Patch "crypto: ghash-clmulni: specify context size for ghash async algorithm" has been added to the 3.10-stable tree

Patch "crypto: ghash-clmulni: specify context size for ghash async algorithm" has been added to the 3.10-stable tree

[gregkh]

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

    crypto: ghash-clmulni: specify context size for ghash async algorithm

to the 3.10-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-ghash-clmulni-specify-context-size-for-ghash-async-algorithm.patch
and it can be found in the queue-3.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 71c6da846be478a61556717ef1ee1cea91f5d6a8 Mon Sep 17 00:00:00 2001
From: Andrey Ryabinin <aryabinin@odin.com>
Date: Thu, 3 Sep 2015 14:32:01 +0300
Subject: crypto: ghash-clmulni: specify context size for ghash async algorithm

From: Andrey Ryabinin <aryabinin@odin.com>

commit 71c6da846be478a61556717ef1ee1cea91f5d6a8 upstream.

Currently context size (cra_ctxsize) doesn't specified for
ghash_async_alg. Which means it's zero. Thus crypto_create_tfm()
doesn't allocate needed space for ghash_async_ctx, so any
read/write to ctx (e.g. in ghash_async_init_tfm()) is not valid.

Signed-off-by: Andrey Ryabinin <aryabinin@odin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/x86/crypto/ghash-clmulni-intel_glue.c |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/x86/crypto/ghash-clmulni-intel_glue.c
+++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c
@@ -291,6 +291,7 @@ static struct ahash_alg ghash_async_alg
 			.cra_name		= "ghash",
 			.cra_driver_name	= "ghash-clmulni",
 			.cra_priority		= 400,
+			.cra_ctxsize		= sizeof(struct ghash_async_ctx),
 			.cra_flags		= CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC,
 			.cra_blocksize		= GHASH_BLOCK_SIZE,
 			.cra_type		= &crypto_ahash_type,


Patches currently in stable-queue which might be from aryabinin@odin.com are

queue-3.10/crypto-ghash-clmulni-specify-context-size-for-ghash-async-algorithm.patch