1// In a non-forking sandbox, we fallback to dladdr(). Test that we provide
2// properly demangled C++ names in that case.
3
4// RUN: %clangxx_asan -O0 %s -o %t
5// RUN: not %run %t 2>&1 | FileCheck %s
6// RUN: %env_asan_opts=verbosity=2 not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DLADDR
7
8#include <stdlib.h>
9
10class MyClass {
11 public:
12  int my_function(int n) {
13    char *x = (char*)malloc(n * sizeof(char));
14    free(x);
15    return x[5];
16    // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
17    // CHECK: {{READ of size 1 at 0x.* thread T0}}
18    // CHECK-DLADDR: Using dladdr symbolizer
19    // CHECK-DLADDR: failed to fork external symbolizer
20    // CHECK: {{    #0 0x.* in MyClass::my_function\(int\)}}
21    // CHECK: {{freed by thread T0 here:}}
22    // CHECK: {{    #0 0x.* in wrap_free}}
23    // CHECK: {{    #1 0x.* in MyClass::my_function\(int\)}}
24    // CHECK: {{previously allocated by thread T0 here:}}
25    // CHECK: {{    #0 0x.* in wrap_malloc}}
26    // CHECK: {{    #1 0x.* in MyClass::my_function\(int\)}}
27  }
28};
29
30int main() {
31  MyClass o;
32  return o.my_function(10);
33}
34