netdev - Re: [OOPS] In __netif_receive_skb

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Message-ID: <1452565288.1223.10.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 11 Jan 2016 18:21:28 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Salam Noureddine <noureddine@...sta.com>
Cc:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Pali Rohár <pali.rohar@...il.com>,
	Network Development <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Sebastian Reichel <sre@...nel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [OOPS] In __netif_receive_skb_core

On Mon, 2016-01-11 at 17:19 -0800, Salam Noureddine wrote:
> It must be that skb->dev was changed to NULL inside of
> __netif_receive_skb_core, otherwise we would have crashed much
> earlier. Also, orig_dev is saved at the beginning. Possibly a device
> is layered on top of the original device.

Please do not top post on netdev / lkml mailing lists.

My guess is a protocol handler queued the skb without calling
skb_share_check()