linux-kernel - Re: [PATCH 3.2 085/115] veth: don’t modify ip_summed; doing so treats packets with bad checksums as good.

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Message-ID: <1461780469.5102.0.camel@decadent.org.uk>
Date:	Wed, 27 Apr 2016 20:07:49 +0200
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Ben Greear <greearb@...delatech.com>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, "David S. Miller" <davem@...emloft.net>,
	Vijay Pandurangan <vijayp@...ayp.ca>,
	Cong Wang <cwang@...pensource.com>, netdev@...r.kernel.org,
	Evan Jones <ej@...njones.ca>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Phil Sutter <phil@....cc>,
	Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
Subject: Re: [PATCH 3.2 085/115] veth: don’t modify
 ip_summed; doing so treats packets with bad checksums as good.

On Wed, 2016-04-27 at 08:59 -0700, Ben Greear wrote:
> On 04/26/2016 04:02 PM, Ben Hutchings wrote:
> > 
> > 3.2.80-rc1 review patch.  If anyone has any objections, please let me know.
> I would be careful about this.  It causes regressions when sending
> PACKET_SOCKET buffers from user-space to veth devices.
> 
> There was a proposed upstream fix for the regression, but it has not gone
> into the tree as far as I know.
> 
> http://www.spinics.net/lists/netdev/msg370436.html
[...]

OK, I'll drop this for now.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
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