linux-kernel - Re: [RFC PATCH 3/3] x86/microcode: Taint and warn on late loading

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Yo5SupgZjT/a1p5m@zn.tnic>
Date:   Wed, 25 May 2022 18:00:58 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     Peter Zijlstra <peterz@...radead.org>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 3/3] x86/microcode: Taint and warn on late loading

On Wed, May 25, 2022 at 03:40:50PM +0000, Luck, Tony wrote:
> That's very 1990's thinking. We have Unicode available now.
> We could start using Emoji like U+1F4A9 as a taint character :-)

LOL: U+1F4A9 PILE OF POO. Some fancy terminals might even show it
properly.

And sounds about the right one in this case.

> That sounds better than a string of Emoji (also better than the
> current string of upper case characters).

Yeah, we need to think about it. I would be lying if I said I had never
wondered before where a taint flag got set. Saving the address has a
problem when multiple times the same flag gets set - only the last
address will be there.

But I guess we can try it.

/me puts on todo.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette