This is a note to let you know that I've just added the patch titled
target/iscsi: Fix mutual CHAP auth on big-endian arches
to the 3.4-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:
target-iscsi-fix-mutual-chap-auth-on-big-endian-arches.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7ac9ad11b2a5cf77a92b58ee6b672ad2fa155eb1 Mon Sep 17 00:00:00 2001
From: Andy Grover <agrover@xxxxxxxxxx>
Date: Mon, 4 Mar 2013 13:52:09 -0800
Subject: target/iscsi: Fix mutual CHAP auth on big-endian arches
From: Andy Grover <agrover@xxxxxxxxxx>
commit 7ac9ad11b2a5cf77a92b58ee6b672ad2fa155eb1 upstream.
See https://bugzilla.redhat.com/show_bug.cgi?id=916290
Used a temp var since we take its address in sg_init_one.
Signed-off-by: Andy Grover <agrover@xxxxxxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/target/iscsi/iscsi_target_auth.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -166,6 +166,7 @@ static int chap_server_compute_md5(
{
char *endptr;
unsigned long id;
+ unsigned char id_as_uchar;
unsigned char digest[MD5_SIGNATURE_SIZE];
unsigned char type, response[MD5_SIGNATURE_SIZE * 2 + 2];
unsigned char identifier[10], *challenge = NULL;
@@ -355,7 +356,9 @@ static int chap_server_compute_md5(
goto out;
}
- sg_init_one(&sg, &id, 1);
+ /* To handle both endiannesses */
+ id_as_uchar = id;
+ sg_init_one(&sg, &id_as_uchar, 1);
ret = crypto_hash_update(&desc, &sg, 1);
if (ret < 0) {
pr_err("crypto_hash_update() failed for id\n");
Patches currently in stable-queue which might be from agrover@xxxxxxxxxx are
queue-3.4/target-iscsi-fix-mutual-chap-auth-on-big-endian-arches.patch
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