Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   27.247913] INFO: trying to register non-static key.
[   27.253024] the code is fine but needs lockdep annotation.
[   27.258620] turning off the locking correctness validator.
[   27.264220] CPU: 1 PID: 7978 Comm: syz-executor250 Not tainted 4.14.295-syzkaller #0
[   27.272070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   27.281396] Call Trace:
[   27.283963]  dump_stack+0x1b2/0x281
[   27.287570]  register_lock_class+0x389/0x1180
[   27.292041]  ? static_obj+0x50/0x50
[   27.295640]  ? save_trace+0xd6/0x290
[   27.299327]  __lock_acquire+0x167/0x3f20
[   27.303367]  ? cpuacct_charge+0x1ca/0x350
[   27.307490]  ? __lock_acquire+0x5fc/0x3f20
[   27.311700]  ? trace_hardirqs_on+0x10/0x10
[   27.315909]  ? __lock_acquire+0x5fc/0x3f20
[   27.320119]  ? trace_hardirqs_on+0x10/0x10
[   27.324334]  lock_acquire+0x170/0x3f0
[   27.328114]  ? flush_work+0x88/0x770
[   27.331802]  ? finish_task_switch+0x178/0x610
[   27.336275]  flush_work+0xad/0x770
[   27.339790]  ? flush_work+0x88/0x770
[   27.343476]  ? worker_thread+0xff0/0xff0
[   27.347648]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   27.352645]  ? _raw_spin_unlock_irq+0x5a/0x80
[   27.357397]  ? finish_task_switch+0x178/0x610
[   27.361867]  ? finish_task_switch+0x14d/0x610
[   27.366346]  ? mark_held_locks+0xa6/0xf0
[   27.370382]  ? __cancel_work_timer+0x2c1/0x460
[   27.374939]  __cancel_work_timer+0x321/0x460
[   27.379547]  ? work_on_cpu_safe+0x70/0x70
[   27.383666]  ? ___preempt_schedule+0x16/0x18
[   27.388050]  ? preempt_schedule_common+0x45/0xc0
[   27.392780]  ? ___preempt_schedule+0x16/0x18
[   27.397162]  ? smc_accept_dequeue+0x382/0x5c0
[   27.401630]  smc_close_active+0x7e2/0xbb0
[   27.405753]  smc_release+0x3e1/0x5d0
[   27.409443]  __sock_release+0xcd/0x2b0
[   27.413307]  ? __sock_release+0x2b0/0x2b0
[   27.417428]  sock_close+0x15/0x20
[   27.420857]  __fput+0x25f/0x7a0
[   27.424114]  task_work_run+0x11f/0x190
[   27.427976]  do_exit+0xa44/0x2850
[   27.431406]  ? ___preempt_schedule+0x16/0x18
[   27.435789]  ? mm_update_next_owner+0x5b0/0x5b0
[   27.440433]  ? smc_listen+0xe3/0x370
[   27.444120]  ? __local_bh_enable_ip+0x132/0x170
[   27.448760]  ? smc_listen+0xe3/0x370
[   27.452456]  ? SyS_listen+0x1a5/0x220
[   27.456234]  do_group_exit+0x100/0x2e0
[   27.460097]  SyS_exit_group+0x19/0x20
[   27.463870]  ? do_group_exit+0x2e0/0x2e0
[   27.467902]  do_syscall_64+0x1d5/0x640
[   27.471763]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   27.476927] RIP: 0033:0x7fd218f59b79
[   27.480612] RSP: 002b:00007ffdd4c0d398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   27.488312] RAX: ffffffffffffffda RBX: 00007fd218fcd270 RCX: 00007fd218f59b79
[   27.495554] RDX: 000000000000003c RSI