linux-kernel - Re: [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures

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Message-ID: <CAGXu5j+UfR94xAoKsyZY9dhzREH-b2fhTAtQLfX33BhDdMVweA@mail.gmail.com>
Date:   Tue, 5 Jun 2018 05:19:50 -0700
From:   Kees Cook <keescook@...omium.org>
To:     "Serge E. Hallyn" <serge@...lyn.com>
Cc:     Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <james.l.morris@...cle.com>,
        Paul Moore <paul@...l-moore.com>,
        linux-integrity <linux-integrity@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        David Howells <dhowells@...hat.com>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        Eric Biederman <ebiederm@...ssion.com>,
        Kexec Mailing List <kexec@...ts.infradead.org>,
        Andres Rodriguez <andresx7@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Jessica Yu <jeyu@...nel.org>
Subject: Re: [PATCH v4 0/8] kexec/firmware: support system wide policy
 requiring signatures

On Mon, Jun 4, 2018 at 9:09 PM, Serge E. Hallyn <serge@...lyn.com> wrote:
> Personally I agree with Eric and prefer a new hook.  I don't feel strongly
> enough about it to keep bikeshedding, but since this set already exists,
> it seems like the way to go.

And the new hook is "load stuff without a file descriptor"?

-Kees

-- 
Kees Cook
Pixel Security