Home | History | Annotate | Download | only in Linux
      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
     19 extern "C" {
     20 void *foo() {
     21   return malloc(1);
     22 }
     23 }
     24 #else
     25 void *handle;
     26 
     27 int 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