linux-kernel - Re: [4.4.y PATCH] Revert "ovl: modify ovl_permission() to do checks on two inodes"

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Date:   Fri, 7 Feb 2020 11:13:08 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ioanna Alifieraki <ioanna-maria.alifieraki@...onical.com>
Cc:     ioanna.alifieraki@...il.com, jay.vosburgh@...onical.com,
        miklos@...redi.hu, linux-unionfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        srivatsa@...il.mit.edu
Subject: Re: [4.4.y PATCH] Revert "ovl: modify ovl_permission() to do checks
 on two inodes"

On Tue, Feb 04, 2020 at 06:49:58PM +0000, Ioanna Alifieraki wrote:
> This reverts commit b24be4acd17a8963a29b2a92e1d80b9ddf759c95.
> 
> Commit b24be4acd17a ("ovl: modify ovl_permission() to do checks on two
> inodes") (stable kernel  id) breaks r/w access in overlayfs when setting
> ACL to files, in 4.4 stable kernel. There is an available reproducer in
> [1].

Thanks, now reverted.

greg k-h