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cinepak: check strip_size

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cea0c82d9b)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-16 17:21:42 +01:00
parent fdd09e5d7b
commit 211a107208
1 changed files with 2 additions and 0 deletions
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2
libavcodec/cinepak.c
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@ -366,6 +366,8 @@ static int cinepak_decode (CinepakContext *s)
s->strips[i].x2 = s->avctx->width;
strip_size = AV_RB24 (&s->data[1]) - 12;
if(strip_size < 0)
return -1;
s->data += 12;
strip_size = ((s->data + strip_size) > eod) ? (eod - s->data) : strip_size;