[ 1208.992862][ T7182] tun0: no available key for peer 1, key-id: 0
[ 1208.993223][ T7182] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/7182
[ 1208.993482][ T7182] caller is ovpn_recv+0x192/0x2a0 [ovpn]
[ 1208.993667][ T7182] CPU: 2 UID: 0 PID: 7182 Comm: kworker/u16:1 Not tainted 7.0.0-rc5-virtme #1 PREEMPT(full) 
[ 1208.993671][ T7182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1208.993673][ T7182] Workqueue: kstrp strp_work
[ 1208.993681][ T7182] Call Trace:
[ 1208.993683][ T7182]  <TASK>
[ 1208.993685][ T7182]  dump_stack_lvl+0x6f/0xa0
[ 1208.993692][ T7182]  check_preemption_disabled+0xdb/0xf0
[ 1208.993698][ T7182]  ovpn_recv+0x192/0x2a0 [ovpn]
[ 1208.993703][ T7182]  ovpn_tcp_rcv+0x277/0x920 [ovpn]
[ 1208.993708][ T7182]  ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn]
[ 1208.993713][ T7182]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1208.993715][ T7182]  ? skb_copy_and_csum_bits+0x7c0/0x8e0
[ 1208.993721][ T7182]  __strp_recv+0x1ee/0x1b70
[ 1208.993726][ T7182]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1208.993731][ T7182]  __tcp_read_sock+0x1a1/0x7c0
[ 1208.993736][ T7182]  ? strp_process+0xb0/0xb0
[ 1208.993738][ T7182]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1208.993744][ T7182]  strp_read_sock+0x20f/0x2b0
[ 1208.993746][ T7182]  ? strp_stop+0x50/0x50
[ 1208.993748][ T7182]  ? __lock_release.isra.0+0x59/0x170
[ 1208.993753][ T7182]  ? lockdep_hardirqs_on+0x84/0x130
[ 1208.993755][ T7182]  ? __local_bh_enable_ip+0xa3/0x140
[ 1208.993759][ T7182]  strp_work+0x9f/0xe0
[ 1208.993761][ T7182]  process_one_work+0xdf6/0x1410
[ 1208.993768][ T7182]  ? pwq_dec_nr_in_flight+0x700/0x700
[ 1208.993770][ T7182]  ? lock_acquire.part.0+0xbc/0x260
[ 1208.993777][ T7182]  worker_thread+0x4eb/0xd60
[ 1208.993780][ T7182]  ? rescuer_thread+0x1340/0x1340
[ 1208.993783][ T7182]  ? __kthread_parkme+0xb3/0x200
[ 1208.993787][ T7182]  ? rescuer_thread+0x1340/0x1340
[ 1208.993789][ T7182]  kthread+0x30f/0x3f0
[ 1208.993791][ T7182]  ? trace_irq_enable.constprop.0+0x13c/0x190
[ 1208.993795][ T7182]  ? kthread_affine_node+0x150/0x150
[ 1208.993798][ T7182]  ret_from_fork+0x472/0x6b0
[ 1208.993802][ T7182]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1208.993805][ T7182]  ? __switch_to+0x538/0xcf0
[ 1208.993808][ T7182]  ? kthread_affine_node+0x150/0x150
[ 1208.993811][ T7182]  ret_from_fork_asm+0x11/0x20
[ 1208.993819][ T7182]  </TASK>
[ 1209.108072][    C1] tun0: no available key for peer 3, key-id: 0
[ 1209.325329][    C1] tun0: no available key for peer 6, key-id: 0

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