1 // Check that memset() call from a shared library gets intercepted. 2 // Please always keep this file in sync with 3 // ../Darwin/interception-in-shared-lib-test.cc. 4 5 // RUN: %clangxx_asan -O0 %s -DSHARED_LIB \ 6 // RUN: -shared -o %T/libinterception-in-shared-lib-test.so \ 7 // RUN: -fPIC 8 // TODO(glider): figure out how to set rpath in a more portable way and unite 9 // this test with ../Darwin/interception-in-shared-lib-test.cc. 10 // RUN: %clangxx_asan -O0 %s -o %t -Wl,-R,\$ORIGIN -L%T -linterception-in-shared-lib-test && \ 11 // RUN: not %run %t 2>&1 | FileCheck %s 12 13 #include <stdio.h> 14 #include <string.h> 15 16 #if defined(SHARED_LIB) 17 extern "C" 18 void my_memset(void *p, size_t sz) { 19 memset(p, 0, sz); 20 } 21 #else 22 extern "C" void my_memset(void *p, size_t sz); 23 24 int main(int argc, char *argv[]) { 25 char buf[10]; 26 my_memset(buf, 11); 27 // CHECK: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}} 28 // CHECK: {{WRITE of size 11 at 0x.* thread T0}} 29 // CHECK: {{0x.* in my_memset .*interception-in-shared-lib-test.cc:19}} 30 return 0; 31 } 32 #endif 33