linux-kernel - Re: [PATCH v2] lkdtm/bugs: Don't expect thread termination without CONFIG_UBSAN

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Message-ID: <202204131421.0E83CACC7@keescook>
Date:   Wed, 13 Apr 2022 14:22:23 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Konstantin Ryabitsev <konstantin@...uxfoundation.org>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2] lkdtm/bugs: Don't expect thread termination without
 CONFIG_UBSAN_TRAP

On Wed, Apr 13, 2022 at 04:57:14PM -0400, Konstantin Ryabitsev wrote:
> On Tue, Apr 12, 2022 at 04:06:20PM -0700, Kees Cook wrote:
> > Also, Konstantin, I note that
> > https://git.kernel.org/pub/scm/docs/kernel/pgpkeys.git/
> > does not have a .keyring/ed25519 directory. Should it? 
> 
> No, because it's not a "pgpkey". :)
> 
> > I added one
> > locally for at least one other developer, as I use this setting:
> > 
> > [patatt]
> >         keyringsrc = ~/korg/pgpkeys/.keyring
> > 
> > Am I holding this thing wrong? :)
> 
> Nope, but you can also list multiple locations where patatt can look, for
> example:
> 
> [patatt]
>        keyringsrc = ~/korg/pgpkeys/.keyring
>        keyringsrc = ~/.local/share/patatt/public
> 
> In fact, if you take Christophe's patches all the time, you can add a keyring
> ref to your tree. The process is documented here:
> https://github.com/mricon/patatt#managing-the-keyring-large-teams
> 
> This way I'm not managing the keys of your trusted contributors.
> 
> I'll be happy to explain further -- in fact, I'm happy anyone uses it at all!
> :)

I read emails out of order. :) Thanks!

If the expectation is other kernel devs are using ed25519 over gpg,
should there be a central repo for those?

-- 
Kees Cook