Warning: Permanently added '10.128.0.222' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.281067] INFO: trying to register non-static key.
[   31.287345] the code is fine but needs lockdep annotation.
[   31.293676] turning off the locking correctness validator.
[   31.299393] CPU: 0 PID: 7965 Comm: syz-executor006 Not tainted 4.14.234-syzkaller #0
[   31.308257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.318389] Call Trace:
[   31.321053]  dump_stack+0x1b2/0x281
[   31.324770]  register_lock_class+0x32b/0x1320
[   31.329359]  ? static_obj+0x50/0x50
[   31.333611]  ? save_trace+0xd6/0x290
[   31.337991]  __lock_acquire+0x167/0x3f20
[   31.342306]  ? cpuacct_charge+0x1ca/0x350
[   31.346548]  ? __lock_acquire+0x5fc/0x3f20
[   31.350785]  ? trace_hardirqs_on+0x10/0x10
[   31.355137]  ? __lock_acquire+0x5fc/0x3f20
[   31.359452]  ? trace_hardirqs_on+0x10/0x10
[   31.363942]  lock_acquire+0x170/0x3f0
[   31.367933]  ? flush_work+0x88/0x770
[   31.371902]  ? finish_task_switch+0x178/0x610
[   31.376389]  flush_work+0xad/0x770
[   31.380015]  ? flush_work+0x88/0x770
[   31.384157]  ? worker_thread+0xff0/0xff0
[   31.388494]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   31.393853]  ? _raw_spin_unlock_irq+0x5a/0x80
[   31.399260]  ? finish_task_switch+0x178/0x610
[   31.405327]  ? finish_task_switch+0x14d/0x610
[   31.410231]  ? mark_held_locks+0xa6/0xf0
[   31.414521]  ? __cancel_work_timer+0x2c1/0x460
[   31.419779]  __cancel_work_timer+0x321/0x460
[   31.424175]  ? work_on_cpu_safe+0x70/0x70
[   31.428392]  ? ___preempt_schedule+0x16/0x18
[   31.433014]  ? preempt_schedule_common+0x45/0xc0
[   31.437868]  ? ___preempt_schedule+0x16/0x18
[   31.442698]  ? smc_accept_dequeue+0x382/0x5c0
[   31.447938]  smc_close_active+0x768/0xb20
[   31.452295]  smc_release+0x3e1/0x5d0
[   31.456193]  __sock_release+0xcd/0x2b0
[   31.460579]  ? __sock_release+0x2b0/0x2b0
[   31.464715]  sock_close+0x15/0x20
[   31.468257]  __fput+0x25f/0x7a0
[   31.471885]  task_work_run+0x11f/0x190
[   31.476420]  do_exit+0xa44/0x2850
[   31.480314]  ? __do_page_fault+0x571/0xad0
[   31.484736]  ? mm_update_next_owner+0x5b0/0x5b0
[   31.489599]  ? lock_downgrade+0x740/0x740
[   31.493822]  do_group_exit+0x100/0x2e0
[   31.498174]  SyS_exit_group+0x19/0x20
[   31.502133]  ? do_group_exit+0x2e0/0x2e0
[   31.506178]  do_syscall_64+0x1d5/0x640
[   31.510064]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   31.515488] RIP: 0033:0x43d9e9
[   31.518655] RSP: 002b:00007ffd44fb4728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   31.526351] RAX: ffffffffffffffda RBX: 00000000004ae230 RCX: 000