linux-kernel - Re: [PATCH v2] net: dsa: lan9303: use ethtool_sprintf() for lan9303_get

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Message-Id: <170138159609.3648803.17052375712894034660.b4-ty@chromium.org>
Date:   Thu, 30 Nov 2023 13:59:58 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Justin Stitt <justinstitt@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Alexander Lobakin <aleksander.lobakin@...el.com>
Subject: Re: [PATCH v2] net: dsa: lan9303: use ethtool_sprintf() for lan9303_get_strings()

On Thu, 05 Oct 2023 18:56:50 +0000, Justin Stitt wrote:
> This pattern of strncpy with some pointer arithmetic setting fixed-sized
> intervals with string literal data is a bit weird so let's use
> ethtool_sprintf() as this has more obvious behavior and is less-error
> prone.
> 
> Nicely, we also get to drop a usage of the now deprecated strncpy() [1].
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] net: dsa: lan9303: use ethtool_sprintf() for lan9303_get_strings()
      https://git.kernel.org/kees/c/f1c7720549bf

Take care,

-- 
Kees Cook