1// Check that memset() call from a shared library gets intercepted.
2
3// RUN: %clangxx_asan -O0 %s -DSHARED_LIB \
4// RUN:     -shared -o %dynamiclib -fPIC %ld_flags_rpath_so
5// RUN: %clangxx_asan -O0 %s -o %t %ld_flags_rpath_exe && \
6// RUN:     not %run %t 2>&1 | FileCheck %s
7
8#include <stdio.h>
9#include <string.h>
10
11#if defined(SHARED_LIB)
12extern "C"
13void my_memset(void *p, size_t sz) {
14  memset(p, 0, sz);
15}
16#else
17extern "C" void my_memset(void *p, size_t sz);
18
19int main(int argc, char *argv[]) {
20  char buf[10];
21  my_memset(buf, 11);
22  // CHECK: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}}
23  // CHECK: {{WRITE of size 11 at 0x.* thread T0}}
24  // CHECK: {{0x.* in my_memset .*interception-in-shared-lib-test.cc:}}[[@LINE-10]]
25  return 0;
26}
27#endif
28