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_symbolizer.h"
45	#include "sanitizer_tls_get_addr.h"
46
47	#if SANITIZER_INTERCEPTOR_HOOKS
48	#define CALL_WEAK_INTERCEPTOR_HOOK(f, ...) f(__VA_ARGS__);
49	#define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...) \
50	SANITIZER_INTERFACE_WEAK_DEF(void, f, __VA_ARGS__) {}
51	#else
52	#define DECLARE_WEAK_INTERCEPTOR_HOOK(f, ...)
53	#define CALL_WEAK_INTERCEPTOR_HOOK(f, ...)
54
55	#endif // SANITIZER_INTERCEPTOR_HOOKS
56
57	#if SANITIZER_WINDOWS && !defined(va_copy)
58	#define va_copy(dst, src) ((dst) = (src))
59	#endif // _WIN32
60
61	#if SANITIZER_FREEBSD
62	#define pthread_setname_np pthread_set_name_np
63	#define inet_aton __inet_aton
64	#define inet_pton __inet_pton
65	#define iconv __bsd_iconv
66	#endif
67
68	#if SANITIZER_NETBSD
69	#define clock_getres __clock_getres50
70	#define clock_gettime __clock_gettime50
71	#define clock_settime __clock_settime50
72	#define ctime __ctime50
73	#define ctime_r __ctime_r50
74	#define devname __devname50
75	#define fgetpos __fgetpos50
76	#define fsetpos __fsetpos50
77	#define fstatvfs __fstatvfs90
78	#define fstatvfs1 __fstatvfs190
79	#define fts_children __fts_children60
80	#define fts_close __fts_close60
81	#define fts_open __fts_open60
82	#define fts_read __fts_read60
83	#define fts_set __fts_set60
84	#define getitimer __getitimer50
85	#define getmntinfo __getmntinfo90
86	#define getpwent __getpwent50
87	#define getpwnam __getpwnam50
88	#define getpwnam_r __getpwnam_r50
89	#define getpwuid __getpwuid50
90	#define getpwuid_r __getpwuid_r50
91	#define getutent __getutent50
92	#define getutxent __getutxent50
93	#define getutxid __getutxid50
94	#define getutxline __getutxline50
95	#define getvfsstat __getvfsstat90
96	#define pututxline __pututxline50
97	#define glob __glob30
98	#define gmtime __gmtime50
99	#define gmtime_r __gmtime_r50
100	#define localtime __locatime50
101	#define localtime_r __localtime_r50
102	#define mktime __mktime50
103	#define lstat __lstat50
104	#define opendir __opendir30
105	#define readdir __readdir30
106	#define readdir_r __readdir_r30
107	#define scandir __scandir30
108	#define setitimer __setitimer50
109	#define setlocale __setlocale50
110	#define shmctl __shmctl50
111	#define sigaltstack __sigaltstack14
112	#define sigemptyset __sigemptyset14
113	#define sigfillset __sigfillset14
114	#define sigpending __sigpending14
115	#define sigprocmask __sigprocmask14
116	#define sigtimedwait __sigtimedwait50
117	#define stat __stat50
118	#define statvfs __statvfs90
119	#define statvfs1 __statvfs190
120	#define time __time50
121	#define times __times13
122	#define unvis __unvis50
123	#define wait3 __wait350
124	#define wait4 __wait450
125	extern const unsigned short *_ctype_tab_;
126	extern const short *_toupper_tab_;
127	extern const short *_tolower_tab_;
128	#endif
129
130	#if SANITIZER_MUSL && \
131	(defined(__i386__) || defined(__arm__) || SANITIZER_MIPS32 || SANITIZER_PPC32)
132	// musl 1.2.0 on existing 32-bit architectures uses new symbol names for the
133	// time-related functions that take 64-bit time_t values. See
134	// https://musl.libc.org/time64.html
135	#define adjtime __adjtime64
136	#define adjtimex __adjtimex_time64
137	#define aio_suspend __aio_suspend_time64
138	#define clock_adjtime __clock_adjtime64
139	#define clock_getres __clock_getres_time64
140	#define clock_gettime __clock_gettime64
141	#define clock_nanosleep __clock_nanosleep_time64
142	#define clock_settime __clock_settime64
143	#define cnd_timedwait __cnd_timedwait_time64
144	#define ctime __ctime64
145	#define ctime_r __ctime64_r
146	#define difftime __difftime64
147	#define dlsym __dlsym_time64
148	#define fstatat __fstatat_time64
149	#define fstat __fstat_time64
150	#define ftime __ftime64
151	#define futimens __futimens_time64
152	#define futimesat __futimesat_time64
153	#define futimes __futimes_time64
154	#define getitimer __getitimer_time64
155	#define getrusage __getrusage_time64
156	#define gettimeofday __gettimeofday_time64
157	#define gmtime __gmtime64
158	#define gmtime_r __gmtime64_r
159	#define localtime __localtime64
160	#define localtime_r __localtime64_r
161	#define lstat __lstat_time64
162	#define lutimes __lutimes_time64
163	#define mktime __mktime64
164	#define mq_timedreceive __mq_timedreceive_time64
165	#define mq_timedsend __mq_timedsend_time64
166	#define mtx_timedlock __mtx_timedlock_time64
167	#define nanosleep __nanosleep_time64
168	#define ppoll __ppoll_time64
169	#define pselect __pselect_time64
170	#define pthread_cond_timedwait __pthread_cond_timedwait_time64
171	#define pthread_mutex_timedlock __pthread_mutex_timedlock_time64
172	#define pthread_rwlock_timedrdlock __pthread_rwlock_timedrdlock_time64
173	#define pthread_rwlock_timedwrlock __pthread_rwlock_timedwrlock_time64
174	#define pthread_timedjoin_np __pthread_timedjoin_np_time64
175	#define recvmmsg __recvmmsg_time64
176	#define sched_rr_get_interval __sched_rr_get_interval_time64
177	#define select __select_time64
178	#define semtimedop __semtimedop_time64
179	#define sem_timedwait __sem_timedwait_time64
180	#define setitimer __setitimer_time64
181	#define settimeofday __settimeofday_time64
182	#define sigtimedwait __sigtimedwait_time64
183	#define stat __stat_time64
184	#define stime __stime64
185	#define thrd_sleep __thrd_sleep_time64
186	#define timegm __timegm_time64
187	#define timerfd_gettime __timerfd_gettime64
188	#define timerfd_settime __timerfd_settime64
189	#define timer_gettime __timer_gettime64
190	#define timer_settime __timer_settime64
191	#define timespec_get __timespec_get_time64
192	#define time __time64
193	#define utimensat __utimensat_time64
194	#define utimes __utimes_time64
195	#define utime __utime64
196	#define wait3 __wait3_time64
197	#define wait4 __wait4_time64
198	#endif
199
200	#ifndef COMMON_INTERCEPTOR_INITIALIZE_RANGE
201	#define COMMON_INTERCEPTOR_INITIALIZE_RANGE(p, size) {}
202	#endif
203
204	#ifndef COMMON_INTERCEPTOR_UNPOISON_PARAM
205	#define COMMON_INTERCEPTOR_UNPOISON_PARAM(count) {}
206	#endif
207
208	#ifndef COMMON_INTERCEPTOR_FD_ACCESS
209	#define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) {}
210	#endif
211
212	#ifndef COMMON_INTERCEPTOR_HANDLE_RECVMSG
213	#define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) ((void)(msg))
214	#endif
215
216	#ifndef COMMON_INTERCEPTOR_FILE_OPEN
217	#define COMMON_INTERCEPTOR_FILE_OPEN(ctx, file, path) {}
218	#endif
219
220	#ifndef COMMON_INTERCEPTOR_FILE_CLOSE
221	#define COMMON_INTERCEPTOR_FILE_CLOSE(ctx, file) {}
222	#endif
223
224	#ifndef COMMON_INTERCEPTOR_LIBRARY_LOADED
225	#define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, handle) {}
226	#endif
227
228	#ifndef COMMON_INTERCEPTOR_LIBRARY_UNLOADED
229	#define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() {}
230	#endif
231
232	#ifndef COMMON_INTERCEPTOR_ENTER_NOIGNORE
233	#define COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, ...) \
234	COMMON_INTERCEPTOR_ENTER(ctx, __VA_ARGS__)
235	#endif
236
237	#ifndef COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED
238	#define COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED (0)
239	#endif
240
241	#define COMMON_INTERCEPTOR_READ_STRING(ctx, s, n) \
242	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s), \
243	common_flags()->strict_string_checks ? (internal_strlen(s)) + 1 : (n) )
244
245	#ifndef COMMON_INTERCEPTOR_DLOPEN
246	#define COMMON_INTERCEPTOR_DLOPEN(filename, flag) \
247	({ CheckNoDeepBind(filename, flag); REAL(dlopen)(filename, flag); })
248	#endif
249
250	#ifndef COMMON_INTERCEPTOR_GET_TLS_RANGE
251	#define COMMON_INTERCEPTOR_GET_TLS_RANGE(begin, end) *begin = *end = 0;
252	#endif
253
254	#ifndef COMMON_INTERCEPTOR_ACQUIRE
255	#define COMMON_INTERCEPTOR_ACQUIRE(ctx, u) {}
256	#endif
257
258	#ifndef COMMON_INTERCEPTOR_RELEASE
259	#define COMMON_INTERCEPTOR_RELEASE(ctx, u) {}
260	#endif
261
262	#ifndef COMMON_INTERCEPTOR_USER_CALLBACK_START
263	#define COMMON_INTERCEPTOR_USER_CALLBACK_START() {}
264	#endif
265
266	#ifndef COMMON_INTERCEPTOR_USER_CALLBACK_END
267	#define COMMON_INTERCEPTOR_USER_CALLBACK_END() {}
268	#endif
269
270	#ifdef SANITIZER_NLDBL_VERSION
271	#define COMMON_INTERCEPT_FUNCTION_LDBL(fn) \
272	COMMON_INTERCEPT_FUNCTION_VER(fn, SANITIZER_NLDBL_VERSION)
273	#else
274	#define COMMON_INTERCEPT_FUNCTION_LDBL(fn) \
275	COMMON_INTERCEPT_FUNCTION(fn)
276	#endif
277
278	#if SANITIZER_GLIBC
279	// If we could not find the versioned symbol, fall back to an unversioned
280	// lookup. This is needed to work around a GLibc bug that causes dlsym
281	// with RTLD_NEXT to return the oldest versioned symbol.
282	// See https://sourceware.org/bugzilla/show_bug.cgi?id=14932.
283	// For certain symbols (e.g. regexec) we have to perform a versioned lookup,
284	// but that versioned symbol will only exist for architectures where the
285	// oldest Glibc version pre-dates support for that architecture.
286	// For example, regexec@GLIBC_2.3.4 exists on x86_64, but not RISC-V.
287	// See also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98920.
288	#define COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(fn, ver) \
289	COMMON_INTERCEPT_FUNCTION_VER_UNVERSIONED_FALLBACK(fn, ver)
290	#else
291	#define COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(fn, ver) \
292	COMMON_INTERCEPT_FUNCTION(fn)
293	#endif
294
295	#ifndef COMMON_INTERCEPTOR_MMAP_IMPL
296	#define COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap, addr, sz, prot, flags, fd, \
297	off) \
298	{ return REAL(mmap)(addr, sz, prot, flags, fd, off); }
299	#endif
300
301	#ifndef COMMON_INTERCEPTOR_MUNMAP_IMPL
302	#define COMMON_INTERCEPTOR_MUNMAP_IMPL(ctx, addr, sz) \
303	{ return REAL(munmap)(addr, sz); }
304	#endif
305
306	#ifndef COMMON_INTERCEPTOR_COPY_STRING
307	#define COMMON_INTERCEPTOR_COPY_STRING(ctx, to, from, size) {}
308	#endif
309
310	#ifndef COMMON_INTERCEPTOR_STRNDUP_IMPL
311	#define COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size) \
312	COMMON_INTERCEPTOR_ENTER(ctx, strndup, s, size); \
313	uptr copy_length = internal_strnlen(s, size); \
314	char *new_mem = (char *)WRAP(malloc)(copy_length + 1); \
315	if (common_flags()->intercept_strndup) { \
316	COMMON_INTERCEPTOR_READ_STRING(ctx, s, Min(size, copy_length + 1)); \
317	} \
318	if (new_mem) { \
319	COMMON_INTERCEPTOR_COPY_STRING(ctx, new_mem, s, copy_length); \
320	internal_memcpy(new_mem, s, copy_length); \
321	new_mem[copy_length] = '\0'; \
322	} \
323	return new_mem;
324	#endif
325
326	#ifndef COMMON_INTERCEPTOR_STRERROR
327	#define COMMON_INTERCEPTOR_STRERROR() {}
328	#endif
329
330	struct FileMetadata {
331	// For open_memstream().
332	char **addr;
333	SIZE_T *size;
334	};
335
336	struct CommonInterceptorMetadata {
337	enum {
338	CIMT_INVALID = 0,
339	CIMT_FILE
340	} type;
341	union {
342	FileMetadata file;
343	};
344	};
345
346	#if SI_POSIX
347	typedef AddrHashMap<CommonInterceptorMetadata, 31051> MetadataHashMap;
348
349	static MetadataHashMap *interceptor_metadata_map;
350
351	UNUSED static void SetInterceptorMetadata(__sanitizer_FILE *addr,
352	const FileMetadata &file) {
353	MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr);
354	CHECK(h.created());
355	h->type = CommonInterceptorMetadata::CIMT_FILE;
356	h->file = file;
357	}
358
359	UNUSED static const FileMetadata *GetInterceptorMetadata(
360	__sanitizer_FILE *addr) {
361	MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr,
362	/* remove */ false,
363	/* create */ false);
364	if (addr && h.exists()) {
365	CHECK(!h.created());
366	CHECK(h->type == CommonInterceptorMetadata::CIMT_FILE);
367	return &h->file;
368	} else {
369	return 0;
370	}
371	}
372
373	UNUSED static void DeleteInterceptorMetadata(void *addr) {
374	MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr, true);
375	CHECK(h.exists());
376	}
377	#endif // SI_POSIX
378
379	#if SANITIZER_INTERCEPT_STRLEN
380	INTERCEPTOR(SIZE_T, strlen, const char *s) {
381	// Sometimes strlen is called prior to InitializeCommonInterceptors,
382	// in which case the REAL(strlen) typically used in
383	// COMMON_INTERCEPTOR_ENTER will fail. We use internal_strlen here
384	// to handle that.
385	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
386	return internal_strlen(s);
387	void *ctx;
388	COMMON_INTERCEPTOR_ENTER(ctx, strlen, s);
389	SIZE_T result = REAL(strlen)(s);
390	if (common_flags()->intercept_strlen)
391	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, result + 1);
392	return result;
393	}
394	#define INIT_STRLEN COMMON_INTERCEPT_FUNCTION(strlen)
395	#else
396	#define INIT_STRLEN
397	#endif
398
399	#if SANITIZER_INTERCEPT_STRNLEN
400	INTERCEPTOR(SIZE_T, strnlen, const char *s, SIZE_T maxlen) {
401	void *ctx;
402	COMMON_INTERCEPTOR_ENTER(ctx, strnlen, s, maxlen);
403	SIZE_T length = REAL(strnlen)(s, maxlen);
404	if (common_flags()->intercept_strlen)
405	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, Min(length + 1, maxlen));
406	return length;
407	}
408	#define INIT_STRNLEN COMMON_INTERCEPT_FUNCTION(strnlen)
409	#else
410	#define INIT_STRNLEN
411	#endif
412
413	#if SANITIZER_INTERCEPT_STRNDUP
414	INTERCEPTOR(char*, strndup, const char *s, uptr size) {
415	void *ctx;
416	COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size);
417	}
418	#define INIT_STRNDUP COMMON_INTERCEPT_FUNCTION(strndup)
419	#else
420	#define INIT_STRNDUP
421	#endif // SANITIZER_INTERCEPT_STRNDUP
422
423	#if SANITIZER_INTERCEPT___STRNDUP
424	INTERCEPTOR(char*, __strndup, const char *s, uptr size) {
425	void *ctx;
426	COMMON_INTERCEPTOR_STRNDUP_IMPL(ctx, s, size);
427	}
428	#define INIT___STRNDUP COMMON_INTERCEPT_FUNCTION(__strndup)
429	#else
430	#define INIT___STRNDUP
431	#endif // SANITIZER_INTERCEPT___STRNDUP
432
433	#if SANITIZER_INTERCEPT_TEXTDOMAIN
434	INTERCEPTOR(char*, textdomain, const char *domainname) {
435	void *ctx;
436	COMMON_INTERCEPTOR_ENTER(ctx, textdomain, domainname);
437	if (domainname) COMMON_INTERCEPTOR_READ_STRING(ctx, domainname, 0);
438	char *domain = REAL(textdomain)(domainname);
439	if (domain) {
440	COMMON_INTERCEPTOR_INITIALIZE_RANGE(domain, internal_strlen(domain) + 1);
441	}
442	return domain;
443	}
444	#define INIT_TEXTDOMAIN COMMON_INTERCEPT_FUNCTION(textdomain)
445	#else
446	#define INIT_TEXTDOMAIN
447	#endif
448
449	#if SANITIZER_INTERCEPT_STRCMP || SANITIZER_INTERCEPT_MEMCMP
450	static inline int CharCmpX(unsigned char c1, unsigned char c2) {
451	return (c1 == c2) ? 0 : (c1 < c2) ? -1 : 1;
452	}
453	#endif
454
455	#if SANITIZER_INTERCEPT_STRCMP
456	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, uptr called_pc,
457	const char *s1, const char *s2, int result)
458
459	INTERCEPTOR(int, strcmp, const char *s1, const char *s2) {
460	void *ctx;
461	COMMON_INTERCEPTOR_ENTER(ctx, strcmp, s1, s2);
462	unsigned char c1, c2;
463	uptr i;
464	for (i = 0;; i++) {
465	c1 = (unsigned char)s1[i];
466	c2 = (unsigned char)s2[i];
467	if (c1 != c2 || c1 == '\0') break;
468	}
469	if (common_flags()->intercept_strcmp) {
470	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1);
471	COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1);
472	}
473	int result = CharCmpX(c1, c2);
474	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcmp, GET_CALLER_PC(), s1,
475	s2, result);
476	return result;
477	}
478
479	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, uptr called_pc,
480	const char *s1, const char *s2, uptr n,
481	int result)
482
483	INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr size) {
484	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
485	return internal_strncmp(s1, s2, n: size);
486	void *ctx;
487	COMMON_INTERCEPTOR_ENTER(ctx, strncmp, s1, s2, size);
488	unsigned char c1 = 0, c2 = 0;
489	uptr i;
490	for (i = 0; i < size; i++) {
491	c1 = (unsigned char)s1[i];
492	c2 = (unsigned char)s2[i];
493	if (c1 != c2 || c1 == '\0') break;
494	}
495	uptr i1 = i;
496	uptr i2 = i;
497	if (common_flags()->strict_string_checks) {
498	for (; i1 < size && s1[i1]; i1++) {}
499	for (; i2 < size && s2[i2]; i2++) {}
500	}
501	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s1), Min(i1 + 1, size));
502	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s2), Min(i2 + 1, size));
503	int result = CharCmpX(c1, c2);
504	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncmp, GET_CALLER_PC(), s1,
505	s2, size, result);
506	return result;
507	}
508
509	#define INIT_STRCMP COMMON_INTERCEPT_FUNCTION(strcmp)
510	#define INIT_STRNCMP COMMON_INTERCEPT_FUNCTION(strncmp)
511	#else
512	#define INIT_STRCMP
513	#define INIT_STRNCMP
514	#endif
515
516	#if SANITIZER_INTERCEPT_STRCASECMP
517	static inline int CharCaseCmp(unsigned char c1, unsigned char c2) {
518	int c1_low = ToLower(c: c1);
519	int c2_low = ToLower(c: c2);
520	return c1_low - c2_low;
521	}
522
523	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasecmp, uptr called_pc,
524	const char *s1, const char *s2, int result)
525
526	INTERCEPTOR(int, strcasecmp, const char *s1, const char *s2) {
527	void *ctx;
528	COMMON_INTERCEPTOR_ENTER(ctx, strcasecmp, s1, s2);
529	unsigned char c1 = 0, c2 = 0;
530	uptr i;
531	for (i = 0;; i++) {
532	c1 = (unsigned char)s1[i];
533	c2 = (unsigned char)s2[i];
534	if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break;
535	}
536	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, i + 1);
537	COMMON_INTERCEPTOR_READ_STRING(ctx, s2, i + 1);
538	int result = CharCaseCmp(c1, c2);
539	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasecmp, GET_CALLER_PC(),
540	s1, s2, result);
541	return result;
542	}
543
544	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncasecmp, uptr called_pc,
545	const char *s1, const char *s2, uptr size,
546	int result)
547
548	INTERCEPTOR(int, strncasecmp, const char *s1, const char *s2, SIZE_T size) {
549	void *ctx;
550	COMMON_INTERCEPTOR_ENTER(ctx, strncasecmp, s1, s2, size);
551	unsigned char c1 = 0, c2 = 0;
552	uptr i;
553	for (i = 0; i < size; i++) {
554	c1 = (unsigned char)s1[i];
555	c2 = (unsigned char)s2[i];
556	if (CharCaseCmp(c1, c2) != 0 || c1 == '\0') break;
557	}
558	uptr i1 = i;
559	uptr i2 = i;
560	if (common_flags()->strict_string_checks) {
561	for (; i1 < size && s1[i1]; i1++) {}
562	for (; i2 < size && s2[i2]; i2++) {}
563	}
564	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s1), Min(i1 + 1, size));
565	COMMON_INTERCEPTOR_READ_RANGE((ctx), (s2), Min(i2 + 1, size));
566	int result = CharCaseCmp(c1, c2);
567	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strncasecmp, GET_CALLER_PC(),
568	s1, s2, size, result);
569	return result;
570	}
571
572	#define INIT_STRCASECMP COMMON_INTERCEPT_FUNCTION(strcasecmp)
573	#define INIT_STRNCASECMP COMMON_INTERCEPT_FUNCTION(strncasecmp)
574	#else
575	#define INIT_STRCASECMP
576	#define INIT_STRNCASECMP
577	#endif
578
579	#if SANITIZER_INTERCEPT_STRSTR || SANITIZER_INTERCEPT_STRCASESTR
580	static inline void StrstrCheck(void *ctx, char *r, const char *s1,
581	const char *s2) {
582	uptr len1 = internal_strlen(s: s1);
583	uptr len2 = internal_strlen(s: s2);
584	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r ? r - s1 + len2 : len1 + 1);
585	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2 + 1);
586	}
587	#endif
588
589	#if SANITIZER_INTERCEPT_STRSTR
590
591	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strstr, uptr called_pc,
592	const char *s1, const char *s2, char *result)
593
594	INTERCEPTOR(char*, strstr, const char *s1, const char *s2) {
595	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
596	return internal_strstr(haystack: s1, needle: s2);
597	void *ctx;
598	COMMON_INTERCEPTOR_ENTER(ctx, strstr, s1, s2);
599	char *r = REAL(strstr)(s1, s2);
600	if (common_flags()->intercept_strstr)
601	StrstrCheck(ctx, r, s1, s2);
602	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strstr, GET_CALLER_PC(), s1,
603	s2, r);
604	return r;
605	}
606
607	#define INIT_STRSTR COMMON_INTERCEPT_FUNCTION(strstr);
608	#else
609	#define INIT_STRSTR
610	#endif
611
612	#if SANITIZER_INTERCEPT_STRCASESTR
613
614	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasestr, uptr called_pc,
615	const char *s1, const char *s2, char *result)
616
617	INTERCEPTOR(char*, strcasestr, const char *s1, const char *s2) {
618	void *ctx;
619	COMMON_INTERCEPTOR_ENTER(ctx, strcasestr, s1, s2);
620	char *r = REAL(strcasestr)(s1, s2);
621	if (common_flags()->intercept_strstr)
622	StrstrCheck(ctx, r, s1, s2);
623	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_strcasestr, GET_CALLER_PC(),
624	s1, s2, r);
625	return r;
626	}
627
628	#define INIT_STRCASESTR COMMON_INTERCEPT_FUNCTION(strcasestr);
629	#else
630	#define INIT_STRCASESTR
631	#endif
632
633	#if SANITIZER_INTERCEPT_STRTOK
634
635	INTERCEPTOR(char*, strtok, char *str, const char *delimiters) {
636	void *ctx;
637	COMMON_INTERCEPTOR_ENTER(ctx, strtok, str, delimiters);
638	if (!common_flags()->intercept_strtok) {
639	return REAL(strtok)(str, delimiters);
640	}
641	if (common_flags()->strict_string_checks) {
642	// If strict_string_checks is enabled, we check the whole first argument
643	// string on the first call (strtok saves this string in a static buffer
644	// for subsequent calls). We do not need to check strtok's result.
645	// As the delimiters can change, we check them every call.
646	if (str != nullptr) {
647	COMMON_INTERCEPTOR_READ_RANGE(ctx, str, internal_strlen(str) + 1);
648	}
649	COMMON_INTERCEPTOR_READ_RANGE(ctx, delimiters,
650	internal_strlen(delimiters) + 1);
651	return REAL(strtok)(str, delimiters);
652	} else {
653	// However, when strict_string_checks is disabled we cannot check the
654	// whole string on the first call. Instead, we check the result string
655	// which is guaranteed to be a NULL-terminated substring of the first
656	// argument. We also conservatively check one character of str and the
657	// delimiters.
658	if (str != nullptr) {
659	COMMON_INTERCEPTOR_READ_STRING(ctx, str, 1);
660	}
661	COMMON_INTERCEPTOR_READ_RANGE(ctx, delimiters, 1);
662	char *result = REAL(strtok)(str, delimiters);
663	if (result != nullptr) {
664	COMMON_INTERCEPTOR_READ_RANGE(ctx, result, internal_strlen(result) + 1);
665	} else if (str != nullptr) {
666	// No delimiter were found, it's safe to assume that the entire str was
667	// scanned.
668	COMMON_INTERCEPTOR_READ_RANGE(ctx, str, internal_strlen(str) + 1);
669	}
670	return result;
671	}
672	}
673
674	#define INIT_STRTOK COMMON_INTERCEPT_FUNCTION(strtok)
675	#else
676	#define INIT_STRTOK
677	#endif
678
679	#if SANITIZER_INTERCEPT_MEMMEM
680	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memmem, uptr called_pc,
681	const void *s1, SIZE_T len1, const void *s2,
682	SIZE_T len2, void *result)
683
684	INTERCEPTOR(void*, memmem, const void *s1, SIZE_T len1, const void *s2,
685	SIZE_T len2) {
686	void *ctx;
687	COMMON_INTERCEPTOR_ENTER(ctx, memmem, s1, len1, s2, len2);
688	void *r = REAL(memmem)(s1, len1, s2, len2);
689	if (common_flags()->intercept_memmem) {
690	COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, len1);
691	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, len2);
692	}
693	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memmem, GET_CALLER_PC(),
694	s1, len1, s2, len2, r);
695	return r;
696	}
697
698	#define INIT_MEMMEM COMMON_INTERCEPT_FUNCTION(memmem);
699	#else
700	#define INIT_MEMMEM
701	#endif // SANITIZER_INTERCEPT_MEMMEM
702
703	#if SANITIZER_INTERCEPT_STRCHR
704	INTERCEPTOR(char*, strchr, const char *s, int c) {
705	void *ctx;
706	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
707	return internal_strchr(s, c);
708	COMMON_INTERCEPTOR_ENTER(ctx, strchr, s, c);
709	char *result = REAL(strchr)(s, c);
710	if (common_flags()->intercept_strchr) {
711	// Keep strlen as macro argument, as macro may ignore it.
712	COMMON_INTERCEPTOR_READ_STRING(ctx, s,
713	(result ? result - s : internal_strlen(s)) + 1);
714	}
715	return result;
716	}
717	#define INIT_STRCHR COMMON_INTERCEPT_FUNCTION(strchr)
718	#else
719	#define INIT_STRCHR
720	#endif
721
722	#if SANITIZER_INTERCEPT_STRCHRNUL
723	INTERCEPTOR(char*, strchrnul, const char *s, int c) {
724	void *ctx;
725	COMMON_INTERCEPTOR_ENTER(ctx, strchrnul, s, c);
726	char *result = REAL(strchrnul)(s, c);
727	uptr len = result - s + 1;
728	if (common_flags()->intercept_strchr)
729	COMMON_INTERCEPTOR_READ_STRING(ctx, s, len);
730	return result;
731	}
732	#define INIT_STRCHRNUL COMMON_INTERCEPT_FUNCTION(strchrnul)
733	#else
734	#define INIT_STRCHRNUL
735	#endif
736
737	#if SANITIZER_INTERCEPT_STRRCHR
738	INTERCEPTOR(char*, strrchr, const char *s, int c) {
739	void *ctx;
740	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
741	return internal_strrchr(s, c);
742	COMMON_INTERCEPTOR_ENTER(ctx, strrchr, s, c);
743	if (common_flags()->intercept_strchr)
744	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
745	return REAL(strrchr)(s, c);
746	}
747	#define INIT_STRRCHR COMMON_INTERCEPT_FUNCTION(strrchr)
748	#else
749	#define INIT_STRRCHR
750	#endif
751
752	#if SANITIZER_INTERCEPT_STRSPN
753	INTERCEPTOR(SIZE_T, strspn, const char *s1, const char *s2) {
754	void *ctx;
755	COMMON_INTERCEPTOR_ENTER(ctx, strspn, s1, s2);
756	SIZE_T r = REAL(strspn)(s1, s2);
757	if (common_flags()->intercept_strspn) {
758	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, internal_strlen(s2) + 1);
759	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1);
760	}
761	return r;
762	}
763
764	INTERCEPTOR(SIZE_T, strcspn, const char *s1, const char *s2) {
765	void *ctx;
766	COMMON_INTERCEPTOR_ENTER(ctx, strcspn, s1, s2);
767	SIZE_T r = REAL(strcspn)(s1, s2);
768	if (common_flags()->intercept_strspn) {
769	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, internal_strlen(s2) + 1);
770	COMMON_INTERCEPTOR_READ_STRING(ctx, s1, r + 1);
771	}
772	return r;
773	}
774
775	#define INIT_STRSPN \
776	COMMON_INTERCEPT_FUNCTION(strspn); \
777	COMMON_INTERCEPT_FUNCTION(strcspn);
778	#else
779	#define INIT_STRSPN
780	#endif
781
782	#if SANITIZER_INTERCEPT_STRPBRK
783	INTERCEPTOR(char *, strpbrk, const char *s1, const char *s2) {
784	void *ctx;
785	COMMON_INTERCEPTOR_ENTER(ctx, strpbrk, s1, s2);
786	char *r = REAL(strpbrk)(s1, s2);
787	if (common_flags()->intercept_strpbrk) {
788	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, internal_strlen(s2) + 1);
789	COMMON_INTERCEPTOR_READ_STRING(ctx, s1,
790	r ? r - s1 + 1 : internal_strlen(s1) + 1);
791	}
792	return r;
793	}
794
795	#define INIT_STRPBRK COMMON_INTERCEPT_FUNCTION(strpbrk);
796	#else
797	#define INIT_STRPBRK
798	#endif
799
800	#if SANITIZER_INTERCEPT_MEMCMP
801	DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, uptr called_pc,
802	const void *s1, const void *s2, uptr n,
803	int result)
804
805	// Common code for `memcmp` and `bcmp`.
806	int MemcmpInterceptorCommon(void *ctx,
807	int (*real_fn)(const void *, const void *, uptr),
808	const void *a1, const void *a2, uptr size) {
809	if (common_flags()->intercept_memcmp) {
810	if (common_flags()->strict_memcmp) {
811	// Check the entire regions even if the first bytes of the buffers are
812	// different.
813	COMMON_INTERCEPTOR_READ_RANGE(ctx, a1, size);
814	COMMON_INTERCEPTOR_READ_RANGE(ctx, a2, size);
815	// Fallthrough to REAL(memcmp) below.
816	} else {
817	unsigned char c1 = 0, c2 = 0;
818	const unsigned char *s1 = (const unsigned char*)a1;
819	const unsigned char *s2 = (const unsigned char*)a2;
820	uptr i;
821	for (i = 0; i < size; i++) {
822	c1 = s1[i];
823	c2 = s2[i];
824	if (c1 != c2) break;
825	}
826	COMMON_INTERCEPTOR_READ_RANGE(ctx, s1, Min(i + 1, size));
827	COMMON_INTERCEPTOR_READ_RANGE(ctx, s2, Min(i + 1, size));
828	int r = CharCmpX(c1, c2);
829	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(),
830	a1, a2, size, r);
831	return r;
832	}
833	}
834	int result = real_fn(a1, a2, size);
835	CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(), a1,
836	a2, size, result);
837	return result;
838	}
839
840	INTERCEPTOR(int, memcmp, const void *a1, const void *a2, uptr size) {
841	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
842	return internal_memcmp(s1: a1, s2: a2, n: size);
843	void *ctx;
844	COMMON_INTERCEPTOR_ENTER(ctx, memcmp, a1, a2, size);
845	return MemcmpInterceptorCommon(ctx, REAL(memcmp), a1, a2, size);
846	}
847
848	#define INIT_MEMCMP COMMON_INTERCEPT_FUNCTION(memcmp)
849	#else
850	#define INIT_MEMCMP
851	#endif
852
853	#if SANITIZER_INTERCEPT_BCMP
854	INTERCEPTOR(int, bcmp, const void *a1, const void *a2, uptr size) {
855	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
856	return internal_memcmp(s1: a1, s2: a2, n: size);
857	void *ctx;
858	COMMON_INTERCEPTOR_ENTER(ctx, bcmp, a1, a2, size);
859	return MemcmpInterceptorCommon(ctx, REAL(bcmp), a1, a2, size);
860	}
861
862	#define INIT_BCMP COMMON_INTERCEPT_FUNCTION(bcmp)
863	#else
864	#define INIT_BCMP
865	#endif
866
867	#if SANITIZER_INTERCEPT_MEMCHR
868	INTERCEPTOR(void*, memchr, const void *s, int c, SIZE_T n) {
869	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
870	return internal_memchr(s, c, n);
871	void *ctx;
872	COMMON_INTERCEPTOR_ENTER(ctx, memchr, s, c, n);
873	#if SANITIZER_WINDOWS
874	void *res;
875	if (REAL(memchr)) {
876	res = REAL(memchr)(s, c, n);
877	} else {
878	res = internal_memchr(s, c, n);
879	}
880	#else
881	void *res = REAL(memchr)(s, c, n);
882	#endif
883	uptr len = res ? (char *)res - (const char *)s + 1 : n;
884	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, len);
885	return res;
886	}
887
888	#define INIT_MEMCHR COMMON_INTERCEPT_FUNCTION(memchr)
889	#else
890	#define INIT_MEMCHR
891	#endif
892
893	#if SANITIZER_INTERCEPT_MEMRCHR
894	INTERCEPTOR(void*, memrchr, const void *s, int c, SIZE_T n) {
895	void *ctx;
896	COMMON_INTERCEPTOR_ENTER(ctx, memrchr, s, c, n);
897	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, n);
898	return REAL(memrchr)(s, c, n);
899	}
900
901	#define INIT_MEMRCHR COMMON_INTERCEPT_FUNCTION(memrchr)
902	#else
903	#define INIT_MEMRCHR
904	#endif
905
906	#if SANITIZER_INTERCEPT_FREXP
907	INTERCEPTOR(double, frexp, double x, int *exp) {
908	void *ctx;
909	COMMON_INTERCEPTOR_ENTER(ctx, frexp, x, exp);
910	// Assuming frexp() always writes to |exp|.
911	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
912	double res = REAL(frexp)(x, exp);
913	COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp));
914	return res;
915	}
916
917	#define INIT_FREXP COMMON_INTERCEPT_FUNCTION(frexp);
918	#else
919	#define INIT_FREXP
920	#endif // SANITIZER_INTERCEPT_FREXP
921
922	#if SANITIZER_INTERCEPT_FREXPF_FREXPL
923	INTERCEPTOR(float, frexpf, float x, int *exp) {
924	void *ctx;
925	COMMON_INTERCEPTOR_ENTER(ctx, frexpf, x, exp);
926	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
927	float res = REAL(frexpf)(x, exp);
928	COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp));
929	return res;
930	}
931
932	INTERCEPTOR(long double, frexpl, long double x, int *exp) {
933	void *ctx;
934	COMMON_INTERCEPTOR_ENTER(ctx, frexpl, x, exp);
935	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, exp, sizeof(*exp));
936	long double res = REAL(frexpl)(x, exp);
937	COMMON_INTERCEPTOR_INITIALIZE_RANGE(exp, sizeof(*exp));
938	return res;
939	}
940
941	#define INIT_FREXPF_FREXPL \
942	COMMON_INTERCEPT_FUNCTION(frexpf); \
943	COMMON_INTERCEPT_FUNCTION_LDBL(frexpl)
944	#else
945	#define INIT_FREXPF_FREXPL
946	#endif // SANITIZER_INTERCEPT_FREXPF_FREXPL
947
948	#if SI_POSIX
949	static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec,
950	SIZE_T iovlen, SIZE_T maxlen) {
951	for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
952	SSIZE_T sz = Min(a: iovec[i].iov_len, b: maxlen);
953	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec[i].iov_base, sz);
954	maxlen -= sz;
955	}
956	}
957
958	static void read_iovec(void *ctx, struct __sanitizer_iovec *iovec,
959	SIZE_T iovlen, SIZE_T maxlen) {
960	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec) * iovlen);
961	for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
962	SSIZE_T sz = Min(a: iovec[i].iov_len, b: maxlen);
963	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec[i].iov_base, sz);
964	maxlen -= sz;
965	}
966	}
967	#endif
968
969	#if SANITIZER_INTERCEPT_READ
970	INTERCEPTOR(SSIZE_T, read, int fd, void *ptr, SIZE_T count) {
971	void *ctx;
972	COMMON_INTERCEPTOR_ENTER(ctx, read, fd, ptr, count);
973	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
974	// FIXME: under ASan the call below may write to freed memory and corrupt
975	// its metadata. See
976	// https://github.com/google/sanitizers/issues/321.
977	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(read)(fd, ptr, count);
978	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
979	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
980	return res;
981	}
982	#define INIT_READ COMMON_INTERCEPT_FUNCTION(read)
983	#else
984	#define INIT_READ
985	#endif
986
987	#if SANITIZER_INTERCEPT_FREAD
988	INTERCEPTOR(SIZE_T, fread, void *ptr, SIZE_T size, SIZE_T nmemb, void *file) {
989	// libc file streams can call user-supplied functions, see fopencookie.
990	void *ctx;
991	COMMON_INTERCEPTOR_ENTER(ctx, fread, ptr, size, nmemb, file);
992	// FIXME: under ASan the call below may write to freed memory and corrupt
993	// its metadata. See
994	// https://github.com/google/sanitizers/issues/321.
995	SIZE_T res = REAL(fread)(ptr, size, nmemb, file);
996	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res * size);
997	return res;
998	}
999	#define INIT_FREAD COMMON_INTERCEPT_FUNCTION(fread)
1000	#else
1001	#define INIT_FREAD
1002	#endif
1003
1004	#if SANITIZER_INTERCEPT_PREAD
1005	INTERCEPTOR(SSIZE_T, pread, int fd, void *ptr, SIZE_T count, OFF_T offset) {
1006	void *ctx;
1007	COMMON_INTERCEPTOR_ENTER(ctx, pread, fd, ptr, count, offset);
1008	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1009	// FIXME: under ASan the call below may write to freed memory and corrupt
1010	// its metadata. See
1011	// https://github.com/google/sanitizers/issues/321.
1012	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pread)(fd, ptr, count, offset);
1013	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
1014	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1015	return res;
1016	}
1017	#define INIT_PREAD COMMON_INTERCEPT_FUNCTION(pread)
1018	#else
1019	#define INIT_PREAD
1020	#endif
1021
1022	#if SANITIZER_INTERCEPT_PREAD64
1023	INTERCEPTOR(SSIZE_T, pread64, int fd, void *ptr, SIZE_T count, OFF64_T offset) {
1024	void *ctx;
1025	COMMON_INTERCEPTOR_ENTER(ctx, pread64, fd, ptr, count, offset);
1026	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1027	// FIXME: under ASan the call below may write to freed memory and corrupt
1028	// its metadata. See
1029	// https://github.com/google/sanitizers/issues/321.
1030	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pread64)(fd, ptr, count, offset);
1031	if (res > 0) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, res);
1032	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1033	return res;
1034	}
1035	#define INIT_PREAD64 COMMON_INTERCEPT_FUNCTION(pread64)
1036	#else
1037	#define INIT_PREAD64
1038	#endif
1039
1040	#if SANITIZER_INTERCEPT_READV
1041	INTERCEPTOR_WITH_SUFFIX(SSIZE_T, readv, int fd, __sanitizer_iovec *iov,
1042	int iovcnt) {
1043	void *ctx;
1044	COMMON_INTERCEPTOR_ENTER(ctx, readv, fd, iov, iovcnt);
1045	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1046	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(readv)(fd, iov, iovcnt);
1047	if (res > 0) write_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
1048	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1049	return res;
1050	}
1051	#define INIT_READV COMMON_INTERCEPT_FUNCTION(readv)
1052	#else
1053	#define INIT_READV
1054	#endif
1055
1056	#if SANITIZER_INTERCEPT_PREADV
1057	INTERCEPTOR(SSIZE_T, preadv, int fd, __sanitizer_iovec *iov, int iovcnt,
1058	OFF_T offset) {
1059	void *ctx;
1060	COMMON_INTERCEPTOR_ENTER(ctx, preadv, fd, iov, iovcnt, offset);
1061	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1062	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(preadv)(fd, iov, iovcnt, offset);
1063	if (res > 0) write_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
1064	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1065	return res;
1066	}
1067	#define INIT_PREADV COMMON_INTERCEPT_FUNCTION(preadv)
1068	#else
1069	#define INIT_PREADV
1070	#endif
1071
1072	#if SANITIZER_INTERCEPT_PREADV64
1073	INTERCEPTOR(SSIZE_T, preadv64, int fd, __sanitizer_iovec *iov, int iovcnt,
1074	OFF64_T offset) {
1075	void *ctx;
1076	COMMON_INTERCEPTOR_ENTER(ctx, preadv64, fd, iov, iovcnt, offset);
1077	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1078	SSIZE_T res =
1079	COMMON_INTERCEPTOR_BLOCK_REAL(preadv64)(fd, iov, iovcnt, offset);
1080	if (res > 0) write_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
1081	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
1082	return res;
1083	}
1084	#define INIT_PREADV64 COMMON_INTERCEPT_FUNCTION(preadv64)
1085	#else
1086	#define INIT_PREADV64
1087	#endif
1088
1089	#if SANITIZER_INTERCEPT_WRITE
1090	INTERCEPTOR(SSIZE_T, write, int fd, void *ptr, SIZE_T count) {
1091	void *ctx;
1092	COMMON_INTERCEPTOR_ENTER(ctx, write, fd, ptr, count);
1093	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1094	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1095	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(write)(fd, ptr, count);
1096	// FIXME: this check should be _before_ the call to
1097	// COMMON_INTERCEPTOR_BLOCK_REAL(write), not after
1098	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
1099	return res;
1100	}
1101	#define INIT_WRITE COMMON_INTERCEPT_FUNCTION(write)
1102	#else
1103	#define INIT_WRITE
1104	#endif
1105
1106	#if SANITIZER_INTERCEPT_FWRITE
1107	INTERCEPTOR(SIZE_T, fwrite, const void *p, uptr size, uptr nmemb, void *file) {
1108	// libc file streams can call user-supplied functions, see fopencookie.
1109	void *ctx;
1110	COMMON_INTERCEPTOR_ENTER(ctx, fwrite, p, size, nmemb, file);
1111	SIZE_T res = REAL(fwrite)(p, size, nmemb, file);
1112	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, p, res * size);
1113	return res;
1114	}
1115	#define INIT_FWRITE COMMON_INTERCEPT_FUNCTION(fwrite)
1116	#else
1117	#define INIT_FWRITE
1118	#endif
1119
1120	#if SANITIZER_INTERCEPT_PWRITE
1121	INTERCEPTOR(SSIZE_T, pwrite, int fd, void *ptr, SIZE_T count, OFF_T offset) {
1122	void *ctx;
1123	COMMON_INTERCEPTOR_ENTER(ctx, pwrite, fd, ptr, count, offset);
1124	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1125	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1126	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pwrite)(fd, ptr, count, offset);
1127	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
1128	return res;
1129	}
1130	#define INIT_PWRITE COMMON_INTERCEPT_FUNCTION(pwrite)
1131	#else
1132	#define INIT_PWRITE
1133	#endif
1134
1135	#if SANITIZER_INTERCEPT_PWRITE64
1136	INTERCEPTOR(SSIZE_T, pwrite64, int fd, void *ptr, OFF64_T count,
1137	OFF64_T offset) {
1138	void *ctx;
1139	COMMON_INTERCEPTOR_ENTER(ctx, pwrite64, fd, ptr, count, offset);
1140	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1141	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1142	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pwrite64)(fd, ptr, count, offset);
1143	if (res > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, res);
1144	return res;
1145	}
1146	#define INIT_PWRITE64 COMMON_INTERCEPT_FUNCTION(pwrite64)
1147	#else
1148	#define INIT_PWRITE64
1149	#endif
1150
1151	#if SANITIZER_INTERCEPT_WRITEV
1152	INTERCEPTOR_WITH_SUFFIX(SSIZE_T, writev, int fd, __sanitizer_iovec *iov,
1153	int iovcnt) {
1154	void *ctx;
1155	COMMON_INTERCEPTOR_ENTER(ctx, writev, fd, iov, iovcnt);
1156	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1157	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1158	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(writev)(fd, iov, iovcnt);
1159	if (res > 0) read_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
1160	return res;
1161	}
1162	#define INIT_WRITEV COMMON_INTERCEPT_FUNCTION(writev)
1163	#else
1164	#define INIT_WRITEV
1165	#endif
1166
1167	#if SANITIZER_INTERCEPT_PWRITEV
1168	INTERCEPTOR(SSIZE_T, pwritev, int fd, __sanitizer_iovec *iov, int iovcnt,
1169	OFF_T offset) {
1170	void *ctx;
1171	COMMON_INTERCEPTOR_ENTER(ctx, pwritev, fd, iov, iovcnt, offset);
1172	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1173	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1174	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(pwritev)(fd, iov, iovcnt, offset);
1175	if (res > 0) read_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
1176	return res;
1177	}
1178	#define INIT_PWRITEV COMMON_INTERCEPT_FUNCTION(pwritev)
1179	#else
1180	#define INIT_PWRITEV
1181	#endif
1182
1183	#if SANITIZER_INTERCEPT_PWRITEV64
1184	INTERCEPTOR(SSIZE_T, pwritev64, int fd, __sanitizer_iovec *iov, int iovcnt,
1185	OFF64_T offset) {
1186	void *ctx;
1187	COMMON_INTERCEPTOR_ENTER(ctx, pwritev64, fd, iov, iovcnt, offset);
1188	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
1189	if (fd >= 0) COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
1190	SSIZE_T res =
1191	COMMON_INTERCEPTOR_BLOCK_REAL(pwritev64)(fd, iov, iovcnt, offset);
1192	if (res > 0) read_iovec(ctx, iovec: iov, iovlen: iovcnt, maxlen: res);
1193	return res;
1194	}
1195	#define INIT_PWRITEV64 COMMON_INTERCEPT_FUNCTION(pwritev64)
1196	#else
1197	#define INIT_PWRITEV64
1198	#endif
1199
1200	#if SANITIZER_INTERCEPT_FGETS
1201	INTERCEPTOR(char *, fgets, char *s, SIZE_T size, void *file) {
1202	// libc file streams can call user-supplied functions, see fopencookie.
1203	void *ctx;
1204	COMMON_INTERCEPTOR_ENTER(ctx, fgets, s, size, file);
1205	// FIXME: under ASan the call below may write to freed memory and corrupt
1206	// its metadata. See
1207	// https://github.com/google/sanitizers/issues/321.
1208	char *res = REAL(fgets)(s, size, file);
1209	if (res)
1210	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, internal_strlen(s) + 1);
1211	return res;
1212	}
1213	#define INIT_FGETS COMMON_INTERCEPT_FUNCTION(fgets)
1214	#else
1215	#define INIT_FGETS
1216	#endif
1217
1218	#if SANITIZER_INTERCEPT_FPUTS
1219	INTERCEPTOR_WITH_SUFFIX(int, fputs, char *s, void *file) {
1220	// libc file streams can call user-supplied functions, see fopencookie.
1221	void *ctx;
1222	COMMON_INTERCEPTOR_ENTER(ctx, fputs, s, file);
1223	if (!SANITIZER_APPLE || s) { // `fputs(NULL, file)` is supported on Darwin.
1224	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
1225	}
1226	return REAL(fputs)(s, file);
1227	}
1228	#define INIT_FPUTS COMMON_INTERCEPT_FUNCTION(fputs)
1229	#else
1230	#define INIT_FPUTS
1231	#endif
1232
1233	#if SANITIZER_INTERCEPT_PUTS
1234	INTERCEPTOR(int, puts, char *s) {
1235	// libc file streams can call user-supplied functions, see fopencookie.
1236	void *ctx;
1237	COMMON_INTERCEPTOR_ENTER(ctx, puts, s);
1238	if (!SANITIZER_APPLE || s) { // `puts(NULL)` is supported on Darwin.
1239	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
1240	}
1241	return REAL(puts)(s);
1242	}
1243	#define INIT_PUTS COMMON_INTERCEPT_FUNCTION(puts)
1244	#else
1245	#define INIT_PUTS
1246	#endif
1247
1248	#if SANITIZER_INTERCEPT_PRCTL
1249	INTERCEPTOR(int, prctl, int option, unsigned long arg2, unsigned long arg3,
1250	unsigned long arg4, unsigned long arg5) {
1251	void *ctx;
1252	COMMON_INTERCEPTOR_ENTER(ctx, prctl, option, arg2, arg3, arg4, arg5);
1253	static const int PR_SET_NAME = 15;
1254	static const int PR_SET_VMA = 0x53564d41;
1255	static const int PR_SCHED_CORE = 62;
1256	static const int PR_SCHED_CORE_GET = 0;
1257	if (option == PR_SET_VMA && arg2 == 0UL) {
1258	char *name = (char *)arg5;
1259	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1260	}
1261	int res = REAL(prctl)(option, arg2, arg3, arg4, arg5);
1262	if (option == PR_SET_NAME) {
1263	char buff[16];
1264	internal_strncpy(dst: buff, src: (char *)arg2, n: 15);
1265	buff[15] = 0;
1266	COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, buff);
1267	} else if (res != -1 && option == PR_SCHED_CORE && arg2 == PR_SCHED_CORE_GET) {
1268	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (u64*)(arg5), sizeof(u64));
1269	}
1270	return res;
1271	}
1272	#define INIT_PRCTL COMMON_INTERCEPT_FUNCTION(prctl)
1273	#else
1274	#define INIT_PRCTL
1275	#endif // SANITIZER_INTERCEPT_PRCTL
1276
1277	#if SANITIZER_INTERCEPT_TIME
1278	INTERCEPTOR(unsigned long, time, unsigned long *t) {
1279	void *ctx;
1280	COMMON_INTERCEPTOR_ENTER(ctx, time, t);
1281	unsigned long local_t;
1282	unsigned long res = REAL(time)(&local_t);
1283	if (t && res != (unsigned long)-1) {
1284	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, t, sizeof(*t));
1285	*t = local_t;
1286	}
1287	return res;
1288	}
1289	#define INIT_TIME COMMON_INTERCEPT_FUNCTION(time);
1290	#else
1291	#define INIT_TIME
1292	#endif // SANITIZER_INTERCEPT_TIME
1293
1294	#if SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
1295	static void unpoison_tm(void *ctx, __sanitizer_tm *tm) {
1296	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm));
1297	#if !SANITIZER_SOLARIS
1298	if (tm->tm_zone) {
1299	// Can not use COMMON_INTERCEPTOR_WRITE_RANGE here, because tm->tm_zone
1300	// can point to shared memory and tsan would report a data race.
1301	COMMON_INTERCEPTOR_INITIALIZE_RANGE(tm->tm_zone,
1302	internal_strlen(tm->tm_zone) + 1);
1303	}
1304	#endif
1305	}
1306	INTERCEPTOR(__sanitizer_tm *, localtime, unsigned long *timep) {
1307	void *ctx;
1308	COMMON_INTERCEPTOR_ENTER(ctx, localtime, timep);
1309	__sanitizer_tm *res = REAL(localtime)(timep);
1310	if (res) {
1311	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1312	unpoison_tm(ctx, tm: res);
1313	}
1314	return res;
1315	}
1316	INTERCEPTOR(__sanitizer_tm *, localtime_r, unsigned long *timep, void *result) {
1317	void *ctx;
1318	COMMON_INTERCEPTOR_ENTER(ctx, localtime_r, timep, result);
1319	__sanitizer_tm *res = REAL(localtime_r)(timep, result);
1320	if (res) {
1321	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1322	unpoison_tm(ctx, tm: res);
1323	}
1324	return res;
1325	}
1326	INTERCEPTOR(__sanitizer_tm *, gmtime, unsigned long *timep) {
1327	void *ctx;
1328	COMMON_INTERCEPTOR_ENTER(ctx, gmtime, timep);
1329	__sanitizer_tm *res = REAL(gmtime)(timep);
1330	if (res) {
1331	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1332	unpoison_tm(ctx, tm: res);
1333	}
1334	return res;
1335	}
1336	INTERCEPTOR(__sanitizer_tm *, gmtime_r, unsigned long *timep, void *result) {
1337	void *ctx;
1338	COMMON_INTERCEPTOR_ENTER(ctx, gmtime_r, timep, result);
1339	__sanitizer_tm *res = REAL(gmtime_r)(timep, result);
1340	if (res) {
1341	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1342	unpoison_tm(ctx, tm: res);
1343	}
1344	return res;
1345	}
1346	INTERCEPTOR(char *, ctime, unsigned long *timep) {
1347	void *ctx;
1348	COMMON_INTERCEPTOR_ENTER(ctx, ctime, timep);
1349	// FIXME: under ASan the call below may write to freed memory and corrupt
1350	// its metadata. See
1351	// https://github.com/google/sanitizers/issues/321.
1352	char *res = REAL(ctime)(timep);
1353	if (res) {
1354	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1355	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1356	}
1357	return res;
1358	}
1359	INTERCEPTOR(char *, ctime_r, unsigned long *timep, char *result) {
1360	void *ctx;
1361	COMMON_INTERCEPTOR_ENTER(ctx, ctime_r, timep, result);
1362	// FIXME: under ASan the call below may write to freed memory and corrupt
1363	// its metadata. See
1364	// https://github.com/google/sanitizers/issues/321.
1365	char *res = REAL(ctime_r)(timep, result);
1366	if (res) {
1367	COMMON_INTERCEPTOR_READ_RANGE(ctx, timep, sizeof(*timep));
1368	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1369	}
1370	return res;
1371	}
1372	INTERCEPTOR(char *, asctime, __sanitizer_tm *tm) {
1373	void *ctx;
1374	COMMON_INTERCEPTOR_ENTER(ctx, asctime, tm);
1375	// FIXME: under ASan the call below may write to freed memory and corrupt
1376	// its metadata. See
1377	// https://github.com/google/sanitizers/issues/321.
1378	char *res = REAL(asctime)(tm);
1379	if (res) {
1380	COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm));
1381	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1382	}
1383	return res;
1384	}
1385	INTERCEPTOR(char *, asctime_r, __sanitizer_tm *tm, char *result) {
1386	void *ctx;
1387	COMMON_INTERCEPTOR_ENTER(ctx, asctime_r, tm, result);
1388	// FIXME: under ASan the call below may write to freed memory and corrupt
1389	// its metadata. See
1390	// https://github.com/google/sanitizers/issues/321.
1391	char *res = REAL(asctime_r)(tm, result);
1392	if (res) {
1393	COMMON_INTERCEPTOR_READ_RANGE(ctx, tm, sizeof(*tm));
1394	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
1395	}
1396	return res;
1397	}
1398	INTERCEPTOR(long, mktime, __sanitizer_tm *tm) {
1399	void *ctx;
1400	COMMON_INTERCEPTOR_ENTER(ctx, mktime, tm);
1401	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_sec, sizeof(tm->tm_sec));
1402	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_min, sizeof(tm->tm_min));
1403	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_hour, sizeof(tm->tm_hour));
1404	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mday, sizeof(tm->tm_mday));
1405	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_mon, sizeof(tm->tm_mon));
1406	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_year, sizeof(tm->tm_year));
1407	COMMON_INTERCEPTOR_READ_RANGE(ctx, &tm->tm_isdst, sizeof(tm->tm_isdst));
1408	long res = REAL(mktime)(tm);
1409	if (res != -1) unpoison_tm(ctx, tm);
1410	return res;
1411	}
1412	#define INIT_LOCALTIME_AND_FRIENDS \
1413	COMMON_INTERCEPT_FUNCTION(localtime); \
1414	COMMON_INTERCEPT_FUNCTION(localtime_r); \
1415	COMMON_INTERCEPT_FUNCTION(gmtime); \
1416	COMMON_INTERCEPT_FUNCTION(gmtime_r); \
1417	COMMON_INTERCEPT_FUNCTION(ctime); \
1418	COMMON_INTERCEPT_FUNCTION(ctime_r); \
1419	COMMON_INTERCEPT_FUNCTION(asctime); \
1420	COMMON_INTERCEPT_FUNCTION(asctime_r); \
1421	COMMON_INTERCEPT_FUNCTION(mktime);
1422	#else
1423	#define INIT_LOCALTIME_AND_FRIENDS
1424	#endif // SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
1425
1426	#if SANITIZER_INTERCEPT_STRPTIME
1427	INTERCEPTOR(char *, strptime, char *s, char *format, __sanitizer_tm *tm) {
1428	void *ctx;
1429	COMMON_INTERCEPTOR_ENTER(ctx, strptime, s, format, tm);
1430	if (format)
1431	COMMON_INTERCEPTOR_READ_RANGE(ctx, format, internal_strlen(format) + 1);
1432	// FIXME: under ASan the call below may write to freed memory and corrupt
1433	// its metadata. See
1434	// https://github.com/google/sanitizers/issues/321.
1435	char *res = REAL(strptime)(s, format, tm);
1436	COMMON_INTERCEPTOR_READ_STRING(ctx, s, res ? res - s : 0);
1437	if (res && tm) {
1438	// Do not call unpoison_tm here, because strptime does not, in fact,
1439	// initialize the entire struct tm. For example, tm_zone pointer is left
1440	// uninitialized.
1441	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tm, sizeof(*tm));
1442	}
1443	return res;
1444	}
1445	#define INIT_STRPTIME COMMON_INTERCEPT_FUNCTION(strptime);
1446	#else
1447	#define INIT_STRPTIME
1448	#endif
1449
1450	#if SANITIZER_INTERCEPT_SCANF || SANITIZER_INTERCEPT_PRINTF
1451	#include "sanitizer_common_interceptors_format.inc"
1452
1453	#define FORMAT_INTERCEPTOR_IMPL(name, vname, ...) \
1454	{ \
1455	void *ctx; \
1456	va_list ap; \
1457	va_start(ap, format); \
1458	COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__, ap); \
1459	int res = WRAP(vname)(__VA_ARGS__, ap); \
1460	va_end(ap); \
1461	return res; \
1462	}
1463
1464	#endif
1465
1466	#if SANITIZER_INTERCEPT_SCANF
1467
1468	#define VSCANF_INTERCEPTOR_IMPL(vname, allowGnuMalloc, ...) \
1469	{ \
1470	void *ctx; \
1471	COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \
1472	va_list aq; \
1473	va_copy(aq, ap); \
1474	int res = REAL(vname)(__VA_ARGS__); \
1475	if (res > 0) \
1476	scanf_common(ctx, res, allowGnuMalloc, format, aq); \
1477	va_end(aq); \
1478	return res; \
1479	}
1480
1481	INTERCEPTOR(int, vscanf, const char *format, va_list ap)
1482	VSCANF_INTERCEPTOR_IMPL(vscanf, true, format, ap)
1483
1484	INTERCEPTOR(int, vsscanf, const char *str, const char *format, va_list ap)
1485	VSCANF_INTERCEPTOR_IMPL(vsscanf, true, str, format, ap)
1486
1487	INTERCEPTOR(int, vfscanf, void *stream, const char *format, va_list ap)
1488	VSCANF_INTERCEPTOR_IMPL(vfscanf, true, stream, format, ap)
1489
1490	#if SANITIZER_INTERCEPT_ISOC99_SCANF
1491	INTERCEPTOR(int, __isoc99_vscanf, const char *format, va_list ap)
1492	VSCANF_INTERCEPTOR_IMPL(__isoc99_vscanf, false, format, ap)
1493
1494	INTERCEPTOR(int, __isoc99_vsscanf, const char *str, const char *format,
1495	va_list ap)
1496	VSCANF_INTERCEPTOR_IMPL(__isoc99_vsscanf, false, str, format, ap)
1497
1498	INTERCEPTOR(int, __isoc99_vfscanf, void *stream, const char *format, va_list ap)
1499	VSCANF_INTERCEPTOR_IMPL(__isoc99_vfscanf, false, stream, format, ap)
1500
1501	INTERCEPTOR(int, __isoc23_vscanf, const char *format, va_list ap)
1502	VSCANF_INTERCEPTOR_IMPL(__isoc23_vscanf, false, format, ap)
1503
1504	INTERCEPTOR(int, __isoc23_vsscanf, const char *str, const char *format,
1505	va_list ap)
1506	VSCANF_INTERCEPTOR_IMPL(__isoc23_vsscanf, false, str, format, ap)
1507
1508	INTERCEPTOR(int, __isoc23_vfscanf, void *stream, const char *format, va_list ap)
1509	VSCANF_INTERCEPTOR_IMPL(__isoc23_vfscanf, false, stream, format, ap)
1510	#endif // SANITIZER_INTERCEPT_ISOC99_SCANF
1511
1512	INTERCEPTOR(int, scanf, const char *format, ...)
1513	FORMAT_INTERCEPTOR_IMPL(scanf, vscanf, format)
1514
1515	INTERCEPTOR(int, fscanf, void *stream, const char *format, ...)
1516	FORMAT_INTERCEPTOR_IMPL(fscanf, vfscanf, stream, format)
1517
1518	INTERCEPTOR(int, sscanf, const char *str, const char *format, ...)
1519	FORMAT_INTERCEPTOR_IMPL(sscanf, vsscanf, str, format)
1520
1521	#if SANITIZER_INTERCEPT_ISOC99_SCANF
1522	INTERCEPTOR(int, __isoc99_scanf, const char *format, ...)
1523	FORMAT_INTERCEPTOR_IMPL(__isoc99_scanf, __isoc99_vscanf, format)
1524
1525	INTERCEPTOR(int, __isoc99_fscanf, void *stream, const char *format, ...)
1526	FORMAT_INTERCEPTOR_IMPL(__isoc99_fscanf, __isoc99_vfscanf, stream, format)
1527
1528	INTERCEPTOR(int, __isoc99_sscanf, const char *str, const char *format, ...)
1529	FORMAT_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf, str, format)
1530
1531	INTERCEPTOR(int, __isoc23_scanf, const char *format, ...)
1532	FORMAT_INTERCEPTOR_IMPL(__isoc23_scanf, __isoc23_vscanf, format)
1533
1534	INTERCEPTOR(int, __isoc23_fscanf, void *stream, const char *format, ...)
1535	FORMAT_INTERCEPTOR_IMPL(__isoc23_fscanf, __isoc23_vfscanf, stream, format)
1536
1537	INTERCEPTOR(int, __isoc23_sscanf, const char *str, const char *format, ...)
1538	FORMAT_INTERCEPTOR_IMPL(__isoc23_sscanf, __isoc23_vsscanf, str, format)
1539	#endif
1540
1541	#endif
1542
1543	#if SANITIZER_INTERCEPT_SCANF
1544	#define INIT_SCANF \
1545	COMMON_INTERCEPT_FUNCTION_LDBL(scanf); \
1546	COMMON_INTERCEPT_FUNCTION_LDBL(sscanf); \
1547	COMMON_INTERCEPT_FUNCTION_LDBL(fscanf); \
1548	COMMON_INTERCEPT_FUNCTION_LDBL(vscanf); \
1549	COMMON_INTERCEPT_FUNCTION_LDBL(vsscanf); \
1550	COMMON_INTERCEPT_FUNCTION_LDBL(vfscanf);
1551	#else
1552	#define INIT_SCANF
1553	#endif
1554
1555	#if SANITIZER_INTERCEPT_ISOC99_SCANF
1556	#define INIT_ISOC99_SCANF \
1557	COMMON_INTERCEPT_FUNCTION(__isoc99_scanf); \
1558	COMMON_INTERCEPT_FUNCTION(__isoc99_sscanf); \
1559	COMMON_INTERCEPT_FUNCTION(__isoc99_fscanf); \
1560	COMMON_INTERCEPT_FUNCTION(__isoc99_vscanf); \
1561	COMMON_INTERCEPT_FUNCTION(__isoc99_vsscanf); \
1562	COMMON_INTERCEPT_FUNCTION(__isoc99_vfscanf); \
1563	COMMON_INTERCEPT_FUNCTION(__isoc23_scanf); \
1564	COMMON_INTERCEPT_FUNCTION(__isoc23_sscanf); \
1565	COMMON_INTERCEPT_FUNCTION(__isoc23_fscanf); \
1566	COMMON_INTERCEPT_FUNCTION(__isoc23_vscanf); \
1567	COMMON_INTERCEPT_FUNCTION(__isoc23_vsscanf); \
1568	COMMON_INTERCEPT_FUNCTION(__isoc23_vfscanf);
1569	#else
1570	#define INIT_ISOC99_SCANF
1571	#endif
1572
1573	#if SANITIZER_INTERCEPT_PRINTF
1574
1575	#define VPRINTF_INTERCEPTOR_ENTER(vname, ...) \
1576	void *ctx; \
1577	COMMON_INTERCEPTOR_ENTER(ctx, vname, __VA_ARGS__); \
1578	va_list aq; \
1579	va_copy(aq, ap);
1580
1581	#define VPRINTF_INTERCEPTOR_RETURN() \
1582	va_end(aq);
1583
1584	#define VPRINTF_INTERCEPTOR_IMPL(vname, ...) \
1585	{ \
1586	VPRINTF_INTERCEPTOR_ENTER(vname, __VA_ARGS__); \
1587	if (common_flags()->check_printf) \
1588	printf_common(ctx, format, aq); \
1589	int res = REAL(vname)(__VA_ARGS__); \
1590	VPRINTF_INTERCEPTOR_RETURN(); \
1591	return res; \
1592	}
1593
1594	// FIXME: under ASan the REAL() call below may write to freed memory and
1595	// corrupt its metadata. See
1596	// https://github.com/google/sanitizers/issues/321.
1597	#define VSPRINTF_INTERCEPTOR_IMPL(vname, str, ...) \
1598	{ \
1599	VPRINTF_INTERCEPTOR_ENTER(vname, str, __VA_ARGS__) \
1600	if (common_flags()->check_printf) { \
1601	printf_common(ctx, format, aq); \
1602	} \
1603	int res = REAL(vname)(str, __VA_ARGS__); \
1604	if (res >= 0) { \
1605	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, res + 1); \
1606	} \
1607	VPRINTF_INTERCEPTOR_RETURN(); \
1608	return res; \
1609	}
1610
1611	// FIXME: under ASan the REAL() call below may write to freed memory and
1612	// corrupt its metadata. See
1613	// https://github.com/google/sanitizers/issues/321.
1614	#define VSNPRINTF_INTERCEPTOR_IMPL(vname, str, size, ...) \
1615	{ \
1616	VPRINTF_INTERCEPTOR_ENTER(vname, str, size, __VA_ARGS__) \
1617	if (common_flags()->check_printf) { \
1618	printf_common(ctx, format, aq); \
1619	} \
1620	int res = REAL(vname)(str, size, __VA_ARGS__); \
1621	if (res >= 0) { \
1622	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, Min(size, (SIZE_T)(res + 1))); \
1623	} \
1624	VPRINTF_INTERCEPTOR_RETURN(); \
1625	return res; \
1626	}
1627
1628	// FIXME: under ASan the REAL() call below may write to freed memory and
1629	// corrupt its metadata. See
1630	// https://github.com/google/sanitizers/issues/321.
1631	#define VASPRINTF_INTERCEPTOR_IMPL(vname, strp, ...) \
1632	{ \
1633	VPRINTF_INTERCEPTOR_ENTER(vname, strp, __VA_ARGS__) \
1634	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, strp, sizeof(char *)); \
1635	if (common_flags()->check_printf) { \
1636	printf_common(ctx, format, aq); \
1637	} \
1638	int res = REAL(vname)(strp, __VA_ARGS__); \
1639	if (res >= 0) { \
1640	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *strp, res + 1); \
1641	} \
1642	VPRINTF_INTERCEPTOR_RETURN(); \
1643	return res; \
1644	}
1645
1646	INTERCEPTOR(int, vprintf, const char *format, va_list ap)
1647	VPRINTF_INTERCEPTOR_IMPL(vprintf, format, ap)
1648
1649	INTERCEPTOR(int, vfprintf, __sanitizer_FILE *stream, const char *format,
1650	va_list ap)
1651	VPRINTF_INTERCEPTOR_IMPL(vfprintf, stream, format, ap)
1652
1653	INTERCEPTOR(int, vsnprintf, char *str, SIZE_T size, const char *format,
1654	va_list ap)
1655	VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap)
1656
1657	#if SANITIZER_INTERCEPT___PRINTF_CHK
1658	INTERCEPTOR(int, __vsnprintf_chk, char *str, SIZE_T size, int flag,
1659	SIZE_T size_to, const char *format, va_list ap)
1660	VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf, str, size, format, ap)
1661	#endif
1662
1663	#if SANITIZER_INTERCEPT_PRINTF_L
1664	INTERCEPTOR(int, vsnprintf_l, char *str, SIZE_T size, void *loc,
1665	const char *format, va_list ap)
1666	VSNPRINTF_INTERCEPTOR_IMPL(vsnprintf_l, str, size, loc, format, ap)
1667
1668	INTERCEPTOR(int, snprintf_l, char *str, SIZE_T size, void *loc,
1669	const char *format, ...)
1670	FORMAT_INTERCEPTOR_IMPL(snprintf_l, vsnprintf_l, str, size, loc, format)
1671	#endif // SANITIZER_INTERCEPT_PRINTF_L
1672
1673	INTERCEPTOR(int, vsprintf, char *str, const char *format, va_list ap)
1674	VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap)
1675
1676	#if SANITIZER_INTERCEPT___PRINTF_CHK
1677	INTERCEPTOR(int, __vsprintf_chk, char *str, int flag, SIZE_T size_to,
1678	const char *format, va_list ap)
1679	VSPRINTF_INTERCEPTOR_IMPL(vsprintf, str, format, ap)
1680	#endif
1681
1682	INTERCEPTOR(int, vasprintf, char **strp, const char *format, va_list ap)
1683	VASPRINTF_INTERCEPTOR_IMPL(vasprintf, strp, format, ap)
1684
1685	#if SANITIZER_INTERCEPT_ISOC99_PRINTF
1686	INTERCEPTOR(int, __isoc99_vprintf, const char *format, va_list ap)
1687	VPRINTF_INTERCEPTOR_IMPL(__isoc99_vprintf, format, ap)
1688
1689	INTERCEPTOR(int, __isoc99_vfprintf, __sanitizer_FILE *stream,
1690	const char *format, va_list ap)
1691	VPRINTF_INTERCEPTOR_IMPL(__isoc99_vfprintf, stream, format, ap)
1692
1693	INTERCEPTOR(int, __isoc99_vsnprintf, char *str, SIZE_T size, const char *format,
1694	va_list ap)
1695	VSNPRINTF_INTERCEPTOR_IMPL(__isoc99_vsnprintf, str, size, format, ap)
1696
1697	INTERCEPTOR(int, __isoc99_vsprintf, char *str, const char *format,
1698	va_list ap)
1699	VSPRINTF_INTERCEPTOR_IMPL(__isoc99_vsprintf, str, format,
1700	ap)
1701
1702	#endif // SANITIZER_INTERCEPT_ISOC99_PRINTF
1703
1704	INTERCEPTOR(int, printf, const char *format, ...)
1705	FORMAT_INTERCEPTOR_IMPL(printf, vprintf, format)
1706
1707	INTERCEPTOR(int, fprintf, __sanitizer_FILE *stream, const char *format, ...)
1708	FORMAT_INTERCEPTOR_IMPL(fprintf, vfprintf, stream, format)
1709
1710	#if SANITIZER_INTERCEPT___PRINTF_CHK
1711	INTERCEPTOR(int, __fprintf_chk, __sanitizer_FILE *stream, SIZE_T size,
1712	const char *format, ...)
1713	FORMAT_INTERCEPTOR_IMPL(__fprintf_chk, vfprintf, stream, format)
1714	#endif
1715
1716	INTERCEPTOR(int, sprintf, char *str, const char *format, ...)
1717	FORMAT_INTERCEPTOR_IMPL(sprintf, vsprintf, str, format)
1718
1719	#if SANITIZER_INTERCEPT___PRINTF_CHK
1720	INTERCEPTOR(int, __sprintf_chk, char *str, int flag, SIZE_T size_to,
1721	const char *format, ...)
1722	FORMAT_INTERCEPTOR_IMPL(__sprintf_chk, vsprintf, str, format)
1723	#endif
1724
1725	INTERCEPTOR(int, snprintf, char *str, SIZE_T size, const char *format, ...)
1726	FORMAT_INTERCEPTOR_IMPL(snprintf, vsnprintf, str, size, format)
1727
1728	#if SANITIZER_INTERCEPT___PRINTF_CHK
1729	INTERCEPTOR(int, __snprintf_chk, char *str, SIZE_T size, int flag,
1730	SIZE_T size_to, const char *format, ...)
1731	FORMAT_INTERCEPTOR_IMPL(__snprintf_chk, vsnprintf, str, size, format)
1732	#endif
1733
1734	INTERCEPTOR(int, asprintf, char **strp, const char *format, ...)
1735	FORMAT_INTERCEPTOR_IMPL(asprintf, vasprintf, strp, format)
1736
1737	#if SANITIZER_INTERCEPT_ISOC99_PRINTF
1738	INTERCEPTOR(int, __isoc99_printf, const char *format, ...)
1739	FORMAT_INTERCEPTOR_IMPL(__isoc99_printf, __isoc99_vprintf, format)
1740
1741	INTERCEPTOR(int, __isoc99_fprintf, __sanitizer_FILE *stream, const char *format,
1742	...)
1743	FORMAT_INTERCEPTOR_IMPL(__isoc99_fprintf, __isoc99_vfprintf, stream, format)
1744
1745	INTERCEPTOR(int, __isoc99_sprintf, char *str, const char *format, ...)
1746	FORMAT_INTERCEPTOR_IMPL(__isoc99_sprintf, __isoc99_vsprintf, str, format)
1747
1748	INTERCEPTOR(int, __isoc99_snprintf, char *str, SIZE_T size,
1749	const char *format, ...)
1750	FORMAT_INTERCEPTOR_IMPL(__isoc99_snprintf, __isoc99_vsnprintf, str, size,
1751	format)
1752
1753	#endif // SANITIZER_INTERCEPT_ISOC99_PRINTF
1754
1755	#endif // SANITIZER_INTERCEPT_PRINTF
1756
1757	#if SANITIZER_INTERCEPT_PRINTF
1758	#define INIT_PRINTF \
1759	COMMON_INTERCEPT_FUNCTION_LDBL(printf); \
1760	COMMON_INTERCEPT_FUNCTION_LDBL(sprintf); \
1761	COMMON_INTERCEPT_FUNCTION_LDBL(snprintf); \
1762	COMMON_INTERCEPT_FUNCTION_LDBL(asprintf); \
1763	COMMON_INTERCEPT_FUNCTION_LDBL(fprintf); \
1764	COMMON_INTERCEPT_FUNCTION_LDBL(vprintf); \
1765	COMMON_INTERCEPT_FUNCTION_LDBL(vsprintf); \
1766	COMMON_INTERCEPT_FUNCTION_LDBL(vsnprintf); \
1767	COMMON_INTERCEPT_FUNCTION_LDBL(vasprintf); \
1768	COMMON_INTERCEPT_FUNCTION_LDBL(vfprintf);
1769	#else
1770	#define INIT_PRINTF
1771	#endif
1772
1773	#if SANITIZER_INTERCEPT___PRINTF_CHK
1774	#define INIT___PRINTF_CHK \
1775	COMMON_INTERCEPT_FUNCTION(__sprintf_chk); \
1776	COMMON_INTERCEPT_FUNCTION(__snprintf_chk); \
1777	COMMON_INTERCEPT_FUNCTION(__vsprintf_chk); \
1778	COMMON_INTERCEPT_FUNCTION(__vsnprintf_chk); \
1779	COMMON_INTERCEPT_FUNCTION(__fprintf_chk);
1780	#else
1781	#define INIT___PRINTF_CHK
1782	#endif
1783
1784	#if SANITIZER_INTERCEPT_PRINTF_L
1785	#define INIT_PRINTF_L \
1786	COMMON_INTERCEPT_FUNCTION(snprintf_l); \
1787	COMMON_INTERCEPT_FUNCTION(vsnprintf_l);
1788	#else
1789	#define INIT_PRINTF_L
1790	#endif
1791
1792	#if SANITIZER_INTERCEPT_ISOC99_PRINTF
1793	#define INIT_ISOC99_PRINTF \
1794	COMMON_INTERCEPT_FUNCTION(__isoc99_printf); \
1795	COMMON_INTERCEPT_FUNCTION(__isoc99_sprintf); \
1796	COMMON_INTERCEPT_FUNCTION(__isoc99_snprintf); \
1797	COMMON_INTERCEPT_FUNCTION(__isoc99_fprintf); \
1798	COMMON_INTERCEPT_FUNCTION(__isoc99_vprintf); \
1799	COMMON_INTERCEPT_FUNCTION(__isoc99_vsprintf); \
1800	COMMON_INTERCEPT_FUNCTION(__isoc99_vsnprintf); \
1801	COMMON_INTERCEPT_FUNCTION(__isoc99_vfprintf);
1802	#else
1803	#define INIT_ISOC99_PRINTF
1804	#endif
1805
1806	#if SANITIZER_INTERCEPT_IOCTL
1807	#include "sanitizer_common_interceptors_ioctl.inc"
1808	#include "sanitizer_interceptors_ioctl_netbsd.inc"
1809	INTERCEPTOR(int, ioctl, int d, unsigned long request, ...) {
1810	// We need a frame pointer, because we call into ioctl_common_[pre|post] which
1811	// can trigger a report and we need to be able to unwind through this
1812	// function. On Mac in debug mode we might not have a frame pointer, because
1813	// ioctl_common_[pre|post] doesn't get inlined here.
1814	ENABLE_FRAME_POINTER;
1815
1816	void *ctx;
1817	va_list ap;
1818	va_start(ap, request);
1819	void *arg = va_arg(ap, void *);
1820	va_end(ap);
1821	COMMON_INTERCEPTOR_ENTER(ctx, ioctl, d, request, arg);
1822
1823	CHECK(ioctl_initialized);
1824
1825	// Note: TSan does not use common flags, and they are zero-initialized.
1826	// This effectively disables ioctl handling in TSan.
1827	if (!common_flags()->handle_ioctl) return REAL(ioctl)(d, request, arg);
1828
1829	// Although request is unsigned long, the rest of the interceptor uses it
1830	// as just "unsigned" to save space, because we know that all values fit in
1831	// "unsigned" - they are compile-time constants.
1832
1833	const ioctl_desc *desc = ioctl_lookup(req: request);
1834	ioctl_desc decoded_desc;
1835	if (!desc) {
1836	VPrintf(2, "Decoding unknown ioctl 0x%lx\n", request);
1837	if (!ioctl_decode(req: request, desc: &decoded_desc))
1838	Printf(format: "WARNING: failed decoding unknown ioctl 0x%lx\n", request);
1839	else
1840	desc = &decoded_desc;
1841	}
1842
1843	if (desc) ioctl_common_pre(ctx, desc, d, request, arg);
1844	int res = REAL(ioctl)(d, request, arg);
1845	// FIXME: some ioctls have different return values for success and failure.
1846	if (desc && res != -1) ioctl_common_post(ctx, desc, res, d, request, arg);
1847	return res;
1848	}
1849	#define INIT_IOCTL \
1850	ioctl_init(); \
1851	COMMON_INTERCEPT_FUNCTION(ioctl);
1852	#else
1853	#define INIT_IOCTL
1854	#endif
1855
1856	#if SANITIZER_POSIX
1857	UNUSED static void unpoison_passwd(void *ctx, __sanitizer_passwd *pwd) {
1858	if (pwd) {
1859	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, sizeof(*pwd));
1860	if (pwd->pw_name)
1861	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_name,
1862	internal_strlen(pwd->pw_name) + 1);
1863	if (pwd->pw_passwd)
1864	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_passwd,
1865	internal_strlen(pwd->pw_passwd) + 1);
1866	#if !SANITIZER_ANDROID
1867	if (pwd->pw_gecos)
1868	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_gecos,
1869	internal_strlen(pwd->pw_gecos) + 1);
1870	#endif
1871	#if SANITIZER_APPLE || SANITIZER_FREEBSD || SANITIZER_NETBSD
1872	if (pwd->pw_class)
1873	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_class,
1874	internal_strlen(pwd->pw_class) + 1);
1875	#endif
1876	if (pwd->pw_dir)
1877	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_dir,
1878	internal_strlen(pwd->pw_dir) + 1);
1879	if (pwd->pw_shell)
1880	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_shell,
1881	internal_strlen(pwd->pw_shell) + 1);
1882	}
1883	}
1884
1885	UNUSED static void unpoison_group(void *ctx, __sanitizer_group *grp) {
1886	if (grp) {
1887	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, sizeof(*grp));
1888	if (grp->gr_name)
1889	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_name,
1890	internal_strlen(grp->gr_name) + 1);
1891	if (grp->gr_passwd)
1892	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_passwd,
1893	internal_strlen(grp->gr_passwd) + 1);
1894	char **p = grp->gr_mem;
1895	for (; *p; ++p) {
1896	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, internal_strlen(*p) + 1);
1897	}
1898	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_mem,
1899	(p - grp->gr_mem + 1) * sizeof(*p));
1900	}
1901	}
1902	#endif // SANITIZER_POSIX
1903
1904	#if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS
1905	INTERCEPTOR(__sanitizer_passwd *, getpwnam, const char *name) {
1906	void *ctx;
1907	COMMON_INTERCEPTOR_ENTER(ctx, getpwnam, name);
1908	if (name)
1909	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1910	__sanitizer_passwd *res = REAL(getpwnam)(name);
1911	unpoison_passwd(ctx, pwd: res);
1912	return res;
1913	}
1914	INTERCEPTOR(__sanitizer_passwd *, getpwuid, u32 uid) {
1915	void *ctx;
1916	COMMON_INTERCEPTOR_ENTER(ctx, getpwuid, uid);
1917	__sanitizer_passwd *res = REAL(getpwuid)(uid);
1918	unpoison_passwd(ctx, pwd: res);
1919	return res;
1920	}
1921	INTERCEPTOR(__sanitizer_group *, getgrnam, const char *name) {
1922	void *ctx;
1923	COMMON_INTERCEPTOR_ENTER(ctx, getgrnam, name);
1924	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1925	__sanitizer_group *res = REAL(getgrnam)(name);
1926	unpoison_group(ctx, grp: res);
1927	return res;
1928	}
1929	INTERCEPTOR(__sanitizer_group *, getgrgid, u32 gid) {
1930	void *ctx;
1931	COMMON_INTERCEPTOR_ENTER(ctx, getgrgid, gid);
1932	__sanitizer_group *res = REAL(getgrgid)(gid);
1933	unpoison_group(ctx, grp: res);
1934	return res;
1935	}
1936	#define INIT_GETPWNAM_AND_FRIENDS \
1937	COMMON_INTERCEPT_FUNCTION(getpwnam); \
1938	COMMON_INTERCEPT_FUNCTION(getpwuid); \
1939	COMMON_INTERCEPT_FUNCTION(getgrnam); \
1940	COMMON_INTERCEPT_FUNCTION(getgrgid);
1941	#else
1942	#define INIT_GETPWNAM_AND_FRIENDS
1943	#endif
1944
1945	#if SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS
1946	INTERCEPTOR(int, getpwnam_r, const char *name, __sanitizer_passwd *pwd,
1947	char *buf, SIZE_T buflen, __sanitizer_passwd **result) {
1948	void *ctx;
1949	COMMON_INTERCEPTOR_ENTER(ctx, getpwnam_r, name, pwd, buf, buflen, result);
1950	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1951	// FIXME: under ASan the call below may write to freed memory and corrupt
1952	// its metadata. See
1953	// https://github.com/google/sanitizers/issues/321.
1954	int res = REAL(getpwnam_r)(name, pwd, buf, buflen, result);
1955	if (!res && result)
1956	unpoison_passwd(ctx, pwd: *result);
1957	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
1958	return res;
1959	}
1960	INTERCEPTOR(int, getpwuid_r, u32 uid, __sanitizer_passwd *pwd, char *buf,
1961	SIZE_T buflen, __sanitizer_passwd **result) {
1962	void *ctx;
1963	COMMON_INTERCEPTOR_ENTER(ctx, getpwuid_r, uid, pwd, buf, buflen, result);
1964	// FIXME: under ASan the call below may write to freed memory and corrupt
1965	// its metadata. See
1966	// https://github.com/google/sanitizers/issues/321.
1967	int res = REAL(getpwuid_r)(uid, pwd, buf, buflen, result);
1968	if (!res && result)
1969	unpoison_passwd(ctx, pwd: *result);
1970	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
1971	return res;
1972	}
1973	INTERCEPTOR(int, getgrnam_r, const char *name, __sanitizer_group *grp,
1974	char *buf, SIZE_T buflen, __sanitizer_group **result) {
1975	void *ctx;
1976	COMMON_INTERCEPTOR_ENTER(ctx, getgrnam_r, name, grp, buf, buflen, result);
1977	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
1978	// FIXME: under ASan the call below may write to freed memory and corrupt
1979	// its metadata. See
1980	// https://github.com/google/sanitizers/issues/321.
1981	int res = REAL(getgrnam_r)(name, grp, buf, buflen, result);
1982	if (!res && result)
1983	unpoison_group(ctx, grp: *result);
1984	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
1985	return res;
1986	}
1987	INTERCEPTOR(int, getgrgid_r, u32 gid, __sanitizer_group *grp, char *buf,
1988	SIZE_T buflen, __sanitizer_group **result) {
1989	void *ctx;
1990	COMMON_INTERCEPTOR_ENTER(ctx, getgrgid_r, gid, grp, buf, buflen, result);
1991	// FIXME: under ASan the call below may write to freed memory and corrupt
1992	// its metadata. See
1993	// https://github.com/google/sanitizers/issues/321.
1994	int res = REAL(getgrgid_r)(gid, grp, buf, buflen, result);
1995	if (!res && result)
1996	unpoison_group(ctx, grp: *result);
1997	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
1998	return res;
1999	}
2000	#define INIT_GETPWNAM_R_AND_FRIENDS \
2001	COMMON_INTERCEPT_FUNCTION(getpwnam_r); \
2002	COMMON_INTERCEPT_FUNCTION(getpwuid_r); \
2003	COMMON_INTERCEPT_FUNCTION(getgrnam_r); \
2004	COMMON_INTERCEPT_FUNCTION(getgrgid_r);
2005	#else
2006	#define INIT_GETPWNAM_R_AND_FRIENDS
2007	#endif
2008
2009	#if SANITIZER_INTERCEPT_GETPWENT
2010	INTERCEPTOR(__sanitizer_passwd *, getpwent, int dummy) {
2011	void *ctx;
2012	COMMON_INTERCEPTOR_ENTER(ctx, getpwent, dummy);
2013	__sanitizer_passwd *res = REAL(getpwent)(dummy);
2014	unpoison_passwd(ctx, pwd: res);
2015	return res;
2016	}
2017	INTERCEPTOR(__sanitizer_group *, getgrent, int dummy) {
2018	void *ctx;
2019	COMMON_INTERCEPTOR_ENTER(ctx, getgrent, dummy);
2020	__sanitizer_group *res = REAL(getgrent)(dummy);
2021	unpoison_group(ctx, grp: res);
2022	return res;
2023	}
2024	#define INIT_GETPWENT \
2025	COMMON_INTERCEPT_FUNCTION(getpwent); \
2026	COMMON_INTERCEPT_FUNCTION(getgrent);
2027	#else
2028	#define INIT_GETPWENT
2029	#endif
2030
2031	#if SANITIZER_INTERCEPT_FGETPWENT
2032	INTERCEPTOR(__sanitizer_passwd *, fgetpwent, void *fp) {
2033	void *ctx;
2034	COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent, fp);
2035	__sanitizer_passwd *res = REAL(fgetpwent)(fp);
2036	unpoison_passwd(ctx, pwd: res);
2037	return res;
2038	}
2039	INTERCEPTOR(__sanitizer_group *, fgetgrent, void *fp) {
2040	void *ctx;
2041	COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent, fp);
2042	__sanitizer_group *res = REAL(fgetgrent)(fp);
2043	unpoison_group(ctx, grp: res);
2044	return res;
2045	}
2046	#define INIT_FGETPWENT \
2047	COMMON_INTERCEPT_FUNCTION(fgetpwent); \
2048	COMMON_INTERCEPT_FUNCTION(fgetgrent);
2049	#else
2050	#define INIT_FGETPWENT
2051	#endif
2052
2053	#if SANITIZER_INTERCEPT_GETPWENT_R
2054	INTERCEPTOR(int, getpwent_r, __sanitizer_passwd *pwbuf, char *buf,
2055	SIZE_T buflen, __sanitizer_passwd **pwbufp) {
2056	void *ctx;
2057	COMMON_INTERCEPTOR_ENTER(ctx, getpwent_r, pwbuf, buf, buflen, pwbufp);
2058	// FIXME: under ASan the call below may write to freed memory and corrupt
2059	// its metadata. See
2060	// https://github.com/google/sanitizers/issues/321.
2061	int res = REAL(getpwent_r)(pwbuf, buf, buflen, pwbufp);
2062	if (!res && pwbufp)
2063	unpoison_passwd(ctx, pwd: *pwbufp);
2064	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2065	return res;
2066	}
2067	INTERCEPTOR(int, getgrent_r, __sanitizer_group *pwbuf, char *buf, SIZE_T buflen,
2068	__sanitizer_group **pwbufp) {
2069	void *ctx;
2070	COMMON_INTERCEPTOR_ENTER(ctx, getgrent_r, pwbuf, buf, buflen, pwbufp);
2071	// FIXME: under ASan the call below may write to freed memory and corrupt
2072	// its metadata. See
2073	// https://github.com/google/sanitizers/issues/321.
2074	int res = REAL(getgrent_r)(pwbuf, buf, buflen, pwbufp);
2075	if (!res && pwbufp)
2076	unpoison_group(ctx, grp: *pwbufp);
2077	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2078	return res;
2079	}
2080	#define INIT_GETPWENT_R \
2081	COMMON_INTERCEPT_FUNCTION(getpwent_r); \
2082	COMMON_INTERCEPT_FUNCTION(getgrent_r);
2083	#else
2084	#define INIT_GETPWENT_R
2085	#endif
2086
2087	#if SANITIZER_INTERCEPT_FGETPWENT_R
2088	INTERCEPTOR(int, fgetpwent_r, void *fp, __sanitizer_passwd *pwbuf, char *buf,
2089	SIZE_T buflen, __sanitizer_passwd **pwbufp) {
2090	void *ctx;
2091	COMMON_INTERCEPTOR_ENTER(ctx, fgetpwent_r, fp, pwbuf, buf, buflen, pwbufp);
2092	// FIXME: under ASan the call below may write to freed memory and corrupt
2093	// its metadata. See
2094	// https://github.com/google/sanitizers/issues/321.
2095	int res = REAL(fgetpwent_r)(fp, pwbuf, buf, buflen, pwbufp);
2096	if (!res && pwbufp)
2097	unpoison_passwd(ctx, pwd: *pwbufp);
2098	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2099	return res;
2100	}
2101	#define INIT_FGETPWENT_R \
2102	COMMON_INTERCEPT_FUNCTION(fgetpwent_r);
2103	#else
2104	#define INIT_FGETPWENT_R
2105	#endif
2106
2107	#if SANITIZER_INTERCEPT_FGETGRENT_R
2108	INTERCEPTOR(int, fgetgrent_r, void *fp, __sanitizer_group *pwbuf, char *buf,
2109	SIZE_T buflen, __sanitizer_group **pwbufp) {
2110	void *ctx;
2111	COMMON_INTERCEPTOR_ENTER(ctx, fgetgrent_r, fp, pwbuf, buf, buflen, pwbufp);
2112	// FIXME: under ASan the call below may write to freed memory and corrupt
2113	// its metadata. See
2114	// https://github.com/google/sanitizers/issues/321.
2115	int res = REAL(fgetgrent_r)(fp, pwbuf, buf, buflen, pwbufp);
2116	if (!res && pwbufp)
2117	unpoison_group(ctx, grp: *pwbufp);
2118	if (pwbufp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwbufp, sizeof(*pwbufp));
2119	return res;
2120	}
2121	#define INIT_FGETGRENT_R \
2122	COMMON_INTERCEPT_FUNCTION(fgetgrent_r);
2123	#else
2124	#define INIT_FGETGRENT_R
2125	#endif
2126
2127	#if SANITIZER_INTERCEPT_SETPWENT
2128	// The only thing these interceptors do is disable any nested interceptors.
2129	// These functions may open nss modules and call uninstrumented functions from
2130	// them, and we don't want things like strlen() to trigger.
2131	INTERCEPTOR(void, setpwent, int dummy) {
2132	void *ctx;
2133	COMMON_INTERCEPTOR_ENTER(ctx, setpwent, dummy);
2134	REAL(setpwent)(dummy);
2135	}
2136	INTERCEPTOR(void, endpwent, int dummy) {
2137	void *ctx;
2138	COMMON_INTERCEPTOR_ENTER(ctx, endpwent, dummy);
2139	REAL(endpwent)(dummy);
2140	}
2141	INTERCEPTOR(void, setgrent, int dummy) {
2142	void *ctx;
2143	COMMON_INTERCEPTOR_ENTER(ctx, setgrent, dummy);
2144	REAL(setgrent)(dummy);
2145	}
2146	INTERCEPTOR(void, endgrent, int dummy) {
2147	void *ctx;
2148	COMMON_INTERCEPTOR_ENTER(ctx, endgrent, dummy);
2149	REAL(endgrent)(dummy);
2150	}
2151	#define INIT_SETPWENT \
2152	COMMON_INTERCEPT_FUNCTION(setpwent); \
2153	COMMON_INTERCEPT_FUNCTION(endpwent); \
2154	COMMON_INTERCEPT_FUNCTION(setgrent); \
2155	COMMON_INTERCEPT_FUNCTION(endgrent);
2156	#else
2157	#define INIT_SETPWENT
2158	#endif
2159
2160	#if SANITIZER_INTERCEPT_CLOCK_GETTIME
2161	INTERCEPTOR(int, clock_getres, u32 clk_id, void *tp) {
2162	void *ctx;
2163	COMMON_INTERCEPTOR_ENTER(ctx, clock_getres, clk_id, tp);
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(clock_getres)(clk_id, tp);
2168	if (!res && tp) {
2169	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz);
2170	}
2171	return res;
2172	}
2173	INTERCEPTOR(int, clock_gettime, u32 clk_id, void *tp) {
2174	void *ctx;
2175	COMMON_INTERCEPTOR_ENTER(ctx, clock_gettime, clk_id, tp);
2176	// FIXME: under ASan the call below may write to freed memory and corrupt
2177	// its metadata. See
2178	// https://github.com/google/sanitizers/issues/321.
2179	int res = REAL(clock_gettime)(clk_id, tp);
2180	if (!res) {
2181	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, struct_timespec_sz);
2182	}
2183	return res;
2184	}
2185	#if SANITIZER_GLIBC
2186	namespace __sanitizer {
2187	extern "C" {
2188	int real_clock_gettime(u32 clk_id, void *tp) {
2189	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
2190	return internal_clock_gettime(clk_id, tp);
2191	return REAL(clock_gettime)(clk_id, tp);
2192	}
2193	} // extern "C"
2194	} // namespace __sanitizer
2195	#endif
2196	INTERCEPTOR(int, clock_settime, u32 clk_id, const void *tp) {
2197	void *ctx;
2198	COMMON_INTERCEPTOR_ENTER(ctx, clock_settime, clk_id, tp);
2199	COMMON_INTERCEPTOR_READ_RANGE(ctx, tp, struct_timespec_sz);
2200	return REAL(clock_settime)(clk_id, tp);
2201	}
2202	#define INIT_CLOCK_GETTIME \
2203	COMMON_INTERCEPT_FUNCTION(clock_getres); \
2204	COMMON_INTERCEPT_FUNCTION(clock_gettime); \
2205	COMMON_INTERCEPT_FUNCTION(clock_settime);
2206	#else
2207	#define INIT_CLOCK_GETTIME
2208	#endif
2209
2210	#if SANITIZER_INTERCEPT_CLOCK_GETCPUCLOCKID
2211	INTERCEPTOR(int, clock_getcpuclockid, pid_t pid,
2212	__sanitizer_clockid_t *clockid) {
2213	void *ctx;
2214	COMMON_INTERCEPTOR_ENTER(ctx, clock_getcpuclockid, pid, clockid);
2215	int res = REAL(clock_getcpuclockid)(pid, clockid);
2216	if (!res && clockid) {
2217	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, clockid, sizeof *clockid);
2218	}
2219	return res;
2220	}
2221
2222	INTERCEPTOR(int, pthread_getcpuclockid, uptr thread,
2223	__sanitizer_clockid_t *clockid) {
2224	void *ctx;
2225	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getcpuclockid, thread, clockid);
2226	int res = REAL(pthread_getcpuclockid)(thread, clockid);
2227	if (!res && clockid) {
2228	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, clockid, sizeof *clockid);
2229	}
2230	return res;
2231	}
2232
2233	#define INIT_CLOCK_GETCPUCLOCKID \
2234	COMMON_INTERCEPT_FUNCTION(clock_getcpuclockid); \
2235	COMMON_INTERCEPT_FUNCTION(pthread_getcpuclockid);
2236	#else
2237	#define INIT_CLOCK_GETCPUCLOCKID
2238	#endif
2239
2240	#if SANITIZER_INTERCEPT_GETITIMER
2241	INTERCEPTOR(int, getitimer, int which, void *curr_value) {
2242	void *ctx;
2243	COMMON_INTERCEPTOR_ENTER(ctx, getitimer, which, curr_value);
2244	// FIXME: under ASan the call below may write to freed memory and corrupt
2245	// its metadata. See
2246	// https://github.com/google/sanitizers/issues/321.
2247	int res = REAL(getitimer)(which, curr_value);
2248	if (!res && curr_value) {
2249	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerval_sz);
2250	}
2251	return res;
2252	}
2253	INTERCEPTOR(int, setitimer, int which, const void *new_value, void *old_value) {
2254	void *ctx;
2255	COMMON_INTERCEPTOR_ENTER(ctx, setitimer, which, new_value, old_value);
2256	if (new_value) {
2257	// itimerval can contain padding that may be legitimately uninitialized
2258	const struct __sanitizer_itimerval *nv =
2259	(const struct __sanitizer_itimerval *)new_value;
2260	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_interval.tv_sec,
2261	sizeof(__sanitizer_time_t));
2262	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_interval.tv_usec,
2263	sizeof(__sanitizer_suseconds_t));
2264	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_value.tv_sec,
2265	sizeof(__sanitizer_time_t));
2266	COMMON_INTERCEPTOR_READ_RANGE(ctx, &nv->it_value.tv_usec,
2267	sizeof(__sanitizer_suseconds_t));
2268	}
2269	// FIXME: under ASan the call below may write to freed memory and corrupt
2270	// its metadata. See
2271	// https://github.com/google/sanitizers/issues/321.
2272	int res = REAL(setitimer)(which, new_value, old_value);
2273	if (!res && old_value) {
2274	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerval_sz);
2275	}
2276	return res;
2277	}
2278	#define INIT_GETITIMER \
2279	COMMON_INTERCEPT_FUNCTION(getitimer); \
2280	COMMON_INTERCEPT_FUNCTION(setitimer);
2281	#else
2282	#define INIT_GETITIMER
2283	#endif
2284
2285	#if SANITIZER_INTERCEPT_GLOB
2286	static void unpoison_glob_t(void *ctx, __sanitizer_glob_t *pglob) {
2287	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pglob, sizeof(*pglob));
2288	// +1 for NULL pointer at the end.
2289	if (pglob->gl_pathv)
2290	COMMON_INTERCEPTOR_WRITE_RANGE(
2291	ctx, pglob->gl_pathv, (pglob->gl_pathc + 1) * sizeof(*pglob->gl_pathv));
2292	for (SIZE_T i = 0; i < pglob->gl_pathc; ++i) {
2293	char *p = pglob->gl_pathv[i];
2294	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, internal_strlen(p) + 1);
2295	}
2296	}
2297
2298	#if SANITIZER_SOLARIS
2299	INTERCEPTOR(int, glob, const char *pattern, int flags,
2300	int (*errfunc)(const char *epath, int eerrno),
2301	__sanitizer_glob_t *pglob) {
2302	void *ctx;
2303	COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob);
2304	COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0);
2305	int res = REAL(glob)(pattern, flags, errfunc, pglob);
2306	if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
2307	return res;
2308	}
2309	#else
2310	static THREADLOCAL __sanitizer_glob_t *pglob_copy;
2311
2312	static void wrapped_gl_closedir(void *dir) {
2313	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
2314	pglob_copy->gl_closedir(dir);
2315	}
2316
2317	static void *wrapped_gl_readdir(void *dir) {
2318	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
2319	return pglob_copy->gl_readdir(dir);
2320	}
2321
2322	static void *wrapped_gl_opendir(const char *s) {
2323	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
2324	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, internal_strlen(s) + 1);
2325	return pglob_copy->gl_opendir(s);
2326	}
2327
2328	static int wrapped_gl_lstat(const char *s, void *st) {
2329	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
2330	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, internal_strlen(s) + 1);
2331	return pglob_copy->gl_lstat(s, st);
2332	}
2333
2334	static int wrapped_gl_stat(const char *s, void *st) {
2335	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
2336	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, internal_strlen(s) + 1);
2337	return pglob_copy->gl_stat(s, st);
2338	}
2339
2340	static const __sanitizer_glob_t kGlobCopy = {
2341	.gl_pathc: 0, .gl_pathv: 0, .gl_offs: 0,
2342	.gl_flags: 0, .gl_closedir: wrapped_gl_closedir, .gl_readdir: wrapped_gl_readdir,
2343	.gl_opendir: wrapped_gl_opendir, .gl_lstat: wrapped_gl_lstat, .gl_stat: wrapped_gl_stat};
2344
2345	INTERCEPTOR(int, glob, const char *pattern, int flags,
2346	int (*errfunc)(const char *epath, int eerrno),
2347	__sanitizer_glob_t *pglob) {
2348	void *ctx;
2349	COMMON_INTERCEPTOR_ENTER(ctx, glob, pattern, flags, errfunc, pglob);
2350	COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0);
2351	__sanitizer_glob_t glob_copy;
2352	internal_memcpy(dest: &glob_copy, src: &kGlobCopy, n: sizeof(glob_copy));
2353	if (flags & glob_altdirfunc) {
2354	Swap(a&: pglob->gl_closedir, b&: glob_copy.gl_closedir);
2355	Swap(a&: pglob->gl_readdir, b&: glob_copy.gl_readdir);
2356	Swap(a&: pglob->gl_opendir, b&: glob_copy.gl_opendir);
2357	Swap(a&: pglob->gl_lstat, b&: glob_copy.gl_lstat);
2358	Swap(a&: pglob->gl_stat, b&: glob_copy.gl_stat);
2359	pglob_copy = &glob_copy;
2360	}
2361	int res = REAL(glob)(pattern, flags, errfunc, pglob);
2362	if (flags & glob_altdirfunc) {
2363	Swap(a&: pglob->gl_closedir, b&: glob_copy.gl_closedir);
2364	Swap(a&: pglob->gl_readdir, b&: glob_copy.gl_readdir);
2365	Swap(a&: pglob->gl_opendir, b&: glob_copy.gl_opendir);
2366	Swap(a&: pglob->gl_lstat, b&: glob_copy.gl_lstat);
2367	Swap(a&: pglob->gl_stat, b&: glob_copy.gl_stat);
2368	}
2369	pglob_copy = 0;
2370	if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
2371	return res;
2372	}
2373	#endif // SANITIZER_SOLARIS
2374	#define INIT_GLOB \
2375	COMMON_INTERCEPT_FUNCTION(glob);
2376	#else // SANITIZER_INTERCEPT_GLOB
2377	#define INIT_GLOB
2378	#endif // SANITIZER_INTERCEPT_GLOB
2379
2380	#if SANITIZER_INTERCEPT_GLOB64
2381	INTERCEPTOR(int, glob64, const char *pattern, int flags,
2382	int (*errfunc)(const char *epath, int eerrno),
2383	__sanitizer_glob_t *pglob) {
2384	void *ctx;
2385	COMMON_INTERCEPTOR_ENTER(ctx, glob64, pattern, flags, errfunc, pglob);
2386	COMMON_INTERCEPTOR_READ_STRING(ctx, pattern, 0);
2387	__sanitizer_glob_t glob_copy;
2388	internal_memcpy(dest: &glob_copy, src: &kGlobCopy, n: sizeof(glob_copy));
2389	if (flags & glob_altdirfunc) {
2390	Swap(a&: pglob->gl_closedir, b&: glob_copy.gl_closedir);
2391	Swap(a&: pglob->gl_readdir, b&: glob_copy.gl_readdir);
2392	Swap(a&: pglob->gl_opendir, b&: glob_copy.gl_opendir);
2393	Swap(a&: pglob->gl_lstat, b&: glob_copy.gl_lstat);
2394	Swap(a&: pglob->gl_stat, b&: glob_copy.gl_stat);
2395	pglob_copy = &glob_copy;
2396	}
2397	int res = REAL(glob64)(pattern, flags, errfunc, pglob);
2398	if (flags & glob_altdirfunc) {
2399	Swap(a&: pglob->gl_closedir, b&: glob_copy.gl_closedir);
2400	Swap(a&: pglob->gl_readdir, b&: glob_copy.gl_readdir);
2401	Swap(a&: pglob->gl_opendir, b&: glob_copy.gl_opendir);
2402	Swap(a&: pglob->gl_lstat, b&: glob_copy.gl_lstat);
2403	Swap(a&: pglob->gl_stat, b&: glob_copy.gl_stat);
2404	}
2405	pglob_copy = 0;
2406	if ((!res || res == glob_nomatch) && pglob) unpoison_glob_t(ctx, pglob);
2407	return res;
2408	}
2409	#define INIT_GLOB64 \
2410	COMMON_INTERCEPT_FUNCTION(glob64);
2411	#else // SANITIZER_INTERCEPT_GLOB64
2412	#define INIT_GLOB64
2413	#endif // SANITIZER_INTERCEPT_GLOB64
2414
2415	#if SANITIZER_INTERCEPT___B64_TO
2416	INTERCEPTOR(int, __b64_ntop, unsigned char const *src, SIZE_T srclength,
2417	char *target, SIZE_T targsize) {
2418	void *ctx;
2419	COMMON_INTERCEPTOR_ENTER(ctx, __b64_ntop, src, srclength, target, targsize);
2420	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, srclength);
2421	int res = REAL(__b64_ntop)(src, srclength, target, targsize);
2422	if (res >= 0)
2423	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, target, res + 1);
2424	return res;
2425	}
2426	INTERCEPTOR(int, __b64_pton, char const *src, char *target, SIZE_T targsize) {
2427	void *ctx;
2428	COMMON_INTERCEPTOR_ENTER(ctx, __b64_pton, src, target, targsize);
2429	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
2430	int res = REAL(__b64_pton)(src, target, targsize);
2431	if (res >= 0)
2432	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, target, res);
2433	return res;
2434	}
2435	#define INIT___B64_TO \
2436	COMMON_INTERCEPT_FUNCTION(__b64_ntop); \
2437	COMMON_INTERCEPT_FUNCTION(__b64_pton);
2438	#else // SANITIZER_INTERCEPT___B64_TO
2439	#define INIT___B64_TO
2440	#endif // SANITIZER_INTERCEPT___B64_TO
2441
2442	#if SANITIZER_INTERCEPT_DN_COMP_EXPAND
2443	# if __GLIBC_PREREQ(2, 34)
2444	// Changed with https://sourceware.org/git/?p=glibc.git;h=640bbdf
2445	# define DN_COMP_INTERCEPTOR_NAME dn_comp
2446	# define DN_EXPAND_INTERCEPTOR_NAME dn_expand
2447	# else
2448	# define DN_COMP_INTERCEPTOR_NAME __dn_comp
2449	# define DN_EXPAND_INTERCEPTOR_NAME __dn_expand
2450	# endif
2451	INTERCEPTOR(int, DN_COMP_INTERCEPTOR_NAME, unsigned char *exp_dn,
2452	unsigned char *comp_dn, int length, unsigned char **dnptrs,
2453	unsigned char **lastdnptr) {
2454	void *ctx;
2455	COMMON_INTERCEPTOR_ENTER(ctx, DN_COMP_INTERCEPTOR_NAME, exp_dn, comp_dn,
2456	length, dnptrs, lastdnptr);
2457	int res = REAL(DN_COMP_INTERCEPTOR_NAME)(exp_dn, comp_dn, length, dnptrs,
2458	lastdnptr);
2459	if (res >= 0) {
2460	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, comp_dn, res);
2461	if (dnptrs && lastdnptr) {
2462	unsigned char **p = dnptrs;
2463	for (; p != lastdnptr && *p; ++p)
2464	;
2465	if (p != lastdnptr)
2466	++p;
2467	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dnptrs, (p - dnptrs) * sizeof(*p));
2468	}
2469	}
2470	return res;
2471	}
2472	INTERCEPTOR(int, DN_EXPAND_INTERCEPTOR_NAME, unsigned char const *base,
2473	unsigned char const *end, unsigned char const *src, char *dest,
2474	int space) {
2475	void *ctx;
2476	COMMON_INTERCEPTOR_ENTER(ctx, DN_EXPAND_INTERCEPTOR_NAME, base, end, src,
2477	dest, space);
2478	// TODO: add read check if __dn_comp intercept added
2479	int res = REAL(DN_EXPAND_INTERCEPTOR_NAME)(base, end, src, dest, space);
2480	if (res >= 0)
2481	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, internal_strlen(dest) + 1);
2482	return res;
2483	}
2484	# define INIT_DN_COMP_EXPAND \
2485	COMMON_INTERCEPT_FUNCTION(DN_COMP_INTERCEPTOR_NAME); \
2486	COMMON_INTERCEPT_FUNCTION(DN_EXPAND_INTERCEPTOR_NAME);
2487	#else // SANITIZER_INTERCEPT_DN_COMP_EXPAND
2488	# define INIT_DN_COMP_EXPAND
2489	#endif // SANITIZER_INTERCEPT_DN_COMP_EXPAND
2490
2491	#if SANITIZER_INTERCEPT_POSIX_SPAWN
2492
2493	template <class RealSpawnPtr>
2494	static int PosixSpawnImpl(void *ctx, RealSpawnPtr *real_posix_spawn, pid_t *pid,
2495	const char *file_or_path, const void *file_actions,
2496	const void *attrp, char *const argv[],
2497	char *const envp[]) {
2498	COMMON_INTERCEPTOR_READ_RANGE(ctx, file_or_path,
2499	internal_strlen(file_or_path) + 1);
2500	if (argv) {
2501	for (char *const *s = argv; ; ++s) {
2502	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(*s));
2503	if (!*s) break;
2504	COMMON_INTERCEPTOR_READ_RANGE(ctx, *s, internal_strlen(*s) + 1);
2505	}
2506	}
2507	if (envp) {
2508	for (char *const *s = envp; ; ++s) {
2509	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(*s));
2510	if (!*s) break;
2511	COMMON_INTERCEPTOR_READ_RANGE(ctx, *s, internal_strlen(*s) + 1);
2512	}
2513	}
2514	int res =
2515	real_posix_spawn(pid, file_or_path, file_actions, attrp, argv, envp);
2516	if (res == 0)
2517	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pid, sizeof(*pid));
2518	return res;
2519	}
2520	INTERCEPTOR(int, posix_spawn, pid_t *pid, const char *path,
2521	const void *file_actions, const void *attrp, char *const argv[],
2522	char *const envp[]) {
2523	void *ctx;
2524	COMMON_INTERCEPTOR_ENTER(ctx, posix_spawn, pid, path, file_actions, attrp,
2525	argv, envp);
2526	return PosixSpawnImpl(ctx, REAL(posix_spawn), pid, file_or_path: path, file_actions, attrp,
2527	argv, envp);
2528	}
2529	INTERCEPTOR(int, posix_spawnp, pid_t *pid, const char *file,
2530	const void *file_actions, const void *attrp, char *const argv[],
2531	char *const envp[]) {
2532	void *ctx;
2533	COMMON_INTERCEPTOR_ENTER(ctx, posix_spawnp, pid, file, file_actions, attrp,
2534	argv, envp);
2535	return PosixSpawnImpl(ctx, REAL(posix_spawnp), pid, file_or_path: file, file_actions, attrp,
2536	argv, envp);
2537	}
2538	# define INIT_POSIX_SPAWN \
2539	COMMON_INTERCEPT_FUNCTION(posix_spawn); \
2540	COMMON_INTERCEPT_FUNCTION(posix_spawnp);
2541	#else // SANITIZER_INTERCEPT_POSIX_SPAWN
2542	# define INIT_POSIX_SPAWN
2543	#endif // SANITIZER_INTERCEPT_POSIX_SPAWN
2544
2545	#if SANITIZER_INTERCEPT_WAIT
2546	// According to sys/wait.h, wait(), waitid(), waitpid() may have symbol version
2547	// suffixes on Darwin. See the declaration of INTERCEPTOR_WITH_SUFFIX for
2548	// details.
2549	INTERCEPTOR_WITH_SUFFIX(int, wait, int *status) {
2550	void *ctx;
2551	COMMON_INTERCEPTOR_ENTER(ctx, wait, status);
2552	// FIXME: under ASan the call below may write to freed memory and corrupt
2553	// its metadata. See
2554	// https://github.com/google/sanitizers/issues/321.
2555	int res = COMMON_INTERCEPTOR_BLOCK_REAL(wait)(status);
2556	if (res != -1 && status)
2557	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2558	return res;
2559	}
2560	// On FreeBSD id_t is always 64-bit wide.
2561	#if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32)
2562	INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, long long id, void *infop,
2563	int options) {
2564	#else
2565	INTERCEPTOR_WITH_SUFFIX(int, waitid, int idtype, int id, void *infop,
2566	int options) {
2567	#endif
2568	void *ctx;
2569	COMMON_INTERCEPTOR_ENTER(ctx, waitid, idtype, id, infop, options);
2570	// FIXME: under ASan the call below may write to freed memory and corrupt
2571	// its metadata. See
2572	// https://github.com/google/sanitizers/issues/321.
2573	int res = COMMON_INTERCEPTOR_BLOCK_REAL(waitid)(idtype, id, infop, options);
2574	if (res != -1 && infop)
2575	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, infop, siginfo_t_sz);
2576	return res;
2577	}
2578	INTERCEPTOR_WITH_SUFFIX(int, waitpid, int pid, int *status, int options) {
2579	void *ctx;
2580	COMMON_INTERCEPTOR_ENTER(ctx, waitpid, pid, status, options);
2581	// FIXME: under ASan the call below may write to freed memory and corrupt
2582	// its metadata. See
2583	// https://github.com/google/sanitizers/issues/321.
2584	int res = COMMON_INTERCEPTOR_BLOCK_REAL(waitpid)(pid, status, options);
2585	if (res != -1 && status)
2586	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2587	return res;
2588	}
2589	INTERCEPTOR(int, wait3, int *status, int options, void *rusage) {
2590	void *ctx;
2591	COMMON_INTERCEPTOR_ENTER(ctx, wait3, status, options, rusage);
2592	// FIXME: under ASan the call below may write to freed memory and corrupt
2593	// its metadata. See
2594	// https://github.com/google/sanitizers/issues/321.
2595	int res = COMMON_INTERCEPTOR_BLOCK_REAL(wait3)(status, options, rusage);
2596	if (res != -1) {
2597	if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2598	if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
2599	}
2600	return res;
2601	}
2602	#if SANITIZER_ANDROID
2603	INTERCEPTOR(int, __wait4, int pid, int *status, int options, void *rusage) {
2604	void *ctx;
2605	COMMON_INTERCEPTOR_ENTER(ctx, __wait4, pid, status, options, rusage);
2606	// FIXME: under ASan the call below may write to freed memory and corrupt
2607	// its metadata. See
2608	// https://github.com/google/sanitizers/issues/321.
2609	int res =
2610	COMMON_INTERCEPTOR_BLOCK_REAL(__wait4)(pid, status, options, rusage);
2611	if (res != -1) {
2612	if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2613	if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
2614	}
2615	return res;
2616	}
2617	#define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(__wait4);
2618	#else
2619	INTERCEPTOR(int, wait4, int pid, int *status, int options, void *rusage) {
2620	void *ctx;
2621	COMMON_INTERCEPTOR_ENTER(ctx, wait4, pid, status, options, rusage);
2622	// FIXME: under ASan the call below may write to freed memory and corrupt
2623	// its metadata. See
2624	// https://github.com/google/sanitizers/issues/321.
2625	int res = COMMON_INTERCEPTOR_BLOCK_REAL(wait4)(pid, status, options, rusage);
2626	if (res != -1) {
2627	if (status) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, status, sizeof(*status));
2628	if (rusage) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rusage, struct_rusage_sz);
2629	}
2630	return res;
2631	}
2632	#define INIT_WAIT4 COMMON_INTERCEPT_FUNCTION(wait4);
2633	#endif // SANITIZER_ANDROID
2634	#define INIT_WAIT \
2635	COMMON_INTERCEPT_FUNCTION(wait); \
2636	COMMON_INTERCEPT_FUNCTION(waitid); \
2637	COMMON_INTERCEPT_FUNCTION(waitpid); \
2638	COMMON_INTERCEPT_FUNCTION(wait3);
2639	#else
2640	#define INIT_WAIT
2641	#define INIT_WAIT4
2642	#endif
2643
2644	#if SANITIZER_INTERCEPT_INET
2645	INTERCEPTOR(char *, inet_ntop, int af, const void *src, char *dst, u32 size) {
2646	void *ctx;
2647	COMMON_INTERCEPTOR_ENTER(ctx, inet_ntop, af, src, dst, size);
2648	uptr sz = __sanitizer_in_addr_sz(af);
2649	if (sz) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sz);
2650	// FIXME: figure out read size based on the address family.
2651	// FIXME: under ASan the call below may write to freed memory and corrupt
2652	// its metadata. See
2653	// https://github.com/google/sanitizers/issues/321.
2654	char *res = REAL(inet_ntop)(af, src, dst, size);
2655	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
2656	return res;
2657	}
2658	INTERCEPTOR(int, inet_pton, int af, const char *src, void *dst) {
2659	void *ctx;
2660	COMMON_INTERCEPTOR_ENTER(ctx, inet_pton, af, src, dst);
2661	COMMON_INTERCEPTOR_READ_STRING(ctx, src, 0);
2662	// FIXME: figure out read size based on the address family.
2663	// FIXME: under ASan the call below may write to freed memory and corrupt
2664	// its metadata. See
2665	// https://github.com/google/sanitizers/issues/321.
2666	int res = REAL(inet_pton)(af, src, dst);
2667	if (res == 1) {
2668	uptr sz = __sanitizer_in_addr_sz(af);
2669	if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz);
2670	}
2671	return res;
2672	}
2673	#define INIT_INET \
2674	COMMON_INTERCEPT_FUNCTION(inet_ntop); \
2675	COMMON_INTERCEPT_FUNCTION(inet_pton);
2676	#else
2677	#define INIT_INET
2678	#endif
2679
2680	#if SANITIZER_INTERCEPT_INET
2681	INTERCEPTOR(int, inet_aton, const char *cp, void *dst) {
2682	void *ctx;
2683	COMMON_INTERCEPTOR_ENTER(ctx, inet_aton, cp, dst);
2684	if (cp) COMMON_INTERCEPTOR_READ_RANGE(ctx, cp, internal_strlen(cp) + 1);
2685	// FIXME: under ASan the call below may write to freed memory and corrupt
2686	// its metadata. See
2687	// https://github.com/google/sanitizers/issues/321.
2688	int res = REAL(inet_aton)(cp, dst);
2689	if (res != 0) {
2690	uptr sz = __sanitizer_in_addr_sz(af: af_inet);
2691	if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sz);
2692	}
2693	return res;
2694	}
2695	#define INIT_INET_ATON COMMON_INTERCEPT_FUNCTION(inet_aton);
2696	#else
2697	#define INIT_INET_ATON
2698	#endif
2699
2700	#if SANITIZER_INTERCEPT_PTHREAD_GETSCHEDPARAM
2701	INTERCEPTOR(int, pthread_getschedparam, uptr thread, int *policy, int *param) {
2702	void *ctx;
2703	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getschedparam, thread, policy, param);
2704	// FIXME: under ASan the call below may write to freed memory and corrupt
2705	// its metadata. See
2706	// https://github.com/google/sanitizers/issues/321.
2707	int res = REAL(pthread_getschedparam)(thread, policy, param);
2708	if (res == 0) {
2709	if (policy) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, policy, sizeof(*policy));
2710	if (param) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, sizeof(*param));
2711	}
2712	return res;
2713	}
2714	#define INIT_PTHREAD_GETSCHEDPARAM \
2715	COMMON_INTERCEPT_FUNCTION(pthread_getschedparam);
2716	#else
2717	#define INIT_PTHREAD_GETSCHEDPARAM
2718	#endif
2719
2720	#if SANITIZER_INTERCEPT_GETADDRINFO
2721	INTERCEPTOR(int, getaddrinfo, char *node, char *service,
2722	struct __sanitizer_addrinfo *hints,
2723	struct __sanitizer_addrinfo **out) {
2724	void *ctx;
2725	COMMON_INTERCEPTOR_ENTER(ctx, getaddrinfo, node, service, hints, out);
2726	if (node) COMMON_INTERCEPTOR_READ_RANGE(ctx, node, internal_strlen(node) + 1);
2727	if (service)
2728	COMMON_INTERCEPTOR_READ_RANGE(ctx, service, internal_strlen(service) + 1);
2729	if (hints)
2730	COMMON_INTERCEPTOR_READ_RANGE(ctx, hints, sizeof(__sanitizer_addrinfo));
2731	// FIXME: under ASan the call below may write to freed memory and corrupt
2732	// its metadata. See
2733	// https://github.com/google/sanitizers/issues/321.
2734	int res = REAL(getaddrinfo)(node, service, hints, out);
2735	if (res == 0 && out) {
2736	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, out, sizeof(*out));
2737	struct __sanitizer_addrinfo *p = *out;
2738	while (p) {
2739	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
2740	if (p->ai_addr)
2741	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_addr, p->ai_addrlen);
2742	if (p->ai_canonname)
2743	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ai_canonname,
2744	internal_strlen(p->ai_canonname) + 1);
2745	p = p->ai_next;
2746	}
2747	}
2748	return res;
2749	}
2750	#define INIT_GETADDRINFO COMMON_INTERCEPT_FUNCTION(getaddrinfo);
2751	#else
2752	#define INIT_GETADDRINFO
2753	#endif
2754
2755	#if SANITIZER_INTERCEPT_GETNAMEINFO
2756	INTERCEPTOR(int, getnameinfo, void *sockaddr, unsigned salen, char *host,
2757	unsigned hostlen, char *serv, unsigned servlen, int flags) {
2758	void *ctx;
2759	COMMON_INTERCEPTOR_ENTER(ctx, getnameinfo, sockaddr, salen, host, hostlen,
2760	serv, servlen, flags);
2761	// FIXME: consider adding READ_RANGE(sockaddr, salen)
2762	// There is padding in in_addr that may make this too noisy
2763	// FIXME: under ASan the call below may write to freed memory and corrupt
2764	// its metadata. See
2765	// https://github.com/google/sanitizers/issues/321.
2766	int res =
2767	REAL(getnameinfo)(sockaddr, salen, host, hostlen, serv, servlen, flags);
2768	if (res == 0) {
2769	if (host && hostlen)
2770	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, host, internal_strlen(host) + 1);
2771	if (serv && servlen)
2772	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, serv, internal_strlen(serv) + 1);
2773	}
2774	return res;
2775	}
2776	#define INIT_GETNAMEINFO COMMON_INTERCEPT_FUNCTION(getnameinfo);
2777	#else
2778	#define INIT_GETNAMEINFO
2779	#endif
2780
2781	#if SANITIZER_INTERCEPT_GETSOCKNAME
2782	INTERCEPTOR(int, getsockname, int sock_fd, void *addr, unsigned *addrlen) {
2783	void *ctx;
2784	COMMON_INTERCEPTOR_ENTER(ctx, getsockname, sock_fd, addr, addrlen);
2785	unsigned addr_sz;
2786	if (addrlen) {
2787	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
2788	addr_sz = *addrlen;
2789	}
2790	// FIXME: under ASan the call below may write to freed memory and corrupt
2791	// its metadata. See
2792	// https://github.com/google/sanitizers/issues/321.
2793	int res = REAL(getsockname)(sock_fd, addr, addrlen);
2794	if (!res && addr && addrlen) {
2795	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen));
2796	}
2797	return res;
2798	}
2799	#define INIT_GETSOCKNAME COMMON_INTERCEPT_FUNCTION(getsockname);
2800	#else
2801	#define INIT_GETSOCKNAME
2802	#endif
2803
2804	#if SANITIZER_INTERCEPT_GETHOSTBYNAME || SANITIZER_INTERCEPT_GETHOSTBYNAME_R
2805	static void write_hostent(void *ctx, struct __sanitizer_hostent *h) {
2806	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h, sizeof(__sanitizer_hostent));
2807	if (h->h_name)
2808	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h->h_name, internal_strlen(h->h_name) + 1);
2809	char **p = h->h_aliases;
2810	while (*p) {
2811	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, internal_strlen(*p) + 1);
2812	++p;
2813	}
2814	COMMON_INTERCEPTOR_WRITE_RANGE(
2815	ctx, h->h_aliases, (p - h->h_aliases + 1) * sizeof(*h->h_aliases));
2816	p = h->h_addr_list;
2817	while (*p) {
2818	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, h->h_length);
2819	++p;
2820	}
2821	COMMON_INTERCEPTOR_WRITE_RANGE(
2822	ctx, h->h_addr_list, (p - h->h_addr_list + 1) * sizeof(*h->h_addr_list));
2823	}
2824	#endif
2825
2826	#if SANITIZER_INTERCEPT_GETHOSTBYNAME
2827	INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname, char *name) {
2828	void *ctx;
2829	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname, name);
2830	struct __sanitizer_hostent *res = REAL(gethostbyname)(name);
2831	if (res) write_hostent(ctx, h: res);
2832	return res;
2833	}
2834
2835	INTERCEPTOR(struct __sanitizer_hostent *, gethostbyaddr, void *addr, int len,
2836	int type) {
2837	void *ctx;
2838	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr, addr, len, type);
2839	COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
2840	struct __sanitizer_hostent *res = REAL(gethostbyaddr)(addr, len, type);
2841	if (res) write_hostent(ctx, h: res);
2842	return res;
2843	}
2844
2845	INTERCEPTOR(struct __sanitizer_hostent *, gethostent, int fake) {
2846	void *ctx;
2847	COMMON_INTERCEPTOR_ENTER(ctx, gethostent, fake);
2848	struct __sanitizer_hostent *res = REAL(gethostent)(fake);
2849	if (res) write_hostent(ctx, h: res);
2850	return res;
2851	}
2852	#define INIT_GETHOSTBYNAME \
2853	COMMON_INTERCEPT_FUNCTION(gethostent); \
2854	COMMON_INTERCEPT_FUNCTION(gethostbyaddr); \
2855	COMMON_INTERCEPT_FUNCTION(gethostbyname);
2856	#else
2857	#define INIT_GETHOSTBYNAME
2858	#endif // SANITIZER_INTERCEPT_GETHOSTBYNAME
2859
2860	#if SANITIZER_INTERCEPT_GETHOSTBYNAME2
2861	INTERCEPTOR(struct __sanitizer_hostent *, gethostbyname2, char *name, int af) {
2862	void *ctx;
2863	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2, name, af);
2864	struct __sanitizer_hostent *res = REAL(gethostbyname2)(name, af);
2865	if (res) write_hostent(ctx, h: res);
2866	return res;
2867	}
2868	#define INIT_GETHOSTBYNAME2 COMMON_INTERCEPT_FUNCTION(gethostbyname2);
2869	#else
2870	#define INIT_GETHOSTBYNAME2
2871	#endif // SANITIZER_INTERCEPT_GETHOSTBYNAME2
2872
2873	#if SANITIZER_INTERCEPT_GETHOSTBYNAME_R
2874	INTERCEPTOR(int, gethostbyname_r, char *name, struct __sanitizer_hostent *ret,
2875	char *buf, SIZE_T buflen, __sanitizer_hostent **result,
2876	int *h_errnop) {
2877	void *ctx;
2878	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname_r, name, ret, buf, buflen, result,
2879	h_errnop);
2880	// FIXME: under ASan the call below may write to freed memory and corrupt
2881	// its metadata. See
2882	// https://github.com/google/sanitizers/issues/321.
2883	int res = REAL(gethostbyname_r)(name, ret, buf, buflen, result, h_errnop);
2884	if (result) {
2885	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2886	if (res == 0 && *result) write_hostent(ctx, h: *result);
2887	}
2888	if (h_errnop)
2889	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
2890	return res;
2891	}
2892	#define INIT_GETHOSTBYNAME_R COMMON_INTERCEPT_FUNCTION(gethostbyname_r);
2893	#else
2894	#define INIT_GETHOSTBYNAME_R
2895	#endif
2896
2897	#if SANITIZER_INTERCEPT_GETHOSTENT_R
2898	INTERCEPTOR(int, gethostent_r, struct __sanitizer_hostent *ret, char *buf,
2899	SIZE_T buflen, __sanitizer_hostent **result, int *h_errnop) {
2900	void *ctx;
2901	COMMON_INTERCEPTOR_ENTER(ctx, gethostent_r, ret, buf, buflen, result,
2902	h_errnop);
2903	// FIXME: under ASan the call below may write to freed memory and corrupt
2904	// its metadata. See
2905	// https://github.com/google/sanitizers/issues/321.
2906	int res = REAL(gethostent_r)(ret, buf, buflen, result, h_errnop);
2907	if (result) {
2908	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2909	if (res == 0 && *result) write_hostent(ctx, h: *result);
2910	}
2911	if (h_errnop)
2912	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
2913	return res;
2914	}
2915	#define INIT_GETHOSTENT_R \
2916	COMMON_INTERCEPT_FUNCTION(gethostent_r);
2917	#else
2918	#define INIT_GETHOSTENT_R
2919	#endif
2920
2921	#if SANITIZER_INTERCEPT_GETHOSTBYADDR_R
2922	INTERCEPTOR(int, gethostbyaddr_r, void *addr, int len, int type,
2923	struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen,
2924	__sanitizer_hostent **result, int *h_errnop) {
2925	void *ctx;
2926	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyaddr_r, addr, len, type, ret, buf,
2927	buflen, result, h_errnop);
2928	COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, len);
2929	// FIXME: under ASan the call below may write to freed memory and corrupt
2930	// its metadata. See
2931	// https://github.com/google/sanitizers/issues/321.
2932	int res = REAL(gethostbyaddr_r)(addr, len, type, ret, buf, buflen, result,
2933	h_errnop);
2934	if (result) {
2935	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2936	if (res == 0 && *result) write_hostent(ctx, h: *result);
2937	}
2938	if (h_errnop)
2939	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
2940	return res;
2941	}
2942	#define INIT_GETHOSTBYADDR_R \
2943	COMMON_INTERCEPT_FUNCTION(gethostbyaddr_r);
2944	#else
2945	#define INIT_GETHOSTBYADDR_R
2946	#endif
2947
2948	#if SANITIZER_INTERCEPT_GETHOSTBYNAME2_R
2949	INTERCEPTOR(int, gethostbyname2_r, char *name, int af,
2950	struct __sanitizer_hostent *ret, char *buf, SIZE_T buflen,
2951	__sanitizer_hostent **result, int *h_errnop) {
2952	void *ctx;
2953	COMMON_INTERCEPTOR_ENTER(ctx, gethostbyname2_r, name, af, ret, buf, buflen,
2954	result, h_errnop);
2955	// FIXME: under ASan the call below may write to freed memory and corrupt
2956	// its metadata. See
2957	// https://github.com/google/sanitizers/issues/321.
2958	int res =
2959	REAL(gethostbyname2_r)(name, af, ret, buf, buflen, result, h_errnop);
2960	if (result) {
2961	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
2962	if (res == 0 && *result) write_hostent(ctx, h: *result);
2963	}
2964	if (h_errnop)
2965	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, h_errnop, sizeof(*h_errnop));
2966	return res;
2967	}
2968	#define INIT_GETHOSTBYNAME2_R \
2969	COMMON_INTERCEPT_FUNCTION(gethostbyname2_r);
2970	#else
2971	#define INIT_GETHOSTBYNAME2_R
2972	#endif
2973
2974	#if SANITIZER_INTERCEPT_GETSOCKOPT
2975	INTERCEPTOR(int, getsockopt, int sockfd, int level, int optname, void *optval,
2976	int *optlen) {
2977	void *ctx;
2978	COMMON_INTERCEPTOR_ENTER(ctx, getsockopt, sockfd, level, optname, optval,
2979	optlen);
2980	if (optlen) COMMON_INTERCEPTOR_READ_RANGE(ctx, optlen, sizeof(*optlen));
2981	// FIXME: under ASan the call below may write to freed memory and corrupt
2982	// its metadata. See
2983	// https://github.com/google/sanitizers/issues/321.
2984	int res = REAL(getsockopt)(sockfd, level, optname, optval, optlen);
2985	if (res == 0)
2986	if (optval && optlen) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, optval, *optlen);
2987	return res;
2988	}
2989	#define INIT_GETSOCKOPT COMMON_INTERCEPT_FUNCTION(getsockopt);
2990	#else
2991	#define INIT_GETSOCKOPT
2992	#endif
2993
2994	#if SANITIZER_INTERCEPT_ACCEPT
2995	INTERCEPTOR(int, accept, int fd, void *addr, unsigned *addrlen) {
2996	void *ctx;
2997	COMMON_INTERCEPTOR_ENTER(ctx, accept, fd, addr, addrlen);
2998	unsigned addrlen0 = 0;
2999	if (addrlen) {
3000	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3001	addrlen0 = *addrlen;
3002	}
3003	int fd2 = COMMON_INTERCEPTOR_BLOCK_REAL(accept)(fd, addr, addrlen);
3004	if (fd2 >= 0) {
3005	if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
3006	if (addr && addrlen)
3007	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
3008	}
3009	return fd2;
3010	}
3011	#define INIT_ACCEPT COMMON_INTERCEPT_FUNCTION(accept);
3012	#else
3013	#define INIT_ACCEPT
3014	#endif
3015
3016	#if SANITIZER_INTERCEPT_ACCEPT4
3017	INTERCEPTOR(int, accept4, int fd, void *addr, unsigned *addrlen, int f) {
3018	void *ctx;
3019	COMMON_INTERCEPTOR_ENTER(ctx, accept4, fd, addr, addrlen, f);
3020	unsigned addrlen0 = 0;
3021	if (addrlen) {
3022	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3023	addrlen0 = *addrlen;
3024	}
3025	// FIXME: under ASan the call below may write to freed memory and corrupt
3026	// its metadata. See
3027	// https://github.com/google/sanitizers/issues/321.
3028	int fd2 = COMMON_INTERCEPTOR_BLOCK_REAL(accept4)(fd, addr, addrlen, f);
3029	if (fd2 >= 0) {
3030	if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
3031	if (addr && addrlen)
3032	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
3033	}
3034	return fd2;
3035	}
3036	#define INIT_ACCEPT4 COMMON_INTERCEPT_FUNCTION(accept4);
3037	#else
3038	#define INIT_ACCEPT4
3039	#endif
3040
3041	#if SANITIZER_INTERCEPT_PACCEPT
3042	INTERCEPTOR(int, paccept, int fd, void *addr, unsigned *addrlen,
3043	__sanitizer_sigset_t *set, int f) {
3044	void *ctx;
3045	COMMON_INTERCEPTOR_ENTER(ctx, paccept, fd, addr, addrlen, set, f);
3046	unsigned addrlen0 = 0;
3047	if (addrlen) {
3048	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3049	addrlen0 = *addrlen;
3050	}
3051	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
3052	int fd2 = COMMON_INTERCEPTOR_BLOCK_REAL(paccept)(fd, addr, addrlen, set, f);
3053	if (fd2 >= 0) {
3054	if (fd >= 0) COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, fd2);
3055	if (addr && addrlen)
3056	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(*addrlen, addrlen0));
3057	}
3058	return fd2;
3059	}
3060	#define INIT_PACCEPT COMMON_INTERCEPT_FUNCTION(paccept);
3061	#else
3062	#define INIT_PACCEPT
3063	#endif
3064
3065	#if SANITIZER_INTERCEPT_MODF
3066	INTERCEPTOR(double, modf, double x, double *iptr) {
3067	void *ctx;
3068	COMMON_INTERCEPTOR_ENTER(ctx, modf, x, iptr);
3069	// FIXME: under ASan the call below may write to freed memory and corrupt
3070	// its metadata. See
3071	// https://github.com/google/sanitizers/issues/321.
3072	double res = REAL(modf)(x, iptr);
3073	if (iptr) {
3074	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
3075	}
3076	return res;
3077	}
3078	INTERCEPTOR(float, modff, float x, float *iptr) {
3079	void *ctx;
3080	COMMON_INTERCEPTOR_ENTER(ctx, modff, x, iptr);
3081	// FIXME: under ASan the call below may write to freed memory and corrupt
3082	// its metadata. See
3083	// https://github.com/google/sanitizers/issues/321.
3084	float res = REAL(modff)(x, iptr);
3085	if (iptr) {
3086	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
3087	}
3088	return res;
3089	}
3090	INTERCEPTOR(long double, modfl, long double x, long double *iptr) {
3091	void *ctx;
3092	COMMON_INTERCEPTOR_ENTER(ctx, modfl, x, iptr);
3093	// FIXME: under ASan the call below may write to freed memory and corrupt
3094	// its metadata. See
3095	// https://github.com/google/sanitizers/issues/321.
3096	long double res = REAL(modfl)(x, iptr);
3097	if (iptr) {
3098	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iptr, sizeof(*iptr));
3099	}
3100	return res;
3101	}
3102	#define INIT_MODF \
3103	COMMON_INTERCEPT_FUNCTION(modf); \
3104	COMMON_INTERCEPT_FUNCTION(modff); \
3105	COMMON_INTERCEPT_FUNCTION_LDBL(modfl);
3106	#else
3107	#define INIT_MODF
3108	#endif
3109
3110	#if SANITIZER_INTERCEPT_RECVMSG || SANITIZER_INTERCEPT_RECVMMSG
3111	static void write_msghdr(void *ctx, struct __sanitizer_msghdr *msg,
3112	SSIZE_T maxlen) {
3113	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg, sizeof(*msg));
3114	if (msg->msg_name && msg->msg_namelen)
3115	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_name, msg->msg_namelen);
3116	if (msg->msg_iov && msg->msg_iovlen)
3117	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_iov,
3118	sizeof(*msg->msg_iov) * msg->msg_iovlen);
3119	write_iovec(ctx, iovec: msg->msg_iov, iovlen: msg->msg_iovlen, maxlen);
3120	if (msg->msg_control && msg->msg_controllen)
3121	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msg->msg_control, msg->msg_controllen);
3122	}
3123	#endif
3124
3125	#if SANITIZER_INTERCEPT_RECVMSG
3126	INTERCEPTOR(SSIZE_T, recvmsg, int fd, struct __sanitizer_msghdr *msg,
3127	int flags) {
3128	void *ctx;
3129	COMMON_INTERCEPTOR_ENTER(ctx, recvmsg, fd, msg, flags);
3130	// FIXME: under ASan the call below may write to freed memory and corrupt
3131	// its metadata. See
3132	// https://github.com/google/sanitizers/issues/321.
3133	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(recvmsg)(fd, msg, flags);
3134	if (res >= 0) {
3135	if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
3136	if (msg) {
3137	write_msghdr(ctx, msg, maxlen: res);
3138	COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg);
3139	}
3140	}
3141	return res;
3142	}
3143	#define INIT_RECVMSG COMMON_INTERCEPT_FUNCTION(recvmsg);
3144	#else
3145	#define INIT_RECVMSG
3146	#endif
3147
3148	#if SANITIZER_INTERCEPT_RECVMMSG
3149	INTERCEPTOR(int, recvmmsg, int fd, struct __sanitizer_mmsghdr *msgvec,
3150	unsigned int vlen, int flags, void *timeout) {
3151	void *ctx;
3152	COMMON_INTERCEPTOR_ENTER(ctx, recvmmsg, fd, msgvec, vlen, flags, timeout);
3153	if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz);
3154	int res =
3155	COMMON_INTERCEPTOR_BLOCK_REAL(recvmmsg)(fd, msgvec, vlen, flags, timeout);
3156	if (res >= 0) {
3157	if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
3158	for (int i = 0; i < res; ++i) {
3159	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &msgvec[i].msg_len,
3160	sizeof(msgvec[i].msg_len));
3161	write_msghdr(ctx, msg: &msgvec[i].msg_hdr, maxlen: msgvec[i].msg_len);
3162	COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, &msgvec[i].msg_hdr);
3163	}
3164	}
3165	return res;
3166	}
3167	#define INIT_RECVMMSG COMMON_INTERCEPT_FUNCTION(recvmmsg);
3168	#else
3169	#define INIT_RECVMMSG
3170	#endif
3171
3172	#if SANITIZER_INTERCEPT_SENDMSG || SANITIZER_INTERCEPT_SENDMMSG
3173	static void read_msghdr_control(void *ctx, void *control, uptr controllen) {
3174	const unsigned kCmsgDataOffset =
3175	RoundUpTo(size: sizeof(__sanitizer_cmsghdr), boundary: sizeof(uptr));
3176
3177	char *p = (char *)control;
3178	char *const control_end = p + controllen;
3179	while (true) {
3180	if (p + sizeof(__sanitizer_cmsghdr) > control_end) break;
3181	__sanitizer_cmsghdr *cmsg = (__sanitizer_cmsghdr *)p;
3182	COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_len, sizeof(cmsg->cmsg_len));
3183
3184	if (p + RoundUpTo(size: cmsg->cmsg_len, boundary: sizeof(uptr)) > control_end) break;
3185
3186	COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_level,
3187	sizeof(cmsg->cmsg_level));
3188	COMMON_INTERCEPTOR_READ_RANGE(ctx, &cmsg->cmsg_type,
3189	sizeof(cmsg->cmsg_type));
3190
3191	if (cmsg->cmsg_len > kCmsgDataOffset) {
3192	char *data = p + kCmsgDataOffset;
3193	unsigned data_len = cmsg->cmsg_len - kCmsgDataOffset;
3194	if (data_len > 0) COMMON_INTERCEPTOR_READ_RANGE(ctx, data, data_len);
3195	}
3196
3197	p += RoundUpTo(size: cmsg->cmsg_len, boundary: sizeof(uptr));
3198	}
3199	}
3200
3201	static void read_msghdr(void *ctx, struct __sanitizer_msghdr *msg,
3202	SSIZE_T maxlen) {
3203	#define R(f) \
3204	COMMON_INTERCEPTOR_READ_RANGE(ctx, &msg->msg_##f, sizeof(msg->msg_##f))
3205	R(name);
3206	R(namelen);
3207	R(iov);
3208	R(iovlen);
3209	R(control);
3210	R(controllen);
3211	R(flags);
3212	#undef R
3213	if (msg->msg_name && msg->msg_namelen)
3214	COMMON_INTERCEPTOR_READ_RANGE(ctx, msg->msg_name, msg->msg_namelen);
3215	if (msg->msg_iov && msg->msg_iovlen)
3216	COMMON_INTERCEPTOR_READ_RANGE(ctx, msg->msg_iov,
3217	sizeof(*msg->msg_iov) * msg->msg_iovlen);
3218	read_iovec(ctx, iovec: msg->msg_iov, iovlen: msg->msg_iovlen, maxlen);
3219	if (msg->msg_control && msg->msg_controllen)
3220	read_msghdr_control(ctx, control: msg->msg_control, controllen: msg->msg_controllen);
3221	}
3222	#endif
3223
3224	#if SANITIZER_INTERCEPT_SENDMSG
3225	INTERCEPTOR(SSIZE_T, sendmsg, int fd, struct __sanitizer_msghdr *msg,
3226	int flags) {
3227	void *ctx;
3228	COMMON_INTERCEPTOR_ENTER(ctx, sendmsg, fd, msg, flags);
3229	if (fd >= 0) {
3230	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
3231	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
3232	}
3233	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(sendmsg)(fd, msg, flags);
3234	if (common_flags()->intercept_send && res >= 0 && msg)
3235	read_msghdr(ctx, msg, maxlen: res);
3236	return res;
3237	}
3238	#define INIT_SENDMSG COMMON_INTERCEPT_FUNCTION(sendmsg);
3239	#else
3240	#define INIT_SENDMSG
3241	#endif
3242
3243	#if SANITIZER_INTERCEPT_SENDMMSG
3244	INTERCEPTOR(int, sendmmsg, int fd, struct __sanitizer_mmsghdr *msgvec,
3245	unsigned vlen, int flags) {
3246	void *ctx;
3247	COMMON_INTERCEPTOR_ENTER(ctx, sendmmsg, fd, msgvec, vlen, flags);
3248	if (fd >= 0) {
3249	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
3250	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
3251	}
3252	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sendmmsg)(fd, msgvec, vlen, flags);
3253	if (res >= 0 && msgvec) {
3254	for (int i = 0; i < res; ++i) {
3255	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &msgvec[i].msg_len,
3256	sizeof(msgvec[i].msg_len));
3257	if (common_flags()->intercept_send)
3258	read_msghdr(ctx, msg: &msgvec[i].msg_hdr, maxlen: msgvec[i].msg_len);
3259	}
3260	}
3261	return res;
3262	}
3263	#define INIT_SENDMMSG COMMON_INTERCEPT_FUNCTION(sendmmsg);
3264	#else
3265	#define INIT_SENDMMSG
3266	#endif
3267
3268	#if SANITIZER_INTERCEPT_SYSMSG
3269	INTERCEPTOR(int, msgsnd, int msqid, const void *msgp, SIZE_T msgsz,
3270	int msgflg) {
3271	void *ctx;
3272	COMMON_INTERCEPTOR_ENTER(ctx, msgsnd, msqid, msgp, msgsz, msgflg);
3273	if (msgp)
3274	COMMON_INTERCEPTOR_READ_RANGE(ctx, msgp, sizeof(long) + msgsz);
3275	int res = COMMON_INTERCEPTOR_BLOCK_REAL(msgsnd)(msqid, msgp, msgsz, msgflg);
3276	return res;
3277	}
3278
3279	INTERCEPTOR(SSIZE_T, msgrcv, int msqid, void *msgp, SIZE_T msgsz,
3280	long msgtyp, int msgflg) {
3281	void *ctx;
3282	COMMON_INTERCEPTOR_ENTER(ctx, msgrcv, msqid, msgp, msgsz, msgtyp, msgflg);
3283	SSIZE_T len =
3284	COMMON_INTERCEPTOR_BLOCK_REAL(msgrcv)(msqid, msgp, msgsz, msgtyp, msgflg);
3285	if (len != -1)
3286	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, msgp, sizeof(long) + len);
3287	return len;
3288	}
3289
3290	#define INIT_SYSMSG \
3291	COMMON_INTERCEPT_FUNCTION(msgsnd); \
3292	COMMON_INTERCEPT_FUNCTION(msgrcv);
3293	#else
3294	#define INIT_SYSMSG
3295	#endif
3296
3297	#if SANITIZER_INTERCEPT_GETPEERNAME
3298	INTERCEPTOR(int, getpeername, int sockfd, void *addr, unsigned *addrlen) {
3299	void *ctx;
3300	COMMON_INTERCEPTOR_ENTER(ctx, getpeername, sockfd, addr, addrlen);
3301	unsigned addr_sz;
3302	if (addrlen) {
3303	COMMON_INTERCEPTOR_READ_RANGE(ctx, addrlen, sizeof(*addrlen));
3304	addr_sz = *addrlen;
3305	}
3306	// FIXME: under ASan the call below may write to freed memory and corrupt
3307	// its metadata. See
3308	// https://github.com/google/sanitizers/issues/321.
3309	int res = REAL(getpeername)(sockfd, addr, addrlen);
3310	if (!res && addr && addrlen) {
3311	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, Min(addr_sz, *addrlen));
3312	}
3313	return res;
3314	}
3315	#define INIT_GETPEERNAME COMMON_INTERCEPT_FUNCTION(getpeername);
3316	#else
3317	#define INIT_GETPEERNAME
3318	#endif
3319
3320	#if SANITIZER_INTERCEPT_SYSINFO
3321	INTERCEPTOR(int, sysinfo, void *info) {
3322	void *ctx;
3323	// FIXME: under ASan the call below may write to freed memory and corrupt
3324	// its metadata. See
3325	// https://github.com/google/sanitizers/issues/321.
3326	COMMON_INTERCEPTOR_ENTER(ctx, sysinfo, info);
3327	int res = REAL(sysinfo)(info);
3328	if (!res && info)
3329	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, struct_sysinfo_sz);
3330	return res;
3331	}
3332	#define INIT_SYSINFO COMMON_INTERCEPT_FUNCTION(sysinfo);
3333	#else
3334	#define INIT_SYSINFO
3335	#endif
3336
3337	#if SANITIZER_INTERCEPT_READDIR
3338	INTERCEPTOR(__sanitizer_dirent *, opendir, const char *path) {
3339	void *ctx;
3340	COMMON_INTERCEPTOR_ENTER(ctx, opendir, path);
3341	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
3342	__sanitizer_dirent *res = REAL(opendir)(path);
3343	if (res)
3344	COMMON_INTERCEPTOR_DIR_ACQUIRE(ctx, path);
3345	return res;
3346	}
3347
3348	INTERCEPTOR(__sanitizer_dirent *, readdir, void *dirp) {
3349	void *ctx;
3350	COMMON_INTERCEPTOR_ENTER(ctx, readdir, dirp);
3351	// FIXME: under ASan the call below may write to freed memory and corrupt
3352	// its metadata. See
3353	// https://github.com/google/sanitizers/issues/321.
3354	__sanitizer_dirent *res = REAL(readdir)(dirp);
3355	if (res)
3356	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer_dirsiz(res));
3357	return res;
3358	}
3359
3360	INTERCEPTOR(int, readdir_r, void *dirp, __sanitizer_dirent *entry,
3361	__sanitizer_dirent **result) {
3362	void *ctx;
3363	COMMON_INTERCEPTOR_ENTER(ctx, readdir_r, dirp, entry, result);
3364	// FIXME: under ASan the call below may write to freed memory and corrupt
3365	// its metadata. See
3366	// https://github.com/google/sanitizers/issues/321.
3367	int res = REAL(readdir_r)(dirp, entry, result);
3368	if (!res) {
3369	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3370	if (*result)
3371	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, __sanitizer_dirsiz(*result));
3372	}
3373	return res;
3374	}
3375
3376	#define INIT_READDIR \
3377	COMMON_INTERCEPT_FUNCTION(opendir); \
3378	COMMON_INTERCEPT_FUNCTION(readdir); \
3379	COMMON_INTERCEPT_FUNCTION(readdir_r);
3380	#else
3381	#define INIT_READDIR
3382	#endif
3383
3384	#if SANITIZER_INTERCEPT_READDIR64
3385	INTERCEPTOR(__sanitizer_dirent64 *, readdir64, void *dirp) {
3386	void *ctx;
3387	COMMON_INTERCEPTOR_ENTER(ctx, readdir64, dirp);
3388	// FIXME: under ASan the call below may write to freed memory and corrupt
3389	// its metadata. See
3390	// https://github.com/google/sanitizers/issues/321.
3391	__sanitizer_dirent64 *res = REAL(readdir64)(dirp);
3392	if (res)
3393	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer_dirsiz(res));
3394	return res;
3395	}
3396
3397	INTERCEPTOR(int, readdir64_r, void *dirp, __sanitizer_dirent64 *entry,
3398	__sanitizer_dirent64 **result) {
3399	void *ctx;
3400	COMMON_INTERCEPTOR_ENTER(ctx, readdir64_r, dirp, entry, result);
3401	// FIXME: under ASan the call below may write to freed memory and corrupt
3402	// its metadata. See
3403	// https://github.com/google/sanitizers/issues/321.
3404	int res = REAL(readdir64_r)(dirp, entry, result);
3405	if (!res) {
3406	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
3407	if (*result)
3408	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *result, __sanitizer_dirsiz(*result));
3409	}
3410	return res;
3411	}
3412	#define INIT_READDIR64 \
3413	COMMON_INTERCEPT_FUNCTION(readdir64); \
3414	COMMON_INTERCEPT_FUNCTION(readdir64_r);
3415	#else
3416	#define INIT_READDIR64
3417	#endif
3418
3419	#if SANITIZER_INTERCEPT_PTRACE
3420	INTERCEPTOR(uptr, ptrace, int request, int pid, void *addr, void *data) {
3421	void *ctx;
3422	COMMON_INTERCEPTOR_ENTER(ctx, ptrace, request, pid, addr, data);
3423	__sanitizer_iovec local_iovec;
3424
3425	if (data) {
3426	if (request == ptrace_setregs) {
3427	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_regs_struct_sz);
3428	} else if (request == ptrace_setfpregs) {
3429	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpregs_struct_sz);
3430	} else if (request == ptrace_setfpxregs) {
3431	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_fpxregs_struct_sz);
3432	} else if (request == ptrace_setvfpregs) {
3433	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, struct_user_vfpregs_struct_sz);
3434	} else if (request == ptrace_setsiginfo) {
3435	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, siginfo_t_sz);
3436
3437	// Some kernel might zero the iovec::iov_base in case of invalid
3438	// write access. In this case copy the invalid address for further
3439	// inspection.
3440	} else if (request == ptrace_setregset || request == ptrace_getregset) {
3441	__sanitizer_iovec *iovec = (__sanitizer_iovec*)data;
3442	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec, sizeof(*iovec));
3443	local_iovec = *iovec;
3444	if (request == ptrace_setregset)
3445	COMMON_INTERCEPTOR_READ_RANGE(ctx, iovec->iov_base, iovec->iov_len);
3446	}
3447	}
3448
3449	// FIXME: under ASan the call below may write to freed memory and corrupt
3450	// its metadata. See
3451	// https://github.com/google/sanitizers/issues/321.
3452	uptr res = REAL(ptrace)(request, pid, addr, data);
3453
3454	if (!res && data) {
3455	// Note that PEEK* requests assign different meaning to the return value.
3456	// This function does not handle them (nor does it need to).
3457	if (request == ptrace_getregs) {
3458	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_regs_struct_sz);
3459	} else if (request == ptrace_getfpregs) {
3460	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpregs_struct_sz);
3461	} else if (request == ptrace_getfpxregs) {
3462	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_fpxregs_struct_sz);
3463	} else if (request == ptrace_getvfpregs) {
3464	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, struct_user_vfpregs_struct_sz);
3465	} else if (request == ptrace_getsiginfo) {
3466	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, siginfo_t_sz);
3467	} else if (request == ptrace_geteventmsg) {
3468	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(unsigned long));
3469	} else if (request == ptrace_getregset) {
3470	__sanitizer_iovec *iovec = (__sanitizer_iovec*)data;
3471	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, iovec, sizeof(*iovec));
3472	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, local_iovec.iov_base,
3473	local_iovec.iov_len);
3474	}
3475	}
3476	return res;
3477	}
3478
3479	#define INIT_PTRACE COMMON_INTERCEPT_FUNCTION(ptrace);
3480	#else
3481	#define INIT_PTRACE
3482	#endif
3483
3484	#if SANITIZER_INTERCEPT_SETLOCALE
3485	static void unpoison_ctype_arrays(void *ctx) {
3486	#if SANITIZER_NETBSD
3487	// These arrays contain 256 regular elements in unsigned char range + 1 EOF
3488	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _ctype_tab_, 257 * sizeof(short));
3489	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _toupper_tab_, 257 * sizeof(short));
3490	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, _tolower_tab_, 257 * sizeof(short));
3491	#endif
3492	}
3493
3494	INTERCEPTOR(char *, setlocale, int category, char *locale) {
3495	void *ctx;
3496	COMMON_INTERCEPTOR_ENTER(ctx, setlocale, category, locale);
3497	if (locale)
3498	COMMON_INTERCEPTOR_READ_RANGE(ctx, locale, internal_strlen(locale) + 1);
3499	char *res = REAL(setlocale)(category, locale);
3500	if (res) {
3501	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
3502	unpoison_ctype_arrays(ctx);
3503	}
3504	return res;
3505	}
3506
3507	#define INIT_SETLOCALE COMMON_INTERCEPT_FUNCTION(setlocale);
3508	#else
3509	#define INIT_SETLOCALE
3510	#endif
3511
3512	#if SANITIZER_INTERCEPT_GETCWD
3513	INTERCEPTOR(char *, getcwd, char *buf, SIZE_T size) {
3514	void *ctx;
3515	COMMON_INTERCEPTOR_ENTER(ctx, getcwd, buf, size);
3516	// FIXME: under ASan the call below may write to freed memory and corrupt
3517	// its metadata. See
3518	// https://github.com/google/sanitizers/issues/321.
3519	char *res = REAL(getcwd)(buf, size);
3520	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3521	return res;
3522	}
3523	#define INIT_GETCWD COMMON_INTERCEPT_FUNCTION(getcwd);
3524	#else
3525	#define INIT_GETCWD
3526	#endif
3527
3528	#if SANITIZER_INTERCEPT_GET_CURRENT_DIR_NAME
3529	INTERCEPTOR(char *, get_current_dir_name, int fake) {
3530	void *ctx;
3531	COMMON_INTERCEPTOR_ENTER(ctx, get_current_dir_name, fake);
3532	// FIXME: under ASan the call below may write to freed memory and corrupt
3533	// its metadata. See
3534	// https://github.com/google/sanitizers/issues/321.
3535	char *res = REAL(get_current_dir_name)(fake);
3536	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3537	return res;
3538	}
3539
3540	#define INIT_GET_CURRENT_DIR_NAME \
3541	COMMON_INTERCEPT_FUNCTION(get_current_dir_name);
3542	#else
3543	#define INIT_GET_CURRENT_DIR_NAME
3544	#endif
3545
3546	UNUSED static inline void FixRealStrtolEndptr(const char *nptr, char **endptr) {
3547	CHECK(endptr);
3548	if (nptr == *endptr) {
3549	// No digits were found at strtol call, we need to find out the last
3550	// symbol accessed by strtoll on our own.
3551	// We get this symbol by skipping leading blanks and optional +/- sign.
3552	while (IsSpace(c: *nptr)) nptr++;
3553	if (*nptr == '+' || *nptr == '-') nptr++;
3554	*endptr = const_cast<char *>(nptr);
3555	}
3556	CHECK(*endptr >= nptr);
3557	}
3558
3559	UNUSED static inline void StrtolFixAndCheck(void *ctx, const char *nptr,
3560	char **endptr, char *real_endptr, int base) {
3561	if (endptr) {
3562	*endptr = real_endptr;
3563	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, endptr, sizeof(*endptr));
3564	}
3565	// If base has unsupported value, strtol can exit with EINVAL
3566	// without reading any characters. So do additional checks only
3567	// if base is valid.
3568	bool is_valid_base = (base == 0) || (2 <= base && base <= 36);
3569	if (is_valid_base) {
3570	FixRealStrtolEndptr(nptr, endptr: &real_endptr);
3571	}
3572	COMMON_INTERCEPTOR_READ_STRING(ctx, nptr, is_valid_base ?
3573	(real_endptr - nptr) + 1 : 0);
3574	}
3575
3576	#if SANITIZER_INTERCEPT_STRTOIMAX
3577	template <typename Fn>
3578	static ALWAYS_INLINE auto StrtoimaxImpl(void *ctx, Fn real, const char *nptr,
3579	char **endptr, int base)
3580	-> decltype(real(nullptr, nullptr, 0)) {
3581	char *real_endptr;
3582	auto res = real(nptr, &real_endptr, base);
3583	StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base);
3584	return res;
3585	}
3586
3587	INTERCEPTOR(INTMAX_T, strtoimax, const char *nptr, char **endptr, int base) {
3588	void *ctx;
3589	COMMON_INTERCEPTOR_ENTER(ctx, strtoimax, nptr, endptr, base);
3590	return StrtoimaxImpl(ctx, REAL(strtoimax), nptr, endptr, base);
3591	}
3592	INTERCEPTOR(UINTMAX_T, strtoumax, const char *nptr, char **endptr, int base) {
3593	void *ctx;
3594	COMMON_INTERCEPTOR_ENTER(ctx, strtoumax, nptr, endptr, base);
3595	return StrtoimaxImpl(ctx, REAL(strtoumax), nptr, endptr, base);
3596	}
3597
3598	#define INIT_STRTOIMAX \
3599	COMMON_INTERCEPT_FUNCTION(strtoimax); \
3600	COMMON_INTERCEPT_FUNCTION(strtoumax);
3601	#else
3602	#define INIT_STRTOIMAX
3603	#endif
3604
3605	#if SANITIZER_INTERCEPT_STRTOIMAX && SANITIZER_GLIBC
3606	INTERCEPTOR(INTMAX_T, __isoc23_strtoimax, const char *nptr, char **endptr, int base) {
3607	void *ctx;
3608	COMMON_INTERCEPTOR_ENTER(ctx, __isoc23_strtoimax, nptr, endptr, base);
3609	return StrtoimaxImpl(ctx, REAL(__isoc23_strtoimax), nptr, endptr, base);
3610	}
3611	INTERCEPTOR(UINTMAX_T, __isoc23_strtoumax, const char *nptr, char **endptr, int base) {
3612	void *ctx;
3613	COMMON_INTERCEPTOR_ENTER(ctx, __isoc23_strtoumax, nptr, endptr, base);
3614	return StrtoimaxImpl(ctx, REAL(__isoc23_strtoumax), nptr, endptr, base);
3615	}
3616
3617	# define INIT_STRTOIMAX_C23 \
3618	COMMON_INTERCEPT_FUNCTION(__isoc23_strtoimax); \
3619	COMMON_INTERCEPT_FUNCTION(__isoc23_strtoumax);
3620	#else
3621	# define INIT_STRTOIMAX_C23
3622	#endif
3623
3624	#if SANITIZER_INTERCEPT_MBSTOWCS
3625	INTERCEPTOR(SIZE_T, mbstowcs, wchar_t *dest, const char *src, SIZE_T len) {
3626	void *ctx;
3627	COMMON_INTERCEPTOR_ENTER(ctx, mbstowcs, dest, src, len);
3628	// FIXME: under ASan the call below may write to freed memory and corrupt
3629	// its metadata. See
3630	// https://github.com/google/sanitizers/issues/321.
3631	SIZE_T res = REAL(mbstowcs)(dest, src, len);
3632	if (res != (SIZE_T) - 1 && dest) {
3633	SIZE_T write_cnt = res + (res < len);
3634	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
3635	}
3636	return res;
3637	}
3638
3639	INTERCEPTOR(SIZE_T, mbsrtowcs, wchar_t *dest, const char **src, SIZE_T len,
3640	void *ps) {
3641	void *ctx;
3642	COMMON_INTERCEPTOR_ENTER(ctx, mbsrtowcs, dest, src, len, ps);
3643	if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3644	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3645	// FIXME: under ASan the call below may write to freed memory and corrupt
3646	// its metadata. See
3647	// https://github.com/google/sanitizers/issues/321.
3648	SIZE_T res = REAL(mbsrtowcs)(dest, src, len, ps);
3649	if (res != (SIZE_T)(-1) && dest && src) {
3650	// This function, and several others, may or may not write the terminating
3651	// \0 character. They write it iff they clear *src.
3652	SIZE_T write_cnt = res + !*src;
3653	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
3654	}
3655	return res;
3656	}
3657
3658	#define INIT_MBSTOWCS \
3659	COMMON_INTERCEPT_FUNCTION(mbstowcs); \
3660	COMMON_INTERCEPT_FUNCTION(mbsrtowcs);
3661	#else
3662	#define INIT_MBSTOWCS
3663	#endif
3664
3665	#if SANITIZER_INTERCEPT_MBSNRTOWCS
3666	INTERCEPTOR(SIZE_T, mbsnrtowcs, wchar_t *dest, const char **src, SIZE_T nms,
3667	SIZE_T len, void *ps) {
3668	void *ctx;
3669	COMMON_INTERCEPTOR_ENTER(ctx, mbsnrtowcs, dest, src, nms, len, ps);
3670	if (src) {
3671	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3672	if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms);
3673	}
3674	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3675	// FIXME: under ASan the call below may write to freed memory and corrupt
3676	// its metadata. See
3677	// https://github.com/google/sanitizers/issues/321.
3678	SIZE_T res = REAL(mbsnrtowcs)(dest, src, nms, len, ps);
3679	if (res != (SIZE_T)(-1) && dest && src) {
3680	SIZE_T write_cnt = res + !*src;
3681	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt * sizeof(wchar_t));
3682	}
3683	return res;
3684	}
3685
3686	#define INIT_MBSNRTOWCS COMMON_INTERCEPT_FUNCTION(mbsnrtowcs);
3687	#else
3688	#define INIT_MBSNRTOWCS
3689	#endif
3690
3691	#if SANITIZER_INTERCEPT_WCSTOMBS
3692	INTERCEPTOR(SIZE_T, wcstombs, char *dest, const wchar_t *src, SIZE_T len) {
3693	void *ctx;
3694	COMMON_INTERCEPTOR_ENTER(ctx, wcstombs, dest, src, len);
3695	// FIXME: under ASan the call below may write to freed memory and corrupt
3696	// its metadata. See
3697	// https://github.com/google/sanitizers/issues/321.
3698	SIZE_T res = REAL(wcstombs)(dest, src, len);
3699	if (res != (SIZE_T) - 1 && dest) {
3700	SIZE_T write_cnt = res + (res < len);
3701	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
3702	}
3703	return res;
3704	}
3705
3706	INTERCEPTOR(SIZE_T, wcsrtombs, char *dest, const wchar_t **src, SIZE_T len,
3707	void *ps) {
3708	void *ctx;
3709	COMMON_INTERCEPTOR_ENTER(ctx, wcsrtombs, dest, src, len, ps);
3710	if (src) COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3711	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3712	// FIXME: under ASan the call below may write to freed memory and corrupt
3713	// its metadata. See
3714	// https://github.com/google/sanitizers/issues/321.
3715	SIZE_T res = REAL(wcsrtombs)(dest, src, len, ps);
3716	if (res != (SIZE_T) - 1 && dest && src) {
3717	SIZE_T write_cnt = res + !*src;
3718	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
3719	}
3720	return res;
3721	}
3722
3723	#define INIT_WCSTOMBS \
3724	COMMON_INTERCEPT_FUNCTION(wcstombs); \
3725	COMMON_INTERCEPT_FUNCTION(wcsrtombs);
3726	#else
3727	#define INIT_WCSTOMBS
3728	#endif
3729
3730	#if SANITIZER_INTERCEPT_WCSNRTOMBS
3731	INTERCEPTOR(SIZE_T, wcsnrtombs, char *dest, const wchar_t **src, SIZE_T nms,
3732	SIZE_T len, void *ps) {
3733	void *ctx;
3734	COMMON_INTERCEPTOR_ENTER(ctx, wcsnrtombs, dest, src, nms, len, ps);
3735	if (src) {
3736	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
3737	if (nms) COMMON_INTERCEPTOR_READ_RANGE(ctx, *src, nms);
3738	}
3739	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3740	// FIXME: under ASan the call below may write to freed memory and corrupt
3741	// its metadata. See
3742	// https://github.com/google/sanitizers/issues/321.
3743	SIZE_T res = REAL(wcsnrtombs)(dest, src, nms, len, ps);
3744	if (res != ((SIZE_T)-1) && dest && src) {
3745	SIZE_T write_cnt = res + !*src;
3746	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, write_cnt);
3747	}
3748	return res;
3749	}
3750
3751	#define INIT_WCSNRTOMBS COMMON_INTERCEPT_FUNCTION(wcsnrtombs);
3752	#else
3753	#define INIT_WCSNRTOMBS
3754	#endif
3755
3756
3757	#if SANITIZER_INTERCEPT_WCRTOMB
3758	INTERCEPTOR(SIZE_T, wcrtomb, char *dest, wchar_t src, void *ps) {
3759	void *ctx;
3760	COMMON_INTERCEPTOR_ENTER(ctx, wcrtomb, dest, src, ps);
3761	if (ps) COMMON_INTERCEPTOR_READ_RANGE(ctx, ps, mbstate_t_sz);
3762
3763	if (!dest)
3764	return REAL(wcrtomb)(dest, src, ps);
3765
3766	char local_dest[32];
3767	SIZE_T res = REAL(wcrtomb)(local_dest, src, ps);
3768	if (res != ((SIZE_T)-1)) {
3769	CHECK_LE(res, sizeof(local_dest));
3770	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, res);
3771	REAL(memcpy)(dest, local_dest, res);
3772	}
3773	return res;
3774	}
3775
3776	#define INIT_WCRTOMB COMMON_INTERCEPT_FUNCTION(wcrtomb);
3777	#else
3778	#define INIT_WCRTOMB
3779	#endif
3780
3781	#if SANITIZER_INTERCEPT_WCTOMB
3782	INTERCEPTOR(int, wctomb, char *dest, wchar_t src) {
3783	void *ctx;
3784	COMMON_INTERCEPTOR_ENTER(ctx, wctomb, dest, src);
3785	if (!dest)
3786	return REAL(wctomb)(dest, src);
3787
3788	char local_dest[32];
3789	int res = REAL(wctomb)(local_dest, src);
3790	if (res != -1) {
3791	CHECK_LE(res, sizeof(local_dest));
3792	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, res);
3793	REAL(memcpy)(dest, local_dest, res);
3794	}
3795	return res;
3796	}
3797
3798	#define INIT_WCTOMB COMMON_INTERCEPT_FUNCTION(wctomb);
3799	#else
3800	#define INIT_WCTOMB
3801	#endif
3802
3803	#if SANITIZER_INTERCEPT_TCGETATTR
3804	INTERCEPTOR(int, tcgetattr, int fd, void *termios_p) {
3805	void *ctx;
3806	COMMON_INTERCEPTOR_ENTER(ctx, tcgetattr, fd, termios_p);
3807	// FIXME: under ASan the call below may write to freed memory and corrupt
3808	// its metadata. See
3809	// https://github.com/google/sanitizers/issues/321.
3810	int res = REAL(tcgetattr)(fd, termios_p);
3811	if (!res && termios_p)
3812	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, termios_p, struct_termios_sz);
3813	return res;
3814	}
3815
3816	#define INIT_TCGETATTR COMMON_INTERCEPT_FUNCTION(tcgetattr);
3817	#else
3818	#define INIT_TCGETATTR
3819	#endif
3820
3821	#if SANITIZER_INTERCEPT_REALPATH
3822	INTERCEPTOR(char *, realpath, const char *path, char *resolved_path) {
3823	void *ctx;
3824	COMMON_INTERCEPTOR_ENTER(ctx, realpath, path, resolved_path);
3825	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
3826
3827	// Workaround a bug in glibc where dlsym(RTLD_NEXT, ...) returns the oldest
3828	// version of a versioned symbol. For realpath(), this gives us something
3829	// (called __old_realpath) that does not handle NULL in the second argument.
3830	// Handle it as part of the interceptor.
3831	char *allocated_path = nullptr;
3832	if (!resolved_path)
3833	allocated_path = resolved_path = (char *)WRAP(malloc)(path_max + 1);
3834
3835	char *res = REAL(realpath)(path, resolved_path);
3836	if (allocated_path && !res)
3837	WRAP(free)(allocated_path);
3838	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3839	return res;
3840	}
3841	# define INIT_REALPATH COMMON_INTERCEPT_FUNCTION(realpath);
3842	#else
3843	#define INIT_REALPATH
3844	#endif
3845
3846	#if SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME
3847	INTERCEPTOR(char *, canonicalize_file_name, const char *path) {
3848	void *ctx;
3849	COMMON_INTERCEPTOR_ENTER(ctx, canonicalize_file_name, path);
3850	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
3851	char *res = REAL(canonicalize_file_name)(path);
3852	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3853	return res;
3854	}
3855	#define INIT_CANONICALIZE_FILE_NAME \
3856	COMMON_INTERCEPT_FUNCTION(canonicalize_file_name);
3857	#else
3858	#define INIT_CANONICALIZE_FILE_NAME
3859	#endif
3860
3861	#if SANITIZER_INTERCEPT_CONFSTR
3862	INTERCEPTOR(SIZE_T, confstr, int name, char *buf, SIZE_T len) {
3863	void *ctx;
3864	COMMON_INTERCEPTOR_ENTER(ctx, confstr, name, buf, len);
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(confstr)(name, buf, len);
3869	if (buf && res)
3870	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res < len ? res : len);
3871	return res;
3872	}
3873	#define INIT_CONFSTR COMMON_INTERCEPT_FUNCTION(confstr);
3874	#else
3875	#define INIT_CONFSTR
3876	#endif
3877
3878	#if SANITIZER_INTERCEPT_SCHED_GETAFFINITY
3879	INTERCEPTOR(int, sched_getaffinity, int pid, SIZE_T cpusetsize, void *mask) {
3880	void *ctx;
3881	COMMON_INTERCEPTOR_ENTER(ctx, sched_getaffinity, pid, cpusetsize, mask);
3882	// FIXME: under ASan the call below may write to freed memory and corrupt
3883	// its metadata. See
3884	// https://github.com/google/sanitizers/issues/321.
3885	int res = REAL(sched_getaffinity)(pid, cpusetsize, mask);
3886	if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize);
3887	return res;
3888	}
3889	#define INIT_SCHED_GETAFFINITY COMMON_INTERCEPT_FUNCTION(sched_getaffinity);
3890	#else
3891	#define INIT_SCHED_GETAFFINITY
3892	#endif
3893
3894	#if SANITIZER_INTERCEPT_SCHED_GETPARAM
3895	INTERCEPTOR(int, sched_getparam, int pid, void *param) {
3896	void *ctx;
3897	COMMON_INTERCEPTOR_ENTER(ctx, sched_getparam, pid, param);
3898	int res = REAL(sched_getparam)(pid, param);
3899	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, param, struct_sched_param_sz);
3900	return res;
3901	}
3902	#define INIT_SCHED_GETPARAM COMMON_INTERCEPT_FUNCTION(sched_getparam);
3903	#else
3904	#define INIT_SCHED_GETPARAM
3905	#endif
3906
3907	#if SANITIZER_INTERCEPT_STRERROR
3908	INTERCEPTOR(char *, strerror, int errnum) {
3909	void *ctx;
3910	COMMON_INTERCEPTOR_ENTER(ctx, strerror, errnum);
3911	COMMON_INTERCEPTOR_STRERROR();
3912	char *res = REAL(strerror)(errnum);
3913	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
3914	return res;
3915	}
3916	#define INIT_STRERROR COMMON_INTERCEPT_FUNCTION(strerror);
3917	#else
3918	#define INIT_STRERROR
3919	#endif
3920
3921	#if SANITIZER_INTERCEPT_STRERROR_R
3922	// There are 2 versions of strerror_r:
3923	// * POSIX version returns 0 on success, negative error code on failure,
3924	// writes message to buf.
3925	// * GNU version returns message pointer, which points to either buf or some
3926	// static storage.
3927	#if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE) || \
3928	SANITIZER_APPLE || SANITIZER_ANDROID || SANITIZER_NETBSD || \
3929	SANITIZER_FREEBSD
3930	// POSIX version. Spec is not clear on whether buf is NULL-terminated.
3931	// At least on OSX, buf contents are valid even when the call fails.
3932	INTERCEPTOR(int, strerror_r, int errnum, char *buf, SIZE_T buflen) {
3933	void *ctx;
3934	COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen);
3935	// FIXME: under ASan the call below may write to freed memory and corrupt
3936	// its metadata. See
3937	// https://github.com/google/sanitizers/issues/321.
3938	int res = REAL(strerror_r)(errnum, buf, buflen);
3939
3940	SIZE_T sz = internal_strnlen(buf, buflen);
3941	if (sz < buflen) ++sz;
3942	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz);
3943	return res;
3944	}
3945	#else
3946	// GNU version.
3947	INTERCEPTOR(char *, strerror_r, int errnum, char *buf, SIZE_T buflen) {
3948	void *ctx;
3949	COMMON_INTERCEPTOR_ENTER(ctx, strerror_r, errnum, buf, buflen);
3950	// FIXME: under ASan the call below may write to freed memory and corrupt
3951	// its metadata. See
3952	// https://github.com/google/sanitizers/issues/321.
3953	char *res = REAL(strerror_r)(errnum, buf, buflen);
3954	if (res == buf)
3955	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
3956	else
3957	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
3958	return res;
3959	}
3960	#endif //(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE ||
3961	//SANITIZER_APPLE
3962	#define INIT_STRERROR_R COMMON_INTERCEPT_FUNCTION(strerror_r);
3963	#else
3964	#define INIT_STRERROR_R
3965	#endif
3966
3967	#if SANITIZER_INTERCEPT_XPG_STRERROR_R
3968	INTERCEPTOR(int, __xpg_strerror_r, int errnum, char *buf, SIZE_T buflen) {
3969	void *ctx;
3970	COMMON_INTERCEPTOR_ENTER(ctx, __xpg_strerror_r, errnum, buf, buflen);
3971	// FIXME: under ASan the call below may write to freed memory and corrupt
3972	// its metadata. See
3973	// https://github.com/google/sanitizers/issues/321.
3974	int res = REAL(__xpg_strerror_r)(errnum, buf, buflen);
3975	// This version always returns a null-terminated string.
3976	if (buf && buflen)
3977	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, internal_strlen(buf) + 1);
3978	return res;
3979	}
3980	#define INIT_XPG_STRERROR_R COMMON_INTERCEPT_FUNCTION(__xpg_strerror_r);
3981	#else
3982	#define INIT_XPG_STRERROR_R
3983	#endif
3984
3985	#if SANITIZER_INTERCEPT_SCANDIR
3986	typedef int (*scandir_filter_f)(const struct __sanitizer_dirent *);
3987	typedef int (*scandir_compar_f)(const struct __sanitizer_dirent **,
3988	const struct __sanitizer_dirent **);
3989
3990	static THREADLOCAL scandir_filter_f scandir_filter;
3991	static THREADLOCAL scandir_compar_f scandir_compar;
3992
3993	static int wrapped_scandir_filter(const struct __sanitizer_dirent *dir) {
3994	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
3995	COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, __sanitizer_dirsiz(dir));
3996	return scandir_filter(dir);
3997	}
3998
3999	static int wrapped_scandir_compar(const struct __sanitizer_dirent **a,
4000	const struct __sanitizer_dirent **b) {
4001	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
4002	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a));
4003	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, __sanitizer_dirsiz(*a));
4004	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b));
4005	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, __sanitizer_dirsiz(*b));
4006	return scandir_compar(a, b);
4007	}
4008
4009	INTERCEPTOR(int, scandir, char *dirp, __sanitizer_dirent ***namelist,
4010	scandir_filter_f filter, scandir_compar_f compar) {
4011	void *ctx;
4012	COMMON_INTERCEPTOR_ENTER(ctx, scandir, dirp, namelist, filter, compar);
4013	if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, internal_strlen(dirp) + 1);
4014	scandir_filter = filter;
4015	scandir_compar = compar;
4016	// FIXME: under ASan the call below may write to freed memory and corrupt
4017	// its metadata. See
4018	// https://github.com/google/sanitizers/issues/321.
4019	int res = REAL(scandir)(dirp, namelist,
4020	filter ? wrapped_scandir_filter : nullptr,
4021	compar ? wrapped_scandir_compar : nullptr);
4022	scandir_filter = nullptr;
4023	scandir_compar = nullptr;
4024	if (namelist && res > 0) {
4025	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist));
4026	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res);
4027	for (int i = 0; i < res; ++i)
4028	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i],
4029	__sanitizer_dirsiz((*namelist)[i]));
4030	}
4031	return res;
4032	}
4033	#define INIT_SCANDIR COMMON_INTERCEPT_FUNCTION(scandir);
4034	#else
4035	#define INIT_SCANDIR
4036	#endif
4037
4038	#if SANITIZER_INTERCEPT_SCANDIR64
4039	typedef int (*scandir64_filter_f)(const struct __sanitizer_dirent64 *);
4040	typedef int (*scandir64_compar_f)(const struct __sanitizer_dirent64 **,
4041	const struct __sanitizer_dirent64 **);
4042
4043	static THREADLOCAL scandir64_filter_f scandir64_filter;
4044	static THREADLOCAL scandir64_compar_f scandir64_compar;
4045
4046	static int wrapped_scandir64_filter(const struct __sanitizer_dirent64 *dir) {
4047	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
4048	COMMON_INTERCEPTOR_INITIALIZE_RANGE(dir, __sanitizer_dirsiz(dir));
4049	return scandir64_filter(dir);
4050	}
4051
4052	static int wrapped_scandir64_compar(const struct __sanitizer_dirent64 **a,
4053	const struct __sanitizer_dirent64 **b) {
4054	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
4055	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, sizeof(*a));
4056	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*a, __sanitizer_dirsiz(*a));
4057	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, sizeof(*b));
4058	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*b, __sanitizer_dirsiz(*b));
4059	return scandir64_compar(a, b);
4060	}
4061
4062	INTERCEPTOR(int, scandir64, char *dirp, __sanitizer_dirent64 ***namelist,
4063	scandir64_filter_f filter, scandir64_compar_f compar) {
4064	void *ctx;
4065	COMMON_INTERCEPTOR_ENTER(ctx, scandir64, dirp, namelist, filter, compar);
4066	if (dirp) COMMON_INTERCEPTOR_READ_RANGE(ctx, dirp, internal_strlen(dirp) + 1);
4067	scandir64_filter = filter;
4068	scandir64_compar = compar;
4069	// FIXME: under ASan the call below may write to freed memory and corrupt
4070	// its metadata. See
4071	// https://github.com/google/sanitizers/issues/321.
4072	int res =
4073	REAL(scandir64)(dirp, namelist,
4074	filter ? wrapped_scandir64_filter : nullptr,
4075	compar ? wrapped_scandir64_compar : nullptr);
4076	scandir64_filter = nullptr;
4077	scandir64_compar = nullptr;
4078	if (namelist && res > 0) {
4079	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelist, sizeof(*namelist));
4080	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *namelist, sizeof(**namelist) * res);
4081	for (int i = 0; i < res; ++i)
4082	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (*namelist)[i],
4083	__sanitizer_dirsiz((*namelist)[i]));
4084	}
4085	return res;
4086	}
4087	#define INIT_SCANDIR64 COMMON_INTERCEPT_FUNCTION(scandir64);
4088	#else
4089	#define INIT_SCANDIR64
4090	#endif
4091
4092	#if SANITIZER_INTERCEPT_GETGROUPS
4093	INTERCEPTOR(int, getgroups, int size, u32 *lst) {
4094	void *ctx;
4095	COMMON_INTERCEPTOR_ENTER(ctx, getgroups, size, lst);
4096	// FIXME: under ASan the call below may write to freed memory and corrupt
4097	// its metadata. See
4098	// https://github.com/google/sanitizers/issues/321.
4099	int res = REAL(getgroups)(size, lst);
4100	if (res >= 0 && lst && size > 0)
4101	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lst, res * sizeof(*lst));
4102	return res;
4103	}
4104	#define INIT_GETGROUPS COMMON_INTERCEPT_FUNCTION(getgroups);
4105	#else
4106	#define INIT_GETGROUPS
4107	#endif
4108
4109	#if SANITIZER_INTERCEPT_POLL
4110	static void read_pollfd(void *ctx, __sanitizer_pollfd *fds,
4111	__sanitizer_nfds_t nfds) {
4112	for (unsigned i = 0; i < nfds; ++i) {
4113	COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].fd, sizeof(fds[i].fd));
4114	COMMON_INTERCEPTOR_READ_RANGE(ctx, &fds[i].events, sizeof(fds[i].events));
4115	}
4116	}
4117
4118	static void write_pollfd(void *ctx, __sanitizer_pollfd *fds,
4119	__sanitizer_nfds_t nfds) {
4120	for (unsigned i = 0; i < nfds; ++i)
4121	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &fds[i].revents,
4122	sizeof(fds[i].revents));
4123	}
4124
4125	INTERCEPTOR(int, poll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds,
4126	int timeout) {
4127	void *ctx;
4128	COMMON_INTERCEPTOR_ENTER(ctx, poll, fds, nfds, timeout);
4129	if (fds && nfds) read_pollfd(ctx, fds, nfds);
4130	int res = COMMON_INTERCEPTOR_BLOCK_REAL(poll)(fds, nfds, timeout);
4131	if (fds && nfds) write_pollfd(ctx, fds, nfds);
4132	return res;
4133	}
4134	#define INIT_POLL COMMON_INTERCEPT_FUNCTION(poll);
4135	#else
4136	#define INIT_POLL
4137	#endif
4138
4139	#if SANITIZER_INTERCEPT_PPOLL
4140	INTERCEPTOR(int, ppoll, __sanitizer_pollfd *fds, __sanitizer_nfds_t nfds,
4141	void *timeout_ts, __sanitizer_sigset_t *sigmask) {
4142	void *ctx;
4143	COMMON_INTERCEPTOR_ENTER(ctx, ppoll, fds, nfds, timeout_ts, sigmask);
4144	if (fds && nfds) read_pollfd(ctx, fds, nfds);
4145	if (timeout_ts)
4146	COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout_ts, struct_timespec_sz);
4147	if (sigmask) COMMON_INTERCEPTOR_READ_RANGE(ctx, sigmask, sizeof(*sigmask));
4148	int res =
4149	COMMON_INTERCEPTOR_BLOCK_REAL(ppoll)(fds, nfds, timeout_ts, sigmask);
4150	if (fds && nfds) write_pollfd(ctx, fds, nfds);
4151	return res;
4152	}
4153	#define INIT_PPOLL COMMON_INTERCEPT_FUNCTION(ppoll);
4154	#else
4155	#define INIT_PPOLL
4156	#endif
4157
4158	#if SANITIZER_INTERCEPT_WORDEXP
4159	INTERCEPTOR(int, wordexp, char *s, __sanitizer_wordexp_t *p, int flags) {
4160	void *ctx;
4161	COMMON_INTERCEPTOR_ENTER(ctx, wordexp, s, p, flags);
4162	if (s) COMMON_INTERCEPTOR_READ_RANGE(ctx, s, internal_strlen(s) + 1);
4163	// FIXME: under ASan the call below may write to freed memory and corrupt
4164	// its metadata. See
4165	// https://github.com/google/sanitizers/issues/321.
4166	int res = REAL(wordexp)(s, p, flags);
4167	if (!res && p) {
4168	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
4169	uptr we_wordc =
4170	((flags & wordexp_wrde_dooffs) ? p->we_offs : 0) + p->we_wordc;
4171	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->we_wordv,
4172	sizeof(*p->we_wordv) * (we_wordc + 1));
4173	for (uptr i = 0; i < we_wordc; ++i) {
4174	char *w = p->we_wordv[i];
4175	if (w) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, w, internal_strlen(w) + 1);
4176	}
4177	}
4178	return res;
4179	}
4180	#define INIT_WORDEXP COMMON_INTERCEPT_FUNCTION(wordexp);
4181	#else
4182	#define INIT_WORDEXP
4183	#endif
4184
4185	#if SANITIZER_INTERCEPT_SIGWAIT
4186	INTERCEPTOR(int, sigwait, __sanitizer_sigset_t *set, int *sig) {
4187	void *ctx;
4188	COMMON_INTERCEPTOR_ENTER(ctx, sigwait, set, sig);
4189	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4190	// FIXME: under ASan the call below may write to freed memory and corrupt
4191	// its metadata. See
4192	// https://github.com/google/sanitizers/issues/321.
4193	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigwait)(set, sig);
4194	if (!res && sig) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sig, sizeof(*sig));
4195	return res;
4196	}
4197	#define INIT_SIGWAIT COMMON_INTERCEPT_FUNCTION(sigwait);
4198	#else
4199	#define INIT_SIGWAIT
4200	#endif
4201
4202	#if SANITIZER_INTERCEPT_SIGWAITINFO
4203	INTERCEPTOR(int, sigwaitinfo, __sanitizer_sigset_t *set, void *info) {
4204	void *ctx;
4205	COMMON_INTERCEPTOR_ENTER(ctx, sigwaitinfo, set, info);
4206	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4207	// FIXME: under ASan the call below may write to freed memory and corrupt
4208	// its metadata. See
4209	// https://github.com/google/sanitizers/issues/321.
4210	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigwaitinfo)(set, info);
4211	if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz);
4212	return res;
4213	}
4214	#define INIT_SIGWAITINFO COMMON_INTERCEPT_FUNCTION(sigwaitinfo);
4215	#else
4216	#define INIT_SIGWAITINFO
4217	#endif
4218
4219	#if SANITIZER_INTERCEPT_SIGTIMEDWAIT
4220	INTERCEPTOR(int, sigtimedwait, __sanitizer_sigset_t *set, void *info,
4221	void *timeout) {
4222	void *ctx;
4223	COMMON_INTERCEPTOR_ENTER(ctx, sigtimedwait, set, info, timeout);
4224	if (timeout) COMMON_INTERCEPTOR_READ_RANGE(ctx, timeout, struct_timespec_sz);
4225	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4226	// FIXME: under ASan the call below may write to freed memory and corrupt
4227	// its metadata. See
4228	// https://github.com/google/sanitizers/issues/321.
4229	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sigtimedwait)(set, info, timeout);
4230	if (res > 0 && info) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, info, siginfo_t_sz);
4231	return res;
4232	}
4233	#define INIT_SIGTIMEDWAIT COMMON_INTERCEPT_FUNCTION(sigtimedwait);
4234	#else
4235	#define INIT_SIGTIMEDWAIT
4236	#endif
4237
4238	#if SANITIZER_INTERCEPT_SIGSETOPS
4239	INTERCEPTOR(int, sigemptyset, __sanitizer_sigset_t *set) {
4240	void *ctx;
4241	COMMON_INTERCEPTOR_ENTER(ctx, sigemptyset, set);
4242	// FIXME: under ASan the call below may write to freed memory and corrupt
4243	// its metadata. See
4244	// https://github.com/google/sanitizers/issues/321.
4245	int res = REAL(sigemptyset)(set);
4246	if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
4247	return res;
4248	}
4249
4250	INTERCEPTOR(int, sigfillset, __sanitizer_sigset_t *set) {
4251	void *ctx;
4252	COMMON_INTERCEPTOR_ENTER(ctx, sigfillset, set);
4253	// FIXME: under ASan the call below may write to freed memory and corrupt
4254	// its metadata. See
4255	// https://github.com/google/sanitizers/issues/321.
4256	int res = REAL(sigfillset)(set);
4257	if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
4258	return res;
4259	}
4260	#define INIT_SIGSETOPS \
4261	COMMON_INTERCEPT_FUNCTION(sigemptyset); \
4262	COMMON_INTERCEPT_FUNCTION(sigfillset);
4263	#else
4264	#define INIT_SIGSETOPS
4265	#endif
4266
4267	#if SANITIZER_INTERCEPT_SIGSET_LOGICOPS
4268	INTERCEPTOR(int, sigandset, __sanitizer_sigset_t *dst,
4269	__sanitizer_sigset_t *src1, __sanitizer_sigset_t *src2) {
4270	void *ctx;
4271	COMMON_INTERCEPTOR_ENTER(ctx, sigandset, dst, src1, src2);
4272	if (src1)
4273	COMMON_INTERCEPTOR_READ_RANGE(ctx, src1, sizeof(*src1));
4274	if (src2)
4275	COMMON_INTERCEPTOR_READ_RANGE(ctx, src2, sizeof(*src2));
4276	int res = REAL(sigandset)(dst, src1, src2);
4277	if (!res && dst)
4278	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
4279	return res;
4280	}
4281
4282	INTERCEPTOR(int, sigorset, __sanitizer_sigset_t *dst,
4283	__sanitizer_sigset_t *src1, __sanitizer_sigset_t *src2) {
4284	void *ctx;
4285	COMMON_INTERCEPTOR_ENTER(ctx, sigorset, dst, src1, src2);
4286	if (src1)
4287	COMMON_INTERCEPTOR_READ_RANGE(ctx, src1, sizeof(*src1));
4288	if (src2)
4289	COMMON_INTERCEPTOR_READ_RANGE(ctx, src2, sizeof(*src2));
4290	int res = REAL(sigorset)(dst, src1, src2);
4291	if (!res && dst)
4292	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
4293	return res;
4294	}
4295	#define INIT_SIGSET_LOGICOPS \
4296	COMMON_INTERCEPT_FUNCTION(sigandset); \
4297	COMMON_INTERCEPT_FUNCTION(sigorset);
4298	#else
4299	#define INIT_SIGSET_LOGICOPS
4300	#endif
4301
4302	#if SANITIZER_INTERCEPT_SIGPENDING
4303	INTERCEPTOR(int, sigpending, __sanitizer_sigset_t *set) {
4304	void *ctx;
4305	COMMON_INTERCEPTOR_ENTER(ctx, sigpending, set);
4306	// FIXME: under ASan the call below may write to freed memory and corrupt
4307	// its metadata. See
4308	// https://github.com/google/sanitizers/issues/321.
4309	int res = REAL(sigpending)(set);
4310	if (!res && set) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, set, sizeof(*set));
4311	return res;
4312	}
4313	#define INIT_SIGPENDING COMMON_INTERCEPT_FUNCTION(sigpending);
4314	#else
4315	#define INIT_SIGPENDING
4316	#endif
4317
4318	#if SANITIZER_INTERCEPT_SIGPROCMASK
4319	INTERCEPTOR(int, sigprocmask, int how, __sanitizer_sigset_t *set,
4320	__sanitizer_sigset_t *oldset) {
4321	void *ctx;
4322	COMMON_INTERCEPTOR_ENTER(ctx, sigprocmask, how, set, oldset);
4323	if (set) COMMON_INTERCEPTOR_READ_RANGE(ctx, set, sizeof(*set));
4324	// FIXME: under ASan the call below may write to freed memory and corrupt
4325	// its metadata. See
4326	// https://github.com/google/sanitizers/issues/321.
4327	int res = REAL(sigprocmask)(how, set, oldset);
4328	if (!res && oldset)
4329	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset));
4330	return res;
4331	}
4332	#define INIT_SIGPROCMASK COMMON_INTERCEPT_FUNCTION(sigprocmask);
4333	#else
4334	#define INIT_SIGPROCMASK
4335	#endif
4336
4337	#if SANITIZER_INTERCEPT_PTHREAD_SIGMASK
4338	INTERCEPTOR(int, pthread_sigmask, int how, __sanitizer_sigset_t *set,
4339	__sanitizer_sigset_t *oldset) {
4340	void *ctx;
4341	COMMON_INTERCEPTOR_ENTER(ctx, pthread_sigmask, how, set, oldset);
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 = REAL(pthread_sigmask)(how, set, oldset);
4347	if (!res && oldset)
4348	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldset, sizeof(*oldset));
4349	return res;
4350	}
4351	#define INIT_PTHREAD_SIGMASK COMMON_INTERCEPT_FUNCTION(pthread_sigmask);
4352	#else
4353	#define INIT_PTHREAD_SIGMASK
4354	#endif
4355
4356	#if SANITIZER_INTERCEPT_BACKTRACE
4357	INTERCEPTOR(int, backtrace, void **buffer, int size) {
4358	void *ctx;
4359	COMMON_INTERCEPTOR_ENTER(ctx, backtrace, buffer, size);
4360	// 'buffer' might be freed memory, hence it is unsafe to directly call
4361	// REAL(backtrace)(buffer, size). Instead, we use our own known-good
4362	// scratch buffer.
4363	void **scratch = (void**)InternalAlloc(size: sizeof(void*) * size);
4364	int res = REAL(backtrace)(scratch, size);
4365	if (res && buffer) {
4366	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buffer, res * sizeof(*buffer));
4367	internal_memcpy(dest: buffer, src: scratch, n: res * sizeof(*buffer));
4368	}
4369	InternalFree(p: scratch);
4370	return res;
4371	}
4372
4373	INTERCEPTOR(char **, backtrace_symbols, void **buffer, int size) {
4374	void *ctx;
4375	COMMON_INTERCEPTOR_ENTER(ctx, backtrace_symbols, buffer, size);
4376	if (buffer && size)
4377	COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, size * sizeof(*buffer));
4378	// The COMMON_INTERCEPTOR_READ_RANGE above ensures that 'buffer' is
4379	// valid for reading.
4380	char **res = REAL(backtrace_symbols)(buffer, size);
4381	if (res && size) {
4382	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, size * sizeof(*res));
4383	for (int i = 0; i < size; ++i)
4384	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res[i], internal_strlen(res[i]) + 1);
4385	}
4386	return res;
4387	}
4388	#define INIT_BACKTRACE \
4389	COMMON_INTERCEPT_FUNCTION(backtrace); \
4390	COMMON_INTERCEPT_FUNCTION(backtrace_symbols);
4391	#else
4392	#define INIT_BACKTRACE
4393	#endif
4394
4395	#if SANITIZER_INTERCEPT__EXIT
4396	INTERCEPTOR(void, _exit, int status) {
4397	void *ctx;
4398	COMMON_INTERCEPTOR_ENTER(ctx, _exit, status);
4399	COMMON_INTERCEPTOR_USER_CALLBACK_START();
4400	int status1 = COMMON_INTERCEPTOR_ON_EXIT(ctx);
4401	COMMON_INTERCEPTOR_USER_CALLBACK_END();
4402	if (status == 0) status = status1;
4403	REAL(_exit)(status);
4404	}
4405	#define INIT__EXIT COMMON_INTERCEPT_FUNCTION(_exit);
4406	#else
4407	#define INIT__EXIT
4408	#endif
4409
4410	#if SANITIZER_INTERCEPT___LIBC_MUTEX
4411	INTERCEPTOR(int, __libc_thr_setcancelstate, int state, int *oldstate)
4412	ALIAS(WRAP(pthread_setcancelstate));
4413
4414	#define INIT___LIBC_THR_SETCANCELSTATE \
4415	COMMON_INTERCEPT_FUNCTION(__libc_thr_setcancelstate)
4416	#else
4417	#define INIT___LIBC_THR_SETCANCELSTATE
4418	#endif
4419
4420	#if SANITIZER_INTERCEPT_GETMNTENT || SANITIZER_INTERCEPT_GETMNTENT_R
4421	static void write_mntent(void *ctx, __sanitizer_mntent *mnt) {
4422	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt, sizeof(*mnt));
4423	if (mnt->mnt_fsname)
4424	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_fsname,
4425	internal_strlen(mnt->mnt_fsname) + 1);
4426	if (mnt->mnt_dir)
4427	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_dir,
4428	internal_strlen(mnt->mnt_dir) + 1);
4429	if (mnt->mnt_type)
4430	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_type,
4431	internal_strlen(mnt->mnt_type) + 1);
4432	if (mnt->mnt_opts)
4433	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mnt->mnt_opts,
4434	internal_strlen(mnt->mnt_opts) + 1);
4435	}
4436	#endif
4437
4438	#if SANITIZER_INTERCEPT_GETMNTENT
4439	INTERCEPTOR(__sanitizer_mntent *, getmntent, void *fp) {
4440	void *ctx;
4441	COMMON_INTERCEPTOR_ENTER(ctx, getmntent, fp);
4442	__sanitizer_mntent *res = REAL(getmntent)(fp);
4443	if (res) write_mntent(ctx, mnt: res);
4444	return res;
4445	}
4446	#define INIT_GETMNTENT COMMON_INTERCEPT_FUNCTION(getmntent);
4447	#else
4448	#define INIT_GETMNTENT
4449	#endif
4450
4451	#if SANITIZER_INTERCEPT_GETMNTENT_R
4452	INTERCEPTOR(__sanitizer_mntent *, getmntent_r, void *fp,
4453	__sanitizer_mntent *mntbuf, char *buf, int buflen) {
4454	void *ctx;
4455	COMMON_INTERCEPTOR_ENTER(ctx, getmntent_r, fp, mntbuf, buf, buflen);
4456	__sanitizer_mntent *res = REAL(getmntent_r)(fp, mntbuf, buf, buflen);
4457	if (res) write_mntent(ctx, mnt: res);
4458	return res;
4459	}
4460	#define INIT_GETMNTENT_R COMMON_INTERCEPT_FUNCTION(getmntent_r);
4461	#else
4462	#define INIT_GETMNTENT_R
4463	#endif
4464
4465	#if SANITIZER_INTERCEPT_STATFS
4466	INTERCEPTOR(int, statfs, char *path, void *buf) {
4467	void *ctx;
4468	COMMON_INTERCEPTOR_ENTER(ctx, statfs, path, buf);
4469	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4470	// FIXME: under ASan the call below may write to freed memory and corrupt
4471	// its metadata. See
4472	// https://github.com/google/sanitizers/issues/321.
4473	int res = REAL(statfs)(path, buf);
4474	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz);
4475	return res;
4476	}
4477	INTERCEPTOR(int, fstatfs, int fd, void *buf) {
4478	void *ctx;
4479	COMMON_INTERCEPTOR_ENTER(ctx, fstatfs, fd, buf);
4480	// FIXME: under ASan the call below may write to freed memory and corrupt
4481	// its metadata. See
4482	// https://github.com/google/sanitizers/issues/321.
4483	int res = REAL(fstatfs)(fd, buf);
4484	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs_sz);
4485	return res;
4486	}
4487	#define INIT_STATFS \
4488	COMMON_INTERCEPT_FUNCTION(statfs); \
4489	COMMON_INTERCEPT_FUNCTION(fstatfs);
4490	#else
4491	#define INIT_STATFS
4492	#endif
4493
4494	#if SANITIZER_INTERCEPT_STATFS64
4495	INTERCEPTOR(int, statfs64, char *path, void *buf) {
4496	void *ctx;
4497	COMMON_INTERCEPTOR_ENTER(ctx, statfs64, path, buf);
4498	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4499	// FIXME: under ASan the call below may write to freed memory and corrupt
4500	// its metadata. See
4501	// https://github.com/google/sanitizers/issues/321.
4502	int res = REAL(statfs64)(path, buf);
4503	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz);
4504	return res;
4505	}
4506	INTERCEPTOR(int, fstatfs64, int fd, void *buf) {
4507	void *ctx;
4508	COMMON_INTERCEPTOR_ENTER(ctx, fstatfs64, fd, buf);
4509	// FIXME: under ASan the call below may write to freed memory and corrupt
4510	// its metadata. See
4511	// https://github.com/google/sanitizers/issues/321.
4512	int res = REAL(fstatfs64)(fd, buf);
4513	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statfs64_sz);
4514	return res;
4515	}
4516	#define INIT_STATFS64 \
4517	COMMON_INTERCEPT_FUNCTION(statfs64); \
4518	COMMON_INTERCEPT_FUNCTION(fstatfs64);
4519	#else
4520	#define INIT_STATFS64
4521	#endif
4522
4523	#if SANITIZER_INTERCEPT_STATVFS
4524	INTERCEPTOR(int, statvfs, char *path, void *buf) {
4525	void *ctx;
4526	COMMON_INTERCEPTOR_ENTER(ctx, statvfs, path, buf);
4527	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4528	// FIXME: under ASan the call below may write to freed memory and corrupt
4529	// its metadata. See
4530	// https://github.com/google/sanitizers/issues/321.
4531	int res = REAL(statvfs)(path, buf);
4532	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
4533	return res;
4534	}
4535	INTERCEPTOR(int, fstatvfs, int fd, void *buf) {
4536	void *ctx;
4537	COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs, fd, buf);
4538	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
4539	// FIXME: under ASan the call below may write to freed memory and corrupt
4540	// its metadata. See
4541	// https://github.com/google/sanitizers/issues/321.
4542	int res = REAL(fstatvfs)(fd, buf);
4543	if (!res) {
4544	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
4545	if (fd >= 0)
4546	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
4547	}
4548	return res;
4549	}
4550	#define INIT_STATVFS \
4551	COMMON_INTERCEPT_FUNCTION(statvfs); \
4552	COMMON_INTERCEPT_FUNCTION(fstatvfs);
4553	#else
4554	#define INIT_STATVFS
4555	#endif
4556
4557	#if SANITIZER_INTERCEPT_STATVFS64
4558	INTERCEPTOR(int, statvfs64, char *path, void *buf) {
4559	void *ctx;
4560	COMMON_INTERCEPTOR_ENTER(ctx, statvfs64, path, buf);
4561	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
4562	// FIXME: under ASan the call below may write to freed memory and corrupt
4563	// its metadata. See
4564	// https://github.com/google/sanitizers/issues/321.
4565	int res = REAL(statvfs64)(path, buf);
4566	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz);
4567	return res;
4568	}
4569	INTERCEPTOR(int, fstatvfs64, int fd, void *buf) {
4570	void *ctx;
4571	COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs64, fd, buf);
4572	// FIXME: under ASan the call below may write to freed memory and corrupt
4573	// its metadata. See
4574	// https://github.com/google/sanitizers/issues/321.
4575	int res = REAL(fstatvfs64)(fd, buf);
4576	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs64_sz);
4577	return res;
4578	}
4579	#define INIT_STATVFS64 \
4580	COMMON_INTERCEPT_FUNCTION(statvfs64); \
4581	COMMON_INTERCEPT_FUNCTION(fstatvfs64);
4582	#else
4583	#define INIT_STATVFS64
4584	#endif
4585
4586	#if SANITIZER_INTERCEPT_INITGROUPS
4587	INTERCEPTOR(int, initgroups, char *user, u32 group) {
4588	void *ctx;
4589	COMMON_INTERCEPTOR_ENTER(ctx, initgroups, user, group);
4590	if (user) COMMON_INTERCEPTOR_READ_RANGE(ctx, user, internal_strlen(user) + 1);
4591	int res = REAL(initgroups)(user, group);
4592	return res;
4593	}
4594	#define INIT_INITGROUPS COMMON_INTERCEPT_FUNCTION(initgroups);
4595	#else
4596	#define INIT_INITGROUPS
4597	#endif
4598
4599	#if SANITIZER_INTERCEPT_ETHER_NTOA_ATON
4600	INTERCEPTOR(char *, ether_ntoa, __sanitizer_ether_addr *addr) {
4601	void *ctx;
4602	COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa, addr);
4603	if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
4604	char *res = REAL(ether_ntoa)(addr);
4605	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
4606	return res;
4607	}
4608	INTERCEPTOR(__sanitizer_ether_addr *, ether_aton, char *buf) {
4609	void *ctx;
4610	COMMON_INTERCEPTOR_ENTER(ctx, ether_aton, buf);
4611	if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, internal_strlen(buf) + 1);
4612	__sanitizer_ether_addr *res = REAL(ether_aton)(buf);
4613	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, sizeof(*res));
4614	return res;
4615	}
4616	#define INIT_ETHER_NTOA_ATON \
4617	COMMON_INTERCEPT_FUNCTION(ether_ntoa); \
4618	COMMON_INTERCEPT_FUNCTION(ether_aton);
4619	#else
4620	#define INIT_ETHER_NTOA_ATON
4621	#endif
4622
4623	#if SANITIZER_INTERCEPT_ETHER_HOST
4624	INTERCEPTOR(int, ether_ntohost, char *hostname, __sanitizer_ether_addr *addr) {
4625	void *ctx;
4626	COMMON_INTERCEPTOR_ENTER(ctx, ether_ntohost, hostname, addr);
4627	if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
4628	// FIXME: under ASan the call below may write to freed memory and corrupt
4629	// its metadata. See
4630	// https://github.com/google/sanitizers/issues/321.
4631	int res = REAL(ether_ntohost)(hostname, addr);
4632	if (!res && hostname)
4633	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, internal_strlen(hostname) + 1);
4634	return res;
4635	}
4636	INTERCEPTOR(int, ether_hostton, char *hostname, __sanitizer_ether_addr *addr) {
4637	void *ctx;
4638	COMMON_INTERCEPTOR_ENTER(ctx, ether_hostton, hostname, addr);
4639	if (hostname)
4640	COMMON_INTERCEPTOR_READ_RANGE(ctx, hostname, internal_strlen(hostname) + 1);
4641	// FIXME: under ASan the call below may write to freed memory and corrupt
4642	// its metadata. See
4643	// https://github.com/google/sanitizers/issues/321.
4644	int res = REAL(ether_hostton)(hostname, addr);
4645	if (!res && addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
4646	return res;
4647	}
4648	INTERCEPTOR(int, ether_line, char *line, __sanitizer_ether_addr *addr,
4649	char *hostname) {
4650	void *ctx;
4651	COMMON_INTERCEPTOR_ENTER(ctx, ether_line, line, addr, hostname);
4652	if (line) COMMON_INTERCEPTOR_READ_RANGE(ctx, line, internal_strlen(line) + 1);
4653	// FIXME: under ASan the call below may write to freed memory and corrupt
4654	// its metadata. See
4655	// https://github.com/google/sanitizers/issues/321.
4656	int res = REAL(ether_line)(line, addr, hostname);
4657	if (!res) {
4658	if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
4659	if (hostname)
4660	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hostname, internal_strlen(hostname) + 1);
4661	}
4662	return res;
4663	}
4664	#define INIT_ETHER_HOST \
4665	COMMON_INTERCEPT_FUNCTION(ether_ntohost); \
4666	COMMON_INTERCEPT_FUNCTION(ether_hostton); \
4667	COMMON_INTERCEPT_FUNCTION(ether_line);
4668	#else
4669	#define INIT_ETHER_HOST
4670	#endif
4671
4672	#if SANITIZER_INTERCEPT_ETHER_R
4673	INTERCEPTOR(char *, ether_ntoa_r, __sanitizer_ether_addr *addr, char *buf) {
4674	void *ctx;
4675	COMMON_INTERCEPTOR_ENTER(ctx, ether_ntoa_r, addr, buf);
4676	if (addr) COMMON_INTERCEPTOR_READ_RANGE(ctx, addr, sizeof(*addr));
4677	// FIXME: under ASan the call below may write to freed memory and corrupt
4678	// its metadata. See
4679	// https://github.com/google/sanitizers/issues/321.
4680	char *res = REAL(ether_ntoa_r)(addr, buf);
4681	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
4682	return res;
4683	}
4684	INTERCEPTOR(__sanitizer_ether_addr *, ether_aton_r, char *buf,
4685	__sanitizer_ether_addr *addr) {
4686	void *ctx;
4687	COMMON_INTERCEPTOR_ENTER(ctx, ether_aton_r, buf, addr);
4688	if (buf) COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, internal_strlen(buf) + 1);
4689	// FIXME: under ASan the call below may write to freed memory and corrupt
4690	// its metadata. See
4691	// https://github.com/google/sanitizers/issues/321.
4692	__sanitizer_ether_addr *res = REAL(ether_aton_r)(buf, addr);
4693	if (res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(*res));
4694	return res;
4695	}
4696	#define INIT_ETHER_R \
4697	COMMON_INTERCEPT_FUNCTION(ether_ntoa_r); \
4698	COMMON_INTERCEPT_FUNCTION(ether_aton_r);
4699	#else
4700	#define INIT_ETHER_R
4701	#endif
4702
4703	#if SANITIZER_INTERCEPT_SHMCTL
4704	INTERCEPTOR(int, shmctl, int shmid, int cmd, void *buf) {
4705	void *ctx;
4706	COMMON_INTERCEPTOR_ENTER(ctx, shmctl, shmid, cmd, buf);
4707	// FIXME: under ASan the call below may write to freed memory and corrupt
4708	// its metadata. See
4709	// https://github.com/google/sanitizers/issues/321.
4710	int res = REAL(shmctl)(shmid, cmd, buf);
4711	if (res >= 0) {
4712	unsigned sz = 0;
4713	if (cmd == shmctl_ipc_stat || cmd == shmctl_shm_stat)
4714	sz = sizeof(__sanitizer_shmid_ds);
4715	else if (cmd == shmctl_ipc_info)
4716	sz = struct_shminfo_sz;
4717	else if (cmd == shmctl_shm_info)
4718	sz = struct_shm_info_sz;
4719	if (sz) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sz);
4720	}
4721	return res;
4722	}
4723	#define INIT_SHMCTL COMMON_INTERCEPT_FUNCTION(shmctl);
4724	#else
4725	#define INIT_SHMCTL
4726	#endif
4727
4728	#if SANITIZER_INTERCEPT_RANDOM_R
4729	INTERCEPTOR(int, random_r, void *buf, u32 *result) {
4730	void *ctx;
4731	COMMON_INTERCEPTOR_ENTER(ctx, random_r, buf, result);
4732	// FIXME: under ASan the call below may write to freed memory and corrupt
4733	// its metadata. See
4734	// https://github.com/google/sanitizers/issues/321.
4735	int res = REAL(random_r)(buf, result);
4736	if (!res && result)
4737	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
4738	return res;
4739	}
4740	#define INIT_RANDOM_R COMMON_INTERCEPT_FUNCTION(random_r);
4741	#else
4742	#define INIT_RANDOM_R
4743	#endif
4744
4745	// FIXME: under ASan the REAL() call below may write to freed memory and corrupt
4746	// its metadata. See
4747	// https://github.com/google/sanitizers/issues/321.
4748	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \
4749	SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED || \
4750	SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED || \
4751	SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET || \
4752	SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET || \
4753	SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET || \
4754	SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET
4755	#define INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(fn, sz) \
4756	INTERCEPTOR(int, fn, void *attr, void *r) { \
4757	void *ctx; \
4758	COMMON_INTERCEPTOR_ENTER(ctx, fn, attr, r); \
4759	int res = REAL(fn)(attr, r); \
4760	if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \
4761	return res; \
4762	}
4763	#define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \
4764	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_attr_get##what, sz)
4765	#define INTERCEPTOR_PTHREAD_MUTEXATTR_GET(what, sz) \
4766	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_mutexattr_get##what, sz)
4767	#define INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(what, sz) \
4768	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_rwlockattr_get##what, sz)
4769	#define INTERCEPTOR_PTHREAD_CONDATTR_GET(what, sz) \
4770	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_condattr_get##what, sz)
4771	#define INTERCEPTOR_PTHREAD_BARRIERATTR_GET(what, sz) \
4772	INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_barrierattr_get##what, sz)
4773	#endif
4774
4775	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET
4776	INTERCEPTOR_PTHREAD_ATTR_GET(detachstate, sizeof(int))
4777	INTERCEPTOR_PTHREAD_ATTR_GET(guardsize, sizeof(SIZE_T))
4778	INTERCEPTOR_PTHREAD_ATTR_GET(scope, sizeof(int))
4779	INTERCEPTOR_PTHREAD_ATTR_GET(stacksize, sizeof(SIZE_T))
4780	INTERCEPTOR(int, pthread_attr_getstack, void *attr, void **addr, SIZE_T *size) {
4781	void *ctx;
4782	COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getstack, attr, addr, size);
4783	// FIXME: under ASan the call below may write to freed memory and corrupt
4784	// its metadata. See
4785	// https://github.com/google/sanitizers/issues/321.
4786	int res = REAL(pthread_attr_getstack)(attr, addr, size);
4787	if (!res) {
4788	if (addr) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, addr, sizeof(*addr));
4789	if (size) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, size, sizeof(*size));
4790	}
4791	return res;
4792	}
4793
4794	// We may need to call the real pthread_attr_getstack from the run-time
4795	// in sanitizer_common, but we don't want to include the interception headers
4796	// there. So, just define this function here.
4797	namespace __sanitizer {
4798	extern "C" {
4799	int real_pthread_attr_getstack(void *attr, void **addr, SIZE_T *size) {
4800	return REAL(pthread_attr_getstack)(attr, addr, size);
4801	}
4802	} // extern "C"
4803	} // namespace __sanitizer
4804
4805	#define INIT_PTHREAD_ATTR_GET \
4806	COMMON_INTERCEPT_FUNCTION(pthread_attr_getdetachstate); \
4807	COMMON_INTERCEPT_FUNCTION(pthread_attr_getguardsize); \
4808	COMMON_INTERCEPT_FUNCTION(pthread_attr_getscope); \
4809	COMMON_INTERCEPT_FUNCTION(pthread_attr_getstacksize); \
4810	COMMON_INTERCEPT_FUNCTION(pthread_attr_getstack);
4811	#else
4812	#define INIT_PTHREAD_ATTR_GET
4813	#endif
4814
4815	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET_SCHED
4816	INTERCEPTOR_PTHREAD_ATTR_GET(schedparam, struct_sched_param_sz)
4817	INTERCEPTOR_PTHREAD_ATTR_GET(schedpolicy, sizeof(int))
4818
4819	#define INIT_PTHREAD_ATTR_GET_SCHED \
4820	COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedparam); \
4821	COMMON_INTERCEPT_FUNCTION(pthread_attr_getschedpolicy);
4822	#else
4823	#define INIT_PTHREAD_ATTR_GET_SCHED
4824	#endif
4825
4826	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED
4827	INTERCEPTOR_PTHREAD_ATTR_GET(inheritsched, sizeof(int))
4828
4829	#define INIT_PTHREAD_ATTR_GETINHERITSCHED \
4830	COMMON_INTERCEPT_FUNCTION(pthread_attr_getinheritsched);
4831	#else
4832	#define INIT_PTHREAD_ATTR_GETINHERITSCHED
4833	#endif
4834
4835	#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP
4836	INTERCEPTOR(int, pthread_attr_getaffinity_np, void *attr, SIZE_T cpusetsize,
4837	void *cpuset) {
4838	void *ctx;
4839	COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_getaffinity_np, attr, cpusetsize,
4840	cpuset);
4841	// FIXME: under ASan the call below may write to freed memory and corrupt
4842	// its metadata. See
4843	// https://github.com/google/sanitizers/issues/321.
4844	int res = REAL(pthread_attr_getaffinity_np)(attr, cpusetsize, cpuset);
4845	if (!res && cpusetsize && cpuset)
4846	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize);
4847	return res;
4848	}
4849
4850	#define INIT_PTHREAD_ATTR_GETAFFINITY_NP \
4851	COMMON_INTERCEPT_FUNCTION(pthread_attr_getaffinity_np);
4852	#else
4853	#define INIT_PTHREAD_ATTR_GETAFFINITY_NP
4854	#endif
4855
4856	#if SANITIZER_INTERCEPT_PTHREAD_GETAFFINITY_NP
4857	INTERCEPTOR(int, pthread_getaffinity_np, void *attr, SIZE_T cpusetsize,
4858	void *cpuset) {
4859	void *ctx;
4860	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getaffinity_np, attr, cpusetsize,
4861	cpuset);
4862	// FIXME: under ASan the call below may write to freed memory and corrupt
4863	// its metadata. See
4864	// https://github.com/google/sanitizers/issues/321.
4865	int res = REAL(pthread_getaffinity_np)(attr, cpusetsize, cpuset);
4866	if (!res && cpusetsize && cpuset)
4867	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cpuset, cpusetsize);
4868	return res;
4869	}
4870
4871	#define INIT_PTHREAD_GETAFFINITY_NP \
4872	COMMON_INTERCEPT_FUNCTION(pthread_getaffinity_np);
4873	#else
4874	#define INIT_PTHREAD_GETAFFINITY_NP
4875	#endif
4876
4877	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPSHARED
4878	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(pshared, sizeof(int))
4879	#define INIT_PTHREAD_MUTEXATTR_GETPSHARED \
4880	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getpshared);
4881	#else
4882	#define INIT_PTHREAD_MUTEXATTR_GETPSHARED
4883	#endif
4884
4885	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETTYPE
4886	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(type, sizeof(int))
4887	#define INIT_PTHREAD_MUTEXATTR_GETTYPE \
4888	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_gettype);
4889	#else
4890	#define INIT_PTHREAD_MUTEXATTR_GETTYPE
4891	#endif
4892
4893	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPROTOCOL
4894	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(protocol, sizeof(int))
4895	#define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL \
4896	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprotocol);
4897	#else
4898	#define INIT_PTHREAD_MUTEXATTR_GETPROTOCOL
4899	#endif
4900
4901	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETPRIOCEILING
4902	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(prioceiling, sizeof(int))
4903	#define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING \
4904	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprioceiling);
4905	#else
4906	#define INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING
4907	#endif
4908
4909	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST
4910	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust, sizeof(int))
4911	#define INIT_PTHREAD_MUTEXATTR_GETROBUST \
4912	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust);
4913	#else
4914	#define INIT_PTHREAD_MUTEXATTR_GETROBUST
4915	#endif
4916
4917	#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GETROBUST_NP
4918	INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust_np, sizeof(int))
4919	#define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP \
4920	COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust_np);
4921	#else
4922	#define INIT_PTHREAD_MUTEXATTR_GETROBUST_NP
4923	#endif
4924
4925	#if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETPSHARED
4926	INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(pshared, sizeof(int))
4927	#define INIT_PTHREAD_RWLOCKATTR_GETPSHARED \
4928	COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getpshared);
4929	#else
4930	#define INIT_PTHREAD_RWLOCKATTR_GETPSHARED
4931	#endif
4932
4933	#if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GETKIND_NP
4934	INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(kind_np, sizeof(int))
4935	#define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP \
4936	COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getkind_np);
4937	#else
4938	#define INIT_PTHREAD_RWLOCKATTR_GETKIND_NP
4939	#endif
4940
4941	#if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETPSHARED
4942	INTERCEPTOR_PTHREAD_CONDATTR_GET(pshared, sizeof(int))
4943	#define INIT_PTHREAD_CONDATTR_GETPSHARED \
4944	COMMON_INTERCEPT_FUNCTION(pthread_condattr_getpshared);
4945	#else
4946	#define INIT_PTHREAD_CONDATTR_GETPSHARED
4947	#endif
4948
4949	#if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GETCLOCK
4950	INTERCEPTOR_PTHREAD_CONDATTR_GET(clock, sizeof(int))
4951	#define INIT_PTHREAD_CONDATTR_GETCLOCK \
4952	COMMON_INTERCEPT_FUNCTION(pthread_condattr_getclock);
4953	#else
4954	#define INIT_PTHREAD_CONDATTR_GETCLOCK
4955	#endif
4956
4957	#if SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GETPSHARED
4958	INTERCEPTOR_PTHREAD_BARRIERATTR_GET(pshared, sizeof(int)) // !mac !android
4959	#define INIT_PTHREAD_BARRIERATTR_GETPSHARED \
4960	COMMON_INTERCEPT_FUNCTION(pthread_barrierattr_getpshared);
4961	#else
4962	#define INIT_PTHREAD_BARRIERATTR_GETPSHARED
4963	#endif
4964
4965	#if SANITIZER_INTERCEPT_TMPNAM
4966	INTERCEPTOR(char *, tmpnam, char *s) {
4967	void *ctx;
4968	COMMON_INTERCEPTOR_ENTER(ctx, tmpnam, s);
4969	char *res = REAL(tmpnam)(s);
4970	if (res) {
4971	if (s)
4972	// FIXME: under ASan the call below may write to freed memory and corrupt
4973	// its metadata. See
4974	// https://github.com/google/sanitizers/issues/321.
4975	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, internal_strlen(s) + 1);
4976	else
4977	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
4978	}
4979	return res;
4980	}
4981	#define INIT_TMPNAM COMMON_INTERCEPT_FUNCTION(tmpnam);
4982	#else
4983	#define INIT_TMPNAM
4984	#endif
4985
4986	#if SANITIZER_INTERCEPT_TMPNAM_R
4987	INTERCEPTOR(char *, tmpnam_r, char *s) {
4988	void *ctx;
4989	COMMON_INTERCEPTOR_ENTER(ctx, tmpnam_r, s);
4990	// FIXME: under ASan the call below may write to freed memory and corrupt
4991	// its metadata. See
4992	// https://github.com/google/sanitizers/issues/321.
4993	char *res = REAL(tmpnam_r)(s);
4994	if (res && s) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, s, internal_strlen(s) + 1);
4995	return res;
4996	}
4997	#define INIT_TMPNAM_R COMMON_INTERCEPT_FUNCTION(tmpnam_r);
4998	#else
4999	#define INIT_TMPNAM_R
5000	#endif
5001
5002	#if SANITIZER_INTERCEPT_PTSNAME
5003	INTERCEPTOR(char *, ptsname, int fd) {
5004	void *ctx;
5005	COMMON_INTERCEPTOR_ENTER(ctx, ptsname, fd);
5006	char *res = REAL(ptsname)(fd);
5007	if (res != nullptr)
5008	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5009	return res;
5010	}
5011	#define INIT_PTSNAME COMMON_INTERCEPT_FUNCTION(ptsname);
5012	#else
5013	#define INIT_PTSNAME
5014	#endif
5015
5016	#if SANITIZER_INTERCEPT_PTSNAME_R
5017	INTERCEPTOR(int, ptsname_r, int fd, char *name, SIZE_T namesize) {
5018	void *ctx;
5019	COMMON_INTERCEPTOR_ENTER(ctx, ptsname_r, fd, name, namesize);
5020	int res = REAL(ptsname_r)(fd, name, namesize);
5021	if (res == 0)
5022	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
5023	return res;
5024	}
5025	#define INIT_PTSNAME_R COMMON_INTERCEPT_FUNCTION(ptsname_r);
5026	#else
5027	#define INIT_PTSNAME_R
5028	#endif
5029
5030	#if SANITIZER_INTERCEPT_TTYNAME
5031	INTERCEPTOR(char *, ttyname, int fd) {
5032	void *ctx;
5033	COMMON_INTERCEPTOR_ENTER(ctx, ttyname, fd);
5034	char *res = REAL(ttyname)(fd);
5035	if (res != nullptr)
5036	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5037	return res;
5038	}
5039	#define INIT_TTYNAME COMMON_INTERCEPT_FUNCTION(ttyname);
5040	#else
5041	#define INIT_TTYNAME
5042	#endif
5043
5044	#if SANITIZER_INTERCEPT_TTYNAME_R
5045	INTERCEPTOR(int, ttyname_r, int fd, char *name, SIZE_T namesize) {
5046	void *ctx;
5047	COMMON_INTERCEPTOR_ENTER(ctx, ttyname_r, fd, name, namesize);
5048	int res = REAL(ttyname_r)(fd, name, namesize);
5049	if (res == 0)
5050	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
5051	return res;
5052	}
5053	#define INIT_TTYNAME_R COMMON_INTERCEPT_FUNCTION(ttyname_r);
5054	#else
5055	#define INIT_TTYNAME_R
5056	#endif
5057
5058	#if SANITIZER_INTERCEPT_TEMPNAM
5059	INTERCEPTOR(char *, tempnam, char *dir, char *pfx) {
5060	void *ctx;
5061	COMMON_INTERCEPTOR_ENTER(ctx, tempnam, dir, pfx);
5062	if (dir) COMMON_INTERCEPTOR_READ_RANGE(ctx, dir, internal_strlen(dir) + 1);
5063	if (pfx) COMMON_INTERCEPTOR_READ_RANGE(ctx, pfx, internal_strlen(pfx) + 1);
5064	char *res = REAL(tempnam)(dir, pfx);
5065	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
5066	return res;
5067	}
5068	#define INIT_TEMPNAM COMMON_INTERCEPT_FUNCTION(tempnam);
5069	#else
5070	#define INIT_TEMPNAM
5071	#endif
5072
5073	#if SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP && !SANITIZER_NETBSD
5074	INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name) {
5075	void *ctx;
5076	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name);
5077	COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0);
5078	COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name);
5079	return REAL(pthread_setname_np)(thread, name);
5080	}
5081	#define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np);
5082	#elif SANITIZER_INTERCEPT_PTHREAD_SETNAME_NP && SANITIZER_NETBSD
5083	INTERCEPTOR(int, pthread_setname_np, uptr thread, const char *name, void *arg) {
5084	void *ctx;
5085	char newname[32]; // PTHREAD_MAX_NAMELEN_NP=32
5086	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setname_np, thread, name, arg);
5087	COMMON_INTERCEPTOR_READ_STRING(ctx, name, 0);
5088	internal_snprintf(newname, sizeof(newname), name, arg);
5089	COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, newname);
5090	return REAL(pthread_setname_np)(thread, name, arg);
5091	}
5092	#define INIT_PTHREAD_SETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_setname_np);
5093	#else
5094	#define INIT_PTHREAD_SETNAME_NP
5095	#endif
5096
5097	#if SANITIZER_INTERCEPT_PTHREAD_GETNAME_NP
5098	INTERCEPTOR(int, pthread_getname_np, uptr thread, char *name, SIZE_T len) {
5099	void *ctx;
5100	COMMON_INTERCEPTOR_ENTER(ctx, pthread_getname_np, thread, name, len);
5101	int res = REAL(pthread_getname_np)(thread, name, len);
5102	if (!res)
5103	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strnlen(name, len) + 1);
5104	return res;
5105	}
5106	#define INIT_PTHREAD_GETNAME_NP COMMON_INTERCEPT_FUNCTION(pthread_getname_np);
5107	#else
5108	#define INIT_PTHREAD_GETNAME_NP
5109	#endif
5110
5111	#if SANITIZER_INTERCEPT_SINCOS
5112	INTERCEPTOR(void, sincos, double x, double *sin, double *cos) {
5113	void *ctx;
5114	COMMON_INTERCEPTOR_ENTER(ctx, sincos, x, sin, cos);
5115	// FIXME: under ASan the call below may write to freed memory and corrupt
5116	// its metadata. See
5117	// https://github.com/google/sanitizers/issues/321.
5118	REAL(sincos)(x, sin, cos);
5119	if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
5120	if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
5121	}
5122	INTERCEPTOR(void, sincosf, float x, float *sin, float *cos) {
5123	void *ctx;
5124	COMMON_INTERCEPTOR_ENTER(ctx, sincosf, x, sin, cos);
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	REAL(sincosf)(x, sin, cos);
5129	if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
5130	if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
5131	}
5132	INTERCEPTOR(void, sincosl, long double x, long double *sin, long double *cos) {
5133	void *ctx;
5134	COMMON_INTERCEPTOR_ENTER(ctx, sincosl, x, sin, cos);
5135	// FIXME: under ASan the call below may write to freed memory and corrupt
5136	// its metadata. See
5137	// https://github.com/google/sanitizers/issues/321.
5138	REAL(sincosl)(x, sin, cos);
5139	if (sin) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sin, sizeof(*sin));
5140	if (cos) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cos, sizeof(*cos));
5141	}
5142	#define INIT_SINCOS \
5143	COMMON_INTERCEPT_FUNCTION(sincos); \
5144	COMMON_INTERCEPT_FUNCTION(sincosf); \
5145	COMMON_INTERCEPT_FUNCTION_LDBL(sincosl);
5146	#else
5147	#define INIT_SINCOS
5148	#endif
5149
5150	#if SANITIZER_INTERCEPT_REMQUO
5151	INTERCEPTOR(double, remquo, double x, double y, int *quo) {
5152	void *ctx;
5153	COMMON_INTERCEPTOR_ENTER(ctx, remquo, x, y, quo);
5154	// FIXME: under ASan the call below may write to freed memory and corrupt
5155	// its metadata. See
5156	// https://github.com/google/sanitizers/issues/321.
5157	double res = REAL(remquo)(x, y, quo);
5158	if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
5159	return res;
5160	}
5161	INTERCEPTOR(float, remquof, float x, float y, int *quo) {
5162	void *ctx;
5163	COMMON_INTERCEPTOR_ENTER(ctx, remquof, x, y, quo);
5164	// FIXME: under ASan the call below may write to freed memory and corrupt
5165	// its metadata. See
5166	// https://github.com/google/sanitizers/issues/321.
5167	float res = REAL(remquof)(x, y, quo);
5168	if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
5169	return res;
5170	}
5171	#define INIT_REMQUO \
5172	COMMON_INTERCEPT_FUNCTION(remquo); \
5173	COMMON_INTERCEPT_FUNCTION(remquof);
5174	#else
5175	#define INIT_REMQUO
5176	#endif
5177
5178	#if SANITIZER_INTERCEPT_REMQUOL
5179	INTERCEPTOR(long double, remquol, long double x, long double y, int *quo) {
5180	void *ctx;
5181	COMMON_INTERCEPTOR_ENTER(ctx, remquol, x, y, quo);
5182	// FIXME: under ASan the call below may write to freed memory and corrupt
5183	// its metadata. See
5184	// https://github.com/google/sanitizers/issues/321.
5185	long double res = REAL(remquol)(x, y, quo);
5186	if (quo) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, quo, sizeof(*quo));
5187	return res;
5188	}
5189	#define INIT_REMQUOL \
5190	COMMON_INTERCEPT_FUNCTION_LDBL(remquol);
5191	#else
5192	#define INIT_REMQUOL
5193	#endif
5194
5195	#if SANITIZER_INTERCEPT_LGAMMA
5196	extern int signgam;
5197	INTERCEPTOR(double, lgamma, double x) {
5198	void *ctx;
5199	COMMON_INTERCEPTOR_ENTER(ctx, lgamma, x);
5200	double res = REAL(lgamma)(x);
5201	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
5202	return res;
5203	}
5204	INTERCEPTOR(float, lgammaf, float x) {
5205	void *ctx;
5206	COMMON_INTERCEPTOR_ENTER(ctx, lgammaf, x);
5207	float res = REAL(lgammaf)(x);
5208	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
5209	return res;
5210	}
5211	#define INIT_LGAMMA \
5212	COMMON_INTERCEPT_FUNCTION(lgamma); \
5213	COMMON_INTERCEPT_FUNCTION(lgammaf);
5214	#else
5215	#define INIT_LGAMMA
5216	#endif
5217
5218	#if SANITIZER_INTERCEPT_LGAMMAL
5219	INTERCEPTOR(long double, lgammal, long double x) {
5220	void *ctx;
5221	COMMON_INTERCEPTOR_ENTER(ctx, lgammal, x);
5222	long double res = REAL(lgammal)(x);
5223	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, &signgam, sizeof(signgam));
5224	return res;
5225	}
5226	#define INIT_LGAMMAL \
5227	COMMON_INTERCEPT_FUNCTION_LDBL(lgammal);
5228	#else
5229	#define INIT_LGAMMAL
5230	#endif
5231
5232	#if SANITIZER_INTERCEPT_LGAMMA_R
5233	INTERCEPTOR(double, lgamma_r, double x, int *signp) {
5234	void *ctx;
5235	COMMON_INTERCEPTOR_ENTER(ctx, lgamma_r, x, signp);
5236	// FIXME: under ASan the call below may write to freed memory and corrupt
5237	// its metadata. See
5238	// https://github.com/google/sanitizers/issues/321.
5239	double res = REAL(lgamma_r)(x, signp);
5240	if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
5241	return res;
5242	}
5243	INTERCEPTOR(float, lgammaf_r, float x, int *signp) {
5244	void *ctx;
5245	COMMON_INTERCEPTOR_ENTER(ctx, lgammaf_r, x, signp);
5246	// FIXME: under ASan the call below may write to freed memory and corrupt
5247	// its metadata. See
5248	// https://github.com/google/sanitizers/issues/321.
5249	float res = REAL(lgammaf_r)(x, signp);
5250	if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
5251	return res;
5252	}
5253	#define INIT_LGAMMA_R \
5254	COMMON_INTERCEPT_FUNCTION(lgamma_r); \
5255	COMMON_INTERCEPT_FUNCTION(lgammaf_r);
5256	#else
5257	#define INIT_LGAMMA_R
5258	#endif
5259
5260	#if SANITIZER_INTERCEPT_LGAMMAL_R
5261	INTERCEPTOR(long double, lgammal_r, long double x, int *signp) {
5262	void *ctx;
5263	COMMON_INTERCEPTOR_ENTER(ctx, lgammal_r, x, signp);
5264	// FIXME: under ASan the call below may write to freed memory and corrupt
5265	// its metadata. See
5266	// https://github.com/google/sanitizers/issues/321.
5267	long double res = REAL(lgammal_r)(x, signp);
5268	if (signp) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, signp, sizeof(*signp));
5269	return res;
5270	}
5271	#define INIT_LGAMMAL_R COMMON_INTERCEPT_FUNCTION_LDBL(lgammal_r);
5272	#else
5273	#define INIT_LGAMMAL_R
5274	#endif
5275
5276	#if SANITIZER_INTERCEPT_DRAND48_R
5277	INTERCEPTOR(int, drand48_r, void *buffer, double *result) {
5278	void *ctx;
5279	COMMON_INTERCEPTOR_ENTER(ctx, drand48_r, buffer, result);
5280	// FIXME: under ASan the call below may write to freed memory and corrupt
5281	// its metadata. See
5282	// https://github.com/google/sanitizers/issues/321.
5283	int res = REAL(drand48_r)(buffer, result);
5284	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
5285	return res;
5286	}
5287	INTERCEPTOR(int, lrand48_r, void *buffer, long *result) {
5288	void *ctx;
5289	COMMON_INTERCEPTOR_ENTER(ctx, lrand48_r, buffer, result);
5290	// FIXME: under ASan the call below may write to freed memory and corrupt
5291	// its metadata. See
5292	// https://github.com/google/sanitizers/issues/321.
5293	int res = REAL(lrand48_r)(buffer, result);
5294	if (result) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(*result));
5295	return res;
5296	}
5297	#define INIT_DRAND48_R \
5298	COMMON_INTERCEPT_FUNCTION(drand48_r); \
5299	COMMON_INTERCEPT_FUNCTION(lrand48_r);
5300	#else
5301	#define INIT_DRAND48_R
5302	#endif
5303
5304	#if SANITIZER_INTERCEPT_RAND_R
5305	INTERCEPTOR(int, rand_r, unsigned *seedp) {
5306	void *ctx;
5307	COMMON_INTERCEPTOR_ENTER(ctx, rand_r, seedp);
5308	COMMON_INTERCEPTOR_READ_RANGE(ctx, seedp, sizeof(*seedp));
5309	return REAL(rand_r)(seedp);
5310	}
5311	#define INIT_RAND_R COMMON_INTERCEPT_FUNCTION(rand_r);
5312	#else
5313	#define INIT_RAND_R
5314	#endif
5315
5316	#if SANITIZER_INTERCEPT_GETLINE
5317	INTERCEPTOR(SSIZE_T, getline, char **lineptr, SIZE_T *n, void *stream) {
5318	void *ctx;
5319	COMMON_INTERCEPTOR_ENTER(ctx, getline, lineptr, n, stream);
5320	// FIXME: under ASan the call below may write to freed memory and corrupt
5321	// its metadata. See
5322	// https://github.com/google/sanitizers/issues/321.
5323	SSIZE_T res = REAL(getline)(lineptr, n, stream);
5324	if (res > 0) {
5325	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr));
5326	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
5327	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1);
5328	}
5329	return res;
5330	}
5331
5332	// FIXME: under ASan the call below may write to freed memory and corrupt its
5333	// metadata. See
5334	// https://github.com/google/sanitizers/issues/321.
5335	#define GETDELIM_INTERCEPTOR_IMPL(vname) \
5336	{ \
5337	void *ctx; \
5338	COMMON_INTERCEPTOR_ENTER(ctx, vname, lineptr, n, delim, stream); \
5339	SSIZE_T res = REAL(vname)(lineptr, n, delim, stream); \
5340	if (res > 0) { \
5341	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineptr, sizeof(*lineptr)); \
5342	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n)); \
5343	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *lineptr, res + 1); \
5344	} \
5345	return res; \
5346	}
5347
5348	INTERCEPTOR(SSIZE_T, __getdelim, char **lineptr, SIZE_T *n, int delim,
5349	void *stream)
5350	GETDELIM_INTERCEPTOR_IMPL(__getdelim)
5351
5352	// There's no __getdelim() on FreeBSD so we supply the getdelim() interceptor
5353	// with its own body.
5354	INTERCEPTOR(SSIZE_T, getdelim, char **lineptr, SIZE_T *n, int delim,
5355	void *stream)
5356	GETDELIM_INTERCEPTOR_IMPL(getdelim)
5357
5358	#define INIT_GETLINE \
5359	COMMON_INTERCEPT_FUNCTION(getline); \
5360	COMMON_INTERCEPT_FUNCTION(__getdelim); \
5361	COMMON_INTERCEPT_FUNCTION(getdelim);
5362	#else
5363	#define INIT_GETLINE
5364	#endif
5365
5366	#if SANITIZER_INTERCEPT_ICONV
5367	INTERCEPTOR(SIZE_T, iconv, void *cd, char **inbuf, SIZE_T *inbytesleft,
5368	char **outbuf, SIZE_T *outbytesleft) {
5369	void *ctx;
5370	COMMON_INTERCEPTOR_ENTER(ctx, iconv, cd, inbuf, inbytesleft, outbuf,
5371	outbytesleft);
5372	if (inbytesleft)
5373	COMMON_INTERCEPTOR_READ_RANGE(ctx, inbytesleft, sizeof(*inbytesleft));
5374	if (inbuf && inbytesleft)
5375	COMMON_INTERCEPTOR_READ_RANGE(ctx, *inbuf, *inbytesleft);
5376	if (outbytesleft)
5377	COMMON_INTERCEPTOR_READ_RANGE(ctx, outbytesleft, sizeof(*outbytesleft));
5378	void *outbuf_orig = outbuf ? *outbuf : nullptr;
5379	// FIXME: under ASan the call below may write to freed memory and corrupt
5380	// its metadata. See
5381	// https://github.com/google/sanitizers/issues/321.
5382	SIZE_T res = REAL(iconv)(cd, inbuf, inbytesleft, outbuf, outbytesleft);
5383	if (outbuf && *outbuf > outbuf_orig) {
5384	SIZE_T sz = (char *)*outbuf - (char *)outbuf_orig;
5385	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, outbuf_orig, sz);
5386	}
5387	return res;
5388	}
5389	#define INIT_ICONV COMMON_INTERCEPT_FUNCTION(iconv);
5390	#else
5391	#define INIT_ICONV
5392	#endif
5393
5394	#if SANITIZER_INTERCEPT_TIMES
5395	INTERCEPTOR(__sanitizer_clock_t, times, void *tms) {
5396	void *ctx;
5397	COMMON_INTERCEPTOR_ENTER(ctx, times, tms);
5398	// FIXME: under ASan the call below may write to freed memory and corrupt
5399	// its metadata. See
5400	// https://github.com/google/sanitizers/issues/321.
5401	__sanitizer_clock_t res = REAL(times)(tms);
5402	if (res != (__sanitizer_clock_t)-1 && tms)
5403	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tms, struct_tms_sz);
5404	return res;
5405	}
5406	#define INIT_TIMES COMMON_INTERCEPT_FUNCTION(times);
5407	#else
5408	#define INIT_TIMES
5409	#endif
5410
5411	#if SANITIZER_S390 && \
5412	(SANITIZER_INTERCEPT_TLS_GET_ADDR || SANITIZER_INTERCEPT_TLS_GET_OFFSET)
5413	extern "C" uptr __tls_get_offset_wrapper(void *arg, uptr (*fn)(void *arg));
5414	DEFINE_REAL(uptr, __tls_get_offset, void *arg)
5415	#endif
5416
5417	#if SANITIZER_INTERCEPT_TLS_GET_ADDR
5418	#if !SANITIZER_S390
5419	#define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_addr)
5420	// If you see any crashes around this functions, there are 2 known issues with
5421	// it: 1. __tls_get_addr can be called with mis-aligned stack due to:
5422	// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066
5423	// 2. It can be called recursively if sanitizer code uses __tls_get_addr
5424	// to access thread local variables (it should not happen normally,
5425	// because sanitizers use initial-exec tls model).
5426	INTERCEPTOR(void *, __tls_get_addr, void *arg) {
5427	void *ctx;
5428	COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr, arg);
5429	void *res = REAL(__tls_get_addr)(arg);
5430	uptr tls_begin, tls_end;
5431	COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end);
5432	DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, res, static_tls_begin: tls_begin, static_tls_end: tls_end);
5433	if (dtv) {
5434	// New DTLS block has been allocated.
5435	COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size);
5436	}
5437	return res;
5438	}
5439	#if SANITIZER_PPC
5440	// On PowerPC, we also need to intercept __tls_get_addr_opt, which has
5441	// mostly the same semantics as __tls_get_addr, but its presence enables
5442	// some optimizations in linker (which are safe to ignore here).
5443	INTERCEPTOR(void *, __tls_get_addr_opt, void *arg) ALIAS(WRAP(__tls_get_addr));
5444	#endif
5445	#else // SANITIZER_S390
5446	// On s390, we have to intercept two functions here:
5447	// - __tls_get_addr_internal, which is a glibc-internal function that is like
5448	// the usual __tls_get_addr, but returns a TP-relative offset instead of
5449	// a proper pointer. It is used by dlsym for TLS symbols.
5450	// - __tls_get_offset, which is like the above, but also takes a GOT-relative
5451	// descriptor offset as an argument instead of a pointer. GOT address
5452	// is passed in r12, so it's necessary to write it in assembly. This is
5453	// the function used by the compiler.
5454	#define INIT_TLS_GET_ADDR COMMON_INTERCEPT_FUNCTION(__tls_get_offset)
5455	INTERCEPTOR(uptr, __tls_get_addr_internal, void *arg) {
5456	void *ctx;
5457	COMMON_INTERCEPTOR_ENTER(ctx, __tls_get_addr_internal, arg);
5458	uptr res = __tls_get_offset_wrapper(arg, REAL(__tls_get_offset));
5459	uptr tp = reinterpret_cast<uptr>(__builtin_thread_pointer());
5460	void *ptr = reinterpret_cast<void *>(res + tp);
5461	uptr tls_begin, tls_end;
5462	COMMON_INTERCEPTOR_GET_TLS_RANGE(&tls_begin, &tls_end);
5463	DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, ptr, tls_begin, tls_end);
5464	if (dtv) {
5465	// New DTLS block has been allocated.
5466	COMMON_INTERCEPTOR_INITIALIZE_RANGE((void *)dtv->beg, dtv->size);
5467	}
5468	return res;
5469	}
5470	#endif // SANITIZER_S390
5471	#else
5472	#define INIT_TLS_GET_ADDR
5473	#endif
5474
5475	#if SANITIZER_S390 && \
5476	(SANITIZER_INTERCEPT_TLS_GET_ADDR || SANITIZER_INTERCEPT_TLS_GET_OFFSET)
5477	// We need a hidden symbol aliasing the above, so that we can jump
5478	// directly to it from the assembly below.
5479	extern "C" __attribute__((visibility("hidden"))) uptr __tls_get_addr_hidden(
5480	void *arg) ALIAS(WRAP(__tls_get_addr_internal));
5481	extern "C" uptr __tls_get_offset(void *arg);
5482	extern "C" uptr TRAMPOLINE(__tls_get_offset)(void *arg);
5483	extern "C" uptr WRAP(__tls_get_offset)(void *arg);
5484	// Now carefully intercept __tls_get_offset.
5485	asm(
5486	".text\n"
5487	// The __intercept_ version has to exist, so that gen_dynamic_list.py
5488	// exports our symbol.
5489	".weak __tls_get_offset\n"
5490	".set __tls_get_offset, __interceptor___tls_get_offset\n"
5491	".global __interceptor___tls_get_offset\n"
5492	".type __interceptor___tls_get_offset, @function\n"
5493	"__interceptor___tls_get_offset:\n"
5494	#ifdef __s390x__
5495	"la %r2, 0(%r2,%r12)\n"
5496	"jg __tls_get_addr_hidden\n"
5497	#else
5498	"basr %r3,0\n"
5499	"0: la %r2,0(%r2,%r12)\n"
5500	"l %r4,1f-0b(%r3)\n"
5501	"b 0(%r4,%r3)\n"
5502	"1: .long __tls_get_addr_hidden - 0b\n"
5503	#endif
5504	".size __interceptor___tls_get_offset, .-__interceptor___tls_get_offset\n"
5505	// Assembly wrapper to call REAL(__tls_get_offset)(arg)
5506	".type __tls_get_offset_wrapper, @function\n"
5507	"__tls_get_offset_wrapper:\n"
5508	#ifdef __s390x__
5509	"sgr %r2,%r12\n"
5510	#else
5511	"sr %r2,%r12\n"
5512	#endif
5513	"br %r3\n"
5514	".size __tls_get_offset_wrapper, .-__tls_get_offset_wrapper\n"
5515	);
5516	#endif
5517
5518	#if SANITIZER_INTERCEPT_LISTXATTR
5519	INTERCEPTOR(SSIZE_T, listxattr, const char *path, char *list, SIZE_T size) {
5520	void *ctx;
5521	COMMON_INTERCEPTOR_ENTER(ctx, listxattr, path, list, size);
5522	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5523	// FIXME: under ASan the call below may write to freed memory and corrupt
5524	// its metadata. See
5525	// https://github.com/google/sanitizers/issues/321.
5526	SSIZE_T res = REAL(listxattr)(path, list, size);
5527	// Here and below, size == 0 is a special case where nothing is written to the
5528	// buffer, and res contains the desired buffer size.
5529	if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res);
5530	return res;
5531	}
5532	INTERCEPTOR(SSIZE_T, llistxattr, const char *path, char *list, SIZE_T size) {
5533	void *ctx;
5534	COMMON_INTERCEPTOR_ENTER(ctx, llistxattr, path, list, size);
5535	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5536	// FIXME: under ASan the call below may write to freed memory and corrupt
5537	// its metadata. See
5538	// https://github.com/google/sanitizers/issues/321.
5539	SSIZE_T res = REAL(llistxattr)(path, list, size);
5540	if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res);
5541	return res;
5542	}
5543	INTERCEPTOR(SSIZE_T, flistxattr, int fd, char *list, SIZE_T size) {
5544	void *ctx;
5545	COMMON_INTERCEPTOR_ENTER(ctx, flistxattr, fd, list, size);
5546	// FIXME: under ASan the call below may write to freed memory and corrupt
5547	// its metadata. See
5548	// https://github.com/google/sanitizers/issues/321.
5549	SSIZE_T res = REAL(flistxattr)(fd, list, size);
5550	if (size && res > 0 && list) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, list, res);
5551	return res;
5552	}
5553	#define INIT_LISTXATTR \
5554	COMMON_INTERCEPT_FUNCTION(listxattr); \
5555	COMMON_INTERCEPT_FUNCTION(llistxattr); \
5556	COMMON_INTERCEPT_FUNCTION(flistxattr);
5557	#else
5558	#define INIT_LISTXATTR
5559	#endif
5560
5561	#if SANITIZER_INTERCEPT_GETXATTR
5562	INTERCEPTOR(SSIZE_T, getxattr, const char *path, const char *name, char *value,
5563	SIZE_T size) {
5564	void *ctx;
5565	COMMON_INTERCEPTOR_ENTER(ctx, getxattr, path, name, value, size);
5566	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5567	if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
5568	// FIXME: under ASan the call below may write to freed memory and corrupt
5569	// its metadata. See
5570	// https://github.com/google/sanitizers/issues/321.
5571	SSIZE_T res = REAL(getxattr)(path, name, value, size);
5572	if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res);
5573	return res;
5574	}
5575	INTERCEPTOR(SSIZE_T, lgetxattr, const char *path, const char *name, char *value,
5576	SIZE_T size) {
5577	void *ctx;
5578	COMMON_INTERCEPTOR_ENTER(ctx, lgetxattr, path, name, value, size);
5579	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
5580	if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
5581	// FIXME: under ASan the call below may write to freed memory and corrupt
5582	// its metadata. See
5583	// https://github.com/google/sanitizers/issues/321.
5584	SSIZE_T res = REAL(lgetxattr)(path, name, value, size);
5585	if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res);
5586	return res;
5587	}
5588	INTERCEPTOR(SSIZE_T, fgetxattr, int fd, const char *name, char *value,
5589	SIZE_T size) {
5590	void *ctx;
5591	COMMON_INTERCEPTOR_ENTER(ctx, fgetxattr, fd, name, value, size);
5592	if (name) COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
5593	// FIXME: under ASan the call below may write to freed memory and corrupt
5594	// its metadata. See
5595	// https://github.com/google/sanitizers/issues/321.
5596	SSIZE_T res = REAL(fgetxattr)(fd, name, value, size);
5597	if (size && res > 0 && value) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, res);
5598	return res;
5599	}
5600	#define INIT_GETXATTR \
5601	COMMON_INTERCEPT_FUNCTION(getxattr); \
5602	COMMON_INTERCEPT_FUNCTION(lgetxattr); \
5603	COMMON_INTERCEPT_FUNCTION(fgetxattr);
5604	#else
5605	#define INIT_GETXATTR
5606	#endif
5607
5608	#if SANITIZER_INTERCEPT_GETRESID
5609	INTERCEPTOR(int, getresuid, void *ruid, void *euid, void *suid) {
5610	void *ctx;
5611	COMMON_INTERCEPTOR_ENTER(ctx, getresuid, ruid, euid, suid);
5612	// FIXME: under ASan the call below may write to freed memory and corrupt
5613	// its metadata. See
5614	// https://github.com/google/sanitizers/issues/321.
5615	int res = REAL(getresuid)(ruid, euid, suid);
5616	if (res >= 0) {
5617	if (ruid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ruid, uid_t_sz);
5618	if (euid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, euid, uid_t_sz);
5619	if (suid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, suid, uid_t_sz);
5620	}
5621	return res;
5622	}
5623	INTERCEPTOR(int, getresgid, void *rgid, void *egid, void *sgid) {
5624	void *ctx;
5625	COMMON_INTERCEPTOR_ENTER(ctx, getresgid, rgid, egid, sgid);
5626	// FIXME: under ASan the call below may write to freed memory and corrupt
5627	// its metadata. See
5628	// https://github.com/google/sanitizers/issues/321.
5629	int res = REAL(getresgid)(rgid, egid, sgid);
5630	if (res >= 0) {
5631	if (rgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rgid, gid_t_sz);
5632	if (egid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, egid, gid_t_sz);
5633	if (sgid) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sgid, gid_t_sz);
5634	}
5635	return res;
5636	}
5637	#define INIT_GETRESID \
5638	COMMON_INTERCEPT_FUNCTION(getresuid); \
5639	COMMON_INTERCEPT_FUNCTION(getresgid);
5640	#else
5641	#define INIT_GETRESID
5642	#endif
5643
5644	#if SANITIZER_INTERCEPT_GETIFADDRS
5645	// As long as getifaddrs()/freeifaddrs() use calloc()/free(), we don't need to
5646	// intercept freeifaddrs(). If that ceases to be the case, we might need to
5647	// intercept it to poison the memory again.
5648	INTERCEPTOR(int, getifaddrs, __sanitizer_ifaddrs **ifap) {
5649	void *ctx;
5650	COMMON_INTERCEPTOR_ENTER(ctx, getifaddrs, ifap);
5651	// FIXME: under ASan the call below may write to freed memory and corrupt
5652	// its metadata. See
5653	// https://github.com/google/sanitizers/issues/321.
5654	int res = REAL(getifaddrs)(ifap);
5655	if (res == 0 && ifap) {
5656	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifap, sizeof(void *));
5657	__sanitizer_ifaddrs *p = *ifap;
5658	while (p) {
5659	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(__sanitizer_ifaddrs));
5660	if (p->ifa_name)
5661	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_name,
5662	internal_strlen(p->ifa_name) + 1);
5663	if (p->ifa_addr)
5664	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_addr, struct_sockaddr_sz);
5665	if (p->ifa_netmask)
5666	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_netmask, struct_sockaddr_sz);
5667	// On Linux this is a union, but the other member also points to a
5668	// struct sockaddr, so the following is sufficient.
5669	if (p->ifa_dstaddr)
5670	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->ifa_dstaddr, struct_sockaddr_sz);
5671	// FIXME(smatveev): Unpoison p->ifa_data as well.
5672	p = p->ifa_next;
5673	}
5674	}
5675	return res;
5676	}
5677	#define INIT_GETIFADDRS \
5678	COMMON_INTERCEPT_FUNCTION(getifaddrs);
5679	#else
5680	#define INIT_GETIFADDRS
5681	#endif
5682
5683	#if SANITIZER_INTERCEPT_IF_INDEXTONAME
5684	INTERCEPTOR(char *, if_indextoname, unsigned int ifindex, char* ifname) {
5685	void *ctx;
5686	COMMON_INTERCEPTOR_ENTER(ctx, if_indextoname, ifindex, ifname);
5687	// FIXME: under ASan the call below may write to freed memory and corrupt
5688	// its metadata. See
5689	// https://github.com/google/sanitizers/issues/321.
5690	char *res = REAL(if_indextoname)(ifindex, ifname);
5691	if (res && ifname)
5692	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ifname, internal_strlen(ifname) + 1);
5693	return res;
5694	}
5695	INTERCEPTOR(unsigned int, if_nametoindex, const char* ifname) {
5696	void *ctx;
5697	COMMON_INTERCEPTOR_ENTER(ctx, if_nametoindex, ifname);
5698	if (ifname)
5699	COMMON_INTERCEPTOR_READ_RANGE(ctx, ifname, internal_strlen(ifname) + 1);
5700	return REAL(if_nametoindex)(ifname);
5701	}
5702	#define INIT_IF_INDEXTONAME \
5703	COMMON_INTERCEPT_FUNCTION(if_indextoname); \
5704	COMMON_INTERCEPT_FUNCTION(if_nametoindex);
5705	#else
5706	#define INIT_IF_INDEXTONAME
5707	#endif
5708
5709	#if SANITIZER_INTERCEPT_CAPGET
5710	INTERCEPTOR(int, capget, void *hdrp, void *datap) {
5711	void *ctx;
5712	COMMON_INTERCEPTOR_ENTER(ctx, capget, hdrp, datap);
5713	if (hdrp)
5714	COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz);
5715	// FIXME: under ASan the call below may write to freed memory and corrupt
5716	// its metadata. See
5717	// https://github.com/google/sanitizers/issues/321.
5718	int res = REAL(capget)(hdrp, datap);
5719	if (res == 0 && datap) {
5720	unsigned datasz = __user_cap_data_struct_sz(hdrp);
5721	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datap, datasz);
5722	}
5723	// We can also return -1 and write to hdrp->version if the version passed in
5724	// hdrp->version is unsupported. But that's not a trivial condition to check,
5725	// and anyway COMMON_INTERCEPTOR_READ_RANGE protects us to some extent.
5726	return res;
5727	}
5728	INTERCEPTOR(int, capset, void *hdrp, const void *datap) {
5729	void *ctx;
5730	COMMON_INTERCEPTOR_ENTER(ctx, capset, hdrp, datap);
5731	if (hdrp)
5732	COMMON_INTERCEPTOR_READ_RANGE(ctx, hdrp, __user_cap_header_struct_sz);
5733	if (datap) {
5734	unsigned datasz = __user_cap_data_struct_sz(hdrp);
5735	COMMON_INTERCEPTOR_READ_RANGE(ctx, datap, datasz);
5736	}
5737	return REAL(capset)(hdrp, datap);
5738	}
5739	#define INIT_CAPGET \
5740	COMMON_INTERCEPT_FUNCTION(capget); \
5741	COMMON_INTERCEPT_FUNCTION(capset);
5742	#else
5743	#define INIT_CAPGET
5744	#endif
5745
5746	#if SANITIZER_INTERCEPT_FTIME
5747	INTERCEPTOR(int, ftime, __sanitizer_timeb *tp) {
5748	void *ctx;
5749	COMMON_INTERCEPTOR_ENTER(ctx, ftime, tp);
5750	// FIXME: under ASan the call below may write to freed memory and corrupt
5751	// its metadata. See
5752	// https://github.com/google/sanitizers/issues/321.
5753	int res = REAL(ftime)(tp);
5754	if (tp)
5755	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, tp, sizeof(*tp));
5756	return res;
5757	}
5758	#define INIT_FTIME COMMON_INTERCEPT_FUNCTION(ftime);
5759	#else
5760	#define INIT_FTIME
5761	#endif // SANITIZER_INTERCEPT_FTIME
5762
5763	#if SANITIZER_INTERCEPT_XDR
5764	INTERCEPTOR(void, xdrmem_create, __sanitizer_XDR *xdrs, uptr addr,
5765	unsigned size, int op) {
5766	void *ctx;
5767	COMMON_INTERCEPTOR_ENTER(ctx, xdrmem_create, xdrs, addr, size, op);
5768	// FIXME: under ASan the call below may write to freed memory and corrupt
5769	// its metadata. See
5770	// https://github.com/google/sanitizers/issues/321.
5771	REAL(xdrmem_create)(xdrs, addr, size, op);
5772	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs));
5773	if (op == __sanitizer_XDR_ENCODE) {
5774	// It's not obvious how much data individual xdr_ routines write.
5775	// Simply unpoison the entire target buffer in advance.
5776	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, (void *)addr, size);
5777	}
5778	}
5779
5780	INTERCEPTOR(void, xdrstdio_create, __sanitizer_XDR *xdrs, void *file, int op) {
5781	void *ctx;
5782	COMMON_INTERCEPTOR_ENTER(ctx, xdrstdio_create, xdrs, file, op);
5783	// FIXME: under ASan the call below may write to freed memory and corrupt
5784	// its metadata. See
5785	// https://github.com/google/sanitizers/issues/321.
5786	REAL(xdrstdio_create)(xdrs, file, op);
5787	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdrs, sizeof(*xdrs));
5788	}
5789
5790	// FIXME: under ASan the call below may write to freed memory and corrupt
5791	// its metadata. See
5792	// https://github.com/google/sanitizers/issues/321.
5793	#define XDR_INTERCEPTOR(F, T) \
5794	INTERCEPTOR(int, F, __sanitizer_XDR *xdrs, T *p) { \
5795	void *ctx; \
5796	COMMON_INTERCEPTOR_ENTER(ctx, F, xdrs, p); \
5797	if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) \
5798	COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p)); \
5799	int res = REAL(F)(xdrs, p); \
5800	if (res && p && xdrs->x_op == __sanitizer_XDR_DECODE) \
5801	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p)); \
5802	return res; \
5803	}
5804
5805	XDR_INTERCEPTOR(xdr_short, short)
5806	XDR_INTERCEPTOR(xdr_u_short, unsigned short)
5807	XDR_INTERCEPTOR(xdr_int, int)
5808	XDR_INTERCEPTOR(xdr_u_int, unsigned)
5809	XDR_INTERCEPTOR(xdr_long, long)
5810	XDR_INTERCEPTOR(xdr_u_long, unsigned long)
5811	XDR_INTERCEPTOR(xdr_hyper, long long)
5812	XDR_INTERCEPTOR(xdr_u_hyper, unsigned long long)
5813	XDR_INTERCEPTOR(xdr_longlong_t, long long)
5814	XDR_INTERCEPTOR(xdr_u_longlong_t, unsigned long long)
5815	XDR_INTERCEPTOR(xdr_int8_t, u8)
5816	XDR_INTERCEPTOR(xdr_uint8_t, u8)
5817	XDR_INTERCEPTOR(xdr_int16_t, u16)
5818	XDR_INTERCEPTOR(xdr_uint16_t, u16)
5819	XDR_INTERCEPTOR(xdr_int32_t, u32)
5820	XDR_INTERCEPTOR(xdr_uint32_t, u32)
5821	XDR_INTERCEPTOR(xdr_int64_t, u64)
5822	XDR_INTERCEPTOR(xdr_uint64_t, u64)
5823	XDR_INTERCEPTOR(xdr_quad_t, long long)
5824	XDR_INTERCEPTOR(xdr_u_quad_t, unsigned long long)
5825	XDR_INTERCEPTOR(xdr_bool, bool)
5826	XDR_INTERCEPTOR(xdr_enum, int)
5827	XDR_INTERCEPTOR(xdr_char, char)
5828	XDR_INTERCEPTOR(xdr_u_char, unsigned char)
5829	XDR_INTERCEPTOR(xdr_float, float)
5830	XDR_INTERCEPTOR(xdr_double, double)
5831
5832	// FIXME: intercept xdr_array, opaque, union, vector, reference, pointer,
5833	// wrapstring, sizeof
5834
5835	INTERCEPTOR(int, xdr_bytes, __sanitizer_XDR *xdrs, char **p, unsigned *sizep,
5836	unsigned maxsize) {
5837	void *ctx;
5838	COMMON_INTERCEPTOR_ENTER(ctx, xdr_bytes, xdrs, p, sizep, maxsize);
5839	if (p && sizep && xdrs->x_op == __sanitizer_XDR_ENCODE) {
5840	COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p));
5841	COMMON_INTERCEPTOR_READ_RANGE(ctx, sizep, sizeof(*sizep));
5842	COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, *sizep);
5843	}
5844	// FIXME: under ASan the call below may write to freed memory and corrupt
5845	// its metadata. See
5846	// https://github.com/google/sanitizers/issues/321.
5847	int res = REAL(xdr_bytes)(xdrs, p, sizep, maxsize);
5848	if (p && sizep && xdrs->x_op == __sanitizer_XDR_DECODE) {
5849	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
5850	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizep, sizeof(*sizep));
5851	if (res && *p && *sizep) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, *sizep);
5852	}
5853	return res;
5854	}
5855
5856	INTERCEPTOR(int, xdr_string, __sanitizer_XDR *xdrs, char **p,
5857	unsigned maxsize) {
5858	void *ctx;
5859	COMMON_INTERCEPTOR_ENTER(ctx, xdr_string, xdrs, p, maxsize);
5860	if (p && xdrs->x_op == __sanitizer_XDR_ENCODE) {
5861	COMMON_INTERCEPTOR_READ_RANGE(ctx, p, sizeof(*p));
5862	COMMON_INTERCEPTOR_READ_RANGE(ctx, *p, internal_strlen(*p) + 1);
5863	}
5864	// FIXME: under ASan the call below may write to freed memory and corrupt
5865	// its metadata. See
5866	// https://github.com/google/sanitizers/issues/321.
5867	int res = REAL(xdr_string)(xdrs, p, maxsize);
5868	if (p && xdrs->x_op == __sanitizer_XDR_DECODE) {
5869	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
5870	if (res && *p)
5871	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *p, internal_strlen(*p) + 1);
5872	}
5873	return res;
5874	}
5875
5876	#define INIT_XDR \
5877	COMMON_INTERCEPT_FUNCTION(xdrmem_create); \
5878	COMMON_INTERCEPT_FUNCTION(xdrstdio_create); \
5879	COMMON_INTERCEPT_FUNCTION(xdr_short); \
5880	COMMON_INTERCEPT_FUNCTION(xdr_u_short); \
5881	COMMON_INTERCEPT_FUNCTION(xdr_int); \
5882	COMMON_INTERCEPT_FUNCTION(xdr_u_int); \
5883	COMMON_INTERCEPT_FUNCTION(xdr_long); \
5884	COMMON_INTERCEPT_FUNCTION(xdr_u_long); \
5885	COMMON_INTERCEPT_FUNCTION(xdr_hyper); \
5886	COMMON_INTERCEPT_FUNCTION(xdr_u_hyper); \
5887	COMMON_INTERCEPT_FUNCTION(xdr_longlong_t); \
5888	COMMON_INTERCEPT_FUNCTION(xdr_u_longlong_t); \
5889	COMMON_INTERCEPT_FUNCTION(xdr_int8_t); \
5890	COMMON_INTERCEPT_FUNCTION(xdr_uint8_t); \
5891	COMMON_INTERCEPT_FUNCTION(xdr_int16_t); \
5892	COMMON_INTERCEPT_FUNCTION(xdr_uint16_t); \
5893	COMMON_INTERCEPT_FUNCTION(xdr_int32_t); \
5894	COMMON_INTERCEPT_FUNCTION(xdr_uint32_t); \
5895	COMMON_INTERCEPT_FUNCTION(xdr_int64_t); \
5896	COMMON_INTERCEPT_FUNCTION(xdr_uint64_t); \
5897	COMMON_INTERCEPT_FUNCTION(xdr_quad_t); \
5898	COMMON_INTERCEPT_FUNCTION(xdr_u_quad_t); \
5899	COMMON_INTERCEPT_FUNCTION(xdr_bool); \
5900	COMMON_INTERCEPT_FUNCTION(xdr_enum); \
5901	COMMON_INTERCEPT_FUNCTION(xdr_char); \
5902	COMMON_INTERCEPT_FUNCTION(xdr_u_char); \
5903	COMMON_INTERCEPT_FUNCTION(xdr_float); \
5904	COMMON_INTERCEPT_FUNCTION(xdr_double); \
5905	COMMON_INTERCEPT_FUNCTION(xdr_bytes); \
5906	COMMON_INTERCEPT_FUNCTION(xdr_string);
5907	#else
5908	#define INIT_XDR
5909	#endif // SANITIZER_INTERCEPT_XDR
5910
5911	#if SANITIZER_INTERCEPT_XDRREC
5912	typedef int (*xdrrec_cb)(char*, char*, int);
5913	struct XdrRecWrapper {
5914	char *handle;
5915	xdrrec_cb rd, wr;
5916	};
5917	typedef AddrHashMap<XdrRecWrapper *, 11> XdrRecWrapMap;
5918	static XdrRecWrapMap *xdrrec_wrap_map;
5919
5920	static int xdrrec_wr_wrap(char *handle, char *buf, int count) {
5921	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
5922	COMMON_INTERCEPTOR_INITIALIZE_RANGE(buf, count);
5923	XdrRecWrapper *wrap = (XdrRecWrapper *)handle;
5924	return wrap->wr(wrap->handle, buf, count);
5925	}
5926
5927	static int xdrrec_rd_wrap(char *handle, char *buf, int count) {
5928	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
5929	XdrRecWrapper *wrap = (XdrRecWrapper *)handle;
5930	return wrap->rd(wrap->handle, buf, count);
5931	}
5932
5933	// This doesn't apply to the solaris version as it has a different function
5934	// signature.
5935	INTERCEPTOR(void, xdrrec_create, __sanitizer_XDR *xdr, unsigned sndsize,
5936	unsigned rcvsize, char *handle, int (*rd)(char*, char*, int),
5937	int (*wr)(char*, char*, int)) {
5938	void *ctx;
5939	COMMON_INTERCEPTOR_ENTER(ctx, xdrrec_create, xdr, sndsize, rcvsize,
5940	handle, rd, wr);
5941	COMMON_INTERCEPTOR_READ_RANGE(ctx, &xdr->x_op, sizeof xdr->x_op);
5942
5943	// We can't allocate a wrapper on the stack, as the handle is used outside
5944	// this stack frame. So we put it on the heap, and keep track of it with
5945	// the HashMap (keyed by x_private). When we later need to xdr_destroy,
5946	// we can index the map, free the wrapper, and then clean the map entry.
5947	XdrRecWrapper *wrap_data =
5948	(XdrRecWrapper *)InternalAlloc(size: sizeof(XdrRecWrapper));
5949	wrap_data->handle = handle;
5950	wrap_data->rd = rd;
5951	wrap_data->wr = wr;
5952	if (wr)
5953	wr = xdrrec_wr_wrap;
5954	if (rd)
5955	rd = xdrrec_rd_wrap;
5956	handle = (char *)wrap_data;
5957
5958	REAL(xdrrec_create)(xdr, sndsize, rcvsize, handle, rd, wr);
5959	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, xdr, sizeof *xdr);
5960
5961	XdrRecWrapMap::Handle wrap(xdrrec_wrap_map, xdr->x_private, false, true);
5962	*wrap = wrap_data;
5963	}
5964
5965	// We have to intercept this to be able to free wrapper memory;
5966	// otherwise it's not necessary.
5967	INTERCEPTOR(void, xdr_destroy, __sanitizer_XDR *xdr) {
5968	void *ctx;
5969	COMMON_INTERCEPTOR_ENTER(ctx, xdr_destroy, xdr);
5970
5971	XdrRecWrapMap::Handle wrap(xdrrec_wrap_map, xdr->x_private, true);
5972	InternalFree(p: *wrap);
5973	REAL(xdr_destroy)(xdr);
5974	}
5975	#define INIT_XDRREC_LINUX \
5976	static u64 xdrrec_wrap_mem[sizeof(XdrRecWrapMap) / sizeof(u64) + 1]; \
5977	xdrrec_wrap_map = new ((void *)&xdrrec_wrap_mem) XdrRecWrapMap(); \
5978	COMMON_INTERCEPT_FUNCTION(xdrrec_create); \
5979	COMMON_INTERCEPT_FUNCTION(xdr_destroy);
5980	#else
5981	#define INIT_XDRREC_LINUX
5982	#endif
5983
5984	#if SANITIZER_INTERCEPT_TSEARCH
5985	INTERCEPTOR(void *, tsearch, void *key, void **rootp,
5986	int (*compar)(const void *, const void *)) {
5987	void *ctx;
5988	COMMON_INTERCEPTOR_ENTER(ctx, tsearch, key, rootp, compar);
5989	// FIXME: under ASan the call below may write to freed memory and corrupt
5990	// its metadata. See
5991	// https://github.com/google/sanitizers/issues/321.
5992	void *res = REAL(tsearch)(key, rootp, compar);
5993	if (res && *(void **)res == key)
5994	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, sizeof(void *));
5995	return res;
5996	}
5997	#define INIT_TSEARCH COMMON_INTERCEPT_FUNCTION(tsearch);
5998	#else
5999	#define INIT_TSEARCH
6000	#endif
6001
6002	#if SANITIZER_INTERCEPT_LIBIO_INTERNALS || SANITIZER_INTERCEPT_FOPEN || \
6003	SANITIZER_INTERCEPT_OPEN_MEMSTREAM
6004	void unpoison_file(__sanitizer_FILE *fp) {
6005	#if SANITIZER_HAS_STRUCT_FILE
6006	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp, sizeof(*fp));
6007	#if SANITIZER_NETBSD
6008	if (fp->_bf._base && fp->_bf._size > 0)
6009	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_bf._base,
6010	fp->_bf._size);
6011	#else
6012	if (fp->_IO_read_base && fp->_IO_read_base < fp->_IO_read_end)
6013	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_read_base,
6014	fp->_IO_read_end - fp->_IO_read_base);
6015	if (fp->_IO_write_base && fp->_IO_write_base < fp->_IO_write_end)
6016	COMMON_INTERCEPTOR_INITIALIZE_RANGE(fp->_IO_write_base,
6017	fp->_IO_write_end - fp->_IO_write_base);
6018	#endif
6019	#endif // SANITIZER_HAS_STRUCT_FILE
6020	}
6021	#endif
6022
6023	#if SANITIZER_INTERCEPT_LIBIO_INTERNALS
6024	// These guys are called when a .c source is built with -O2.
6025	INTERCEPTOR(int, __uflow, __sanitizer_FILE *fp) {
6026	void *ctx;
6027	COMMON_INTERCEPTOR_ENTER(ctx, __uflow, fp);
6028	int res = REAL(__uflow)(fp);
6029	unpoison_file(fp);
6030	return res;
6031	}
6032	INTERCEPTOR(int, __underflow, __sanitizer_FILE *fp) {
6033	void *ctx;
6034	COMMON_INTERCEPTOR_ENTER(ctx, __underflow, fp);
6035	int res = REAL(__underflow)(fp);
6036	unpoison_file(fp);
6037	return res;
6038	}
6039	INTERCEPTOR(int, __overflow, __sanitizer_FILE *fp, int ch) {
6040	void *ctx;
6041	COMMON_INTERCEPTOR_ENTER(ctx, __overflow, fp, ch);
6042	int res = REAL(__overflow)(fp, ch);
6043	unpoison_file(fp);
6044	return res;
6045	}
6046	INTERCEPTOR(int, __wuflow, __sanitizer_FILE *fp) {
6047	void *ctx;
6048	COMMON_INTERCEPTOR_ENTER(ctx, __wuflow, fp);
6049	int res = REAL(__wuflow)(fp);
6050	unpoison_file(fp);
6051	return res;
6052	}
6053	INTERCEPTOR(int, __wunderflow, __sanitizer_FILE *fp) {
6054	void *ctx;
6055	COMMON_INTERCEPTOR_ENTER(ctx, __wunderflow, fp);
6056	int res = REAL(__wunderflow)(fp);
6057	unpoison_file(fp);
6058	return res;
6059	}
6060	INTERCEPTOR(int, __woverflow, __sanitizer_FILE *fp, int ch) {
6061	void *ctx;
6062	COMMON_INTERCEPTOR_ENTER(ctx, __woverflow, fp, ch);
6063	int res = REAL(__woverflow)(fp, ch);
6064	unpoison_file(fp);
6065	return res;
6066	}
6067	#define INIT_LIBIO_INTERNALS \
6068	COMMON_INTERCEPT_FUNCTION(__uflow); \
6069	COMMON_INTERCEPT_FUNCTION(__underflow); \
6070	COMMON_INTERCEPT_FUNCTION(__overflow); \
6071	COMMON_INTERCEPT_FUNCTION(__wuflow); \
6072	COMMON_INTERCEPT_FUNCTION(__wunderflow); \
6073	COMMON_INTERCEPT_FUNCTION(__woverflow);
6074	#else
6075	#define INIT_LIBIO_INTERNALS
6076	#endif
6077
6078	#if SANITIZER_INTERCEPT_FOPEN
6079	INTERCEPTOR(__sanitizer_FILE *, fopen, const char *path, const char *mode) {
6080	void *ctx;
6081	COMMON_INTERCEPTOR_ENTER(ctx, fopen, path, mode);
6082	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6083	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6084	__sanitizer_FILE *res = REAL(fopen)(path, mode);
6085	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6086	if (res) unpoison_file(fp: res);
6087	return res;
6088	}
6089	INTERCEPTOR(__sanitizer_FILE *, fdopen, int fd, const char *mode) {
6090	void *ctx;
6091	COMMON_INTERCEPTOR_ENTER(ctx, fdopen, fd, mode);
6092	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6093	__sanitizer_FILE *res = REAL(fdopen)(fd, mode);
6094	if (res) unpoison_file(fp: res);
6095	return res;
6096	}
6097	INTERCEPTOR(__sanitizer_FILE *, freopen, const char *path, const char *mode,
6098	__sanitizer_FILE *fp) {
6099	void *ctx;
6100	COMMON_INTERCEPTOR_ENTER(ctx, freopen, path, mode, fp);
6101	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6102	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6103	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
6104	__sanitizer_FILE *res = REAL(freopen)(path, mode, fp);
6105	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6106	if (res) unpoison_file(fp: res);
6107	return res;
6108	}
6109	#define INIT_FOPEN \
6110	COMMON_INTERCEPT_FUNCTION(fopen); \
6111	COMMON_INTERCEPT_FUNCTION(fdopen); \
6112	COMMON_INTERCEPT_FUNCTION(freopen);
6113	#else
6114	#define INIT_FOPEN
6115	#endif
6116
6117	#if SANITIZER_INTERCEPT_FLOPEN
6118	INTERCEPTOR(int, flopen, const char *path, int flags, ...) {
6119	void *ctx;
6120	va_list ap;
6121	va_start(ap, flags);
6122	u16 mode = static_cast<u16>(va_arg(ap, u32));
6123	va_end(ap);
6124	COMMON_INTERCEPTOR_ENTER(ctx, flopen, path, flags, mode);
6125	if (path) {
6126	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6127	}
6128	return COMMON_INTERCEPTOR_BLOCK_REAL(flopen)(path, flags, mode);
6129	}
6130
6131	INTERCEPTOR(int, flopenat, int dirfd, const char *path, int flags, ...) {
6132	void *ctx;
6133	va_list ap;
6134	va_start(ap, flags);
6135	u16 mode = static_cast<u16>(va_arg(ap, u32));
6136	va_end(ap);
6137	COMMON_INTERCEPTOR_ENTER(ctx, flopen, path, flags, mode);
6138	if (path) {
6139	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6140	}
6141	return COMMON_INTERCEPTOR_BLOCK_REAL(flopenat)(dirfd, path, flags, mode);
6142	}
6143
6144	#define INIT_FLOPEN \
6145	COMMON_INTERCEPT_FUNCTION(flopen); \
6146	COMMON_INTERCEPT_FUNCTION(flopenat);
6147	#else
6148	#define INIT_FLOPEN
6149	#endif
6150
6151	#if SANITIZER_INTERCEPT_FOPEN64
6152	INTERCEPTOR(__sanitizer_FILE *, fopen64, const char *path, const char *mode) {
6153	void *ctx;
6154	COMMON_INTERCEPTOR_ENTER(ctx, fopen64, path, mode);
6155	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6156	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6157	__sanitizer_FILE *res = REAL(fopen64)(path, mode);
6158	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6159	if (res) unpoison_file(fp: res);
6160	return res;
6161	}
6162	INTERCEPTOR(__sanitizer_FILE *, freopen64, const char *path, const char *mode,
6163	__sanitizer_FILE *fp) {
6164	void *ctx;
6165	COMMON_INTERCEPTOR_ENTER(ctx, freopen64, path, mode, fp);
6166	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
6167	COMMON_INTERCEPTOR_READ_RANGE(ctx, mode, internal_strlen(mode) + 1);
6168	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
6169	__sanitizer_FILE *res = REAL(freopen64)(path, mode, fp);
6170	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, path);
6171	if (res) unpoison_file(fp: res);
6172	return res;
6173	}
6174	#define INIT_FOPEN64 \
6175	COMMON_INTERCEPT_FUNCTION(fopen64); \
6176	COMMON_INTERCEPT_FUNCTION(freopen64);
6177	#else
6178	#define INIT_FOPEN64
6179	#endif
6180
6181	#if SANITIZER_INTERCEPT_OPEN_MEMSTREAM
6182	INTERCEPTOR(__sanitizer_FILE *, open_memstream, char **ptr, SIZE_T *sizeloc) {
6183	void *ctx;
6184	COMMON_INTERCEPTOR_ENTER(ctx, open_memstream, ptr, sizeloc);
6185	// FIXME: under ASan the call below may write to freed memory and corrupt
6186	// its metadata. See
6187	// https://github.com/google/sanitizers/issues/321.
6188	__sanitizer_FILE *res = REAL(open_memstream)(ptr, sizeloc);
6189	if (res) {
6190	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr));
6191	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc));
6192	unpoison_file(fp: res);
6193	FileMetadata file = {.addr: ptr, .size: sizeloc};
6194	SetInterceptorMetadata(addr: res, file);
6195	}
6196	return res;
6197	}
6198	INTERCEPTOR(__sanitizer_FILE *, open_wmemstream, wchar_t **ptr,
6199	SIZE_T *sizeloc) {
6200	void *ctx;
6201	COMMON_INTERCEPTOR_ENTER(ctx, open_wmemstream, ptr, sizeloc);
6202	__sanitizer_FILE *res = REAL(open_wmemstream)(ptr, sizeloc);
6203	if (res) {
6204	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sizeof(*ptr));
6205	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sizeloc, sizeof(*sizeloc));
6206	unpoison_file(fp: res);
6207	FileMetadata file = {.addr: (char **)ptr, .size: sizeloc};
6208	SetInterceptorMetadata(addr: res, file);
6209	}
6210	return res;
6211	}
6212	INTERCEPTOR(__sanitizer_FILE *, fmemopen, void *buf, SIZE_T size,
6213	const char *mode) {
6214	void *ctx;
6215	COMMON_INTERCEPTOR_ENTER(ctx, fmemopen, buf, size, mode);
6216	// FIXME: under ASan the call below may write to freed memory and corrupt
6217	// its metadata. See
6218	// https://github.com/google/sanitizers/issues/321.
6219	__sanitizer_FILE *res = REAL(fmemopen)(buf, size, mode);
6220	if (res) unpoison_file(fp: res);
6221	return res;
6222	}
6223	#define INIT_OPEN_MEMSTREAM \
6224	COMMON_INTERCEPT_FUNCTION(open_memstream); \
6225	COMMON_INTERCEPT_FUNCTION(open_wmemstream); \
6226	COMMON_INTERCEPT_FUNCTION(fmemopen);
6227	#else
6228	#define INIT_OPEN_MEMSTREAM
6229	#endif
6230
6231	#if SANITIZER_INTERCEPT_OBSTACK
6232	static void initialize_obstack(__sanitizer_obstack *obstack) {
6233	COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack, sizeof(*obstack));
6234	if (obstack->chunk)
6235	COMMON_INTERCEPTOR_INITIALIZE_RANGE(obstack->chunk,
6236	sizeof(*obstack->chunk));
6237	}
6238
6239	INTERCEPTOR(int, _obstack_begin_1, __sanitizer_obstack *obstack, int sz,
6240	int align, void *(*alloc_fn)(uptr arg, uptr sz),
6241	void (*free_fn)(uptr arg, void *p)) {
6242	void *ctx;
6243	COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin_1, obstack, sz, align, alloc_fn,
6244	free_fn);
6245	int res = REAL(_obstack_begin_1)(obstack, sz, align, alloc_fn, free_fn);
6246	if (res) initialize_obstack(obstack);
6247	return res;
6248	}
6249	INTERCEPTOR(int, _obstack_begin, __sanitizer_obstack *obstack, int sz,
6250	int align, void *(*alloc_fn)(uptr sz), void (*free_fn)(void *p)) {
6251	void *ctx;
6252	COMMON_INTERCEPTOR_ENTER(ctx, _obstack_begin, obstack, sz, align, alloc_fn,
6253	free_fn);
6254	int res = REAL(_obstack_begin)(obstack, sz, align, alloc_fn, free_fn);
6255	if (res) initialize_obstack(obstack);
6256	return res;
6257	}
6258	INTERCEPTOR(void, _obstack_newchunk, __sanitizer_obstack *obstack, int length) {
6259	void *ctx;
6260	COMMON_INTERCEPTOR_ENTER(ctx, _obstack_newchunk, obstack, length);
6261	REAL(_obstack_newchunk)(obstack, length);
6262	if (obstack->chunk)
6263	COMMON_INTERCEPTOR_INITIALIZE_RANGE(
6264	obstack->chunk, obstack->next_free - (char *)obstack->chunk);
6265	}
6266	#define INIT_OBSTACK \
6267	COMMON_INTERCEPT_FUNCTION(_obstack_begin_1); \
6268	COMMON_INTERCEPT_FUNCTION(_obstack_begin); \
6269	COMMON_INTERCEPT_FUNCTION(_obstack_newchunk);
6270	#else
6271	#define INIT_OBSTACK
6272	#endif
6273
6274	#if SANITIZER_INTERCEPT_FFLUSH
6275	INTERCEPTOR(int, fflush, __sanitizer_FILE *fp) {
6276	void *ctx;
6277	COMMON_INTERCEPTOR_ENTER(ctx, fflush, fp);
6278	if (fp)
6279	unpoison_file(fp);
6280	int res = REAL(fflush)(fp);
6281	// FIXME: handle fp == NULL
6282	if (fp) {
6283	const FileMetadata *m = GetInterceptorMetadata(addr: fp);
6284	if (m) COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size);
6285	}
6286	return res;
6287	}
6288	#define INIT_FFLUSH COMMON_INTERCEPT_FUNCTION(fflush);
6289	#else
6290	#define INIT_FFLUSH
6291	#endif
6292
6293	#if SANITIZER_INTERCEPT_FCLOSE
6294	INTERCEPTOR(int, fclose, __sanitizer_FILE *fp) {
6295	void *ctx;
6296	COMMON_INTERCEPTOR_ENTER(ctx, fclose, fp);
6297	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
6298	const FileMetadata *m = GetInterceptorMetadata(addr: fp);
6299	if (fp)
6300	unpoison_file(fp);
6301	int res = REAL(fclose)(fp);
6302	if (m) {
6303	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size);
6304	DeleteInterceptorMetadata(addr: fp);
6305	}
6306	return res;
6307	}
6308	#define INIT_FCLOSE COMMON_INTERCEPT_FUNCTION(fclose);
6309	#else
6310	#define INIT_FCLOSE
6311	#endif
6312
6313	#if SANITIZER_INTERCEPT_DLOPEN_DLCLOSE
6314	INTERCEPTOR(void*, dlopen, const char *filename, int flag) {
6315	void *ctx;
6316	COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlopen, filename, flag);
6317
6318	if (filename) {
6319	COMMON_INTERCEPTOR_READ_STRING(ctx, filename, 0);
6320
6321	# if !SANITIZER_DYNAMIC
6322	// We care about a very specific use-case: dladdr on
6323	// statically-linked ASan may return <main program>
6324	// instead of the library.
6325	// We therefore only take effect if the sanitizer is statically
6326	// linked, and we don't bother canonicalizing paths because
6327	// dladdr should return the same address both times (we assume
6328	// the user did not canonicalize the result from dladdr).
6329	if (common_flags()->test_only_replace_dlopen_main_program) {
6330	VPrintf(1, "dlopen interceptor: filename: %s\n", filename);
6331
6332	const char *SelfFName = DladdrSelfFName();
6333	VPrintf(1, "dlopen interceptor: DladdrSelfFName: %p %s\n",
6334	(void *)SelfFName, SelfFName);
6335
6336	if (SelfFName && internal_strcmp(s1: SelfFName, s2: filename) == 0) {
6337	// It's possible they copied the string from dladdr, so
6338	// we do a string comparison rather than pointer comparison.
6339	VPrintf(1, "dlopen interceptor: replacing %s because it matches %s\n",
6340	filename, SelfFName);
6341	filename = (char *)0; // RTLD_DEFAULT
6342	}
6343	}
6344	# endif // !SANITIZER_DYNAMIC
6345	}
6346
6347	void *res = COMMON_INTERCEPTOR_DLOPEN(filename, flag);
6348	Symbolizer::GetOrInit()->InvalidateModuleList();
6349	COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, res);
6350	return res;
6351	}
6352
6353	INTERCEPTOR(int, dlclose, void *handle) {
6354	void *ctx;
6355	COMMON_INTERCEPTOR_ENTER_NOIGNORE(ctx, dlclose, handle);
6356	int res = REAL(dlclose)(handle);
6357	Symbolizer::GetOrInit()->InvalidateModuleList();
6358	COMMON_INTERCEPTOR_LIBRARY_UNLOADED();
6359	return res;
6360	}
6361	#define INIT_DLOPEN_DLCLOSE \
6362	COMMON_INTERCEPT_FUNCTION(dlopen); \
6363	COMMON_INTERCEPT_FUNCTION(dlclose);
6364	#else
6365	#define INIT_DLOPEN_DLCLOSE
6366	#endif
6367
6368	#if SANITIZER_INTERCEPT_GETPASS
6369	INTERCEPTOR(char *, getpass, const char *prompt) {
6370	void *ctx;
6371	COMMON_INTERCEPTOR_ENTER(ctx, getpass, prompt);
6372	if (prompt)
6373	COMMON_INTERCEPTOR_READ_RANGE(ctx, prompt, internal_strlen(prompt)+1);
6374	char *res = REAL(getpass)(prompt);
6375	if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res)+1);
6376	return res;
6377	}
6378
6379	#define INIT_GETPASS COMMON_INTERCEPT_FUNCTION(getpass);
6380	#else
6381	#define INIT_GETPASS
6382	#endif
6383
6384	#if SANITIZER_INTERCEPT_TIMERFD
6385	INTERCEPTOR(int, timerfd_settime, int fd, int flags, void *new_value,
6386	void *old_value) {
6387	void *ctx;
6388	COMMON_INTERCEPTOR_ENTER(ctx, timerfd_settime, fd, flags, new_value,
6389	old_value);
6390	COMMON_INTERCEPTOR_READ_RANGE(ctx, new_value, struct_itimerspec_sz);
6391	int res = REAL(timerfd_settime)(fd, flags, new_value, old_value);
6392	if (res != -1 && old_value)
6393	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, old_value, struct_itimerspec_sz);
6394	return res;
6395	}
6396
6397	INTERCEPTOR(int, timerfd_gettime, int fd, void *curr_value) {
6398	void *ctx;
6399	COMMON_INTERCEPTOR_ENTER(ctx, timerfd_gettime, fd, curr_value);
6400	int res = REAL(timerfd_gettime)(fd, curr_value);
6401	if (res != -1 && curr_value)
6402	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, curr_value, struct_itimerspec_sz);
6403	return res;
6404	}
6405	#define INIT_TIMERFD \
6406	COMMON_INTERCEPT_FUNCTION(timerfd_settime); \
6407	COMMON_INTERCEPT_FUNCTION(timerfd_gettime);
6408	#else
6409	#define INIT_TIMERFD
6410	#endif
6411
6412	#if SANITIZER_INTERCEPT_MLOCKX
6413	// Linux kernel has a bug that leads to kernel deadlock if a process
6414	// maps TBs of memory and then calls mlock().
6415	static void MlockIsUnsupported() {
6416	static atomic_uint8_t printed;
6417	if (atomic_exchange(a: &printed, v: 1, mo: memory_order_relaxed))
6418	return;
6419	VPrintf(1, "%s ignores mlock/mlockall/munlock/munlockall\n",
6420	SanitizerToolName);
6421	}
6422
6423	INTERCEPTOR(int, mlock, const void *addr, uptr len) {
6424	MlockIsUnsupported();
6425	return 0;
6426	}
6427
6428	INTERCEPTOR(int, munlock, const void *addr, uptr len) {
6429	MlockIsUnsupported();
6430	return 0;
6431	}
6432
6433	INTERCEPTOR(int, mlockall, int flags) {
6434	MlockIsUnsupported();
6435	return 0;
6436	}
6437
6438	INTERCEPTOR(int, munlockall, void) {
6439	MlockIsUnsupported();
6440	return 0;
6441	}
6442
6443	#define INIT_MLOCKX \
6444	COMMON_INTERCEPT_FUNCTION(mlock); \
6445	COMMON_INTERCEPT_FUNCTION(munlock); \
6446	COMMON_INTERCEPT_FUNCTION(mlockall); \
6447	COMMON_INTERCEPT_FUNCTION(munlockall);
6448
6449	#else
6450	#define INIT_MLOCKX
6451	#endif // SANITIZER_INTERCEPT_MLOCKX
6452
6453	#if SANITIZER_INTERCEPT_FOPENCOOKIE
6454	struct WrappedCookie {
6455	void *real_cookie;
6456	__sanitizer_cookie_io_functions_t real_io_funcs;
6457	};
6458
6459	static uptr wrapped_read(void *cookie, char *buf, uptr size) {
6460	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6461	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6462	__sanitizer_cookie_io_read real_read = wrapped_cookie->real_io_funcs.read;
6463	return real_read ? real_read(wrapped_cookie->real_cookie, buf, size) : 0;
6464	}
6465
6466	static uptr wrapped_write(void *cookie, const char *buf, uptr size) {
6467	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6468	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6469	__sanitizer_cookie_io_write real_write = wrapped_cookie->real_io_funcs.write;
6470	return real_write ? real_write(wrapped_cookie->real_cookie, buf, size) : size;
6471	}
6472
6473	static int wrapped_seek(void *cookie, u64 *offset, int whence) {
6474	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
6475	COMMON_INTERCEPTOR_INITIALIZE_RANGE(offset, sizeof(*offset));
6476	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6477	__sanitizer_cookie_io_seek real_seek = wrapped_cookie->real_io_funcs.seek;
6478	return real_seek ? real_seek(wrapped_cookie->real_cookie, offset, whence)
6479	: -1;
6480	}
6481
6482	static int wrapped_close(void *cookie) {
6483	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
6484	WrappedCookie *wrapped_cookie = (WrappedCookie *)cookie;
6485	__sanitizer_cookie_io_close real_close = wrapped_cookie->real_io_funcs.close;
6486	int res = real_close ? real_close(wrapped_cookie->real_cookie) : 0;
6487	InternalFree(p: wrapped_cookie);
6488	return res;
6489	}
6490
6491	INTERCEPTOR(__sanitizer_FILE *, fopencookie, void *cookie, const char *mode,
6492	__sanitizer_cookie_io_functions_t io_funcs) {
6493	void *ctx;
6494	COMMON_INTERCEPTOR_ENTER(ctx, fopencookie, cookie, mode, io_funcs);
6495	WrappedCookie *wrapped_cookie =
6496	(WrappedCookie *)InternalAlloc(size: sizeof(WrappedCookie));
6497	wrapped_cookie->real_cookie = cookie;
6498	wrapped_cookie->real_io_funcs = io_funcs;
6499	__sanitizer_FILE *res =
6500	REAL(fopencookie)(wrapped_cookie, mode, {.read: wrapped_read, .write: wrapped_write,
6501	.seek: wrapped_seek, .close: wrapped_close});
6502	return res;
6503	}
6504
6505	#define INIT_FOPENCOOKIE COMMON_INTERCEPT_FUNCTION(fopencookie);
6506	#else
6507	#define INIT_FOPENCOOKIE
6508	#endif // SANITIZER_INTERCEPT_FOPENCOOKIE
6509
6510	#if SANITIZER_INTERCEPT_SEM
6511	INTERCEPTOR(int, sem_init, __sanitizer_sem_t *s, int pshared, unsigned value) {
6512	void *ctx;
6513	COMMON_INTERCEPTOR_ENTER(ctx, sem_init, s, pshared, value);
6514	// Workaround a bug in glibc's "old" semaphore implementation by
6515	// zero-initializing the sem_t contents. This has to be done here because
6516	// interceptors bind to the lowest version before glibc 2.36, hitting the
6517	// buggy code path while the non-sanitized build of the same code works fine.
6518	REAL(memset)(s, 0, sizeof(*s));
6519	int res = REAL(sem_init)(s, pshared, value);
6520	return res;
6521	}
6522
6523	INTERCEPTOR(int, sem_destroy, __sanitizer_sem_t *s) {
6524	void *ctx;
6525	COMMON_INTERCEPTOR_ENTER(ctx, sem_destroy, s);
6526	int res = REAL(sem_destroy)(s);
6527	return res;
6528	}
6529
6530	INTERCEPTOR(int, sem_wait, __sanitizer_sem_t *s) {
6531	void *ctx;
6532	COMMON_INTERCEPTOR_ENTER(ctx, sem_wait, s);
6533	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_wait)(s);
6534	if (res == 0) {
6535	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6536	}
6537	return res;
6538	}
6539
6540	INTERCEPTOR(int, sem_trywait, __sanitizer_sem_t *s) {
6541	void *ctx;
6542	COMMON_INTERCEPTOR_ENTER(ctx, sem_trywait, s);
6543	int res = REAL(sem_trywait)(s);
6544	if (res == 0) {
6545	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6546	}
6547	return res;
6548	}
6549
6550	INTERCEPTOR(int, sem_timedwait, __sanitizer_sem_t *s, void *abstime) {
6551	void *ctx;
6552	COMMON_INTERCEPTOR_ENTER(ctx, sem_timedwait, s, abstime);
6553	COMMON_INTERCEPTOR_READ_RANGE(ctx, abstime, struct_timespec_sz);
6554	int res = COMMON_INTERCEPTOR_BLOCK_REAL(sem_timedwait)(s, abstime);
6555	if (res == 0) {
6556	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6557	}
6558	return res;
6559	}
6560
6561	INTERCEPTOR(int, sem_post, __sanitizer_sem_t *s) {
6562	void *ctx;
6563	COMMON_INTERCEPTOR_ENTER(ctx, sem_post, s);
6564	COMMON_INTERCEPTOR_RELEASE(ctx, (uptr)s);
6565	int res = REAL(sem_post)(s);
6566	return res;
6567	}
6568
6569	INTERCEPTOR(int, sem_getvalue, __sanitizer_sem_t *s, int *sval) {
6570	void *ctx;
6571	COMMON_INTERCEPTOR_ENTER(ctx, sem_getvalue, s, sval);
6572	int res = REAL(sem_getvalue)(s, sval);
6573	if (res == 0) {
6574	COMMON_INTERCEPTOR_ACQUIRE(ctx, (uptr)s);
6575	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sval, sizeof(*sval));
6576	}
6577	return res;
6578	}
6579
6580	INTERCEPTOR(__sanitizer_sem_t *, sem_open, const char *name, int oflag, ...) {
6581	void *ctx;
6582	va_list ap;
6583	va_start(ap, oflag);
6584	u32 mode = va_arg(ap, u32);
6585	u32 value = va_arg(ap, u32);
6586	COMMON_INTERCEPTOR_ENTER(ctx, sem_open, name, oflag, mode, value);
6587	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
6588	__sanitizer_sem_t *s = REAL(sem_open)(name, oflag, mode, value);
6589	if (s)
6590	COMMON_INTERCEPTOR_INITIALIZE_RANGE(s, sizeof(*s));
6591	va_end(ap);
6592	return s;
6593	}
6594
6595	INTERCEPTOR(int, sem_unlink, const char *name) {
6596	void *ctx;
6597	COMMON_INTERCEPTOR_ENTER(ctx, sem_unlink, name);
6598	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
6599	return REAL(sem_unlink)(name);
6600	}
6601
6602	# define INIT_SEM \
6603	COMMON_INTERCEPT_FUNCTION(sem_init); \
6604	COMMON_INTERCEPT_FUNCTION(sem_destroy); \
6605	COMMON_INTERCEPT_FUNCTION(sem_wait); \
6606	COMMON_INTERCEPT_FUNCTION(sem_trywait); \
6607	COMMON_INTERCEPT_FUNCTION(sem_timedwait); \
6608	COMMON_INTERCEPT_FUNCTION(sem_post); \
6609	COMMON_INTERCEPT_FUNCTION(sem_getvalue); \
6610	COMMON_INTERCEPT_FUNCTION(sem_open); \
6611	COMMON_INTERCEPT_FUNCTION(sem_unlink);
6612	#else
6613	# define INIT_SEM
6614	#endif // SANITIZER_INTERCEPT_SEM
6615
6616	#if SANITIZER_INTERCEPT_PTHREAD_SETCANCEL
6617	INTERCEPTOR(int, pthread_setcancelstate, int state, int *oldstate) {
6618	void *ctx;
6619	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcancelstate, state, oldstate);
6620	int res = REAL(pthread_setcancelstate)(state, oldstate);
6621	if (res == 0 && oldstate != nullptr)
6622	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldstate, sizeof(*oldstate));
6623	return res;
6624	}
6625
6626	INTERCEPTOR(int, pthread_setcanceltype, int type, int *oldtype) {
6627	void *ctx;
6628	COMMON_INTERCEPTOR_ENTER(ctx, pthread_setcanceltype, type, oldtype);
6629	int res = REAL(pthread_setcanceltype)(type, oldtype);
6630	if (res == 0 && oldtype != nullptr)
6631	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldtype, sizeof(*oldtype));
6632	return res;
6633	}
6634	#define INIT_PTHREAD_SETCANCEL \
6635	COMMON_INTERCEPT_FUNCTION(pthread_setcancelstate); \
6636	COMMON_INTERCEPT_FUNCTION(pthread_setcanceltype);
6637	#else
6638	#define INIT_PTHREAD_SETCANCEL
6639	#endif
6640
6641	#if SANITIZER_INTERCEPT_MINCORE
6642	INTERCEPTOR(int, mincore, void *addr, uptr length, unsigned char *vec) {
6643	void *ctx;
6644	COMMON_INTERCEPTOR_ENTER(ctx, mincore, addr, length, vec);
6645	int res = REAL(mincore)(addr, length, vec);
6646	if (res == 0) {
6647	uptr page_size = GetPageSizeCached();
6648	uptr vec_size = ((length + page_size - 1) & (~(page_size - 1))) / page_size;
6649	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, vec, vec_size);
6650	}
6651	return res;
6652	}
6653	#define INIT_MINCORE COMMON_INTERCEPT_FUNCTION(mincore);
6654	#else
6655	#define INIT_MINCORE
6656	#endif
6657
6658	#if SANITIZER_INTERCEPT_PROCESS_VM_READV
6659	INTERCEPTOR(SSIZE_T, process_vm_readv, int pid, __sanitizer_iovec *local_iov,
6660	uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt,
6661	uptr flags) {
6662	void *ctx;
6663	COMMON_INTERCEPTOR_ENTER(ctx, process_vm_readv, pid, local_iov, liovcnt,
6664	remote_iov, riovcnt, flags);
6665	SSIZE_T res = REAL(process_vm_readv)(pid, local_iov, liovcnt, remote_iov,
6666	riovcnt, flags);
6667	if (res > 0)
6668	write_iovec(ctx, iovec: local_iov, iovlen: liovcnt, maxlen: res);
6669	return res;
6670	}
6671
6672	INTERCEPTOR(SSIZE_T, process_vm_writev, int pid, __sanitizer_iovec *local_iov,
6673	uptr liovcnt, __sanitizer_iovec *remote_iov, uptr riovcnt,
6674	uptr flags) {
6675	void *ctx;
6676	COMMON_INTERCEPTOR_ENTER(ctx, process_vm_writev, pid, local_iov, liovcnt,
6677	remote_iov, riovcnt, flags);
6678	SSIZE_T res = REAL(process_vm_writev)(pid, local_iov, liovcnt, remote_iov,
6679	riovcnt, flags);
6680	if (res > 0)
6681	read_iovec(ctx, iovec: local_iov, iovlen: liovcnt, maxlen: res);
6682	return res;
6683	}
6684	#define INIT_PROCESS_VM_READV \
6685	COMMON_INTERCEPT_FUNCTION(process_vm_readv); \
6686	COMMON_INTERCEPT_FUNCTION(process_vm_writev);
6687	#else
6688	#define INIT_PROCESS_VM_READV
6689	#endif
6690
6691	#if SANITIZER_INTERCEPT_CTERMID
6692	INTERCEPTOR(char *, ctermid, char *s) {
6693	void *ctx;
6694	COMMON_INTERCEPTOR_ENTER(ctx, ctermid, s);
6695	char *res = REAL(ctermid)(s);
6696	if (res) {
6697	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
6698	}
6699	return res;
6700	}
6701	#define INIT_CTERMID COMMON_INTERCEPT_FUNCTION(ctermid);
6702	#else
6703	#define INIT_CTERMID
6704	#endif
6705
6706	#if SANITIZER_INTERCEPT_CTERMID_R
6707	INTERCEPTOR(char *, ctermid_r, char *s) {
6708	void *ctx;
6709	COMMON_INTERCEPTOR_ENTER(ctx, ctermid_r, s);
6710	char *res = REAL(ctermid_r)(s);
6711	if (res) {
6712	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
6713	}
6714	return res;
6715	}
6716	#define INIT_CTERMID_R COMMON_INTERCEPT_FUNCTION(ctermid_r);
6717	#else
6718	#define INIT_CTERMID_R
6719	#endif
6720
6721	#if SANITIZER_INTERCEPT_RECV_RECVFROM
6722	INTERCEPTOR(SSIZE_T, recv, int fd, void *buf, SIZE_T len, int flags) {
6723	void *ctx;
6724	COMMON_INTERCEPTOR_ENTER(ctx, recv, fd, buf, len, flags);
6725	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6726	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(recv)(fd, buf, len, flags);
6727	if (res > 0) {
6728	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, Min((SIZE_T)res, len));
6729	}
6730	if (res >= 0 && fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
6731	return res;
6732	}
6733
6734	INTERCEPTOR(SSIZE_T, recvfrom, int fd, void *buf, SIZE_T len, int flags,
6735	void *srcaddr, int *addrlen) {
6736	void *ctx;
6737	COMMON_INTERCEPTOR_ENTER(ctx, recvfrom, fd, buf, len, flags, srcaddr,
6738	addrlen);
6739	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6740	SIZE_T srcaddr_sz;
6741	if (srcaddr) srcaddr_sz = *addrlen;
6742	(void)srcaddr_sz; // prevent "set but not used" warning
6743	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(recvfrom)(fd, buf, len, flags,
6744	srcaddr, addrlen);
6745	if (res > 0)
6746	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, Min((SIZE_T)res, len));
6747	if (res >= 0 && srcaddr)
6748	COMMON_INTERCEPTOR_INITIALIZE_RANGE(srcaddr,
6749	Min((SIZE_T)*addrlen, srcaddr_sz));
6750	return res;
6751	}
6752	#define INIT_RECV_RECVFROM \
6753	COMMON_INTERCEPT_FUNCTION(recv); \
6754	COMMON_INTERCEPT_FUNCTION(recvfrom);
6755	#else
6756	#define INIT_RECV_RECVFROM
6757	#endif
6758
6759	#if SANITIZER_INTERCEPT_SEND_SENDTO
6760	INTERCEPTOR(SSIZE_T, send, int fd, void *buf, SIZE_T len, int flags) {
6761	void *ctx;
6762	COMMON_INTERCEPTOR_ENTER(ctx, send, fd, buf, len, flags);
6763	if (fd >= 0) {
6764	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6765	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
6766	}
6767	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(send)(fd, buf, len, flags);
6768	if (common_flags()->intercept_send && res > 0)
6769	COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, Min((SIZE_T)res, len));
6770	return res;
6771	}
6772
6773	INTERCEPTOR(SSIZE_T, sendto, int fd, void *buf, SIZE_T len, int flags,
6774	void *dstaddr, int addrlen) {
6775	void *ctx;
6776	COMMON_INTERCEPTOR_ENTER(ctx, sendto, fd, buf, len, flags, dstaddr, addrlen);
6777	if (fd >= 0) {
6778	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6779	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
6780	}
6781	// Can't check dstaddr as it may have uninitialized padding at the end.
6782	SSIZE_T res = COMMON_INTERCEPTOR_BLOCK_REAL(sendto)(fd, buf, len, flags,
6783	dstaddr, addrlen);
6784	if (common_flags()->intercept_send && res > 0)
6785	COMMON_INTERCEPTOR_READ_RANGE(ctx, buf, Min((SIZE_T)res, len));
6786	return res;
6787	}
6788	#define INIT_SEND_SENDTO \
6789	COMMON_INTERCEPT_FUNCTION(send); \
6790	COMMON_INTERCEPT_FUNCTION(sendto);
6791	#else
6792	#define INIT_SEND_SENDTO
6793	#endif
6794
6795	#if SANITIZER_INTERCEPT_EVENTFD_READ_WRITE
6796	INTERCEPTOR(int, eventfd_read, int fd, __sanitizer_eventfd_t *value) {
6797	void *ctx;
6798	COMMON_INTERCEPTOR_ENTER(ctx, eventfd_read, fd, value);
6799	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6800	int res = COMMON_INTERCEPTOR_BLOCK_REAL(eventfd_read)(fd, value);
6801	if (res == 0) {
6802	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, value, sizeof(*value));
6803	if (fd >= 0) COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
6804	}
6805	return res;
6806	}
6807	INTERCEPTOR(int, eventfd_write, int fd, __sanitizer_eventfd_t value) {
6808	void *ctx;
6809	COMMON_INTERCEPTOR_ENTER(ctx, eventfd_write, fd, value);
6810	if (fd >= 0) {
6811	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
6812	COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd);
6813	}
6814	int res = COMMON_INTERCEPTOR_BLOCK_REAL(eventfd_write)(fd, value);
6815	return res;
6816	}
6817	#define INIT_EVENTFD_READ_WRITE \
6818	COMMON_INTERCEPT_FUNCTION(eventfd_read); \
6819	COMMON_INTERCEPT_FUNCTION(eventfd_write)
6820	#else
6821	#define INIT_EVENTFD_READ_WRITE
6822	#endif
6823
6824	#if SANITIZER_INTERCEPT_STAT
6825	INTERCEPTOR(int, stat, const char *path, void *buf) {
6826	void *ctx;
6827	COMMON_INTERCEPTOR_ENTER(ctx, stat, path, buf);
6828	if (common_flags()->intercept_stat)
6829	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6830	int res = REAL(stat)(path, buf);
6831	if (!res)
6832	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
6833	return res;
6834	}
6835	#define INIT_STAT COMMON_INTERCEPT_FUNCTION(stat)
6836	#else
6837	#define INIT_STAT
6838	#endif
6839
6840	#if SANITIZER_INTERCEPT_STAT64
6841	INTERCEPTOR(int, stat64, const char *path, void *buf) {
6842	void *ctx;
6843	COMMON_INTERCEPTOR_ENTER(ctx, stat64, path, buf);
6844	if (common_flags()->intercept_stat)
6845	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6846	int res = REAL(stat64)(path, buf);
6847	if (!res)
6848	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
6849	return res;
6850	}
6851	#define INIT_STAT64 COMMON_INTERCEPT_FUNCTION(stat64)
6852	#else
6853	#define INIT_STAT64
6854	#endif
6855
6856
6857	#if SANITIZER_INTERCEPT_LSTAT
6858	INTERCEPTOR(int, lstat, const char *path, void *buf) {
6859	void *ctx;
6860	COMMON_INTERCEPTOR_ENTER(ctx, lstat, path, buf);
6861	if (common_flags()->intercept_stat)
6862	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6863	int res = REAL(lstat)(path, buf);
6864	if (!res)
6865	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
6866	return res;
6867	}
6868	#define INIT_LSTAT COMMON_INTERCEPT_FUNCTION(lstat)
6869	#else
6870	#define INIT_LSTAT
6871	#endif
6872
6873	#if SANITIZER_INTERCEPT_STAT64
6874	INTERCEPTOR(int, lstat64, const char *path, void *buf) {
6875	void *ctx;
6876	COMMON_INTERCEPTOR_ENTER(ctx, lstat64, path, buf);
6877	if (common_flags()->intercept_stat)
6878	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6879	int res = REAL(lstat64)(path, buf);
6880	if (!res)
6881	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
6882	return res;
6883	}
6884	#define INIT_LSTAT64 COMMON_INTERCEPT_FUNCTION(lstat64)
6885	#else
6886	#define INIT_LSTAT64
6887	#endif
6888
6889	#if SANITIZER_INTERCEPT___XSTAT
6890	INTERCEPTOR(int, __xstat, int version, const char *path, void *buf) {
6891	void *ctx;
6892	COMMON_INTERCEPTOR_ENTER(ctx, __xstat, version, path, buf);
6893	if (common_flags()->intercept_stat)
6894	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6895	int res = REAL(__xstat)(version, path, buf);
6896	if (!res)
6897	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
6898	return res;
6899	}
6900	#define INIT___XSTAT COMMON_INTERCEPT_FUNCTION(__xstat)
6901	#else
6902	#define INIT___XSTAT
6903	#endif
6904
6905	#if SANITIZER_INTERCEPT___XSTAT64
6906	INTERCEPTOR(int, __xstat64, int version, const char *path, void *buf) {
6907	void *ctx;
6908	COMMON_INTERCEPTOR_ENTER(ctx, __xstat64, version, path, buf);
6909	if (common_flags()->intercept_stat)
6910	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6911	int res = REAL(__xstat64)(version, path, buf);
6912	if (!res)
6913	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
6914	return res;
6915	}
6916	#define INIT___XSTAT64 COMMON_INTERCEPT_FUNCTION(__xstat64)
6917	#else
6918	#define INIT___XSTAT64
6919	#endif
6920
6921	#if SANITIZER_INTERCEPT___LXSTAT
6922	INTERCEPTOR(int, __lxstat, int version, const char *path, void *buf) {
6923	void *ctx;
6924	COMMON_INTERCEPTOR_ENTER(ctx, __lxstat, version, path, buf);
6925	if (common_flags()->intercept_stat)
6926	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6927	int res = REAL(__lxstat)(version, path, buf);
6928	if (!res)
6929	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz);
6930	return res;
6931	}
6932	#define INIT___LXSTAT COMMON_INTERCEPT_FUNCTION(__lxstat)
6933	#else
6934	#define INIT___LXSTAT
6935	#endif
6936
6937	#if SANITIZER_INTERCEPT___LXSTAT64
6938	INTERCEPTOR(int, __lxstat64, int version, const char *path, void *buf) {
6939	void *ctx;
6940	COMMON_INTERCEPTOR_ENTER(ctx, __lxstat64, version, path, buf);
6941	if (common_flags()->intercept_stat)
6942	COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
6943	int res = REAL(__lxstat64)(version, path, buf);
6944	if (!res)
6945	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat64_sz);
6946	return res;
6947	}
6948	#define INIT___LXSTAT64 COMMON_INTERCEPT_FUNCTION(__lxstat64)
6949	#else
6950	#define INIT___LXSTAT64
6951	#endif
6952
6953	// FIXME: add other *stat interceptor
6954
6955	#if SANITIZER_INTERCEPT_UTMP
6956	INTERCEPTOR(void *, getutent, int dummy) {
6957	void *ctx;
6958	COMMON_INTERCEPTOR_ENTER(ctx, getutent, dummy);
6959	void *res = REAL(getutent)(dummy);
6960	if (res)
6961	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz);
6962	return res;
6963	}
6964	INTERCEPTOR(void *, getutid, void *ut) {
6965	void *ctx;
6966	COMMON_INTERCEPTOR_ENTER(ctx, getutid, ut);
6967	void *res = REAL(getutid)(ut);
6968	if (res)
6969	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz);
6970	return res;
6971	}
6972	INTERCEPTOR(void *, getutline, void *ut) {
6973	void *ctx;
6974	COMMON_INTERCEPTOR_ENTER(ctx, getutline, ut);
6975	void *res = REAL(getutline)(ut);
6976	if (res)
6977	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmp_sz);
6978	return res;
6979	}
6980	#define INIT_UTMP \
6981	COMMON_INTERCEPT_FUNCTION(getutent); \
6982	COMMON_INTERCEPT_FUNCTION(getutid); \
6983	COMMON_INTERCEPT_FUNCTION(getutline);
6984	#else
6985	#define INIT_UTMP
6986	#endif
6987
6988	#if SANITIZER_INTERCEPT_UTMPX
6989	INTERCEPTOR(void *, getutxent, int dummy) {
6990	void *ctx;
6991	COMMON_INTERCEPTOR_ENTER(ctx, getutxent, dummy);
6992	void *res = REAL(getutxent)(dummy);
6993	if (res)
6994	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz);
6995	return res;
6996	}
6997	INTERCEPTOR(void *, getutxid, void *ut) {
6998	void *ctx;
6999	COMMON_INTERCEPTOR_ENTER(ctx, getutxid, ut);
7000	void *res = REAL(getutxid)(ut);
7001	if (res)
7002	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz);
7003	return res;
7004	}
7005	INTERCEPTOR(void *, getutxline, void *ut) {
7006	void *ctx;
7007	COMMON_INTERCEPTOR_ENTER(ctx, getutxline, ut);
7008	void *res = REAL(getutxline)(ut);
7009	if (res)
7010	COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, __sanitizer::struct_utmpx_sz);
7011	return res;
7012	}
7013	INTERCEPTOR(void *, pututxline, const void *ut) {
7014	void *ctx;
7015	COMMON_INTERCEPTOR_ENTER(ctx, pututxline, ut);
7016	if (ut)
7017	COMMON_INTERCEPTOR_READ_RANGE(ctx, ut, __sanitizer::struct_utmpx_sz);
7018	void *res = REAL(pututxline)(ut);
7019	if (res)
7020	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer::struct_utmpx_sz);
7021	return res;
7022	}
7023	#define INIT_UTMPX \
7024	COMMON_INTERCEPT_FUNCTION(getutxent); \
7025	COMMON_INTERCEPT_FUNCTION(getutxid); \
7026	COMMON_INTERCEPT_FUNCTION(getutxline); \
7027	COMMON_INTERCEPT_FUNCTION(pututxline);
7028	#else
7029	#define INIT_UTMPX
7030	#endif
7031
7032	#if SANITIZER_INTERCEPT_GETLOADAVG
7033	INTERCEPTOR(int, getloadavg, double *loadavg, int nelem) {
7034	void *ctx;
7035	COMMON_INTERCEPTOR_ENTER(ctx, getloadavg, loadavg, nelem);
7036	int res = REAL(getloadavg)(loadavg, nelem);
7037	if (res > 0)
7038	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, loadavg, res * sizeof(*loadavg));
7039	return res;
7040	}
7041	#define INIT_GETLOADAVG \
7042	COMMON_INTERCEPT_FUNCTION(getloadavg);
7043	#else
7044	#define INIT_GETLOADAVG
7045	#endif
7046
7047	#if SANITIZER_INTERCEPT_MCHECK_MPROBE
7048	INTERCEPTOR(int, mcheck, void (*abortfunc)(int mstatus)) {
7049	return 0;
7050	}
7051
7052	INTERCEPTOR(int, mcheck_pedantic, void (*abortfunc)(int mstatus)) {
7053	return 0;
7054	}
7055
7056	INTERCEPTOR(int, mprobe, void *ptr) {
7057	return 0;
7058	}
7059	#endif
7060
7061	#if SANITIZER_INTERCEPT_WCSLEN
7062	INTERCEPTOR(SIZE_T, wcslen, const wchar_t *s) {
7063	void *ctx;
7064	COMMON_INTERCEPTOR_ENTER(ctx, wcslen, s);
7065	SIZE_T res = REAL(wcslen)(s);
7066	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * (res + 1));
7067	return res;
7068	}
7069
7070	INTERCEPTOR(SIZE_T, wcsnlen, const wchar_t *s, SIZE_T n) {
7071	void *ctx;
7072	COMMON_INTERCEPTOR_ENTER(ctx, wcsnlen, s, n);
7073	SIZE_T res = REAL(wcsnlen)(s, n);
7074	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * Min(res + 1, n));
7075	return res;
7076	}
7077	#define INIT_WCSLEN \
7078	COMMON_INTERCEPT_FUNCTION(wcslen); \
7079	COMMON_INTERCEPT_FUNCTION(wcsnlen);
7080	#else
7081	#define INIT_WCSLEN
7082	#endif
7083
7084	#if SANITIZER_INTERCEPT_WCSCAT
7085	INTERCEPTOR(wchar_t *, wcscat, wchar_t *dst, const wchar_t *src) {
7086	void *ctx;
7087	COMMON_INTERCEPTOR_ENTER(ctx, wcscat, dst, src);
7088	SIZE_T src_size = internal_wcslen(s: src);
7089	SIZE_T dst_size = internal_wcslen(s: dst);
7090	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, (src_size + 1) * sizeof(wchar_t));
7091	COMMON_INTERCEPTOR_READ_RANGE(ctx, dst, (dst_size + 1) * sizeof(wchar_t));
7092	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst + dst_size,
7093	(src_size + 1) * sizeof(wchar_t));
7094	return REAL(wcscat)(dst, src);
7095	}
7096
7097	INTERCEPTOR(wchar_t *, wcsncat, wchar_t *dst, const wchar_t *src, SIZE_T n) {
7098	void *ctx;
7099	COMMON_INTERCEPTOR_ENTER(ctx, wcsncat, dst, src, n);
7100	SIZE_T src_size = internal_wcsnlen(s: src, maxlen: n);
7101	SIZE_T dst_size = internal_wcslen(s: dst);
7102	COMMON_INTERCEPTOR_READ_RANGE(ctx, src,
7103	Min(src_size + 1, n) * sizeof(wchar_t));
7104	COMMON_INTERCEPTOR_READ_RANGE(ctx, dst, (dst_size + 1) * sizeof(wchar_t));
7105	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst + dst_size,
7106	(src_size + 1) * sizeof(wchar_t));
7107	return REAL(wcsncat)(dst, src, n);
7108	}
7109	#define INIT_WCSCAT \
7110	COMMON_INTERCEPT_FUNCTION(wcscat); \
7111	COMMON_INTERCEPT_FUNCTION(wcsncat);
7112	#else
7113	#define INIT_WCSCAT
7114	#endif
7115
7116	#if SANITIZER_INTERCEPT_WCSDUP
7117	INTERCEPTOR(wchar_t *, wcsdup, wchar_t *s) {
7118	void *ctx;
7119	COMMON_INTERCEPTOR_ENTER(ctx, wcsdup, s);
7120	SIZE_T len = internal_wcslen(s);
7121	COMMON_INTERCEPTOR_READ_RANGE(ctx, s, sizeof(wchar_t) * (len + 1));
7122	wchar_t *result = REAL(wcsdup)(s);
7123	if (result)
7124	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof(wchar_t) * (len + 1));
7125	return result;
7126	}
7127
7128	#define INIT_WCSDUP COMMON_INTERCEPT_FUNCTION(wcsdup);
7129	#else
7130	#define INIT_WCSDUP
7131	#endif
7132
7133	#if SANITIZER_INTERCEPT_STRXFRM
7134	static SIZE_T RealStrLen(const char *str) { return internal_strlen(s: str); }
7135
7136	static SIZE_T RealStrLen(const wchar_t *str) { return internal_wcslen(s: str); }
7137
7138	#define STRXFRM_INTERCEPTOR_IMPL(strxfrm, dest, src, len, ...) \
7139	{ \
7140	void *ctx; \
7141	COMMON_INTERCEPTOR_ENTER(ctx, strxfrm, dest, src, len, ##__VA_ARGS__); \
7142	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, \
7143	sizeof(*src) * (RealStrLen(src) + 1)); \
7144	SIZE_T res = REAL(strxfrm)(dest, src, len, ##__VA_ARGS__); \
7145	if (res < len) \
7146	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dest, sizeof(*src) * (res + 1)); \
7147	return res; \
7148	}
7149
7150	INTERCEPTOR(SIZE_T, strxfrm, char *dest, const char *src, SIZE_T len) {
7151	STRXFRM_INTERCEPTOR_IMPL(strxfrm, dest, src, len);
7152	}
7153
7154	INTERCEPTOR(SIZE_T, strxfrm_l, char *dest, const char *src, SIZE_T len,
7155	void *locale) {
7156	STRXFRM_INTERCEPTOR_IMPL(strxfrm_l, dest, src, len, locale);
7157	}
7158
7159	#define INIT_STRXFRM \
7160	COMMON_INTERCEPT_FUNCTION(strxfrm); \
7161	COMMON_INTERCEPT_FUNCTION(strxfrm_l);
7162	#else
7163	#define INIT_STRXFRM
7164	#endif
7165
7166	#if SANITIZER_INTERCEPT___STRXFRM_L
7167	INTERCEPTOR(SIZE_T, __strxfrm_l, char *dest, const char *src, SIZE_T len,
7168	void *locale) {
7169	STRXFRM_INTERCEPTOR_IMPL(__strxfrm_l, dest, src, len, locale);
7170	}
7171
7172	#define INIT___STRXFRM_L COMMON_INTERCEPT_FUNCTION(__strxfrm_l);
7173	#else
7174	#define INIT___STRXFRM_L
7175	#endif
7176
7177	#if SANITIZER_INTERCEPT_WCSXFRM
7178	INTERCEPTOR(SIZE_T, wcsxfrm, wchar_t *dest, const wchar_t *src, SIZE_T len) {
7179	STRXFRM_INTERCEPTOR_IMPL(wcsxfrm, dest, src, len);
7180	}
7181
7182	INTERCEPTOR(SIZE_T, wcsxfrm_l, wchar_t *dest, const wchar_t *src, SIZE_T len,
7183	void *locale) {
7184	STRXFRM_INTERCEPTOR_IMPL(wcsxfrm_l, dest, src, len, locale);
7185	}
7186
7187	#define INIT_WCSXFRM \
7188	COMMON_INTERCEPT_FUNCTION(wcsxfrm); \
7189	COMMON_INTERCEPT_FUNCTION(wcsxfrm_l);
7190	#else
7191	#define INIT_WCSXFRM
7192	#endif
7193
7194	#if SANITIZER_INTERCEPT___WCSXFRM_L
7195	INTERCEPTOR(SIZE_T, __wcsxfrm_l, wchar_t *dest, const wchar_t *src, SIZE_T len,
7196	void *locale) {
7197	STRXFRM_INTERCEPTOR_IMPL(__wcsxfrm_l, dest, src, len, locale);
7198	}
7199
7200	#define INIT___WCSXFRM_L COMMON_INTERCEPT_FUNCTION(__wcsxfrm_l);
7201	#else
7202	#define INIT___WCSXFRM_L
7203	#endif
7204
7205	#if SANITIZER_INTERCEPT_ACCT
7206	INTERCEPTOR(int, acct, const char *file) {
7207	void *ctx;
7208	COMMON_INTERCEPTOR_ENTER(ctx, acct, file);
7209	if (file)
7210	COMMON_INTERCEPTOR_READ_RANGE(ctx, file, internal_strlen(file) + 1);
7211	return REAL(acct)(file);
7212	}
7213	#define INIT_ACCT COMMON_INTERCEPT_FUNCTION(acct)
7214	#else
7215	#define INIT_ACCT
7216	#endif
7217
7218	#if SANITIZER_INTERCEPT_USER_FROM_UID
7219	INTERCEPTOR(const char *, user_from_uid, u32 uid, int nouser) {
7220	void *ctx;
7221	const char *user;
7222	COMMON_INTERCEPTOR_ENTER(ctx, user_from_uid, uid, nouser);
7223	user = REAL(user_from_uid)(uid, nouser);
7224	if (user)
7225	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, user, internal_strlen(user) + 1);
7226	return user;
7227	}
7228	#define INIT_USER_FROM_UID COMMON_INTERCEPT_FUNCTION(user_from_uid)
7229	#else
7230	#define INIT_USER_FROM_UID
7231	#endif
7232
7233	#if SANITIZER_INTERCEPT_UID_FROM_USER
7234	INTERCEPTOR(int, uid_from_user, const char *name, u32 *uid) {
7235	void *ctx;
7236	int res;
7237	COMMON_INTERCEPTOR_ENTER(ctx, uid_from_user, name, uid);
7238	if (name)
7239	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7240	res = REAL(uid_from_user)(name, uid);
7241	if (uid)
7242	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, uid, sizeof(*uid));
7243	return res;
7244	}
7245	#define INIT_UID_FROM_USER COMMON_INTERCEPT_FUNCTION(uid_from_user)
7246	#else
7247	#define INIT_UID_FROM_USER
7248	#endif
7249
7250	#if SANITIZER_INTERCEPT_GROUP_FROM_GID
7251	INTERCEPTOR(const char *, group_from_gid, u32 gid, int nogroup) {
7252	void *ctx;
7253	const char *group;
7254	COMMON_INTERCEPTOR_ENTER(ctx, group_from_gid, gid, nogroup);
7255	group = REAL(group_from_gid)(gid, nogroup);
7256	if (group)
7257	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, group, internal_strlen(group) + 1);
7258	return group;
7259	}
7260	#define INIT_GROUP_FROM_GID COMMON_INTERCEPT_FUNCTION(group_from_gid)
7261	#else
7262	#define INIT_GROUP_FROM_GID
7263	#endif
7264
7265	#if SANITIZER_INTERCEPT_GID_FROM_GROUP
7266	INTERCEPTOR(int, gid_from_group, const char *group, u32 *gid) {
7267	void *ctx;
7268	int res;
7269	COMMON_INTERCEPTOR_ENTER(ctx, gid_from_group, group, gid);
7270	if (group)
7271	COMMON_INTERCEPTOR_READ_RANGE(ctx, group, internal_strlen(group) + 1);
7272	res = REAL(gid_from_group)(group, gid);
7273	if (gid)
7274	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, gid, sizeof(*gid));
7275	return res;
7276	}
7277	#define INIT_GID_FROM_GROUP COMMON_INTERCEPT_FUNCTION(gid_from_group)
7278	#else
7279	#define INIT_GID_FROM_GROUP
7280	#endif
7281
7282	#if SANITIZER_INTERCEPT_ACCESS
7283	INTERCEPTOR(int, access, const char *path, int mode) {
7284	void *ctx;
7285	COMMON_INTERCEPTOR_ENTER(ctx, access, path, mode);
7286	if (path)
7287	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7288	return REAL(access)(path, mode);
7289	}
7290	#define INIT_ACCESS COMMON_INTERCEPT_FUNCTION(access)
7291	#else
7292	#define INIT_ACCESS
7293	#endif
7294
7295	#if SANITIZER_INTERCEPT_FACCESSAT
7296	INTERCEPTOR(int, faccessat, int fd, const char *path, int mode, int flags) {
7297	void *ctx;
7298	COMMON_INTERCEPTOR_ENTER(ctx, faccessat, fd, path, mode, flags);
7299	if (path)
7300	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7301	return REAL(faccessat)(fd, path, mode, flags);
7302	}
7303	#define INIT_FACCESSAT COMMON_INTERCEPT_FUNCTION(faccessat)
7304	#else
7305	#define INIT_FACCESSAT
7306	#endif
7307
7308	#if SANITIZER_INTERCEPT_GETGROUPLIST
7309	INTERCEPTOR(int, getgrouplist, const char *name, u32 basegid, u32 *groups,
7310	int *ngroups) {
7311	void *ctx;
7312	int res;
7313	COMMON_INTERCEPTOR_ENTER(ctx, getgrouplist, name, basegid, groups, ngroups);
7314	if (name)
7315	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7316	if (ngroups)
7317	COMMON_INTERCEPTOR_READ_RANGE(ctx, ngroups, sizeof(*ngroups));
7318	res = REAL(getgrouplist)(name, basegid, groups, ngroups);
7319	if (!res && groups && ngroups) {
7320	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, groups, sizeof(*groups) * (*ngroups));
7321	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ngroups, sizeof(*ngroups));
7322	}
7323	return res;
7324	}
7325
7326	#define INIT_GETGROUPLIST COMMON_INTERCEPT_FUNCTION(getgrouplist);
7327	#else
7328	#define INIT_GETGROUPLIST
7329	#endif
7330
7331	#if SANITIZER_INTERCEPT_GETGROUPMEMBERSHIP
7332	INTERCEPTOR(int, getgroupmembership, const char *name, u32 basegid, u32 *groups,
7333	int maxgrp, int *ngroups) {
7334	void *ctx;
7335	int res;
7336	COMMON_INTERCEPTOR_ENTER(ctx, getgroupmembership, name, basegid, groups,
7337	maxgrp, ngroups);
7338	if (name)
7339	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7340	res = REAL(getgroupmembership)(name, basegid, groups, maxgrp, ngroups);
7341	if (!res && groups && ngroups) {
7342	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, groups, sizeof(*groups) * (*ngroups));
7343	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ngroups, sizeof(*ngroups));
7344	}
7345	return res;
7346	}
7347
7348	#define INIT_GETGROUPMEMBERSHIP COMMON_INTERCEPT_FUNCTION(getgroupmembership);
7349	#else
7350	#define INIT_GETGROUPMEMBERSHIP
7351	#endif
7352
7353	#if SANITIZER_INTERCEPT_READLINK
7354	INTERCEPTOR(SSIZE_T, readlink, const char *path, char *buf, SIZE_T bufsiz) {
7355	void* ctx;
7356	COMMON_INTERCEPTOR_ENTER(ctx, readlink, path, buf, bufsiz);
7357	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7358	SSIZE_T res = REAL(readlink)(path, buf, bufsiz);
7359	if (res > 0)
7360	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res);
7361	return res;
7362	}
7363
7364	#define INIT_READLINK COMMON_INTERCEPT_FUNCTION(readlink)
7365	#else
7366	#define INIT_READLINK
7367	#endif
7368
7369	#if SANITIZER_INTERCEPT_READLINKAT
7370	INTERCEPTOR(SSIZE_T, readlinkat, int dirfd, const char *path, char *buf,
7371	SIZE_T bufsiz) {
7372	void* ctx;
7373	COMMON_INTERCEPTOR_ENTER(ctx, readlinkat, dirfd, path, buf, bufsiz);
7374	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7375	SSIZE_T res = REAL(readlinkat)(dirfd, path, buf, bufsiz);
7376	if (res > 0)
7377	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, res);
7378	return res;
7379	}
7380
7381	#define INIT_READLINKAT COMMON_INTERCEPT_FUNCTION(readlinkat)
7382	#else
7383	#define INIT_READLINKAT
7384	#endif
7385
7386	#if SANITIZER_INTERCEPT_NAME_TO_HANDLE_AT
7387	INTERCEPTOR(int, name_to_handle_at, int dirfd, const char *pathname,
7388	struct file_handle *handle, int *mount_id, int flags) {
7389	void* ctx;
7390	COMMON_INTERCEPTOR_ENTER(ctx, name_to_handle_at, dirfd, pathname, handle,
7391	mount_id, flags);
7392	COMMON_INTERCEPTOR_READ_RANGE(ctx, pathname, internal_strlen(pathname) + 1);
7393
7394	__sanitizer_file_handle *sanitizer_handle =
7395	reinterpret_cast<__sanitizer_file_handle*>(handle);
7396	COMMON_INTERCEPTOR_READ_RANGE(
7397	ctx, &sanitizer_handle->handle_bytes,
7398	sizeof(sanitizer_handle->handle_bytes));
7399
7400	int res = REAL(name_to_handle_at)(dirfd, pathname, handle, mount_id, flags);
7401	if (!res) {
7402	COMMON_INTERCEPTOR_WRITE_RANGE(
7403	ctx, &sanitizer_handle->handle_bytes,
7404	sizeof(sanitizer_handle->handle_bytes));
7405	COMMON_INTERCEPTOR_WRITE_RANGE(
7406	ctx, &sanitizer_handle->handle_type,
7407	sizeof(sanitizer_handle->handle_type));
7408	COMMON_INTERCEPTOR_WRITE_RANGE(
7409	ctx, &sanitizer_handle->f_handle, sanitizer_handle->handle_bytes);
7410	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mount_id, sizeof(*mount_id));
7411	}
7412	return res;
7413	}
7414
7415	#define INIT_NAME_TO_HANDLE_AT COMMON_INTERCEPT_FUNCTION(name_to_handle_at)
7416	#else
7417	#define INIT_NAME_TO_HANDLE_AT
7418	#endif
7419
7420	#if SANITIZER_INTERCEPT_OPEN_BY_HANDLE_AT
7421	INTERCEPTOR(int, open_by_handle_at, int mount_fd, struct file_handle* handle,
7422	int flags) {
7423	void* ctx;
7424	COMMON_INTERCEPTOR_ENTER(ctx, open_by_handle_at, mount_fd, handle, flags);
7425
7426	__sanitizer_file_handle *sanitizer_handle =
7427	reinterpret_cast<__sanitizer_file_handle*>(handle);
7428	COMMON_INTERCEPTOR_READ_RANGE(
7429	ctx, &sanitizer_handle->handle_bytes,
7430	sizeof(sanitizer_handle->handle_bytes));
7431	COMMON_INTERCEPTOR_READ_RANGE(
7432	ctx, &sanitizer_handle->handle_type,
7433	sizeof(sanitizer_handle->handle_type));
7434	COMMON_INTERCEPTOR_READ_RANGE(
7435	ctx, &sanitizer_handle->f_handle, sanitizer_handle->handle_bytes);
7436
7437	return COMMON_INTERCEPTOR_BLOCK_REAL(open_by_handle_at)(mount_fd, handle,
7438	flags);
7439	}
7440
7441	#define INIT_OPEN_BY_HANDLE_AT COMMON_INTERCEPT_FUNCTION(open_by_handle_at)
7442	#else
7443	#define INIT_OPEN_BY_HANDLE_AT
7444	#endif
7445
7446	#if SANITIZER_INTERCEPT_STRLCPY
7447	INTERCEPTOR(SIZE_T, strlcpy, char *dst, char *src, SIZE_T size) {
7448	void *ctx;
7449	SIZE_T res;
7450	COMMON_INTERCEPTOR_ENTER(ctx, strlcpy, dst, src, size);
7451	if (src) {
7452	// Keep strnlen as macro argument, as macro may ignore it.
7453	COMMON_INTERCEPTOR_READ_STRING(
7454	ctx, src, Min(internal_strnlen(src, size), size - 1) + 1);
7455	}
7456	res = REAL(strlcpy)(dst, src, size);
7457	COMMON_INTERCEPTOR_COPY_STRING(ctx, dst, src, internal_strlen(dst) + 1);
7458	return res;
7459	}
7460
7461	INTERCEPTOR(SIZE_T, strlcat, char *dst, char *src, SIZE_T size) {
7462	void *ctx;
7463	SIZE_T len = 0;
7464	COMMON_INTERCEPTOR_ENTER(ctx, strlcat, dst, src, size);
7465	// src is checked in the strlcpy() interceptor
7466	if (dst) {
7467	len = internal_strnlen(dst, size);
7468	COMMON_INTERCEPTOR_READ_STRING(ctx, dst, Min(len, size - 1) + 1);
7469	}
7470	// Reuse the rest of the code in the strlcpy() interceptor
7471	return WRAP(strlcpy)(dst + len, src, size - len) + len;
7472	}
7473	#define INIT_STRLCPY \
7474	COMMON_INTERCEPT_FUNCTION(strlcpy); \
7475	COMMON_INTERCEPT_FUNCTION(strlcat);
7476	#else
7477	#define INIT_STRLCPY
7478	#endif
7479
7480	#if SANITIZER_INTERCEPT_MMAP
7481	INTERCEPTOR(void *, mmap, void *addr, SIZE_T sz, int prot, int flags, int fd,
7482	OFF_T off) {
7483	void *ctx;
7484	if (common_flags()->detect_write_exec)
7485	ReportMmapWriteExec(prot, mflags: flags);
7486	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7487	return (void *)internal_mmap(addr, length: sz, prot, flags, fd, offset: off);
7488	COMMON_INTERCEPTOR_ENTER(ctx, mmap, addr, sz, prot, flags, fd, off);
7489	COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap, addr, sz, prot, flags, fd, off);
7490	}
7491
7492	INTERCEPTOR(int, munmap, void *addr, SIZE_T sz) {
7493	void *ctx;
7494	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7495	return (int)internal_munmap(addr, length: sz);
7496	COMMON_INTERCEPTOR_ENTER(ctx, munmap, addr, sz);
7497	COMMON_INTERCEPTOR_MUNMAP_IMPL(ctx, addr, sz);
7498	}
7499
7500	INTERCEPTOR(int, mprotect, void *addr, SIZE_T sz, int prot) {
7501	void *ctx;
7502	if (common_flags()->detect_write_exec)
7503	ReportMmapWriteExec(prot, mflags: 0);
7504	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7505	return (int)internal_mprotect(addr, length: sz, prot);
7506	COMMON_INTERCEPTOR_ENTER(ctx, mprotect, addr, sz, prot);
7507	MprotectMallocZones(addr, prot);
7508	return REAL(mprotect)(addr, sz, prot);
7509	}
7510	#define INIT_MMAP \
7511	COMMON_INTERCEPT_FUNCTION(mmap); \
7512	COMMON_INTERCEPT_FUNCTION(munmap); \
7513	COMMON_INTERCEPT_FUNCTION(mprotect);
7514	#else
7515	#define INIT_MMAP
7516	#endif
7517
7518	#if SANITIZER_INTERCEPT_MMAP64
7519	INTERCEPTOR(void *, mmap64, void *addr, SIZE_T sz, int prot, int flags, int fd,
7520	OFF64_T off) {
7521	void *ctx;
7522	if (common_flags()->detect_write_exec)
7523	ReportMmapWriteExec(prot, mflags: flags);
7524	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
7525	return (void *)internal_mmap(addr, length: sz, prot, flags, fd, offset: off);
7526	COMMON_INTERCEPTOR_ENTER(ctx, mmap64, addr, sz, prot, flags, fd, off);
7527	COMMON_INTERCEPTOR_MMAP_IMPL(ctx, mmap64, addr, sz, prot, flags, fd, off);
7528	}
7529	#define INIT_MMAP64 COMMON_INTERCEPT_FUNCTION(mmap64);
7530	#else
7531	#define INIT_MMAP64
7532	#endif
7533
7534	#if SANITIZER_INTERCEPT_DEVNAME
7535	INTERCEPTOR(char *, devname, u64 dev, u32 type) {
7536	void *ctx;
7537	char *name;
7538	COMMON_INTERCEPTOR_ENTER(ctx, devname, dev, type);
7539	name = REAL(devname)(dev, type);
7540	if (name)
7541	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
7542	return name;
7543	}
7544	#define INIT_DEVNAME COMMON_INTERCEPT_FUNCTION(devname);
7545	#else
7546	#define INIT_DEVNAME
7547	#endif
7548
7549	#if SANITIZER_INTERCEPT_DEVNAME_R
7550	#if SANITIZER_NETBSD
7551	#define DEVNAME_R_RETTYPE int
7552	#define DEVNAME_R_SUCCESS(x) (!(x))
7553	#else
7554	#define DEVNAME_R_RETTYPE char*
7555	#define DEVNAME_R_SUCCESS(x) (x)
7556	#endif
7557	INTERCEPTOR(DEVNAME_R_RETTYPE, devname_r, u64 dev, u32 type, char *path,
7558	uptr len) {
7559	void *ctx;
7560	COMMON_INTERCEPTOR_ENTER(ctx, devname_r, dev, type, path, len);
7561	DEVNAME_R_RETTYPE res = REAL(devname_r)(dev, type, path, len);
7562	if (DEVNAME_R_SUCCESS(res))
7563	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, path, internal_strlen(path) + 1);
7564	return res;
7565	}
7566	#define INIT_DEVNAME_R COMMON_INTERCEPT_FUNCTION(devname_r);
7567	#else
7568	#define INIT_DEVNAME_R
7569	#endif
7570
7571	#if SANITIZER_INTERCEPT_FGETLN
7572	INTERCEPTOR(char *, fgetln, __sanitizer_FILE *stream, SIZE_T *len) {
7573	void *ctx;
7574	COMMON_INTERCEPTOR_ENTER(ctx, fgetln, stream, len);
7575	char *str = REAL(fgetln)(stream, len);
7576	if (str && len) {
7577	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
7578	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, str, *len);
7579	}
7580	return str;
7581	}
7582	#define INIT_FGETLN COMMON_INTERCEPT_FUNCTION(fgetln)
7583	#else
7584	#define INIT_FGETLN
7585	#endif
7586
7587	#if SANITIZER_INTERCEPT_STRMODE
7588	INTERCEPTOR(void, strmode, u32 mode, char *bp) {
7589	void *ctx;
7590	COMMON_INTERCEPTOR_ENTER(ctx, strmode, mode, bp);
7591	REAL(strmode)(mode, bp);
7592	if (bp)
7593	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, bp, internal_strlen(bp) + 1);
7594	}
7595	#define INIT_STRMODE COMMON_INTERCEPT_FUNCTION(strmode)
7596	#else
7597	#define INIT_STRMODE
7598	#endif
7599
7600	#if SANITIZER_INTERCEPT_TTYENT
7601	INTERCEPTOR(struct __sanitizer_ttyent *, getttyent, void) {
7602	void *ctx;
7603	COMMON_INTERCEPTOR_ENTER(ctx, getttyent);
7604	struct __sanitizer_ttyent *ttyent = REAL(getttyent)();
7605	if (ttyent)
7606	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ttyent, struct_ttyent_sz);
7607	return ttyent;
7608	}
7609	INTERCEPTOR(struct __sanitizer_ttyent *, getttynam, char *name) {
7610	void *ctx;
7611	COMMON_INTERCEPTOR_ENTER(ctx, getttynam, name);
7612	if (name)
7613	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7614	struct __sanitizer_ttyent *ttyent = REAL(getttynam)(name);
7615	if (ttyent)
7616	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ttyent, struct_ttyent_sz);
7617	return ttyent;
7618	}
7619	#define INIT_TTYENT \
7620	COMMON_INTERCEPT_FUNCTION(getttyent); \
7621	COMMON_INTERCEPT_FUNCTION(getttynam);
7622	#else
7623	#define INIT_TTYENT
7624	#endif
7625
7626	#if SANITIZER_INTERCEPT_TTYENTPATH
7627	INTERCEPTOR(int, setttyentpath, char *path) {
7628	void *ctx;
7629	COMMON_INTERCEPTOR_ENTER(ctx, setttyentpath, path);
7630	if (path)
7631	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
7632	return REAL(setttyentpath)(path);
7633	}
7634	#define INIT_TTYENTPATH COMMON_INTERCEPT_FUNCTION(setttyentpath);
7635	#else
7636	#define INIT_TTYENTPATH
7637	#endif
7638
7639	#if SANITIZER_INTERCEPT_PROTOENT
7640	static void write_protoent(void *ctx, struct __sanitizer_protoent *p) {
7641	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p, sizeof(*p));
7642
7643	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->p_name, internal_strlen(p->p_name) + 1);
7644
7645	SIZE_T pp_size = 1; // One handles the trailing \0
7646
7647	for (char **pp = p->p_aliases; *pp; ++pp, ++pp_size)
7648	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *pp, internal_strlen(*pp) + 1);
7649
7650	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, p->p_aliases, pp_size * sizeof(char *));
7651	}
7652
7653	INTERCEPTOR(struct __sanitizer_protoent *, getprotoent,) {
7654	void *ctx;
7655	COMMON_INTERCEPTOR_ENTER(ctx, getprotoent,);
7656	struct __sanitizer_protoent *p = REAL(getprotoent)();
7657	if (p)
7658	write_protoent(ctx, p);
7659	return p;
7660	}
7661
7662	INTERCEPTOR(struct __sanitizer_protoent *, getprotobyname, const char *name) {
7663	void *ctx;
7664	COMMON_INTERCEPTOR_ENTER(ctx, getprotobyname, name);
7665	if (name)
7666	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7667	struct __sanitizer_protoent *p = REAL(getprotobyname)(name);
7668	if (p)
7669	write_protoent(ctx, p);
7670	return p;
7671	}
7672
7673	INTERCEPTOR(struct __sanitizer_protoent *, getprotobynumber, int proto) {
7674	void *ctx;
7675	COMMON_INTERCEPTOR_ENTER(ctx, getprotobynumber, proto);
7676	struct __sanitizer_protoent *p = REAL(getprotobynumber)(proto);
7677	if (p)
7678	write_protoent(ctx, p);
7679	return p;
7680	}
7681	#define INIT_PROTOENT \
7682	COMMON_INTERCEPT_FUNCTION(getprotoent); \
7683	COMMON_INTERCEPT_FUNCTION(getprotobyname); \
7684	COMMON_INTERCEPT_FUNCTION(getprotobynumber)
7685	#else
7686	#define INIT_PROTOENT
7687	#endif
7688
7689	#if SANITIZER_INTERCEPT_PROTOENT_R
7690	INTERCEPTOR(int, getprotoent_r, struct __sanitizer_protoent *result_buf,
7691	char *buf, SIZE_T buflen, struct __sanitizer_protoent **result) {
7692	void *ctx;
7693	COMMON_INTERCEPTOR_ENTER(ctx, getprotoent_r, result_buf, buf, buflen,
7694	result);
7695	int res = REAL(getprotoent_r)(result_buf, buf, buflen, result);
7696
7697	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result);
7698	if (!res && *result)
7699	write_protoent(ctx, p: *result);
7700	return res;
7701	}
7702
7703	INTERCEPTOR(int, getprotobyname_r, const char *name,
7704	struct __sanitizer_protoent *result_buf, char *buf, SIZE_T buflen,
7705	struct __sanitizer_protoent **result) {
7706	void *ctx;
7707	COMMON_INTERCEPTOR_ENTER(ctx, getprotobyname_r, name, result_buf, buf,
7708	buflen, result);
7709	if (name)
7710	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7711	int res = REAL(getprotobyname_r)(name, result_buf, buf, buflen, result);
7712
7713	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result);
7714	if (!res && *result)
7715	write_protoent(ctx, p: *result);
7716	return res;
7717	}
7718
7719	INTERCEPTOR(int, getprotobynumber_r, int num,
7720	struct __sanitizer_protoent *result_buf, char *buf,
7721	SIZE_T buflen, struct __sanitizer_protoent **result) {
7722	void *ctx;
7723	COMMON_INTERCEPTOR_ENTER(ctx, getprotobynumber_r, num, result_buf, buf,
7724	buflen, result);
7725	int res = REAL(getprotobynumber_r)(num, result_buf, buf, buflen, result);
7726
7727	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, result, sizeof *result);
7728	if (!res && *result)
7729	write_protoent(ctx, p: *result);
7730	return res;
7731	}
7732
7733	#define INIT_PROTOENT_R \
7734	COMMON_INTERCEPT_FUNCTION(getprotoent_r); \
7735	COMMON_INTERCEPT_FUNCTION(getprotobyname_r); \
7736	COMMON_INTERCEPT_FUNCTION(getprotobynumber_r);
7737	#else
7738	#define INIT_PROTOENT_R
7739	#endif
7740
7741	#if SANITIZER_INTERCEPT_NETENT
7742	INTERCEPTOR(struct __sanitizer_netent *, getnetent,) {
7743	void *ctx;
7744	COMMON_INTERCEPTOR_ENTER(ctx, getnetent,);
7745	struct __sanitizer_netent *n = REAL(getnetent)();
7746	if (n) {
7747	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
7748
7749	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, internal_strlen(n->n_name) + 1);
7750
7751	SIZE_T nn_size = 1; // One handles the trailing \0
7752
7753	for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size)
7754	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, internal_strlen(*nn) + 1);
7755
7756	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, nn_size * sizeof(char *));
7757	}
7758	return n;
7759	}
7760
7761	INTERCEPTOR(struct __sanitizer_netent *, getnetbyname, const char *name) {
7762	void *ctx;
7763	COMMON_INTERCEPTOR_ENTER(ctx, getnetbyname, name);
7764	if (name)
7765	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
7766	struct __sanitizer_netent *n = REAL(getnetbyname)(name);
7767	if (n) {
7768	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
7769
7770	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, internal_strlen(n->n_name) + 1);
7771
7772	SIZE_T nn_size = 1; // One handles the trailing \0
7773
7774	for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size)
7775	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, internal_strlen(*nn) + 1);
7776
7777	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, nn_size * sizeof(char *));
7778	}
7779	return n;
7780	}
7781
7782	INTERCEPTOR(struct __sanitizer_netent *, getnetbyaddr, u32 net, int type) {
7783	void *ctx;
7784	COMMON_INTERCEPTOR_ENTER(ctx, getnetbyaddr, net, type);
7785	struct __sanitizer_netent *n = REAL(getnetbyaddr)(net, type);
7786	if (n) {
7787	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n, sizeof(*n));
7788
7789	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_name, internal_strlen(n->n_name) + 1);
7790
7791	SIZE_T nn_size = 1; // One handles the trailing \0
7792
7793	for (char **nn = n->n_aliases; *nn; ++nn, ++nn_size)
7794	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *nn, internal_strlen(*nn) + 1);
7795
7796	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, n->n_aliases, nn_size * sizeof(char *));
7797	}
7798	return n;
7799	}
7800	#define INIT_NETENT \
7801	COMMON_INTERCEPT_FUNCTION(getnetent); \
7802	COMMON_INTERCEPT_FUNCTION(getnetbyname); \
7803	COMMON_INTERCEPT_FUNCTION(getnetbyaddr)
7804	#else
7805	#define INIT_NETENT
7806	#endif
7807
7808	#if SANITIZER_INTERCEPT_GETMNTINFO
7809	INTERCEPTOR(int, getmntinfo, void **mntbufp, int flags) {
7810	void *ctx;
7811	COMMON_INTERCEPTOR_ENTER(ctx, getmntinfo, mntbufp, flags);
7812	int cnt = REAL(getmntinfo)(mntbufp, flags);
7813	if (cnt > 0 && mntbufp) {
7814	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mntbufp, sizeof(void *));
7815	if (*mntbufp)
7816	#if SANITIZER_NETBSD
7817	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *mntbufp, cnt * struct_statvfs_sz);
7818	#else
7819	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *mntbufp, cnt * struct_statfs_sz);
7820	#endif
7821	}
7822	return cnt;
7823	}
7824	#define INIT_GETMNTINFO COMMON_INTERCEPT_FUNCTION(getmntinfo)
7825	#else
7826	#define INIT_GETMNTINFO
7827	#endif
7828
7829	#if SANITIZER_INTERCEPT_MI_VECTOR_HASH
7830	INTERCEPTOR(void, mi_vector_hash, const void *key, SIZE_T len, u32 seed,
7831	u32 hashes[3]) {
7832	void *ctx;
7833	COMMON_INTERCEPTOR_ENTER(ctx, mi_vector_hash, key, len, seed, hashes);
7834	if (key)
7835	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, len);
7836	REAL(mi_vector_hash)(key, len, seed, hashes);
7837	if (hashes)
7838	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, hashes, sizeof(hashes[0]) * 3);
7839	}
7840	#define INIT_MI_VECTOR_HASH COMMON_INTERCEPT_FUNCTION(mi_vector_hash)
7841	#else
7842	#define INIT_MI_VECTOR_HASH
7843	#endif
7844
7845	#if SANITIZER_INTERCEPT_SETVBUF
7846	INTERCEPTOR(int, setvbuf, __sanitizer_FILE *stream, char *buf, int mode,
7847	SIZE_T size) {
7848	void *ctx;
7849	COMMON_INTERCEPTOR_ENTER(ctx, setvbuf, stream, buf, mode, size);
7850	int ret = REAL(setvbuf)(stream, buf, mode, size);
7851	if (buf)
7852	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, size);
7853	if (stream)
7854	unpoison_file(fp: stream);
7855	return ret;
7856	}
7857
7858	INTERCEPTOR(void, setbuf, __sanitizer_FILE *stream, char *buf) {
7859	void *ctx;
7860	COMMON_INTERCEPTOR_ENTER(ctx, setbuf, stream, buf);
7861	REAL(setbuf)(stream, buf);
7862	if (buf) {
7863	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer_bufsiz);
7864	}
7865	if (stream)
7866	unpoison_file(fp: stream);
7867	}
7868
7869	INTERCEPTOR(void, setbuffer, __sanitizer_FILE *stream, char *buf, SIZE_T size) {
7870	void *ctx;
7871	COMMON_INTERCEPTOR_ENTER(ctx, setbuffer, stream, buf, size);
7872	REAL(setbuffer)(stream, buf, size);
7873	if (buf) {
7874	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, size);
7875	}
7876	if (stream)
7877	unpoison_file(fp: stream);
7878	}
7879
7880	INTERCEPTOR(void, setlinebuf, __sanitizer_FILE *stream) {
7881	void *ctx;
7882	COMMON_INTERCEPTOR_ENTER(ctx, setlinebuf, stream);
7883	REAL(setlinebuf)(stream);
7884	if (stream)
7885	unpoison_file(fp: stream);
7886	}
7887	#define INIT_SETVBUF COMMON_INTERCEPT_FUNCTION(setvbuf); \
7888	COMMON_INTERCEPT_FUNCTION(setbuf); \
7889	COMMON_INTERCEPT_FUNCTION(setbuffer); \
7890	COMMON_INTERCEPT_FUNCTION(setlinebuf)
7891	#else
7892	#define INIT_SETVBUF
7893	#endif
7894
7895	#if SANITIZER_INTERCEPT_GETVFSSTAT
7896	INTERCEPTOR(int, getvfsstat, void *buf, SIZE_T bufsize, int flags) {
7897	void *ctx;
7898	COMMON_INTERCEPTOR_ENTER(ctx, getvfsstat, buf, bufsize, flags);
7899	int ret = REAL(getvfsstat)(buf, bufsize, flags);
7900	if (buf && ret > 0)
7901	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, ret * struct_statvfs_sz);
7902	return ret;
7903	}
7904	#define INIT_GETVFSSTAT COMMON_INTERCEPT_FUNCTION(getvfsstat)
7905	#else
7906	#define INIT_GETVFSSTAT
7907	#endif
7908
7909	#if SANITIZER_INTERCEPT_REGEX
7910	INTERCEPTOR(int, regcomp, void *preg, const char *pattern, int cflags) {
7911	void *ctx;
7912	COMMON_INTERCEPTOR_ENTER(ctx, regcomp, preg, pattern, cflags);
7913	if (pattern)
7914	COMMON_INTERCEPTOR_READ_RANGE(ctx, pattern, internal_strlen(pattern) + 1);
7915	int res = REAL(regcomp)(preg, pattern, cflags);
7916	if (preg)
7917	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, preg, struct_regex_sz);
7918	return res;
7919	}
7920	INTERCEPTOR(int, regexec, const void *preg, const char *string, SIZE_T nmatch,
7921	struct __sanitizer_regmatch *pmatch[], int eflags) {
7922	void *ctx;
7923	COMMON_INTERCEPTOR_ENTER(ctx, regexec, preg, string, nmatch, pmatch, eflags);
7924	if (preg)
7925	COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz);
7926	if (string)
7927	COMMON_INTERCEPTOR_READ_RANGE(ctx, string, internal_strlen(string) + 1);
7928	int res = REAL(regexec)(preg, string, nmatch, pmatch, eflags);
7929	if (!res && pmatch)
7930	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pmatch, nmatch * struct_regmatch_sz);
7931	return res;
7932	}
7933	INTERCEPTOR(SIZE_T, regerror, int errcode, const void *preg, char *errbuf,
7934	SIZE_T errbuf_size) {
7935	void *ctx;
7936	COMMON_INTERCEPTOR_ENTER(ctx, regerror, errcode, preg, errbuf, errbuf_size);
7937	if (preg)
7938	COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz);
7939	SIZE_T res = REAL(regerror)(errcode, preg, errbuf, errbuf_size);
7940	if (errbuf)
7941	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, errbuf, internal_strlen(errbuf) + 1);
7942	return res;
7943	}
7944	INTERCEPTOR(void, regfree, const void *preg) {
7945	void *ctx;
7946	COMMON_INTERCEPTOR_ENTER(ctx, regfree, preg);
7947	if (preg)
7948	COMMON_INTERCEPTOR_READ_RANGE(ctx, preg, struct_regex_sz);
7949	REAL(regfree)(preg);
7950	}
7951	#define INIT_REGEX \
7952	COMMON_INTERCEPT_FUNCTION(regcomp); \
7953	COMMON_INTERCEPT_FUNCTION_GLIBC_VER_MIN(regexec, "GLIBC_2.3.4"); \
7954	COMMON_INTERCEPT_FUNCTION(regerror); \
7955	COMMON_INTERCEPT_FUNCTION(regfree);
7956	#else
7957	#define INIT_REGEX
7958	#endif
7959
7960	#if SANITIZER_INTERCEPT_REGEXSUB
7961	INTERCEPTOR(SSIZE_T, regnsub, char *buf, SIZE_T bufsiz, const char *sub,
7962	const struct __sanitizer_regmatch *rm, const char *str) {
7963	void *ctx;
7964	COMMON_INTERCEPTOR_ENTER(ctx, regnsub, buf, bufsiz, sub, rm, str);
7965	if (sub)
7966	COMMON_INTERCEPTOR_READ_RANGE(ctx, sub, internal_strlen(sub) + 1);
7967	// The implementation demands and hardcodes 10 elements
7968	if (rm)
7969	COMMON_INTERCEPTOR_READ_RANGE(ctx, rm, 10 * struct_regmatch_sz);
7970	if (str)
7971	COMMON_INTERCEPTOR_READ_RANGE(ctx, str, internal_strlen(str) + 1);
7972	SSIZE_T res = REAL(regnsub)(buf, bufsiz, sub, rm, str);
7973	if (res > 0 && buf)
7974	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, internal_strlen(buf) + 1);
7975	return res;
7976	}
7977	INTERCEPTOR(SSIZE_T, regasub, char **buf, const char *sub,
7978	const struct __sanitizer_regmatch *rm, const char *sstr) {
7979	void *ctx;
7980	COMMON_INTERCEPTOR_ENTER(ctx, regasub, buf, sub, rm, sstr);
7981	if (sub)
7982	COMMON_INTERCEPTOR_READ_RANGE(ctx, sub, internal_strlen(sub) + 1);
7983	// Hardcode 10 elements as this is hardcoded size
7984	if (rm)
7985	COMMON_INTERCEPTOR_READ_RANGE(ctx, rm, 10 * struct_regmatch_sz);
7986	if (sstr)
7987	COMMON_INTERCEPTOR_READ_RANGE(ctx, sstr, internal_strlen(sstr) + 1);
7988	SSIZE_T res = REAL(regasub)(buf, sub, rm, sstr);
7989	if (res > 0 && buf) {
7990	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, sizeof(char *));
7991	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *buf, internal_strlen(*buf) + 1);
7992	}
7993	return res;
7994	}
7995
7996	#define INIT_REGEXSUB \
7997	COMMON_INTERCEPT_FUNCTION(regnsub); \
7998	COMMON_INTERCEPT_FUNCTION(regasub);
7999	#else
8000	#define INIT_REGEXSUB
8001	#endif
8002
8003	#if SANITIZER_INTERCEPT_FTS
8004	INTERCEPTOR(void *, fts_open, char *const *path_argv, int options,
8005	int (*compar)(void **, void **)) {
8006	void *ctx;
8007	COMMON_INTERCEPTOR_ENTER(ctx, fts_open, path_argv, options, compar);
8008	if (path_argv) {
8009	for (char *const *pa = path_argv; ; ++pa) {
8010	COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **));
8011	if (!*pa)
8012	break;
8013	COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, internal_strlen(*pa) + 1);
8014	}
8015	}
8016	// TODO(kamil): handle compar callback
8017	void *fts = REAL(fts_open)(path_argv, options, compar);
8018	if (fts)
8019	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, fts, struct_FTS_sz);
8020	return fts;
8021	}
8022
8023	INTERCEPTOR(void *, fts_read, void *ftsp) {
8024	void *ctx;
8025	COMMON_INTERCEPTOR_ENTER(ctx, fts_read, ftsp);
8026	if (ftsp)
8027	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8028	void *ftsent = REAL(fts_read)(ftsp);
8029	if (ftsent)
8030	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ftsent, struct_FTSENT_sz);
8031	return ftsent;
8032	}
8033
8034	INTERCEPTOR(void *, fts_children, void *ftsp, int options) {
8035	void *ctx;
8036	COMMON_INTERCEPTOR_ENTER(ctx, fts_children, ftsp, options);
8037	if (ftsp)
8038	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8039	void *ftsent = REAL(fts_children)(ftsp, options);
8040	if (ftsent)
8041	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ftsent, struct_FTSENT_sz);
8042	return ftsent;
8043	}
8044
8045	INTERCEPTOR(int, fts_set, void *ftsp, void *f, int options) {
8046	void *ctx;
8047	COMMON_INTERCEPTOR_ENTER(ctx, fts_set, ftsp, f, options);
8048	if (ftsp)
8049	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8050	if (f)
8051	COMMON_INTERCEPTOR_READ_RANGE(ctx, f, struct_FTSENT_sz);
8052	return REAL(fts_set)(ftsp, f, options);
8053	}
8054
8055	INTERCEPTOR(int, fts_close, void *ftsp) {
8056	void *ctx;
8057	COMMON_INTERCEPTOR_ENTER(ctx, fts_close, ftsp);
8058	if (ftsp)
8059	COMMON_INTERCEPTOR_READ_RANGE(ctx, ftsp, struct_FTS_sz);
8060	return REAL(fts_close)(ftsp);
8061	}
8062	#define INIT_FTS \
8063	COMMON_INTERCEPT_FUNCTION(fts_open); \
8064	COMMON_INTERCEPT_FUNCTION(fts_read); \
8065	COMMON_INTERCEPT_FUNCTION(fts_children); \
8066	COMMON_INTERCEPT_FUNCTION(fts_set); \
8067	COMMON_INTERCEPT_FUNCTION(fts_close);
8068	#else
8069	#define INIT_FTS
8070	#endif
8071
8072	#if SANITIZER_INTERCEPT_SYSCTL
8073	INTERCEPTOR(int, sysctl, int *name, unsigned int namelen, void *oldp,
8074	SIZE_T *oldlenp, void *newp, SIZE_T newlen) {
8075	void *ctx;
8076	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
8077	return internal_sysctl(name, namelen, oldp, oldlenp, newp, newlen);
8078	COMMON_INTERCEPTOR_ENTER(ctx, sysctl, name, namelen, oldp, oldlenp, newp,
8079	newlen);
8080	if (name)
8081	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, namelen * sizeof(*name));
8082	if (oldlenp)
8083	COMMON_INTERCEPTOR_READ_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8084	if (newp && newlen)
8085	COMMON_INTERCEPTOR_READ_RANGE(ctx, newp, newlen);
8086	int res = REAL(sysctl)(name, namelen, oldp, oldlenp, newp, newlen);
8087	if (!res) {
8088	if (oldlenp) {
8089	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8090	if (oldp)
8091	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldp, *oldlenp);
8092	}
8093	}
8094	return res;
8095	}
8096
8097	INTERCEPTOR(int, sysctlbyname, char *sname, void *oldp, SIZE_T *oldlenp,
8098	void *newp, SIZE_T newlen) {
8099	void *ctx;
8100	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
8101	return internal_sysctlbyname(sname, oldp, oldlenp, newp, newlen);
8102	COMMON_INTERCEPTOR_ENTER(ctx, sysctlbyname, sname, oldp, oldlenp, newp,
8103	newlen);
8104	if (sname)
8105	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8106	if (oldlenp)
8107	COMMON_INTERCEPTOR_READ_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8108	if (newp && newlen)
8109	COMMON_INTERCEPTOR_READ_RANGE(ctx, newp, newlen);
8110	int res = REAL(sysctlbyname)(sname, oldp, oldlenp, newp, newlen);
8111	if (!res) {
8112	if (oldlenp) {
8113	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldlenp, sizeof(*oldlenp));
8114	if (oldp)
8115	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oldp, *oldlenp);
8116	}
8117	}
8118	return res;
8119	}
8120
8121	INTERCEPTOR(int, sysctlnametomib, const char *sname, int *name,
8122	SIZE_T *namelenp) {
8123	void *ctx;
8124	COMMON_INTERCEPTOR_ENTER(ctx, sysctlnametomib, sname, name, namelenp);
8125	if (sname)
8126	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8127	if (namelenp)
8128	COMMON_INTERCEPTOR_READ_RANGE(ctx, namelenp, sizeof(*namelenp));
8129	int res = REAL(sysctlnametomib)(sname, name, namelenp);
8130	if (!res) {
8131	if (namelenp) {
8132	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelenp, sizeof(*namelenp));
8133	if (name)
8134	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, *namelenp * sizeof(*name));
8135	}
8136	}
8137	return res;
8138	}
8139
8140	#define INIT_SYSCTL \
8141	COMMON_INTERCEPT_FUNCTION(sysctl); \
8142	COMMON_INTERCEPT_FUNCTION(sysctlbyname); \
8143	COMMON_INTERCEPT_FUNCTION(sysctlnametomib);
8144	#else
8145	#define INIT_SYSCTL
8146	#endif
8147
8148	#if SANITIZER_INTERCEPT_ASYSCTL
8149	INTERCEPTOR(void *, asysctl, const int *name, SIZE_T namelen, SIZE_T *len) {
8150	void *ctx;
8151	COMMON_INTERCEPTOR_ENTER(ctx, asysctl, name, namelen, len);
8152	if (name)
8153	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, sizeof(*name) * namelen);
8154	void *res = REAL(asysctl)(name, namelen, len);
8155	if (res && len) {
8156	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
8157	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, *len);
8158	}
8159	return res;
8160	}
8161
8162	INTERCEPTOR(void *, asysctlbyname, const char *sname, SIZE_T *len) {
8163	void *ctx;
8164	COMMON_INTERCEPTOR_ENTER(ctx, asysctlbyname, sname, len);
8165	if (sname)
8166	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8167	void *res = REAL(asysctlbyname)(sname, len);
8168	if (res && len) {
8169	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
8170	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, *len);
8171	}
8172	return res;
8173	}
8174	#define INIT_ASYSCTL \
8175	COMMON_INTERCEPT_FUNCTION(asysctl); \
8176	COMMON_INTERCEPT_FUNCTION(asysctlbyname);
8177	#else
8178	#define INIT_ASYSCTL
8179	#endif
8180
8181	#if SANITIZER_INTERCEPT_SYSCTLGETMIBINFO
8182	INTERCEPTOR(int, sysctlgetmibinfo, char *sname, int *name,
8183	unsigned int *namelenp, char *cname, SIZE_T *csz, void **rnode,
8184	int v) {
8185	void *ctx;
8186	COMMON_INTERCEPTOR_ENTER(ctx, sysctlgetmibinfo, sname, name, namelenp, cname,
8187	csz, rnode, v);
8188	if (sname)
8189	COMMON_INTERCEPTOR_READ_RANGE(ctx, sname, internal_strlen(sname) + 1);
8190	if (namelenp)
8191	COMMON_INTERCEPTOR_READ_RANGE(ctx, namelenp, sizeof(*namelenp));
8192	if (csz)
8193	COMMON_INTERCEPTOR_READ_RANGE(ctx, csz, sizeof(*csz));
8194	// Skip rnode, it's rarely used and not trivial to sanitize
8195	// It's also used mostly internally
8196	int res = REAL(sysctlgetmibinfo)(sname, name, namelenp, cname, csz, rnode, v);
8197	if (!res) {
8198	if (namelenp) {
8199	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, namelenp, sizeof(*namelenp));
8200	if (name)
8201	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, *namelenp * sizeof(*name));
8202	}
8203	if (csz) {
8204	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, csz, sizeof(*csz));
8205	if (cname)
8206	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cname, *csz);
8207	}
8208	}
8209	return res;
8210	}
8211	#define INIT_SYSCTLGETMIBINFO \
8212	COMMON_INTERCEPT_FUNCTION(sysctlgetmibinfo);
8213	#else
8214	#define INIT_SYSCTLGETMIBINFO
8215	#endif
8216
8217	#if SANITIZER_INTERCEPT_NL_LANGINFO
8218	INTERCEPTOR(char *, nl_langinfo, long item) {
8219	void *ctx;
8220	COMMON_INTERCEPTOR_ENTER(ctx, nl_langinfo, item);
8221	char *ret = REAL(nl_langinfo)(item);
8222	if (ret)
8223	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, internal_strlen(ret) + 1);
8224	return ret;
8225	}
8226	#define INIT_NL_LANGINFO COMMON_INTERCEPT_FUNCTION(nl_langinfo)
8227	#else
8228	#define INIT_NL_LANGINFO
8229	#endif
8230
8231	#if SANITIZER_INTERCEPT_MODCTL
8232	INTERCEPTOR(int, modctl, int operation, void *argp) {
8233	void *ctx;
8234	int ret;
8235	COMMON_INTERCEPTOR_ENTER(ctx, modctl, operation, argp);
8236
8237	if (operation == modctl_load) {
8238	if (argp) {
8239	__sanitizer_modctl_load_t *ml = (__sanitizer_modctl_load_t *)argp;
8240	COMMON_INTERCEPTOR_READ_RANGE(ctx, ml, sizeof(*ml));
8241	if (ml->ml_filename)
8242	COMMON_INTERCEPTOR_READ_RANGE(ctx, ml->ml_filename,
8243	internal_strlen(ml->ml_filename) + 1);
8244	if (ml->ml_props)
8245	COMMON_INTERCEPTOR_READ_RANGE(ctx, ml->ml_props, ml->ml_propslen);
8246	}
8247	ret = REAL(modctl)(operation, argp);
8248	} else if (operation == modctl_unload) {
8249	if (argp) {
8250	const char *name = (const char *)argp;
8251	COMMON_INTERCEPTOR_READ_RANGE(ctx, name, internal_strlen(name) + 1);
8252	}
8253	ret = REAL(modctl)(operation, argp);
8254	} else if (operation == modctl_stat) {
8255	uptr iov_len;
8256	struct __sanitizer_iovec *iov = (struct __sanitizer_iovec *)argp;
8257	if (iov) {
8258	COMMON_INTERCEPTOR_READ_RANGE(ctx, iov, sizeof(*iov));
8259	iov_len = iov->iov_len;
8260	}
8261	ret = REAL(modctl)(operation, argp);
8262	if (iov)
8263	COMMON_INTERCEPTOR_WRITE_RANGE(
8264	ctx, iov->iov_base, Min(iov_len, iov->iov_len));
8265	} else if (operation == modctl_exists) {
8266	ret = REAL(modctl)(operation, argp);
8267	} else {
8268	ret = REAL(modctl)(operation, argp);
8269	}
8270
8271	return ret;
8272	}
8273	#define INIT_MODCTL COMMON_INTERCEPT_FUNCTION(modctl)
8274	#else
8275	#define INIT_MODCTL
8276	#endif
8277
8278	#if SANITIZER_INTERCEPT_STRTONUM
8279	INTERCEPTOR(long long, strtonum, const char *nptr, long long minval,
8280	long long maxval, const char **errstr) {
8281	void *ctx;
8282	COMMON_INTERCEPTOR_ENTER(ctx, strtonum, nptr, minval, maxval, errstr);
8283
8284	// TODO(kamil): Implement strtoll as a common inteceptor
8285	char *real_endptr;
8286	long long ret = (long long)REAL(strtoimax)(nptr, &real_endptr, 10);
8287	StrtolFixAndCheck(ctx, nptr, nullptr, real_endptr, 10);
8288
8289	ret = REAL(strtonum)(nptr, minval, maxval, errstr);
8290	if (errstr) {
8291	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, errstr, sizeof(const char *));
8292	if (*errstr)
8293	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *errstr, internal_strlen(*errstr) + 1);
8294	}
8295	return ret;
8296	}
8297	#define INIT_STRTONUM COMMON_INTERCEPT_FUNCTION(strtonum)
8298	#else
8299	#define INIT_STRTONUM
8300	#endif
8301
8302	#if SANITIZER_INTERCEPT_FPARSELN
8303	INTERCEPTOR(char *, fparseln, __sanitizer_FILE *stream, SIZE_T *len,
8304	SIZE_T *lineno, const char delim[3], int flags) {
8305	void *ctx;
8306	COMMON_INTERCEPTOR_ENTER(ctx, fparseln, stream, len, lineno, delim, flags);
8307	if (lineno)
8308	COMMON_INTERCEPTOR_READ_RANGE(ctx, lineno, sizeof(*lineno));
8309	if (delim)
8310	COMMON_INTERCEPTOR_READ_RANGE(ctx, delim, sizeof(delim[0]) * 3);
8311	char *ret = REAL(fparseln)(stream, len, lineno, delim, flags);
8312	if (ret) {
8313	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, internal_strlen(ret) + 1);
8314	if (len)
8315	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, len, sizeof(*len));
8316	if (lineno)
8317	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, lineno, sizeof(*lineno));
8318	}
8319	return ret;
8320	}
8321	#define INIT_FPARSELN COMMON_INTERCEPT_FUNCTION(fparseln)
8322	#else
8323	#define INIT_FPARSELN
8324	#endif
8325
8326	#if SANITIZER_INTERCEPT_STATVFS1
8327	INTERCEPTOR(int, statvfs1, const char *path, void *buf, int flags) {
8328	void *ctx;
8329	COMMON_INTERCEPTOR_ENTER(ctx, statvfs1, path, buf, flags);
8330	if (path) COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
8331	int res = REAL(statvfs1)(path, buf, flags);
8332	if (!res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
8333	return res;
8334	}
8335	INTERCEPTOR(int, fstatvfs1, int fd, void *buf, int flags) {
8336	void *ctx;
8337	COMMON_INTERCEPTOR_ENTER(ctx, fstatvfs1, fd, buf, flags);
8338	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
8339	int res = REAL(fstatvfs1)(fd, buf, flags);
8340	if (!res) {
8341	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, struct_statvfs_sz);
8342	if (fd >= 0)
8343	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
8344	}
8345	return res;
8346	}
8347	#define INIT_STATVFS1 \
8348	COMMON_INTERCEPT_FUNCTION(statvfs1); \
8349	COMMON_INTERCEPT_FUNCTION(fstatvfs1);
8350	#else
8351	#define INIT_STATVFS1
8352	#endif
8353
8354	#if SANITIZER_INTERCEPT_STRTOI
8355	INTERCEPTOR(INTMAX_T, strtoi, const char *nptr, char **endptr, int base,
8356	INTMAX_T low, INTMAX_T high, int *rstatus) {
8357	void *ctx;
8358	COMMON_INTERCEPTOR_ENTER(ctx, strtoi, nptr, endptr, base, low, high, rstatus);
8359	char *real_endptr;
8360	INTMAX_T ret = REAL(strtoi)(nptr, &real_endptr, base, low, high, rstatus);
8361	StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base);
8362	if (rstatus)
8363	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rstatus, sizeof(*rstatus));
8364	return ret;
8365	}
8366
8367	INTERCEPTOR(UINTMAX_T, strtou, const char *nptr, char **endptr, int base,
8368	UINTMAX_T low, UINTMAX_T high, int *rstatus) {
8369	void *ctx;
8370	COMMON_INTERCEPTOR_ENTER(ctx, strtou, nptr, endptr, base, low, high, rstatus);
8371	char *real_endptr;
8372	UINTMAX_T ret = REAL(strtou)(nptr, &real_endptr, base, low, high, rstatus);
8373	StrtolFixAndCheck(ctx, nptr, endptr, real_endptr, base);
8374	if (rstatus)
8375	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rstatus, sizeof(*rstatus));
8376	return ret;
8377	}
8378	#define INIT_STRTOI \
8379	COMMON_INTERCEPT_FUNCTION(strtoi); \
8380	COMMON_INTERCEPT_FUNCTION(strtou)
8381	#else
8382	#define INIT_STRTOI
8383	#endif
8384
8385	#if SANITIZER_INTERCEPT_CAPSICUM
8386	#define CAP_RIGHTS_INIT_INTERCEPTOR(cap_rights_init, rights, ...) \
8387	{ \
8388	void *ctx; \
8389	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_init, rights, ##__VA_ARGS__); \
8390	if (rights) \
8391	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8392	__sanitizer_cap_rights_t *ret = \
8393	REAL(cap_rights_init)(rights, ##__VA_ARGS__); \
8394	if (ret) \
8395	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \
8396	return ret; \
8397	}
8398
8399	#define CAP_RIGHTS_SET_INTERCEPTOR(cap_rights_set, rights, ...) \
8400	{ \
8401	void *ctx; \
8402	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_set, rights, ##__VA_ARGS__); \
8403	if (rights) \
8404	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8405	__sanitizer_cap_rights_t *ret = \
8406	REAL(cap_rights_set)(rights, ##__VA_ARGS__); \
8407	if (ret) \
8408	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \
8409	return ret; \
8410	}
8411
8412	#define CAP_RIGHTS_CLEAR_INTERCEPTOR(cap_rights_clear, rights, ...) \
8413	{ \
8414	void *ctx; \
8415	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_clear, rights, ##__VA_ARGS__); \
8416	if (rights) \
8417	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8418	__sanitizer_cap_rights_t *ret = \
8419	REAL(cap_rights_clear)(rights, ##__VA_ARGS__); \
8420	if (ret) \
8421	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret)); \
8422	return ret; \
8423	}
8424
8425	#define CAP_RIGHTS_IS_SET_INTERCEPTOR(cap_rights_is_set, rights, ...) \
8426	{ \
8427	void *ctx; \
8428	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_is_set, rights, ##__VA_ARGS__); \
8429	if (rights) \
8430	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights)); \
8431	return REAL(cap_rights_is_set)(rights, ##__VA_ARGS__); \
8432	}
8433
8434	INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_init,
8435	__sanitizer_cap_rights_t *rights) {
8436	CAP_RIGHTS_INIT_INTERCEPTOR(cap_rights_init, rights);
8437	}
8438
8439	INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_set,
8440	__sanitizer_cap_rights_t *rights) {
8441	CAP_RIGHTS_SET_INTERCEPTOR(cap_rights_set, rights);
8442	}
8443
8444	INTERCEPTOR(__sanitizer_cap_rights_t *, cap_rights_clear,
8445	__sanitizer_cap_rights_t *rights) {
8446	CAP_RIGHTS_CLEAR_INTERCEPTOR(cap_rights_clear, rights);
8447	}
8448
8449	INTERCEPTOR(bool, cap_rights_is_set,
8450	__sanitizer_cap_rights_t *rights) {
8451	CAP_RIGHTS_IS_SET_INTERCEPTOR(cap_rights_is_set, rights);
8452	}
8453
8454	INTERCEPTOR(int, cap_rights_limit, int fd,
8455	const __sanitizer_cap_rights_t *rights) {
8456	void *ctx;
8457	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_limit, fd, rights);
8458	if (rights)
8459	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights));
8460
8461	return REAL(cap_rights_limit)(fd, rights);
8462	}
8463
8464	INTERCEPTOR(int, cap_rights_get, int fd, __sanitizer_cap_rights_t *rights) {
8465	void *ctx;
8466	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_get, fd, rights);
8467	int ret = REAL(cap_rights_get)(fd, rights);
8468	if (!ret && rights)
8469	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, rights, sizeof(*rights));
8470
8471	return ret;
8472	}
8473
8474	INTERCEPTOR(bool, cap_rights_is_valid, const __sanitizer_cap_rights_t *rights) {
8475	void *ctx;
8476	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_is_valid, rights);
8477	if (rights)
8478	COMMON_INTERCEPTOR_READ_RANGE(ctx, rights, sizeof(*rights));
8479
8480	return REAL(cap_rights_is_valid(rights));
8481	}
8482
8483	INTERCEPTOR(__sanitizer_cap_rights *, cap_rights_merge,
8484	__sanitizer_cap_rights *dst, const __sanitizer_cap_rights *src) {
8485	void *ctx;
8486	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_merge, dst, src);
8487	if (src)
8488	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
8489
8490	__sanitizer_cap_rights *ret = REAL(cap_rights_merge)(dst, src);
8491	if (dst)
8492	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
8493
8494	return ret;
8495	}
8496
8497	INTERCEPTOR(__sanitizer_cap_rights *, cap_rights_remove,
8498	__sanitizer_cap_rights *dst, const __sanitizer_cap_rights *src) {
8499	void *ctx;
8500	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_remove, dst, src);
8501	if (src)
8502	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, sizeof(*src));
8503
8504	__sanitizer_cap_rights *ret = REAL(cap_rights_remove)(dst, src);
8505	if (dst)
8506	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(*dst));
8507
8508	return ret;
8509	}
8510
8511	INTERCEPTOR(bool, cap_rights_contains, const __sanitizer_cap_rights *big,
8512	const __sanitizer_cap_rights *little) {
8513	void *ctx;
8514	COMMON_INTERCEPTOR_ENTER(ctx, cap_rights_contains, big, little);
8515	if (little)
8516	COMMON_INTERCEPTOR_READ_RANGE(ctx, little, sizeof(*little));
8517	if (big)
8518	COMMON_INTERCEPTOR_READ_RANGE(ctx, big, sizeof(*big));
8519
8520	return REAL(cap_rights_contains)(big, little);
8521	}
8522
8523	INTERCEPTOR(int, cap_ioctls_limit, int fd, const uptr *cmds, SIZE_T ncmds) {
8524	void *ctx;
8525	COMMON_INTERCEPTOR_ENTER(ctx, cap_ioctls_limit, fd, cmds, ncmds);
8526	if (cmds)
8527	COMMON_INTERCEPTOR_READ_RANGE(ctx, cmds, sizeof(*cmds) * ncmds);
8528
8529	return REAL(cap_ioctls_limit)(fd, cmds, ncmds);
8530	}
8531
8532	INTERCEPTOR(int, cap_ioctls_get, int fd, uptr *cmds, SIZE_T maxcmds) {
8533	void *ctx;
8534	COMMON_INTERCEPTOR_ENTER(ctx, cap_ioctls_get, fd, cmds, maxcmds);
8535	int ret = REAL(cap_ioctls_get)(fd, cmds, maxcmds);
8536	if (!ret && cmds)
8537	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cmds, sizeof(*cmds) * maxcmds);
8538
8539	return ret;
8540	}
8541	#define INIT_CAPSICUM \
8542	COMMON_INTERCEPT_FUNCTION(cap_rights_init); \
8543	COMMON_INTERCEPT_FUNCTION(cap_rights_set); \
8544	COMMON_INTERCEPT_FUNCTION(cap_rights_clear); \
8545	COMMON_INTERCEPT_FUNCTION(cap_rights_is_set); \
8546	COMMON_INTERCEPT_FUNCTION(cap_rights_get); \
8547	COMMON_INTERCEPT_FUNCTION(cap_rights_limit); \
8548	COMMON_INTERCEPT_FUNCTION(cap_rights_contains); \
8549	COMMON_INTERCEPT_FUNCTION(cap_rights_remove); \
8550	COMMON_INTERCEPT_FUNCTION(cap_rights_merge); \
8551	COMMON_INTERCEPT_FUNCTION(cap_rights_is_valid); \
8552	COMMON_INTERCEPT_FUNCTION(cap_ioctls_get); \
8553	COMMON_INTERCEPT_FUNCTION(cap_ioctls_limit)
8554	#else
8555	#define INIT_CAPSICUM
8556	#endif
8557
8558	#if SANITIZER_INTERCEPT_SHA1
8559	INTERCEPTOR(void, SHA1Init, void *context) {
8560	void *ctx;
8561	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Init, context);
8562	REAL(SHA1Init)(context);
8563	if (context)
8564	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA1_CTX_sz);
8565	}
8566	INTERCEPTOR(void, SHA1Update, void *context, const u8 *data, unsigned len) {
8567	void *ctx;
8568	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Update, context, data, len);
8569	if (data && len > 0)
8570	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8571	if (context)
8572	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz);
8573	REAL(SHA1Update)(context, data, len);
8574	if (context)
8575	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA1_CTX_sz);
8576	}
8577	INTERCEPTOR(void, SHA1Final, u8 digest[20], void *context) {
8578	void *ctx;
8579	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Final, digest, context);
8580	if (context)
8581	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz);
8582	REAL(SHA1Final)(digest, context);
8583	if (digest)
8584	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(u8) * 20);
8585	}
8586	INTERCEPTOR(void, SHA1Transform, u32 state[5], u8 buffer[64]) {
8587	void *ctx;
8588	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Transform, state, buffer);
8589	if (state)
8590	COMMON_INTERCEPTOR_READ_RANGE(ctx, state, sizeof(u32) * 5);
8591	if (buffer)
8592	COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, sizeof(u8) * 64);
8593	REAL(SHA1Transform)(state, buffer);
8594	if (state)
8595	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, state, sizeof(u32) * 5);
8596	}
8597	INTERCEPTOR(char *, SHA1End, void *context, char *buf) {
8598	void *ctx;
8599	COMMON_INTERCEPTOR_ENTER(ctx, SHA1End, context, buf);
8600	if (context)
8601	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA1_CTX_sz);
8602	char *ret = REAL(SHA1End)(context, buf);
8603	if (ret)
8604	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8605	return ret;
8606	}
8607	INTERCEPTOR(char *, SHA1File, char *filename, char *buf) {
8608	void *ctx;
8609	COMMON_INTERCEPTOR_ENTER(ctx, SHA1File, filename, buf);
8610	if (filename)
8611	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8612	char *ret = REAL(SHA1File)(filename, buf);
8613	if (ret)
8614	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8615	return ret;
8616	}
8617	INTERCEPTOR(char *, SHA1FileChunk, char *filename, char *buf, OFF_T offset,
8618	OFF_T length) {
8619	void *ctx;
8620	COMMON_INTERCEPTOR_ENTER(ctx, SHA1FileChunk, filename, buf, offset, length);
8621	if (filename)
8622	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8623	char *ret = REAL(SHA1FileChunk)(filename, buf, offset, length);
8624	if (ret)
8625	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8626	return ret;
8627	}
8628	INTERCEPTOR(char *, SHA1Data, u8 *data, SIZE_T len, char *buf) {
8629	void *ctx;
8630	COMMON_INTERCEPTOR_ENTER(ctx, SHA1Data, data, len, buf);
8631	if (data)
8632	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8633	char *ret = REAL(SHA1Data)(data, len, buf);
8634	if (ret)
8635	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA1_return_length);
8636	return ret;
8637	}
8638	#define INIT_SHA1 \
8639	COMMON_INTERCEPT_FUNCTION(SHA1Init); \
8640	COMMON_INTERCEPT_FUNCTION(SHA1Update); \
8641	COMMON_INTERCEPT_FUNCTION(SHA1Final); \
8642	COMMON_INTERCEPT_FUNCTION(SHA1Transform); \
8643	COMMON_INTERCEPT_FUNCTION(SHA1End); \
8644	COMMON_INTERCEPT_FUNCTION(SHA1File); \
8645	COMMON_INTERCEPT_FUNCTION(SHA1FileChunk); \
8646	COMMON_INTERCEPT_FUNCTION(SHA1Data)
8647	#else
8648	#define INIT_SHA1
8649	#endif
8650
8651	#if SANITIZER_INTERCEPT_MD4
8652	INTERCEPTOR(void, MD4Init, void *context) {
8653	void *ctx;
8654	COMMON_INTERCEPTOR_ENTER(ctx, MD4Init, context);
8655	REAL(MD4Init)(context);
8656	if (context)
8657	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD4_CTX_sz);
8658	}
8659
8660	INTERCEPTOR(void, MD4Update, void *context, const unsigned char *data,
8661	unsigned int len) {
8662	void *ctx;
8663	COMMON_INTERCEPTOR_ENTER(ctx, MD4Update, context, data, len);
8664	if (data && len > 0)
8665	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8666	if (context)
8667	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz);
8668	REAL(MD4Update)(context, data, len);
8669	if (context)
8670	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD4_CTX_sz);
8671	}
8672
8673	INTERCEPTOR(void, MD4Final, unsigned char digest[16], void *context) {
8674	void *ctx;
8675	COMMON_INTERCEPTOR_ENTER(ctx, MD4Final, digest, context);
8676	if (context)
8677	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz);
8678	REAL(MD4Final)(digest, context);
8679	if (digest)
8680	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16);
8681	}
8682
8683	INTERCEPTOR(char *, MD4End, void *context, char *buf) {
8684	void *ctx;
8685	COMMON_INTERCEPTOR_ENTER(ctx, MD4End, context, buf);
8686	if (context)
8687	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD4_CTX_sz);
8688	char *ret = REAL(MD4End)(context, buf);
8689	if (ret)
8690	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length);
8691	return ret;
8692	}
8693
8694	INTERCEPTOR(char *, MD4File, const char *filename, char *buf) {
8695	void *ctx;
8696	COMMON_INTERCEPTOR_ENTER(ctx, MD4File, filename, buf);
8697	if (filename)
8698	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8699	char *ret = REAL(MD4File)(filename, buf);
8700	if (ret)
8701	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length);
8702	return ret;
8703	}
8704
8705	INTERCEPTOR(char *, MD4Data, const unsigned char *data, unsigned int len,
8706	char *buf) {
8707	void *ctx;
8708	COMMON_INTERCEPTOR_ENTER(ctx, MD4Data, data, len, buf);
8709	if (data && len > 0)
8710	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8711	char *ret = REAL(MD4Data)(data, len, buf);
8712	if (ret)
8713	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD4_return_length);
8714	return ret;
8715	}
8716
8717	#define INIT_MD4 \
8718	COMMON_INTERCEPT_FUNCTION(MD4Init); \
8719	COMMON_INTERCEPT_FUNCTION(MD4Update); \
8720	COMMON_INTERCEPT_FUNCTION(MD4Final); \
8721	COMMON_INTERCEPT_FUNCTION(MD4End); \
8722	COMMON_INTERCEPT_FUNCTION(MD4File); \
8723	COMMON_INTERCEPT_FUNCTION(MD4Data)
8724	#else
8725	#define INIT_MD4
8726	#endif
8727
8728	#if SANITIZER_INTERCEPT_RMD160
8729	INTERCEPTOR(void, RMD160Init, void *context) {
8730	void *ctx;
8731	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Init, context);
8732	REAL(RMD160Init)(context);
8733	if (context)
8734	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, RMD160_CTX_sz);
8735	}
8736	INTERCEPTOR(void, RMD160Update, void *context, const u8 *data, unsigned len) {
8737	void *ctx;
8738	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Update, context, data, len);
8739	if (data && len > 0)
8740	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8741	if (context)
8742	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz);
8743	REAL(RMD160Update)(context, data, len);
8744	if (context)
8745	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, RMD160_CTX_sz);
8746	}
8747	INTERCEPTOR(void, RMD160Final, u8 digest[20], void *context) {
8748	void *ctx;
8749	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Final, digest, context);
8750	if (context)
8751	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz);
8752	REAL(RMD160Final)(digest, context);
8753	if (digest)
8754	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(u8) * 20);
8755	}
8756	INTERCEPTOR(void, RMD160Transform, u32 state[5], u16 buffer[16]) {
8757	void *ctx;
8758	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Transform, state, buffer);
8759	if (state)
8760	COMMON_INTERCEPTOR_READ_RANGE(ctx, state, sizeof(u32) * 5);
8761	if (buffer)
8762	COMMON_INTERCEPTOR_READ_RANGE(ctx, buffer, sizeof(u32) * 16);
8763	REAL(RMD160Transform)(state, buffer);
8764	if (state)
8765	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, state, sizeof(u32) * 5);
8766	}
8767	INTERCEPTOR(char *, RMD160End, void *context, char *buf) {
8768	void *ctx;
8769	COMMON_INTERCEPTOR_ENTER(ctx, RMD160End, context, buf);
8770	if (context)
8771	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, RMD160_CTX_sz);
8772	char *ret = REAL(RMD160End)(context, buf);
8773	if (ret)
8774	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8775	return ret;
8776	}
8777	INTERCEPTOR(char *, RMD160File, char *filename, char *buf) {
8778	void *ctx;
8779	COMMON_INTERCEPTOR_ENTER(ctx, RMD160File, filename, buf);
8780	if (filename)
8781	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8782	char *ret = REAL(RMD160File)(filename, buf);
8783	if (ret)
8784	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8785	return ret;
8786	}
8787	INTERCEPTOR(char *, RMD160FileChunk, char *filename, char *buf, OFF_T offset,
8788	OFF_T length) {
8789	void *ctx;
8790	COMMON_INTERCEPTOR_ENTER(ctx, RMD160FileChunk, filename, buf, offset, length);
8791	if (filename)
8792	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8793	char *ret = REAL(RMD160FileChunk)(filename, buf, offset, length);
8794	if (ret)
8795	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8796	return ret;
8797	}
8798	INTERCEPTOR(char *, RMD160Data, u8 *data, SIZE_T len, char *buf) {
8799	void *ctx;
8800	COMMON_INTERCEPTOR_ENTER(ctx, RMD160Data, data, len, buf);
8801	if (data && len > 0)
8802	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8803	char *ret = REAL(RMD160Data)(data, len, buf);
8804	if (ret)
8805	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, RMD160_return_length);
8806	return ret;
8807	}
8808	#define INIT_RMD160 \
8809	COMMON_INTERCEPT_FUNCTION(RMD160Init); \
8810	COMMON_INTERCEPT_FUNCTION(RMD160Update); \
8811	COMMON_INTERCEPT_FUNCTION(RMD160Final); \
8812	COMMON_INTERCEPT_FUNCTION(RMD160Transform); \
8813	COMMON_INTERCEPT_FUNCTION(RMD160End); \
8814	COMMON_INTERCEPT_FUNCTION(RMD160File); \
8815	COMMON_INTERCEPT_FUNCTION(RMD160FileChunk); \
8816	COMMON_INTERCEPT_FUNCTION(RMD160Data)
8817	#else
8818	#define INIT_RMD160
8819	#endif
8820
8821	#if SANITIZER_INTERCEPT_MD5
8822	INTERCEPTOR(void, MD5Init, void *context) {
8823	void *ctx;
8824	COMMON_INTERCEPTOR_ENTER(ctx, MD5Init, context);
8825	REAL(MD5Init)(context);
8826	if (context)
8827	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD5_CTX_sz);
8828	}
8829
8830	INTERCEPTOR(void, MD5Update, void *context, const unsigned char *data,
8831	unsigned int len) {
8832	void *ctx;
8833	COMMON_INTERCEPTOR_ENTER(ctx, MD5Update, context, data, len);
8834	if (data && len > 0)
8835	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8836	if (context)
8837	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD5_CTX_sz);
8838	REAL(MD5Update)(context, data, len);
8839	if (context)
8840	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD5_CTX_sz);
8841	}
8842
8843	INTERCEPTOR(void, MD5Final, unsigned char digest[16], void *context) {
8844	void *ctx;
8845	COMMON_INTERCEPTOR_ENTER(ctx, MD5Final, digest, context);
8846	if (context)
8847	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD5_CTX_sz);
8848	REAL(MD5Final)(digest, context);
8849	if (digest)
8850	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16);
8851	}
8852
8853	INTERCEPTOR(char *, MD5End, void *context, char *buf) {
8854	void *ctx;
8855	COMMON_INTERCEPTOR_ENTER(ctx, MD5End, context, buf);
8856	if (context)
8857	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD5_CTX_sz);
8858	char *ret = REAL(MD5End)(context, buf);
8859	if (ret)
8860	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD5_return_length);
8861	return ret;
8862	}
8863
8864	INTERCEPTOR(char *, MD5File, const char *filename, char *buf) {
8865	void *ctx;
8866	COMMON_INTERCEPTOR_ENTER(ctx, MD5File, filename, buf);
8867	if (filename)
8868	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8869	char *ret = REAL(MD5File)(filename, buf);
8870	if (ret)
8871	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD5_return_length);
8872	return ret;
8873	}
8874
8875	INTERCEPTOR(char *, MD5Data, const unsigned char *data, unsigned int len,
8876	char *buf) {
8877	void *ctx;
8878	COMMON_INTERCEPTOR_ENTER(ctx, MD5Data, data, len, buf);
8879	if (data && len > 0)
8880	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8881	char *ret = REAL(MD5Data)(data, len, buf);
8882	if (ret)
8883	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD5_return_length);
8884	return ret;
8885	}
8886
8887	#define INIT_MD5 \
8888	COMMON_INTERCEPT_FUNCTION(MD5Init); \
8889	COMMON_INTERCEPT_FUNCTION(MD5Update); \
8890	COMMON_INTERCEPT_FUNCTION(MD5Final); \
8891	COMMON_INTERCEPT_FUNCTION(MD5End); \
8892	COMMON_INTERCEPT_FUNCTION(MD5File); \
8893	COMMON_INTERCEPT_FUNCTION(MD5Data)
8894	#else
8895	#define INIT_MD5
8896	#endif
8897
8898	#if SANITIZER_INTERCEPT_FSEEK
8899	INTERCEPTOR(int, fseek, __sanitizer_FILE *stream, long int offset, int whence) {
8900	void *ctx;
8901	COMMON_INTERCEPTOR_ENTER(ctx, fseek, stream, offset, whence);
8902	return REAL(fseek)(stream, offset, whence);
8903	}
8904	INTERCEPTOR(int, fseeko, __sanitizer_FILE *stream, OFF_T offset, int whence) {
8905	void *ctx;
8906	COMMON_INTERCEPTOR_ENTER(ctx, fseeko, stream, offset, whence);
8907	return REAL(fseeko)(stream, offset, whence);
8908	}
8909	INTERCEPTOR(long int, ftell, __sanitizer_FILE *stream) {
8910	void *ctx;
8911	COMMON_INTERCEPTOR_ENTER(ctx, ftell, stream);
8912	return REAL(ftell)(stream);
8913	}
8914	INTERCEPTOR(OFF_T, ftello, __sanitizer_FILE *stream) {
8915	void *ctx;
8916	COMMON_INTERCEPTOR_ENTER(ctx, ftello, stream);
8917	return REAL(ftello)(stream);
8918	}
8919	INTERCEPTOR(void, rewind, __sanitizer_FILE *stream) {
8920	void *ctx;
8921	COMMON_INTERCEPTOR_ENTER(ctx, rewind, stream);
8922	return REAL(rewind)(stream);
8923	}
8924	INTERCEPTOR(int, fgetpos, __sanitizer_FILE *stream, void *pos) {
8925	void *ctx;
8926	COMMON_INTERCEPTOR_ENTER(ctx, fgetpos, stream, pos);
8927	int ret = REAL(fgetpos)(stream, pos);
8928	if (pos && !ret)
8929	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pos, fpos_t_sz);
8930	return ret;
8931	}
8932	INTERCEPTOR(int, fsetpos, __sanitizer_FILE *stream, const void *pos) {
8933	void *ctx;
8934	COMMON_INTERCEPTOR_ENTER(ctx, fsetpos, stream, pos);
8935	if (pos)
8936	COMMON_INTERCEPTOR_READ_RANGE(ctx, pos, fpos_t_sz);
8937	return REAL(fsetpos)(stream, pos);
8938	}
8939	#define INIT_FSEEK \
8940	COMMON_INTERCEPT_FUNCTION(fseek); \
8941	COMMON_INTERCEPT_FUNCTION(fseeko); \
8942	COMMON_INTERCEPT_FUNCTION(ftell); \
8943	COMMON_INTERCEPT_FUNCTION(ftello); \
8944	COMMON_INTERCEPT_FUNCTION(rewind); \
8945	COMMON_INTERCEPT_FUNCTION(fgetpos); \
8946	COMMON_INTERCEPT_FUNCTION(fsetpos)
8947	#else
8948	#define INIT_FSEEK
8949	#endif
8950
8951	#if SANITIZER_INTERCEPT_MD2
8952	INTERCEPTOR(void, MD2Init, void *context) {
8953	void *ctx;
8954	COMMON_INTERCEPTOR_ENTER(ctx, MD2Init, context);
8955	REAL(MD2Init)(context);
8956	if (context)
8957	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD2_CTX_sz);
8958	}
8959
8960	INTERCEPTOR(void, MD2Update, void *context, const unsigned char *data,
8961	unsigned int len) {
8962	void *ctx;
8963	COMMON_INTERCEPTOR_ENTER(ctx, MD2Update, context, data, len);
8964	if (data && len > 0)
8965	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
8966	if (context)
8967	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz);
8968	REAL(MD2Update)(context, data, len);
8969	if (context)
8970	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, MD2_CTX_sz);
8971	}
8972
8973	INTERCEPTOR(void, MD2Final, unsigned char digest[16], void *context) {
8974	void *ctx;
8975	COMMON_INTERCEPTOR_ENTER(ctx, MD2Final, digest, context);
8976	if (context)
8977	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz);
8978	REAL(MD2Final)(digest, context);
8979	if (digest)
8980	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, sizeof(unsigned char) * 16);
8981	}
8982
8983	INTERCEPTOR(char *, MD2End, void *context, char *buf) {
8984	void *ctx;
8985	COMMON_INTERCEPTOR_ENTER(ctx, MD2End, context, buf);
8986	if (context)
8987	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, MD2_CTX_sz);
8988	char *ret = REAL(MD2End)(context, buf);
8989	if (ret)
8990	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length);
8991	return ret;
8992	}
8993
8994	INTERCEPTOR(char *, MD2File, const char *filename, char *buf) {
8995	void *ctx;
8996	COMMON_INTERCEPTOR_ENTER(ctx, MD2File, filename, buf);
8997	if (filename)
8998	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);
8999	char *ret = REAL(MD2File)(filename, buf);
9000	if (ret)
9001	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length);
9002	return ret;
9003	}
9004
9005	INTERCEPTOR(char *, MD2Data, const unsigned char *data, unsigned int len,
9006	char *buf) {
9007	void *ctx;
9008	COMMON_INTERCEPTOR_ENTER(ctx, MD2Data, data, len, buf);
9009	if (data && len > 0)
9010	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len);
9011	char *ret = REAL(MD2Data)(data, len, buf);
9012	if (ret)
9013	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, MD2_return_length);
9014	return ret;
9015	}
9016
9017	#define INIT_MD2 \
9018	COMMON_INTERCEPT_FUNCTION(MD2Init); \
9019	COMMON_INTERCEPT_FUNCTION(MD2Update); \
9020	COMMON_INTERCEPT_FUNCTION(MD2Final); \
9021	COMMON_INTERCEPT_FUNCTION(MD2End); \
9022	COMMON_INTERCEPT_FUNCTION(MD2File); \
9023	COMMON_INTERCEPT_FUNCTION(MD2Data)
9024	#else
9025	#define INIT_MD2
9026	#endif
9027
9028	#if SANITIZER_INTERCEPT_SHA2
9029	#define SHA2_INTERCEPTORS(LEN, SHA2_STATE_T) \
9030	INTERCEPTOR(void, SHA##LEN##_Init, void *context) { \
9031	void *ctx; \
9032	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Init, context); \
9033	REAL(SHA##LEN##_Init)(context); \
9034	if (context) \
9035	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA##LEN##_CTX_sz); \
9036	} \
9037	INTERCEPTOR(void, SHA##LEN##_Update, void *context, \
9038	const u8 *data, SIZE_T len) { \
9039	void *ctx; \
9040	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Update, context, data, len); \
9041	if (data && len > 0) \
9042	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); \
9043	if (context) \
9044	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA##LEN##_CTX_sz); \
9045	REAL(SHA##LEN##_Update)(context, data, len); \
9046	if (context) \
9047	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, context, SHA##LEN##_CTX_sz); \
9048	} \
9049	INTERCEPTOR(void, SHA##LEN##_Final, u8 digest[LEN/8], \
9050	void *context) { \
9051	void *ctx; \
9052	CHECK_EQ(SHA##LEN##_digest_length, LEN/8); \
9053	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Final, digest, context); \
9054	if (context) \
9055	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA##LEN##_CTX_sz); \
9056	REAL(SHA##LEN##_Final)(digest, context); \
9057	if (digest) \
9058	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, digest, \
9059	sizeof(digest[0]) * \
9060	SHA##LEN##_digest_length); \
9061	} \
9062	INTERCEPTOR(char *, SHA##LEN##_End, void *context, char *buf) { \
9063	void *ctx; \
9064	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_End, context, buf); \
9065	if (context) \
9066	COMMON_INTERCEPTOR_READ_RANGE(ctx, context, SHA##LEN##_CTX_sz); \
9067	char *ret = REAL(SHA##LEN##_End)(context, buf); \
9068	if (ret) \
9069	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \
9070	return ret; \
9071	} \
9072	INTERCEPTOR(char *, SHA##LEN##_File, const char *filename, char *buf) { \
9073	void *ctx; \
9074	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_File, filename, buf); \
9075	if (filename) \
9076	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);\
9077	char *ret = REAL(SHA##LEN##_File)(filename, buf); \
9078	if (ret) \
9079	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \
9080	return ret; \
9081	} \
9082	INTERCEPTOR(char *, SHA##LEN##_FileChunk, const char *filename, char *buf, \
9083	OFF_T offset, OFF_T length) { \
9084	void *ctx; \
9085	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_FileChunk, filename, buf, offset, \
9086	length); \
9087	if (filename) \
9088	COMMON_INTERCEPTOR_READ_RANGE(ctx, filename, internal_strlen(filename) + 1);\
9089	char *ret = REAL(SHA##LEN##_FileChunk)(filename, buf, offset, length); \
9090	if (ret) \
9091	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \
9092	return ret; \
9093	} \
9094	INTERCEPTOR(char *, SHA##LEN##_Data, u8 *data, SIZE_T len, char *buf) { \
9095	void *ctx; \
9096	COMMON_INTERCEPTOR_ENTER(ctx, SHA##LEN##_Data, data, len, buf); \
9097	if (data && len > 0) \
9098	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, len); \
9099	char *ret = REAL(SHA##LEN##_Data)(data, len, buf); \
9100	if (ret) \
9101	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, SHA##LEN##_return_length); \
9102	return ret; \
9103	}
9104
9105	SHA2_INTERCEPTORS(224, u32)
9106	SHA2_INTERCEPTORS(256, u32)
9107	SHA2_INTERCEPTORS(384, u64)
9108	SHA2_INTERCEPTORS(512, u64)
9109
9110	#define INIT_SHA2_INTECEPTORS(LEN) \
9111	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Init); \
9112	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Update); \
9113	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Final); \
9114	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_End); \
9115	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_File); \
9116	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_FileChunk); \
9117	COMMON_INTERCEPT_FUNCTION(SHA##LEN##_Data)
9118
9119	#define INIT_SHA2 \
9120	INIT_SHA2_INTECEPTORS(224); \
9121	INIT_SHA2_INTECEPTORS(256); \
9122	INIT_SHA2_INTECEPTORS(384); \
9123	INIT_SHA2_INTECEPTORS(512)
9124	#undef SHA2_INTERCEPTORS
9125	#else
9126	#define INIT_SHA2
9127	#endif
9128
9129	#if SANITIZER_INTERCEPT_VIS
9130	INTERCEPTOR(char *, vis, char *dst, int c, int flag, int nextc) {
9131	void *ctx;
9132	COMMON_INTERCEPTOR_ENTER(ctx, vis, dst, c, flag, nextc);
9133	char *end = REAL(vis)(dst, c, flag, nextc);
9134	// dst is NULL terminated and end points to the NULL char
9135	if (dst && end)
9136	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1);
9137	return end;
9138	}
9139	INTERCEPTOR(char *, nvis, char *dst, SIZE_T dlen, int c, int flag, int nextc) {
9140	void *ctx;
9141	COMMON_INTERCEPTOR_ENTER(ctx, nvis, dst, dlen, c, flag, nextc);
9142	char *end = REAL(nvis)(dst, dlen, c, flag, nextc);
9143	// nvis cannot make sure the dst is NULL terminated
9144	if (dst && end)
9145	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1);
9146	return end;
9147	}
9148	INTERCEPTOR(int, strvis, char *dst, const char *src, int flag) {
9149	void *ctx;
9150	COMMON_INTERCEPTOR_ENTER(ctx, strvis, dst, src, flag);
9151	if (src)
9152	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9153	int len = REAL(strvis)(dst, src, flag);
9154	if (dst)
9155	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9156	return len;
9157	}
9158	INTERCEPTOR(int, stravis, char **dst, const char *src, int flag) {
9159	void *ctx;
9160	COMMON_INTERCEPTOR_ENTER(ctx, stravis, dst, src, flag);
9161	if (src)
9162	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9163	int len = REAL(stravis)(dst, src, flag);
9164	if (dst) {
9165	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, sizeof(char *));
9166	if (*dst)
9167	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *dst, len + 1);
9168	}
9169	return len;
9170	}
9171	INTERCEPTOR(int, strnvis, char *dst, SIZE_T dlen, const char *src, int flag) {
9172	void *ctx;
9173	COMMON_INTERCEPTOR_ENTER(ctx, strnvis, dst, dlen, src, flag);
9174	if (src)
9175	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9176	int len = REAL(strnvis)(dst, dlen, src, flag);
9177	// The interface will be valid even if there is no space for NULL char
9178	if (dst && len > 0)
9179	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9180	return len;
9181	}
9182	INTERCEPTOR(int, strvisx, char *dst, const char *src, SIZE_T len, int flag) {
9183	void *ctx;
9184	COMMON_INTERCEPTOR_ENTER(ctx, strvisx, dst, src, len, flag);
9185	if (src)
9186	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9187	int ret = REAL(strvisx)(dst, src, len, flag);
9188	if (dst)
9189	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9190	return ret;
9191	}
9192	INTERCEPTOR(int, strnvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len,
9193	int flag) {
9194	void *ctx;
9195	COMMON_INTERCEPTOR_ENTER(ctx, strnvisx, dst, dlen, src, len, flag);
9196	if (src)
9197	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9198	int ret = REAL(strnvisx)(dst, dlen, src, len, flag);
9199	if (dst && ret >= 0)
9200	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9201	return ret;
9202	}
9203	INTERCEPTOR(int, strenvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len,
9204	int flag, int *cerr_ptr) {
9205	void *ctx;
9206	COMMON_INTERCEPTOR_ENTER(ctx, strenvisx, dst, dlen, src, len, flag, cerr_ptr);
9207	if (src)
9208	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9209	// FIXME: only need to be checked when "flag | VIS_NOLOCALE" doesn't hold
9210	// according to the implementation
9211	if (cerr_ptr)
9212	COMMON_INTERCEPTOR_READ_RANGE(ctx, cerr_ptr, sizeof(int));
9213	int ret = REAL(strenvisx)(dst, dlen, src, len, flag, cerr_ptr);
9214	if (dst && ret >= 0)
9215	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9216	if (cerr_ptr)
9217	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cerr_ptr, sizeof(int));
9218	return ret;
9219	}
9220	INTERCEPTOR(char *, svis, char *dst, int c, int flag, int nextc,
9221	const char *extra) {
9222	void *ctx;
9223	COMMON_INTERCEPTOR_ENTER(ctx, svis, dst, c, flag, nextc, extra);
9224	if (extra)
9225	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9226	char *end = REAL(svis)(dst, c, flag, nextc, extra);
9227	if (dst && end)
9228	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, end - dst + 1);
9229	return end;
9230	}
9231	INTERCEPTOR(char *, snvis, char *dst, SIZE_T dlen, int c, int flag, int nextc,
9232	const char *extra) {
9233	void *ctx;
9234	COMMON_INTERCEPTOR_ENTER(ctx, snvis, dst, dlen, c, flag, nextc, extra);
9235	if (extra)
9236	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9237	char *end = REAL(snvis)(dst, dlen, c, flag, nextc, extra);
9238	if (dst && end)
9239	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst,
9240	Min((SIZE_T)(end - dst + 1), dlen));
9241	return end;
9242	}
9243	INTERCEPTOR(int, strsvis, char *dst, const char *src, int flag,
9244	const char *extra) {
9245	void *ctx;
9246	COMMON_INTERCEPTOR_ENTER(ctx, strsvis, dst, src, flag, extra);
9247	if (src)
9248	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9249	if (extra)
9250	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9251	int len = REAL(strsvis)(dst, src, flag, extra);
9252	if (dst)
9253	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9254	return len;
9255	}
9256	INTERCEPTOR(int, strsnvis, char *dst, SIZE_T dlen, const char *src, int flag,
9257	const char *extra) {
9258	void *ctx;
9259	COMMON_INTERCEPTOR_ENTER(ctx, strsnvis, dst, dlen, src, flag, extra);
9260	if (src)
9261	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9262	if (extra)
9263	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9264	int len = REAL(strsnvis)(dst, dlen, src, flag, extra);
9265	// The interface will be valid even if there is no space for NULL char
9266	if (dst && len >= 0)
9267	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, len + 1);
9268	return len;
9269	}
9270	INTERCEPTOR(int, strsvisx, char *dst, const char *src, SIZE_T len, int flag,
9271	const char *extra) {
9272	void *ctx;
9273	COMMON_INTERCEPTOR_ENTER(ctx, strsvisx, dst, src, len, flag, extra);
9274	if (src)
9275	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9276	if (extra)
9277	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9278	int ret = REAL(strsvisx)(dst, src, len, flag, extra);
9279	if (dst)
9280	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9281	return ret;
9282	}
9283	INTERCEPTOR(int, strsnvisx, char *dst, SIZE_T dlen, const char *src, SIZE_T len,
9284	int flag, const char *extra) {
9285	void *ctx;
9286	COMMON_INTERCEPTOR_ENTER(ctx, strsnvisx, dst, dlen, src, len, flag, extra);
9287	if (src)
9288	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9289	if (extra)
9290	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9291	int ret = REAL(strsnvisx)(dst, dlen, src, len, flag, extra);
9292	if (dst && ret >= 0)
9293	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9294	return ret;
9295	}
9296	INTERCEPTOR(int, strsenvisx, char *dst, SIZE_T dlen, const char *src,
9297	SIZE_T len, int flag, const char *extra, int *cerr_ptr) {
9298	void *ctx;
9299	COMMON_INTERCEPTOR_ENTER(ctx, strsenvisx, dst, dlen, src, len, flag, extra,
9300	cerr_ptr);
9301	if (src)
9302	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, len);
9303	if (extra)
9304	COMMON_INTERCEPTOR_READ_RANGE(ctx, extra, internal_strlen(extra) + 1);
9305	// FIXME: only need to be checked when "flag | VIS_NOLOCALE" doesn't hold
9306	// according to the implementation
9307	if (cerr_ptr)
9308	COMMON_INTERCEPTOR_READ_RANGE(ctx, cerr_ptr, sizeof(int));
9309	int ret = REAL(strsenvisx)(dst, dlen, src, len, flag, extra, cerr_ptr);
9310	if (dst && ret >= 0)
9311	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9312	if (cerr_ptr)
9313	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cerr_ptr, sizeof(int));
9314	return ret;
9315	}
9316	INTERCEPTOR(int, unvis, char *cp, int c, int *astate, int flag) {
9317	void *ctx;
9318	COMMON_INTERCEPTOR_ENTER(ctx, unvis, cp, c, astate, flag);
9319	if (astate)
9320	COMMON_INTERCEPTOR_READ_RANGE(ctx, astate, sizeof(*astate));
9321	int ret = REAL(unvis)(cp, c, astate, flag);
9322	if (ret == unvis_valid || ret == unvis_validpush) {
9323	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cp, sizeof(*cp));
9324	}
9325	return ret;
9326	}
9327	INTERCEPTOR(int, strunvis, char *dst, const char *src) {
9328	void *ctx;
9329	COMMON_INTERCEPTOR_ENTER(ctx, strunvis, dst, src);
9330	if (src)
9331	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9332	int ret = REAL(strunvis)(dst, src);
9333	if (ret != -1)
9334	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9335	return ret;
9336	}
9337	INTERCEPTOR(int, strnunvis, char *dst, SIZE_T dlen, const char *src) {
9338	void *ctx;
9339	COMMON_INTERCEPTOR_ENTER(ctx, strnunvis, dst, dlen, src);
9340	if (src)
9341	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9342	int ret = REAL(strnunvis)(dst, dlen, src);
9343	if (ret != -1)
9344	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9345	return ret;
9346	}
9347	INTERCEPTOR(int, strunvisx, char *dst, const char *src, int flag) {
9348	void *ctx;
9349	COMMON_INTERCEPTOR_ENTER(ctx, strunvisx, dst, src, flag);
9350	if (src)
9351	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9352	int ret = REAL(strunvisx)(dst, src, flag);
9353	if (ret != -1)
9354	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9355	return ret;
9356	}
9357	INTERCEPTOR(int, strnunvisx, char *dst, SIZE_T dlen, const char *src,
9358	int flag) {
9359	void *ctx;
9360	COMMON_INTERCEPTOR_ENTER(ctx, strnunvisx, dst, dlen, src, flag);
9361	if (src)
9362	COMMON_INTERCEPTOR_READ_RANGE(ctx, src, internal_strlen(src) + 1);
9363	int ret = REAL(strnunvisx)(dst, dlen, src, flag);
9364	if (ret != -1)
9365	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, dst, ret + 1);
9366	return ret;
9367	}
9368	#define INIT_VIS \
9369	COMMON_INTERCEPT_FUNCTION(vis); \
9370	COMMON_INTERCEPT_FUNCTION(nvis); \
9371	COMMON_INTERCEPT_FUNCTION(strvis); \
9372	COMMON_INTERCEPT_FUNCTION(stravis); \
9373	COMMON_INTERCEPT_FUNCTION(strnvis); \
9374	COMMON_INTERCEPT_FUNCTION(strvisx); \
9375	COMMON_INTERCEPT_FUNCTION(strnvisx); \
9376	COMMON_INTERCEPT_FUNCTION(strenvisx); \
9377	COMMON_INTERCEPT_FUNCTION(svis); \
9378	COMMON_INTERCEPT_FUNCTION(snvis); \
9379	COMMON_INTERCEPT_FUNCTION(strsvis); \
9380	COMMON_INTERCEPT_FUNCTION(strsnvis); \
9381	COMMON_INTERCEPT_FUNCTION(strsvisx); \
9382	COMMON_INTERCEPT_FUNCTION(strsnvisx); \
9383	COMMON_INTERCEPT_FUNCTION(strsenvisx); \
9384	COMMON_INTERCEPT_FUNCTION(unvis); \
9385	COMMON_INTERCEPT_FUNCTION(strunvis); \
9386	COMMON_INTERCEPT_FUNCTION(strnunvis); \
9387	COMMON_INTERCEPT_FUNCTION(strunvisx); \
9388	COMMON_INTERCEPT_FUNCTION(strnunvisx)
9389	#else
9390	#define INIT_VIS
9391	#endif
9392
9393	#if SANITIZER_INTERCEPT_CDB
9394	INTERCEPTOR(struct __sanitizer_cdbr *, cdbr_open, const char *path, int flags) {
9395	void *ctx;
9396	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_open, path, flags);
9397	if (path)
9398	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
9399	struct __sanitizer_cdbr *cdbr = REAL(cdbr_open)(path, flags);
9400	if (cdbr)
9401	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbr, sizeof(*cdbr));
9402	return cdbr;
9403	}
9404
9405	INTERCEPTOR(struct __sanitizer_cdbr *, cdbr_open_mem, void *base, SIZE_T size,
9406	int flags, void (*unmap)(void *, void *, SIZE_T), void *cookie) {
9407	void *ctx;
9408	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_open_mem, base, size, flags, unmap,
9409	cookie);
9410	if (base && size)
9411	COMMON_INTERCEPTOR_READ_RANGE(ctx, base, size);
9412	struct __sanitizer_cdbr *cdbr =
9413	REAL(cdbr_open_mem)(base, size, flags, unmap, cookie);
9414	if (cdbr)
9415	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbr, sizeof(*cdbr));
9416	return cdbr;
9417	}
9418
9419	INTERCEPTOR(u32, cdbr_entries, struct __sanitizer_cdbr *cdbr) {
9420	void *ctx;
9421	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_entries, cdbr);
9422	if (cdbr)
9423	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9424	return REAL(cdbr_entries)(cdbr);
9425	}
9426
9427	INTERCEPTOR(int, cdbr_get, struct __sanitizer_cdbr *cdbr, u32 index,
9428	const void **data, SIZE_T *datalen) {
9429	void *ctx;
9430	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_get, cdbr, index, data, datalen);
9431	if (cdbr)
9432	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9433	int ret = REAL(cdbr_get)(cdbr, index, data, datalen);
9434	if (!ret) {
9435	if (data)
9436	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(*data));
9437	if (datalen)
9438	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datalen, sizeof(*datalen));
9439	if (data && datalen)
9440	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *data, *datalen);
9441	}
9442	return ret;
9443	}
9444
9445	INTERCEPTOR(int, cdbr_find, struct __sanitizer_cdbr *cdbr, const void *key,
9446	SIZE_T keylen, const void **data, SIZE_T *datalen) {
9447	void *ctx;
9448	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_find, cdbr, key, keylen, data, datalen);
9449	if (cdbr)
9450	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9451	if (key)
9452	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen);
9453	int ret = REAL(cdbr_find)(cdbr, key, keylen, data, datalen);
9454	if (!ret) {
9455	if (data)
9456	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data, sizeof(*data));
9457	if (datalen)
9458	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, datalen, sizeof(*datalen));
9459	if (data && datalen)
9460	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, *data, *datalen);
9461	}
9462	return ret;
9463	}
9464
9465	INTERCEPTOR(void, cdbr_close, struct __sanitizer_cdbr *cdbr) {
9466	void *ctx;
9467	COMMON_INTERCEPTOR_ENTER(ctx, cdbr_close, cdbr);
9468	if (cdbr)
9469	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbr, sizeof(*cdbr));
9470	REAL(cdbr_close)(cdbr);
9471	}
9472
9473	INTERCEPTOR(struct __sanitizer_cdbw *, cdbw_open) {
9474	void *ctx;
9475	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_open);
9476	struct __sanitizer_cdbw *ret = REAL(cdbw_open)();
9477	if (ret)
9478	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, sizeof(*ret));
9479	return ret;
9480	}
9481
9482	INTERCEPTOR(int, cdbw_put, struct __sanitizer_cdbw *cdbw, const void *key,
9483	SIZE_T keylen, const void *data, SIZE_T datalen) {
9484	void *ctx;
9485	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put, cdbw, key, keylen, data, datalen);
9486	if (cdbw)
9487	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9488	if (data && datalen)
9489	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, datalen);
9490	if (key && keylen)
9491	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen);
9492	int ret = REAL(cdbw_put)(cdbw, key, keylen, data, datalen);
9493	if (!ret && cdbw)
9494	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9495	return ret;
9496	}
9497
9498	INTERCEPTOR(int, cdbw_put_data, struct __sanitizer_cdbw *cdbw, const void *data,
9499	SIZE_T datalen, u32 *index) {
9500	void *ctx;
9501	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put_data, cdbw, data, datalen, index);
9502	if (cdbw)
9503	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9504	if (data && datalen)
9505	COMMON_INTERCEPTOR_READ_RANGE(ctx, data, datalen);
9506	int ret = REAL(cdbw_put_data)(cdbw, data, datalen, index);
9507	if (!ret) {
9508	if (index)
9509	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, index, sizeof(*index));
9510	if (cdbw)
9511	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9512	}
9513	return ret;
9514	}
9515
9516	INTERCEPTOR(int, cdbw_put_key, struct __sanitizer_cdbw *cdbw, const void *key,
9517	SIZE_T keylen, u32 index) {
9518	void *ctx;
9519	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_put_key, cdbw, key, keylen, index);
9520	if (cdbw)
9521	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9522	if (key && keylen)
9523	COMMON_INTERCEPTOR_READ_RANGE(ctx, key, keylen);
9524	int ret = REAL(cdbw_put_key)(cdbw, key, keylen, index);
9525	if (!ret && cdbw)
9526	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9527	return ret;
9528	}
9529
9530	INTERCEPTOR(int, cdbw_output, struct __sanitizer_cdbw *cdbw, int output,
9531	const char descr[16], u32 (*seedgen)(void)) {
9532	void *ctx;
9533	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_output, cdbw, output, descr, seedgen);
9534	COMMON_INTERCEPTOR_FD_ACCESS(ctx, output);
9535	if (cdbw)
9536	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9537	if (descr)
9538	COMMON_INTERCEPTOR_READ_RANGE(ctx, descr, internal_strnlen(descr, 16));
9539	if (seedgen)
9540	COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)seedgen, sizeof(seedgen));
9541	int ret = REAL(cdbw_output)(cdbw, output, descr, seedgen);
9542	if (!ret) {
9543	if (cdbw)
9544	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, cdbw, sizeof(*cdbw));
9545	if (output >= 0)
9546	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, output);
9547	}
9548	return ret;
9549	}
9550
9551	INTERCEPTOR(void, cdbw_close, struct __sanitizer_cdbw *cdbw) {
9552	void *ctx;
9553	COMMON_INTERCEPTOR_ENTER(ctx, cdbw_close, cdbw);
9554	if (cdbw)
9555	COMMON_INTERCEPTOR_READ_RANGE(ctx, cdbw, sizeof(*cdbw));
9556	REAL(cdbw_close)(cdbw);
9557	}
9558
9559	#define INIT_CDB \
9560	COMMON_INTERCEPT_FUNCTION(cdbr_open); \
9561	COMMON_INTERCEPT_FUNCTION(cdbr_open_mem); \
9562	COMMON_INTERCEPT_FUNCTION(cdbr_entries); \
9563	COMMON_INTERCEPT_FUNCTION(cdbr_get); \
9564	COMMON_INTERCEPT_FUNCTION(cdbr_find); \
9565	COMMON_INTERCEPT_FUNCTION(cdbr_close); \
9566	COMMON_INTERCEPT_FUNCTION(cdbw_open); \
9567	COMMON_INTERCEPT_FUNCTION(cdbw_put); \
9568	COMMON_INTERCEPT_FUNCTION(cdbw_put_data); \
9569	COMMON_INTERCEPT_FUNCTION(cdbw_put_key); \
9570	COMMON_INTERCEPT_FUNCTION(cdbw_output); \
9571	COMMON_INTERCEPT_FUNCTION(cdbw_close)
9572	#else
9573	#define INIT_CDB
9574	#endif
9575
9576	#if SANITIZER_INTERCEPT_GETFSENT
9577	INTERCEPTOR(void *, getfsent) {
9578	void *ctx;
9579	COMMON_INTERCEPTOR_ENTER(ctx, getfsent);
9580	void *ret = REAL(getfsent)();
9581	if (ret)
9582	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz);
9583	return ret;
9584	}
9585
9586	INTERCEPTOR(void *, getfsspec, const char *spec) {
9587	void *ctx;
9588	COMMON_INTERCEPTOR_ENTER(ctx, getfsspec, spec);
9589	if (spec)
9590	COMMON_INTERCEPTOR_READ_RANGE(ctx, spec, internal_strlen(spec) + 1);
9591	void *ret = REAL(getfsspec)(spec);
9592	if (ret)
9593	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz);
9594	return ret;
9595	}
9596
9597	INTERCEPTOR(void *, getfsfile, const char *file) {
9598	void *ctx;
9599	COMMON_INTERCEPTOR_ENTER(ctx, getfsfile, file);
9600	if (file)
9601	COMMON_INTERCEPTOR_READ_RANGE(ctx, file, internal_strlen(file) + 1);
9602	void *ret = REAL(getfsfile)(file);
9603	if (ret)
9604	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, struct_fstab_sz);
9605	return ret;
9606	}
9607
9608	#define INIT_GETFSENT \
9609	COMMON_INTERCEPT_FUNCTION(getfsent); \
9610	COMMON_INTERCEPT_FUNCTION(getfsspec); \
9611	COMMON_INTERCEPT_FUNCTION(getfsfile);
9612	#else
9613	#define INIT_GETFSENT
9614	#endif
9615
9616	#if SANITIZER_INTERCEPT_ARC4RANDOM
9617	INTERCEPTOR(void, arc4random_buf, void *buf, SIZE_T len) {
9618	void *ctx;
9619	COMMON_INTERCEPTOR_ENTER(ctx, arc4random_buf, buf, len);
9620	REAL(arc4random_buf)(buf, len);
9621	if (buf && len)
9622	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, len);
9623	}
9624
9625	INTERCEPTOR(void, arc4random_addrandom, u8 *dat, int datlen) {
9626	void *ctx;
9627	COMMON_INTERCEPTOR_ENTER(ctx, arc4random_addrandom, dat, datlen);
9628	if (dat && datlen)
9629	COMMON_INTERCEPTOR_READ_RANGE(ctx, dat, datlen);
9630	REAL(arc4random_addrandom)(dat, datlen);
9631	}
9632
9633	#define INIT_ARC4RANDOM \
9634	COMMON_INTERCEPT_FUNCTION(arc4random_buf); \
9635	COMMON_INTERCEPT_FUNCTION(arc4random_addrandom);
9636	#else
9637	#define INIT_ARC4RANDOM
9638	#endif
9639
9640	#if SANITIZER_INTERCEPT_POPEN
9641	INTERCEPTOR(__sanitizer_FILE *, popen, const char *command, const char *type) {
9642	void *ctx;
9643	COMMON_INTERCEPTOR_ENTER(ctx, popen, command, type);
9644	if (command)
9645	COMMON_INTERCEPTOR_READ_RANGE(ctx, command, internal_strlen(command) + 1);
9646	if (type)
9647	COMMON_INTERCEPTOR_READ_RANGE(ctx, type, internal_strlen(type) + 1);
9648	__sanitizer_FILE *res = REAL(popen)(command, type);
9649	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, nullptr);
9650	if (res) unpoison_file(fp: res);
9651	return res;
9652	}
9653	#define INIT_POPEN COMMON_INTERCEPT_FUNCTION(popen)
9654	#else
9655	#define INIT_POPEN
9656	#endif
9657
9658	#if SANITIZER_INTERCEPT_POPENVE
9659	INTERCEPTOR(__sanitizer_FILE *, popenve, const char *path,
9660	char *const *argv, char *const *envp, const char *type) {
9661	void *ctx;
9662	COMMON_INTERCEPTOR_ENTER(ctx, popenve, path, argv, envp, type);
9663	if (path)
9664	COMMON_INTERCEPTOR_READ_RANGE(ctx, path, internal_strlen(path) + 1);
9665	if (argv) {
9666	for (char *const *pa = argv; ; ++pa) {
9667	COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **));
9668	if (!*pa)
9669	break;
9670	COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, internal_strlen(*pa) + 1);
9671	}
9672	}
9673	if (envp) {
9674	for (char *const *pa = envp; ; ++pa) {
9675	COMMON_INTERCEPTOR_READ_RANGE(ctx, pa, sizeof(char **));
9676	if (!*pa)
9677	break;
9678	COMMON_INTERCEPTOR_READ_RANGE(ctx, *pa, internal_strlen(*pa) + 1);
9679	}
9680	}
9681	if (type)
9682	COMMON_INTERCEPTOR_READ_RANGE(ctx, type, internal_strlen(type) + 1);
9683	__sanitizer_FILE *res = REAL(popenve)(path, argv, envp, type);
9684	COMMON_INTERCEPTOR_FILE_OPEN(ctx, res, nullptr);
9685	if (res) unpoison_file(res);
9686	return res;
9687	}
9688	#define INIT_POPENVE COMMON_INTERCEPT_FUNCTION(popenve)
9689	#else
9690	#define INIT_POPENVE
9691	#endif
9692
9693	#if SANITIZER_INTERCEPT_PCLOSE
9694	INTERCEPTOR(int, pclose, __sanitizer_FILE *fp) {
9695	void *ctx;
9696	COMMON_INTERCEPTOR_ENTER(ctx, pclose, fp);
9697	COMMON_INTERCEPTOR_FILE_CLOSE(ctx, fp);
9698	const FileMetadata *m = GetInterceptorMetadata(addr: fp);
9699	int res = REAL(pclose)(fp);
9700	if (m) {
9701	COMMON_INTERCEPTOR_INITIALIZE_RANGE(*m->addr, *m->size);
9702	DeleteInterceptorMetadata(addr: fp);
9703	}
9704	return res;
9705	}
9706	#define INIT_PCLOSE COMMON_INTERCEPT_FUNCTION(pclose);
9707	#else
9708	#define INIT_PCLOSE
9709	#endif
9710
9711	#if SANITIZER_INTERCEPT_FUNOPEN
9712	typedef int (*funopen_readfn)(void *cookie, char *buf, int len);
9713	typedef int (*funopen_writefn)(void *cookie, const char *buf, int len);
9714	typedef OFF_T (*funopen_seekfn)(void *cookie, OFF_T offset, int whence);
9715	typedef int (*funopen_closefn)(void *cookie);
9716
9717	struct WrappedFunopenCookie {
9718	void *real_cookie;
9719	funopen_readfn real_read;
9720	funopen_writefn real_write;
9721	funopen_seekfn real_seek;
9722	funopen_closefn real_close;
9723	};
9724
9725	static int wrapped_funopen_read(void *cookie, char *buf, int len) {
9726	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9727	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9728	funopen_readfn real_read = wrapped_cookie->real_read;
9729	return real_read(wrapped_cookie->real_cookie, buf, len);
9730	}
9731
9732	static int wrapped_funopen_write(void *cookie, const char *buf, int len) {
9733	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9734	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9735	funopen_writefn real_write = wrapped_cookie->real_write;
9736	return real_write(wrapped_cookie->real_cookie, buf, len);
9737	}
9738
9739	static OFF_T wrapped_funopen_seek(void *cookie, OFF_T offset, int whence) {
9740	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9741	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9742	funopen_seekfn real_seek = wrapped_cookie->real_seek;
9743	return real_seek(wrapped_cookie->real_cookie, offset, whence);
9744	}
9745
9746	static int wrapped_funopen_close(void *cookie) {
9747	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
9748	WrappedFunopenCookie *wrapped_cookie = (WrappedFunopenCookie *)cookie;
9749	funopen_closefn real_close = wrapped_cookie->real_close;
9750	int res = real_close(wrapped_cookie->real_cookie);
9751	InternalFree(wrapped_cookie);
9752	return res;
9753	}
9754
9755	INTERCEPTOR(__sanitizer_FILE *, funopen, void *cookie, funopen_readfn readfn,
9756	funopen_writefn writefn, funopen_seekfn seekfn,
9757	funopen_closefn closefn) {
9758	void *ctx;
9759	COMMON_INTERCEPTOR_ENTER(ctx, funopen, cookie, readfn, writefn, seekfn,
9760	closefn);
9761
9762	WrappedFunopenCookie *wrapped_cookie =
9763	(WrappedFunopenCookie *)InternalAlloc(sizeof(WrappedFunopenCookie));
9764	wrapped_cookie->real_cookie = cookie;
9765	wrapped_cookie->real_read = readfn;
9766	wrapped_cookie->real_write = writefn;
9767	wrapped_cookie->real_seek = seekfn;
9768	wrapped_cookie->real_close = closefn;
9769
9770	__sanitizer_FILE *res =
9771	REAL(funopen)(wrapped_cookie,
9772	readfn ? wrapped_funopen_read : nullptr,
9773	writefn ? wrapped_funopen_write : nullptr,
9774	seekfn ? wrapped_funopen_seek : nullptr,
9775	closefn ? wrapped_funopen_close : nullptr);
9776	if (res)
9777	unpoison_file(res);
9778	return res;
9779	}
9780	#define INIT_FUNOPEN COMMON_INTERCEPT_FUNCTION(funopen)
9781	#else
9782	#define INIT_FUNOPEN
9783	#endif
9784
9785	#if SANITIZER_INTERCEPT_FUNOPEN2
9786	typedef SSIZE_T (*funopen2_readfn)(void *cookie, void *buf, SIZE_T len);
9787	typedef SSIZE_T (*funopen2_writefn)(void *cookie, const void *buf, SIZE_T len);
9788	typedef OFF_T (*funopen2_seekfn)(void *cookie, OFF_T offset, int whence);
9789	typedef int (*funopen2_flushfn)(void *cookie);
9790	typedef int (*funopen2_closefn)(void *cookie);
9791
9792	struct WrappedFunopen2Cookie {
9793	void *real_cookie;
9794	funopen2_readfn real_read;
9795	funopen2_writefn real_write;
9796	funopen2_seekfn real_seek;
9797	funopen2_flushfn real_flush;
9798	funopen2_closefn real_close;
9799	};
9800
9801	static SSIZE_T wrapped_funopen2_read(void *cookie, void *buf, SIZE_T len) {
9802	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9803	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9804	funopen2_readfn real_read = wrapped_cookie->real_read;
9805	return real_read(wrapped_cookie->real_cookie, buf, len);
9806	}
9807
9808	static SSIZE_T wrapped_funopen2_write(void *cookie, const void *buf,
9809	SIZE_T len) {
9810	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9811	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9812	funopen2_writefn real_write = wrapped_cookie->real_write;
9813	return real_write(wrapped_cookie->real_cookie, buf, len);
9814	}
9815
9816	static OFF_T wrapped_funopen2_seek(void *cookie, OFF_T offset, int whence) {
9817	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
9818	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9819	funopen2_seekfn real_seek = wrapped_cookie->real_seek;
9820	return real_seek(wrapped_cookie->real_cookie, offset, whence);
9821	}
9822
9823	static int wrapped_funopen2_flush(void *cookie) {
9824	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
9825	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9826	funopen2_flushfn real_flush = wrapped_cookie->real_flush;
9827	return real_flush(wrapped_cookie->real_cookie);
9828	}
9829
9830	static int wrapped_funopen2_close(void *cookie) {
9831	COMMON_INTERCEPTOR_UNPOISON_PARAM(1);
9832	WrappedFunopen2Cookie *wrapped_cookie = (WrappedFunopen2Cookie *)cookie;
9833	funopen2_closefn real_close = wrapped_cookie->real_close;
9834	int res = real_close(wrapped_cookie->real_cookie);
9835	InternalFree(wrapped_cookie);
9836	return res;
9837	}
9838
9839	INTERCEPTOR(__sanitizer_FILE *, funopen2, void *cookie, funopen2_readfn readfn,
9840	funopen2_writefn writefn, funopen2_seekfn seekfn,
9841	funopen2_flushfn flushfn, funopen2_closefn closefn) {
9842	void *ctx;
9843	COMMON_INTERCEPTOR_ENTER(ctx, funopen2, cookie, readfn, writefn, seekfn,
9844	flushfn, closefn);
9845
9846	WrappedFunopen2Cookie *wrapped_cookie =
9847	(WrappedFunopen2Cookie *)InternalAlloc(sizeof(WrappedFunopen2Cookie));
9848	wrapped_cookie->real_cookie = cookie;
9849	wrapped_cookie->real_read = readfn;
9850	wrapped_cookie->real_write = writefn;
9851	wrapped_cookie->real_seek = seekfn;
9852	wrapped_cookie->real_flush = flushfn;
9853	wrapped_cookie->real_close = closefn;
9854
9855	__sanitizer_FILE *res =
9856	REAL(funopen2)(wrapped_cookie,
9857	readfn ? wrapped_funopen2_read : nullptr,
9858	writefn ? wrapped_funopen2_write : nullptr,
9859	seekfn ? wrapped_funopen2_seek : nullptr,
9860	flushfn ? wrapped_funopen2_flush : nullptr,
9861	closefn ? wrapped_funopen2_close : nullptr);
9862	if (res)
9863	unpoison_file(res);
9864	return res;
9865	}
9866	#define INIT_FUNOPEN2 COMMON_INTERCEPT_FUNCTION(funopen2)
9867	#else
9868	#define INIT_FUNOPEN2
9869	#endif
9870
9871	#if SANITIZER_INTERCEPT_FDEVNAME
9872	INTERCEPTOR(char *, fdevname, int fd) {
9873	void *ctx;
9874	COMMON_INTERCEPTOR_ENTER(ctx, fdevname, fd);
9875	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
9876	char *name = REAL(fdevname)(fd);
9877	if (name) {
9878	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
9879	if (fd > 0)
9880	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
9881	}
9882	return name;
9883	}
9884
9885	INTERCEPTOR(char *, fdevname_r, int fd, char *buf, SIZE_T len) {
9886	void *ctx;
9887	COMMON_INTERCEPTOR_ENTER(ctx, fdevname_r, fd, buf, len);
9888	COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd);
9889	char *name = REAL(fdevname_r)(fd, buf, len);
9890	if (name && buf && len > 0) {
9891	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, internal_strlen(buf) + 1);
9892	if (fd > 0)
9893	COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd);
9894	}
9895	return name;
9896	}
9897
9898	#define INIT_FDEVNAME \
9899	COMMON_INTERCEPT_FUNCTION(fdevname); \
9900	COMMON_INTERCEPT_FUNCTION(fdevname_r);
9901	#else
9902	#define INIT_FDEVNAME
9903	#endif
9904
9905	#if SANITIZER_INTERCEPT_GETUSERSHELL
9906	INTERCEPTOR(char *, getusershell,) {
9907	void *ctx;
9908	COMMON_INTERCEPTOR_ENTER(ctx, getusershell,);
9909	char *res = REAL(getusershell)();
9910	if (res)
9911	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
9912	return res;
9913	}
9914
9915	#define INIT_GETUSERSHELL COMMON_INTERCEPT_FUNCTION(getusershell);
9916	#else
9917	#define INIT_GETUSERSHELL
9918	#endif
9919
9920	#if SANITIZER_INTERCEPT_SL_INIT
9921	INTERCEPTOR(void *, sl_init) {
9922	void *ctx;
9923	COMMON_INTERCEPTOR_ENTER(ctx, sl_init);
9924	void *res = REAL(sl_init)();
9925	if (res)
9926	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, __sanitizer::struct_StringList_sz);
9927	return res;
9928	}
9929
9930	INTERCEPTOR(int, sl_add, void *sl, char *item) {
9931	void *ctx;
9932	COMMON_INTERCEPTOR_ENTER(ctx, sl_add, sl, item);
9933	if (sl)
9934	COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9935	if (item)
9936	COMMON_INTERCEPTOR_READ_RANGE(ctx, item, internal_strlen(item) + 1);
9937	int res = REAL(sl_add)(sl, item);
9938	if (!res)
9939	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9940	return res;
9941	}
9942
9943	INTERCEPTOR(char *, sl_find, void *sl, const char *item) {
9944	void *ctx;
9945	COMMON_INTERCEPTOR_ENTER(ctx, sl_find, sl, item);
9946	if (sl)
9947	COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9948	if (item)
9949	COMMON_INTERCEPTOR_READ_RANGE(ctx, item, internal_strlen(item) + 1);
9950	char *res = REAL(sl_find)(sl, item);
9951	if (res)
9952	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, res, internal_strlen(res) + 1);
9953	return res;
9954	}
9955
9956	INTERCEPTOR(void, sl_free, void *sl, int freeall) {
9957	void *ctx;
9958	COMMON_INTERCEPTOR_ENTER(ctx, sl_free, sl, freeall);
9959	if (sl)
9960	COMMON_INTERCEPTOR_READ_RANGE(ctx, sl, __sanitizer::struct_StringList_sz);
9961	REAL(sl_free)(sl, freeall);
9962	}
9963
9964	#define INIT_SL_INIT \
9965	COMMON_INTERCEPT_FUNCTION(sl_init); \
9966	COMMON_INTERCEPT_FUNCTION(sl_add); \
9967	COMMON_INTERCEPT_FUNCTION(sl_find); \
9968	COMMON_INTERCEPT_FUNCTION(sl_free);
9969	#else
9970	#define INIT_SL_INIT
9971	#endif
9972
9973	#if SANITIZER_INTERCEPT_GETRANDOM
9974	INTERCEPTOR(SSIZE_T, getrandom, void *buf, SIZE_T buflen, unsigned int flags) {
9975	void *ctx;
9976	COMMON_INTERCEPTOR_ENTER(ctx, getrandom, buf, buflen, flags);
9977	// If GRND_NONBLOCK is set in the flags, it is non blocking.
9978	static const int grnd_nonblock = 1;
9979	SSIZE_T n;
9980	if ((flags & grnd_nonblock))
9981	n = REAL(getrandom)(buf, buflen, flags);
9982	else
9983	n = COMMON_INTERCEPTOR_BLOCK_REAL(getrandom)(buf, buflen, flags);
9984	if (n > 0) {
9985	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, n);
9986	}
9987	return n;
9988	}
9989	#define INIT_GETRANDOM COMMON_INTERCEPT_FUNCTION(getrandom)
9990	#else
9991	#define INIT_GETRANDOM
9992	#endif
9993
9994	#if SANITIZER_INTERCEPT_GETENTROPY
9995	INTERCEPTOR(int, getentropy, void *buf, SIZE_T buflen) {
9996	void *ctx;
9997	COMMON_INTERCEPTOR_ENTER(ctx, getentropy, buf, buflen);
9998	int r = REAL(getentropy)(buf, buflen);
9999	if (r == 0) {
10000	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, buflen);
10001	}
10002	return r;
10003	}
10004	#define INIT_GETENTROPY COMMON_INTERCEPT_FUNCTION(getentropy)
10005	#else
10006	#define INIT_GETENTROPY
10007	#endif
10008
10009	#if SANITIZER_INTERCEPT_QSORT_R
10010	typedef int (*qsort_r_compar_f)(const void *, const void *, void *);
10011	struct qsort_r_compar_params {
10012	SIZE_T size;
10013	qsort_r_compar_f compar;
10014	void *arg;
10015	};
10016	static int wrapped_qsort_r_compar(const void *a, const void *b, void *arg) {
10017	qsort_r_compar_params *params = (qsort_r_compar_params *)arg;
10018	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
10019	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, params->size);
10020	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, params->size);
10021	return params->compar(a, b, params->arg);
10022	}
10023
10024	INTERCEPTOR(void, qsort_r, void *base, SIZE_T nmemb, SIZE_T size,
10025	qsort_r_compar_f compar, void *arg) {
10026	void *ctx;
10027	COMMON_INTERCEPTOR_ENTER(ctx, qsort_r, base, nmemb, size, compar, arg);
10028	// Run the comparator over all array elements to detect any memory issues.
10029	if (nmemb > 1) {
10030	for (SIZE_T i = 0; i < nmemb - 1; ++i) {
10031	void *p = (void *)((char *)base + i * size);
10032	void *q = (void *)((char *)base + (i + 1) * size);
10033	COMMON_INTERCEPTOR_UNPOISON_PARAM(3);
10034	compar(p, q, arg);
10035	}
10036	}
10037	qsort_r_compar_params params = {.size: size, .compar: compar, .arg: arg};
10038	REAL(qsort_r)(base, nmemb, size, wrapped_qsort_r_compar, &params);
10039	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, base, nmemb * size);
10040	}
10041	# define INIT_QSORT_R COMMON_INTERCEPT_FUNCTION(qsort_r)
10042	#else
10043	# define INIT_QSORT_R
10044	#endif
10045
10046	#if SANITIZER_INTERCEPT_QSORT && SANITIZER_INTERCEPT_QSORT_R
10047	INTERCEPTOR(void, qsort, void *base, SIZE_T nmemb, SIZE_T size,
10048	qsort_r_compar_f compar) {
10049	void *ctx;
10050	COMMON_INTERCEPTOR_ENTER(ctx, qsort, base, nmemb, size, compar);
10051	WRAP(qsort_r)(base, nmemb, size, compar, arg: nullptr);
10052	}
10053	# define INIT_QSORT COMMON_INTERCEPT_FUNCTION(qsort)
10054	#elif SANITIZER_INTERCEPT_QSORT && !SANITIZER_INTERCEPT_QSORT_R
10055	// Glibc qsort uses a temporary buffer allocated either on stack or on heap.
10056	// Poisoned memory from there may get copied into the comparator arguments,
10057	// where it needs to be dealt with. But even that is not enough - the results of
10058	// the sort may be copied into the input/output array based on the results of
10059	// the comparator calls, but directly from the temp memory, bypassing the
10060	// unpoisoning done in wrapped_qsort_compar. We deal with this by, again,
10061	// unpoisoning the entire array after the sort is done.
10062	//
10063	// We can not check that the entire array is initialized at the beginning. IMHO,
10064	// it's fine for parts of the sorted objects to contain uninitialized memory,
10065	// ex. as padding in structs.
10066	typedef int (*qsort_compar_f)(const void *, const void *);
10067	static THREADLOCAL qsort_compar_f qsort_compar;
10068	static THREADLOCAL SIZE_T qsort_size;
10069	static int wrapped_qsort_compar(const void *a, const void *b) {
10070	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
10071	COMMON_INTERCEPTOR_INITIALIZE_RANGE(a, qsort_size);
10072	COMMON_INTERCEPTOR_INITIALIZE_RANGE(b, qsort_size);
10073	return qsort_compar(a, b);
10074	}
10075
10076	INTERCEPTOR(void, qsort, void *base, SIZE_T nmemb, SIZE_T size,
10077	qsort_compar_f compar) {
10078	void *ctx;
10079	COMMON_INTERCEPTOR_ENTER(ctx, qsort, base, nmemb, size, compar);
10080	// Run the comparator over all array elements to detect any memory issues.
10081	if (nmemb > 1) {
10082	for (SIZE_T i = 0; i < nmemb - 1; ++i) {
10083	void *p = (void *)((char *)base + i * size);
10084	void *q = (void *)((char *)base + (i + 1) * size);
10085	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
10086	compar(p, q);
10087	}
10088	}
10089	qsort_compar_f old_compar = qsort_compar;
10090	SIZE_T old_size = qsort_size;
10091	// Handle qsort() implementations that recurse using an
10092	// interposable function call:
10093	bool already_wrapped = compar == wrapped_qsort_compar;
10094	if (already_wrapped) {
10095	// This case should only happen if the qsort() implementation calls itself
10096	// using a preemptible function call (e.g. the FreeBSD libc version).
10097	// Check that the size and comparator arguments are as expected.
10098	CHECK_NE(compar, qsort_compar);
10099	CHECK_EQ(qsort_size, size);
10100	} else {
10101	qsort_compar = compar;
10102	qsort_size = size;
10103	}
10104	REAL(qsort)(base, nmemb, size, wrapped_qsort_compar);
10105	if (!already_wrapped) {
10106	qsort_compar = old_compar;
10107	qsort_size = old_size;
10108	}
10109	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, base, nmemb * size);
10110	}
10111	# define INIT_QSORT COMMON_INTERCEPT_FUNCTION(qsort)
10112	#else
10113	# define INIT_QSORT
10114	#endif
10115
10116	#if SANITIZER_INTERCEPT_BSEARCH
10117	typedef int (*bsearch_compar_f)(const void *, const void *);
10118	struct bsearch_compar_params {
10119	const void *key;
10120	bsearch_compar_f compar;
10121	};
10122
10123	static int wrapped_bsearch_compar(const void *key, const void *b) {
10124	const bsearch_compar_params *params = (const bsearch_compar_params *)key;
10125	COMMON_INTERCEPTOR_UNPOISON_PARAM(2);
10126	return params->compar(params->key, b);
10127	}
10128
10129	INTERCEPTOR(void *, bsearch, const void *key, const void *base, SIZE_T nmemb,
10130	SIZE_T size, bsearch_compar_f compar) {
10131	void *ctx;
10132	COMMON_INTERCEPTOR_ENTER(ctx, bsearch, key, base, nmemb, size, compar);
10133	bsearch_compar_params params = {.key: key, .compar: compar};
10134	return REAL(bsearch)(&params, base, nmemb, size, wrapped_bsearch_compar);
10135	}
10136	# define INIT_BSEARCH COMMON_INTERCEPT_FUNCTION(bsearch)
10137	#else
10138	# define INIT_BSEARCH
10139	#endif
10140
10141	#if SANITIZER_INTERCEPT_SIGALTSTACK
10142	INTERCEPTOR(int, sigaltstack, void *ss, void *oss) {
10143	void *ctx;
10144	COMMON_INTERCEPTOR_ENTER(ctx, sigaltstack, ss, oss);
10145	int r = REAL(sigaltstack)(ss, oss);
10146	if (r == 0 && oss != nullptr) {
10147	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, oss, struct_stack_t_sz);
10148	}
10149	return r;
10150	}
10151	#define INIT_SIGALTSTACK COMMON_INTERCEPT_FUNCTION(sigaltstack)
10152	#else
10153	#define INIT_SIGALTSTACK
10154	#endif
10155
10156	#if SANITIZER_INTERCEPT_PROCCTL
10157	INTERCEPTOR(int, procctl, int idtype, u64 id, int cmd, uptr data) {
10158	void *ctx;
10159	COMMON_INTERCEPTOR_ENTER(ctx, procctl, idtype, id, cmd, data);
10160	static const int PROC_REAP_ACQUIRE = 2;
10161	static const int PROC_REAP_RELEASE = 3;
10162	static const int PROC_REAP_STATUS = 4;
10163	static const int PROC_REAP_GETPIDS = 5;
10164	static const int PROC_REAP_KILL = 6;
10165	if (cmd < PROC_REAP_ACQUIRE || cmd > PROC_REAP_KILL) {
10166	COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)data, sizeof(int));
10167	} else {
10168	// reap_acquire/reap_release bears no arguments.
10169	if (cmd > PROC_REAP_RELEASE) {
10170	unsigned int reapsz;
10171	switch (cmd) {
10172	case PROC_REAP_STATUS:
10173	reapsz = struct_procctl_reaper_status_sz;
10174	break;
10175	case PROC_REAP_GETPIDS:
10176	reapsz = struct_procctl_reaper_pids_sz;
10177	break;
10178	case PROC_REAP_KILL:
10179	reapsz = struct_procctl_reaper_kill_sz;
10180	break;
10181	}
10182	COMMON_INTERCEPTOR_READ_RANGE(ctx, (void *)data, reapsz);
10183	}
10184	}
10185	return REAL(procctl)(idtype, id, cmd, data);
10186	}
10187	#define INIT_PROCCTL COMMON_INTERCEPT_FUNCTION(procctl)
10188	#else
10189	#define INIT_PROCCTL
10190	#endif
10191
10192	#if SANITIZER_INTERCEPT_UNAME
10193	INTERCEPTOR(int, uname, struct utsname *utsname) {
10194	#if SANITIZER_LINUX
10195	if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
10196	return internal_uname(buf: utsname);
10197	#endif
10198	void *ctx;
10199	COMMON_INTERCEPTOR_ENTER(ctx, uname, utsname);
10200	int res = REAL(uname)(utsname);
10201	if (!res)
10202	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, utsname,
10203	__sanitizer::struct_utsname_sz);
10204	return res;
10205	}
10206	#define INIT_UNAME COMMON_INTERCEPT_FUNCTION(uname)
10207	#else
10208	#define INIT_UNAME
10209	#endif
10210
10211	#if SANITIZER_INTERCEPT___XUNAME
10212	// FreeBSD's <sys/utsname.h> define uname() as
10213	// static __inline int uname(struct utsname *name) {
10214	// return __xuname(SYS_NMLN, (void*)name);
10215	// }
10216	INTERCEPTOR(int, __xuname, int size, void *utsname) {
10217	void *ctx;
10218	COMMON_INTERCEPTOR_ENTER(ctx, __xuname, size, utsname);
10219	int res = REAL(__xuname)(size, utsname);
10220	if (!res)
10221	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, utsname,
10222	__sanitizer::struct_utsname_sz);
10223	return res;
10224	}
10225	#define INIT___XUNAME COMMON_INTERCEPT_FUNCTION(__xuname)
10226	#else
10227	#define INIT___XUNAME
10228	#endif
10229
10230	#if SANITIZER_INTERCEPT_ARGP_PARSE
10231	INTERCEPTOR(int, argp_parse, const struct argp *argp, int argc, char **argv,
10232	unsigned flags, int *arg_index, void *input) {
10233	void *ctx;
10234	COMMON_INTERCEPTOR_ENTER(ctx, argp_parse, argp, argc, argv, flags, arg_index,
10235	input);
10236	for (int i = 0; i < argc; i++)
10237	COMMON_INTERCEPTOR_READ_RANGE(ctx, argv[i], internal_strlen(argv[i]) + 1);
10238	int res = REAL(argp_parse)(argp, argc, argv, flags, arg_index, input);
10239	if (!res && arg_index)
10240	COMMON_INTERCEPTOR_WRITE_RANGE(ctx, arg_index, sizeof(int));
10241	return res;
10242	}
10243
10244	#define INIT_ARGP_PARSE COMMON_INTERCEPT_FUNCTION(argp_parse);
10245	#else
10246	#define INIT_ARGP_PARSE
10247	#endif
10248
10249	#if SANITIZER_INTERCEPT_CPUSET_GETAFFINITY
10250	INTERCEPTOR(int, cpuset_getaffinity, int level, int which, __int64_t id, SIZE_T cpusetsize, __sanitizer_cpuset_t *mask) {
10251	void *ctx;
10252	COMMON_INTERCEPTOR_ENTER(ctx, cpuset_getaffinity, level, which, id, cpusetsize, mask);
10253	int res = REAL(cpuset_getaffinity)(level, which, id, cpusetsize, mask);
10254	if (mask && !res) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, mask, cpusetsize);
10255	return res;
10256	}
10257	#define INIT_CPUSET_GETAFFINITY COMMON_INTERCEPT_FUNCTION(cpuset_getaffinity);
10258	#else
10259	#define INIT_CPUSET_GETAFFINITY
10260	#endif
10261
10262	#include "sanitizer_common_interceptors_netbsd_compat.inc"
10263
10264	namespace __sanitizer {
10265	void InitializeMemintrinsicInterceptors();
10266	} // namespace __sanitizer
10267
10268	static void InitializeCommonInterceptors() {
10269	#if SI_POSIX
10270	static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1];
10271	interceptor_metadata_map = new ((void *)&metadata_mem) MetadataHashMap();
10272	#endif
10273
10274	__sanitizer::InitializeMemintrinsicInterceptors();
10275
10276	INIT_MMAP;
10277	INIT_MMAP64;
10278	INIT_TEXTDOMAIN;
10279	INIT_STRLEN;
10280	INIT_STRNLEN;
10281	INIT_STRNDUP;
10282	INIT___STRNDUP;
10283	INIT_STRCMP;
10284	INIT_STRNCMP;
10285	INIT_STRCASECMP;
10286	INIT_STRNCASECMP;
10287	INIT_STRSTR;
10288	INIT_STRCASESTR;
10289	INIT_STRCHR;
10290	INIT_STRCHRNUL;
10291	INIT_STRRCHR;
10292	INIT_STRSPN;
10293	INIT_STRTOK;
10294	INIT_STRPBRK;
10295	INIT_STRXFRM;
10296	INIT___STRXFRM_L;
10297	INIT_MEMCHR;
10298	INIT_MEMCMP;
10299	INIT_BCMP;
10300	INIT_MEMRCHR;
10301	INIT_MEMMEM;
10302	INIT_READ;
10303	INIT_FREAD;
10304	INIT_PREAD;
10305	INIT_PREAD64;
10306	INIT_READV;
10307	INIT_PREADV;
10308	INIT_PREADV64;
10309	INIT_WRITE;
10310	INIT_FWRITE;
10311	INIT_PWRITE;
10312	INIT_PWRITE64;
10313	INIT_WRITEV;
10314	INIT_PWRITEV;
10315	INIT_PWRITEV64;
10316	INIT_FGETS;
10317	INIT_FPUTS;
10318	INIT_PUTS;
10319	INIT_PRCTL;
10320	INIT_LOCALTIME_AND_FRIENDS;
10321	INIT_STRPTIME;
10322	INIT_SCANF;
10323	INIT_ISOC99_SCANF;
10324	INIT_PRINTF;
10325	INIT_PRINTF_L;
10326	INIT_ISOC99_PRINTF;
10327	INIT_FREXP;
10328	INIT_FREXPF_FREXPL;
10329	INIT_GETPWNAM_AND_FRIENDS;
10330	INIT_GETPWNAM_R_AND_FRIENDS;
10331	INIT_GETPWENT;
10332	INIT_FGETPWENT;
10333	INIT_GETPWENT_R;
10334	INIT_FGETPWENT_R;
10335	INIT_FGETGRENT_R;
10336	INIT_SETPWENT;
10337	INIT_CLOCK_GETTIME;
10338	INIT_CLOCK_GETCPUCLOCKID;
10339	INIT_GETITIMER;
10340	INIT_TIME;
10341	INIT_GLOB;
10342	INIT_GLOB64;
10343	INIT___B64_TO;
10344	INIT_DN_COMP_EXPAND;
10345	INIT_POSIX_SPAWN;
10346	INIT_WAIT;
10347	INIT_WAIT4;
10348	INIT_INET;
10349	INIT_PTHREAD_GETSCHEDPARAM;
10350	INIT_GETADDRINFO;
10351	INIT_GETNAMEINFO;
10352	INIT_GETSOCKNAME;
10353	INIT_GETHOSTBYNAME;
10354	INIT_GETHOSTBYNAME2;
10355	INIT_GETHOSTBYNAME_R;
10356	INIT_GETHOSTBYNAME2_R;
10357	INIT_GETHOSTBYADDR_R;
10358	INIT_GETHOSTENT_R;
10359	INIT_GETSOCKOPT;
10360	INIT_ACCEPT;
10361	INIT_ACCEPT4;
10362	INIT_PACCEPT;
10363	INIT_MODF;
10364	INIT_RECVMSG;
10365	INIT_SENDMSG;
10366	INIT_RECVMMSG;
10367	INIT_SENDMMSG;
10368	INIT_SYSMSG;
10369	INIT_GETPEERNAME;
10370	INIT_IOCTL;
10371	INIT_INET_ATON;
10372	INIT_SYSINFO;
10373	INIT_READDIR;
10374	INIT_READDIR64;
10375	INIT_PTRACE;
10376	INIT_SETLOCALE;
10377	INIT_GETCWD;
10378	INIT_GET_CURRENT_DIR_NAME;
10379	INIT_STRTOIMAX;
10380	INIT_STRTOIMAX_C23;
10381	INIT_MBSTOWCS;
10382	INIT_MBSNRTOWCS;
10383	INIT_WCSTOMBS;
10384	INIT_WCSNRTOMBS;
10385	INIT_WCRTOMB;
10386	INIT_WCTOMB;
10387	INIT_TCGETATTR;
10388	INIT_REALPATH;
10389	INIT_CANONICALIZE_FILE_NAME;
10390	INIT_CONFSTR;
10391	INIT_SCHED_GETAFFINITY;
10392	INIT_SCHED_GETPARAM;
10393	INIT_STRERROR;
10394	INIT_STRERROR_R;
10395	INIT_XPG_STRERROR_R;
10396	INIT_SCANDIR;
10397	INIT_SCANDIR64;
10398	INIT_GETGROUPS;
10399	INIT_POLL;
10400	INIT_PPOLL;
10401	INIT_WORDEXP;
10402	INIT_SIGWAIT;
10403	INIT_SIGWAITINFO;
10404	INIT_SIGTIMEDWAIT;
10405	INIT_SIGSETOPS;
10406	INIT_SIGSET_LOGICOPS;
10407	INIT_SIGPENDING;
10408	INIT_SIGPROCMASK;
10409	INIT_PTHREAD_SIGMASK;
10410	INIT_BACKTRACE;
10411	INIT__EXIT;
10412	INIT___LIBC_THR_SETCANCELSTATE;
10413	INIT_GETMNTENT;
10414	INIT_GETMNTENT_R;
10415	INIT_STATFS;
10416	INIT_STATFS64;
10417	INIT_STATVFS;
10418	INIT_STATVFS64;
10419	INIT_INITGROUPS;
10420	INIT_ETHER_NTOA_ATON;
10421	INIT_ETHER_HOST;
10422	INIT_ETHER_R;
10423	INIT_SHMCTL;
10424	INIT_RANDOM_R;
10425	INIT_PTHREAD_ATTR_GET;
10426	INIT_PTHREAD_ATTR_GET_SCHED;
10427	INIT_PTHREAD_ATTR_GETINHERITSCHED;
10428	INIT_PTHREAD_ATTR_GETAFFINITY_NP;
10429	INIT_PTHREAD_GETAFFINITY_NP;
10430	INIT_PTHREAD_MUTEXATTR_GETPSHARED;
10431	INIT_PTHREAD_MUTEXATTR_GETTYPE;
10432	INIT_PTHREAD_MUTEXATTR_GETPROTOCOL;
10433	INIT_PTHREAD_MUTEXATTR_GETPRIOCEILING;
10434	INIT_PTHREAD_MUTEXATTR_GETROBUST;
10435	INIT_PTHREAD_MUTEXATTR_GETROBUST_NP;
10436	INIT_PTHREAD_RWLOCKATTR_GETPSHARED;
10437	INIT_PTHREAD_RWLOCKATTR_GETKIND_NP;
10438	INIT_PTHREAD_CONDATTR_GETPSHARED;
10439	INIT_PTHREAD_CONDATTR_GETCLOCK;
10440	INIT_PTHREAD_BARRIERATTR_GETPSHARED;
10441	INIT_TMPNAM;
10442	INIT_TMPNAM_R;
10443	INIT_PTSNAME;
10444	INIT_PTSNAME_R;
10445	INIT_TTYNAME;
10446	INIT_TTYNAME_R;
10447	INIT_TEMPNAM;
10448	INIT_PTHREAD_SETNAME_NP;
10449	INIT_PTHREAD_GETNAME_NP;
10450	INIT_SINCOS;
10451	INIT_REMQUO;
10452	INIT_REMQUOL;
10453	INIT_LGAMMA;
10454	INIT_LGAMMAL;
10455	INIT_LGAMMA_R;
10456	INIT_LGAMMAL_R;
10457	INIT_DRAND48_R;
10458	INIT_RAND_R;
10459	INIT_GETLINE;
10460	INIT_ICONV;
10461	INIT_TIMES;
10462	INIT_TLS_GET_ADDR;
10463	INIT_LISTXATTR;
10464	INIT_GETXATTR;
10465	INIT_GETRESID;
10466	INIT_GETIFADDRS;
10467	INIT_IF_INDEXTONAME;
10468	INIT_CAPGET;
10469	INIT_FTIME;
10470	INIT_XDR;
10471	INIT_XDRREC_LINUX;
10472	INIT_TSEARCH;
10473	INIT_LIBIO_INTERNALS;
10474	INIT_FOPEN;
10475	INIT_FOPEN64;
10476	INIT_FLOPEN;
10477	INIT_OPEN_MEMSTREAM;
10478	INIT_OBSTACK;
10479	INIT_FFLUSH;
10480	INIT_FCLOSE;
10481	INIT_DLOPEN_DLCLOSE;
10482	INIT_GETPASS;
10483	INIT_TIMERFD;
10484	INIT_MLOCKX;
10485	INIT_FOPENCOOKIE;
10486	INIT_SEM;
10487	INIT_PTHREAD_SETCANCEL;
10488	INIT_MINCORE;
10489	INIT_PROCESS_VM_READV;
10490	INIT_CTERMID;
10491	INIT_CTERMID_R;
10492	INIT_RECV_RECVFROM;
10493	INIT_SEND_SENDTO;
10494	INIT_STAT;
10495	INIT_STAT64;
10496	INIT_EVENTFD_READ_WRITE;
10497	INIT_LSTAT;
10498	INIT_LSTAT64;
10499	INIT___XSTAT;
10500	INIT___XSTAT64;
10501	INIT___LXSTAT;
10502	INIT___LXSTAT64;
10503	// FIXME: add other *stat interceptors.
10504	INIT_UTMP;
10505	INIT_UTMPX;
10506	INIT_GETLOADAVG;
10507	INIT_WCSLEN;
10508	INIT_WCSCAT;
10509	INIT_WCSDUP;
10510	INIT_WCSXFRM;
10511	INIT___WCSXFRM_L;
10512	INIT_ACCT;
10513	INIT_USER_FROM_UID;
10514	INIT_UID_FROM_USER;
10515	INIT_GROUP_FROM_GID;
10516	INIT_GID_FROM_GROUP;
10517	INIT_ACCESS;
10518	INIT_FACCESSAT;
10519	INIT_GETGROUPLIST;
10520	INIT_GETGROUPMEMBERSHIP;
10521	INIT_READLINK;
10522	INIT_READLINKAT;
10523	INIT_NAME_TO_HANDLE_AT;
10524	INIT_OPEN_BY_HANDLE_AT;
10525	INIT_STRLCPY;
10526	INIT_DEVNAME;
10527	INIT_DEVNAME_R;
10528	INIT_FGETLN;
10529	INIT_STRMODE;
10530	INIT_TTYENT;
10531	INIT_PROTOENT;
10532	INIT_PROTOENT_R;
10533	INIT_NETENT;
10534	INIT_GETMNTINFO;
10535	INIT_MI_VECTOR_HASH;
10536	INIT_SETVBUF;
10537	INIT_GETVFSSTAT;
10538	INIT_REGEX;
10539	INIT_REGEXSUB;
10540	INIT_FTS;
10541	INIT_SYSCTL;
10542	INIT_ASYSCTL;
10543	INIT_SYSCTLGETMIBINFO;
10544	INIT_NL_LANGINFO;
10545	INIT_MODCTL;
10546	INIT_STRTONUM;
10547	INIT_FPARSELN;
10548	INIT_STATVFS1;
10549	INIT_STRTOI;
10550	INIT_CAPSICUM;
10551	INIT_SHA1;
10552	INIT_MD4;
10553	INIT_RMD160;
10554	INIT_MD5;
10555	INIT_FSEEK;
10556	INIT_MD2;
10557	INIT_SHA2;
10558	INIT_VIS;
10559	INIT_CDB;
10560	INIT_GETFSENT;
10561	INIT_ARC4RANDOM;
10562	INIT_POPEN;
10563	INIT_POPENVE;
10564	INIT_PCLOSE;
10565	INIT_FUNOPEN;
10566	INIT_FUNOPEN2;
10567	INIT_FDEVNAME;
10568	INIT_GETUSERSHELL;
10569	INIT_SL_INIT;
10570	INIT_GETRANDOM;
10571	INIT_GETENTROPY;
10572	INIT_QSORT;
10573	INIT_QSORT_R;
10574	INIT_BSEARCH;
10575	INIT_SIGALTSTACK;
10576	INIT_PROCCTL
10577	INIT_UNAME;
10578	INIT___XUNAME;
10579	INIT_ARGP_PARSE;
10580	INIT_CPUSET_GETAFFINITY;
10581
10582	INIT___PRINTF_CHK;
10583	}
10584