Re: [syzbot] [mptcp?] WARNING in mptcp_check_listen_stop

[syzbot]

syzbot has bisected this issue to:

commit 57fc0f1ceaa4016354cf6f88533e20b56190e41a
Author: Paolo Abeni <pabeni@xxxxxxxxxx>
Date:   Tue Jun 20 16:24:23 2023 +0000

    mptcp: ensure listener is unhashed before updating the sk status

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1279cb71e80000
start commit:   2513974cc3e1 Merge branch 'stmmac-bug-fixes'
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1179cb71e80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1679cb71e80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b50bd31249191be8
dashboard link: https://syzkaller.appspot.com/bug?extid=5a01c3a666e726bc8752
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1119061ee80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=110ca006e80000

Reported-by: syzbot+5a01c3a666e726bc8752@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 57fc0f1ceaa4 ("mptcp: ensure listener is unhashed before updating the sk status")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection