Module: libav Branch: master Commit: 1194a410807bac3eafbeb632578b937656d273e7
Author: Luca Barbato <[email protected]> Committer: Luca Barbato <[email protected]> Date: Sun Jun 30 10:35:07 2013 +0200 indeo5: reject negative motion vectors Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: [email protected] --- libavcodec/indeo5.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c index dc5f6f0..7a60f49 100644 --- a/libavcodec/indeo5.c +++ b/libavcodec/indeo5.c @@ -520,6 +520,12 @@ static int decode_mb_info(IVI45DecContext *ctx, IVIBandDesc *band, mv_x += IVI_TOSIGNED(mv_delta); mb->mv_x = mv_x; mb->mv_y = mv_y; + if (mv_x < 0 || mv_y < 0) { + av_log(avctx, AV_LOG_ERROR, "Invalid MV %d %d\n", + mv_x, mv_y); + mb->mv_x = mb->mv_y = 0; + return AVERROR_INVALIDDATA; + } } } } _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
