netdev - Re: [PATCH] net: phy: Fix potential null pointer access

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Mon, 20 Nov 2023 09:51:34 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Lukas Funke <lukas.funke-oss@...dmueller.com>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Lukas Funke <lukas.funke@...dmueller.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: Fix potential null pointer access

On Mon, Nov 20, 2023 at 10:32:54AM +0100, Lukas Funke wrote:
> From: Lukas Funke <lukas.funke@...dmueller.com>
> 
> When there is no driver associated with the phydev, there will be a
> nullptr access. The commit checks if the phydev driver is set before
> access.

What's the call path that we encounter a NULL drv pointer?

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!