Patch "crypto: algif_hash - wait for crypto_ahash_init() to complete" has been added to the 3.14-stable tree

This is a note to let you know that I've just added the patch titled

crypto: algif_hash - wait for crypto_ahash_init() to complete

to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
crypto-algif_hash-wait-for-crypto_ahash_init-to-complete.patch
and it can be found in the queue-3.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: "Wang, Rui Y" <[email protected]>
Date: Wed, 27 Jan 2016 17:08:37 +0800
Subject: crypto: algif_hash - wait for crypto_ahash_init() to complete

From: Wang, Rui Y <[email protected]>

commit fe09786178f9df713a4b2dd6b93c0a722346bf5e upstream.

hash_sendmsg/sendpage() need to wait for the completion of crypto_ahash_init() otherwise it can cause panic.

---
 crypto/algif_hash.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

@@ -51,7 +51,8 @@ static int hash_sendmsg(struct kiocb *un
 
 	lock_sock(sk);
 	if (!ctx->more) {
-		err = crypto_ahash_init(&ctx->req);
+		err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req),
+						&ctx->completion);
 		if (err)
 			goto unlock;
 	}

@@ -131,6 +132,7 @@ static ssize_t hash_sendpage(struct sock
 	} else {
 		if (!ctx->more) {
 			err = crypto_ahash_init(&ctx->req);
+			err = af_alg_wait_for_completion(err, &ctx->completion);
 			if (err)
 				goto unlock;
 		}

Patches currently in stable-queue which might be from [email protected] are

queue-3.14/crypto-algif_hash-wait-for-crypto_ahash_init-to-complete.patch