ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Mar 2 13:01:53 2022 +0100| [b70429e33c7c33eda2f0cbcf8d9fa0752bcd3c22] | committer: Michael Niedermayer
avformat/mov: Disallow empty sidx It appears this is not allowed "Each Segment Index box documents how a (sub)segment is divided into one or more subsegments (which may themselves be further subdivided using Segment Index boxes)." Fixes: Null pointer dereference Fixes: Ticket9517 Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 4419433d77278cb742944c4514be5f72a04103c0) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b70429e33c7c33eda2f0cbcf8d9fa0752bcd3c22 --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 78ec7e8f45..5bbc54493e 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -4586,7 +4586,7 @@ static int mov_read_sidx(MOVContext *c, AVIOContext *pb, MOVAtom atom) index->track_id = track_id; index->item_count = avio_rb16(pb); - index->items = av_mallocz_array(index->item_count, sizeof(MOVFragmentIndexItem)); + index->items = index->item_count ? av_mallocz_array(index->item_count, sizeof(MOVFragmentIndexItem)) : NULL; if (!index->items) { av_freep(&index); _______________________________________________ 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".
