Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts.
syzkaller login: [   44.255179][ T6819] IPVS: ftp: loaded support on port[0] = 21
executing program
[   45.415432][ T6819] INFO: trying to register non-static key.
[   45.421263][ T6819] the code is fine but needs lockdep annotation.
[   45.427612][ T6819] turning off the locking correctness validator.
[   45.433950][ T6819] CPU: 1 PID: 6819 Comm: syz-executor492 Not tainted 5.8.0-rc7-syzkaller #0
[   45.442600][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.452642][ T6819] Call Trace:
[   45.455919][ T6819]  dump_stack+0x1f0/0x31e
[   45.460229][ T6819]  register_lock_class+0xf06/0x1520
[   45.465409][ T6819]  ? lock_is_held_type+0x87/0xe0
[   45.470337][ T6819]  __lock_acquire+0x102/0x2c30
[   45.475093][ T6819]  ? mark_lock+0x102/0x1b00
[   45.479591][ T6819]  ? preempt_schedule_notrace_thunk+0x16/0x31
[   45.485636][ T6819]  lock_acquire+0x160/0x720
[   45.490132][ T6819]  ? skb_queue_purge+0x2e/0x1c0
[   45.494962][ T6819]  ? lockdep_hardirqs_on_prepare+0x425/0x6e0
[   45.500923][ T6819]  ? queue_delayed_work_on+0x149/0x1b0
[   45.506376][ T6819]  _raw_spin_lock_irqsave+0x9e/0xc0
[   45.511567][ T6819]  ? skb_queue_purge+0x2e/0x1c0
[   45.516407][ T6819]  skb_queue_purge+0x2e/0x1c0
[   45.521063][ T6819]  l2cap_conn_del+0x3de/0x650
[   45.525721][ T6819]  ? l2cap_connect_cfm+0x12b0/0x12b0
[   45.531253][ T6819]  hci_conn_hash_flush+0x127/0x200
[   45.536356][ T6819]  hci_dev_do_close+0xb7b/0x1040
[   45.541282][ T6819]  ? hci_unregister_dev+0x159/0x1590
[   45.546650][ T6819]  hci_unregister_dev+0x16d/0x1590
[   45.551912][ T6819]  ? vhci_open+0x290/0x290
[   45.556302][ T6819]  vhci_release+0x73/0xc0
[   45.560620][ T6819]  __fput+0x2f0/0x750
[   45.564595][ T6819]  task_work_run+0x137/0x1c0
[   45.569173][ T6819]  do_exit+0x601/0x1f80
[   45.573304][ T6819]  do_group_exit+0x161/0x2d0
[   45.577886][ T6819]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.583947][ T6819]  __do_sys_exit_group+0x13/0x20
[   45.588873][ T6819]  __se_sys_exit_group+0x10/0x10
[   45.593795][ T6819]  __x64_sys_exit_group+0x37/0x40
[   45.598812][ T6819]  do_syscall_64+0x73/0xe0
[   45.603208][ T6819]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.609073][ T6819] RIP: 0033:0x444fe8
[   45.612948][ T6819] Code: Bad RIP value.
[   45.616998][ T6819] RSP: 002b:00007ffca7675fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   45.625404][ T6819] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000444fe8
[   45.633385][ T6819] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[   45.641350][ T6819] RBP: 00000000004cce10 R08: 00000000000000e7 R09: ffffffffffffffd0
[   45.649302][ T6819] R10: 00007fdfce516700 R11: 0000000000000246 R12: 0000000000000001
[   45.657254][ T6819] R13: 00000000006e0200 R14: 00000000008e1850 R15: 0000000000000001