linux-kernel - Re: [PATCH RESEND] lockdown: Allow unprivileged users to see lockdown status

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Message-ID: <alpine.LRH.2.21.2005150327590.26489@namei.org>
Date:   Fri, 15 May 2020 03:28:08 +1000 (AEST)
From:   James Morris <jmorris@...ei.org>
To:     Jeremy Cline <jcline@...hat.com>
cc:     "Serge E . Hallyn" <serge@...lyn.com>,
        Matthew Garrett <matthewgarrett@...gle.com>,
        David Howells <dhowells@...hat.com>,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, "Frank Ch . Eigler" <fche@...hat.com>
Subject: Re: [PATCH RESEND] lockdown: Allow unprivileged users to see lockdown
 status

On Thu, 14 May 2020, Jeremy Cline wrote:

> A number of userspace tools, such as systemtap, need a way to see the
> current lockdown state so they can gracefully deal with the kernel being
> locked down. The state is already exposed in
> /sys/kernel/security/lockdown, but is only readable by root. Adjust the
> permissions so unprivileged users can read the state.
> 
> Fixes: 000d388ed3bb ("security: Add a static lockdown policy LSM")
> Cc: Frank Ch. Eigler <fche@...hat.com>
> Signed-off-by: Jeremy Cline <jcline@...hat.com>

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next-general


-- 
James Morris
<jmorris@...ei.org>