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) 12 extern "C" my_memset(void * p,size_t sz)13void my_memset(void *p, size_t sz) { 14 memset(p, 0, sz); 15 } 16 #else 17 extern "C" void my_memset(void *p, size_t sz); 18 main(int argc,char * argv[])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