linux-kernel - NULL pointer dereference in cgroup

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Date:   Wed, 8 Mar 2017 18:46:16 +0000
From:   Luis Henriques <henrix@...andro.org>
To:     Tejun Heo <tj@...nel.org>, Zefan Li <lizefan@...wei.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Johannes Weiner <jweiner@...com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org
Subject: NULL pointer dereference in cgroup

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

Cheers,
--
Luís