Re: opp_get_notifier() needs to be under rcu_lock?
From: MyungJoo Ham
Date: Wed Nov 21 2012 - 04:58:51 EST
> 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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