netdev - Re: l2tp stable request

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Date:   Fri, 23 Mar 2018 15:58:18 +0100
From:   Guillaume Nault <g.nault@...halink.fr>
To:     Daniel Rosenberg <drosen@...gle.com>
Cc:     netdev@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Subject: Re: l2tp stable request

On Thu, Mar 22, 2018 at 05:55:30PM -0700, Daniel Rosenberg wrote:
> f3c66d4e144a0904ea9b95d23ed9f8eb38c11bfb        l2tp: prevent creation of
> sessions on terminated tunnels
> 9ee369a405c57613d7c83a3967780c3e30c52ecc        l2tp: initialise session's
> refcount before making it reachable
> dbdbc73b44782e22b3b4b6e8b51e7a3d245f3086        l2tp: fix duplicate session
> creation
> 61b9a047729bb230978178bca6729689d0c50ca2        l2tp: fix race in
> l2tp_recv_common()
> 
> For v3.18+. It requires some minor backporting.
> 
> Without these, I'm seeing a null pointer in l2tp_session_create. These logs
> are from a 3.18 kernel, although I was able to hit it on a 4.4 kernel I
> tested as well.
> 
No objection from me. Let me know if there are any difficulties with a
backport.

Guillaume