| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| |
| // Simple test for a fuzzer: find interesting value of array index. |
| #include <assert.h> |
| #include <cstddef> |
| #include <cstdint> |
| #include <cstring> |
| #include <iostream> |
| |
| static volatile uint8_t Sink; |
| const int kArraySize = 32505854; // 0x01effffe |
| uint8_t array[kArraySize]; |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
| if (Size != 8) |
| return 0; |
| uint64_t a = 0; |
| memcpy(&a, Data, sizeof(a)); |
| a &= 0x1fffffff; |
| Sink = array[a % (kArraySize + 1)]; |
| return 0; |
| } |