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 // XFAIL: i386-netbsd
9 
10 #include <stdio.h>
11 #include <string.h>
12 
13 #if defined(SHARED_LIB)
14 extern "C"
15 void my_memset(void *p, size_t sz) {
16   memset(p, 0, sz);
17 }
18 #else
19 extern "C" void my_memset(void *p, size_t sz);
20 
21 int main(int argc, char *argv[]) {
22   char buf[10];
23   my_memset(buf, 11);
24   // CHECK: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}}
25   // CHECK: {{WRITE of size 11 at 0x.* thread T0}}
26   // CHECK: {{0x.* in my_memset .*interception-in-shared-lib-test.cpp:}}[[@LINE-10]]
27   return 0;
28 }
29 #endif
30