netdev - Re: [PATCH v2] virtio-net: free bufs correctly on invalid packet length

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Message-ID: <CANJ5vPJp+6NyeT+bbfGSS0TS+Em4Qx3GTb3a2uTrs5jAAPgeBw@mail.gmail.com>
Date:	Fri, 6 Dec 2013 15:32:48 -0800
From:	Michael Dalton <mwdalton@...gle.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Andrey Vagin <avagin@...nvz.org>,
	lf-virt <virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH v2] virtio-net: free bufs correctly on invalid packet length

Hi David,

This patch fixes a bug introduced by 2613af0ed18a ("virtio_net:
migrate mergeable rx buffers to page frag allocators"). The bug
is present in both net-next and net. Thanks

Best,

Mike

On Fri, Dec 6, 2013 at 1:32 PM, David Miller <davem@...emloft.net> wrote:
> From: Michael Dalton <mwdalton@...gle.com>
> Date: Thu,  5 Dec 2013 13:14:05 -0800
>
>> When a packet with invalid length arrives, ensure that the packet
>> is freed correctly if mergeable packet buffers and big packets
>> (GUEST_TSO4) are both enabled.
>>
>> Signed-off-by: Michael Dalton <mwdalton@...gle.com>
>
> Applied, is this needed for -stable?
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