linux-kernel - Re: NULL pointer dereference in cgroup

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Message-ID: <878tofl52i.fsf@xmission.com>
Date:   Wed, 08 Mar 2017 17:30:29 -0600
From:   ebiederm@...ssion.com (Eric W. Biederman)
To:     Luis Henriques <henrix@...andro.org>
Cc:     Tejun Heo <tj@...nel.org>, Zefan Li <lizefan@...wei.com>,
        Johannes Weiner <jweiner@...com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: NULL pointer dereference in cgroup

Luis Henriques <henrix@...andro.org> writes:

> Hi,
>
> I've seen this only once, and can't reproduce it.  But here it is anyway:
>
> https://postimg.org/image/pn94k1yov
>
> (Not sure png files are accepted on LKML.)
>
> This occurred in a VM while booting 4.11.0-rc1

Any idea what was happening when you triggered this?  A little context
usually helps quite a bit when tracking things like this down.

Eric