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xl: Fix overreads

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Aneesh Dogra 2011-12-20 00:00:30 +05:30 committed by Martin Storsjö
parent 1c66862472
commit 00aad121d8
1 changed files with 6 additions and 0 deletions
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6
libavcodec/xl.c
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@ -68,6 +68,12 @@ static int decode_frame(AVCodecContext *avctx,
V = a->pic.data[2];
stride = avctx->width - 4;
if (buf_size < avctx->width * avctx->height) {
av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
return AVERROR_INVALIDDATA;
}
for (i = 0; i < avctx->height; i++) {
/* lines are stored in reversed order */
buf += stride;