ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Apr 12 22:33:06 2021 +0200| [578633fc1ac8c02a36a706bd71f775550412d1e1] | committer: Michael Niedermayer
avformat/utils: Use 64bit earlier in r_frame_rate check Fixes: signed integer overflow: 1406796319 * 2 cannot be represented in type 'int' Fixes: 32777/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5632576913014784 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=578633fc1ac8c02a36a706bd71f775550412d1e1 --- libavformat/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/utils.c b/libavformat/utils.c index 9228313a00..492e08562e 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3988,7 +3988,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) if (!st->r_frame_rate.num) { if ( avctx->time_base.den * (int64_t) st->time_base.num - <= avctx->time_base.num * avctx->ticks_per_frame * (uint64_t) st->time_base.den) { + <= avctx->time_base.num * (uint64_t)avctx->ticks_per_frame * st->time_base.den) { av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, avctx->time_base.den, (int64_t)avctx->time_base.num * avctx->ticks_per_frame, INT_MAX); } else { _______________________________________________ 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".
