linux-kernel - Re: cgroup null pointer dereference

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Message-ID: <20250425151140.GA14859@lst.de>
Date: Fri, 25 Apr 2025 17:11:40 +0200
From: hch <hch@....de>
To: Waiman Long <llong@...hat.com>
Cc: hch <hch@....de>, Kamaljit Singh <Kamaljit.Singh1@....com>,
	"cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
	"linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
	"kbusch@...nel.org" <kbusch@...nel.org>,
	"sagi@...mberg.me" <sagi@...mberg.me>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: cgroup null pointer dereference

On Fri, Apr 25, 2025 at 11:04:58AM -0400, Waiman Long wrote:
>
> On 4/25/25 10:54 AM, hch wrote:
>> On Fri, Apr 25, 2025 at 02:22:31AM +0000, Kamaljit Singh wrote:
>>>> It should also be in v6.15-rc1 branch but is missing in the nvme branch
>>>> that you are using. So you need to use a more updated nvme, when
>>>> available, to avoid this problem.
>>>>
>>> Thank you for finding that commit. I'll look for it.
>>>
>>> Christoph, Sagi, Keith, Others,
>>> Can this commit be merged into the nvme-6.15 branch please?
>> What commit?
>>
> commit 7d6c63c31914 ("cgroup: rstat: call cgroup_rstat_updated_list with 
> cgroup_rstat_lock")

I don't see how that is relevant for the nvme tree?