22 lines · cpp
1// RUN: %clang_cl_asan %Od %s %Fe%t2// RUN: not %run %t 2>&1 | FileCheck %s3 4#include <malloc.h>5 6int main() {7 int *x = (int*)malloc(42 * sizeof(int));8 free(x);9 free(x);10 // CHECK: AddressSanitizer: attempting double-free on [[ADDR:0x[0-9a-f]+]]11 // CHECK-NEXT: {{#0 .* free }}12 // CHECK: {{ #[1-3] .* main .*double_free.cpp}}:[[@LINE-3]]13 // CHECK: [[ADDR]] is located 0 bytes inside of 168-byte region14 // CHECK-LABEL: freed by thread T0 here:15 // CHECK-NEXT: {{#0 .* free }}16 // CHECK: {{ #[1-3] .* main .*double_free.cpp}}:[[@LINE-8]]17 // CHECK-LABEL: previously allocated by thread T0 here:18 // CHECK-NEXT: {{#0 .* malloc }}19 // CHECK: {{ #[1-3] .* main .*double_free.cpp}}:[[@LINE-12]]20 return 0;21}22