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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Tejun Heo <tj@kernel.org>,
	syzbot <syzbot+8bee3285b9e190f1509e@syzkaller.appspotmail.com>,
	syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org,
	Hillf Danton <hdanton@sina.com>
Subject: Re: [PATCH] kernfs: fix UAF race condition in __kernfs_remove()
Date: Sun, 25 Sep 2022 15:40:48 +0200	[thread overview]
Message-ID: <YzBaYHqldB39zD17@kroah.com> (raw)
In-Reply-To: <83be5776-4038-90d5-f202-9a6e97b6d551@I-love.SAKURA.ne.jp>

On Sun, Sep 25, 2022 at 10:20:27PM +0900, Tetsuo Handa wrote:
> On 2022/09/25 22:13, Greg Kroah-Hartman wrote:
> > Isn't this already handled by:
> > 	https://lore.kernel.org/r/20220913121723.691454-1-lk@c--e.de
> > 
> > that will show up in the next linux-next tree.
> 
> Oh, I didn't know that patch.
> 
> But is that patch complete, for there are three __kernfs_remove() callers?
> 

syzbot seems to think it works :)

  reply	other threads:[~2022-09-25 13:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-25 18:25 [syzbot] KASAN: use-after-free Read in __kernfs_remove syzbot
2022-09-25 12:29 ` [PATCH] kernfs: fix UAF race condition in __kernfs_remove() Tetsuo Handa
2022-09-25 13:13   ` Greg Kroah-Hartman
2022-09-25 13:20     ` Tetsuo Handa
2022-09-25 13:40       ` Greg Kroah-Hartman [this message]
2022-09-25 13:52         ` Tetsuo Handa
2022-09-25 16:52           ` Christian A. Ehrhardt

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