shorten: Fix out of bound writes in fix_bitshift()

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

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
(cherry picked from commit 5f05cf4ea9aaafed8edcabe785c2719786103ec1)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit 737bea21b6c2c1d4dca0b7b18824c0a3205556d2)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Laurent Aimar 2011-09-30 01:26:22 +00:00 committed by Reinhard Tartler
parent 8f924ee66f
commit 58b3f439cc

View File

@ -156,7 +156,7 @@ 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;
}