Re: PROBLEM: NULL pointer dereference in kernel 4.14.6

From: Tejun Heo
Date: Tue Dec 19 2017 - 17:37:28 EST


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