Commit 0567fc9e authored Jul 23, 2018 by Eric Biggers Committed by Herbert Xu Aug 03, 2018

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: b286d8b1 ("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>

parent e4a1f785

crypto/skcipher.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -398,7 +398,7 @@ static int skcipher_copy_iv(struct skcipher_walk *walk)
		unsigned size;
		u8 *iv;

		aligned_bs = ALIGN(bs, alignmask);
		aligned_bs = ALIGN(bs, alignmask + 1);

		/* Minimum size to align buffer by alignmask. */
		size = alignmask & ~a;

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