ffmpeg | branch: master | Marton Balint <c...@passwd.hu> | Mon Jun 27 21:52:35 2022 +0200| [03d81a044ad587ea83567f75dc36bc3d64278199] | committer: Marton Balint
avformat/mov: disallow a zero sample size in trun atoms In order to not generate 0 sized packets or create a huge index table needlessly. Fixes: Timeout Fixes: 43717/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5206008287330304 Fixes: 45738/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6142535657979904 Signed-off-by: Marton Balint <c...@passwd.hu> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=03d81a044ad587ea83567f75dc36bc3d64278199 --- libavformat/mov.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index 5d8b24368a..6eb631d45b 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5179,6 +5179,8 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) distance++; if (av_sat_add64(dts, sample_duration) != dts + (uint64_t)sample_duration) return AVERROR_INVALIDDATA; + if (!sample_size) + return AVERROR_INVALIDDATA; dts += sample_duration; offset += sample_size; sc->data_size += sample_size; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
