linux-kernel - Re: NULL pointer dereference when loading the gre module (3.10.0-rc4)

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Message-ID: <20130607085421.GF15083@uio.no>
Date:	Fri, 7 Jun 2013 10:54:21 +0200
From:	"Steinar H. Gunderson" <sgunderson@...foot.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, davem@...emloft.net,
	netdev@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: NULL pointer dereference when loading the gre module (3.10.0-rc4)

On Thu, Jun 06, 2013 at 11:06:48PM -0400, Steven Rostedt wrote:
> Note the faulting address is 0xffffffffa0e52001, which is around the
> above address, be interesting to know what was at that location.

Doh, I looked at the wrong place in kallsyms:

ffffffffa0e52000 u ip_tunnel_init_net   [ip_gre]
ffffffffa0e55000 t gre_err      [gre]
ffffffffa0e5503d t gre_gso_send_check   [gre]
ffffffffa0e55053 t gre_rcv      [gre]

So it's really ip_tunnel_init_net+1.

/* Steinar */
-- 
Homepage: http://www.sesse.net/
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