linux-kernel - Re: upstream boot error: WARNING in mem_cgroup_css

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Message-ID: <20200813152634.GB701678@cmpxchg.org>
Date:   Thu, 13 Aug 2020 11:26:34 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Michal Hocko <mhocko@...e.com>
Cc:     syzbot <syzbot+35d35ef677516d65bdda@...kaller.appspotmail.com>,
        Roman Gushchin <guro@...com>, akpm@...ux-foundation.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, syzkaller-bugs@...glegroups.com,
        vdavydov.dev@...il.com
Subject: Re: upstream boot error: WARNING in mem_cgroup_css_alloc

On Thu, Aug 13, 2020 at 12:44:16PM +0200, Michal Hocko wrote:
> This smells like 3e38e0aaca9e ("mm: memcg: charge memcg percpu memory to
> the parent cgroup").

I just replied to the other thread on this issue here:

https://lore.kernel.org/lkml/20200813152033.GA701678@cmpxchg.org/