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

   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
  20 extern "C" {
  21 void *foo() {
  22   return malloc(1);
  23 }
  24 }
  25 #else
  26 void *handle;
  27
  28 int 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, "foo");
  32   assert(foo);
  33   void *p = foo();
  34   assert(p);
  35   dlclose(handle);
  36
  37   free(p);
  38   free(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}}