ffmpeg/libavformat
Michael Niedermayer 104e51f17a
avformat/matroskadec: Check prebuffered_ns for overflow
Fixes: signed integer overflow: 9223372036630775808 + 1000000000 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-5406131992526848

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 2d6df3719dd4f75b40cdf25a02f3f075b76ed045)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-14 22:12:31 +02:00
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