linux-kernel - Re: [PATCH] tracefs: Restrict tracefs when the kernel is locked down

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Message-ID: <20190730214803.6d06da65@oasis.local.home>
Date:   Tue, 30 Jul 2019 21:48:03 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Matthew Garrett <matthewgarrett@...gle.com>
Cc:     jmorris@...ei.org, linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        Matthew Garrett <mjg59@...gle.com>
Subject: Re: [PATCH] tracefs: Restrict tracefs when the kernel is locked
 down

On Tue, 30 Jul 2019 11:47:34 -0700
Matthew Garrett <matthewgarrett@...gle.com> wrote:

> Tracefs may release more information about the kernel than desirable, so
> restrict it when the kernel is locked down in confidentiality mode by
> preventing open().
> 
> Signed-off-by: Matthew Garrett <mjg59@...gle.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>

Reviewed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve