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

From: Jason A. Donenfeld
Date: Mon Sep 26 2022 - 06:06:33 EST


Hi Geert,

On 9/26/22, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> On Fri, Sep 23, 2022 at 7:03 PM Jason A. Donenfeld <Jason@xxxxxxxxx> 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@xxxxxxxxx>
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

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?

Jason