648db22b |
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 | } |