netdev - Re: [stable] PATCH] filter: fix sk

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Message-ID: <1291584522.2806.304.camel@edumazet-laptop>
Date:	Sun, 05 Dec 2010 22:28:42 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	hagen@...u.net, xiaosuo@...il.com, wirelesser@...il.com,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, stable@...nel.org,
	Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [stable] PATCH] filter: fix sk_filter rcu handling

Le dimanche 05 décembre 2010 à 22:08 +0100, Andi Kleen a écrit :
> > While working on this, I found an annoying problem with current code.
> > 
> > This patch is a stable candidate.
> 
> Does this actually fix a real world problem someone is experiencing? 
> "Theoretical races" are normally outside stable's scope.
> 
> -Andi

I guess its a security problem.

We can probably write a program, run by unpriviledge user to crash the
machine.

I am not sure I want to spend time to write this program, I have other
more interesting topics, but some hackers probably want to.



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