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// Simple test for a fuzzer. The fuzzer must find the string "Hi!".
6#include <cstddef>
7#include <cstdint>
8#include <cstdlib>
9#include <cstdio>
10
11static volatile int Sink;
12static volatile int *Null = 0;
13
14extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
15 if (Size > 0 && Data[0] == 'H') {
16 Sink = 1;
17 if (Size > 1 && Data[1] == 'i') {
18 Sink = 2;
19 if (Size > 2 && Data[2] == '!') {
20 printf("Found the target, dereferencing NULL\n");
21 *Null = 1;
22 }
23 }
24 }
25 return 0;
26}
27
28