From: David Miller <davem@davemloft.net>
To: g.nault@alphalink.fr
Cc: netdev@vger.kernel.org, jchapman@katalix.com,
tparkin@katalix.com, sd@queasysnail.net
Subject: Re: [PATCH net 0/2] l2tp: fix some races in session deletion
Date: Mon, 25 Sep 2017 14:45:01 -0700 (PDT) [thread overview]
Message-ID: <20170925.144501.1323337645764754009.davem@davemloft.net> (raw)
In-Reply-To: <cover.1506086081.git.g.nault@alphalink.fr>
From: Guillaume Nault <g.nault@alphalink.fr>
Date: Fri, 22 Sep 2017 15:39:22 +0200
> L2TP provides several interfaces for deleting sessions. Using two of
> them concurrently can lead to use-after-free bugs.
>
> Patch #2 uses a flag to prevent double removal of L2TP sessions.
> Patch #1 fixes a bug found in the way. Fixing this bug is also
> necessary for patch #2 to handle all cases.
>
> This issue is similar to the tunnel deletion bug being worked on by
> Sabrina: https://patchwork.ozlabs.org/patch/814173/
Series applied and queued up for -stable, thanks.
prev parent reply other threads:[~2017-09-25 21:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-22 13:39 [PATCH net 0/2] l2tp: fix some races in session deletion Guillaume Nault
2017-09-22 13:39 ` [PATCH net 1/2] l2tp: ensure sessions are freed after their PPPOL2TP socket Guillaume Nault
2017-09-22 13:39 ` [PATCH net 2/2] l2tp: fix race between l2tp_session_delete() and l2tp_tunnel_closeall() Guillaume Nault
2017-09-25 21:45 ` David Miller [this message]
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