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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: netdev@vger.kernel.org, hagen@jauu.net, stable@kernel.org,
	xiaosuo@gmail.com, wirelesser@gmail.com,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	David Miller <davem@davemloft.net>,
	Pavel Emelyanov <xemul@openvz.org>
Subject: Re: PATCH] filter: fix sk_filter rcu handling
Date: Sun, 05 Dec 2010 22:28:42 +0100	[thread overview]
Message-ID: <1291584522.2806.304.camel@edumazet-laptop> (raw)
In-Reply-To: <20101205210840.GB7668@basil.fritz.box>

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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  reply	other threads:[~2010-12-05 21:28 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-30  9:22 multi bpf filter will impact performance? Rui
2010-11-30  9:34 ` Eric Dumazet
     [not found]   ` <AANLkTi=VpmnrXTBNV7McQm6mq9ULT7KTKbM8_hLPoL=2@mail.gmail.com>
     [not found]     ` <1291127670.2904.96.camel@edumazet-laptop>
2010-12-01  3:48       ` Rui
2010-12-01  4:03         ` Eric Dumazet
2010-12-01  7:45           ` [PATCH net-next-2.6] filter: add SKF_AD_RXHASH and SKF_AD_CPU Eric Dumazet
2010-12-01  8:03             ` Changli Gao
2010-12-06 21:02             ` David Miller
2010-12-03  9:40           ` multi bpf filter will impact performance? Junchang Wang
2010-12-01  7:36         ` Changli Gao
2010-12-01  7:47           ` Eric Dumazet
2010-12-01  7:59             ` Changli Gao
2010-12-01  8:09               ` Eric Dumazet
2010-12-01  8:15                 ` Changli Gao
2010-12-01  8:42                   ` Eric Dumazet
2010-12-01 17:22                     ` Hagen Paul Pfeifer
2010-12-01 18:18                       ` David Miller
2010-12-01 18:24                         ` David Miller
2010-12-01 18:24                         ` Eric Dumazet
2010-12-01 18:44                           ` David Miller
2010-12-01 19:48                             ` Eric Dumazet
2010-12-01 20:23                               ` David Miller
2010-12-01 20:45                                 ` [PATCH net-next-2.6] filter: add a security check at install time Eric Dumazet
2010-12-02  2:30                                   ` Changli Gao
2010-12-02  6:46                                     ` Eric Dumazet
2010-12-02  8:11                                       ` Changli Gao
2010-12-02  8:53                                         ` Eric Dumazet
2010-12-02  9:00                                           ` Eric Dumazet
2010-12-02  9:10                                             ` Changli Gao
2010-12-02  9:54                                               ` Eric Dumazet
2010-12-02 10:10                                                 ` Changli Gao
2010-12-02 11:15                                                   ` Eric Dumazet
2010-12-02 11:29                                                     ` Changli Gao
2010-12-02 13:14                                                       ` Eric Dumazet
2010-12-02 10:59                                             ` Changli Gao
2010-12-06 21:07                                       ` David Miller
2010-12-03  6:32                         ` multi bpf filter will impact performance? Eric Dumazet
2010-12-05 20:53                           ` PATCH] filter: fix sk_filter rcu handling Eric Dumazet
2010-12-05 21:08                             ` Andi Kleen
2010-12-05 21:28                               ` Eric Dumazet [this message]
2010-12-06 17:29                             ` David Miller
2010-11-30 10:01 ` multi bpf filter will impact performance? Eric Dumazet
2010-11-30 11:17 ` Eric Dumazet

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