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Fix out of bound writes in fix_bitshift() of the shorten decoder.

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The data pointers s->decoded[*] already take into account s->nwrap.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f42b3195d3f2692a4dfc0a8668bb4ac35301f2ed)
(cherry picked from commit 107ea3057eb8de8a38c45c2f7181c42ea694b187)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-09-30 00:05:53 +02:00 committed by Michael Niedermayer
parent 240546a185
commit 635256a324
1 changed files with 1 additions and 1 deletions
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2
libavcodec/shorten.c
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@ -147,7 +147,7 @@ static void fix_bitshift(ShortenContext *s, int32_t *buffer)
if (s->bitshift != 0)
for (i = 0; i < s->blocksize; i++)
buffer[s->nwrap + i] <<= s->bitshift;
buffer[i] <<= s->bitshift;
}