diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-14 22:01:35 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-14 00:39:50 +0300 |
| commit | 77f3f2aaf9bbd58aad74b373ce2ace57fd9c18a8 (patch) | |
| tree | d67f5bc2c45e025063d470e8b4c5de280eb810f6 | |
| parent | 83d5b57074f55c838231d2f499042ddcb1423b30 (diff) | |
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 36674195a1..8eb382744f 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -2628,6 +2628,8 @@ 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; |