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Message-ID: <202310091130.BC94148F@keescook> Date: Mon, 9 Oct 2023 11:30:13 -0700 From: Kees Cook <keescook@...omium.org> To: Justin Stitt <justinstitt@...gle.com> Cc: Hauke Mehrtens <hauke@...ke-m.de>, 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>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH] net: dsa: lantiq_gswip: replace deprecated strncpy with ethtool_sprintf On Mon, Oct 09, 2023 at 06:24:20PM +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. > > ethtool_sprintf() is designed specifically for get_strings() usage. > Let's replace strncpy in favor of this more robust and easier to > understand interface. > > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] > Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2] > Link: https://github.com/KSPP/linux/issues/90 > Cc: linux-hardening@...r.kernel.org > Signed-off-by: Justin Stitt <justinstitt@...gle.com> Looks like the expected replacement. Thanks! Reviewed-by: Kees Cook <keescook@...omium.org> -- Kees Cook
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