linux-kernel - Re: [PATCH 1/3] x86: fix access_ok() and valid_user_address() using wrong USER_PTR

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Message-ID: <20251104161359.GDaQomRwYqr0hbYitC@fat_crate.local>
Date: Tue, 4 Nov 2025 17:13:59 +0100
From: Borislav Petkov <bp@...en8.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mateusz Guzik <mjguzik@...il.com>,
	the arch/x86 maintainers <x86@...nel.org>, brauner@...nel.org,
	viro@...iv.linux.org.uk, jack@...e.cz, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, tglx@...utronix.de, pfalcato@...e.de
Subject: Re: [PATCH 1/3] x86: fix access_ok() and valid_user_address() using
 wrong USER_PTR_MAX in modules

On Tue, Nov 04, 2025 at 11:25:44AM +0100, Borislav Petkov wrote:
> On Tue, Nov 04, 2025 at 03:25:20PM +0900, Linus Torvalds wrote:
> > Borislav - comments?
> 
> LGTM at a quick glance but lemme take it for a spin around the hw jungle here
> later and give it a more thorough look, once I've put out all the daily
> fires...

Did a deeper look, did randbuilds, boots fine on a couple of machines, so all
good AFAIIC.

I sincerely hope that helps.

-- 
Regards/Gruss,
    Boris.

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