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From: MyungJoo Ham <myungjoo.ham@samsung.com>
To: Kees Cook <keescook@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Serge Hallyn <serge.hallyn@canonical.com>
Subject: Re: opp_get_notifier() needs to be under rcu_lock?
Date: Wed, 21 Nov 2012 09:58:56 +0000 (GMT)	[thread overview]
Message-ID: <5729011.20441353491935757.JavaMail.weblogic@epml17> (raw)

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> Hi,
> 
> It looks like find_device_opp() (called from opp_get_notifier()) needs
> to be under RCU read lock, but this doesn't seem to be happening in
> drivers/devfreq/devfreq.c. Doesn't this run the risk of referencing a
> freed variable?
> 
> Thanks,
> 
> -Kees

Yes, that's an issue requiring updates.

Thank you for pointing out.



Cheers,
MyungJoo

> 
> -- 
> Kees Cook
> Chrome OS Security
> 


       
  
         

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             reply	other threads:[~2012-11-21  9:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-21  9:58 MyungJoo Ham [this message]
  -- strict thread matches above, loose matches on Subject: below --
2012-11-20 20:08 opp_get_notifier() needs to be under rcu_lock? Kees Cook

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