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Date: Tue, 10 Oct 2017 20:06:07 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Subject: Re: Please backport: vfs: deny copy_file_range() for non regular
 files
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On Sat, Oct 07, 2017 at 09:19:33PM -0400, Theodore Ts'o wrote:
> Hi, please cherry pick the following upstream commit:
> 
>    11cbfb10775a: vfs: deny copy_file_range() for non regular files
> 
> to 3.18, 4.1, 4.4, and 4.9 LTS stable kernels.

It does not apply to the 3.18 or 4.4 stable kernels.  It worked for 4.9.
Don't care about 4.1 :)

Do you have a working backport anywhere?

thanks,

greg k-h