1// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
2// XFAIL: android
3//
4// RUN: rm -rf %t-dir
5// RUN: mkdir -p %t-dir
6// RUN: %clangxx_asan -DSHARED %s -shared -o %t-dir/stack_trace_dlclose.so -fPIC
7// RUN: %clangxx_asan -DSO_DIR=\"%t-dir\" %s %libdl -o %t
8// RUN: %env_asan_opts=exitcode=0 %run %t 2>&1 | FileCheck %s
9// REQUIRES: stable-runtime
10
11#include <assert.h>
12#include <dlfcn.h>
13#include <stdlib.h>
14#include <stdio.h>
15#include <unistd.h>
16
17#include <sanitizer/common_interface_defs.h>
18
19#ifdef SHARED
20extern "C" {
21void *foo() {
22 return malloc(1);
23}
24}
25#else
26void *handle;
27
28int main(int argc, char **argv) {
29 void *handle = dlopen(SO_DIR "/stack_trace_dlclose.so", RTLD_LAZY);
30 assert(handle);
31 void *(*foo)() = (void *(*)())dlsym(handle: handle, name: "foo");
32 assert(foo);
33 void *p = foo();
34 assert(p);
35 dlclose(handle: handle);
36
37 free(ptr: p);
38 free(ptr: p); // double-free
39
40 return 0;
41}
42#endif
43
44// CHECK: {{ #0 0x.* in (__interceptor_)?malloc}}
45// CHECK: {{ #1 0x.* \(<unknown module>\)}}
46// CHECK: {{ #2 0x.* in main}}
47

source code of compiler-rt/test/asan/TestCases/Linux/stack-trace-dlclose.cpp