1// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
2// XFAIL: android
3//
4// RUN: %clangxx_asan -DSHARED %s -shared -o %T/stack_trace_dlclose.so -fPIC
5// RUN: %clangxx_asan -DSO_DIR=\"%T\" %s %libdl -o %t
6// RUN: %env_asan_opts=exitcode=0 %run %t 2>&1 | FileCheck %s
7// XFAIL: arm-linux-gnueabi
8// XFAIL: armv7l-unknown-linux-gnueabihf
9
10#include <assert.h>
11#include <dlfcn.h>
12#include <stdlib.h>
13#include <stdio.h>
14#include <unistd.h>
15
16#include <sanitizer/common_interface_defs.h>
17
18#ifdef SHARED
19extern "C" {
20void *foo() {
21  return malloc(1);
22}
23}
24#else
25void *handle;
26
27int main(int argc, char **argv) {
28  void *handle = dlopen(SO_DIR "/stack_trace_dlclose.so", RTLD_LAZY);
29  assert(handle);
30  void *(*foo)() = (void *(*)())dlsym(handle, "foo");
31  assert(foo);
32  void *p = foo();
33  assert(p);
34  dlclose(handle);
35
36  free(p);
37  free(p);  // double-free
38
39  return 0;
40}
41#endif
42
43// CHECK: {{    #0 0x.* in (__interceptor_)?malloc}}
44// CHECK: {{    #1 0x.* \(<unknown module>\)}}
45// CHECK: {{    #2 0x.* in main}}
46