linux-kernel - Re: [PATCH v2] HID: uhid: replace deprecated strncpy with strscpy

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Message-Id: <170138156214.3648538.12067944211375143947.b4-ty@chromium.org>
Date:   Thu, 30 Nov 2023 13:59:24 -0800
From:   Kees Cook <keescook@...omium.org>
To:     David Rheinsberg <david@...dahead.eu>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Justin Stitt <justinstitt@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2] HID: uhid: replace deprecated strncpy with strscpy

On Tue, 03 Oct 2023 21:01:58 +0000, Justin Stitt wrote:
> `strncpy` is deprecated for use on NUL-terminated destination strings
> [1] and as such we should prefer more robust and less ambiguous string
> interfaces.
> 
> A suitable replacement is `strscpy` [2] due to the fact that it
> guarantees NUL-termination on the destination buffer without
> unnecessarily NUL-padding.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] HID: uhid: replace deprecated strncpy with strscpy
      https://git.kernel.org/kees/c/d4011f6817ae

Take care,

-- 
Kees Cook