netdev - Re: [syzbot] WARNING: locking bug in tee_netdev

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Date:   Sun, 18 Sep 2022 19:49:57 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     syzbot <syzbot+68f4b631890adeb054ae@...kaller.appspotmail.com>,
        syzkaller-bugs@...glegroups.com
Cc:     netdev@...r.kernel.org, netfilter-devel@...r.kernel.org
Subject: Re: [syzbot] WARNING: locking bug in tee_netdev_event

Unreasonable location. Presumably the same memory corruption.

#syz dup: BUG: unable to handle kernel paging request in kernfs_put_active

On 2022/09/18 18:20, syzbot wrote:
> DEBUG_LOCKS_WARN_ON(1)
> WARNING: CPU: 0 PID: 3067 at kernel/locking/lockdep.c:231 check_wait_context kernel/locking/lockdep.c:4727 [inline]
> WARNING: CPU: 0 PID: 3067 at kernel/locking/lockdep.c:231 __lock_acquire+0x2b0/0x30a4 kernel/locking/lockdep.c:5003