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 process-exec (literal "/usr/bin/atos"))' %t 2>&1 | FileCheck %s
9// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
10// RUN: env ASAN_SYMBOLIZER_PATH="" not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
11// RUN: %clangxx_asan -O3 %s -o %t
12// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s
13// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny process-exec (literal "/usr/bin/atos"))' %t 2>&1 | FileCheck %s
14// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
15// RUN: env ASAN_SYMBOLIZER_PATH="" not %run sandbox-exec -p '(version 1)(allow default)(deny mach-priv-task-port)' %t 2>&1 | FileCheck %s
16
17// sandbox-exec isn't available on iOS
18// UNSUPPORTED: ios
19
20#include <stdlib.h>
21int main() {
22 char *x = (char*)malloc(size: 10 * sizeof(char));
23 free(ptr: x);
24 return x[5];
25 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
26 // CHECK: {{READ of size 1 at 0x.* thread T0}}
27 // CHECK: {{ #0 0x.* in main}}
28 // CHECK: {{freed by thread T0 here:}}
29 // CHECK: {{ #0 0x.* in free}}
30 // CHECK: {{ #1 0x.* in main}}
31 // CHECK: {{previously allocated by thread T0 here:}}
32 // CHECK: {{ #0 0x.* in malloc}}
33 // CHECK: {{ #1 0x.* in main}}
34}
35

source code of compiler-rt/test/asan/TestCases/Darwin/sandbox-symbolizer.cpp