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Date: Thu, 15 Aug 2024 12:05:00 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>
Cc: stable@vger.kernel.org, patches@lists.linux.dev,
	Chen Ridong <chenridong@huawei.com>, Tejun Heo <tj@kernel.org>,
	Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH 6.6 017/568] cgroup/cpuset: Prevent UAF in
 proc_cpuset_show()
Message-ID: <2024081552-stellar-map-2491@gregkh>
References: <20240730151639.792277039@linuxfoundation.org>
 <20240730151640.503086745@linuxfoundation.org>
 <xrc6s5oyf3b5hflsffklogluuvd75h2khanrke2laes3en5js2@6kvpkcxs7ufj>
 <2024081444-outwit-panic-83fa@gregkh>
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In-Reply-To: <vxrjoloxbtddsmdqybntugwocztrjrnu4urqdfkcm3oybusyeq@4rqtm5foijgs>

On Thu, Aug 15, 2024 at 12:00:35PM +0200, Michal Koutný wrote:
> On Wed, Aug 14, 2024 at 07:45:54PM GMT, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
> > It is in 6.6.44.
> 
> I meant the commit d23b5c577715 is missing in the backports:
> 
> git grep "list_del.*root_list" torvalds/master -- kernel/cgroup/cgroup.c
> torvalds/master:kernel/cgroup/cgroup.c: list_del_rcu(&root->root_list);
> 
> git grep "list_del.*root_list" v6.6.44 -- kernel/cgroup/cgroup.c
> v6.6.44:kernel/cgroup/cgroup.c:         list_del(&root->root_list);

Ah, yes.  Is that an issue?

confused,

greg k-h