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From: Tejun Heo <tj@kernel.org>
To: Li Jinlin <lijinlin3@huawei.com>
Cc: axboe@kernel.dk, paolo.valente@linaro.org,
	cgroups@vger.kernel.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, linfeilong@huawei.com,
	louhongxiang@huawei.com
Subject: Re: [PATCH v3] blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
Date: Tue, 14 Sep 2021 06:20:07 -1000	[thread overview]
Message-ID: <YUDLt9uBNLhWL6Gt@slm.duckdns.org> (raw)
In-Reply-To: <20210914042605.3260596-1-lijinlin3@huawei.com>

On Tue, Sep 14, 2021 at 12:26:05PM +0800, Li Jinlin wrote:
...
> Fix by garbbing the matching blkcg lock before trying to
> destroy blkg policy data.
> 
> Suggested-by: Tejun Heo <tj@kernel.org>
> Signed-off-by: Li Jinlin <lijinlin3@huawei.com>

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun

WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Li Jinlin <lijinlin3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
	paolo.valente-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linfeilong-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
	louhongxiang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH v3] blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
Date: Tue, 14 Sep 2021 06:20:07 -1000	[thread overview]
Message-ID: <YUDLt9uBNLhWL6Gt@slm.duckdns.org> (raw)
In-Reply-To: <20210914042605.3260596-1-lijinlin3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>

On Tue, Sep 14, 2021 at 12:26:05PM +0800, Li Jinlin wrote:
...
> Fix by garbbing the matching blkcg lock before trying to
> destroy blkg policy data.
> 
> Suggested-by: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Signed-off-by: Li Jinlin <lijinlin3-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>

Acked-by: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

Thanks.

-- 
tejun

  reply	other threads:[~2021-09-14 16:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14  4:26 [PATCH v3] blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd Li Jinlin
2021-09-14  4:26 ` Li Jinlin
2021-09-14 16:20 ` Tejun Heo [this message]
2021-09-14 16:20   ` Tejun Heo

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