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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-06 22:23:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-16 19:16:13 +0200 |
| commit | 6a0a16e563f07722acd4b666b2c501e186e9fa4b (patch) | |
| tree | 7a95f9ddd50d3eb97d5ac45e858271526a9cdb79 | |
| parent | 314ca5672d378997a8a523b567b846c518cef8f1 (diff) | |
| download | ffmpeg-6a0a16e563f07722acd4b666b2c501e186e9fa4b.tar.gz | |
avformat/movenc: Check input sample count
Fixes: division by 0
Fixes: fpe_movenc.c_199_1.wav
Fixes: fpe_movenc.c_199_2.wav
Fixes: fpe_movenc.c_199_3.wav
Fixes: fpe_movenc.c_199_4.wav
Fixes: fpe_movenc.c_199_5.wav
Fixes: fpe_movenc.c_199_6.wav
Fixes: fpe_movenc.c_199_7.wav
Found-by: #CHEN HONGXU# <HCHEN017@e.ntu.edu.sg>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3a2d21bc5f97aa0161db3ae731fc2732be6108b8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/movenc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 11d58274fd..b36322837e 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -4955,6 +4955,11 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) else samples_in_chunk = 1; + if (samples_in_chunk < 1) { + av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n"); + return AVERROR_PATCHWELCOME; + } + /* copy extradata if it exists */ if (trk->vos_len == 0 && par->extradata_size > 0 && !TAG_IS_AVCI(trk->tag) && |