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

Geert Uytterhoeven
2022-09-26T09:57:19Z

On Fri, Sep 23, 2022 at 7:03 PM Jason A. Donenfeld <Jason@zx2c4.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@zx2c4.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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