ffmpeg | branch: release/4.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 21 12:24:04 2020 +0200| [3571d9d654f78c3c16ec17c8260d28f211e9571b] | committer: Michael Niedermayer
avformat/utils: reorder duration computation to avoid overflow Fixes: signed integer overflow: 8 * 9223372036854774783 cannot be represented in type 'long' Fixes: 23381/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4818340509122560 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 10cc82c35baabbb07ffec3faccb04d8928c39e4c) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3571d9d654f78c3c16ec17c8260d28f211e9571b --- libavformat/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/utils.c b/libavformat/utils.c index 667249362c..ba8aaebfb7 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2782,7 +2782,7 @@ static void estimate_timings_from_bit_rate(AVFormatContext *ic) st = ic->streams[i]; if ( st->time_base.num <= INT64_MAX / ic->bit_rate && st->duration == AV_NOPTS_VALUE) { - duration = av_rescale(8 * filesize, st->time_base.den, + duration = av_rescale(filesize, 8LL * st->time_base.den, ic->bit_rate * (int64_t) st->time_base.num); st->duration = duration; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
