1 | // Check that without suppressions, we catch the issue. |
2 | // RUN: %clangxx_asan -O0 %s -o %t |
3 | // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s |
4 | |
5 | // RUN: echo "interceptor_name:strlen" > %t.supp |
6 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s |
7 | |
8 | // XFAIL: android |
9 | |
10 | #include <stdio.h> |
11 | #include <stdlib.h> |
12 | #include <string.h> |
13 | |
14 | int main() { |
15 | char *a = (char *)malloc(size: 6); |
16 | free(ptr: a); |
17 | size_t len = strlen(s: a); // BOOM |
18 | fprintf(stderr, format: "strlen ignored, len = %zu\n" , len); |
19 | } |
20 | |
21 | // CHECK-CRASH: AddressSanitizer: heap-use-after-free |
22 | // CHECK-CRASH-NOT: strlen ignored |
23 | // CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free |
24 | // CHECK-IGNORE: strlen ignored |
25 | |