From: Shakeel Butt <shakeel.butt@linux.dev>
To: Longxing Li <coregee2000@gmail.com>
Cc: syzkaller@googlegroups.com, hannes@cmpxchg.org,
mhocko@kernel.org, roman.gushchin@linux.dev,
muchun.song@linux.dev, cgroups@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [Kernel Bug] INFO: rcu detected stall in count_memcg_event_mm
Date: Thu, 11 Jun 2026 10:21:37 -0700 [thread overview]
Message-ID: <airuQ36pKQ8x8CZk@linux.dev> (raw)
In-Reply-To: <CAHPqNmzgCY+sHOOG8YVrCFO-7oh6TBeL4SCHEcfVvH6J1SUVdg@mail.gmail.com>
Hi Longxing,
Thanks for the report.
On Tue, Jun 09, 2026 at 07:57:56PM +0800, Longxing Li wrote:
> Dear Linux kernel developers and maintainers,
>
> We would like to report a new kernel bug found by our tool. INFO: rcu
> detected stall in count_memcg_event_mm. Details are as follows.
>
> Kernel commit: v5.15.189
This is an old kernel, can you reproduce with the latest kernel? Also at the
high level this seems like CPU starvation. Can you also describe your system and
the workload/test which is trigerring this issue?
prev parent reply other threads:[~2026-06-11 17:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-09 11:57 [Kernel Bug] INFO: rcu detected stall in count_memcg_event_mm Longxing Li
2026-06-11 17:21 ` Shakeel Butt [this message]
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