1// RUN: %clang_cl_asan %Od %s %Fe%t
2// RUN: not %run %t 2>&1 | FileCheck %s
3
4#include <malloc.h>
5
6int main() {
7 int *x = (int*)malloc(size: 42 * sizeof(int));
8 free(ptr: x);
9 free(ptr: x);
10 // CHECK: AddressSanitizer: attempting double-free on [[ADDR:0x[0-9a-f]+]]
11 // CHECK-NEXT: {{#0 .* free }}
12 // CHECK: {{ #[1-2] .* main .*double_free.cpp}}:[[@LINE-3]]
13 // CHECK: [[ADDR]] is located 0 bytes inside of 168-byte region
14 // CHECK-LABEL: freed by thread T0 here:
15 // CHECK-NEXT: {{#0 .* free }}
16 // CHECK: {{ #[1-2] .* main .*double_free.cpp}}:[[@LINE-8]]
17 // CHECK-LABEL: previously allocated by thread T0 here:
18 // CHECK-NEXT: {{#0 .* malloc }}
19 // CHECK: {{ #[1-2] .* main .*double_free.cpp}}:[[@LINE-12]]
20 return 0;
21}
22

source code of compiler-rt/test/asan/TestCases/Windows/double_free.cpp