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 // sandbox-exec isn't available on iOS
9 // UNSUPPORTED: ios
10
11 #include <stdlib.h>
12
13 class MyClass {
14 public:
my_function(int n)15 int my_function(int n) {
16 char *x = (char*)malloc(n * sizeof(char));
17 free(x);
18 return x[5];
19 // CHECK-DLADDR: Using dladdr symbolizer
20 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
21 // CHECK: {{READ of size 1 at 0x.* thread T0}}
22 // CHECK-DLADDR: failed to spawn external symbolizer
23 // CHECK: {{ #0 0x.* in MyClass::my_function\(int\)}}
24 // CHECK: {{freed by thread T0 here:}}
25 // CHECK: {{ #0 0x.* in wrap_free}}
26 // CHECK: {{ #1 0x.* in MyClass::my_function\(int\)}}
27 // CHECK: {{previously allocated by thread T0 here:}}
28 // CHECK: {{ #0 0x.* in wrap_malloc}}
29 // CHECK: {{ #1 0x.* in MyClass::my_function\(int\)}}
30 }
31 };
32
main()33 int main() {
34 MyClass o;
35 return o.my_function(10);
36 }
37