From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B464274642; Fri, 25 Apr 2025 15:11:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745593908; cv=none; b=ECm43G8yV8NSLU/MQYQnybtD6LMzEba81kPbH5q0gNpvl5BxHniP/lW2onKECMCtTgjirRSBNIl1FeCprR4Ivffz9dKSQjVx+xAmz8/L5dJ0qM+fFW8YBD31qDWnkdDAw3O9vcS0jOEFRUuegp/9BMhZadw6zVoGOn+Qfbb67SA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745593908; c=relaxed/simple; bh=CA2lm5FtIXF+iTHuSgWS+yEwpbKDGYCiZzV0Gc/vSAw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O2NZU42n4/gnAWQTDGnCuCN42abcKfb6bN44SmoVTSQWuDmUQj+nxxQ9jSPX39yHVZEXlehEJPONzgTnl2zQpng4kcArA7bMJd9iWfiTv27pO/Mp/+rfhvWqnEewHOK0x7GDsMUPIb8CFPQzjB1jSgS5tV734DIGZLW2oMxrTK4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id D3DDB68BEB; Fri, 25 Apr 2025 17:11:40 +0200 (CEST) Date: Fri, 25 Apr 2025 17:11:40 +0200 From: hch To: Waiman Long Cc: hch , Kamaljit Singh , "cgroups@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "kbusch@kernel.org" , "sagi@grimberg.me" , "linux-kernel@vger.kernel.org" Subject: Re: cgroup null pointer dereference Message-ID: <20250425151140.GA14859@lst.de> References: <623427dc-b555-4e38-a064-c20c26bb2a21@redhat.com> <642a7d6f-9d8b-4204-bc81-4d8e0179715d@redhat.com> <20250425145450.GA12664@lst.de> <3fef1073-3a7e-45ab-8448-a144d5fb6a73@redhat.com> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3fef1073-3a7e-45ab-8448-a144d5fb6a73@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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?