From: Marcel Holtmann <marcel@holtmann.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Oliver Hartkopp <oliver@hartkopp.net>,
Linux Netdev List <netdev@vger.kernel.org>,
linux-bluetooth@vger.kernel.org
Subject: Re: tty_register_device NULL pointer dereference in 2.6.31-rc4
Date: Sat, 25 Jul 2009 13:07:33 +0200 [thread overview]
Message-ID: <1248520053.28545.156.camel@violet> (raw)
In-Reply-To: <20090725115011.7ddf8d00@lxorguk.ukuu.org.uk>
Hi Alan,
> > this morning i got a NULL pointer dereference in tty_register_device() that
> > looked similar to the one, i posted here on 03-jun-2009:
> >
> > http://marc.info/?l=linux-bluetooth&m=124404919324542&w=2
> >
> > As the boot sequence stopped after this point, i was only able to take a
> > picture of it - see attached jpg.
> >
> > I was able to shut down the system gracefully by pressing the power button.
> >
> > The problem emerges really seldom.
> >
> > Any idea?
>
> tty_register_device appears to have been called with a NULL pointer. Not
> sure why however.
if that is the pointer for the struct device, then that used to be fine
in the past. Not all RFCOMM device have a parent when they are created.
Regards
Marcel
next prev parent reply other threads:[~2009-07-25 11:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-25 10:01 tty_register_device NULL pointer dereference in 2.6.31-rc4 Oliver Hartkopp
2009-07-25 10:50 ` Alan Cox
2009-07-25 11:07 ` Marcel Holtmann [this message]
2009-07-25 12:10 ` Alan Cox
[not found] ` <20090725131046.0f076f37-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2009-07-27 9:59 ` Dave Young
2009-07-27 11:12 ` Oliver Hartkopp
2009-07-27 11:39 ` Oliver Hartkopp
[not found] ` <4A6D91D7.6030204-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2009-07-27 14:07 ` Dave Young
2009-07-29 14:00 ` Oliver Hartkopp
2009-07-30 9:15 ` Dave Young
2009-07-30 10:05 ` Oliver Hartkopp
[not found] ` <4A717083.5090101-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2009-07-31 9:39 ` Dave Young
2009-07-31 10:10 ` Dave Young
2009-07-31 11:20 ` Oliver Hartkopp
[not found] ` <4A72D373.7080802-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2009-08-01 3:17 ` Dave Young
2009-08-01 9:15 ` Oliver Hartkopp
2009-08-01 9:21 ` Oliver Hartkopp
2009-08-01 9:32 ` Dave Young
2009-08-03 12:03 ` Oliver Hartkopp
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