sandbox-symbolizer.cc revision 7c9150579ed0278492f51cc8434b1d63a44b9bd1 
1// In a non-forking sandbox, we can't spawn an external symbolizer, but dladdr()
2// should still work and provide function names. No line numbers though.
3// Second, `atos` symbolizer can't inspect a process that has an inaccessible
4// task port, in which case we should again fallback to dladdr gracefully.
5
6// RUN: %clangxx_asan -O0 %s -o %t
7// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s
8// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
9// RUN: ASAN_SYMBOLIZER_PATH="" not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
10// RUN: %clangxx_asan -O3 %s -o %t
11// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s
12// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
13// RUN: ASAN_SYMBOLIZER_PATH="" not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
14
15#include <stdlib.h>
16int main() {
17  char *x = (char*)malloc(10 * sizeof(char));
18  free(x);
19  return x[5];
20  // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
21  // CHECK: {{READ of size 1 at 0x.* thread T0}}
22  // CHECK: {{    #0 0x.* in main}}
23  // CHECK: {{freed by thread T0 here:}}
24  // CHECK: {{    #0 0x.* in wrap_free}}
25  // CHECK: {{    #1 0x.* in main}}
26  // CHECK: {{previously allocated by thread T0 here:}}
27  // CHECK: {{    #0 0x.* in wrap_malloc}}
28  // CHECK: {{    #1 0x.* in main}}
29}
30