Patch "NFS: Fix use after free in write error path" has been added to the 4.9-stable tree

Patch "NFS: Fix use after free in write error path" has been added to the 4.9-stable tree

[gregkh]

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

    NFS: Fix use after free in write error path

to the 4.9-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:
     nfs-fix-use-after-free-in-write-error-path.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 1f84ccdf37d0db3a70714d02d51b0b6d45887fb8 Mon Sep 17 00:00:00 2001
From: Fred Isaman <fred.isaman@gmail.com>
Date: Fri, 14 Apr 2017 14:24:28 -0400
Subject: NFS: Fix use after free in write error path

From: Fred Isaman <fred.isaman@gmail.com>

commit 1f84ccdf37d0db3a70714d02d51b0b6d45887fb8 upstream.

Signed-off-by: Fred Isaman <fred.isaman@gmail.com>
Fixes: 0bcbf039f6b2b ("nfs: handle request add failure properly")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/nfs/write.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -548,9 +548,9 @@ static void nfs_write_error_remove_page(
 {
 	nfs_unlock_request(req);
 	nfs_end_page_writeback(req);
-	nfs_release_request(req);
 	generic_error_remove_page(page_file_mapping(req->wb_page),
 				  req->wb_page);
+	nfs_release_request(req);
 }
 
 /*


Patches currently in stable-queue which might be from fred.isaman@gmail.com are

queue-4.9/nfs-fix-use-after-free-in-write-error-path.patch