netdev - Re: BUG: 4.14.11 unable to handle kernel NULL pointer dereference in xfrm

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:   Wed, 6 Jun 2018 18:03:19 +0200
From:   Tobias Hommel <netdev-list@...oetigt.de>
To:     Kristian Evensen <kristian.evensen@...il.com>
Cc:     Steffen Klassert <steffen.klassert@...unet.com>,
        Markus Berner <Markus.Berner@....ch>,
        Network Development <netdev@...r.kernel.org>
Subject: Re: BUG: 4.14.11 unable to handle kernel NULL pointer dereference in
 xfrm_lookup

Hi,

On Wed, Jun 06, 2018 at 12:41:53PM +0200, Kristian Evensen wrote:
> Hi,
> 
> I am experiencing the same issue on a PC Engines APU2 running kernel
> 4.14.34, both with and without hardware encryption. With hw.
> encryption, the crash occurs within 2-4 hours. Without hw. encryption,
> it takes 7-8 hours. My setup is nothing crazy, between 7 and 20
> tunnels with heavy RX/TX.
> 
> On Fri, Feb 2, 2018 at 9:09 AM, Steffen Klassert
> <steffen.klassert@...unet.com> wrote:
> > Thanks for offering help, but I fear we have to wait until
> > Tobias has bisected it.
> 
> Has any progress been made here? I would like to try a bisect myself,

Sorry no progress until now, I currently do not get time to have a deeper look
into that. We're back to 4.1.6 right now.

> but my board is running OpenWRT, which makes bisecting hard. The only
> observation I have so far, is that I did not see the issue with kernel
> 4.9.
> 
> BR,
> Kristian

Tobi