Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1 | // Checks that the ASan debugging API for getting report information |
| 2 | // returns correct values. |
| 3 | // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 4 | |
| 5 | #include <sanitizer/asan_interface.h> |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | |
| 9 | int main() { |
| 10 | char *heap_ptr = (char *)malloc(10); |
| 11 | free(heap_ptr); |
| 12 | int present = __asan_report_present(); |
| 13 | fprintf(stderr, "%s\n", (present == 0) ? "no report" : ""); |
| 14 | // CHECK: no report |
| 15 | heap_ptr[0] = 'A'; // BOOM |
| 16 | return 0; |
| 17 | } |
| 18 | |
| 19 | void __asan_on_error() { |
| 20 | int present = __asan_report_present(); |
| 21 | void *pc = __asan_get_report_pc(); |
| 22 | void *bp = __asan_get_report_bp(); |
| 23 | void *sp = __asan_get_report_sp(); |
| 24 | void *addr = __asan_get_report_address(); |
| 25 | int is_write = __asan_get_report_access_type(); |
| 26 | size_t access_size = __asan_get_report_access_size(); |
| 27 | const char *description = __asan_get_report_description(); |
| 28 | |
| 29 | fprintf(stderr, "%s\n", (present == 1) ? "report" : ""); |
| 30 | // CHECK: report |
| 31 | fprintf(stderr, "pc: %p\n", pc); |
| 32 | // CHECK: pc: 0x[[PC:[0-9a-f]+]] |
| 33 | fprintf(stderr, "bp: %p\n", bp); |
| 34 | // CHECK: bp: 0x[[BP:[0-9a-f]+]] |
| 35 | fprintf(stderr, "sp: %p\n", sp); |
| 36 | // CHECK: sp: 0x[[SP:[0-9a-f]+]] |
| 37 | fprintf(stderr, "addr: %p\n", addr); |
| 38 | // CHECK: addr: 0x[[ADDR:[0-9a-f]+]] |
| 39 | fprintf(stderr, "type: %s\n", (is_write ? "write" : "read")); |
| 40 | // CHECK: type: write |
| 41 | fprintf(stderr, "access_size: %ld\n", access_size); |
| 42 | // CHECK: access_size: 1 |
| 43 | fprintf(stderr, "description: %s\n", description); |
| 44 | // CHECK: description: heap-use-after-free |
| 45 | } |
| 46 | |
| 47 | // CHECK: AddressSanitizer: heap-use-after-free on address {{0x0*}}[[ADDR]] at pc {{0x0*}}[[PC]] bp {{0x0*}}[[BP]] sp {{0x0*}}[[SP]] |
| 48 | // CHECK: WRITE of size 1 at {{0x0*}}[[ADDR]] thread T0 |