From: Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
To: Grant Grundler <grundler-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: 3.0.8 kernel : NULL ptr deref in skb_queue_purge()
Date: Thu, 8 Dec 2011 10:02:08 -0800 [thread overview]
Message-ID: <20111208180208.GA16883@kroah.com> (raw)
In-Reply-To: <CANEJEGtJ3UmFNyui_SaZ6NF5FFVjZ+_UBg1RC2eif5Lu1YKDsQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Wed, Dec 07, 2011 at 02:40:49PM -0800, Grant Grundler wrote:
> Hi,
> I'm testing asix (USB 100BT ethernet adapter with AX88772) driver
> initialization (and shut down) paths and reproduced a
> "skb_queue_purge" panic 3 times after a few hundred/thousand
> iterations of rmmod/modprobe. I'm inclined to believe
> skb_queue_purge() is a victim and not a culprit here.
>
> I don't know if all 3 "spontaneous reboots" I've seen have the same
> stack trace as the one I have a record for:
Have you tried this on 3.1, and especially, 3.2-rc? A number of asix
patches have gone into the 3.2-rc series, perhaps they might have
resolved this problem already?
thanks,
greg k-h
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next prev parent reply other threads:[~2011-12-08 18:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-07 22:40 3.0.8 kernel : NULL ptr deref in skb_queue_purge() Grant Grundler
[not found] ` <CANEJEGtJ3UmFNyui_SaZ6NF5FFVjZ+_UBg1RC2eif5Lu1YKDsQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-08 18:02 ` Greg KH [this message]
2011-12-08 19:04 ` Grant Grundler
2011-12-08 21:35 ` Greg KH
2011-12-13 0:30 ` Grant Grundler
2012-01-06 21:19 ` Grant Grundler
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