From e93d911e483ffcf3da3dd2cbac2895fa061d2f58 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 2 Mar 2012 16:52:32 +0100 Subject: [PATCH] h263: fix zygo debug printing overreading. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/ituh263dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index e92af33eaf..b8224b31e6 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -1114,7 +1114,7 @@ int ff_h263_decode_picture_header(MpegEncContext *s) } ff_h263_show_pict_info(s); - if (s->pict_type == AV_PICTURE_TYPE_I && s->codec_tag == AV_RL32("ZYGO")){ + if (s->pict_type == AV_PICTURE_TYPE_I && s->codec_tag == AV_RL32("ZYGO") && get_bits_left(&s->gb) >= 85 + 13*3*16 + 50){ int i,j; for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb)); av_log(s->avctx, AV_LOG_DEBUG, "\n");