linux-hardening - Re: [PATCH 0/4] LoadPin: Allow filesystem switch when not enforcing

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Date:   Mon, 12 Dec 2022 15:32:33 -0600
From:   "Serge E. Hallyn" <serge@...lyn.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 0/4] LoadPin: Allow filesystem switch when not enforcing

On Fri, Dec 09, 2022 at 11:57:41AM -0800, Kees Cook wrote:
> Hi,
> 
> Right now, LoadPin isn't much use on general purpose distros since modules
> tend to be loaded from multiple filesystems at boot (first initramfs,
> then real rootfs). Allow the potential mount pin to move when enforcement
> is not enabled.
> 
> -Kees

Reviewed-by: Serge Hallyn <serge@...lyn.com>

to the set, thanks.

> 
> Kees Cook (4):
>   LoadPin: Refactor read-only check into a helper
>   LoadPin: Refactor sysctl initialization
>   LoadPin: Move pin reporting cleanly out of locking
>   LoadPin: Allow filesystem switch when not enforcing
> 
>  security/loadpin/loadpin.c | 89 ++++++++++++++++++++++----------------
>  1 file changed, 52 insertions(+), 37 deletions(-)
> 
> -- 
> 2.34.1