/src/samba/lib/fuzzing/fuzz_lzxpress_round_trip.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | Fuzzing for lzxpress_decompress |
3 | | Copyright (C) Michael Hanselmann 2019 |
4 | | |
5 | | This program is free software; you can redistribute it and/or modify |
6 | | it under the terms of the GNU General Public License as published by |
7 | | the Free Software Foundation; either version 3 of the License, or |
8 | | (at your option) any later version. |
9 | | |
10 | | This program is distributed in the hope that it will be useful, |
11 | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | | GNU General Public License for more details. |
14 | | |
15 | | You should have received a copy of the GNU General Public License |
16 | | along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | | */ |
18 | | |
19 | | #include "includes.h" |
20 | | #include "fuzzing/fuzzing.h" |
21 | | #include "lzxpress.h" |
22 | | |
23 | | int LLVMFuzzerInitialize(int *argc, char ***argv) |
24 | 372 | { |
25 | 372 | return 0; |
26 | 372 | } |
27 | | |
28 | | int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) |
29 | 915 | { |
30 | 915 | static uint8_t compressed[1024 * 1280] = {0}; |
31 | 915 | static uint8_t decompressed[1024 * 1024] = {0}; |
32 | 915 | ssize_t compressed_size; |
33 | 915 | ssize_t decompressed_size; |
34 | | |
35 | 915 | if (len > sizeof(decompressed)) { |
36 | 0 | return 0; |
37 | 0 | } |
38 | | |
39 | 915 | compressed_size = lzxpress_compress(buf, len, |
40 | 915 | compressed, sizeof(compressed)); |
41 | 915 | if (compressed_size < 0) { |
42 | 0 | abort(); |
43 | 0 | } |
44 | | |
45 | 915 | decompressed_size = lzxpress_decompress(compressed, compressed_size, |
46 | 915 | decompressed, sizeof(decompressed)); |
47 | | |
48 | 915 | if (decompressed_size != len) { |
49 | 0 | abort(); |
50 | 0 | } |
51 | 915 | if (memcmp(buf, decompressed, len) != 0) { |
52 | 0 | abort(); |
53 | 0 | } |
54 | | |
55 | 915 | return 0; |
56 | 915 | } |