linux-hardening - Re: [PATCH 00/82] overflow: Refactor open-coded arithmetic wrap-around

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: <202401282226.A4C1153769@keescook>
Date: Sun, 28 Jan 2024 22:27:29 -0800
From: Kees Cook <keescook@...omium.org>
To: Mark Rutland <mark.rutland@....com>
Cc: linux-hardening@...r.kernel.org,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/82] overflow: Refactor open-coded arithmetic
 wrap-around

On Tue, Jan 23, 2024 at 09:46:35AM +0000, Mark Rutland wrote:
> This also misses the include/linux/atomic/atomic-arch-fallback.h
> implementations. Those are generated from the scripts/atomic/fallbacks/*
> templates, and you'll need to adjust at least fetch_add_unless and
> inc_unless_negative. As noted on other patches, my preference is to use
> add_wrap() in those.

How do I regenerate the header files using the templates? I found a
script, but its use eluded me, and it doesn't seem wired up to the
top-level Makefile? Maybe I missed something obvious...

-- 
Kees Cook