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