[   11.001277][  T252] ip (252) used greatest stack depth: 24456 bytes left
[   12.058871][  T274] ip (274) used greatest stack depth: 24240 bytes left
[   18.738173][   T71] tun0: no available key for peer 3, key-id: 0
[   18.738431][   T71] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/71
[   18.738654][   T71] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[   18.738805][   T71] CPU: 0 UID: 0 PID: 71 Comm: kworker/u16:1 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[   18.738808][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.738810][   T71] Workqueue: kstrp strp_work
[   18.738818][   T71] Call Trace:
[   18.738821][   T71]  <TASK>
[   18.738823][   T71]  dump_stack_lvl+0x6f/0xa0
[   18.738831][   T71]  check_preemption_disabled+0xdb/0xf0
[   18.738836][   T71]  ovpn_recv+0x192/0x2a0 [ovpn]
[   18.738840][   T71]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[   18.738844][   T71]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[   18.738849][   T71]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[   18.738851][   T71]  ? __napi_alloc_frag_align+0x90/0x470
[   18.738857][   T71]  __strp_recv+0x1ee/0x1b70
[   18.738862][   T71]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[   18.738870][   T71]  __tcp_read_sock+0x1a1/0x7c0
[   18.738876][   T71]  ? strp_process+0xb0/0xb0
[   18.738879][   T71]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[   18.738885][   T71]  strp_read_sock+0x20f/0x2b0
[   18.738890][   T71]  ? strp_stop+0x50/0x50
[   18.738892][   T71]  ? __lock_release.isra.0+0x59/0x170
[   18.738897][   T71]  ? lockdep_hardirqs_on+0x84/0x130
[   18.738899][   T71]  ? __local_bh_enable_ip+0xa3/0x140
[   18.738903][   T71]  strp_work+0x9f/0xe0
[   18.738905][   T71]  process_one_work+0xdf6/0x1410
[   18.738913][   T71]  ? pwq_dec_nr_in_flight+0x700/0x700
[   18.738916][   T71]  ? lock_acquire.part.0+0xbc/0x260
[   18.738927][   T71]  worker_thread+0x4eb/0xd60
[   18.738931][   T71]  ? rescuer_thread+0x1340/0x1340
[   18.738933][   T71]  ? __kthread_parkme+0xb3/0x200
[   18.738938][   T71]  ? rescuer_thread+0x1340/0x1340
[   18.738940][   T71]  kthread+0x30f/0x3f0
[   18.738942][   T71]  ? trace_irq_enable.constprop.0+0x13c/0x190
[   18.738945][   T71]  ? kthread_affine_node+0x150/0x150
[   18.738948][   T71]  ret_from_fork+0x472/0x6b0
[   18.738952][   T71]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[   18.738956][   T71]  ? __switch_to+0x538/0xcf0
[   18.738959][   T71]  ? kthread_affine_node+0x150/0x150
[   18.738963][   T71]  ret_from_fork_asm+0x11/0x20
[   18.738975][   T71]  </TASK>

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