[ 20.620445][ C1] tun0: no available key for peer 2, key-id: 0 [ 20.620481][ C1] [ 20.620483][ C1] ======================================================== [ 20.620484][ C1] WARNING: possible irq lock inversion dependency detected [ 20.620486][ C1] 7.2.0-virtme #1 Tainted: G W [ 20.620487][ C1] -------------------------------------------------------- [ 20.620488][ C1] kworker/u16:0/12 just changed the state of lock: [ 20.620489][ C1] ffffffffaca99660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.620505][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 20.620506][ C1] (fs_reclaim){+.+.}-{0:0} [ 20.620508][ C1] [ 20.620508][ C1] [ 20.620508][ C1] and interrupts could create inverse lock ordering between them. [ 20.620508][ C1] [ 20.620509][ C1] [ 20.620509][ C1] other info that might help us debug this: [ 20.620510][ C1] Possible interrupt unsafe locking scenario: [ 20.620510][ C1] [ 20.620510][ C1] CPU0 CPU1 [ 20.620511][ C1] ---- ---- [ 20.620511][ C1] lock(fs_reclaim); [ 20.620512][ C1] local_irq_disable(); [ 20.620512][ C1] lock(console_owner); [ 20.620513][ C1] lock(fs_reclaim); [ 20.620514][ C1] [ 20.620515][ C1] lock(console_owner); [ 20.620516][ C1] [ 20.620516][ C1] *** DEADLOCK *** [ 20.620516][ C1] [ 20.620516][ C1] locks held by kworker/u16:0/12: 11, last CPU#1: [ 20.620518][ C1] #0: ff11000008cc9d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 20.620523][ C1] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 20.620526][ C1] #2: ffffffffad2e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 20.620532][ C1] #3: ffffffffacb90b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 20.620535][ C1] #4: ffffffffacb90b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 20.620539][ C1] #5: ffffffffacb90b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 20.620544][ C1] #6: ffffffffacb90b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 20.620549][ C1] #7: ff11000004f23818 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 20.620553][ C1] #8: ffffffffacb90b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 20.620560][ C1] #9: ffffffffacb79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.620564][ C1] #10: ffffffffacb79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.620567][ C1] [ 20.620567][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 20.620572][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 20.620574][ C1] HARDIRQ-ON-W at: [ 20.620576][ C1] __lock_acquire+0x388/0xc20 [ 20.620579][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620580][ C1] fs_reclaim_acquire+0xd5/0x120 [ 20.620583][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 20.620585][ C1] kthread_create_worker_on_node+0xea/0x210 [ 20.620588][ C1] workqueue_init+0x2a/0x680 [ 20.620591][ C1] kernel_init_freeable+0x2fe/0x630 [ 20.620594][ C1] kernel_init+0x21/0x150 [ 20.620596][ C1] ret_from_fork+0x474/0x6b0 [ 20.620599][ C1] ret_from_fork_asm+0x11/0x20 [ 20.620602][ C1] SOFTIRQ-ON-W at: [ 20.620602][ C1] __lock_acquire+0x388/0xc20 [ 20.620604][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620605][ C1] fs_reclaim_acquire+0xd5/0x120 [ 20.620606][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 20.620607][ C1] kthread_create_worker_on_node+0xea/0x210 [ 20.620608][ C1] workqueue_init+0x2a/0x680 [ 20.620609][ C1] kernel_init_freeable+0x2fe/0x630 [ 20.620611][ C1] kernel_init+0x21/0x150 [ 20.620612][ C1] ret_from_fork+0x474/0x6b0 [ 20.620613][ C1] ret_from_fork_asm+0x11/0x20 [ 20.620615][ C1] INITIAL USE at: [ 20.620615][ C1] __lock_acquire+0x388/0xc20 [ 20.620617][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620618][ C1] fs_reclaim_acquire+0xd5/0x120 [ 20.620619][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 20.620620][ C1] kthread_create_worker_on_node+0xea/0x210 [ 20.620622][ C1] workqueue_init+0x2a/0x680 [ 20.620623][ C1] kernel_init_freeable+0x2fe/0x630 [ 20.620624][ C1] kernel_init+0x21/0x150 [ 20.620625][ C1] ret_from_fork+0x474/0x6b0 [ 20.620626][ C1] ret_from_fork_asm+0x11/0x20 [ 20.620628][ C1] } [ 20.620628][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 20.620632][ C1] ... acquired at: [ 20.620633][ C1] __lock_acquire+0x518/0xc20 [ 20.620634][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620635][ C1] fs_reclaim_acquire+0xd5/0x120 [ 20.620636][ C1] __kmalloc_noprof+0xd3/0x760 [ 20.620638][ C1] alloc_buf.isra.0+0x4b/0x260 [ 20.620641][ C1] put_chars+0x1e1/0x2f0 [ 20.620642][ C1] hvc_console_print+0x292/0x780 [ 20.620644][ C1] console_emit_next_record+0x22f/0x4c0 [ 20.620646][ C1] console_flush_one_record+0x46f/0x710 [ 20.620648][ C1] console_unlock+0xee/0x1f0 [ 20.620649][ C1] vprintk_emit+0x37c/0x3e0 [ 20.620651][ C1] _printk+0xc7/0x100 [ 20.620653][ C1] dm_interface_init+0x50/0x60 [ 20.620656][ C1] dm_init+0x51/0xd0 [ 20.620658][ C1] do_one_initcall+0x124/0x4f0 [ 20.620659][ C1] kernel_init_freeable+0x596/0x630 [ 20.620661][ C1] kernel_init+0x21/0x150 [ 20.620662][ C1] ret_from_fork+0x474/0x6b0 [ 20.620663][ C1] ret_from_fork_asm+0x11/0x20 [ 20.620664][ C1] [ 20.620664][ C1] -> (console_owner){..-.}-{0:0} { [ 20.620666][ C1] IN-SOFTIRQ-W at: [ 20.620667][ C1] __lock_acquire+0x388/0xc20 [ 20.620668][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620670][ C1] console_lock_spinning_enable+0x5c/0x60 [ 20.620671][ C1] console_emit_next_record+0x1d1/0x4c0 [ 20.620673][ C1] console_flush_one_record+0x46f/0x710 [ 20.620674][ C1] console_unlock+0xee/0x1f0 [ 20.620676][ C1] vprintk_emit+0x37c/0x3e0 [ 20.620677][ C1] _printk+0xc7/0x100 [ 20.620678][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 20.620681][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 20.620684][ C1] __strp_recv+0x20f/0x1c20 [ 20.620687][ C1] __tcp_read_sock+0x1c7/0x850 [ 20.620689][ C1] strp_read_sock+0x20f/0x2b0 [ 20.620691][ C1] strp_data_ready+0x18e/0x2c0 [ 20.620692][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 20.620695][ C1] tcp_data_queue+0xd25/0x1fb0 [ 20.620696][ C1] tcp_rcv_established+0x66d/0x3910 [ 20.620698][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 20.620699][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 20.620701][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 20.620702][ C1] ip_local_deliver_finish+0x36f/0x610 [ 20.620704][ C1] ip_local_deliver+0x184/0x4c0 [ 20.620705][ C1] ip_rcv+0xdc/0x3d0 [ 20.620706][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 20.620708][ C1] process_backlog+0x431/0x14c0 [ 20.620709][ C1] __napi_poll+0xa7/0x3b0 [ 20.620711][ C1] net_rx_action+0x513/0xf50 [ 20.620713][ C1] handle_softirqs+0x1d3/0x900 [ 20.620715][ C1] do_softirq+0xac/0xe0 [ 20.620716][ C1] __local_bh_enable_ip+0x118/0x150 [ 20.620717][ C1] __dev_queue_xmit+0x979/0x1b80 [ 20.620719][ C1] ip6_finish_output2+0x423/0x12a0 [ 20.620720][ C1] ip6_finish_output+0x646/0xda0 [ 20.620722][ C1] ip6_output+0x23f/0x7f0 [ 20.620723][ C1] ndisc_send_skb+0xba3/0x1520 [ 20.620724][ C1] addrconf_dad_completed+0x37e/0xe10 [ 20.620726][ C1] addrconf_dad_begin+0x2e1/0x540 [ 20.620727][ C1] addrconf_dad_work+0x170/0x930 [ 20.620729][ C1] process_one_work+0xe3e/0x1560 [ 20.620731][ C1] worker_thread+0x4f1/0xd60 [ 20.620732][ C1] kthread+0x367/0x460 [ 20.620733][ C1] ret_from_fork+0x474/0x6b0 [ 20.620734][ C1] ret_from_fork_asm+0x11/0x20 [ 20.620736][ C1] INITIAL USE at: [ 20.620737][ C1] } [ 20.620737][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 20.620740][ C1] ... acquired at: [ 20.620741][ C1] mark_lock+0x1d7/0xa00 [ 20.620742][ C1] mark_usage+0x42/0x170 [ 20.620743][ C1] __lock_acquire+0x388/0xc20 [ 20.620745][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620746][ C1] console_lock_spinning_enable+0x5c/0x60 [ 20.620747][ C1] console_emit_next_record+0x1d1/0x4c0 [ 20.620749][ C1] console_flush_one_record+0x46f/0x710 [ 20.620750][ C1] console_unlock+0xee/0x1f0 [ 20.620752][ C1] vprintk_emit+0x37c/0x3e0 [ 20.620753][ C1] _printk+0xc7/0x100 [ 20.620755][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 20.620757][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 20.620759][ C1] __strp_recv+0x20f/0x1c20 [ 20.620761][ C1] __tcp_read_sock+0x1c7/0x850 [ 20.620762][ C1] strp_read_sock+0x20f/0x2b0 [ 20.620764][ C1] strp_data_ready+0x18e/0x2c0 [ 20.620765][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 20.620767][ C1] tcp_data_queue+0xd25/0x1fb0 [ 20.620769][ C1] tcp_rcv_established+0x66d/0x3910 [ 20.620771][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 20.620772][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 20.620773][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 20.620775][ C1] ip_local_deliver_finish+0x36f/0x610 [ 20.620776][ C1] ip_local_deliver+0x184/0x4c0 [ 20.620777][ C1] ip_rcv+0xdc/0x3d0 [ 20.620778][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 20.620780][ C1] process_backlog+0x431/0x14c0 [ 20.620782][ C1] __napi_poll+0xa7/0x3b0 [ 20.620783][ C1] net_rx_action+0x513/0xf50 [ 20.620785][ C1] handle_softirqs+0x1d3/0x900 [ 20.620786][ C1] do_softirq+0xac/0xe0 [ 20.620787][ C1] __local_bh_enable_ip+0x118/0x150 [ 20.620788][ C1] __dev_queue_xmit+0x979/0x1b80 [ 20.620790][ C1] ip6_finish_output2+0x423/0x12a0 [ 20.620791][ C1] ip6_finish_output+0x646/0xda0 [ 20.620792][ C1] ip6_output+0x23f/0x7f0 [ 20.620793][ C1] ndisc_send_skb+0xba3/0x1520 [ 20.620794][ C1] addrconf_dad_completed+0x37e/0xe10 [ 20.620796][ C1] addrconf_dad_begin+0x2e1/0x540 [ 20.620798][ C1] addrconf_dad_work+0x170/0x930 [ 20.620799][ C1] process_one_work+0xe3e/0x1560 [ 20.620801][ C1] worker_thread+0x4f1/0xd60 [ 20.620802][ C1] kthread+0x367/0x460 [ 20.620803][ C1] ret_from_fork+0x474/0x6b0 [ 20.620804][ C1] ret_from_fork_asm+0x11/0x20 [ 20.620806][ C1] [ 20.620806][ C1] [ 20.620806][ C1] stack backtrace: [ 20.620809][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.620812][ C1] Tainted: [W]=WARN [ 20.620813][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.620815][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.620818][ C1] Call Trace: [ 20.620819][ C1] [ 20.620821][ C1] dump_stack_lvl+0x6f/0xa0 [ 20.620825][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 20.620827][ C1] mark_lock_irq+0x989/0x9c0 [ 20.620829][ C1] ? add_lock_to_list+0x2c/0x1a0 [ 20.620831][ C1] mark_lock+0x1d7/0xa00 [ 20.620833][ C1] mark_usage+0x42/0x170 [ 20.620835][ C1] __lock_acquire+0x388/0xc20 [ 20.620837][ C1] lock_acquire.part.0+0xd4/0x280 [ 20.620838][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 20.620840][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.620844][ C1] ? lock_acquire+0x13c/0x160 [ 20.620846][ C1] console_lock_spinning_enable+0x5c/0x60 [ 20.620848][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 20.620850][ C1] console_emit_next_record+0x1d1/0x4c0 [ 20.620852][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 20.620853][ C1] ? console_flush_one_record+0x106/0x710 [ 20.620855][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.620857][ C1] ? lock_acquire+0x13c/0x160 [ 20.620859][ C1] console_flush_one_record+0x46f/0x710 [ 20.620861][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 20.620863][ C1] ? __lock_acquire+0x518/0xc20 [ 20.620865][ C1] console_unlock+0xee/0x1f0 [ 20.620867][ C1] ? console_flush_one_record+0x710/0x710 [ 20.620868][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.620870][ C1] ? lock_acquire+0x60/0x160 [ 20.620872][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.620873][ C1] ? vprintk_emit+0x320/0x3e0 [ 20.620875][ C1] vprintk_emit+0x37c/0x3e0 [ 20.620878][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 20.620880][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.620882][ C1] _printk+0xc7/0x100 [ 20.620884][ C1] ? snapshot_read.cold+0x21/0x21 [ 20.620885][ C1] ? ___ratelimit+0x4e7/0xa00 [ 20.620888][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 20.620891][ C1] ? idr_get_free+0x830/0x830 [ 20.620894][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 20.620897][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 20.620900][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 20.620902][ C1] ? __copy_skb_header+0xb7/0x510 [ 20.620905][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 20.620907][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 20.620910][ C1] __strp_recv+0x20f/0x1c20 [ 20.620912][ C1] ? __dev_queue_xmit+0x979/0x1b80 [ 20.620914][ C1] ? ip_finish_output2+0xd9b/0x1bc0 [ 20.620916][ C1] __tcp_read_sock+0x1c7/0x850 [ 20.620918][ C1] ? strp_process+0xb0/0xb0 [ 20.620920][ C1] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.620922][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 20.620923][ C1] ? trace_ipi_send_cpu.constprop.0+0xb3/0x1c0 [ 20.620926][ C1] ? mark_usage+0x61/0x170 [ 20.620928][ C1] strp_read_sock+0x20f/0x2b0 [ 20.620930][ C1] ? strp_stop+0x50/0x50 [ 20.620932][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.620934][ C1] ? lock_acquire+0x13c/0x160 [ 20.620935][ C1] strp_data_ready+0x18e/0x2c0 [ 20.620938][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 20.620940][ C1] tcp_data_queue+0xd25/0x1fb0 [ 20.620943][ C1] ? tcp_data_ready+0x4a0/0x4a0 [ 20.620945][ C1] ? tcp_send_dupack+0xc40/0xc40 [ 20.620947][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 20.620948][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 20.620950][ C1] ? ktime_get+0x18e/0x2d0 [ 20.620952][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 20.620956][ C1] tcp_rcv_established+0x66d/0x3910 [ 20.620958][ C1] ? down_read_nested+0x100/0x500 [ 20.620960][ C1] ? __tcp_check_space+0x600/0x600 [ 20.620962][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 20.620963][ C1] ? do_raw_spin_lock+0x131/0x280 [ 20.620966][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 20.620968][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 20.620970][ C1] ? mark_usage+0x61/0x170 [ 20.620972][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 20.620974][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.620975][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 20.620977][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 20.620979][ C1] ? process_backlog+0x3f1/0x14c0 [ 20.620981][ C1] ip_local_deliver_finish+0x36f/0x610 [ 20.620983][ C1] ip_local_deliver+0x184/0x4c0 [ 20.620985][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 20.620986][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 20.620989][ C1] ? process_backlog+0x3f1/0x14c0 [ 20.620990][ C1] ip_rcv+0xdc/0x3d0 [ 20.620992][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 20.620994][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.620996][ C1] ? mark_usage+0x61/0x170 [ 20.620997][ C1] ? __lock_acquire+0x518/0xc20 [ 20.620999][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 20.621001][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 20.621003][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621004][ C1] ? process_backlog+0x3f1/0x14c0 [ 20.621006][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 20.621008][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621010][ C1] process_backlog+0x431/0x14c0 [ 20.621013][ C1] __napi_poll+0xa7/0x3b0 [ 20.621015][ C1] net_rx_action+0x513/0xf50 [ 20.621018][ C1] ? __lock_acquire+0x518/0xc20 [ 20.621019][ C1] ? __napi_poll+0x3b0/0x3b0 [ 20.621023][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 20.621025][ C1] ? mark_held_locks+0x40/0x70 [ 20.621027][ C1] handle_softirqs+0x1d3/0x900 [ 20.621029][ C1] ? _local_bh_enable+0xc0/0xc0 [ 20.621030][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 20.621032][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621033][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 20.621035][ C1] do_softirq+0xac/0xe0 [ 20.621037][ C1] [ 20.621037][ C1] [ 20.621038][ C1] __local_bh_enable_ip+0x118/0x150 [ 20.621039][ C1] __dev_queue_xmit+0x979/0x1b80 [ 20.621042][ C1] ? __lock_acquire+0x518/0xc20 [ 20.621043][ C1] ? do_ipv6_getsockopt+0x2030/0x2e80 [ 20.621045][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 20.621047][ C1] ? find_held_lock+0x2b/0x80 [ 20.621053][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621054][ C1] ? __rwlock_init+0x150/0x150 [ 20.621056][ C1] ? mark_held_locks+0x40/0x70 [ 20.621058][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 20.621059][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621060][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621061][ C1] ? ___neigh_create+0x811/0x1070 [ 20.621065][ C1] ip6_finish_output2+0x423/0x12a0 [ 20.621068][ C1] ? ip6_dst_lookup+0x80/0x80 [ 20.621070][ C1] ? find_held_lock+0x2b/0x80 [ 20.621071][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621073][ C1] ? ip6_mtu+0x15d/0x310 [ 20.621075][ C1] ip6_finish_output+0x646/0xda0 [ 20.621077][ C1] ip6_output+0x23f/0x7f0 [ 20.621079][ C1] ? ip6_finish_output+0xda0/0xda0 [ 20.621080][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621082][ C1] ? find_held_lock+0x2b/0x80 [ 20.621083][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621085][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621087][ C1] ndisc_send_skb+0xba3/0x1520 [ 20.621088][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 20.621091][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 20.621092][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621094][ C1] addrconf_dad_completed+0x37e/0xe10 [ 20.621096][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621097][ C1] ? addrconf_rs_timer+0x770/0x770 [ 20.621099][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621101][ C1] ? __rwlock_init+0x150/0x150 [ 20.621102][ C1] ? mark_held_locks+0x40/0x70 [ 20.621104][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 20.621106][ C1] addrconf_dad_begin+0x2e1/0x540 [ 20.621108][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621109][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 20.621111][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621112][ C1] ? __rwlock_init+0x150/0x150 [ 20.621114][ C1] ? mark_held_locks+0x40/0x70 [ 20.621116][ C1] addrconf_dad_work+0x170/0x930 [ 20.621118][ C1] ? addrconf_dad_begin+0x540/0x540 [ 20.621120][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621122][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621124][ C1] ? lock_acquire+0x13c/0x160 [ 20.621125][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621127][ C1] process_one_work+0xe3e/0x1560 [ 20.621130][ C1] ? __queue_delayed_work+0x470/0x470 [ 20.621132][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621135][ C1] worker_thread+0x4f1/0xd60 [ 20.621138][ C1] ? rescuer_thread+0x1340/0x1340 [ 20.621139][ C1] kthread+0x367/0x460 [ 20.621141][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 20.621143][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 20.621145][ C1] ret_from_fork+0x474/0x6b0 [ 20.621146][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 20.621148][ C1] ? __switch_to+0x5a3/0xe00 [ 20.621151][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 20.621153][ C1] ret_from_fork_asm+0x11/0x20 [ 20.621155][ C1] [ 20.621159][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.621161][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 20.621162][ C1] preempt_count: 103, expected: 0 [ 20.621163][ C1] RCU nest depth: 5, expected: 0 [ 20.621164][ C1] INFO: lockdep is turned off. [ 20.621164][ C1] irq event stamp: 13825 [ 20.621165][ C1] hardirqs last enabled at (13824): [] __down_trylock_console_sem+0x86/0xa0 [ 20.621167][ C1] hardirqs last disabled at (13825): [] console_emit_next_record+0x3d4/0x4c0 [ 20.621169][ C1] softirqs last enabled at (13750): [] __dev_queue_xmit+0x964/0x1b80 [ 20.621171][ C1] softirqs last disabled at (13751): [] do_softirq+0xac/0xe0 [ 20.621172][ C1] Preemption disabled at: [ 20.621173][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 20.621175][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.621177][ C1] Tainted: [W]=WARN [ 20.621178][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.621179][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.621181][ C1] Call Trace: [ 20.621181][ C1] [ 20.621182][ C1] dump_stack_lvl+0x6f/0xa0 [ 20.621184][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 20.621186][ C1] __might_resched.cold+0x1fe/0x2c1 [ 20.621188][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.621191][ C1] ? nbcon_get_cpu_emergency_nesting+0xa/0x30 [ 20.621193][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621195][ C1] __kmalloc_noprof+0x443/0x760 [ 20.621197][ C1] ? __rwlock_init+0x150/0x150 [ 20.621198][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 20.621200][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 20.621202][ C1] alloc_buf.isra.0+0x4b/0x260 [ 20.621204][ C1] put_chars+0x1e1/0x2f0 [ 20.621206][ C1] ? __send_to_port+0x420/0x420 [ 20.621207][ C1] ? mark_lock+0x1d7/0xa00 [ 20.621209][ C1] hvc_console_print+0x292/0x780 [ 20.621212][ C1] ? hvc_write+0x3a0/0x3a0 [ 20.621214][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621215][ C1] ? lock_acquire+0x13c/0x160 [ 20.621217][ C1] console_emit_next_record+0x22f/0x4c0 [ 20.621220][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 20.621221][ C1] ? console_flush_one_record+0x106/0x710 [ 20.621223][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621225][ C1] ? lock_acquire+0x13c/0x160 [ 20.621227][ C1] console_flush_one_record+0x46f/0x710 [ 20.621229][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 20.621231][ C1] ? __lock_acquire+0x518/0xc20 [ 20.621233][ C1] console_unlock+0xee/0x1f0 [ 20.621235][ C1] ? console_flush_one_record+0x710/0x710 [ 20.621236][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621238][ C1] ? lock_acquire+0x60/0x160 [ 20.621240][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.621241][ C1] ? vprintk_emit+0x320/0x3e0 [ 20.621243][ C1] vprintk_emit+0x37c/0x3e0 [ 20.621245][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 20.621247][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621249][ C1] _printk+0xc7/0x100 [ 20.621251][ C1] ? snapshot_read.cold+0x21/0x21 [ 20.621253][ C1] ? ___ratelimit+0x4e7/0xa00 [ 20.621254][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 20.621257][ C1] ? idr_get_free+0x830/0x830 [ 20.621259][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 20.621262][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 20.621265][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 20.621267][ C1] ? __copy_skb_header+0xb7/0x510 [ 20.621269][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 20.621271][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 20.621274][ C1] __strp_recv+0x20f/0x1c20 [ 20.621276][ C1] ? __dev_queue_xmit+0x979/0x1b80 [ 20.621278][ C1] ? ip_finish_output2+0xd9b/0x1bc0 [ 20.621280][ C1] __tcp_read_sock+0x1c7/0x850 [ 20.621281][ C1] ? strp_process+0xb0/0xb0 [ 20.621283][ C1] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.621285][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 20.621286][ C1] ? trace_ipi_send_cpu.constprop.0+0xb3/0x1c0 [ 20.621288][ C1] ? mark_usage+0x61/0x170 [ 20.621290][ C1] strp_read_sock+0x20f/0x2b0 [ 20.621292][ C1] ? strp_stop+0x50/0x50 [ 20.621294][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621296][ C1] ? lock_acquire+0x13c/0x160 [ 20.621297][ C1] strp_data_ready+0x18e/0x2c0 [ 20.621299][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 20.621302][ C1] tcp_data_queue+0xd25/0x1fb0 [ 20.621305][ C1] ? tcp_data_ready+0x4a0/0x4a0 [ 20.621306][ C1] ? tcp_send_dupack+0xc40/0xc40 [ 20.621308][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 20.621309][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 20.621311][ C1] ? ktime_get+0x18e/0x2d0 [ 20.621312][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 20.621314][ C1] tcp_rcv_established+0x66d/0x3910 [ 20.621316][ C1] ? down_read_nested+0x100/0x500 [ 20.621318][ C1] ? __tcp_check_space+0x600/0x600 [ 20.621320][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 20.621321][ C1] ? do_raw_spin_lock+0x131/0x280 [ 20.621323][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 20.621325][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 20.621328][ C1] ? mark_usage+0x61/0x170 [ 20.621329][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 20.621331][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621333][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 20.621335][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 20.621336][ C1] ? process_backlog+0x3f1/0x14c0 [ 20.621338][ C1] ip_local_deliver_finish+0x36f/0x610 [ 20.621340][ C1] ip_local_deliver+0x184/0x4c0 [ 20.621342][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 20.621343][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 20.621346][ C1] ? process_backlog+0x3f1/0x14c0 [ 20.621347][ C1] ip_rcv+0xdc/0x3d0 [ 20.621349][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 20.621350][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.621352][ C1] ? mark_usage+0x61/0x170 [ 20.621353][ C1] ? __lock_acquire+0x518/0xc20 [ 20.621355][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 20.621357][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 20.621359][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621360][ C1] ? process_backlog+0x3f1/0x14c0 [ 20.621362][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 20.621364][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621366][ C1] process_backlog+0x431/0x14c0 [ 20.621369][ C1] __napi_poll+0xa7/0x3b0 [ 20.621371][ C1] net_rx_action+0x513/0xf50 [ 20.621373][ C1] ? __lock_acquire+0x518/0xc20 [ 20.621375][ C1] ? __napi_poll+0x3b0/0x3b0 [ 20.621378][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 20.621380][ C1] ? mark_held_locks+0x40/0x70 [ 20.621382][ C1] handle_softirqs+0x1d3/0x900 [ 20.621384][ C1] ? _local_bh_enable+0xc0/0xc0 [ 20.621385][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 20.621386][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621388][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 20.621390][ C1] do_softirq+0xac/0xe0 [ 20.621392][ C1] [ 20.621392][ C1] [ 20.621393][ C1] __local_bh_enable_ip+0x118/0x150 [ 20.621394][ C1] __dev_queue_xmit+0x979/0x1b80 [ 20.621396][ C1] ? __lock_acquire+0x518/0xc20 [ 20.621398][ C1] ? do_ipv6_getsockopt+0x2030/0x2e80 [ 20.621399][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 20.621401][ C1] ? find_held_lock+0x2b/0x80 [ 20.621402][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621404][ C1] ? __rwlock_init+0x150/0x150 [ 20.621405][ C1] ? mark_held_locks+0x40/0x70 [ 20.621407][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 20.621408][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621409][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621411][ C1] ? ___neigh_create+0x811/0x1070 [ 20.621413][ C1] ip6_finish_output2+0x423/0x12a0 [ 20.621415][ C1] ? ip6_dst_lookup+0x80/0x80 [ 20.621417][ C1] ? find_held_lock+0x2b/0x80 [ 20.621418][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621420][ C1] ? ip6_mtu+0x15d/0x310 [ 20.621422][ C1] ip6_finish_output+0x646/0xda0 [ 20.621424][ C1] ip6_output+0x23f/0x7f0 [ 20.621425][ C1] ? ip6_finish_output+0xda0/0xda0 [ 20.621427][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621428][ C1] ? find_held_lock+0x2b/0x80 [ 20.621430][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621431][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621433][ C1] ndisc_send_skb+0xba3/0x1520 [ 20.621435][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 20.621437][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 20.621438][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 20.621440][ C1] addrconf_dad_completed+0x37e/0xe10 [ 20.621442][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621444][ C1] ? addrconf_rs_timer+0x770/0x770 [ 20.621446][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621447][ C1] ? __rwlock_init+0x150/0x150 [ 20.621448][ C1] ? mark_held_locks+0x40/0x70 [ 20.621450][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 20.621452][ C1] addrconf_dad_begin+0x2e1/0x540 [ 20.621454][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621455][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 20.621457][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 20.621458][ C1] ? __rwlock_init+0x150/0x150 [ 20.621460][ C1] ? mark_held_locks+0x40/0x70 [ 20.621462][ C1] addrconf_dad_work+0x170/0x930 [ 20.621464][ C1] ? addrconf_dad_begin+0x540/0x540 [ 20.621466][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621468][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621470][ C1] ? lock_acquire+0x13c/0x160 [ 20.621471][ C1] ? rcu_is_watching+0x16/0xd0 [ 20.621473][ C1] process_one_work+0xe3e/0x1560 [ 20.621476][ C1] ? __queue_delayed_work+0x470/0x470 [ 20.621477][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 20.621480][ C1] worker_thread+0x4f1/0xd60 [ 20.621483][ C1] ? rescuer_thread+0x1340/0x1340 [ 20.621485][ C1] kthread+0x367/0x460 [ 20.621486][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 20.621487][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 20.621489][ C1] ret_from_fork+0x474/0x6b0 [ 20.621490][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 20.621492][ C1] ? __switch_to+0x5a3/0xe00 [ 20.621494][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 20.621495][ C1] ret_from_fork_asm+0x11/0x20 [ 20.621498][ C1] [ 20.888879][ C3] tun0: no available key for peer 4, key-id: 0 [ 20.960886][ C3] tun0: no available key for peer 5, key-id: 0 [ 26.648338][ T478] iperf3 (478) used greatest stack depth: 23128 bytes left [ 26.648356][ T478] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.648359][ T478] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 478, name: iperf3 [ 26.648360][ T478] preempt_count: 2, expected: 0 [ 26.648361][ T478] RCU nest depth: 0, expected: 0 [ 26.648362][ T478] INFO: lockdep is turned off. [ 26.648363][ T478] irq event stamp: 0 [ 26.648364][ T478] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 26.648368][ T478] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 26.648374][ T478] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 26.648376][ T478] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 26.648377][ T478] Preemption disabled at: [ 26.648378][ T478] [<0000000000000000>] 0x0 [ 26.648383][ T478] CPU: 2 UID: 0 PID: 478 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.648387][ T478] Tainted: [W]=WARN [ 26.648388][ T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.648389][ T478] Call Trace: [ 26.648391][ T478] [ 26.648392][ T478] dump_stack_lvl+0x6f/0xa0 [ 26.648397][ T478] __might_resched.cold+0x1fe/0x2c1 [ 26.648401][ T478] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.648404][ T478] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 26.648406][ T478] ? rcu_is_watching+0x16/0xd0 [ 26.648410][ T478] __kmalloc_noprof+0x443/0x760 [ 26.648414][ T478] ? __rwlock_init+0x150/0x150 [ 26.648416][ T478] ? alloc_buf.isra.0+0x4b/0x260 [ 26.648420][ T478] ? do_raw_spin_unlock+0x59/0x250 [ 26.648421][ T478] alloc_buf.isra.0+0x4b/0x260 [ 26.648423][ T478] put_chars+0x1e1/0x2f0 [ 26.648425][ T478] ? prb_final_commit+0x50/0x50 [ 26.648427][ T478] ? __send_to_port+0x420/0x420 [ 26.648428][ T478] ? printk_get_next_message+0x240/0x650 [ 26.648432][ T478] hvc_console_print+0x292/0x780 [ 26.648435][ T478] ? hvc_write+0x3a0/0x3a0 [ 26.648437][ T478] ? do_raw_spin_lock+0x131/0x280 [ 26.648438][ T478] ? vsnprintf+0x668/0x1700 [ 26.648441][ T478] ? __rwlock_init+0x150/0x150 [ 26.648442][ T478] ? rcu_is_watching+0x16/0xd0 [ 26.648444][ T478] ? lock_acquire+0x13c/0x160 [ 26.648446][ T478] console_emit_next_record+0x22f/0x4c0 [ 26.648449][ T478] ? devkmsg_read+0x4b0/0x4b0 [ 26.648451][ T478] ? rcu_is_watching+0x16/0xd0 [ 26.648452][ T478] ? rcu_is_watching+0x16/0xd0 [ 26.648454][ T478] ? rcu_is_watching+0x16/0xd0 [ 26.648456][ T478] ? lock_acquire+0x13c/0x160 [ 26.648458][ T478] ? console_flush_one_record+0x111/0x710 [ 26.648459][ T478] console_flush_one_record+0x46f/0x710 [ 26.648461][ T478] ? console_emit_next_record+0x4c0/0x4c0 [ 26.648464][ T478] console_unlock+0xee/0x1f0 [ 26.648466][ T478] ? lock_acquire+0x13c/0x160 [ 26.648467][ T478] ? console_flush_one_record+0x710/0x710 [ 26.648469][ T478] ? rcu_is_watching+0x16/0xd0 [ 26.648471][ T478] ? lock_release+0x184/0x1f0 [ 26.648472][ T478] ? lock_acquire+0x60/0x160 [ 26.648473][ T478] ? __rcu_read_lock+0x30/0x70 [ 26.648475][ T478] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.648477][ T478] ? vprintk_emit+0x320/0x3e0 [ 26.648479][ T478] vprintk_emit+0x37c/0x3e0 [ 26.648481][ T478] ? wake_up_klogd_work_func+0x90/0x90 [ 26.648484][ T478] _printk+0xc7/0x100 [ 26.648487][ T478] ? snapshot_read.cold+0x21/0x21 [ 26.648488][ T478] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.648491][ T478] ? do_raw_spin_lock+0x131/0x280 [ 26.648492][ T478] ? __rwlock_init+0x150/0x150 [ 26.648496][ T478] ? do_raw_spin_lock+0x131/0x280 [ 26.648498][ T478] do_exit.cold+0x82/0x9c [ 26.648501][ T478] ? exit_notify+0x890/0x890 [ 26.648504][ T478] __x64_sys_exit+0x42/0x50 [ 26.648505][ T478] x64_sys_call+0x156c/0x1570 [ 26.648507][ T478] do_syscall_64+0xff/0x530 [ 26.648510][ T478] ? exc_page_fault+0xee/0x100 [ 26.648511][ T478] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.648514][ T478] RIP: 0033:0x7f9ce77ccc49 [ 26.648515][ T478] Code: Unable to access opcode bytes at 0x7f9ce77ccc1f. [ 26.648516][ T478] RSP: 002b:00007f9ce6f8be60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 26.648520][ T478] RAX: ffffffffffffffda RBX: 00007f9ce6f8c6c0 RCX: 00007f9ce77ccc49 [ 26.648521][ T478] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 26.648522][ T478] RBP: 00007f9ce6f8bf70 R08: 0000000000000001 R09: 00007f9ce6f8c6c0 [ 26.648523][ T478] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f9ce678c000 [ 26.648524][ T478] R13: 00007ffc4c1fe440 R14: 0000000000000002 R15: 00007ffc4c1fe547 [ 26.648526][ T478] [ 26.814555][ T350] tun1: deleting peer with id 10, reason 4 [ 26.815289][ T357] tun2: deleting peer with id 11, reason 4 [ 26.815302][ T371] tun4: deleting peer with id 13, reason 4 [ 26.815762][ T378] tun5: deleting peer with id 14, reason 4 [ 26.816166][ T364] tun3: deleting peer with id 12, reason 4 [ 26.816473][ T386] tun6: deleting peer with id 15, reason 4 [ 26.818351][ T385] tun0: deleting peer with id 6, reason 4 [ 26.822746][ T385] tun0: deleting peer with id 5, reason 4 [ 26.825729][ T385] tun0: deleting peer with id 4, reason 4 [ 26.835725][ T385] tun0: deleting peer with id 3, reason 4 [ 26.843723][ T385] tun0: deleting peer with id 2, reason 4 [ 26.852993][ T385] tun0: deleting peer with id 1, reason 4