22 lines · c
1// RUN: %clang_hwasan %s -o %t && not %run %t 2>&1 | FileCheck %s2 3#include <stdio.h>4#include <stdlib.h>5 6#include <sanitizer/hwasan_interface.h>7 8int main() {9 __hwasan_enable_allocator_tagging();10 char *p = (char *)malloc(1);11 fprintf(stderr, "ALLOC %p\n", __hwasan_tag_pointer(p, 0));12 // CHECK: ALLOC {{[0x]+}}[[ADDR:.*]]13 free(p - 8);14 // CHECK: ERROR: HWAddressSanitizer: invalid-free on address {{.*}} at pc {{[0x]+}}[[PC:.*]] on thread T{{[0-9]+}}15 // CHECK: #0 {{[0x]+}}{{.*}}[[PC]] in {{.*}}free16 // CHECK: #1 {{.*}} in main {{.*}}wild-free-close.c:[[@LINE-3]]17 // CHECK: is located 8 bytes before a 1-byte region [{{[0x]+}}{{.*}}[[ADDR]]18 // CHECK-NOT: Segmentation fault19 // CHECK-NOT: SIGSEGV20 return 0;21}22