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[3.13.y-ckt,stable] Patch "NFSv4.1: Fix an Oops in nfs41_walk_client_list" has been added to staging queue

Message ID 1426796487-18255-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa March 19, 2015, 8:21 p.m. UTC
This is a note to let you know that I have just added a patch titled

    NFSv4.1: Fix an Oops in nfs41_walk_client_list

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11-ckt17.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 4ecbf323abdedc80abf4a5188d2a4e7fe4e616b7 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Wed, 21 Jan 2015 14:37:44 -0500
Subject: NFSv4.1: Fix an Oops in nfs41_walk_client_list

commit 3175e1dcec40fab1a444c010087f2068b6b04732 upstream.

If we start state recovery on a client that failed to initialise correctly,
then we are very likely to Oops.

Reported-by: "Mkrtchyan, Tigran" <tigran.mkrtchyan@desy.de>
Link: http://lkml.kernel.org/r/130621862.279655.1421851650684.JavaMail.zimbra@desy.de
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 fs/nfs/nfs4client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.9.1
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Patch

diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 14c8af6..baa9bfb 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -636,7 +636,7 @@  int nfs41_walk_client_list(struct nfs_client *new,
 			prev = pos;

 			status = nfs_wait_client_init_complete(pos);
-			if (status == 0) {
+			if (pos->cl_cons_state == NFS_CS_SESSION_INITING) {
 				nfs4_schedule_lease_recovery(pos);
 				status = nfs4_wait_clnt_recover(pos);
 			}