diff options
Diffstat (limited to 'oss-fuzz/fuzzing/memory.hpp')
-rw-r--r-- | oss-fuzz/fuzzing/memory.hpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/oss-fuzz/fuzzing/memory.hpp b/oss-fuzz/fuzzing/memory.hpp new file mode 100644 index 00000000..804e23b4 --- /dev/null +++ b/oss-fuzz/fuzzing/memory.hpp @@ -0,0 +1,73 @@ +#pragma once + +#include <stdio.h> +#include <optional> + +#ifndef ASAN +#define ASAN 0 +#endif + +#ifndef MSAN +#define MSAN 0 +#endif + +namespace fuzzing { +namespace memory { + +#ifndef FUZZING_HEADERS_NO_IMPL +#if ASAN == 1 +extern "C" void *__asan_region_is_poisoned(const void *beg, size_t size); +#endif + +#if MSAN == 1 +extern "C" void __msan_check_mem_is_initialized(const volatile void *x, size_t size); +#endif + +void memory_test_asan(const void* data, const size_t size) +{ + (void)data; + (void)size; + +#if ASAN == 1 + if ( __asan_region_is_poisoned(data, size) != NULL ) { + abort(); + } +#endif +} + +void memory_test_msan(const void* data, const size_t size) +{ + (void)data; + (void)size; + +#if MSAN == 1 + __msan_check_mem_is_initialized(data, size); +#endif +} + +void memory_test(const void* data, const size_t size) +{ + memory_test_asan(data, size); + memory_test_msan(data, size); +} + +template <class T> +void memory_test(const T& t) +{ + (void)t; +} + +template <> +void memory_test(const std::string& s) +{ + (void)s; + +#if MSAN == 1 + memory_test(s.data(), s.size()); +#endif +} + +#endif + +} /* namespace memory */ +} /* namespace fuzzing */ |