base/debug/asan_invalid_access.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Defines some functions that intentionally do an invalid memory access in
   6 // order to trigger an AddressSanitizer (ASan) error report.
   7
   8 #ifndef BASE_DEBUG_ASAN_INVALID_ACCESS_H_
   9 #define BASE_DEBUG_ASAN_INVALID_ACCESS_H_
  10
  11 #include "base/base_export.h"
  12 #include "base/compiler_specific.h"
  13
  14 namespace base {
  15 namespace debug {
  16
  17 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
  18
  19 // Generates an heap buffer overflow.
  20 BASE_EXPORT NOINLINE void AsanHeapOverflow();
  21
  22 // Generates an heap buffer underflow.
  23 BASE_EXPORT NOINLINE void AsanHeapUnderflow();
  24
  25 // Generates an use after free.
  26 BASE_EXPORT NOINLINE void AsanHeapUseAfterFree();
  27
  28 #endif  // ADDRESS_SANITIZER || SYZYASAN
  29
  30 // The "corrupt-block" and "corrupt-heap" classes of bugs is specific to
  31 // SyzyASan.
  32 #if defined(SYZYASAN) && defined(COMPILER_MSVC)
  33
  34 // Corrupts a memory block and makes sure that the corruption gets detected when
  35 // we try to free this block.
  36 BASE_EXPORT NOINLINE void AsanCorruptHeapBlock();
  37
  38 // Corrupts the heap and makes sure that the corruption gets detected when a
  39 // crash occur.
  40 BASE_EXPORT NOINLINE void AsanCorruptHeap();
  41
  42 #endif  // SYZYASAN && COMPILER_MSVC
  43
  44 }  // namespace debug
  45 }  // namespace base
  46
  47 #endif  // BASE_DEBUG_ASAN_INVALID_ACCESS_H_