netdev - Re: [PATCH 1/1] net: fix cipso packet validation when !NETLABEL

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Message-Id: <20131019.185622.980013031770966870.davem@davemloft.net>
Date:	Sat, 19 Oct 2013 18:56:22 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	paul@...l-moore.com
Cc:	seif.mazareeb@...il.com, netdev@...r.kernel.org, seif@...vell.com
Subject: Re: [PATCH 1/1] net: fix cipso packet validation when !NETLABEL

From: Paul Moore <paul@...l-moore.com>
Date: Fri, 18 Oct 2013 17:01:11 -0400

> On Thursday, October 17, 2013 08:33:21 PM Seif Mazareeb wrote:
>> From: Seif Mazareeb <seif@...vell.com>
>> 
>> When CONFIG_NETLABEL is disabled, the cipso_v4_validate() function could
>> loop forever in the main loop if opt[opt_iter +1] == 0, this will causing a
>> kernel crash in an SMP system, since the CPU executing this function will
>> stall /not respond to IPIs.
>> 
>> This problem can be reproduced by running the IP Stack Integrity Checker
>> (http://isic.sourceforge.net) using the following command on a Linux machine
>> connected to DUT:
>> 
>> "icmpsic -s rand -d <DUT IP address> -r 123456"
>> wait (1-2 min)
>> 
>> Signed-off-by: Seif Mazareeb <seif@...vell.com>
> 
> This version imported properly for me.
> 
> Acked-by: Paul Moore <paul@...l-moore.com>

Applied and queued up for -stable, thanks!
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