ffmpeg | branch: release/5.0 | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Thu May 28 15:53:56 2020 +0200| [550d70fde3bdca6469193f8ae4a7ff2d03c2467a] | committer: Andreas Rheinhardt
avcodec/vp9_superframe_split_bsf: Discard invalid zero-sized frames They are invalid in VP9. If any of the frames inside a superframe had a size of zero, the code would either read into the next frame or into the superframe index; so check for the length to stop this. Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> (cherry picked from commit d20ef30f534151ce749b064034c339562724cc34) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=550d70fde3bdca6469193f8ae4a7ff2d03c2467a --- libavcodec/vp9_superframe_split_bsf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vp9_superframe_split_bsf.c b/libavcodec/vp9_superframe_split_bsf.c index ed0444561a..7f0cad1ea0 100644 --- a/libavcodec/vp9_superframe_split_bsf.c +++ b/libavcodec/vp9_superframe_split_bsf.c @@ -70,7 +70,7 @@ static int vp9_superframe_split_filter(AVBSFContext *ctx, AVPacket *out) frame_size |= bytestream2_get_byte(&bc) << (j * 8); total_size += frame_size; - if (frame_size < 0 || total_size > in->size - idx_size) { + if (frame_size <= 0 || total_size > in->size - idx_size) { av_log(ctx, AV_LOG_ERROR, "Invalid frame size in a superframe: %d\n", frame_size); ret = AVERROR(EINVAL); _______________________________________________ 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".
