| Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 1 | // RUN: %clang_cl_asan -O0 %s -Fe%t |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 2 | // RUN: not %run %t 2>&1 | FileCheck %s |
| 3 | |
| 4 | #include <stdio.h> |
| 5 | #include <string.h> |
| 6 | #include <malloc.h> |
| 7 | |
| 8 | int main() { |
| 9 | char *ptr = _strdup("Hello"); |
| 10 | int subscript = 1; |
| 11 | ptr[subscript] = '3'; |
| 12 | printf("%s\n", ptr); |
| 13 | fflush(0); |
| 14 | // CHECK: H3llo |
| 15 | |
| 16 | subscript = -1; |
| 17 | ptr[subscript] = 42; |
| 18 | // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
| 19 | // CHECK: WRITE of size 1 at [[ADDR]] thread T0 |
| 20 | // CHECK: {{#0 .* main .*}}intercept_strdup.cc:[[@LINE-3]] |
| 21 | // CHECK: [[ADDR]] is located 1 bytes to the left of 6-byte region |
| 22 | // CHECK: allocated by thread T0 here: |
| 23 | // CHECK: {{#0 .* malloc }} |
| Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 24 | // CHECK: {{#1 .*strdup}} |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 25 | // CHECK: {{#2 .* main .*}}intercept_strdup.cc:[[@LINE-16]] |
| 26 | free(ptr); |
| 27 | } |