linux-kernel - Re: [PATCH 0/8] stackleak: fixes and rework

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: <202204251551.0CFE01DF4@keescook>
Date:   Mon, 25 Apr 2022 15:54:00 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        akpm@...ux-foundation.org, alex.popov@...ux.com,
        catalin.marinas@....com, luto@...nel.org, will@...nel.org
Subject: Re: [PATCH 0/8] stackleak: fixes and rework

On Mon, Apr 25, 2022 at 12:55:55PM +0100, Mark Rutland wrote:
> This series reworks the stackleak code. The first patch fixes some
> latent issues on arm64, and the subsequent patches improve the code to
> improve clarity and permit better code generation.

This looks nice; thanks! I'll put this through build testing and get it
applied shortly...

> While the improvement is small, I think the improvement to clarity and
> code generation is a win regardless.

Agreed. I also want to manually inspect the resulting memory just to
make sure things didn't accidentally regress. There's also an LKDTM test
for basic functionality.

-Kees

-- 
Kees Cook