linux-kernel - Re: [PATCH] kernfs: fix UAF race condition in __kernfs

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Message-ID: <83be5776-4038-90d5-f202-9a6e97b6d551@I-love.SAKURA.ne.jp>
Date:   Sun, 25 Sep 2022 22:20:27 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Tejun Heo <tj@...nel.org>,
        syzbot <syzbot+8bee3285b9e190f1509e@...kaller.appspotmail.com>,
        syzkaller-bugs@...glegroups.com, linux-kernel@...r.kernel.org,
        Hillf Danton <hdanton@...a.com>
Subject: Re: [PATCH] kernfs: fix UAF race condition in __kernfs_remove()

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?