stack-trace-dlclose.cpp
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// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
// XFAIL: android
//
// RUN: rm -rf %t-dir
// RUN: mkdir -p %t-dir
// RUN: %clangxx_asan -DSHARED %s -shared -o %t-dir/stack_trace_dlclose.so -fPIC
// RUN: %clangxx_asan -DSO_DIR=\"%t-dir\" %s %libdl -o %t
// RUN: %env_asan_opts=exitcode=0 %run %t 2>&1 | FileCheck %s
// REQUIRES: stable-runtime
#include <assert.h>
#include <dlfcn.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sanitizer/common_interface_defs.h>
#ifdef SHARED
extern "C" {
void *foo() {
return malloc(1);
}
}
#else
void *handle;
int main(int argc, char **argv) {
void *handle = dlopen(SO_DIR "/stack_trace_dlclose.so", RTLD_LAZY);
assert(handle);
void *(*foo)() = (void *(*)())dlsym(handle, "foo");
assert(foo);
void *p = foo();
assert(p);
dlclose(handle);
free(p);
free(p); // double-free
return 0;
}
#endif
// CHECK: {{ #0 0x.* in (__interceptor_)?malloc}}
// CHECK: {{ #1 0x.* \(<unknown module>\)}}
// CHECK: {{ #2 0x.* in main}}