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.
6// Needs to find a string "FUZZxxxxxxxxxxxxMxxE", where 'x' is any byte.
7#include <assert.h>
8#include <cstddef>
9#include <cstdint>
10#include <cstdlib>
11#include <cstdio>
12
13extern "C" bool Func1(const uint8_t *Data, size_t Size);
14extern "C" bool Func2(const uint8_t *Data, size_t Size);
15
16extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
17 if (Size >= 20
18 && Data[0] == 'F'
19 && Data[1] == 'U'
20 && Data[2] == 'Z'
21 && Data[3] == 'Z'
22 && Func1(Data, Size)
23 && Func2(Data, Size)) {
24 fprintf(stderr, "BINGO\n");
25 abort();
26 }
27 return 0;
28}
29
30extern "C"
31__attribute__((noinline))
32bool Func1(const uint8_t *Data, size_t Size) {
33 // assumes Size >= 5, doesn't check it.
34 return Data[16] == 'M';
35}
36
37extern "C"
38__attribute__((noinline))
39bool Func2(const uint8_t *Data, size_t Size) {
40 return Size >= 20 && Data[19] == 'E';
41}
42