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
crash_function()16 void 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
main()23 int 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