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

grace: replace BUG_ON by WARN_ONCE in exit_net hook

to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: grace-replace-bug_on-by-warn_once-in-exit_net-hook.patch and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Thu Feb 1 14:14:46 CET 2018

From: Vasily Averin vvs@virtuozzo.com Date: Mon, 6 Nov 2017 16:22:48 +0300 Subject: grace: replace BUG_ON by WARN_ONCE in exit_net hook

From: Vasily Averin vvs@virtuozzo.com

[ Upstream commit b872285751c1af010e12d02bce7069e2061a58ca ]

Signed-off-by: Vasily Averin vvs@virtuozzo.com Signed-off-by: J. Bruce Fields bfields@redhat.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/nfs_common/grace.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/fs/nfs_common/grace.c +++ b/fs/nfs_common/grace.c @@ -104,7 +104,9 @@ grace_exit_net(struct net *net) { struct list_head *grace_list = net_generic(net, grace_net_id);

- BUG_ON(!list_empty(grace_list)); + WARN_ONCE(!list_empty(grace_list), + "net %x %s: grace_list is not empty\n", + net->ns.inum, __func__); }

static struct pernet_operations grace_net_ops = {

Patches currently in stable-queue which might be from vvs@virtuozzo.com are

queue-4.4/lockd-fix-list_add-double-add-caused-by-legacy-signal-interface.patch queue-4.4/grace-replace-bug_on-by-warn_once-in-exit_net-hook.patch