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avcodec/shorten: More complete pred_order check 

Fixes CID1239055

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 294469416d)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-15 17:02:28 +02:00
parent 008c1debb9
commit e4318f6875
1 changed files with 1 additions and 1 deletions
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2
libavcodec/shorten.c
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@ -277,7 +277,7 @@ static int decode_subframe_lpc(ShortenContext *s, int command, int channel,
if (command == FN_QLPC) {
/* read/validate prediction order */
pred_order = get_ur_golomb_shorten(&s->gb, LPCQSIZE);
if (pred_order > s->nwrap) {
if ((unsigned)pred_order > s->nwrap) {
av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\n",
pred_order);
return AVERROR(EINVAL);