| 1 | /* |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This source code is licensed under both the BSD-style license (found in the |
| 6 | * LICENSE file in the root directory of this source tree) and the GPLv2 (found |
| 7 | * in the COPYING file in the root directory of this source tree). |
| 8 | * You may select, at your option, one of the above-listed licenses. |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * This fuzz target fuzzes all of the helper functions that consume compressed |
| 13 | * input. |
| 14 | */ |
| 15 | |
| 16 | #include <stddef.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <stdio.h> |
| 19 | #include "fuzz_helpers.h" |
| 20 | #include "zstd_helpers.h" |
| 21 | |
| 22 | int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size) |
| 23 | { |
| 24 | ZSTD_frameHeader zfh; |
| 25 | if (size == 0) { |
| 26 | src = NULL; |
| 27 | } |
| 28 | /* You can fuzz any helper functions here that are fast, and take zstd |
| 29 | * compressed data as input. E.g. don't expect the input to be a dictionary, |
| 30 | * so don't fuzz ZSTD_getDictID_fromDict(). |
| 31 | */ |
| 32 | ZSTD_getFrameContentSize(src, size); |
| 33 | ZSTD_getDecompressedSize(src, size); |
| 34 | ZSTD_findFrameCompressedSize(src, size); |
| 35 | ZSTD_getDictID_fromFrame(src, size); |
| 36 | ZSTD_findDecompressedSize(src, size); |
| 37 | ZSTD_decompressBound(src, size); |
| 38 | ZSTD_frameHeaderSize(src, size); |
| 39 | ZSTD_isFrame(src, size); |
| 40 | ZSTD_getFrameHeader(&zfh, src, size); |
| 41 | ZSTD_getFrameHeader_advanced(&zfh, src, size, ZSTD_f_zstd1); |
| 42 | return 0; |
| 43 | } |