netdev - Re: ordering of call to unbind() in usbnet

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Date:   Thu, 31 Mar 2022 11:35:35 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Lukas Wunner <lukas@...ner.de>, Oliver Neukum <oneukum@...e.com>
CC:     Andrew Lunn <andrew@...n.ch>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Oleksij Rempel <linux@...pel-privat.de>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: ordering of call to unbind() in usbnet_disconnect



On 21.03.22 11:17, Lukas Wunner wrote:
> On Thu, Mar 17, 2022 at 04:53:34PM +0100, Oliver Neukum wrote:
>
> By the way: 2c9d6c2b871d caused breakage in smsc95xx.c which was
> subsequently fixed by a049a30fc27c.  That in turn required another
> fix, 0bf3885324a8.  Some of these code changes will have to be
> rolled back or adjusted after reverting 2c9d6c2b871d.  It's a giant mess.
> It's possible that more drivers saw fixes due to 2c9d6c2b871d,
> I haven't checked that yet.
Very well, but in order to do so, I guess we need a fix first.
>
> Oliver, why did you want to revert 2c9d6c2b871d, i.e. in which drivers
> have your users reported breakage?  Do you have bugzilla links?
I made the patch in response to a security report about a DOS attack

    Regards
        Oliver