Re: [syzbot] [bluetooth?] possible deadlock in l2cap_conn_del

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
unregister_netdevice: waiting for DEV to become free

unregister_netdevice: waiting for batadv0 to become free. Usage count = 3


Tested on:

commit:         06a22366 Merge tag 'v6.15rc-part2-ksmbd-server-fixes' ..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=110c194c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2f0adb9bdfa87dbd
dashboard link: https://syzkaller.appspot.com/bug?extid=b71bb48c13bf3fed3692
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=172e023f980000