1 // RUN: %clang_cl_asan %Od %s %Fe%t 2 // RUN: not %run %t 2>&1 | FileCheck %s 3 4 #include <malloc.h> 5 6 int 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 region 14 // 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