From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
linux-kernel@vger.kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>,
Pravin B Shelar <pshelar@nicira.com>
Subject: Re: NULL pointer dereference when loading the gre module (3.10.0-rc4)
Date: Fri, 7 Jun 2013 19:52:33 +0200 [thread overview]
Message-ID: <20130607175233.GA20230@uio.no> (raw)
In-Reply-To: <1370621543.9844.78.camel@gandalf.local.home>
On Fri, Jun 07, 2013 at 12:12:23PM -0400, Steven Rostedt wrote:
>> Ffffffffa0e76000 u ip_tunnel_init_net [ip_gre]
> What do you get if you do an objdump -Dr ip_gre.ko
>
> And then look for ipgre_init, and then subtract 0xb053 (45139) from its
> address. As that is: ffffffffa0e81055 - ffffffffa0e76002, then see if
> that object file has anything in that location.
pannekake:~> objdump -Dr /lib/modules/3.10.0-rc4/kernel/net/ipv4/ip_gre.ko | grep ipgre_init
0000000000000000 <ipgre_init_net>:
0: 8b 35 00 00 00 00 mov 0x0(%rip),%esi # 6 <ipgre_init_net+0x6>
13: e8 00 00 00 00 callq 18 <ipgre_init_net+0x18>
Ie., the symbol doesn't show up in the disassembly (for whatever reason).
/* Steinar */
--
Homepage: http://www.sesse.net/
next prev parent reply other threads:[~2013-06-07 17:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-06 22:16 NULL pointer dereference when loading the gre module (3.10.0-rc4) Steinar H. Gunderson
2013-06-07 3:06 ` Steven Rostedt
2013-06-07 3:59 ` Eric Dumazet
2013-06-07 8:31 ` Steinar H. Gunderson
2013-06-13 10:01 ` David Miller
2013-06-07 8:27 ` Steinar H. Gunderson
2013-06-07 8:43 ` Steinar H. Gunderson
2013-06-07 8:54 ` Steinar H. Gunderson
2013-06-07 13:40 ` Eric Dumazet
2013-06-07 15:15 ` Steven Rostedt
2013-06-07 15:46 ` Steinar H. Gunderson
2013-06-07 16:12 ` Steven Rostedt
2013-06-07 17:52 ` Steinar H. Gunderson [this message]
2013-06-07 18:26 ` Steven Rostedt
2013-06-07 18:34 ` Steinar H. Gunderson
2013-06-07 18:44 ` Steven Rostedt
2013-06-07 18:46 ` Steinar H. Gunderson
2013-06-07 20:26 ` Eric Dumazet
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