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_via_fun:crash_function" > %t.supp
6// RUN: %clangxx_asan -O0 %s -o %t && %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s
7// RUN: %clangxx_asan -O3 %s -o %t && %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s
8
9// FIXME: Windows symbolizer needs work to make this pass.
10// XFAIL: android,win32
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15
16void crash_function() {
17  char *a = (char *)malloc(6);
18  free(a);
19  size_t len = strlen(a); // BOOM
20  fprintf(stderr, "strlen ignored, len = %zu\n", len);
21}
22
23int main() {
24  crash_function();
25}
26
27// CHECK-CRASH: AddressSanitizer: heap-use-after-free
28// CHECK-CRASH-NOT: strlen ignored
29// CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free
30// CHECK-IGNORE: strlen ignored
31