netdev - Re: [PATCH] mac80211_hwsim: Add missing check for HWSIM_ATTR

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Date:	Tue, 31 May 2016 12:12:07 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Martin Willi <martin@...ongswan.org>
Cc:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] mac80211_hwsim: Add missing check for HWSIM_ATTR_SIGNAL

On Fri, 2016-05-13 at 12:41 +0200, Martin Willi wrote:
> A wmediumd that does not send this attribute causes a NULL pointer
> dereference, as the attribute is accessed even if it does not exist.
> 
> The attribute was required but never checked ever since userspace
> frame
> forwarding has been introduced. The issue gets more problematic once
> we
> allow wmediumd registration from user namespaces.
> 
Applied, thanks.

johannes