ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Jul 3 23:02:16 2021 +0200| [e075bc192da554b252a4a7d22c159a307724ee83] | committer: Michael Niedermayer
avformat/utils: Ignore negative duration in codec_info_duration computation Fixes: signed integer overflow: -5994697211974418462 + -3255307777713450286 cannot be represented in type 'long' Fixes: 35332/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-5868035117285376 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 4d81550df9580b454d2530bcb37de20b8354ad6e) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e075bc192da554b252a4a7d22c159a307724ee83 --- libavformat/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/utils.c b/libavformat/utils.c index 20a597a60a..75e5350a27 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3914,7 +3914,7 @@ FF_ENABLE_DEPRECATION_WARNINGS av_packet_unref(pkt1); break; } - if (pkt->duration) { + if (pkt->duration > 0) { if (avctx->codec_type == AVMEDIA_TYPE_SUBTITLE && pkt->pts != AV_NOPTS_VALUE && st->start_time != AV_NOPTS_VALUE && pkt->pts >= st->start_time && (uint64_t)pkt->pts - st->start_time < INT64_MAX ) { _______________________________________________ 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".
