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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-29 23:23:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-07-08 09:56:09 +0200 |
| commit | f57e97dfd9539bc3f4f97a76ebc001f0b055cb88 (patch) | |
| tree | cba55d8ae871a77805abf0666f6de926eb14bc54 | |
| parent | a6229fcd405d4135848c83df73634871260de59c (diff) | |
| download | ffmpeg-f57e97dfd9539bc3f4f97a76ebc001f0b055cb88.tar.gz | |
avformat/utils: Check timebase before use in estimate_timings()
Fixes: division by 0
Fixes: 15480/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5746727434321920
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/utils.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 886cd6fd83..180df782f0 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2953,6 +2953,7 @@ static void estimate_timings(AVFormatContext *ic, int64_t old_offset) AVStream av_unused *st; for (i = 0; i < ic->nb_streams; i++) { st = ic->streams[i]; + if (st->time_base.den) av_log(ic, AV_LOG_TRACE, "stream %d: start_time: %0.3f duration: %0.3f\n", i, (double) st->start_time * av_q2d(st->time_base), (double) st->duration * av_q2d(st->time_base)); |