linux-kernel - Re: [RFC net-next v4 1/2] net: phy: phy_device: Prevent nullptr exceptions on ISR

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 for Android: free password hash cracker in your pocket

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

Message-ID: <57ea16c1-530b-40c9-8f94-973c9595923c@lunn.ch>
Date: Mon, 29 Jan 2024 14:29:18 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Andre Werner <andre.werner@...tec-electronic.com>
Cc: hkallweit1@...il.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, linux@...linux.org.uk,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC net-next v4 1/2] net: phy: phy_device: Prevent nullptr
 exceptions on ISR

On Sun, Jan 21, 2024 at 08:54:48PM +0100, Andre Werner wrote:
> If phydev->irq is set unconditionally, check
> for valid interrupt handler or fall back to polling mode to prevent
> nullptr exceptions in interrupt service routine.
> 
> Signed-off-by: Andre Werner <andre.werner@...tec-electronic.com>

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

    Andrew