From 9f06c1c61e876e930753da200bfe835817e30a53 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 10 Aug 2011 17:29:51 +0200 Subject: [PATCH] cavsdec: avoid possible crash with crafted input Signed-off-by: Michael Niedermayer --- libavcodec/cavsdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c index acf040788c..7beedb81b7 100644 --- a/libavcodec/cavsdec.c +++ b/libavcodec/cavsdec.c @@ -164,7 +164,7 @@ static inline int decode_residual_inter(AVSContext *h) { /* get coded block pattern */ int cbp= get_ue_golomb(&h->s.gb); - if(cbp > 63){ + if(cbp > 63U){ av_log(h->s.avctx, AV_LOG_ERROR, "illegal inter cbp\n"); return -1; } @@ -223,7 +223,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) { /* get coded block pattern */ if(h->pic_type == AV_PICTURE_TYPE_I) cbp_code = get_ue_golomb(gb); - if(cbp_code > 63){ + if(cbp_code > 63U){ av_log(h->s.avctx, AV_LOG_ERROR, "illegal intra cbp\n"); return -1; }