netdev - Re: [BUG] net_cls: Panic occured when net

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Date:	Sat, 30 May 2009 09:31:37 -0400
From:	jamal <hadi@...erus.ca>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	Minoru Usui <mi.usui@...il.com>,
	Minoru Usui <usui@....nes.nec.co.jp>, netdev@...r.kernel.org,
	containers@...ts.linux-foundation.org
Subject: Re: [BUG] net_cls: Panic occured when net_cls subsystem use

On Sat, 2009-05-30 at 15:20 +0200, Jarek Poplawski wrote:

> Yes it oopses in cls_cgroup_classify(). Here is the first report:
> http://permalink.gmane.org/gmane.linux.network/128593
> 

Oopsing in classify is after the fact though. It should not have been
linked to begin with (because wrong config was passed from user space).
As far as cls_group is concerned that is an illegitimate config - thats
why it failed it.

What were you suggesting to change in cls_group to avoid this oops?

> We add/link unconfigured tp, but it could be destroyed later, so I
> wouldn't call this a memory leak.

Indeed - call it "We add/link unconfigured tp".

Anyways, a nice sun just came out over here and i am off to run 
some chores. If you respond you will hear from me in a few hours.

cheers,
jamal

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