ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 00:27:39 2024 +0100| [f01a89c5a378cb7b55a0bcb5763cfb1da83b81f1] | committer: Michael Niedermayer
avformat/mov: use 64bit for intermediate for rounding Fixes: signed integer overflow: 1768972133 + 968491058 cannot be represented in type 'int' Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4802790784303104 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f01a89c5a378cb7b55a0bcb5763cfb1da83b81f1 --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 8483b34a9a..e7aa8d1833 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -8991,7 +8991,7 @@ static int mov_read_timecode_track(AVFormatContext *s, AVStream *st) /* 60 fps content have tmcd_nb_frames set to 30 but tc_rate set to 60, so * we multiply the frame number with the quotient. * See tickets #9492, #9710. */ - rounded_tc_rate = (tc_rate.num + tc_rate.den / 2) / tc_rate.den; + rounded_tc_rate = (tc_rate.num + tc_rate.den / 2LL) / tc_rate.den; /* Work around files where tmcd_nb_frames is rounded down from frame rate * instead of up. See ticket #5978. */ if (tmcd_nb_frames == tc_rate.num / tc_rate.den && _______________________________________________ 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".
