| // RUN: %clang_cl_asan -Od %s -Fe%t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| #include <malloc.h> |
| |
| int main() { |
| char *buffer = (char*)malloc(42); |
| free(buffer); |
| buffer[0] = 42; |
| // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]] |
| // CHECK: WRITE of size 1 at [[ADDR]] thread T0 |
| // CHECK-NEXT: {{#0 .* main .*malloc_uaf.cpp}}:[[@LINE-3]] |
| // CHECK: [[ADDR]] is located 0 bytes inside of 42-byte region |
| // CHECK: freed by thread T0 here: |
| // CHECK-NEXT: {{#0 .* free }} |
| // CHECK-NEXT: {{#1 .* main .*malloc_uaf.cpp}}:[[@LINE-8]] |
| // CHECK: previously allocated by thread T0 here: |
| // CHECK-NEXT: {{#0 .* malloc }} |
| // CHECK-NEXT: {{#1 .* main .*malloc_uaf.cpp}}:[[@LINE-12]] |
| } |
