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path: root/libavformat/vividas.c
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* lavf/vividas: check avformat_new_stream() returnJun Zhao2019-11-29
| | | | | | | check avformat_new_stream() return. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
* avformat/vividas: Avoid allocation of AVIOContextAndreas Rheinhardt2019-11-29
| | | | | | | | | | Put an AVIOContext whose lifetime doesn't extend beyond the function where it is allocated on the stack instead of allocating and freeing it. This also avoids the need to free it, which in this case fixes possible memleaks on error. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Error out on audio packets in the absence of audio streamsMichael Niedermayer2019-11-25
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check and require 1 video streamMichael Niedermayer2019-11-25
| | | | | | | | | | | The decoder hardcodes that audio is stream_id = 1 so it does not currently work with more or less than 1 video stream at st=0 Fixes: assertion failure Fixes: 18602/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6259277199310848 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Add EOF check in val_1 loop in track_header()Michael Niedermayer2019-11-20
| | | | | | | | Fixes: Timeout (148sec -> 0.1sec) Fixes: 18427/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5682124627116032 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Fix n_sb_blocks CheckMichael Niedermayer2019-11-09
| | | | | | | | Fixes: signed integer overflow: 1540265776 * 2 cannot be represented in type 'int' Fixes: 18160/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5758808818712576 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Test size and packet numbers a bit moreMichael Niedermayer2019-09-24
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check n_sb_blocks against input spaceMichael Niedermayer2019-09-24
| | | | | | | | Fixes: OOM Fixes: 16726/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5719320750981120 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Remove align offset which is always masked offMichael Niedermayer2019-09-16
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: remove dead assignmentMichael Niedermayer2019-09-16
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: check for tiny blocks using alignmentMichael Niedermayer2019-09-06
| | | | | | | | | Ask for a sample for these Fixes: out of array access Fixes: 16624/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5762455661182976 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check av_xiphlacing() return value before useMichael Niedermayer2019-08-22
| | | | | | | | | Fixes: out of array access Fixes: 16277/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5696629440512000 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Fix another infinite loopMichael Niedermayer2019-08-11
| | | | | | | Not found by the fuzzer Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Fix infinite loop in header parserMichael Niedermayer2019-08-11
| | | | | | | | | Fixes: Timeout (Infinite -> Finite) Fixes: 16010/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5638616102993920 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Fix memleak of AVIOContext in track_header()Michael Niedermayer2019-08-05
| | | | | | | | Fixes: memleak Fixes: 16127/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5649290914955264 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check that value from ffio_read_varlen() does not overflowMichael Niedermayer2019-08-03
| | | | | | | | Fixes: signed integer overflow: -1241665686 + -1340629419 cannot be represented in type 'int' Fixes: 15922/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5692826442006528 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: forward errors from track_header()Michael Niedermayer2019-08-03
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check buffer size before allocationMichael Niedermayer2019-08-03
| | | | | | | | Fixes: out of array access Fixes: 15365/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5716153105645568 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check if extradata was read successfullyMichael Niedermayer2019-08-03
| | | | | | | | Fixes: OOM Fixes: 15575/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5654666781655040 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Fixes overflow in shift in recover_key()Michael Niedermayer2019-07-14
| | | | | | | | | | Fixes: left shift of 133 by 24 places cannot be represented in type 'int' Fixes: 15365/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5716153105645568 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Suggested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de> Reviewed-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Check for input length in get_v()Michael Niedermayer2019-07-08
| | | | | | | | Fixes: out of array read Fixes: 15286/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5658245101780992 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: check length in read_vblock()Michael Niedermayer2019-06-25
| | | | | | | | Fixes: out of array access Fixes: 15166/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5731062396747776 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: reduce keybits to require half the spaceMichael Niedermayer2019-06-21
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/vividas: Fix invalid shift in decode_key()Michael Niedermayer2019-06-21
| | | | | | | | Fixes: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: 15118/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5740230004441088 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavf: Constify the probe function argument.Carl Eugen Hoyos2019-03-21
| | | | | Reviewed-by: Lauri Kasanen Reviewed-by: Tomas Härdin
* lavf/vividas: Support demuxing on big-endian hardware.Carl Eugen Hoyos2018-12-28
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* lavf/vividas: Do not increase extradata_size after allocation.Carl Eugen Hoyos2018-12-28
| | | | Avoids a crash in avcodec_parameters_from_context().
* avformat/vividas: check if viv->sb_pb is not NULLPaul B Mahol2018-12-22
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* avformat/vividas: check if size is enough big in xor_blockPaul B Mahol2018-12-22
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* avformat/vividas: fix undefined behaviourPaul B Mahol2018-12-22
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* avformat/vividas: check if value from ffio_read_varlen() is too bigPaul B Mahol2018-12-22
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* avformat: add vividas demuxerPaul B Mahol2018-12-20
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