Patch "crypto: s390 - fix aes,des ctr mode concurrency finding." has been added to the 3.10-stable tree

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

    crypto: s390 - fix aes,des ctr mode concurrency finding.

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-s390-fix-aes-des-ctr-mode-concurrency-finding.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@xxxxxxxxxxxxxxx> know about it.


>From 3901c1124ec5099254a9396085f7798153a7293f Mon Sep 17 00:00:00 2001
From: Harald Freudenberger <freude@xxxxxxxxxxxxxxxxxx>
Date: Wed, 7 May 2014 16:51:29 +0200
Subject: crypto: s390 - fix aes,des ctr mode concurrency finding.

From: Harald Freudenberger <freude@xxxxxxxxxxxxxxxxxx>

commit 3901c1124ec5099254a9396085f7798153a7293f upstream.

An additional testcase found an issue with the last
series of patches applied: the fallback solution may
not save the iv value after operation. This very small
fix just makes sure the iv is copied back to the
walk/desc struct.

Signed-off-by: Harald Freudenberger <freude@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/s390/crypto/aes_s390.c |    3 +++
 arch/s390/crypto/des_s390.c |    3 +++
 2 files changed, 6 insertions(+)

--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -818,6 +818,9 @@ static int ctr_aes_crypt(struct blkciphe
 		else
 			memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
 		spin_unlock(&ctrblk_lock);
+	} else {
+		if (!nbytes)
+			memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE);
 	}
 	/*
 	 * final block may be < AES_BLOCK_SIZE, copy only nbytes
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -429,6 +429,9 @@ static int ctr_desall_crypt(struct blkci
 		else
 			memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
 		spin_unlock(&ctrblk_lock);
+	} else {
+		if (!nbytes)
+			memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE);
 	}
 	/* final block may be < DES_BLOCK_SIZE, copy only nbytes */
 	if (nbytes) {


Patches currently in stable-queue which might be from freude@xxxxxxxxxxxxxxxxxx are

queue-3.10/crypto-s390-fix-aes-des-ctr-mode-concurrency-finding.patch
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