linux-hardening - Re: [PATCH v5 0/2] string: Add load_unaligned_zeropad() code path to sized

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Message-Id: <174370080532.3186212.8943506811501747476.b4-ty@kernel.org>
Date: Thu,  3 Apr 2025 10:20:07 -0700
From: Kees Cook <kees@...nel.org>
To: Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Shevchenko <andy@...nel.org>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Mark Rutland <mark.rutland@....com>,
	Peter Collingbourne <pcc@...gle.com>
Cc: Kees Cook <kees@...nel.org>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()

On Wed, 02 Apr 2025 17:06:58 -0700, Peter Collingbourne wrote:
> This series fixes an issue where strscpy() would sometimes trigger
> a false positive KASAN report with MTE.
> 
> v5:
> - add test for unreadable first byte of strscpy() source
> 
> v4:
> - clarify commit message
> - improve comment
> 
> [...]

Applied to for-next/hardening, thanks!

[1/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()
      https://git.kernel.org/kees/c/acc66d46810d
[2/2] kasan: Add strscpy() test to trigger tag fault on arm64
      https://git.kernel.org/kees/c/48ac25ef250d

Take care,

-- 
Kees Cook