linux-kernel - Re: [PATCH net V3 2/2] macvtap: signal truncated packets

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Date:	Wed, 11 Dec 2013 15:26:33 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	jasowang@...hat.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	vyasevich@...il.com, wuzhy@...ux.vnet.ibm.com, mst@...hat.com
Subject: Re: [PATCH net V3 2/2] macvtap: signal truncated packets

From: Jason Wang <jasowang@...hat.com>
Date: Wed, 11 Dec 2013 13:08:34 +0800

> macvtap_put_user() never return a value grater than iov length, this in fact
> bypasses the truncated checking in macvtap_recvmsg(). Fix this by always
> returning the size of packet plus the possible vlan header to let the trunca
> checking work.
> 
> Cc: Vlad Yasevich <vyasevich@...il.com>
> Cc: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
> Cc: Michael S. Tsirkin <mst@...hat.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Also applied and queued up for -stable, thanks.
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