Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1 | // RUN: %clang_asan -O0 %s -o %t |
| 2 | // RUN: not %run %t 2>&1 | FileCheck %s |
| 3 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 4 | // Since ASan is built with -fomit-frame-pointer, backtrace is not able to |
| 5 | // symbolicate the trace past ASan runtime on i386. (This is fixed in |
| 6 | // latest OS X.) |
| 7 | // REQUIRES: asan-64-bits |
| 8 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 9 | #include <execinfo.h> |
| 10 | #include <sanitizer/common_interface_defs.h> |
| 11 | #include <stdio.h> |
| 12 | #include <stdlib.h> |
| 13 | |
| 14 | void death_function() { |
| 15 | fprintf(stderr, "DEATH CALLBACK\n"); |
| 16 | |
| 17 | void* callstack[128]; |
| 18 | int i, frames = backtrace(callstack, 128); |
| 19 | char** strs = backtrace_symbols(callstack, frames); |
| 20 | for (i = 0; i < frames; ++i) { |
| 21 | fprintf(stderr, "%s\n", strs[i]); |
| 22 | } |
| 23 | free(strs); |
| 24 | |
| 25 | fprintf(stderr, "END OF BACKTRACE\n"); |
| 26 | } |
| 27 | |
| 28 | int fault_function() { |
| 29 | char *x = (char*)malloc(10 * sizeof(char)); |
| 30 | free(x); |
| 31 | return x[5]; // BOOM |
| 32 | } |
| 33 | |
| 34 | int main() { |
| 35 | __sanitizer_set_death_callback(death_function); |
| 36 | fault_function(); |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} |
| 41 | // CHECK: {{READ of size 1 at 0x.* thread T0}} |
| 42 | // CHECK: {{ #0 0x.* in fault_function}} |
| 43 | |
| 44 | // CHECK: DEATH CALLBACK |
| 45 | // CHECK: death_function |
| 46 | // CHECK: fault_function |
| 47 | // CHECK: main |
| 48 | // CHECK: END OF BACKTRACE |