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
main()14 int main() {
15 char *a = (char *)malloc(6);
16 free(a);
17 size_t len = strlen(a); // BOOM
18 fprintf(stderr, "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