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) 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 43 44 } // namespace debug 45 } // namespace base 46 47 #endif // BASE_DEBUG_ASAN_INVALID_ACCESS_H_ 48