1// RUN: %clangxx_asan -O0 -DSHARED_LIB %s %fPIC -shared -o %dynamiclib %ld_flags_rpath_so
2// RUN: %clangxx_asan -O0 %s -o %t %ld_flags_rpath_exe
3
4// Check that without suppressions, we catch the issue.
5// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s
6
7// REQUIRES: shell
8
9// RUN: echo "interceptor_via_lib:"%xdynamiclib_filename > %t.supp
10// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s
11
12// XFAIL: android
13
14#include <stdio.h>
15#include <stdlib.h>
16#include <string.h>
17
18#if !defined(SHARED_LIB)
19
20void crash_function();
21
22int main(int argc, char *argv[]) {
23 crash_function();
24 return 0;
25}
26
27#else // SHARED_LIB
28
29void crash_function() {
30 char *a = (char *)malloc(6);
31 free(a);
32 size_t len = strlen(a); // BOOM
33 fprintf(stderr, "strlen ignored, %zu\n", len);
34}
35
36#endif // SHARED_LIB
37
38// CHECK-CRASH: AddressSanitizer: heap-use-after-free
39// CHECK-CRASH-NOT: strlen ignored
40// CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free
41// CHECK-IGNORE: strlen ignored
42

source code of compiler-rt/test/asan/TestCases/suppressions-library.cpp