linux-kernel - Re: [RFC] cgroups: implement device whitelist lsm (v2)

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Message-ID: <6599ad830803151759w27d0a5cfgbfa9fab54c224751@mail.gmail.com>
Date:	Sun, 16 Mar 2008 08:59:06 +0800
From:	"Paul Menage" <menage@...gle.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	"Pavel Emelyanov" <xemul@...nvz.org>,
	"James Morris" <jmorris@...ei.org>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-security-module@...r.kernel.org, "Greg KH" <greg@...ah.com>,
	"Stephen Smalley" <sds@...ch.ncsc.mil>,
	"Casey Schaufler" <casey@...aufler-ca.com>
Subject: Re: [RFC] cgroups: implement device whitelist lsm (v2)

On Fri, Mar 14, 2008 at 10:42 PM, Serge E. Hallyn <serue@...ibm.com> wrote:
>
>  cgroup hooks next to the lsm hooks.  So in fs/namei.c where there are
>  security_inode_permission() hooks, there would also be
>  cgroup_inode_permission() hooks to let the devices cgroup mediate the
>  access.  Well, in permission(), probably not in exec_permission_lite()
>  since that's probalby not a device access  :)

This would just be a device cgroup-specific thing, right? Nothing to
do with the generic framework? If so, then that sounds fine (to me, at
least).

Paul
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