[ 22.923733][ C2] tun0: no available key for peer 3, key-id: 0 [ 22.923771][ C2] [ 22.923773][ C2] ======================================================== [ 22.923774][ C2] WARNING: possible irq lock inversion dependency detected [ 22.923777][ C2] 7.2.0-virtme #1 Tainted: G W [ 22.923778][ C2] -------------------------------------------------------- [ 22.923779][ C2] kworker/u16:1/72 just changed the state of lock: [ 22.923781][ C2] ffffffff93c99660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.923792][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 22.923793][ C2] (fs_reclaim){+.+.}-{0:0} [ 22.923795][ C2] [ 22.923795][ C2] [ 22.923795][ C2] and interrupts could create inverse lock ordering between them. [ 22.923795][ C2] [ 22.923796][ C2] [ 22.923796][ C2] other info that might help us debug this: [ 22.923796][ C2] Possible interrupt unsafe locking scenario: [ 22.923796][ C2] [ 22.923797][ C2] CPU0 CPU1 [ 22.923797][ C2] ---- ---- [ 22.923798][ C2] lock(fs_reclaim); [ 22.923799][ C2] local_irq_disable(); [ 22.923799][ C2] lock(console_owner); [ 22.923800][ C2] lock(fs_reclaim); [ 22.923801][ C2] [ 22.923801][ C2] lock(console_owner); [ 22.923802][ C2] [ 22.923802][ C2] *** DEADLOCK *** [ 22.923802][ C2] [ 22.923802][ C2] locks held by kworker/u16:1/72: 11, last CPU#2: [ 22.923803][ C2] #0: ff11000008eb1d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 22.923809][ C2] #1: ffa00000004d7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 22.923812][ C2] #2: ffffffff944e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 22.923817][ C2] #3: ffffffff93d90b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 22.923820][ C2] #4: ffffffff93d90b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 22.923824][ C2] #5: ffffffff93d90b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 22.923828][ C2] #6: ffffffff93d90b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 22.923833][ C2] #7: ff1100000c465318 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 22.923837][ C2] #8: ffffffff93d90b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 22.923844][ C2] #9: ffffffff93d79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.923847][ C2] #10: ffffffff93d79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.923851][ C2] [ 22.923851][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 22.923856][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 22.923858][ C2] HARDIRQ-ON-W at: [ 22.923860][ C2] __lock_acquire+0x388/0xc20 [ 22.923863][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.923864][ C2] fs_reclaim_acquire+0xd5/0x120 [ 22.923867][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 22.923869][ C2] kthread_create_worker_on_node+0xea/0x210 [ 22.923872][ C2] workqueue_init+0x2a/0x680 [ 22.923875][ C2] kernel_init_freeable+0x2fe/0x630 [ 22.923877][ C2] kernel_init+0x21/0x150 [ 22.923880][ C2] ret_from_fork+0x474/0x6b0 [ 22.923883][ C2] ret_from_fork_asm+0x11/0x20 [ 22.923886][ C2] SOFTIRQ-ON-W at: [ 22.923887][ C2] __lock_acquire+0x388/0xc20 [ 22.923888][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.923889][ C2] fs_reclaim_acquire+0xd5/0x120 [ 22.923890][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 22.923891][ C2] kthread_create_worker_on_node+0xea/0x210 [ 22.923893][ C2] workqueue_init+0x2a/0x680 [ 22.923894][ C2] kernel_init_freeable+0x2fe/0x630 [ 22.923895][ C2] kernel_init+0x21/0x150 [ 22.923896][ C2] ret_from_fork+0x474/0x6b0 [ 22.923897][ C2] ret_from_fork_asm+0x11/0x20 [ 22.923899][ C2] INITIAL USE at: [ 22.923899][ C2] __lock_acquire+0x388/0xc20 [ 22.923901][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.923902][ C2] fs_reclaim_acquire+0xd5/0x120 [ 22.923903][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 22.923904][ C2] kthread_create_worker_on_node+0xea/0x210 [ 22.923906][ C2] workqueue_init+0x2a/0x680 [ 22.923907][ C2] kernel_init_freeable+0x2fe/0x630 [ 22.923908][ C2] kernel_init+0x21/0x150 [ 22.923909][ C2] ret_from_fork+0x474/0x6b0 [ 22.923910][ C2] ret_from_fork_asm+0x11/0x20 [ 22.923911][ C2] } [ 22.923912][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 22.923915][ C2] ... acquired at: [ 22.923916][ C2] __lock_acquire+0x518/0xc20 [ 22.923918][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.923919][ C2] fs_reclaim_acquire+0xd5/0x120 [ 22.923920][ C2] __kmalloc_noprof+0xd3/0x760 [ 22.923921][ C2] alloc_buf.isra.0+0x4b/0x260 [ 22.923924][ C2] put_chars+0x1e1/0x2f0 [ 22.923926][ C2] hvc_console_print+0x292/0x780 [ 22.923928][ C2] console_emit_next_record+0x22f/0x4c0 [ 22.923929][ C2] console_flush_one_record+0x46f/0x710 [ 22.923931][ C2] console_unlock+0xee/0x1f0 [ 22.923932][ C2] vprintk_emit+0x37c/0x3e0 [ 22.923934][ C2] _printk+0xc7/0x100 [ 22.923937][ C2] dm_interface_init+0x50/0x60 [ 22.923940][ C2] dm_init+0x51/0xd0 [ 22.923942][ C2] do_one_initcall+0x124/0x4f0 [ 22.923943][ C2] kernel_init_freeable+0x596/0x630 [ 22.923945][ C2] kernel_init+0x21/0x150 [ 22.923946][ C2] ret_from_fork+0x474/0x6b0 [ 22.923947][ C2] ret_from_fork_asm+0x11/0x20 [ 22.923948][ C2] [ 22.923949][ C2] -> (console_owner){..-.}-{0:0} { [ 22.923950][ C2] IN-SOFTIRQ-W at: [ 22.923951][ C2] __lock_acquire+0x388/0xc20 [ 22.923952][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.923953][ C2] console_lock_spinning_enable+0x5c/0x60 [ 22.923955][ C2] console_emit_next_record+0x1d1/0x4c0 [ 22.923957][ C2] console_flush_one_record+0x46f/0x710 [ 22.923958][ C2] console_unlock+0xee/0x1f0 [ 22.923960][ C2] vprintk_emit+0x37c/0x3e0 [ 22.923961][ C2] _printk+0xc7/0x100 [ 22.923962][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.923965][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.923968][ C2] __strp_recv+0x20f/0x1c20 [ 22.923971][ C2] __tcp_read_sock+0x1c7/0x850 [ 22.923973][ C2] strp_read_sock+0x20f/0x2b0 [ 22.923975][ C2] strp_data_ready+0x18e/0x2c0 [ 22.923976][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.923978][ C2] tcp_rcv_established+0x1e1d/0x3910 [ 22.923980][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.923982][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 22.923983][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 22.923985][ C2] ip_local_deliver_finish+0x36f/0x610 [ 22.923986][ C2] ip_local_deliver+0x184/0x4c0 [ 22.923987][ C2] ip_rcv+0xdc/0x3d0 [ 22.923988][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 22.923990][ C2] process_backlog+0x431/0x14c0 [ 22.923992][ C2] __napi_poll+0xa7/0x3b0 [ 22.923994][ C2] net_rx_action+0x513/0xf50 [ 22.923995][ C2] handle_softirqs+0x1d3/0x900 [ 22.923997][ C2] do_softirq+0xac/0xe0 [ 22.923999][ C2] __local_bh_enable_ip+0x118/0x150 [ 22.924000][ C2] __dev_queue_xmit+0x979/0x1b80 [ 22.924001][ C2] ip6_finish_output2+0x423/0x12a0 [ 22.924003][ C2] ip6_finish_output+0x646/0xda0 [ 22.924004][ C2] ip6_output+0x23f/0x7f0 [ 22.924005][ C2] ndisc_send_skb+0xba3/0x1520 [ 22.924006][ C2] addrconf_dad_completed+0x37e/0xe10 [ 22.924008][ C2] addrconf_dad_begin+0x2e1/0x540 [ 22.924010][ C2] addrconf_dad_work+0x170/0x930 [ 22.924011][ C2] process_one_work+0xe3e/0x1560 [ 22.924013][ C2] worker_thread+0x4f1/0xd60 [ 22.924014][ C2] kthread+0x367/0x460 [ 22.924015][ C2] ret_from_fork+0x474/0x6b0 [ 22.924016][ C2] ret_from_fork_asm+0x11/0x20 [ 22.924018][ C2] INITIAL USE at: [ 22.924018][ C2] } [ 22.924019][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 22.924022][ C2] ... acquired at: [ 22.924023][ C2] mark_lock+0x1d7/0xa00 [ 22.924024][ C2] mark_usage+0x42/0x170 [ 22.924025][ C2] __lock_acquire+0x388/0xc20 [ 22.924027][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.924028][ C2] console_lock_spinning_enable+0x5c/0x60 [ 22.924029][ C2] console_emit_next_record+0x1d1/0x4c0 [ 22.924031][ C2] console_flush_one_record+0x46f/0x710 [ 22.924032][ C2] console_unlock+0xee/0x1f0 [ 22.924034][ C2] vprintk_emit+0x37c/0x3e0 [ 22.924035][ C2] _printk+0xc7/0x100 [ 22.924036][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.924039][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.924041][ C2] __strp_recv+0x20f/0x1c20 [ 22.924042][ C2] __tcp_read_sock+0x1c7/0x850 [ 22.924044][ C2] strp_read_sock+0x20f/0x2b0 [ 22.924045][ C2] strp_data_ready+0x18e/0x2c0 [ 22.924047][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.924049][ C2] tcp_rcv_established+0x1e1d/0x3910 [ 22.924050][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.924052][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 22.924053][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 22.924054][ C2] ip_local_deliver_finish+0x36f/0x610 [ 22.924056][ C2] ip_local_deliver+0x184/0x4c0 [ 22.924057][ C2] ip_rcv+0xdc/0x3d0 [ 22.924058][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 22.924060][ C2] process_backlog+0x431/0x14c0 [ 22.924062][ C2] __napi_poll+0xa7/0x3b0 [ 22.924063][ C2] net_rx_action+0x513/0xf50 [ 22.924065][ C2] handle_softirqs+0x1d3/0x900 [ 22.924066][ C2] do_softirq+0xac/0xe0 [ 22.924067][ C2] __local_bh_enable_ip+0x118/0x150 [ 22.924068][ C2] __dev_queue_xmit+0x979/0x1b80 [ 22.924070][ C2] ip6_finish_output2+0x423/0x12a0 [ 22.924071][ C2] ip6_finish_output+0x646/0xda0 [ 22.924072][ C2] ip6_output+0x23f/0x7f0 [ 22.924073][ C2] ndisc_send_skb+0xba3/0x1520 [ 22.924074][ C2] addrconf_dad_completed+0x37e/0xe10 [ 22.924076][ C2] addrconf_dad_begin+0x2e1/0x540 [ 22.924078][ C2] addrconf_dad_work+0x170/0x930 [ 22.924079][ C2] process_one_work+0xe3e/0x1560 [ 22.924081][ C2] worker_thread+0x4f1/0xd60 [ 22.924082][ C2] kthread+0x367/0x460 [ 22.924083][ C2] ret_from_fork+0x474/0x6b0 [ 22.924084][ C2] ret_from_fork_asm+0x11/0x20 [ 22.924085][ C2] [ 22.924086][ C2] [ 22.924086][ C2] stack backtrace: [ 22.924088][ C2] CPU: 2 UID: 0 PID: 72 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.924091][ C2] Tainted: [W]=WARN [ 22.924092][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.924094][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.924097][ C2] Call Trace: [ 22.924098][ C2] [ 22.924100][ C2] dump_stack_lvl+0x6f/0xa0 [ 22.924104][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 22.924106][ C2] mark_lock_irq+0x989/0x9c0 [ 22.924109][ C2] mark_lock+0x1d7/0xa00 [ 22.924111][ C2] mark_usage+0x42/0x170 [ 22.924112][ C2] __lock_acquire+0x388/0xc20 [ 22.924114][ C2] lock_acquire.part.0+0xd4/0x280 [ 22.924116][ C2] ? console_lock_spinning_enable+0x40/0x60 [ 22.924118][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924121][ C2] ? lock_acquire+0x13c/0x160 [ 22.924123][ C2] console_lock_spinning_enable+0x5c/0x60 [ 22.924125][ C2] ? console_lock_spinning_enable+0x40/0x60 [ 22.924126][ C2] console_emit_next_record+0x1d1/0x4c0 [ 22.924128][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 22.924130][ C2] ? console_flush_one_record+0x106/0x710 [ 22.924132][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924134][ C2] ? lock_acquire+0x13c/0x160 [ 22.924135][ C2] console_flush_one_record+0x46f/0x710 [ 22.924138][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 22.924139][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924141][ C2] console_unlock+0xee/0x1f0 [ 22.924143][ C2] ? console_flush_one_record+0x710/0x710 [ 22.924145][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924146][ C2] ? lock_acquire+0x60/0x160 [ 22.924148][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.924150][ C2] ? vprintk_emit+0x320/0x3e0 [ 22.924152][ C2] vprintk_emit+0x37c/0x3e0 [ 22.924154][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 22.924156][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924158][ C2] _printk+0xc7/0x100 [ 22.924160][ C2] ? snapshot_read.cold+0x21/0x21 [ 22.924161][ C2] ? ___ratelimit+0x4e7/0xa00 [ 22.924164][ C2] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.924167][ C2] ? idr_get_free+0x830/0x830 [ 22.924169][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.924172][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.924175][ C2] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.924177][ C2] ? __copy_skb_header+0xb7/0x510 [ 22.924181][ C2] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.924183][ C2] ? sock_queue_err_skb+0xb0/0x680 [ 22.924185][ C2] __strp_recv+0x20f/0x1c20 [ 22.924188][ C2] __tcp_read_sock+0x1c7/0x850 [ 22.924190][ C2] ? strp_process+0xb0/0xb0 [ 22.924192][ C2] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.924193][ C2] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.924195][ C2] ? mark_usage+0x61/0x170 [ 22.924197][ C2] strp_read_sock+0x20f/0x2b0 [ 22.924199][ C2] ? strp_stop+0x50/0x50 [ 22.924201][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924202][ C2] ? lock_acquire+0x13c/0x160 [ 22.924204][ C2] strp_data_ready+0x18e/0x2c0 [ 22.924206][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.924209][ C2] tcp_rcv_established+0x1e1d/0x3910 [ 22.924212][ C2] ? __tcp_check_space+0x600/0x600 [ 22.924213][ C2] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.924215][ C2] ? do_raw_spin_lock+0x131/0x280 [ 22.924217][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.924219][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 22.924222][ C2] ? mark_usage+0x61/0x170 [ 22.924223][ C2] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.924225][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924227][ C2] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.924229][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 22.924230][ C2] ? process_backlog+0x3f1/0x14c0 [ 22.924232][ C2] ip_local_deliver_finish+0x36f/0x610 [ 22.924234][ C2] ip_local_deliver+0x184/0x4c0 [ 22.924236][ C2] ? ip_local_deliver_finish+0x610/0x610 [ 22.924237][ C2] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.924240][ C2] ? process_backlog+0x3f1/0x14c0 [ 22.924241][ C2] ip_rcv+0xdc/0x3d0 [ 22.924243][ C2] ? ip_local_deliver+0x4c0/0x4c0 [ 22.924244][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924246][ C2] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 22.924248][ C2] ? mark_usage+0x61/0x170 [ 22.924250][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924251][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.924254][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 22.924256][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924257][ C2] ? process_backlog+0x3f1/0x14c0 [ 22.924259][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.924261][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924263][ C2] process_backlog+0x431/0x14c0 [ 22.924265][ C2] __napi_poll+0xa7/0x3b0 [ 22.924268][ C2] net_rx_action+0x513/0xf50 [ 22.924270][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924271][ C2] ? __napi_poll+0x3b0/0x3b0 [ 22.924275][ C2] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.924278][ C2] ? mark_held_locks+0x40/0x70 [ 22.924280][ C2] handle_softirqs+0x1d3/0x900 [ 22.924282][ C2] ? _local_bh_enable+0xc0/0xc0 [ 22.924283][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 22.924285][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924286][ C2] ? __dev_queue_xmit+0x964/0x1b80 [ 22.924288][ C2] do_softirq+0xac/0xe0 [ 22.924290][ C2] [ 22.924290][ C2] [ 22.924291][ C2] __local_bh_enable_ip+0x118/0x150 [ 22.924292][ C2] __dev_queue_xmit+0x979/0x1b80 [ 22.924294][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924296][ C2] ? do_ipv6_getsockopt+0x18f0/0x2e80 [ 22.924298][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.924299][ C2] ? find_held_lock+0x2b/0x80 [ 22.924301][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924302][ C2] ? __rwlock_init+0x150/0x150 [ 22.924304][ C2] ? mark_held_locks+0x40/0x70 [ 22.924305][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 22.924307][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924308][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924309][ C2] ? ___neigh_create+0x811/0x1070 [ 22.924312][ C2] ip6_finish_output2+0x423/0x12a0 [ 22.924315][ C2] ? ip6_dst_lookup+0x80/0x80 [ 22.924316][ C2] ? find_held_lock+0x2b/0x80 [ 22.924318][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924319][ C2] ? ip6_mtu+0x15d/0x310 [ 22.924321][ C2] ip6_finish_output+0x646/0xda0 [ 22.924323][ C2] ip6_output+0x23f/0x7f0 [ 22.924325][ C2] ? ip6_finish_output+0xda0/0xda0 [ 22.924326][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924328][ C2] ? find_held_lock+0x2b/0x80 [ 22.924329][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924331][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924332][ C2] ndisc_send_skb+0xba3/0x1520 [ 22.924334][ C2] ? ndisc_recv_na+0xea0/0xea0 [ 22.924336][ C2] ? ndisc_alloc_skb+0x2da/0x490 [ 22.924338][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924339][ C2] addrconf_dad_completed+0x37e/0xe10 [ 22.924342][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924343][ C2] ? addrconf_rs_timer+0x770/0x770 [ 22.924345][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924346][ C2] ? __rwlock_init+0x150/0x150 [ 22.924348][ C2] ? mark_held_locks+0x40/0x70 [ 22.924350][ C2] ? addrconf_dad_begin+0x2e1/0x540 [ 22.924351][ C2] addrconf_dad_begin+0x2e1/0x540 [ 22.924353][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924355][ C2] ? addrconf_dad_completed+0xe10/0xe10 [ 22.924357][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924358][ C2] ? __rwlock_init+0x150/0x150 [ 22.924359][ C2] ? mark_held_locks+0x40/0x70 [ 22.924361][ C2] addrconf_dad_work+0x170/0x930 [ 22.924364][ C2] ? addrconf_dad_begin+0x540/0x540 [ 22.924366][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924367][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924369][ C2] ? lock_acquire+0x13c/0x160 [ 22.924370][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924372][ C2] process_one_work+0xe3e/0x1560 [ 22.924375][ C2] ? __queue_delayed_work+0x470/0x470 [ 22.924377][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924379][ C2] worker_thread+0x4f1/0xd60 [ 22.924381][ C2] ? rescuer_thread+0x1340/0x1340 [ 22.924383][ C2] ? __kthread_parkme+0xbd/0x210 [ 22.924385][ C2] ? rescuer_thread+0x1340/0x1340 [ 22.924386][ C2] ? rescuer_thread+0x1340/0x1340 [ 22.924388][ C2] kthread+0x367/0x460 [ 22.924389][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.924392][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.924393][ C2] ret_from_fork+0x474/0x6b0 [ 22.924395][ C2] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.924397][ C2] ? __switch_to+0x5a3/0xe00 [ 22.924399][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.924401][ C2] ret_from_fork_asm+0x11/0x20 [ 22.924404][ C2] [ 22.924407][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.924408][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 72, name: kworker/u16:1 [ 22.924410][ C2] preempt_count: 103, expected: 0 [ 22.924410][ C2] RCU nest depth: 5, expected: 0 [ 22.924411][ C2] INFO: lockdep is turned off. [ 22.924412][ C2] irq event stamp: 14969 [ 22.924412][ C2] hardirqs last enabled at (14968): [] __down_trylock_console_sem+0x86/0xa0 [ 22.924415][ C2] hardirqs last disabled at (14969): [] console_emit_next_record+0x3d4/0x4c0 [ 22.924416][ C2] softirqs last enabled at (14852): [] __dev_queue_xmit+0x964/0x1b80 [ 22.924422][ C2] softirqs last disabled at (14853): [] do_softirq+0xac/0xe0 [ 22.924423][ C2] Preemption disabled at: [ 22.924424][ C2] [] __dev_queue_xmit+0x204/0x1b80 [ 22.924427][ C2] CPU: 2 UID: 0 PID: 72 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.924428][ C2] Tainted: [W]=WARN [ 22.924429][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.924430][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.924432][ C2] Call Trace: [ 22.924432][ C2] [ 22.924433][ C2] dump_stack_lvl+0x6f/0xa0 [ 22.924435][ C2] ? __dev_queue_xmit+0x204/0x1b80 [ 22.924437][ C2] __might_resched.cold+0x1fe/0x2c1 [ 22.924440][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.924443][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924445][ C2] __kmalloc_noprof+0x443/0x760 [ 22.924446][ C2] ? __rwlock_init+0x150/0x150 [ 22.924448][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 22.924450][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 22.924451][ C2] alloc_buf.isra.0+0x4b/0x260 [ 22.924453][ C2] put_chars+0x1e1/0x2f0 [ 22.924455][ C2] ? __send_to_port+0x420/0x420 [ 22.924457][ C2] hvc_console_print+0x292/0x780 [ 22.924459][ C2] ? __lock_acquire+0x388/0xc20 [ 22.924461][ C2] ? hvc_write+0x3a0/0x3a0 [ 22.924463][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924465][ C2] ? lock_acquire+0x13c/0x160 [ 22.924467][ C2] console_emit_next_record+0x22f/0x4c0 [ 22.924469][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 22.924470][ C2] ? console_flush_one_record+0x106/0x710 [ 22.924472][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924474][ C2] ? lock_acquire+0x13c/0x160 [ 22.924476][ C2] console_flush_one_record+0x46f/0x710 [ 22.924478][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 22.924480][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924482][ C2] console_unlock+0xee/0x1f0 [ 22.924484][ C2] ? console_flush_one_record+0x710/0x710 [ 22.924485][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924487][ C2] ? lock_acquire+0x60/0x160 [ 22.924489][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.924490][ C2] ? vprintk_emit+0x320/0x3e0 [ 22.924492][ C2] vprintk_emit+0x37c/0x3e0 [ 22.924494][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 22.924496][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924498][ C2] _printk+0xc7/0x100 [ 22.924500][ C2] ? snapshot_read.cold+0x21/0x21 [ 22.924501][ C2] ? ___ratelimit+0x4e7/0xa00 [ 22.924503][ C2] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.924505][ C2] ? idr_get_free+0x830/0x830 [ 22.924507][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.924510][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.924513][ C2] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.924515][ C2] ? __copy_skb_header+0xb7/0x510 [ 22.924517][ C2] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.924519][ C2] ? sock_queue_err_skb+0xb0/0x680 [ 22.924521][ C2] __strp_recv+0x20f/0x1c20 [ 22.924524][ C2] __tcp_read_sock+0x1c7/0x850 [ 22.924526][ C2] ? strp_process+0xb0/0xb0 [ 22.924528][ C2] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.924529][ C2] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.924530][ C2] ? mark_usage+0x61/0x170 [ 22.924532][ C2] strp_read_sock+0x20f/0x2b0 [ 22.924534][ C2] ? strp_stop+0x50/0x50 [ 22.924536][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924538][ C2] ? lock_acquire+0x13c/0x160 [ 22.924540][ C2] strp_data_ready+0x18e/0x2c0 [ 22.924542][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.924544][ C2] tcp_rcv_established+0x1e1d/0x3910 [ 22.924547][ C2] ? __tcp_check_space+0x600/0x600 [ 22.924549][ C2] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.924550][ C2] ? do_raw_spin_lock+0x131/0x280 [ 22.924552][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.924554][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 22.924557][ C2] ? mark_usage+0x61/0x170 [ 22.924558][ C2] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.924560][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924562][ C2] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.924564][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 22.924566][ C2] ? process_backlog+0x3f1/0x14c0 [ 22.924567][ C2] ip_local_deliver_finish+0x36f/0x610 [ 22.924569][ C2] ip_local_deliver+0x184/0x4c0 [ 22.924571][ C2] ? ip_local_deliver_finish+0x610/0x610 [ 22.924573][ C2] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.924575][ C2] ? process_backlog+0x3f1/0x14c0 [ 22.924577][ C2] ip_rcv+0xdc/0x3d0 [ 22.924578][ C2] ? ip_local_deliver+0x4c0/0x4c0 [ 22.924580][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924581][ C2] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 22.924583][ C2] ? mark_usage+0x61/0x170 [ 22.924584][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924585][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.924587][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 22.924589][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924591][ C2] ? process_backlog+0x3f1/0x14c0 [ 22.924592][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.924594][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924596][ C2] process_backlog+0x431/0x14c0 [ 22.924599][ C2] __napi_poll+0xa7/0x3b0 [ 22.924601][ C2] net_rx_action+0x513/0xf50 [ 22.924604][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924605][ C2] ? __napi_poll+0x3b0/0x3b0 [ 22.924608][ C2] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.924610][ C2] ? mark_held_locks+0x40/0x70 [ 22.924612][ C2] handle_softirqs+0x1d3/0x900 [ 22.924614][ C2] ? _local_bh_enable+0xc0/0xc0 [ 22.924615][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 22.924617][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924618][ C2] ? __dev_queue_xmit+0x964/0x1b80 [ 22.924620][ C2] do_softirq+0xac/0xe0 [ 22.924621][ C2] [ 22.924622][ C2] [ 22.924622][ C2] __local_bh_enable_ip+0x118/0x150 [ 22.924624][ C2] __dev_queue_xmit+0x979/0x1b80 [ 22.924626][ C2] ? __lock_acquire+0x518/0xc20 [ 22.924627][ C2] ? do_ipv6_getsockopt+0x18f0/0x2e80 [ 22.924629][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.924631][ C2] ? find_held_lock+0x2b/0x80 [ 22.924632][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924633][ C2] ? __rwlock_init+0x150/0x150 [ 22.924635][ C2] ? mark_held_locks+0x40/0x70 [ 22.924637][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 22.924638][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924639][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924640][ C2] ? ___neigh_create+0x811/0x1070 [ 22.924643][ C2] ip6_finish_output2+0x423/0x12a0 [ 22.924645][ C2] ? ip6_dst_lookup+0x80/0x80 [ 22.924646][ C2] ? find_held_lock+0x2b/0x80 [ 22.924648][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924649][ C2] ? ip6_mtu+0x15d/0x310 [ 22.924651][ C2] ip6_finish_output+0x646/0xda0 [ 22.924653][ C2] ip6_output+0x23f/0x7f0 [ 22.924655][ C2] ? ip6_finish_output+0xda0/0xda0 [ 22.924656][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924658][ C2] ? find_held_lock+0x2b/0x80 [ 22.924659][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924661][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924662][ C2] ndisc_send_skb+0xba3/0x1520 [ 22.924664][ C2] ? ndisc_recv_na+0xea0/0xea0 [ 22.924666][ C2] ? ndisc_alloc_skb+0x2da/0x490 [ 22.924668][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 22.924669][ C2] addrconf_dad_completed+0x37e/0xe10 [ 22.924671][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924673][ C2] ? addrconf_rs_timer+0x770/0x770 [ 22.924675][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924676][ C2] ? __rwlock_init+0x150/0x150 [ 22.924678][ C2] ? mark_held_locks+0x40/0x70 [ 22.924679][ C2] ? addrconf_dad_begin+0x2e1/0x540 [ 22.924681][ C2] addrconf_dad_begin+0x2e1/0x540 [ 22.924683][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924684][ C2] ? addrconf_dad_completed+0xe10/0xe10 [ 22.924686][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 22.924688][ C2] ? __rwlock_init+0x150/0x150 [ 22.924689][ C2] ? mark_held_locks+0x40/0x70 [ 22.924691][ C2] addrconf_dad_work+0x170/0x930 [ 22.924693][ C2] ? addrconf_dad_begin+0x540/0x540 [ 22.924695][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924697][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924698][ C2] ? lock_acquire+0x13c/0x160 [ 22.924700][ C2] ? rcu_is_watching+0x16/0xd0 [ 22.924702][ C2] process_one_work+0xe3e/0x1560 [ 22.924704][ C2] ? __queue_delayed_work+0x470/0x470 [ 22.924706][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 22.924709][ C2] worker_thread+0x4f1/0xd60 [ 22.924711][ C2] ? rescuer_thread+0x1340/0x1340 [ 22.924713][ C2] ? __kthread_parkme+0xbd/0x210 [ 22.924714][ C2] ? rescuer_thread+0x1340/0x1340 [ 22.924716][ C2] ? rescuer_thread+0x1340/0x1340 [ 22.924717][ C2] kthread+0x367/0x460 [ 22.924719][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.924720][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.924721][ C2] ret_from_fork+0x474/0x6b0 [ 22.924723][ C2] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.924725][ C2] ? __switch_to+0x5a3/0xe00 [ 22.924730][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.924732][ C2] ret_from_fork_asm+0x11/0x20 [ 22.924735][ C2] [ 23.083437][ C3] tun0: no available key for peer 4, key-id: 0 [ 32.651141][ T612] iperf3 (612) used greatest stack depth: 23024 bytes left [ 32.651159][ T612] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.651161][ T612] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 612, name: iperf3 [ 32.651163][ T612] preempt_count: 2, expected: 0 [ 32.651164][ T612] RCU nest depth: 0, expected: 0 [ 32.651165][ T612] INFO: lockdep is turned off. [ 32.651166][ T612] irq event stamp: 0 [ 32.651166][ T612] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.651171][ T612] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.651177][ T612] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.651179][ T612] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.651180][ T612] Preemption disabled at: [ 32.651181][ T612] [<0000000000000000>] 0x0 [ 32.651186][ T612] CPU: 3 UID: 0 PID: 612 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.651189][ T612] Tainted: [W]=WARN [ 32.651190][ T612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.651192][ T612] Call Trace: [ 32.651194][ T612] [ 32.651195][ T612] dump_stack_lvl+0x6f/0xa0 [ 32.651200][ T612] __might_resched.cold+0x1fe/0x2c1 [ 32.651204][ T612] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.651207][ T612] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 32.651210][ T612] ? rcu_is_watching+0x16/0xd0 [ 32.651214][ T612] __kmalloc_noprof+0x443/0x760 [ 32.651217][ T612] ? __rwlock_init+0x150/0x150 [ 32.651220][ T612] ? alloc_buf.isra.0+0x4b/0x260 [ 32.651224][ T612] ? do_raw_spin_unlock+0x59/0x250 [ 32.651225][ T612] alloc_buf.isra.0+0x4b/0x260 [ 32.651227][ T612] put_chars+0x1e1/0x2f0 [ 32.651229][ T612] ? prb_final_commit+0x50/0x50 [ 32.651231][ T612] ? __send_to_port+0x420/0x420 [ 32.651232][ T612] ? printk_get_next_message+0x240/0x650 [ 32.651235][ T612] hvc_console_print+0x292/0x780 [ 32.651239][ T612] ? hvc_write+0x3a0/0x3a0 [ 32.651241][ T612] ? do_raw_spin_lock+0x131/0x280 [ 32.651242][ T612] ? vsnprintf+0x668/0x1700 [ 32.651245][ T612] ? __rwlock_init+0x150/0x150 [ 32.651246][ T612] ? rcu_is_watching+0x16/0xd0 [ 32.651248][ T612] ? lock_acquire+0x13c/0x160 [ 32.651250][ T612] console_emit_next_record+0x22f/0x4c0 [ 32.651253][ T612] ? devkmsg_read+0x4b0/0x4b0 [ 32.651255][ T612] ? rcu_is_watching+0x16/0xd0 [ 32.651256][ T612] ? rcu_is_watching+0x16/0xd0 [ 32.651258][ T612] ? rcu_is_watching+0x16/0xd0 [ 32.651260][ T612] ? lock_acquire+0x13c/0x160 [ 32.651262][ T612] ? console_flush_one_record+0x111/0x710 [ 32.651263][ T612] console_flush_one_record+0x46f/0x710 [ 32.651265][ T612] ? console_emit_next_record+0x4c0/0x4c0 [ 32.651268][ T612] console_unlock+0xee/0x1f0 [ 32.651270][ T612] ? lock_acquire+0x13c/0x160 [ 32.651271][ T612] ? console_flush_one_record+0x710/0x710 [ 32.651273][ T612] ? rcu_is_watching+0x16/0xd0 [ 32.651274][ T612] ? lock_release+0x184/0x1f0 [ 32.651276][ T612] ? lock_acquire+0x60/0x160 [ 32.651277][ T612] ? __rcu_read_lock+0x30/0x70 [ 32.651280][ T612] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.651281][ T612] ? vprintk_emit+0x320/0x3e0 [ 32.651283][ T612] vprintk_emit+0x37c/0x3e0 [ 32.651286][ T612] ? wake_up_klogd_work_func+0x90/0x90 [ 32.651288][ T612] _printk+0xc7/0x100 [ 32.651292][ T612] ? snapshot_read.cold+0x21/0x21 [ 32.651293][ T612] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.651296][ T612] ? do_raw_spin_lock+0x131/0x280 [ 32.651298][ T612] ? __rwlock_init+0x150/0x150 [ 32.651300][ T612] ? do_raw_spin_lock+0x131/0x280 [ 32.651301][ T612] do_exit.cold+0x82/0x9c [ 32.651304][ T612] ? exit_notify+0x890/0x890 [ 32.651307][ T612] __x64_sys_exit+0x42/0x50 [ 32.651308][ T612] x64_sys_call+0x156c/0x1570 [ 32.651311][ T612] do_syscall_64+0xff/0x530 [ 32.651313][ T612] ? exc_page_fault+0xee/0x100 [ 32.651315][ T612] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.651317][ T612] RIP: 0033:0x7f9d2ef61c49 [ 32.651319][ T612] Code: Unable to access opcode bytes at 0x7f9d2ef61c1f. [ 32.651320][ T612] RSP: 002b:00007f9d2e720e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.651324][ T612] RAX: ffffffffffffffda RBX: 00007f9d2e7216c0 RCX: 00007f9d2ef61c49 [ 32.651325][ T612] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.651326][ T612] RBP: 00007f9d2e720f70 R08: 0000000000000001 R09: 00007f9d2e7216c0 [ 32.651327][ T612] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f9d2df21000 [ 32.651327][ T612] R13: 00007ffd56637910 R14: 0000000000000002 R15: 00007ffd56637a17 [ 32.651329][ T612] [ 33.899839][ T706] tun0: deleting peer with id 1, reason 1 [ 33.899853][ T706] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.899856][ T706] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 706, name: ovpn-cli [ 33.899857][ T706] preempt_count: 202, expected: 0 [ 33.899858][ T706] RCU nest depth: 0, expected: 0 [ 33.899859][ T706] INFO: lockdep is turned off. [ 33.899860][ T706] irq event stamp: 0 [ 33.899861][ T706] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.899865][ T706] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 33.899871][ T706] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 33.899873][ T706] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.899874][ T706] Preemption disabled at: [ 33.899875][ T706] [<0000000000000000>] 0x0 [ 33.899880][ T706] CPU: 2 UID: 0 PID: 706 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.899883][ T706] Tainted: [W]=WARN [ 33.899884][ T706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.899886][ T706] Call Trace: [ 33.899887][ T706] [ 33.899888][ T706] dump_stack_lvl+0x6f/0xa0 [ 33.899894][ T706] __might_resched.cold+0x1fe/0x2c1 [ 33.899898][ T706] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.899901][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.899905][ T706] __kmalloc_noprof+0x443/0x760 [ 33.899908][ T706] ? __rwlock_init+0x150/0x150 [ 33.899911][ T706] ? alloc_buf.isra.0+0x4b/0x260 [ 33.899915][ T706] ? do_raw_spin_unlock+0x59/0x250 [ 33.899917][ T706] alloc_buf.isra.0+0x4b/0x260 [ 33.899919][ T706] put_chars+0x1e1/0x2f0 [ 33.899921][ T706] ? __send_to_port+0x420/0x420 [ 33.899922][ T706] ? printk_get_next_message+0x240/0x650 [ 33.899926][ T706] hvc_console_print+0x292/0x780 [ 33.899929][ T706] ? hvc_write+0x3a0/0x3a0 [ 33.899931][ T706] ? __rwlock_init+0x150/0x150 [ 33.899932][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.899934][ T706] ? lock_acquire+0x13c/0x160 [ 33.899936][ T706] console_emit_next_record+0x22f/0x4c0 [ 33.899939][ T706] ? devkmsg_read+0x4b0/0x4b0 [ 33.899941][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.899942][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.899944][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.899945][ T706] ? lock_acquire+0x13c/0x160 [ 33.899947][ T706] ? console_flush_one_record+0x111/0x710 [ 33.899949][ T706] console_flush_one_record+0x46f/0x710 [ 33.899951][ T706] ? console_emit_next_record+0x4c0/0x4c0 [ 33.899954][ T706] console_unlock+0xee/0x1f0 [ 33.899955][ T706] ? lock_acquire+0x13c/0x160 [ 33.899957][ T706] ? console_flush_one_record+0x710/0x710 [ 33.899958][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.899960][ T706] ? lock_release+0x184/0x1f0 [ 33.899961][ T706] ? lock_acquire+0x60/0x160 [ 33.899962][ T706] ? __rcu_read_lock+0x30/0x70 [ 33.899964][ T706] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.899966][ T706] ? vprintk_emit+0x320/0x3e0 [ 33.899968][ T706] vprintk_emit+0x37c/0x3e0 [ 33.899970][ T706] ? wake_up_klogd_work_func+0x90/0x90 [ 33.899972][ T706] ? kernel_text_address+0x149/0x170 [ 33.899974][ T706] ? __kernel_text_address+0x12/0x30 [ 33.899976][ T706] ? write_profile+0xf0/0xf0 [ 33.899978][ T706] ? unwind_get_return_address+0x67/0xd0 [ 33.899981][ T706] _printk+0xc7/0x100 [ 33.899984][ T706] ? snapshot_read.cold+0x21/0x21 [ 33.899986][ T706] ? netdev_name+0x43/0x60 [ 33.899988][ T706] ? __netdev_printk+0x17f/0x1d0 [ 33.899990][ T706] netdev_info+0xe2/0x116 [ 33.899991][ T706] ? netdev_notice+0x120/0x120 [ 33.899993][ T706] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 33.899998][ T706] ? __module_address+0x36/0x330 [ 33.900003][ T706] ? lock_acquire+0x13c/0x160 [ 33.900004][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900006][ T706] ? lock_release+0x184/0x1f0 [ 33.900008][ T706] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 33.900011][ T706] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 33.900015][ T706] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 33.900017][ T706] ? lock_acquire+0x13c/0x160 [ 33.900018][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900020][ T706] ? lock_release+0x184/0x1f0 [ 33.900022][ T706] ovpn_peer_remove+0x394/0x640 [ovpn] [ 33.900025][ T706] ? do_raw_spin_lock+0x131/0x280 [ 33.900026][ T706] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 33.900030][ T706] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 33.900032][ T706] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 33.900036][ T706] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 33.900038][ T706] ? trace_hardirqs_on+0x36/0x40 [ 33.900041][ T706] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.900043][ T706] ? ref_tracker_alloc+0x28d/0x430 [ 33.900048][ T706] ? lock_release+0x184/0x1f0 [ 33.900049][ T706] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 33.900053][ T706] genl_family_rcv_msg_doit+0x206/0x300 [ 33.900057][ T706] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 33.900059][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900061][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900063][ T706] ? cap_capable+0x1d7/0x3d0 [ 33.900066][ T706] ? write_profile+0xf0/0xf0 [ 33.900067][ T706] ? unwind_get_return_address+0x67/0xd0 [ 33.900069][ T706] genl_family_rcv_msg+0x3a4/0x640 [ 33.900071][ T706] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 33.900073][ T706] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 33.900075][ T706] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.900078][ T706] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 33.900080][ T706] ? filter_irq_stacks+0xd0/0xd0 [ 33.900081][ T706] ? stack_depot_save_flags+0x1bc/0x790 [ 33.900084][ T706] genl_rcv_msg+0xbb/0x160 [ 33.900086][ T706] netlink_rcv_skb+0x14e/0x3a0 [ 33.900088][ T706] ? genl_family_rcv_msg+0x640/0x640 [ 33.900090][ T706] ? netlink_ack+0xcf0/0xcf0 [ 33.900092][ T706] ? lock_acquire+0x13c/0x160 [ 33.900094][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900095][ T706] ? lock_release+0x184/0x1f0 [ 33.900097][ T706] genl_rcv+0x28/0x40 [ 33.900099][ T706] netlink_unicast+0x486/0x750 [ 33.900101][ T706] ? netlink_attachskb+0x810/0x810 [ 33.900103][ T706] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.900104][ T706] ? trace_hardirqs_on+0x36/0x40 [ 33.900105][ T706] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 33.900109][ T706] netlink_sendmsg+0x735/0xc60 [ 33.900111][ T706] ? netlink_unicast+0x750/0x750 [ 33.900113][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900114][ T706] ? lock_release+0x184/0x1f0 [ 33.900116][ T706] ____sys_sendmsg+0x415/0x880 [ 33.900119][ T706] ? copy_msghdr_from_user+0x279/0x420 [ 33.900121][ T706] ? get_timestamp.constprop.0+0x390/0x390 [ 33.900123][ T706] ? move_addr_to_kernel+0x40/0x40 [ 33.900125][ T706] ___sys_sendmsg+0x14e/0x1d0 [ 33.900127][ T706] ? copy_msghdr_from_user+0x420/0x420 [ 33.900129][ T706] ? kfree+0x22/0x590 [ 33.900133][ T706] __sys_sendmsg+0x12c/0x1d0 [ 33.900136][ T706] ? __sys_sendmsg_sock+0x20/0x20 [ 33.900138][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900140][ T706] ? rcu_is_watching+0x16/0xd0 [ 33.900142][ T706] do_syscall_64+0xff/0x530 [ 33.900144][ T706] ? exc_page_fault+0xee/0x100 [ 33.900146][ T706] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.900148][ T706] RIP: 0033:0x7efe6d87954e [ 33.900150][ T706] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 33.900152][ T706] RSP: 002b:00007ffe63db9830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.900155][ T706] RAX: ffffffffffffffda RBX: 000000000e589130 RCX: 00007efe6d87954e [ 33.900157][ T706] RDX: 0000000000000000 RSI: 00007ffe63db98d0 RDI: 0000000000000005 [ 33.900157][ T706] RBP: 00007ffe63db9840 R08: 0000000000000000 R09: 0000000000000000 [ 33.900158][ T706] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000e589200 [ 33.900159][ T706] R13: 00007ffe63db98d0 R14: 000000000e58a260 R15: 000000000040bda8 [ 33.900161][ T706] [ 33.993942][ T710] tun1: deleting peer with id 1, reason 1 [ 36.563376][ T758] tun0: deleting peer with id 2, reason 1 [ 36.563393][ T758] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.563395][ T758] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 758, name: ovpn-cli [ 36.563397][ T758] preempt_count: 202, expected: 0 [ 36.563398][ T758] RCU nest depth: 0, expected: 0 [ 36.563399][ T758] INFO: lockdep is turned off. [ 36.563400][ T758] irq event stamp: 0 [ 36.563401][ T758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.563405][ T758] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 36.563411][ T758] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 36.563413][ T758] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.563414][ T758] Preemption disabled at: [ 36.563415][ T758] [<0000000000000000>] 0x0 [ 36.563423][ T758] CPU: 0 UID: 0 PID: 758 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.563426][ T758] Tainted: [W]=WARN [ 36.563427][ T758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.563429][ T758] Call Trace: [ 36.563430][ T758] [ 36.563431][ T758] dump_stack_lvl+0x6f/0xa0 [ 36.563437][ T758] __might_resched.cold+0x1fe/0x2c1 [ 36.563442][ T758] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.563445][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563449][ T758] __kmalloc_noprof+0x443/0x760 [ 36.563452][ T758] ? __rwlock_init+0x150/0x150 [ 36.563455][ T758] ? alloc_buf.isra.0+0x4b/0x260 [ 36.563459][ T758] ? do_raw_spin_unlock+0x59/0x250 [ 36.563461][ T758] alloc_buf.isra.0+0x4b/0x260 [ 36.563463][ T758] put_chars+0x1e1/0x2f0 [ 36.563465][ T758] ? __send_to_port+0x420/0x420 [ 36.563467][ T758] ? printk_get_next_message+0x240/0x650 [ 36.563470][ T758] hvc_console_print+0x292/0x780 [ 36.563474][ T758] ? hvc_write+0x3a0/0x3a0 [ 36.563475][ T758] ? __rwlock_init+0x150/0x150 [ 36.563477][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563479][ T758] ? lock_acquire+0x13c/0x160 [ 36.563481][ T758] console_emit_next_record+0x22f/0x4c0 [ 36.563483][ T758] ? devkmsg_read+0x4b0/0x4b0 [ 36.563485][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563487][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563488][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563490][ T758] ? lock_acquire+0x13c/0x160 [ 36.563492][ T758] ? console_flush_one_record+0x111/0x710 [ 36.563494][ T758] console_flush_one_record+0x46f/0x710 [ 36.563496][ T758] ? console_emit_next_record+0x4c0/0x4c0 [ 36.563498][ T758] console_unlock+0xee/0x1f0 [ 36.563500][ T758] ? lock_acquire+0x13c/0x160 [ 36.563502][ T758] ? console_flush_one_record+0x710/0x710 [ 36.563503][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563505][ T758] ? lock_release+0x184/0x1f0 [ 36.563506][ T758] ? lock_acquire+0x60/0x160 [ 36.563508][ T758] ? __rcu_read_lock+0x30/0x70 [ 36.563510][ T758] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.563511][ T758] ? vprintk_emit+0x320/0x3e0 [ 36.563513][ T758] vprintk_emit+0x37c/0x3e0 [ 36.563516][ T758] ? wake_up_klogd_work_func+0x90/0x90 [ 36.563517][ T758] ? kernel_text_address+0x149/0x170 [ 36.563520][ T758] ? __kernel_text_address+0x12/0x30 [ 36.563521][ T758] ? write_profile+0xf0/0xf0 [ 36.563523][ T758] ? unwind_get_return_address+0x67/0xd0 [ 36.563526][ T758] _printk+0xc7/0x100 [ 36.563529][ T758] ? snapshot_read.cold+0x21/0x21 [ 36.563531][ T758] ? netdev_name+0x43/0x60 [ 36.563533][ T758] ? __netdev_printk+0x17f/0x1d0 [ 36.563535][ T758] netdev_info+0xe2/0x116 [ 36.563537][ T758] ? netdev_notice+0x120/0x120 [ 36.563538][ T758] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 36.563543][ T758] ? __module_address+0x36/0x330 [ 36.563546][ T758] ? lock_acquire+0x13c/0x160 [ 36.563548][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563549][ T758] ? lock_release+0x184/0x1f0 [ 36.563551][ T758] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 36.563554][ T758] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.563558][ T758] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 36.563561][ T758] ? lock_acquire+0x13c/0x160 [ 36.563562][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563564][ T758] ? lock_release+0x184/0x1f0 [ 36.563566][ T758] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.563569][ T758] ? do_raw_spin_lock+0x131/0x280 [ 36.563570][ T758] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 36.563573][ T758] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.563576][ T758] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 36.563579][ T758] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.563582][ T758] ? trace_hardirqs_on+0x36/0x40 [ 36.563585][ T758] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.563587][ T758] ? ref_tracker_alloc+0x28d/0x430 [ 36.563592][ T758] ? lock_release+0x184/0x1f0 [ 36.563594][ T758] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 36.563597][ T758] genl_family_rcv_msg_doit+0x206/0x300 [ 36.563601][ T758] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 36.563603][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563605][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563607][ T758] ? cap_capable+0x1d7/0x3d0 [ 36.563611][ T758] ? write_profile+0xf0/0xf0 [ 36.563612][ T758] ? unwind_get_return_address+0x67/0xd0 [ 36.563614][ T758] genl_family_rcv_msg+0x3a4/0x640 [ 36.563616][ T758] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 36.563618][ T758] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 36.563620][ T758] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.563622][ T758] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 36.563625][ T758] ? filter_irq_stacks+0xd0/0xd0 [ 36.563626][ T758] ? stack_depot_save_flags+0x1bc/0x790 [ 36.563628][ T758] genl_rcv_msg+0xbb/0x160 [ 36.563630][ T758] netlink_rcv_skb+0x14e/0x3a0 [ 36.563632][ T758] ? genl_family_rcv_msg+0x640/0x640 [ 36.563634][ T758] ? netlink_ack+0xcf0/0xcf0 [ 36.563637][ T758] ? lock_acquire+0x13c/0x160 [ 36.563638][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563640][ T758] ? lock_release+0x184/0x1f0 [ 36.563642][ T758] genl_rcv+0x28/0x40 [ 36.563644][ T758] netlink_unicast+0x486/0x750 [ 36.563646][ T758] ? netlink_attachskb+0x810/0x810 [ 36.563648][ T758] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.563649][ T758] ? trace_hardirqs_on+0x36/0x40 [ 36.563650][ T758] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 36.563654][ T758] netlink_sendmsg+0x735/0xc60 [ 36.563656][ T758] ? netlink_unicast+0x750/0x750 [ 36.563658][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563660][ T758] ? lock_release+0x184/0x1f0 [ 36.563662][ T758] ____sys_sendmsg+0x415/0x880 [ 36.563665][ T758] ? copy_msghdr_from_user+0x279/0x420 [ 36.563667][ T758] ? get_timestamp.constprop.0+0x390/0x390 [ 36.563668][ T758] ? move_addr_to_kernel+0x40/0x40 [ 36.563671][ T758] ___sys_sendmsg+0x14e/0x1d0 [ 36.563673][ T758] ? copy_msghdr_from_user+0x420/0x420 [ 36.563675][ T758] ? kfree+0x22/0x590 [ 36.563679][ T758] __sys_sendmsg+0x12c/0x1d0 [ 36.563682][ T758] ? __sys_sendmsg_sock+0x20/0x20 [ 36.563684][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563686][ T758] ? rcu_is_watching+0x16/0xd0 [ 36.563688][ T758] do_syscall_64+0xff/0x530 [ 36.563691][ T758] ? exc_page_fault+0xee/0x100 [ 36.563693][ T758] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.563695][ T758] RIP: 0033:0x7f14ad0fe54e [ 36.563697][ T758] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 36.563698][ T758] RSP: 002b:00007ffdb4e09e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.563702][ T758] RAX: ffffffffffffffda RBX: 0000000008baa130 RCX: 00007f14ad0fe54e [ 36.563704][ T758] RDX: 0000000000000000 RSI: 00007ffdb4e09eb0 RDI: 0000000000000005 [ 36.563705][ T758] RBP: 00007ffdb4e09e20 R08: 0000000000000000 R09: 0000000000000000 [ 36.563705][ T758] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000008baa200 [ 36.563706][ T758] R13: 00007ffdb4e09eb0 R14: 0000000008bab260 R15: 000000000040bda8 [ 36.563708][ T758] [ 36.651636][ T762] tun2: deleting peer with id 2, reason 1 [ 41.309447][ T211] tun0: deleting peer with id 3, reason 2 [ 41.309467][ T211] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 41.309469][ T211] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 211, name: kworker/3:2 [ 41.309471][ T211] preempt_count: 202, expected: 0 [ 41.309472][ T211] RCU nest depth: 0, expected: 0 [ 41.309473][ T211] INFO: lockdep is turned off. [ 41.309475][ T211] irq event stamp: 3294 [ 41.309475][ T211] hardirqs last enabled at (3293): [] _raw_spin_unlock_irq+0x28/0x50 [ 41.309483][ T211] hardirqs last disabled at (3294): [] __schedule+0x1246/0x20e0 [ 41.309486][ T211] softirqs last enabled at (3282): [] process_one_work+0xe3e/0x1560 [ 41.309490][ T211] softirqs last disabled at (3278): [] neigh_managed_work+0x2d/0x220 [ 41.309494][ T211] Preemption disabled at: [ 41.309495][ T211] [<0000000000000000>] 0x0 [ 41.309503][ T211] CPU: 3 UID: 0 PID: 211 Comm: kworker/3:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 41.309506][ T211] Tainted: [W]=WARN [ 41.309507][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.309509][ T211] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.309519][ T211] Call Trace: [ 41.309520][ T211] [ 41.309522][ T211] dump_stack_lvl+0x6f/0xa0 [ 41.309527][ T211] __might_resched.cold+0x1fe/0x2c1 [ 41.309531][ T211] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 41.309534][ T211] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 41.309537][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309540][ T211] __kmalloc_noprof+0x443/0x760 [ 41.309544][ T211] ? __rwlock_init+0x150/0x150 [ 41.309546][ T211] ? alloc_buf.isra.0+0x4b/0x260 [ 41.309550][ T211] ? do_raw_spin_unlock+0x59/0x250 [ 41.309552][ T211] alloc_buf.isra.0+0x4b/0x260 [ 41.309554][ T211] put_chars+0x1e1/0x2f0 [ 41.309556][ T211] ? prb_final_commit+0x50/0x50 [ 41.309557][ T211] ? __send_to_port+0x420/0x420 [ 41.309559][ T211] ? printk_get_next_message+0x240/0x650 [ 41.309562][ T211] hvc_console_print+0x292/0x780 [ 41.309566][ T211] ? hvc_write+0x3a0/0x3a0 [ 41.309567][ T211] ? do_raw_spin_lock+0x131/0x280 [ 41.309569][ T211] ? vsnprintf+0x527/0x1700 [ 41.309571][ T211] ? __rwlock_init+0x150/0x150 [ 41.309572][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309574][ T211] ? lock_acquire+0x13c/0x160 [ 41.309576][ T211] console_emit_next_record+0x22f/0x4c0 [ 41.309579][ T211] ? devkmsg_read+0x4b0/0x4b0 [ 41.309581][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309582][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309584][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309585][ T211] ? lock_acquire+0x13c/0x160 [ 41.309587][ T211] ? console_flush_one_record+0x111/0x710 [ 41.309589][ T211] console_flush_one_record+0x46f/0x710 [ 41.309591][ T211] ? console_emit_next_record+0x4c0/0x4c0 [ 41.309593][ T211] console_unlock+0xee/0x1f0 [ 41.309595][ T211] ? lock_acquire+0x13c/0x160 [ 41.309597][ T211] ? console_flush_one_record+0x710/0x710 [ 41.309598][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309600][ T211] ? lock_release+0x184/0x1f0 [ 41.309601][ T211] ? lock_acquire+0x60/0x160 [ 41.309602][ T211] ? __rcu_read_lock+0x30/0x70 [ 41.309604][ T211] ? __down_trylock_console_sem+0x5e/0xa0 [ 41.309606][ T211] ? vprintk_emit+0x320/0x3e0 [ 41.309608][ T211] vprintk_emit+0x37c/0x3e0 [ 41.309610][ T211] ? wake_up_klogd_work_func+0x90/0x90 [ 41.309612][ T211] ? arch_stack_walk+0xd7/0x130 [ 41.309615][ T211] ? queued_spin_lock_slowpath+0x103/0xa60 [ 41.309616][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309618][ T211] _printk+0xc7/0x100 [ 41.309621][ T211] ? snapshot_read.cold+0x21/0x21 [ 41.309623][ T211] ? __add_to_free_list+0x81/0x5c0 [ 41.309625][ T211] ? __mod_zone_page_state+0xe1/0x190 [ 41.309628][ T211] ? netdev_name+0x43/0x60 [ 41.309630][ T211] ? __netdev_printk+0x17f/0x1d0 [ 41.309632][ T211] netdev_info+0xe2/0x116 [ 41.309634][ T211] ? netdev_notice+0x120/0x120 [ 41.309636][ T211] ? free_pcppages_bulk+0x363/0x6e0 [ 41.309638][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309640][ T211] ? trace_irq_enable.constprop.0+0x30/0x160 [ 41.309642][ T211] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 41.309647][ T211] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 41.309649][ T211] ? __rwlock_init+0x150/0x150 [ 41.309650][ T211] ? lock_acquire+0x13c/0x160 [ 41.309652][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309654][ T211] ovpn_peer_remove+0x394/0x640 [ovpn] [ 41.309657][ T211] ? do_raw_spin_lock+0x131/0x280 [ 41.309659][ T211] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 41.309662][ T211] ? __rwlock_init+0x150/0x150 [ 41.309663][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309665][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 41.309666][ T211] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 41.309668][ T211] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 41.309671][ T211] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 41.309673][ T211] ? __rwlock_init+0x150/0x150 [ 41.309675][ T211] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 41.309679][ T211] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 41.309681][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309683][ T211] ? lock_acquire+0x13c/0x160 [ 41.309684][ T211] ? rcu_is_watching+0x16/0xd0 [ 41.309686][ T211] process_one_work+0xe3e/0x1560 [ 41.309689][ T211] ? __queue_delayed_work+0x470/0x470 [ 41.309691][ T211] ? find_held_lock+0x2b/0x80 [ 41.309692][ T211] ? __rwlock_init+0x150/0x150 [ 41.309695][ T211] worker_thread+0x4f1/0xd60 [ 41.309697][ T211] ? rescuer_thread+0x1340/0x1340 [ 41.309698][ T211] ? __kthread_parkme+0xbd/0x210 [ 41.309701][ T211] ? rescuer_thread+0x1340/0x1340 [ 41.309703][ T211] ? rescuer_thread+0x1340/0x1340 [ 41.309704][ T211] kthread+0x367/0x460 [ 41.309706][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 41.309707][ T211] ? kthread_affine_preferred+0x4c0/0x4c0 [ 41.309709][ T211] ret_from_fork+0x474/0x6b0 [ 41.309711][ T211] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 41.309712][ T211] ? __switch_to+0x5a3/0xe00 [ 41.309715][ T211] ? kthread_affine_preferred+0x4c0/0x4c0 [ 41.309716][ T211] ret_from_fork_asm+0x11/0x20 [ 41.309720][ T211] [ 42.333456][ T211] tun0: deleting peer with id 4, reason 2 [ 42.333475][ T211] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 42.333478][ T211] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 211, name: kworker/3:2 [ 42.333479][ T211] preempt_count: 202, expected: 0 [ 42.333481][ T211] RCU nest depth: 0, expected: 0 [ 42.333481][ T211] INFO: lockdep is turned off. [ 42.333483][ T211] irq event stamp: 3294 [ 42.333483][ T211] hardirqs last enabled at (3293): [] _raw_spin_unlock_irq+0x28/0x50 [ 42.333490][ T211] hardirqs last disabled at (3294): [] __schedule+0x1246/0x20e0 [ 42.333493][ T211] softirqs last enabled at (3282): [] process_one_work+0xe3e/0x1560 [ 42.333497][ T211] softirqs last disabled at (3278): [] neigh_managed_work+0x2d/0x220 [ 42.333502][ T211] Preemption disabled at: [ 42.333502][ T211] [<0000000000000000>] 0x0 [ 42.333509][ T211] CPU: 3 UID: 0 PID: 211 Comm: kworker/3:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 42.333513][ T211] Tainted: [W]=WARN [ 42.333513][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.333516][ T211] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 42.333525][ T211] Call Trace: [ 42.333527][ T211] [ 42.333529][ T211] dump_stack_lvl+0x6f/0xa0 [ 42.333534][ T211] __might_resched.cold+0x1fe/0x2c1 [ 42.333538][ T211] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 42.333541][ T211] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 42.333543][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333546][ T211] __kmalloc_noprof+0x443/0x760 [ 42.333550][ T211] ? __rwlock_init+0x150/0x150 [ 42.333553][ T211] ? alloc_buf.isra.0+0x4b/0x260 [ 42.333556][ T211] ? do_raw_spin_unlock+0x59/0x250 [ 42.333558][ T211] alloc_buf.isra.0+0x4b/0x260 [ 42.333560][ T211] put_chars+0x1e1/0x2f0 [ 42.333562][ T211] ? prb_final_commit+0x50/0x50 [ 42.333563][ T211] ? __send_to_port+0x420/0x420 [ 42.333565][ T211] ? printk_get_next_message+0x240/0x650 [ 42.333568][ T211] hvc_console_print+0x292/0x780 [ 42.333572][ T211] ? hvc_write+0x3a0/0x3a0 [ 42.333573][ T211] ? do_raw_spin_lock+0x131/0x280 [ 42.333574][ T211] ? vsnprintf+0x527/0x1700 [ 42.333576][ T211] ? __rwlock_init+0x150/0x150 [ 42.333578][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333580][ T211] ? lock_acquire+0x13c/0x160 [ 42.333582][ T211] console_emit_next_record+0x22f/0x4c0 [ 42.333584][ T211] ? devkmsg_read+0x4b0/0x4b0 [ 42.333586][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333588][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333589][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333591][ T211] ? lock_acquire+0x13c/0x160 [ 42.333593][ T211] ? console_flush_one_record+0x111/0x710 [ 42.333594][ T211] console_flush_one_record+0x46f/0x710 [ 42.333597][ T211] ? console_emit_next_record+0x4c0/0x4c0 [ 42.333599][ T211] console_unlock+0xee/0x1f0 [ 42.333601][ T211] ? lock_acquire+0x13c/0x160 [ 42.333602][ T211] ? console_flush_one_record+0x710/0x710 [ 42.333604][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333605][ T211] ? lock_release+0x184/0x1f0 [ 42.333607][ T211] ? lock_acquire+0x60/0x160 [ 42.333608][ T211] ? __rcu_read_lock+0x30/0x70 [ 42.333610][ T211] ? __down_trylock_console_sem+0x5e/0xa0 [ 42.333612][ T211] ? vprintk_emit+0x320/0x3e0 [ 42.333613][ T211] vprintk_emit+0x37c/0x3e0 [ 42.333616][ T211] ? wake_up_klogd_work_func+0x90/0x90 [ 42.333618][ T211] ? arch_stack_walk+0xd7/0x130 [ 42.333621][ T211] _printk+0xc7/0x100 [ 42.333624][ T211] ? snapshot_read.cold+0x21/0x21 [ 42.333626][ T211] ? stack_trace_save+0x93/0xc0 [ 42.333628][ T211] ? filter_irq_stacks+0xd0/0xd0 [ 42.333629][ T211] ? netdev_name+0x43/0x60 [ 42.333632][ T211] ? __netdev_printk+0x17f/0x1d0 [ 42.333633][ T211] netdev_info+0xe2/0x116 [ 42.333635][ T211] ? netdev_notice+0x120/0x120 [ 42.333636][ T211] ? kasan_save_track+0x14/0x30 [ 42.333639][ T211] ? kmem_cache_free+0xf8/0x550 [ 42.333641][ T211] ? free_object_list.isra.0+0x1b6/0x310 [ 42.333644][ T211] ? kthread+0x367/0x460 [ 42.333647][ T211] ? ret_from_fork+0x474/0x6b0 [ 42.333648][ T211] ? ret_from_fork_asm+0x11/0x20 [ 42.333650][ T211] ? do_raw_spin_lock+0x131/0x280 [ 42.333652][ T211] ? __rwlock_init+0x150/0x150 [ 42.333653][ T211] ? trace_irq_enable.constprop.0+0x30/0x160 [ 42.333656][ T211] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 42.333660][ T211] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 42.333663][ T211] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 42.333664][ T211] ? debug_object_activate+0x345/0x4a0 [ 42.333666][ T211] ? lock_acquire+0x13c/0x160 [ 42.333668][ T211] ovpn_peer_remove+0x394/0x640 [ovpn] [ 42.333671][ T211] ? do_raw_spin_lock+0x131/0x280 [ 42.333673][ T211] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 42.333675][ T211] ? __rwlock_init+0x150/0x150 [ 42.333677][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333679][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 42.333680][ T211] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 42.333681][ T211] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 42.333685][ T211] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 42.333687][ T211] ? __rwlock_init+0x150/0x150 [ 42.333689][ T211] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 42.333692][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 42.333693][ T211] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 42.333696][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333697][ T211] ? lock_acquire+0x13c/0x160 [ 42.333699][ T211] ? rcu_is_watching+0x16/0xd0 [ 42.333701][ T211] process_one_work+0xe3e/0x1560 [ 42.333704][ T211] ? __queue_delayed_work+0x470/0x470 [ 42.333706][ T211] ? find_held_lock+0x2b/0x80 [ 42.333708][ T211] ? __rwlock_init+0x150/0x150 [ 42.333710][ T211] worker_thread+0x4f1/0xd60 [ 42.333713][ T211] ? rescuer_thread+0x1340/0x1340 [ 42.333714][ T211] ? __kthread_parkme+0xbd/0x210 [ 42.333716][ T211] ? rescuer_thread+0x1340/0x1340 [ 42.333718][ T211] ? rescuer_thread+0x1340/0x1340 [ 42.333719][ T211] kthread+0x367/0x460 [ 42.333721][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 42.333722][ T211] ? kthread_affine_preferred+0x4c0/0x4c0 [ 42.333724][ T211] ret_from_fork+0x474/0x6b0 [ 42.333726][ T211] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 42.333727][ T211] ? __switch_to+0x5a3/0xe00 [ 42.333730][ T211] ? kthread_affine_preferred+0x4c0/0x4c0 [ 42.333731][ T211] ret_from_fork_asm+0x11/0x20 [ 42.333734][ T211] [ 42.352185][ T211] tun0: deleting peer with id 5, reason 2 [ 42.352384][ T211] tun0: deleting peer with id 6, reason 2 [ 47.452498][ T211] tun3: deleting peer with id 3, reason 2 [ 47.452517][ T211] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 47.452520][ T211] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 211, name: kworker/3:2 [ 47.452521][ T211] preempt_count: 202, expected: 0 [ 47.452522][ T211] RCU nest depth: 0, expected: 0 [ 47.452523][ T211] INFO: lockdep is turned off. [ 47.452524][ T211] irq event stamp: 3294 [ 47.452525][ T211] hardirqs last enabled at (3293): [] _raw_spin_unlock_irq+0x28/0x50 [ 47.452533][ T211] hardirqs last disabled at (3294): [] __schedule+0x1246/0x20e0 [ 47.452536][ T211] softirqs last enabled at (3282): [] process_one_work+0xe3e/0x1560 [ 47.452540][ T211] softirqs last disabled at (3278): [] neigh_managed_work+0x2d/0x220 [ 47.452544][ T211] Preemption disabled at: [ 47.452545][ T211] [<0000000000000000>] 0x0 [ 47.452552][ T211] CPU: 3 UID: 0 PID: 211 Comm: kworker/3:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 47.452556][ T211] Tainted: [W]=WARN [ 47.452557][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.452559][ T211] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.452567][ T211] Call Trace: [ 47.452568][ T211] [ 47.452570][ T211] dump_stack_lvl+0x6f/0xa0 [ 47.452575][ T211] __might_resched.cold+0x1fe/0x2c1 [ 47.452579][ T211] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 47.452582][ T211] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 47.452584][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452588][ T211] __kmalloc_noprof+0x443/0x760 [ 47.452592][ T211] ? __rwlock_init+0x150/0x150 [ 47.452594][ T211] ? alloc_buf.isra.0+0x4b/0x260 [ 47.452598][ T211] ? do_raw_spin_unlock+0x59/0x250 [ 47.452600][ T211] alloc_buf.isra.0+0x4b/0x260 [ 47.452602][ T211] put_chars+0x1e1/0x2f0 [ 47.452604][ T211] ? prb_final_commit+0x50/0x50 [ 47.452605][ T211] ? __send_to_port+0x420/0x420 [ 47.452607][ T211] ? printk_get_next_message+0x240/0x650 [ 47.452610][ T211] hvc_console_print+0x292/0x780 [ 47.452614][ T211] ? hvc_write+0x3a0/0x3a0 [ 47.452615][ T211] ? do_raw_spin_lock+0x131/0x280 [ 47.452616][ T211] ? vsnprintf+0x527/0x1700 [ 47.452618][ T211] ? __rwlock_init+0x150/0x150 [ 47.452620][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452621][ T211] ? lock_acquire+0x13c/0x160 [ 47.452624][ T211] console_emit_next_record+0x22f/0x4c0 [ 47.452626][ T211] ? devkmsg_read+0x4b0/0x4b0 [ 47.452628][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452630][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452631][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452633][ T211] ? lock_acquire+0x13c/0x160 [ 47.452635][ T211] ? console_flush_one_record+0x111/0x710 [ 47.452636][ T211] console_flush_one_record+0x46f/0x710 [ 47.452639][ T211] ? console_emit_next_record+0x4c0/0x4c0 [ 47.452641][ T211] console_unlock+0xee/0x1f0 [ 47.452643][ T211] ? lock_acquire+0x13c/0x160 [ 47.452644][ T211] ? console_flush_one_record+0x710/0x710 [ 47.452646][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452648][ T211] ? lock_release+0x184/0x1f0 [ 47.452649][ T211] ? lock_acquire+0x60/0x160 [ 47.452650][ T211] ? __rcu_read_lock+0x30/0x70 [ 47.452652][ T211] ? __down_trylock_console_sem+0x5e/0xa0 [ 47.452654][ T211] ? vprintk_emit+0x320/0x3e0 [ 47.452656][ T211] vprintk_emit+0x37c/0x3e0 [ 47.452658][ T211] ? wake_up_klogd_work_func+0x90/0x90 [ 47.452660][ T211] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 47.452661][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452663][ T211] ? trace_sched_wakeup+0x9b/0x160 [ 47.452665][ T211] _printk+0xc7/0x100 [ 47.452668][ T211] ? snapshot_read.cold+0x21/0x21 [ 47.452670][ T211] ? try_to_wake_up+0x153/0x1130 [ 47.452672][ T211] ? select_fallback_rq+0x510/0x510 [ 47.452673][ T211] ? netdev_name+0x43/0x60 [ 47.452676][ T211] ? __netdev_printk+0x17f/0x1d0 [ 47.452677][ T211] netdev_info+0xe2/0x116 [ 47.452679][ T211] ? netdev_notice+0x120/0x120 [ 47.452681][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452683][ T211] ? __queue_work+0x3ab/0xd30 [ 47.452685][ T211] ? trace_irq_enable.constprop.0+0x30/0x160 [ 47.452688][ T211] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 47.452692][ T211] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 47.452694][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452696][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.452698][ T211] ovpn_peer_remove+0x394/0x640 [ovpn] [ 47.452701][ T211] ? do_raw_spin_lock+0x131/0x280 [ 47.452703][ T211] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 47.452705][ T211] ? __rwlock_init+0x150/0x150 [ 47.452707][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452709][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.452710][ T211] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 47.452711][ T211] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 47.452714][ T211] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 47.452716][ T211] ? __rwlock_init+0x150/0x150 [ 47.452719][ T211] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 47.452721][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.452723][ T211] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 47.452725][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452727][ T211] ? lock_acquire+0x13c/0x160 [ 47.452729][ T211] ? rcu_is_watching+0x16/0xd0 [ 47.452731][ T211] ? process_one_work+0xdfc/0x1560 [ 47.452732][ T211] process_one_work+0xe3e/0x1560 [ 47.452735][ T211] ? __queue_delayed_work+0x470/0x470 [ 47.452737][ T211] ? find_held_lock+0x2b/0x80 [ 47.452739][ T211] ? __rwlock_init+0x150/0x150 [ 47.452741][ T211] worker_thread+0x4f1/0xd60 [ 47.452743][ T211] ? rescuer_thread+0x1340/0x1340 [ 47.452744][ T211] ? __kthread_parkme+0xbd/0x210 [ 47.452747][ T211] ? rescuer_thread+0x1340/0x1340 [ 47.452748][ T211] ? rescuer_thread+0x1340/0x1340 [ 47.452750][ T211] kthread+0x367/0x460 [ 47.452751][ T211] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.452752][ T211] ? kthread_affine_preferred+0x4c0/0x4c0 [ 47.452754][ T211] ret_from_fork+0x474/0x6b0 [ 47.452757][ T211] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 47.452759][ T211] ? __switch_to+0x5a3/0xe00 [ 47.452761][ T211] ? kthread_affine_preferred+0x4c0/0x4c0 [ 47.452763][ T211] ret_from_fork_asm+0x11/0x20 [ 47.452766][ T211] [ 47.516468][ T9] tun4: deleting peer with id 4, reason 2 [ 47.517475][ T68] tun5: deleting peer with id 5, reason 2 [ 47.581456][ T211] tun6: deleting peer with id 6, reason 2