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crypto: skcipher - fix aligning block size in skcipher_copy_iv() 

The ALIGN() macro needs to be passed the alignment, not the alignmask
(which is the alignment minus 1).

Fixes: b286d8b1a6 ("crypto: skcipher - Add skcipher walk interface")
Cc: <stable@vger.kernel.org> # v4.10+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2018-07-23 09:57:50 -07:00 committed by Herbert Xu
parent e4a1f7858a
commit 0567fc9e90
1 changed files with 1 additions and 1 deletions
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2
crypto/skcipher.c
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@ -398,7 +398,7 @@ static int skcipher_copy_iv(struct skcipher_walk *walk)
unsigned size; unsigned size;
u8 *iv; u8 *iv;
aligned_bs = ALIGN(bs, alignmask); aligned_bs = ALIGN(bs, alignmask + 1);
/* Minimum size to align buffer by alignmask. */ /* Minimum size to align buffer by alignmask. */
size = alignmask & ~a; size = alignmask & ~a;