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,windows-msvc
11 // UNSUPPORTED: ios
12
13 // FIXME: atos does not work for inlined functions, yet llvm-symbolizer
14 // does not always work with debug info on Darwin.
15 // UNSUPPORTED: darwin
16
17 #include <stdio.h>
18 #include <stdlib.h>
19 #include <string.h>
20
crash_function()21 void crash_function() {
22 char *a = (char *)malloc(6);
23 free(a);
24 size_t len = strlen(a); // BOOM
25 fprintf(stderr, "strlen ignored, len = %zu\n", len);
26 }
27
main()28 int main() {
29 crash_function();
30 }
31
32 // CHECK-CRASH: AddressSanitizer: heap-use-after-free
33 // CHECK-CRASH-NOT: strlen ignored
34 // CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free
35 // CHECK-IGNORE: strlen ignored
36