linux-kernel - Re: [Intel-wired-lan] bug with rx-udp-gro-forwarding offloading?

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Date:   Wed, 28 Jun 2023 17:14:45 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     Ian Kumlien <ian.kumlien@...il.com>
Cc:     Alexander Lobakin <aleksander.lobakin@...el.com>,
        intel-wired-lan <intel-wired-lan@...ts.osuosl.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-wired-lan] bug with rx-udp-gro-forwarding offloading?

On Wed, 2023-06-28 at 14:04 +0200, Ian Kumlien wrote:
> So have some hits, would it be better without your warn on? ... Things
> are a bit slow atm - lets just say that i noticed the stacktraces
> because a stream stuttered =)

Sorry, I screwed-up completely a newly added check.

If you have Kasan enabled you can simply and more safely remove my 2nd
patch. Kasan should be able to catch all the out-of-buffer scenarios
such checks were intended to prevent.

Cheers,

Paolo