From: Bastian Blank <waldi@debian.org>
To: James Harper <james.harper@bendigoit.com.au>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>, xen-devel@lists.xensource.com
Subject: Re: Null-pointer access in netback_uevent
Date: Fri, 28 May 2010 11:03:25 +0200 [thread overview]
Message-ID: <20100528090325.GA13575@wavehammer.waldi.eu.org> (raw)
In-Reply-To: <AEC6C66638C05B468B556EA548C1A77D01996BE0@trantor>
On Fri, May 28, 2010 at 10:47:48AM +1000, James Harper wrote:
> > > I noticed this just after I posted (subject "oops starting domain on 4.0.0
> > > + 2.6.32.13-gf6fe658"). I'm getting the same error.
> > Actually my error is occurring because 'be' is NULL in netback_uevent (eg
> > dev_get_drvdata returns NULL)
> Looking into this further, I suspect that the trigger here is a newer version of udev or something in that area. netback_uevent is getting called before the call to netback_probe containing the call to dev_set_drvdata.
There are two problems there. And yes, the uevent routine can be called
at any time.
Bastian
--
You! What PLANET is this!
-- McCoy, "The City on the Edge of Forever", stardate 3134.0
next prev parent reply other threads:[~2010-05-28 9:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-27 16:55 Null-pointer access in netback_uevent Bastian Blank
2010-05-27 21:03 ` Jeremy Fitzhardinge
2010-05-27 22:27 ` Bastian Blank
2010-05-27 22:39 ` Jeremy Fitzhardinge
2010-05-27 23:02 ` Bastian Blank
2010-05-28 0:04 ` James Harper
2010-05-28 0:33 ` James Harper
2010-05-28 0:47 ` James Harper
2010-05-28 9:03 ` Bastian Blank [this message]
2010-05-28 17:28 ` Jeremy Fitzhardinge
2010-05-28 22:42 ` James Harper
2010-05-28 23:30 ` Jeremy Fitzhardinge
2010-05-28 23:59 ` James Harper
2010-05-29 6:44 ` Bastian Blank
2010-05-29 18:44 ` [PATCH] xen/netback: Fix null-pointer " Bastian Blank
2010-05-31 7:37 ` Jan Beulich
2010-05-31 8:07 ` Jan Beulich
2010-07-28 16:20 ` Bastian Blank
2010-07-29 11:47 ` Ian Campbell
2010-07-29 12:42 ` Bastian Blank
2010-07-29 13:44 ` Ian Campbell
2010-07-29 13:48 ` Ian Campbell
2010-07-29 15:30 ` Bastian Blank
2010-07-29 15:40 ` Jeremy Fitzhardinge
2010-07-29 17:08 ` Bastian Blank
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