linux-hardening - Re: [PATCH] net: mdio: replace deprecated strncpy with strscpy

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Date: Fri, 13 Oct 2023 14:05:30 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Justin Stitt <justinstitt@...gle.com>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"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: mdio: replace deprecated strncpy with strscpy

On Thu, Oct 12, 2023 at 03:01:06PM -0700, Justin Stitt wrote:
> On Thu, Oct 12, 2023 at 2:59 PM Andrew Lunn <andrew@...n.ch> wrote:
> >
> > On Thu, Oct 12, 2023 at 09:53:03PM +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.
> >
> > Hi Justin
> >
> > You just sent two patches with the same Subject. That got me confused
> > for a while, is it a resend? A new version?
> 
> Yep, just saw this.
> 
> I'm working (top to bottom) on a list of strncpy hits. I have an automated tool
> fetch the prefix and update the subject line accordingly. They are two separate
> patches but ended up with the same exact subject line due to oversight and
> over-automation.
> 
> Looking for guidance:
> Should I combine them into one patch?

No, it is fine. Just try to avoid it in the future.

    Andrew