Michael Niedermayer 4afa465eb3 avformat/utils: Avoid overflow in codec_info_duration computation for subtitles ...

Fixes: signed integer overflow: 9223126845747118112 - -2594073385365397472 cannot be represented in type 'long'
Fixes: 34936/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-6739888002170880

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ffe4851e23)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2021-06-18 20:53:56 +02:00

204 KiB

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