mirror of https://git.ffmpeg.org/ffmpeg.git
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 36680078ca
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -2661,6 +2661,8 @@ static int matroska_read_header(AVFormatContext *s)
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if (!matroska->time_scale)
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matroska->time_scale = 1000000;
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if (isnan(matroska->duration))
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matroska->duration = 0;
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if (matroska->duration)
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matroska->ctx->duration = matroska->duration * matroska->time_scale *
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1000 / AV_TIME_BASE;
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