linux-kernel - Re: [PATCH v3 1/3] m68k: process bootinfo records before saving them

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Message-ID: <CAMuHMdVsFQC6RKbYO2x+9esf_j6H7ySJhQ6yPocf9feJRN4b2w@mail.gmail.com>
Date:   Mon, 26 Sep 2022 12:08:36 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] m68k: process bootinfo records before saving them

Hi Jason,

On Mon, Sep 26, 2022 at 12:06 PM Jason A. Donenfeld <Jason@...c4.com> wrote:
> On 9/26/22, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > On Fri, Sep 23, 2022 at 7:03 PM Jason A. Donenfeld <Jason@...c4.com> wrote:
> >> The RNG seed boot record is memzeroed after processing, in order to
> >> preserve forward secrecy. By saving the bootinfo for procfs prior to
> >> that, forward secrecy is violated, since it becomes possible to recover
> >> past states. So, save the bootinfo block only after first processing
> >> them.
> >>
> >> Fixes: a1ee38ab1a75 ("m68k: virt: Use RNG seed from bootinfo block")
> >> Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
> Thanks for the review.
>
> Did you intend to take these 3 patches through your m68k tree, or did
> you want me to take them for some reason instead?

This is all TBD, see the comments I'm writing on the other patches ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds