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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-14 20:01:35 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-03-28 23:18:55 +0200 |
| commit | f514336829d1daa7bbcf734f2befdaae79389cb5 (patch) | |
| tree | 43b603905fd19328f783cc9270c34cf4dcabac16 | |
| parent | 096a936567f17eb510ae32d9d76498373b3a2339 (diff) | |
| download | ffmpeg-f514336829d1daa7bbcf734f2befdaae79389cb5.tar.gz | |
avformat/matroskadec: Check duration
Fixes: -nan is outside the range of representable values of type 'long'
Fixes: 44614/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-6216204841254912
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36680078ca3302496d9b0b8a8d7168ce9eabb2bc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/matroskadec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index c70c05c55f..89e6ab470c 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -3027,6 +3027,8 @@ static int matroska_read_header(AVFormatContext *s) if (!matroska->time_scale) matroska->time_scale = 1000000; + if (isnan(matroska->duration)) + matroska->duration = 0; if (matroska->duration) matroska->ctx->duration = matroska->duration * matroska->time_scale * 1000 / AV_TIME_BASE; |