res;
10312	}
10313	# define INIT_GETSERVENT_R COMMON_INTERCEPT_FUNCTION(getservent_r)
10314	#else
10315	# define INIT_GETSERVENT_R
10316	#endif
10317
10318	#if SANITIZER_INTERCEPT_GETSERVBYNAME_R
10319	INTERCEPTOR(int, getservbyname_r, const char *name, const char *proto,
10320	struct __sanitizer_servent *result_buf, char *buf, SIZE_T buflen,
10321	struct __sanitizer_servent **result) {
10322	void *ctx;
10323	COMMON_INTERCEPTOR_ENTER(ctx, getservbyname_r, name, proto, result_buf, buf,
10324	buflen, result);
10325	COMMON_INTERCEPTOR_READ_STRING(ctx, name, internal_strlen(name));
10326	int res = REAL(getservbyname_r)(name, proto, result_buf, buf, buflen, result);
10327	HandleGetServentReentrantResult(ctx, res, result_buf, buf, buflen, result);
10328	return res;
10329	}
10330	# define INIT_GETSERVBYNAME_R COMMON_INTERCEPT_FUNCTION(getservbyname_r)
10331	#else
10332	# define INIT_GETSERVBYNAME_R
10333	#endif
10334
10335	#if SANITIZER_INTERCEPT_GETSERVBYPORT_R
10336	INTERCEPTOR(int, getservbyport_r, int port, const char *proto,
10337	struct __sanitizer_servent *result_buf, char *buf, SIZE_T buflen,
10338	struct __sanitizer_servent **result) {
10339	void *ctx;
10340	COMMON_INTERCEPTOR_ENTER(ctx, getservbyport_r, port, proto, result_buf, buf,
10341	buflen, result);
10342	int res = REAL(getservbyport_r)(port, proto, result_buf, buf, buflen, result);
10343	HandleGetServentReentrantResult(ctx, res, result_buf, buf, buflen, result);
10344	return res;
10345	}
10346	# define INIT_GETSERVBYPORT_R COMMON_INTERCEPT_FUNCTION(getservbyport_r)
10347	#else
10348	# define INIT_GETSERVBYPORT_R
10349	#endif
10350
10351	#include "sanitizer_common_interceptors_netbsd_compat.inc"
10352
10353	namespace __sanitizer {
10354	void InitializeMemintrinsicInterceptors();
10355	} // namespace __sanitizer
10356
10357	static void InitializeCommonInterceptors() {
10358	#if SI_POSIX
10359	static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1];
10360	interceptor_metadata_map = new ((void *)&metadata_mem) MetadataHashMap();
10361	#endif
10362
10363	__sanitizer::InitializeMemintrinsicInterceptors();
10364
10365	INIT_MMAP;
10366	INIT_MMAP64;
10367	INIT_TEXTDOMAIN;
10368	INIT_STRLEN;
10369	INIT_STRNLEN;
10370	INIT_STRNDUP;
10371	INIT___STRNDUP;
10372	INIT_STRCMP;
10373	INIT_STRNCMP;
10374	INIT_STRCASECMP;
10375	INIT_STRNCASECMP;
10376	INIT_STRSTR;
10377	INIT_STRCASESTR;
10378	INIT_STRCHR;
10379	INIT_STRCHRNUL;
10380	INIT_STRRCHR;
10381	INIT_STRSPN;
10382	INIT_STRTOK;
10383	INIT_STRPBRK;
10384	INIT_STRXFRM;
10385	INIT___STRXFRM_L;
10386	INIT_MEMCHR;
10387	INIT_MEMCMP;
10388	INIT_BCMP;
10389	INIT_MEMRCHR;
10390	INIT_MEMMEM;
10391	INIT_READ;
10392	INIT_FREAD;
10393	INIT_PREAD;
10394	INIT_PREAD64;
10395	INIT_READV;
10396	INIT_PREADV;
10397	INIT_PREADV64;
10398	INIT_WRITE;
10399	INIT_FWRITE;
10400	INIT_PWRITE;
10401	INIT_PWRITE64;
10402	INIT_WRITEV;
10403	INIT_PWRITEV;
10404	INIT_PWRITEV64;
10405	INIT_FGETS;
10406	INIT_FPUTS;
10407	INIT_PUTS;
10408	INIT_PRCTL;
10409	INIT_LOCALTIME_AND_FRIENDS;
10410	INIT_STRPTIME;
10411	INIT_SCANF;
10412	INIT_ISOC99_SCANF;
10413	INIT_PRINTF;
10414	INIT_PRINTF_L;
10415	INIT_ISOC99_PRINTF;
10416	INIT_SETPROCTITLE;
10417	INIT_FREXP;
10418	INIT_FREXPF;
10419	INIT_FREXPL;
10420	INIT_GETPWNAM_AND_FRIENDS;
10421	INIT_GETPWNAM_R_AND_FRIENDS;
10422	INIT_GETPWENT;
10423	INIT_FGETPWENT;
10424	INIT_GETPWENT_R;
10425	INIT_FGETPWENT_R;
10426	INIT_FGETGRENT_R;
10427	INIT_SETPWENT;
10428	INIT_CLOCK_GETTIME;
10429	INIT_CLOCK_GETCPUCLOCKID;
10430	INIT_TIMER_CREATE;
10431	INIT_GETITIMER;
10432	INIT_TIME;
10433	INIT_TIMESPEC_GET;
10434	INIT_GLOB;
10435	INIT_GLOB64;
10436	INIT___B64_TO;
10437	INIT_DN_COMP_EXPAND;
10438	INIT_POSIX_SPAWN;
10439	INIT_WAIT;
10440	INIT_WAIT4;
10441	INIT_INET;
10442	INIT_PTHREAD_GETSCHEDPARAM;
10443	INIT_GETADDRINFO;
10444	INIT_GETNAMEINFO;
10445	INIT_GETSOCKNAME;
10446	INIT_GETHOSTBYNAME;
10447	INIT_GETHOSTBYNAME2;
10448	INIT_GETHOSTBYNAME_R;
10449	INIT_GETHOSTBYNAME2_R;
10450	INIT_GETHOSTBYADDR_R;
10451	INIT_GETHOSTENT_R;
10452	INIT_GETSOCKOPT;
10453	INIT_ACCEPT;
10454	INIT_ACCEPT4;
10455	INIT_PACCEPT;
10456	INIT_MODF;
10457	INIT_RECVMSG;
10458	INIT_SENDMSG;
10459	INIT_RECVMMSG;
10460	INIT_SENDMMSG;
10461	INIT_SYSMSG;
10462	INIT_GETPEERNAME;
10463	INIT_IOCTL;
10464	INIT_INET_ATON;
10465	INIT_SYSINFO;
10466	INIT_READDIR;
10467	INIT_READDIR64;
10468	INIT_PTRACE;
10469	INIT_SETLOCALE;
10470	INIT_GETCWD;
10471	INIT_GET_CURRENT_DIR_NAME;
10472	INIT_STRTOIMAX;
10473	INIT_STRTOIMAX_C23;
10474	INIT_MBSTOWCS;
10475	INIT_MBSNRTOWCS;
10476	INIT_WCSTOMBS;
10477	INIT_WCSNRTOMBS;
10478	INIT_WCRTOMB;
10479	INIT_WCTOMB;
10480	INIT_TCGETATTR;
10481	INIT_REALPATH;
10482	INIT_CANONICALIZE_FILE_NAME;
10483	INIT_CONFSTR;
10484	INIT_SCHED_GETAFFINITY;
10485	INIT_SCHED_GETPARAM;
10486	INIT_STRERROR;
10487	INIT_STRERROR_R;
10488	INIT_XPG_STRERROR_R;
10489	INIT_SCANDIR;
10490	INIT_SCANDIR64;
10491	INIT_GETGROUPS;
10492	INIT_POLL;
10493	INIT_PPOLL;
10494	INIT_WORDEXP;
10495	INIT_SIGWAIT;
10496	INIT_SIGWAITINFO;
10497	INIT_SIGTIMEDWAIT;
10498	INIT_SIGSETOPS;
10499	INIT_SIGSET_LOGICOPS;
10500	INIT_SIGPENDING;
10501	INIT_SIGPROCMASK;
10502	INIT_PTHREAD_SIGMASK;
10503	INIT_BACKTRACE;
10504	INIT__EXIT;
10505	INIT___LIBC_THR_SETCANCELSTATE;
10506	INIT_GETMNTENT;
10507	INIT_GETMNTENT_R;
10508	INIT_STATFS;
10509	INIT_STATFS64;
10510	INIT_STATVFS;
10511	INIT_STATVFS64;
10512	INIT_INITGROUPS;
10513	INIT_ETHER_NTOA_ATON;
10514	INIT_ETHER_HOST;
10515	INIT_ETHER_R;
10516	INIT_SHMCTL;
10517	INIT_RANDOM_R;
10518	INIT_PTHREAD_ATTR_GET;
10519	INIT_PTHREAD_ATTR_GET_SCHED;
10520	INIT_PTHREAD_ATTR_GETINHERITSCHED;
10521	INIT_PTHREAD_ATTR_GETAFFINITY_NP;
10522	INIT_PTHREAD_GETAFFINITY_NP;
10523	INIT_PTHREAD_MUTEXATTR_GETPSHARED;
10524	INIT_PTHREAD_MUTEXATTR_GETTYPE;
10525	INIT_PTHREAD_MUTEXATTR_GETPROTOCOL;
10526	INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING;
10527	INIT_PTHREAD_MUTEXATTR_GETROBUST;
10528	INIT_PTHREAD_MUTEXATTR_GETROBUST_NP;
10529	INIT_PTHREAD_RWLOCKATTR_GETPSHARED;
10530	INIT_PTHREAD_RWLOCKATTR_GETKIND_NP;
10531	INIT_PTHREAD_CONDATTR_GETPSHARED;
10532	INIT_PTHREAD_CONDATTR_GETCLOCK;
10533	INIT_PTHREAD_BARRIERATTR_GETPSHARED;
10534	INIT_TMPNAM;
10535	INIT_TMPNAM_R;
10536	INIT_PTSNAME;
10537	INIT_PTSNAME_R;
10538	INIT_TTYNAME;
10539	INIT_TTYNAME_R;
10540	INIT_TEMPNAM;
10541	INIT_PTHREAD_SETNAME_NP;
10542	INIT_PTHREAD_GETNAME_NP;
10543	INIT_SINCOS;
10544	INIT_REMQUO;
10545	INIT_REMQUOL;
10546	INIT_LGAMMA;
10547	INIT_LGAMMAL;
10548	INIT_LGAMMA_R;
10549	INIT_LGAMMAL_R;
10550	INIT_DRAND48_R;
10551	INIT_RAND_R;
10552	INIT_GETLINE;
10553	INIT_ICONV;
10554	INIT_TIMES;
10555	INIT_TLS_GET_ADDR;
10556	INIT_LISTXATTR;
10557	INIT_GETXATTR;
10558	INIT_GETRESID;
10559	INIT_GETIFADDRS;
10560	INIT_IF_INDEXTONAME;
10561	INIT_CAPGET;
10562	INIT_FTIME;
10563	INIT_XDR;
10564	INIT_XDRREC_LINUX;
10565	INIT_TSEARCH;
10566	INIT_LIBIO_INTERNALS;
10567	INIT_FOPEN;
10568	INIT_FOPEN64;
10569	INIT_FLOPEN;
10570	INIT_OPEN_MEMSTREAM;
10571	INIT_OBSTACK;
10572	INIT_FFLUSH;
10573	INIT_FCLOSE;
10574	INIT_DLOPEN_DLCLOSE;
10575	INIT_GETPASS;
10576	INIT_TIMERFD;
10577	INIT_MLOCKX;
10578	INIT_FOPENCOOKIE;
10579	INIT_SEM;
10580	INIT_PTHREAD_SETCANCEL;
10581	INIT_MINCORE;
10582	INIT_PROCESS_VM_READV;
10583	INIT_CTERMID;
10584	INIT_CTERMID_R;
10585	INIT_RECV_RECVFROM;
10586	INIT_SEND_SENDTO;
10587	INIT_STAT;
10588	INIT_STAT64;
10589	INIT_EVENTFD_READ_WRITE;
10590	INIT_LSTAT;
10591	INIT_LSTAT64;
10592	INIT___XSTAT;
10593	INIT___XSTAT64;
10594	INIT___LXSTAT;
10595	INIT___LXSTAT64;
10596	// FIXME: add other *stat interceptors.
10597	INIT_UTMP;
10598	INIT_UTMPX;
10599	INIT_GETLOADAVG;
10600	INIT_WCSLEN;
10601	INIT_WCSCAT;
10602	INIT_WCSDUP;
10603	INIT_WCSXFRM;
10604	INIT___WCSXFRM_L;
10605	INIT_ACCT;
10606	INIT_USER_FROM_UID;
10607	INIT_UID_FROM_USER;
10608	INIT_GROUP_FROM_GID;
10609	INIT_GID_FROM_GROUP;
10610	INIT_ACCESS;
10611	INIT_FACCESSAT;
10612	INIT_GETGROUPLIST;
10613	INIT_GETGROUPMEMBERSHIP;
10614	INIT_READLINK;
10615	INIT_READLINKAT;
10616	INIT_NAME_TO_HANDLE_AT;
10617	INIT_OPEN_BY_HANDLE_AT;
10618	INIT_STRLCPY;
10619	INIT_DEVNAME;
10620	INIT_DEVNAME_R;
10621	INIT_FGETLN;
10622	INIT_STRMODE;
10623	INIT_TTYENT;
10624	INIT_PROTOENT;
10625	INIT_PROTOENT_R;
10626	INIT_NETENT;
10627	INIT_GETMNTINFO;
10628	INIT_MI_VECTOR_HASH;
10629	INIT_SETVBUF;
10630	INIT_GETVFSSTAT;
10631	INIT_REGEX;
10632	INIT_REGEXSUB;
10633	INIT_FTS;
10634	INIT_SYSCTL;
10635	INIT_ASYSCTL;
10636	INIT_SYSCTLGETMIBINFO;
10637	INIT_NL_LANGINFO;
10638	INIT_MODCTL;
10639	INIT_STRTONUM;
10640	INIT_FPARSELN;
10641	INIT_STATVFS1;
10642	INIT_STRTOI;
10643	INIT_CAPSICUM;
10644	INIT_SHA1;
10645	INIT_MD4;
10646	INIT_RMD160;
10647	INIT_FSEEK;
10648	INIT_MD2;
10649	INIT_VIS;
10650	INIT_CDB;
10651	INIT_GETFSENT;
10652	INIT_ARC4RANDOM;
10653	INIT_POPEN;
10654	INIT_POPENVE;
10655	INIT_PCLOSE;
10656	INIT_FUNOPEN;
10657	INIT_FUNOPEN2;
10658	INIT_FDEVNAME;
10659	INIT_GETUSERSHELL;
10660	INIT_SL_INIT;
10661	INIT_GETRANDOM;
10662	INIT_GETENTROPY;
10663	INIT_QSORT;
10664	INIT_QSORT_R;
10665	INIT_BSEARCH;
10666	INIT_SIGALTSTACK;
10667	INIT_PROCCTL
10668	INIT_UNAME;
10669	INIT___XUNAME;
10670	INIT_ARGP_PARSE;
10671	INIT_CPUSET_GETAFFINITY;
10672	INIT_PREADV2;
10673	INIT_PWRITEV2;
10674	INIT_FREADLINK;
10675
10676	INIT___PRINTF_CHK;
10677	INIT_GETSERVENT_R;
10678	INIT_GETSERVBYNAME_R;
10679	INIT_GETSERVBYPORT_R;
10680	}
10681