linux-kernel - Re: net: phy: realtek: regression, kernel null pointer dereference

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Message-ID: <20190513130131.jiommbisqvydmzgw@mobilestation>
Date:   Mon, 13 May 2019 16:01:33 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     g@...n.ch, Vicente Bergas <vicencb@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: net: phy: realtek: regression, kernel null pointer dereference

On Mon, May 13, 2019 at 02:51:03PM +0200, Andrew Lunn wrote:
> > Ahh, I see. Then using lock-less version of the access methods must fix the
> > problem. You could try something like this:
> 
> Kunihiko Hayash is way ahead of you.
> 
> 	 Andrew

I wouldn't say that five hours is "way ahead". But if something fixes a bug in
a patch it would be good to be have the original author being Cc'ed.

Vincente, here is a link to the patch, that fixes the problem.
https://lkml.org/lkml/2019/5/13/43

-Segey