The patch below does not apply to the 3.18-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 0567fc9e90b9b1c8dbce8a5468758e6206744d4a Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@xxxxxxxxxx>
Date: Mon, 23 Jul 2018 09:57:50 -0700
Subject: [PATCH] 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: b286d8b1a690 ("crypto: skcipher - Add skcipher walk interface")
Cc: <stable@xxxxxxxxxxxxxxx> # v4.10+
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index 7d6a49fe3047..4f6b8dadaceb 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -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;
