netdev - Re: 3.0.8 kernel : NULL ptr deref in skb_queue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 8 Dec 2011 10:02:08 -0800
From:	Greg KH <greg@...ah.com>
To:	Grant Grundler <grundler@...omium.org>
Cc:	netdev@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: 3.0.8 kernel : NULL ptr deref in skb_queue_purge()

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 netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html