From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: 3.0.8 kernel : NULL ptr deref in skb_queue_purge() Date: Thu, 8 Dec 2011 10:02:08 -0800 Message-ID: <20111208180208.GA16883@kroah.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Grant Grundler Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html