[   15.528772][ T3893] 8021q: adding VLAN 0 to HW filter on device bond0
[   15.539203][ T3893] eql: remember to turn off Van-Jacobson compression on your slave devices
[   15.582209][  T489] gvnic 0000:00:00.0 enp0s0: Device link is up.
[   15.585033][   T24] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts.
syzkaller login: [   36.486254][ T4223] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   36.489355][ T4223] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   36.491682][ T4223] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   36.494957][ T4223] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   36.497401][ T4223] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   36.500722][ T4223] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
executing program
[   36.540378][ T4223] 
[   36.541174][ T4223] =====================================
[   36.542719][ T4223] WARNING: bad unlock balance detected!
[   36.544240][ T4223] 6.1.26-syzkaller #0 Not tainted
[   36.545678][ T4223] -------------------------------------
[   36.547138][ T4223] kworker/u5:2/4223 is trying to release lock (&conn->chan_lock) at:
[   36.549438][ T4223] [<ffff80001138a084>] l2cap_disconnect_rsp+0x210/0x30c
[   36.551434][ T4223] but there are no more locks to release!
[   36.553072][ T4223] 
[   36.553072][ T4223] other info that might help us debug this:
[   36.555348][ T4223] 2 locks held by kworker/u5:2/4223:
[   36.556830][ T4223]  #0: ffff0000d5524938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x664/0x1404
[   36.559734][ T4223]  #1: ffff80001d9f7c20 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404
[   36.562948][ T4223] 
[   36.562948][ T4223] stack backtrace:
[   36.564553][ T4223] CPU: 0 PID: 4223 Comm: kworker/u5:2 Not tainted 6.1.26-syzkaller #0
[   36.566769][ T4223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
[   36.569545][ T4223] Workqueue: hci0 hci_rx_work
[   36.570839][ T4223] Call trace:
[   36.571736][ T4223]  dump_backtrace+0x1c8/0x1f4
[   36.573007][ T4223]  show_stack+0x2c/0x3c
[   36.574178][ T4223]  dump_stack_lvl+0x108/0x170
[   36.575470][ T4223]  dump_stack+0x1c/0x5c
[   36.576586][ T4223]  print_unlock_imbalance_bug+0x250/0x2a4
[   36.578166][ T4223]  lock_release+0x4dc/0xa50
[   36.579417][ T4223]  __mutex_unlock_slowpath+0xe0/0x6cc
[   36.580915][ T4223]  mutex_unlock+0x24/0x30
[   36.582122][ T4223]  l2cap_disconnect_rsp+0x210/0x30c
[   36.583550][ T4223]  l2cap_bredr_sig_cmd+0x974/0x7e94
[   36.585001][ T4223]  l2cap_recv_frame+0x83c/0x6a14
[   36.586380][ T4223]  l2cap_recv_acldata+0x4f4/0x163c
[   36.587805][ T4223]  hci_rx_work+0x2cc/0x8b8
[   36.589028][ T4223]  process_one_work+0x7ac/0x1404
[   36.590369][ T4223]  worker_thread+0x8e4/0xfec
[   36.591724][ T4223]  kthread+0x250/0x2d8
[   36.592856][ T4223]  ret_from_fork+0x10/0x20