| // RUN: %clang_asan -O0 %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| // Since ASan is built with -fomit-frame-pointer, backtrace is not able to |
| // symbolicate the trace past ASan runtime on i386. (This is fixed in |
| // latest OS X.) |
| // REQUIRES: asan-64-bits |
| |
| #include <execinfo.h> |
| #include <sanitizer/common_interface_defs.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| void death_function() { |
| fprintf(stderr, "DEATH CALLBACK\n"); |
| |
| void* callstack[128]; |
| int i, frames = backtrace(callstack, 128); |
| char** strs = backtrace_symbols(callstack, frames); |
| for (i = 0; i < frames; ++i) { |
| fprintf(stderr, "%s\n", strs[i]); |
| } |
| free(strs); |
| |
| fprintf(stderr, "END OF BACKTRACE\n"); |
| } |
| |
| int fault_function() { |
| char *x = (char*)malloc(10 * sizeof(char)); |
| free(x); |
| return x[5]; // BOOM |
| } |
| |
| int main() { |
| __sanitizer_set_death_callback(death_function); |
| fault_function(); |
| return 0; |
| } |
| |
| // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} |
| // CHECK: {{READ of size 1 at 0x.* thread T0}} |
| // CHECK: {{ #0 0x.* in fault_function}} |
| |
| // CHECK: DEATH CALLBACK |
| // CHECK: death_function |
| // CHECK: fault_function |
| // CHECK: main |
| // CHECK: END OF BACKTRACE |
