linux-kernel - Re: [PATCH] net/bridge/br_if.c: fix possible use-after-free in port_carrier

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Message-ID: <20070221092936.GA2311@ff.dom.local>
Date:	Wed, 21 Feb 2007 10:29:36 +0100
From:	Jarek Poplawski <jarkao2@...pl>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...sign.ru>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S\. Miller" <davem@...emloft.net>,
	David Howells <dhowells@...hat.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/bridge/br_if.c: fix possible use-after-free in port_carrier_check()

On Wed, Feb 21, 2007 at 09:23:45AM +0100, Jarek Poplawski wrote:
...
> I have known issues with RCU, but dare to disagree here.
> It's done during call_rcu, so anything RCU friendly shouldn't
> see this at the moment at all. It could be needed for those
> with refcounting - than it should be checked, if there is
> anything more than port_carrier_check.

Sorry for this than-ing!
(It's my next favorite issue after RCU.)

Jarek P.
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