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cinepak: check strip_size

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cea0c82d9b9771dfa2ac729c13c0d9e03ea352a7)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Michael Niedermayer authored on 2011/11/17 01:21:42
Showing 1 changed files

libavcodec/cinepak.c index 0b822d2..6d1061b 100644

libavcodec/cinepak.c

History View file @ 211a107

@@ -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;