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Re: cgroup: avoid attaching a cgroup root to two different superblocks

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: cgroup: avoid attaching a cgroup root to two different superblocks
Date 2017-04-16 17:30 +0200
Message-ID <twUhH-5ha-1@gated-at.bofh.it> (permalink)
References <ttxUm-4RH-27@gated-at.bofh.it> <twUhH-5ha-3@gated-at.bofh.it>
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On Fri, Apr 14, 2017 at 04:27:38PM -0700, Andrei Vagin wrote:
> Hello,
> 
> One of our CRIU tests hangs with this patch.
> 
> Steps to reproduce:
> curl -o cgroupns.c https://gist.githubusercontent.com/avagin/f87c8a8bd2a0de9afcc74976327786bc/raw/5843701ef3679f50dd2427cf57a80871082eb28c/gistfile1.txt
> gcc cgroupns.c -o cgroupns
> ./cgroupns
> ./cgroupns

Reverted the patch for now.  Let's try again later.

Thanks.

-- 
tejun

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Re: cgroup: avoid attaching a cgroup root to two different  superblocks Tejun Heo <tj@kernel.org> - 2017-04-16 17:30 +0200

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