| Pirama Arumuga Nainar | cdce50b | 2015-07-01 12:26:56 -0700 | [diff] [blame] | 1 | // Test haystack overflow in strcasestr function |
| 2 | // RUN: %clang_asan %s -o %t && ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t 2>&1 | FileCheck %s |
| 3 | |
| 4 | // Test intercept_strstr asan option |
| 5 | // Disable other interceptors because strlen may be called inside strcasestr |
| 6 | // RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:intercept_strstr=false:replace_str=false %run %t 2>&1 |
| 7 | |
| 8 | // There's no interceptor for strcasestr on Windows |
| 9 | // XFAIL: win32 |
| 10 | |
| 11 | #define _GNU_SOURCE |
| 12 | #include <assert.h> |
| 13 | #include <string.h> |
| 14 | |
| 15 | int main(int argc, char **argv) { |
| 16 | char *r = 0; |
| 17 | char s2[] = "c"; |
| 18 | char s1[] = {'a', 'C'}; |
| 19 | char s3 = 0; |
| 20 | r = strcasestr(s1, s2); |
| 21 | // CHECK:'s{{[1|3]}}' <== Memory access at offset {{[0-9]+ .*}}flows this variable |
| 22 | assert(r == s1 + 1); |
| 23 | return 0; |
| 24 | } |