1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2// See https://llvm.org/LICENSE.txt for license information.
3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4
5// Test that libFuzzer itself does not read out of bounds.
6#include <assert.h>
7#include <cstddef>
8#include <cstdint>
9#include <cstdlib>
10#include <cstring>
11#include <iostream>
12
13static volatile int Sink;
14
15extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
16 if (Size < 5) return 0;
17 const char *Ch = reinterpret_cast<const char *>(Data);
18 if (Ch[Size - 3] == 'a')
19 Sink = strncmp(Ch + Size - 3, "abcdefg", 6);
20 return 0;
21}
22
23