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shorten: Fix out of bound writes in fix_bitshift()

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

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
(cherry picked from commit 5f05cf4ea9)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Laurent Aimar
2011-09-30 01:26:22 +00:00
committed by Reinhard Tartler
parent aa9e308580
commit 737bea21b6
1 changed files with 1 additions and 1 deletions
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libavcodec/shorten.c
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@@ -155,7 +155,7 @@ static void fix_bitshift(ShortenContext *s, int32_t *buffer)
if (s->bitshift != 0) if (s->bitshift != 0)
for (i = 0; i < s->blocksize; i++) for (i = 0; i < s->blocksize; i++)
buffer[s->nwrap + i] <<= s->bitshift; buffer[i] <<= s->bitshift;
} }