From: Denys Fedoryschenko <denys@visp.net.lb>
To: Greg KH <gregkh@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: unable to handle kernel NULL pointer / tty / 2.6.31-vanilla/ still persists
Date: Tue, 15 Sep 2009 19:06:14 +0300 [thread overview]
Message-ID: <200909151906.15043.denys@visp.net.lb> (raw)
In-Reply-To: <20090915150455.GA22282@suse.de>
This time i didnt notice anything suspicious. From daemons - zebra,
ssh/telnet, snmpd (net-snmp). Job - NAT/firewall, QoS (HFSC/HTB) and routing.
Nothing else (it is semi-embedded system with busybox).
Sep 15 10:04:46 10.22.24.2 globax: [default][2846]B/G 0/100|buf
1328692B+4478B/941P 69428216/942/74260 (globalproof1) spd 996330<1875000 sock
128000>64000>64000 rtt 0.393943 delay 0 pps 705 so 0 st 0 dr
Sep 15 10:04:50 10.22.24.2 ripd[5017]: rip_read: cannot find interface for
packet from 80.83.24.49 port 520
Sep 15 10:04:51 10.22.24.2 kernel: [273169.803628] BUG: unable to handle
kernel NULL pointer dereference at (null)
Sep 15 10:04:51 10.22.24.2 kernel: [273169.803710] IP: [<c0250f08>]
process_echoes+0x65/0x240
Sep 15 10:04:51 10.22.24.2 kernel: [273169.803785] *pdpt = 000000002f97d001
*pde = 0000000000000000
Latest ssh bruteforce attempts was 10-20 minutes ago.
On Tuesday 15 September 2009 18:04:55 Greg KH wrote:
> On Tue, Sep 15, 2009 at 10:32:53AM +0300, Denys Fedoryschenko wrote:
> > Kernel 2.6.31-rc7
> > x86 , 32-bit
> > gcc 4.4.1
> >
> > Happened on heavy network load, looks like as previous one, seems problem
> > still persists.
> > It is hyperthreading Xeon, as i heard on such CPU's SMP bugs most easy to
> > trigger. But for me triggered after few days of operation.
> >
> > Here is oops:
>
> Ugh.
>
> What are you doing at the time of this happening? What kind of load is
> on the system?
>
> thanks,
>
> greg k-h
next prev parent reply other threads:[~2009-09-15 16:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-15 7:32 unable to handle kernel NULL pointer / tty / 2.6.31-vanilla/ still persists Denys Fedoryschenko
2009-09-15 15:04 ` Greg KH
2009-09-15 16:06 ` Denys Fedoryschenko [this message]
2009-09-17 9:35 ` Frederic Weisbecker
2009-09-17 9:58 ` Denys Fedoryschenko
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=200909151906.15043.denys@visp.net.lb \
--to=denys@visp.net.lb \
--cc=gregkh@suse.de \
--cc=linux-kernel@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.