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Code Issues Releases Activity

cavsdec: avoid possible crash with crafted input

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-08-10 17:29:51 +02:00
parent a9aa88df1d
commit 9f06c1c61e
1 changed files with 2 additions and 2 deletions
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4
libavcodec/cavsdec.c
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@ -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;
}