linux-kernel - Re: [PATCH] Staging: unisys: verify that a control channel exists

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Message-ID: <20140404201154.GA12617@kroah.com>
Date:	Fri, 4 Apr 2014 13:11:54 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	jkc@...hat.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: unisys: verify that a control channel exists

On Fri, Apr 04, 2014 at 02:38:24PM -0400, Sasha Levin wrote:
> The code didn't verify that a control channel exists before trying to
> use it. It caused NULL ptr derefs which were easy to trigger by an
> unpriviliged user simply by reading the proc file, causing:

Ugh, what a mess...

Thanks for this, I'll queue it up after 3.15-rc1 is out.

greg k-h
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