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mmvideo/mm_decode_intra: check horizontal coordinate too

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ae2132ac90)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-05-02 22:06:03 +02:00
parent 520c3d2303
commit e4bae0a140
1 changed files with 3 additions and 0 deletions
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3
libavcodec/mmvideo.c
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@@ -104,6 +104,9 @@ static int mm_decode_intra(MmContext * s, int half_horiz, int half_vert)
if (half_horiz) if (half_horiz)
run_length *=2; run_length *=2;
if (run_length > s->avctx->width - x)
return AVERROR_INVALIDDATA;
if (color) { if (color) {
memset(s->frame.data[0] + y*s->frame.linesize[0] + x, color, run_length); memset(s->frame.data[0] + y*s->frame.linesize[0] + x, color, run_length);
if (half_vert) if (half_vert)