From 057d6332b24a4497c55a761c83c823eed9e3f23b Mon Sep 17 00:00:00 2001
From: Chen Gang <gang.chen@asianux.com>
Date: Fri, 19 Jul 2013 09:01:36 +0800
Subject: [PATCH] cifs: extend the buffer length enought for sprintf() using

For cifs_set_cifscreds() in "fs/cifs/connect.c", 'desc' buffer length
is 'CIFSCREDS_DESC_SIZE' (56 is less than 256), and 'ses->domainName'
length may be "255 + '\0'".

The related sprintf() may cause memory overflow, so need extend related
buffer enough to hold all things.

It is also necessary to be sure of 'ses->domainName' must be less than
256, and define the related macro instead of hard code number '256'.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Scott Lovenberg <scott.lovenberg@gmail.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
---
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