[ 399.734312][ C0] tun0: no available key for peer 1, key-id: 0 [ 399.880393][ T3164] tun0: no available key for peer 4, key-id: 0 [ 399.880736][ T3164] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:2/3164 [ 399.880968][ T3164] caller is ovpn_recv+0x192/0x2a0 [ovpn] [ 399.881148][ T3164] CPU: 1 UID: 0 PID: 3164 Comm: kworker/u16:2 Not tainted 7.0.0-rc3-virtme #1 PREEMPT(full) [ 399.881151][ T3164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 399.881153][ T3164] Workqueue: kstrp strp_work [ 399.881161][ T3164] Call Trace: [ 399.881163][ T3164] [ 399.881165][ T3164] dump_stack_lvl+0x6f/0xa0 [ 399.881172][ T3164] check_preemption_disabled+0xdb/0xf0 [ 399.881177][ T3164] ovpn_recv+0x192/0x2a0 [ovpn] [ 399.881182][ T3164] ovpn_tcp_rcv+0x277/0x920 [ovpn] [ 399.881186][ T3164] ? ovpn_tcp_write_space+0x2b0/0x2b0 [ovpn] [ 399.881191][ T3164] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 399.881194][ T3164] ? __build_skb_around+0x210/0x330 [ 399.881199][ T3164] __strp_recv+0x1ee/0x1b70 [ 399.881203][ T3164] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 399.881209][ T3164] __tcp_read_sock+0x1a1/0x7c0 [ 399.881213][ T3164] ? strp_process+0xb0/0xb0 [ 399.881216][ T3164] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 399.881222][ T3164] strp_read_sock+0x20f/0x2b0 [ 399.881224][ T3164] ? strp_stop+0x50/0x50 [ 399.881226][ T3164] ? __lock_release.isra.0+0x59/0x170 [ 399.881231][ T3164] ? lockdep_hardirqs_on+0x84/0x130 [ 399.881232][ T3164] ? __local_bh_enable_ip+0xa3/0x140 [ 399.881236][ T3164] strp_work+0x9f/0xe0 [ 399.881238][ T3164] process_one_work+0xd57/0x1390 [ 399.881246][ T3164] ? pwq_dec_nr_in_flight+0x700/0x700 [ 399.881248][ T3164] ? lock_acquire.part.0+0xbc/0x260 [ 399.881254][ T3164] worker_thread+0x4d6/0xd40 [ 399.881258][ T3164] ? rescuer_thread+0x1330/0x1330 [ 399.881261][ T3164] ? __kthread_parkme+0xb3/0x200 [ 399.881265][ T3164] ? rescuer_thread+0x1330/0x1330 [ 399.881267][ T3164] kthread+0x30f/0x3f0 [ 399.881269][ T3164] ? trace_irq_enable.constprop.0+0x13c/0x190 [ 399.881273][ T3164] ? kthread_affine_node+0x150/0x150 [ 399.881276][ T3164] ret_from_fork+0x472/0x6b0 [ 399.881281][ T3164] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 399.881284][ T3164] ? __switch_to+0x538/0xcf0 [ 399.881287][ T3164] ? kthread_affine_node+0x150/0x150 [ 399.881290][ T3164] ret_from_fork_asm+0x11/0x20 [ 399.881298][ T3164] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr