netdev - Re: [PATCH v1 1/1] ipv4: Prevent malformed UFO fragments in ip_append

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Message-ID: <1465831003.7945.161.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Mon, 13 Jun 2016 08:16:43 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Steven Caron <steven.caron@...band.com>
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Cong Wang <xiyou.wangcong@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH v1 1/1] ipv4: Prevent malformed UFO fragments in
 ip_append_page

On Mon, 2016-06-13 at 14:01 +0000, Steven Caron wrote:
> As  the ip fragment offset field counts 8-byte chunks, non-final ip
> fragments must be multiples of 8 bytes of payload. Depending  on the
> mtu and ip option sizes, ip_append_page wasn't respecting this,
> notably when running NFS under UDP.
> 
> Signed-off-by: Steven Caron <steven.caron@...band.com>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.com>