Warning: Permanently added '10.128.1.28' (ECDSA) to the list of known hosts.
[   46.404654][ T6818] IPVS: ftp: loaded support on port[0] = 21
executing program
[   47.500368][ T6818] INFO: trying to register non-static key.
[   47.506210][ T6818] the code is fine but needs lockdep annotation.
[   47.512531][ T6818] turning off the locking correctness validator.
[   47.519296][ T6818] CPU: 0 PID: 6818 Comm: syz-executor774 Not tainted 5.8.0-syzkaller #0
[   47.527618][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.537766][ T6818] Call Trace:
[   47.541068][ T6818]  dump_stack+0x1f0/0x31e
[   47.545410][ T6818]  register_lock_class+0xf06/0x1520
[   47.550630][ T6818]  ? lock_is_held_type+0xb3/0xe0
[   47.555581][ T6818]  __lock_acquire+0xfa/0x2ab0
[   47.560306][ T6818]  ? trace_lock_release+0x137/0x1a0
[   47.565502][ T6818]  ? mark_lock+0x102/0x1b00
[   47.570001][ T6818]  lock_acquire+0x160/0x730
[   47.574508][ T6818]  ? skb_queue_purge+0x2e/0x1c0
[   47.579375][ T6818]  ? lockdep_hardirqs_on_prepare+0x445/0x6a0
[   47.585450][ T6818]  ? queue_delayed_work_on+0x149/0x1b0
[   47.590925][ T6818]  _raw_spin_lock_irqsave+0x9e/0xc0
[   47.596118][ T6818]  ? skb_queue_purge+0x2e/0x1c0
[   47.600988][ T6818]  skb_queue_purge+0x2e/0x1c0
[   47.605671][ T6818]  l2cap_conn_del+0x3de/0x650
[   47.610375][ T6818]  ? l2cap_connect_cfm+0x12b0/0x12b0
[   47.615668][ T6818]  hci_conn_hash_flush+0x127/0x200
[   47.620776][ T6818]  hci_dev_do_close+0xb7b/0x1040
[   47.625784][ T6818]  ? hci_unregister_dev+0x159/0x1590
[   47.631838][ T6818]  hci_unregister_dev+0x16d/0x1590
[   47.636936][ T6818]  ? vhci_open+0x290/0x290
[   47.641368][ T6818]  vhci_release+0x73/0xc0
[   47.645707][ T6818]  __fput+0x2f0/0x750
[   47.649695][ T6818]  task_work_run+0x137/0x1c0
[   47.654268][ T6818]  do_exit+0x5f3/0x1f20
[   47.658445][ T6818]  ? trace_kmem_cache_free+0xb2/0x100
[   47.663798][ T6818]  ? lock_is_held_type+0xb3/0xe0
[   47.668741][ T6818]  do_group_exit+0x161/0x2d0
[   47.673321][ T6818]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.679377][ T6818]  __do_sys_exit_group+0x13/0x20
[   47.684298][ T6818]  __se_sys_exit_group+0x10/0x10
[   47.689216][ T6818]  __x64_sys_exit_group+0x37/0x40
[   47.694229][ T6818]  do_syscall_64+0x73/0xe0
[   47.698635][ T6818]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.704527][ T6818] RIP: 0033:0x445048
[   47.708391][ T6818] Code: Bad RIP value.
[   47.712454][ T6818] RSP: 002b:00007ffca5e4a518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   47.720843][ T6818] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000445048
[   47.728803][ T6818] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[   47.736766][ T6818] RBP: 00000000004cce70 R08: 00000000000000e7 R09: ffffffffffffffd0
[   47.744716][ T6818] R10: 00007fcdf91f0700 R11: 0000000000000246 R12: 0000000000000001
[   47.752670][ T6818] R13: 00000000006e0200 R14: 0000000000df0850 R15: 0000000000000001