lib/asan/lit_tests/TestCases/asan-symbolize-sanity-test.cc

// Check that asan_symbolize.py script works (for binaries, ASan RTL and
// shared object files.

// RUN: %clangxx_asan -O0 %p/SharedLibs/shared-lib-test-so.cc -fPIC -shared -o %t-so.so
// RUN: %clangxx_asan -O0 %s -o %t
// RUN: ASAN_SYMBOLIZER_PATH= not %t 2>&1 | %asan_symbolize | FileCheck %s
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>

#include <string>

using std::string;

typedef void (fun_t)(int*, int);

int main(int argc, char *argv[]) {
  string path = string(argv[0]) + "-so.so";
  printf("opening %s ... \n", path.c_str());
  void *lib = dlopen(path.c_str(), RTLD_NOW);
  if (!lib) {
    printf("error in dlopen(): %s\n", dlerror());
    return 1;
  }
  fun_t *inc2 = (fun_t*)dlsym(lib, "inc2");
  if (!inc2) return 1;
  printf("ok\n");
  int *array = (int*)malloc(40);
  inc2(array, 1);
  inc2(array, -1);  // BOOM
  // CHECK: ERROR: AddressSanitizer: heap-buffer-overflow
  // CHECK: READ of size 4 at 0x{{.*}}
  // CHECK: #0 {{.*}} in inc2 {{.*}}shared-lib-test-so.cc:25
  // CHECK: #1 {{.*}} in main {{.*}}asan-symbolize-sanity-test.cc:[[@LINE-4]]
  // CHECK: allocated by thread T{{.*}} here:
  // CHECK: #{{.*}} in {{(wrap_|__interceptor_)?}}malloc
  // CHECK: #{{.*}} in main {{.*}}asan-symbolize-sanity-test.cc:[[@LINE-9]]
  return 0;
}