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Open Source and information security mailing list archives
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Date: Wed, 21 Nov 2012 09:58:56 +0000 (GMT) From: MyungJoo Ham <myungjoo.ham@...sung.com> To: Kees Cook <keescook@...omium.org> Cc: LKML <linux-kernel@...r.kernel.org>, Serge Hallyn <serge.hallyn@...onical.com> Subject: Re: opp_get_notifier() needs to be under rcu_lock? > 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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