25 lines · cpp
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-exception4 5// Simple test for a fuzzer: find interesting value of array index.6#include <assert.h>7#include <cstddef>8#include <cstdint>9#include <cstring>10#include <iostream>11 12static volatile uint8_t Sink;13const int kArraySize = 32505854; // 0x01effffe14uint8_t array[kArraySize];15 16extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {17 if (Size != 8)18 return 0;19 uint64_t a = 0;20 memcpy(&a, Data, sizeof(a));21 a &= 0x1fffffff;22 Sink = array[a % (kArraySize + 1)];23 return 0;24}25