netdev - Re: 3.7.3+: Bad paging request in ip_rcv_finish while running NFS traffic.

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Message-ID: <1358948110.12374.748.camel@edumazet-glaptop>
Date:	Wed, 23 Jan 2013 05:35:10 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Ben Greear <greearb@...delatech.com>
Cc:	netdev <netdev@...r.kernel.org>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>
Subject: Re: 3.7.3+:  Bad paging request in ip_rcv_finish while running NFS
 traffic.

On Tue, 2013-01-22 at 23:14 -0800, Ben Greear wrote:

> How are the non-ref-counted dst objects used safely?  Any chance
> that tearing down the IP protocol on a device (or deleting a device)
> could delete a dst that is referenced by an skb (and thus crashes as
> I see)?

There is probably a bug. Normally it should be RCU protected.



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