linux-kernel - Re: [PATCH] net: ena: replace deprecated strncpy with strscpy

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Message-Id: <170138158571.3648714.3841499997574845448.b4-ty@chromium.org>
Date:   Thu, 30 Nov 2023 13:59:48 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Shay Agroskin <shayagr@...zon.com>,
        Arthur Kiyanovski <akiyano@...zon.com>,
        David Arinzon <darinzon@...zon.com>,
        Noam Dagan <ndagan@...zon.com>,
        Saeed Bishara <saeedb@...zon.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
Subject: Re: [PATCH] net: ena: replace deprecated strncpy with strscpy

On Thu, 05 Oct 2023 00:56:08 +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.
> 
> NUL-padding is not necessary as host_info is initialized to
> `ena_dev->host_attr.host_info` which is ultimately zero-initialized via
> alloc_etherdev_mq().
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] net: ena: replace deprecated strncpy with strscpy
      https://git.kernel.org/kees/c/111f5a435d33

Take care,

-- 
Kees Cook