The patch below does not apply to the 3.10-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 6e8d8ecf438792ecf7a3207488fb4eebc4edb040 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 11 Jan 2016 21:29:41 +0800
Subject: [PATCH] crypto: algif_skcipher - Add key check exception for
cipher_null
This patch adds an exception to the key check so that cipher_null
users may continue to use algif_skcipher without setting a key.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 110bab499e43..4a5bdb69fd49 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -978,7 +978,7 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_tfm *tfm = private;
- if (!tfm->has_key)
+ if (!tfm->has_key && crypto_skcipher_has_setkey(tfm->skcipher))
return -ENOKEY;
return skcipher_accept_parent_common(private, sk);
--
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