asan_invalid_access.h 1.34 KB
Newer Older
gejun's avatar
gejun committed
1 2 3 4 5 6 7 8 9 10
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Defines some functions that intentionally do an invalid memory access in
// order to trigger an AddressSanitizer (ASan) error report.

#ifndef BASE_DEBUG_ASAN_INVALID_ACCESS_H_
#define BASE_DEBUG_ASAN_INVALID_ACCESS_H_

11 12
#include "butil/base_export.h"
#include "butil/compiler_specific.h"
gejun's avatar
gejun committed
13

14
namespace butil {
gejun's avatar
gejun committed
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
namespace debug {

#if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)

// Generates an heap buffer overflow.
BASE_EXPORT NOINLINE void AsanHeapOverflow();

// Generates an heap buffer underflow.
BASE_EXPORT NOINLINE void AsanHeapUnderflow();

// Generates an use after free.
BASE_EXPORT NOINLINE void AsanHeapUseAfterFree();

#endif  // ADDRESS_SANITIZER || SYZYASAN

// The "corrupt-block" and "corrupt-heap" classes of bugs is specific to
// SyzyASan.
#if defined(SYZYASAN)

// Corrupts a memory block and makes sure that the corruption gets detected when
// we try to free this block.
BASE_EXPORT NOINLINE void AsanCorruptHeapBlock();

// Corrupts the heap and makes sure that the corruption gets detected when a
// crash occur.
BASE_EXPORT NOINLINE void AsanCorruptHeap();

#endif  // SYZYASAN

}  // namespace debug
45
}  // namespace butil
gejun's avatar
gejun committed
46 47

#endif  // BASE_DEBUG_ASAN_INVALID_ACCESS_H_