Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   47.008691][ T6804] IPVS: ftp: loaded support on port[0] = 21
[   47.067217][ T6804] INFO: trying to register non-static key.
[   47.073047][ T6804] the code is fine but needs lockdep annotation.
[   47.079349][ T6804] turning off the locking correctness validator.
[   47.085645][ T6804] CPU: 1 PID: 6804 Comm: syz-executor140 Not tainted 5.9.0-rc1-syzkaller #0
[   47.094298][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.104327][ T6804] Call Trace:
[   47.107588][ T6804]  dump_stack+0x1f0/0x31e
[   47.111885][ T6804]  register_lock_class+0xf06/0x1520
[   47.117051][ T6804]  __lock_acquire+0xfa/0x2ab0
[   47.121696][ T6804]  ? finish_task_switch+0x24f/0x550
[   47.126869][ T6804]  ? __schedule+0x981/0xce0
[   47.131336][ T6804]  lock_acquire+0x160/0x730
[   47.135806][ T6804]  ? skb_queue_purge+0x2e/0x1c0
[   47.140624][ T6804]  ? queue_delayed_work_on+0x175/0x1b0
[   47.146049][ T6804]  _raw_spin_lock_irqsave+0x9e/0xc0
[   47.151211][ T6804]  ? skb_queue_purge+0x2e/0x1c0
[   47.156067][ T6804]  skb_queue_purge+0x2e/0x1c0
[   47.160709][ T6804]  l2cap_conn_del+0x3de/0x650
[   47.165364][ T6804]  ? l2cap_connect_cfm+0x12b0/0x12b0
[   47.170658][ T6804]  hci_conn_hash_flush+0x127/0x200
[   47.175738][ T6804]  hci_dev_do_close+0xb7b/0x1040
[   47.180641][ T6804]  hci_unregister_dev+0x185/0x1590
[   47.185733][ T6804]  vhci_release+0x73/0xc0
[   47.190028][ T6804]  ? vhci_open+0x290/0x290
[   47.194427][ T6804]  __fput+0x34f/0x7b0
[   47.198391][ T6804]  task_work_run+0x137/0x1c0
[   47.202946][ T6804]  do_exit+0x5f3/0x1f20
[   47.207068][ T6804]  ? vfs_write+0x787/0xd10
[   47.211452][ T6804]  ? lock_is_held_type+0xb3/0xe0
[   47.216354][ T6804]  do_group_exit+0x161/0x2d0
[   47.220908][ T6804]  ? syscall_enter_from_user_mode+0x24/0x190
[   47.226867][ T6804]  __do_sys_exit_group+0x13/0x20
[   47.231770][ T6804]  __se_sys_exit_group+0x10/0x10
[   47.236686][ T6804]  __x64_sys_exit_group+0x37/0x40
[   47.241676][ T6804]  do_syscall_64+0x31/0x70
[   47.246058][ T6804]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.251929][ T6804] RIP: 0033:0x444fb8
[   47.255786][ T6804] Code: Bad RIP value.
[   47.259816][ T6804] RSP: 002b:00007ffea11e9e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
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