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

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Fixes potential out of array read

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 76b6f4b7d91901929177cc61d9810dcca0bb40c1)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-15 00:25:11 +01:00
parent c7a970a3a0
commit 824e72d9b7
1 changed files with 1 additions and 1 deletions
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2
libavcodec/dxtory.c
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@ -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;
}