From: Eric Dumazet <eric.dumazet@gmail.com>
To: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
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, 07 Jun 2013 06:40:41 -0700 [thread overview]
Message-ID: <1370612441.24311.411.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130607085421.GF15083@uio.no>
On Fri, 2013-06-07 at 10:54 +0200, Steinar H. Gunderson wrote:
> 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 */
" u " for ip_tunnel_init_net ?
Looks like someone forgot taking refcounts on a module ...
CC Pravin B Shelar, as this probably comes from commit
c54419321455631079c7d6e60bc732dd0c5914c5
("GRE: Refactor GRE tunneling code.")
next prev parent reply other threads:[~2013-06-07 13:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20130606221656.GA11475@uio.no>
2013-06-07 3:06 ` NULL pointer dereference when loading the gre module (3.10.0-rc4) 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 [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1370612441.24311.411.camel@edumazet-glaptop \
--to=eric.dumazet@gmail.com \
--cc=davem@davemloft.net \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pshelar@nicira.com \
--cc=rostedt@goodmis.org \
--cc=rusty@rustcorp.com.au \
--cc=sgunderson@bigfoot.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox