[ 1222.899654][ T7451] tun0: no available key for peer 1, key-id: 0
[ 1222.899845][ T7451] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:1/7451
[ 1222.900049][ T7451] caller is ovpn_recv+0x193/0x2b0 [ovpn]
[ 1222.900170][ T7451] CPU: 1 UID: 0 PID: 7451 Comm: kworker/u16:1 Not tainted 7.0.0-rc7-virtme #1 PREEMPT(full) 
[ 1222.900173][ T7451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1222.900175][ T7451] Workqueue: kstrp strp_work
[ 1222.900183][ T7451] Call Trace:
[ 1222.900185][ T7451]  <TASK>
[ 1222.900187][ T7451]  dump_stack_lvl+0x6f/0xa0
[ 1222.900194][ T7451]  check_preemption_disabled+0xdb/0xf0
[ 1222.900199][ T7451]  ovpn_recv+0x193/0x2b0 [ovpn]
[ 1222.900203][ T7451]  ovpn_tcp_rcv+0x279/0x910 [ovpn]
[ 1222.900208][ T7451]  ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn]
[ 1222.900211][ T7451]  ? __copy_skb_header+0xb7/0x440
[ 1222.900219][ T7451]  ? ovpn_tcp_disconnect+0x10/0x10 [ovpn]
[ 1222.900222][ T7451]  ? __skb_clone+0x500/0x760
[ 1222.900225][ T7451]  __strp_recv+0x20f/0x1c30
[ 1222.900230][ T7451]  ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 1222.900236][ T7451]  __tcp_read_sock+0x1c7/0x850
[ 1222.900240][ T7451]  ? strp_process+0xb0/0xb0
[ 1222.900243][ T7451]  ? tcp_cleanup_rbuf+0x1c0/0x1c0
[ 1222.900248][ T7451]  strp_read_sock+0x20f/0x2b0
[ 1222.900251][ T7451]  ? strp_stop+0x50/0x50
[ 1222.900252][ T7451]  ? __lock_release.isra.0+0x6b/0x1a0
[ 1222.900257][ T7451]  ? lockdep_hardirqs_on+0x8c/0x130
[ 1222.900259][ T7451]  ? __local_bh_enable_ip+0xa5/0x140
[ 1222.900263][ T7451]  strp_work+0x9f/0xe0
[ 1222.900265][ T7451]  process_one_work+0xdf5/0x1410
[ 1222.900273][ T7451]  ? pwq_dec_nr_in_flight+0x710/0x710
[ 1222.900275][ T7451]  ? lock_acquire.part.0+0xbc/0x260
[ 1222.900281][ T7451]  worker_thread+0x4f1/0xd60
[ 1222.900285][ T7451]  ? rescuer_thread+0x1320/0x1320
[ 1222.900287][ T7451]  ? __kthread_parkme+0xbd/0x210
[ 1222.900291][ T7451]  ? rescuer_thread+0x1320/0x1320
[ 1222.900293][ T7451]  kthread+0x364/0x460
[ 1222.900295][ T7451]  ? trace_irq_enable.constprop.0+0x9b/0x180
[ 1222.900299][ T7451]  ? kthread_affine_node+0x330/0x330
[ 1222.900302][ T7451]  ret_from_fork+0x474/0x6b0
[ 1222.900306][ T7451]  ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 1222.900309][ T7451]  ? __switch_to+0x540/0xd10
[ 1222.900312][ T7451]  ? kthread_affine_node+0x330/0x330
[ 1222.900315][ T7451]  ret_from_fork_asm+0x11/0x20
[ 1222.900322][ T7451]  </TASK>
[ 1222.961146][    C1] tun0: no available key for peer 2, key-id: 0
[ 1223.026805][    C1] tun0: no available key for peer 3, key-id: 0
[ 1223.092410][    C3] tun0: no available key for peer 4, key-id: 0
[ 1223.157766][    C3] tun0: no available key for peer 5, key-id: 0

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr