Re: [PATCH v3 0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()

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To: Kees Cook <kees@xxxxxxxxxx>
Subject: Re: [PATCH v3 0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()
From: Peter Collingbourne <pcc@xxxxxxxxxx>
Date: Wed, 26 Mar 2025 10:12:54 -0700
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andy Shevchenko <andy@xxxxxxxxxx>, Andrey Konovalov <andreyknvl@xxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-hardening@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
In-reply-to: <202503251242.FFDB6940@keescook>

On Tue, Mar 25, 2025 at 12:43 PM Kees Cook <kees@xxxxxxxxxx> wrote:
>
> On Mon, Mar 24, 2025 at 06:56:13PM -0700, Peter Collingbourne wrote:
> > This series fixes an issue where strscpy() would sometimes trigger
> > a false positive KASAN report with MTE.
>
> Thanks! Should this go via string API (me) or KASAN?

Let's take this via string API.

Peter

References:
- [PATCH v3 0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()
  - From: Peter Collingbourne
- Re: [PATCH v3 0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()
  - From: Kees Cook

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