ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 00:27:39 2024 +0100| [cbc9e5e655ad06c3498acbde3c3c5239d41f5d8e] | committer: Michael Niedermayer
avformat/timecode: use 64bit for intermediate for rounding in fps_from_frame_rate() Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4802790784303104 Fixes: signed integer overflow: 1768972133 + 968491058 cannot be represented in type 'int' 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 3d8d778a68531b406455f8090d81216ef374ab75) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cbc9e5e655ad06c3498acbde3c3c5239d41f5d8e --- libavutil/timecode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavutil/timecode.c b/libavutil/timecode.c index f029f25839..54b0d65a38 100644 --- a/libavutil/timecode.c +++ b/libavutil/timecode.c @@ -173,7 +173,7 @@ static int fps_from_frame_rate(AVRational rate) { if (!rate.den || !rate.num) return -1; - return (rate.num + rate.den/2) / rate.den; + return (rate.num + rate.den/2LL) / rate.den; } int av_timecode_check_frame_rate(AVRational rate) _______________________________________________ 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".
