avcodec/dxtory: Fix input size check in dxtory_decode_v1_410()

Fixes potential out of array read

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-15 00:25:11 +01:00
parent 9caa9414cc
commit 76b6f4b7d9

View File

@ -65,7 +65,7 @@ static int dxtory_decode_v1_410(AVCodecContext *avctx, AVFrame *pic,
uint8_t *Y1, *Y2, *Y3, *Y4, *U, *V;
int ret;
if (src_size < avctx->width * avctx->height * 9LL / 8) {
if (src_size < FFALIGN(avctx->width, 4) * FFALIGN(avctx->height, 4) * 9LL / 8) {
av_log(avctx, AV_LOG_ERROR, "packet too small\n");
return AVERROR_INVALIDDATA;
}