linux-kernel - Re: PROBLEM: NULL pointer dereference in kernel 4.14.6

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] [day] [month] [year] [list]

Date:   Tue, 19 Dec 2017 14:37:04 -0800
From:   Tejun Heo <tj@...nel.org>
To:     George Amanakis <gamanakis@...il.com>
Cc:     linux-kernel@...r.kernel.org, cgroups@...r.kernel.org
Subject: Re: PROBLEM: NULL pointer dereference in kernel 4.14.6

Hello,

On Mon, Dec 18, 2017 at 03:17:54PM -0500, George Amanakis wrote:
> I can replicate this on a Thinkpad X230i running archlinux with latest
> 4.14.7 kernel, without the ZFS modules.
> 
> Steps to reproduce:
> 1) create a virtual machine using libvirt (attached xml)
> 2) virsh start vm
> 3) head /sys/fs/cgroup/unified/machine.slice/machine-
> qemu\\x2d2\\x2dvm.scope/cgroup.procs

It took some massaging but I can reproduce the problem.  Will report
when I know more.

Thanks.

-- 
tejun