netdev - Re: [PATCH v3] net: macb: Add __nonstring annotations for unterminated strings

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Message-ID: <634dbbef-d7c0-41ec-8614-efee824142a9@lunn.ch>
Date: Thu, 13 Mar 2025 14:25:09 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Kees Cook <kees@...nel.org>
Cc: Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"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 v3] net: macb: Add __nonstring annotations for
 unterminated strings

>  struct gem_statistic {
> -	char stat_string[ETH_GSTRING_LEN];
> +	char stat_string[ETH_GSTRING_LEN] __nonstring;

This general pattern of a char foo[ETH_GSTRING_LEN]' will appear
throughout drivers/net/ethernet. Maybe Coccinelle can find them all
and add the __nonstring ?

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew