This is a note to let you know that I've just added the patch titled
cifs: fix parsing of hostname in dfs referrals
to the 2.6.36-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:
cifs-fix-parsing-of-hostname-in-dfs-referrals.patch
and it can be found in the queue-2.6.36 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From ba03864872691c0bb580a7fb47388da337ef4aa2 Mon Sep 17 00:00:00 2001
From: Jeff Layton <[email protected]>
Date: Tue, 30 Nov 2010 15:14:48 -0500
Subject: cifs: fix parsing of hostname in dfs referrals
From: Jeff Layton <[email protected]>
commit ba03864872691c0bb580a7fb47388da337ef4aa2 upstream.
The DFS referral parsing code does a memchr() call to find the '\\'
delimiter that separates the hostname in the referral UNC from the
sharename. It then uses that value to set the length of the hostname via
pointer subtraction. Instead of subtracting the start of the hostname
however, it subtracts the start of the UNC, which causes the code to
pass in a hostname length that is 2 bytes too long.
Regression introduced in commit 1a4240f4.
Reported-and-Tested-by: Robbert Kouprie <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
Cc: Wang Lei <[email protected]>
Cc: David Howells <[email protected]>
Signed-off-by: Steve French <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/cifs/dns_resolve.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/cifs/dns_resolve.c
+++ b/fs/cifs/dns_resolve.c
@@ -66,7 +66,7 @@ dns_resolve_server_name_to_ip(const char
/* Search for server name delimiter */
sep = memchr(hostname, '\\', len);
if (sep)
- len = sep - unc;
+ len = sep - hostname;
else
cFYI(1, "%s: probably server name is whole unc: %s",
__func__, unc);
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.36/nfs-handle-lock-context-allocation-failures-in-nfs_create_request.patch
queue-2.6.36/cifs-fix-parsing-of-hostname-in-dfs-referrals.patch
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