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From: Jarek Poplawski <jarkao2@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: emil.s.tantilov@intel.com, jeffrey.t.kirsher@intel.com,
	netdev@vger.kernel.org
Subject: Re: [BUG] NULL pointer dereference in skb_dequeue
Date: Sun, 3 Aug 2008 11:50:36 +0200	[thread overview]
Message-ID: <20080803095036.GA3017@ami.dom.local> (raw)
In-Reply-To: <20080803092926.GA2971@ami.dom.local>

On Sun, Aug 03, 2008 at 11:29:26AM +0200, Jarek Poplawski wrote:
...
> After some re-checking one more question: why do you think this
> qdisc_root_lock() is safe as sch_tree_lock() (or anywhere else)? It
> seems, eg. during deactivation it can get root_lock of qdisc_default,
> and proceed with another qdisc?

I've just seen this new patch with ASSERT_RTNL(), so now I understand.

Jarek P.

  reply	other threads:[~2008-08-03  9:50 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-01 23:40 [BUG] NULL pointer dereference in skb_dequeue Jeff Kirsher
2008-08-02  1:03 ` David Miller
2008-08-02  1:20   ` David Miller
2008-08-02  9:36     ` Tantilov, Emil S
2008-08-02 13:37       ` Jarek Poplawski
2008-08-02 16:27         ` Jarek Poplawski
2008-08-02 19:18           ` David Miller
2008-08-02 19:22             ` David Miller
2008-08-02 19:45               ` Tantilov, Emil S
2008-08-02 21:46                 ` Tantilov, Emil S
2008-08-03  2:26                   ` David Miller
2008-08-08 19:38                     ` Tantilov, Emil S
2008-08-09  7:29                       ` David Miller
2008-08-09 22:32                         ` Jarek Poplawski
2008-08-10 19:04                           ` Jarek Poplawski
2008-08-11 10:01                             ` Jarek Poplawski
2008-08-11 23:26                               ` Paul E. McKenney
2008-08-12  6:36                                 ` Jarek Poplawski
2008-08-12 13:42                                   ` Paul E. McKenney
2008-08-12 18:09                                     ` Jarek Poplawski
2008-08-12 20:18                                       ` Paul E. McKenney
2008-08-12 21:15                                         ` Jarek Poplawski
2008-08-12 22:33                                           ` Paul E. McKenney
2008-08-02 20:19             ` Jarek Poplawski
2008-08-03  9:29               ` Jarek Poplawski
2008-08-03  9:50                 ` Jarek Poplawski [this message]
2008-08-03  9:56                 ` David Miller
2008-08-03 10:08                   ` Jarek Poplawski

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