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

xprtrdma: Cancel refresh worker during buffer shutdown

to the 4.9-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: xprtrdma-cancel-refresh-worker-during-buffer-shutdown.patch and it can be found in the queue-4.9 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 Mar 22 14:40:23 CET 2018

From: Chuck Lever chuck.lever@oracle.com Date: Tue, 11 Apr 2017 13:22:29 -0400 Subject: xprtrdma: Cancel refresh worker during buffer shutdown

From: Chuck Lever chuck.lever@oracle.com

[ Upstream commit 9378b274e1eb6925db315e345f48850d2d5d9789 ]

Trying to create MRs while the transport is being torn down can cause a crash.

Fixes: e2ac236c0b65 ("xprtrdma: Allocate MRs on demand") Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Anna Schumaker Anna.Schumaker@Netapp.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/sunrpc/xprtrdma/verbs.c | 1 + 1 file changed, 1 insertion(+)

--- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1054,6 +1054,7 @@ void rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) { cancel_delayed_work_sync(&buf->rb_recovery_worker); + cancel_delayed_work_sync(&buf->rb_refresh_worker);

while (!list_empty(&buf->rb_recv_bufs)) { struct rpcrdma_rep *rep;

Patches currently in stable-queue which might be from chuck.lever@oracle.com are

queue-4.9/xprtrdma-cancel-refresh-worker-during-buffer-shutdown.patch