linux-kernel - Re: [PATCH v1 12/19] ACPICA: Introduce ACPI

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Message-ID: <202504301134.2EF987A@keescook>
Date: Wed, 30 Apr 2025 11:35:22 -0700
From: Kees Cook <kees@...nel.org>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Linux ACPI <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Bob Moore <robert.moore@...el.com>,
	Saket Dumbre <saket.dumbre@...el.com>
Subject: Re: [PATCH v1 12/19] ACPICA: Introduce ACPI_NONSTRING

On Fri, Apr 25, 2025 at 09:27:58PM +0200, Rafael J. Wysocki wrote:
> From: Kees Cook <kees@...nel.org>
> 
> ACPICA commit 878823ca20f1987cba0c9d4c1056be0d117ea4fe
> 
> In order to distinguish character arrays from C Strings (i.e. strings with
> a terminating NUL character), add support for the "nonstring" attribute
> provided by GCC. (A better name might be "ACPI_NONCSTRING", but that's
> the attribute name, so stick to the existing naming convention.)
> 
> GCC 15's -Wunterminated-string-initialization will warn about truncation
> of the NUL byte for string initializers unless the destination is marked
> with "nonstring". Prepare for applying this attribute to the project.
> 
> Link: https://github.com/acpica/acpica/commit/878823ca
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Whoops, I missed adding my S-o-b to the original upstream ACPICA commit.
Please consider this:

Signed-off-by: Kees Cook <kees@...nel.org>

-- 
Kees Cook