netdev - Re: [PATCH net] ipvlan: fix use after free of skb

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Message-Id: <20151117.144001.631233956285820166.davem@davemloft.net>
Date:	Tue, 17 Nov 2015 14:40:01 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	sd@...asysnail.net
Cc:	netdev@...r.kernel.org, maheshb@...gle.com
Subject: Re: [PATCH net] ipvlan: fix use after free of skb

From: Sabrina Dubroca <sd@...asysnail.net>
Date: Mon, 16 Nov 2015 22:44:53 +0100

> ipvlan_handle_frame is a rx_handler, and when it returns a value other
> than RX_HANDLER_CONSUMED (here, NET_RX_DROP aka RX_HANDLER_ANOTHER),
> __netif_receive_skb_core expects that the skb still exists and will
> process it further, but we just freed it.
> 
> Fixes: 2ad7bf363841 ("ipvlan: Initial check-in of the IPVLAN driver.")
> Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>

Applied.
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