From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stable-owner@vger.kernel.org>
Received: from mail.linuxfoundation.org ([140.211.169.12]:34402 "EHLO
        mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1033454AbeBOTv5 (ORCPT
        <rfc822;stable@vger.kernel.org>); Thu, 15 Feb 2018 14:51:57 -0500
Date: Thu, 15 Feb 2018 20:51:57 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Eric Biggers <ebiggers3@gmail.com>
Cc: stable@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Dmitry Vyukov <dvyukov@google.com>,
        Vegard Nossum <vegard.nossum@gmail.com>,
        Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: Apply "vfs: don't do RCU lookup of empty pathnames" to stable
Message-ID: <20180215195157.GA18090@kroah.com>
References: <20180215191137.GA197331@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20180215191137.GA197331@gmail.com>
Sender: stable-owner@vger.kernel.org
List-ID: <stable.vger.kernel.org>

On Thu, Feb 15, 2018 at 11:11:37AM -0800, Eric Biggers wrote:
> Hi Greg, here's another one.  When you have a chance can you please apply commit
> c0eb027e5aef ("vfs: don't do RCU lookup of empty pathnames") to the stable
> trees?  I can reproduce the use-after-free on 4.4-stable and 4.9-stable, and it
> is fixed by the patch.  And I wasn't able to check 3.18 because KASAN isn't
> available there, but I think the bug there as well.  Thanks,

Thanks for this, I'll queue it up for the next round of stable patches
after this one.

greg k-h