netdev - Re: [PATCH v2 0/4] xen: harden netfront against malicious backends

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Message-ID: <YTsxTKNlL1KgMhB3@mail-itl>
Date:   Fri, 10 Sep 2021 12:19:56 +0200
From:   Marek Marczykowski-Górecki 
        <marmarek@...isiblethingslab.com>
To:     Jan Beulich <jbeulich@...e.com>
Cc:     Juergen Gross <jgross@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        xen-devel@...ts.xenproject.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/4] xen: harden netfront against malicious backends

On Tue, Aug 24, 2021 at 05:33:10PM +0200, Jan Beulich wrote:
> On 24.08.2021 12:28, Juergen Gross wrote:
> > It should be mentioned that a similar series has been posted some years
> > ago by Marek Marczykowski-Górecki, but this series has not been applied
> > due to a Xen header not having been available in the Xen git repo at
> > that time. Additionally my series is fixing some more DoS cases.
> 
> With this, wouldn't it have made sense to Cc Marek, in case he wants to
> check against his own version (which over time may have evolved and
> hence not match the earlier submission anymore)?

I have compared this, and the blkfront series against my patches and
they seem to cover exactly the same set of issues. Besides one comment I
made separately, I think nothing is missing. Thanks!

BTW, shouldn't those those patches land in stable branches too? In some
threat models, I'd qualify them as security fixes.

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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