linux-kernel - Re: [PATCH v2] cgroup: pids: fix invalid get/put usage

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Message-ID: <20150825182007.GC26785@mtj.duckdns.org>
Date:	Tue, 25 Aug 2015 14:20:07 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Aleksa Sarai <cyphar@...har.com>
Cc:	n.borisov@...eground.com, linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org
Subject: Re: [PATCH v2] cgroup: pids: fix invalid get/put usage

On Tue, Aug 25, 2015 at 12:50:44PM +1000, Aleksa Sarai wrote:
> Fix incorrect usage of css_get and css_put to put a different css in
> pids_{cancel_,}attach() than the one grabbed in pids_can_attach(). This
> could lead to quite serious memory leakage (and unsafe operations on the
> putted css).
> 
> Signed-off-by: Aleksa Sarai <cyphar@...har.com>

Applied to cgroup/for-4.3 w/ minor comment update.

Thanks.

-- 
tejun
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