Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts.
syzkaller login: [   63.169120][ T6865] IPVS: ftp: loaded support on port[0] = 21
executing program
[   63.252193][ T6865] INFO: trying to register non-static key.
[   63.258016][ T6865] the code is fine but needs lockdep annotation.
[   63.264444][ T6865] turning off the locking correctness validator.
[   63.270768][ T6865] CPU: 0 PID: 6865 Comm: syz-executor338 Not tainted 5.9.0-rc4-syzkaller #0
[   63.279414][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   63.289444][ T6865] Call Trace:
[   63.292728][ T6865]  dump_stack+0x198/0x1fd
[   63.297036][ T6865]  register_lock_class+0x157d/0x1630
[   63.302304][ T6865]  ? enqueue_entity+0x2c8/0x1cf0
[   63.307220][ T6865]  ? lock_is_held_type+0xbb/0xf0
[   63.312128][ T6865]  ? is_dynamic_key+0x1a0/0x1a0
[   63.316957][ T6865]  ? try_to_wake_up+0x57e/0x12b0
[   63.321875][ T6865]  __lock_acquire+0xf9/0x5570
[   63.326560][ T6865]  ? lockdep_hardirqs_on_prepare+0x530/0x530
[   63.332510][ T6865]  ? mark_lock+0xbc/0x1710
[   63.336899][ T6865]  lock_acquire+0x1f3/0xae0
[   63.341384][ T6865]  ? skb_dequeue+0x1c/0x180
[   63.346516][ T6865]  ? check_preemption_disabled+0x50/0x130
[   63.352207][ T6865]  ? lock_release+0x8f0/0x8f0
[   63.356864][ T6865]  ? lockdep_hardirqs_on+0x53/0x100
[   63.362031][ T6865]  ? asm_sysvec_call_function_single+0x12/0x20
[   63.368168][ T6865]  ? check_preemption_disabled+0x50/0x130
[   63.373912][ T6865]  ? _raw_spin_lock_irqsave+0xa9/0xce
[   63.379275][ T6865]  ? lockdep_hardirqs_off+0x96/0xd0
[   63.384451][ T6865]  _raw_spin_lock_irqsave+0x94/0xce
[   63.389626][ T6865]  ? skb_dequeue+0x1c/0x180
[   63.394114][ T6865]  skb_dequeue+0x1c/0x180
[   63.398418][ T6865]  skb_queue_purge+0x21/0x30
[   63.402980][ T6865]  l2cap_chan_del+0x61d/0x1300
[   63.407718][ T6865]  l2cap_conn_del+0x46a/0x9e0
[   63.412366][ T6865]  ? l2cap_conn_del+0x9e0/0x9e0
[   63.417206][ T6865]  l2cap_disconn_cfm+0x85/0xa0
[   63.421941][ T6865]  hci_conn_hash_flush+0x114/0x220
[   63.427044][ T6865]  hci_dev_do_close+0x5c6/0x1080
[   63.432068][ T6865]  ? hci_dev_open+0x350/0x350
[   63.436734][ T6865]  ? do_raw_read_unlock+0x70/0x70
[   63.441735][ T6865]  ? try_to_grab_pending.part.0+0x770/0x770
[   63.447607][ T6865]  hci_unregister_dev+0x1bd/0xe30
[   63.452614][ T6865]  ? fcntl_setlk+0xf60/0xf60
[   63.457179][ T6865]  ? lock_is_held_type+0xbb/0xf0
[   63.462090][ T6865]  vhci_release+0x70/0xe0
[   63.466392][ T6865]  __fput+0x285/0x920
[   63.470344][ T6865]  ? vhci_close_dev+0x50/0x50
[   63.474988][ T6865]  task_work_run+0xdd/0x190
[   63.479558][ T6865]  do_exit+0xb7d/0x29f0
[   63.483695][ T6865]  ? __up_read+0x1a1/0x7b0
[   63.488083][ T6865]  ? mm_update_next_owner+0x7a0/0x7a0
[   63.493427][ T6865]  ? vmacache_update+0xce/0x140
[   63.498261][ T6865]  do_group_exit+0x125/0x310
[   63.502831][ T6865]  __ia32_sys_exit_group+0x3a/0x50
[   63.507923][ T6865]  __do_fast_syscall_32+0x60/0x90
[   63.512918][ T6865]  do_fast_syscall_32+0x2f/0x70
[   63.517741][ T6865]  entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
[   63.524046][ T6865] RIP: 0023:0xf7f81549
[   63.528080][ T6865] Code: Bad RIP value.
[   63.532227][ T6865] RSP: 002b:00000000ff8bab4c EFLAGS: 00000292 ORIG_RAX: 00000000000000fc
[   63.540617][ T6865] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000080fd318
[   63.548595][ T6865] RDX: 0000000000000000 RSI: 00000000