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