linux-kernel - Re: [PATCH -rc] workqueue: Reimplement UAF fix to avoid lockdep worning

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Message-ID: <20240604114050.GP3884@unreal>
Date: Tue, 4 Jun 2024 14:40:50 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>
Cc: Zqiang <qiang.zhang1211@...il.com>, linux-kernel@...r.kernel.org,
	Gal Pressman <gal@...dia.com>, Tariq Toukan <tariqt@...dia.com>,
	RDMA mailing list <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH -rc] workqueue: Reimplement UAF fix to avoid lockdep
 worning

On Tue, May 28, 2024 at 11:39:58AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> The commit 643445531829 ("workqueue: Fix UAF report by KASAN in
> pwq_release_workfn()") causes to the following lockdep warning.

<...>

> As a solution, let's rewrite the commit mentioned in Fixes line to
> properly unwind error without need to flash anything.

Tejun,

If you decide to take this patch, can you please fix typo in the commit message? "flash" -> "flush"

Thanks