From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969076AbdD1WId (ORCPT ); Fri, 28 Apr 2017 18:08:33 -0400 Received: from mail-yw0-f193.google.com ([209.85.161.193]:36155 "EHLO mail-yw0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968479AbdD1WHX (ORCPT ); Fri, 28 Apr 2017 18:07:23 -0400 Date: Fri, 28 Apr 2017 18:07:20 -0400 From: Tejun Heo To: Zefan Li Cc: avagin@virtuozzo.com, Dmitry Vyukov , LKML , Cgroups Subject: Re: [PATCH] cgroup: avoid attaching a cgroup root to two different superblocks, take 2 Message-ID: <20170428220720.GJ22354@htj.duckdns.org> References: <58F6C85F.10706@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <58F6C85F.10706@huawei.com> User-Agent: Mutt/1.8.0 (2017-02-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 19, 2017 at 10:15:59AM +0800, Zefan Li wrote: > Commit bfb0b80db5f9 is broken. Now we try to fix the race by delaying > the initialization of cgroup root refcnt until a superblock has been > allocated. > > Cc: stable@vger.kernel.org # 3.16+ > Reported-by: Dmitry Vyukov > Reported-by: Andrei Vagin > Tested-by: Andrei Vagin > Signed-off-by: Zefan Li Applied to cgroup/for-4.12 w/o the stable tag. Let's wait this one out. It's unlikely to trigger in real use cases and if we decide that this needs to be in -stable, we can ask Greg later. > Again I didn't receive your reply. I believe the problem is in my side. > I'll see if there's some network administrator who can look into this > issue, but I don't have much hope... Bummer. Is there another address I can cc? :( Thanks. -- tejun