1 /*
2 RawSpeed - RAW file decoder.
3
4 Copyright (C) 2017 Roman Lebedev
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with this library; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "decompressors/SamsungV0Decompressor.h" // for SamsungV0Decompressor
22 #include "common/RawImage.h" // for RawImage
23 #include "common/RawspeedException.h" // for RawspeedException
24 #include "fuzz/Common.h" // for CreateRawImage
25 #include "io/Buffer.h" // for Buffer, DataBuffer
26 #include "io/ByteStream.h" // for ByteStream
27 #include "io/Endianness.h" // for Endianness, Endianne...
28 #include <cassert> // for assert
29 #include <cstdint> // for uint8_t
30 #include <cstdio> // for size_t
31
32 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size);
33
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)34 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size) {
35 assert(Data);
36
37 try {
38 const rawspeed::Buffer b(Data, Size);
39 const rawspeed::DataBuffer db(b, rawspeed::Endianness::little);
40 rawspeed::ByteStream bs(db);
41
42 rawspeed::RawImage mRaw(CreateRawImage(bs));
43
44 const auto bsoLength = bs.get<uint32_t>();
45 rawspeed::ByteStream bso = bs.getStream(bsoLength);
46 rawspeed::ByteStream bsr = bs.getStream(bs.getRemainSize());
47
48 rawspeed::SamsungV0Decompressor p(mRaw, bso, bsr);
49 mRaw->createData();
50 p.decompress();
51
52 mRaw->checkMemIsInitialized();
53 } catch (const rawspeed::RawspeedException&) {
54 // Exceptions are good, crashes are bad.
55 }
56
57 return 0;
58 }
59