Re: FAILED: patch "[PATCH] NFS: Fix memory leaks and corruption in readdir" failed to apply to 4.9-stable tree

[Sasha Levin <sashal@kernel.org>]

On Sun, Feb 09, 2020 at 12:24:10PM +0100, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.9-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 4b310319c6a8ce708f1033d57145e2aa027a883c Mon Sep 17 00:00:00 2001
>From: Trond Myklebust <trondmy@gmail.com>
>Date: Sun, 2 Feb 2020 17:53:53 -0500
>Subject: [PATCH] NFS: Fix memory leaks and corruption in readdir
>
>nfs_readdir_xdr_to_array() must not exit without having initialised
>the array, so that the page cache deletion routines can safely
>call nfs_readdir_clear_array().
>Furthermore, we should ensure that if we exit nfs_readdir_filler()
>with an error, we free up any page contents to prevent a leak
>if we try to fill the page again.
>
>Fixes: 11de3b11e08c ("NFS: Fix a memory leak in nfs_readdir")
>Cc: stable@vger.kernel.org # v2.6.37+
>Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
>Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
>Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

I also took b044f6451384 ("NFS: switch back to to ->iterate()") and
queued both for 4.9 and 4.4.

-- 
Thanks,
Sasha