[ 15.578703][ T300] ip (300) used greatest stack depth: 24432 bytes left [ 15.578719][ T300] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.578721][ T300] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 300, name: ip [ 15.578723][ T300] preempt_count: 2, expected: 0 [ 15.578724][ T300] RCU nest depth: 0, expected: 0 [ 15.578725][ T300] locks held by ip/300: 5, last CPU#1: [ 15.578727][ T300] #0: ffffffff8d8127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.578739][ T300] #1: ffffffff8d979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.578745][ T300] #2: ffffffff8d979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.578749][ T300] #3: ffffffff8d899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.578752][ T300] #4: ffffffff8d899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.578756][ T300] irq event stamp: 36246 [ 15.578757][ T300] hardirqs last enabled at (36245): [] __down_trylock_console_sem+0x86/0xa0 [ 15.578760][ T300] hardirqs last disabled at (36246): [] console_emit_next_record+0x3d4/0x4c0 [ 15.578762][ T300] softirqs last enabled at (34962): [] netlink_release+0x17b/0xcf0 [ 15.578766][ T300] softirqs last disabled at (34960): [] netlink_release+0xd2/0xcf0 [ 15.578769][ T300] Preemption disabled at: [ 15.578770][ T300] [<0000000000000000>] 0x0 [ 15.578777][ T300] CPU: 1 UID: 0 PID: 300 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.578780][ T300] Tainted: [W]=WARN [ 15.578781][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.578783][ T300] Call Trace: [ 15.578785][ T300] [ 15.578786][ T300] dump_stack_lvl+0x6f/0xa0 [ 15.578793][ T300] __might_resched.cold+0x1fe/0x2c1 [ 15.578797][ T300] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.578801][ T300] ? __kmalloc_noprof+0xdb/0x760 [ 15.578806][ T300] __kmalloc_noprof+0x443/0x760 [ 15.578809][ T300] ? alloc_buf.isra.0+0x4b/0x260 [ 15.578817][ T300] ? do_raw_spin_unlock+0x59/0x250 [ 15.578821][ T300] alloc_buf.isra.0+0x4b/0x260 [ 15.578826][ T300] put_chars+0x1e1/0x2f0 [ 15.578830][ T300] ? __send_to_port+0x420/0x420 [ 15.578833][ T300] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.578840][ T300] ? validate_chain+0x38b/0xc20 [ 15.578846][ T300] hvc_console_print+0x292/0x780 [ 15.578853][ T300] ? hvc_write+0x3a0/0x3a0 [ 15.578855][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.578858][ T300] ? lock_acquire+0x13c/0x160 [ 15.578862][ T300] console_emit_next_record+0x22f/0x4c0 [ 15.578866][ T300] ? devkmsg_read+0x4b0/0x4b0 [ 15.578868][ T300] ? console_flush_one_record+0x106/0x710 [ 15.578871][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.578874][ T300] ? lock_acquire+0x13c/0x160 [ 15.578878][ T300] console_flush_one_record+0x46f/0x710 [ 15.578882][ T300] ? console_emit_next_record+0x4c0/0x4c0 [ 15.578884][ T300] ? __lock_acquire+0x518/0xc20 [ 15.578889][ T300] console_unlock+0xee/0x1f0 [ 15.578892][ T300] ? console_flush_one_record+0x710/0x710 [ 15.578894][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.578896][ T300] ? lock_acquire+0x60/0x160 [ 15.578900][ T300] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.578902][ T300] ? vprintk_emit+0x320/0x3e0 [ 15.578905][ T300] vprintk_emit+0x37c/0x3e0 [ 15.578909][ T300] ? wake_up_klogd_work_func+0x90/0x90 [ 15.578913][ T300] ? __lock_acquire+0x518/0xc20 [ 15.578917][ T300] _printk+0xc7/0x100 [ 15.578920][ T300] ? snapshot_read.cold+0x21/0x21 [ 15.578923][ T300] ? do_raw_spin_lock+0x131/0x280 [ 15.578926][ T300] ? __rwlock_init+0x150/0x150 [ 15.578930][ T300] ? do_raw_spin_lock+0x131/0x280 [ 15.578933][ T300] do_exit.cold+0x82/0x9c [ 15.578936][ T300] ? exit_notify+0x890/0x890 [ 15.578938][ T300] ? __lock_release.isra.0+0x69/0x1a0 [ 15.578941][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.578945][ T300] do_group_exit+0xb8/0x370 [ 15.578948][ T300] __x64_sys_exit_group+0x3c/0x50 [ 15.578950][ T300] x64_sys_call+0x1567/0x1570 [ 15.578953][ T300] do_syscall_64+0xff/0x530 [ 15.578957][ T300] ? exc_page_fault+0xee/0x100 [ 15.578959][ T300] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.578962][ T300] RIP: 0033:0x7f57071f51b8 [ 15.578964][ T300] Code: Unable to access opcode bytes at 0x7f57071f518e. [ 15.578965][ T300] RSP: 002b:00007ffce02e8a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.578968][ T300] RAX: ffffffffffffffda RBX: 00007f5707325f88 RCX: 00007f57071f51b8 [ 15.578969][ T300] RDX: 00007f5706f3ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.578970][ T300] RBP: 00007ffce02e8a90 R08: 0000000000000000 R09: 0000000000000000 [ 15.578971][ T300] R10: 00007ffce02e8850 R11: 0000000000000246 R12: 0000000000000001 [ 15.578972][ T300] R13: 0000000000000000 R14: 00007f5707324680 R15: 00007f5707325fa0 [ 15.578979][ T300] [ 15.834666][ T308] ip (308) used greatest stack depth: 23840 bytes left [ 23.490709][ C1] tun0: no available key for peer 2, key-id: 0 [ 23.490745][ C1] [ 23.490747][ C1] ======================================================== [ 23.490748][ C1] WARNING: possible irq lock inversion dependency detected [ 23.490749][ C1] 7.2.0-virtme #1 Tainted: G W [ 23.490751][ C1] -------------------------------------------------------- [ 23.490752][ C1] kworker/u16:1/69 just changed the state of lock: [ 23.490753][ C1] ffffffff8d899660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.490767][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 23.490768][ C1] (fs_reclaim){+.+.}-{0:0} [ 23.490769][ C1] [ 23.490769][ C1] [ 23.490769][ C1] and interrupts could create inverse lock ordering between them. [ 23.490769][ C1] [ 23.490770][ C1] [ 23.490770][ C1] other info that might help us debug this: [ 23.490771][ C1] Possible interrupt unsafe locking scenario: [ 23.490771][ C1] [ 23.490772][ C1] CPU0 CPU1 [ 23.490772][ C1] ---- ---- [ 23.490772][ C1] lock(fs_reclaim); [ 23.490773][ C1] local_irq_disable(); [ 23.490774][ C1] lock(console_owner); [ 23.490775][ C1] lock(fs_reclaim); [ 23.490776][ C1] [ 23.490776][ C1] lock(console_owner); [ 23.490777][ C1] [ 23.490777][ C1] *** DEADLOCK *** [ 23.490777][ C1] [ 23.490777][ C1] locks held by kworker/u16:1/69: 11, last CPU#1: [ 23.490779][ C1] #0: ff11000008d81d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 23.490784][ C1] #1: ffa00000004a7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 23.490788][ C1] #2: ffffffff8e0e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 23.490793][ C1] #3: ffffffff8d990b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 23.490797][ C1] #4: ffffffff8d990b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 23.490800][ C1] #5: ffffffff8d990b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 23.490806][ C1] #6: ffffffff8d990b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 23.490810][ C1] #7: ff110000206eb818 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 23.490817][ C1] #8: ffffffff8d990b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 23.490827][ C1] #9: ffffffff8d979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.490831][ C1] #10: ffffffff8d979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.490834][ C1] [ 23.490834][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 23.490840][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 23.490842][ C1] HARDIRQ-ON-W at: [ 23.490844][ C1] __lock_acquire+0x388/0xc20 [ 23.490847][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.490848][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.490851][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 23.490854][ C1] kthread_create_worker_on_node+0xea/0x210 [ 23.490856][ C1] workqueue_init+0x2a/0x680 [ 23.490860][ C1] kernel_init_freeable+0x2fe/0x630 [ 23.490863][ C1] kernel_init+0x21/0x150 [ 23.490866][ C1] ret_from_fork+0x474/0x6b0 [ 23.490869][ C1] ret_from_fork_asm+0x11/0x20 [ 23.490872][ C1] SOFTIRQ-ON-W at: [ 23.490872][ C1] __lock_acquire+0x388/0xc20 [ 23.490874][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.490875][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.490876][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 23.490878][ C1] kthread_create_worker_on_node+0xea/0x210 [ 23.490879][ C1] workqueue_init+0x2a/0x680 [ 23.490881][ C1] kernel_init_freeable+0x2fe/0x630 [ 23.490882][ C1] kernel_init+0x21/0x150 [ 23.490884][ C1] ret_from_fork+0x474/0x6b0 [ 23.490885][ C1] ret_from_fork_asm+0x11/0x20 [ 23.490886][ C1] INITIAL USE at: [ 23.490887][ C1] __lock_acquire+0x388/0xc20 [ 23.490888][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.490890][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.490891][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 23.490892][ C1] kthread_create_worker_on_node+0xea/0x210 [ 23.490894][ C1] workqueue_init+0x2a/0x680 [ 23.490895][ C1] kernel_init_freeable+0x2fe/0x630 [ 23.490897][ C1] kernel_init+0x21/0x150 [ 23.490898][ C1] ret_from_fork+0x474/0x6b0 [ 23.490899][ C1] ret_from_fork_asm+0x11/0x20 [ 23.490900][ C1] } [ 23.490901][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 23.490905][ C1] ... acquired at: [ 23.490906][ C1] __lock_acquire+0x518/0xc20 [ 23.490907][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.490908][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.490909][ C1] __kmalloc_noprof+0xd3/0x760 [ 23.490911][ C1] alloc_buf.isra.0+0x4b/0x260 [ 23.490914][ C1] put_chars+0x1e1/0x2f0 [ 23.490916][ C1] hvc_console_print+0x292/0x780 [ 23.490918][ C1] console_emit_next_record+0x22f/0x4c0 [ 23.490920][ C1] console_flush_one_record+0x46f/0x710 [ 23.490921][ C1] console_unlock+0xee/0x1f0 [ 23.490923][ C1] vprintk_emit+0x37c/0x3e0 [ 23.490924][ C1] dev_vprintk_emit+0x27f/0x2c0 [ 23.490928][ C1] dev_printk_emit+0xb9/0xee [ 23.490930][ C1] _dev_info+0xe2/0x116 [ 23.490931][ C1] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 23.490934][ C1] cmos_do_probe+0x73b/0x98a [ 23.490935][ C1] platform_probe+0xfe/0x1f0 [ 23.490938][ C1] call_driver_probe+0x61/0x1c0 [ 23.490940][ C1] really_probe+0x199/0x760 [ 23.490942][ C1] __driver_probe_device+0x24f/0x440 [ 23.490944][ C1] driver_probe_device+0x4a/0xf0 [ 23.490945][ C1] __driver_attach+0x1b8/0x540 [ 23.490947][ C1] bus_for_each_dev+0x130/0x1e0 [ 23.490948][ C1] bus_add_driver+0x2c8/0x530 [ 23.490950][ C1] driver_register+0x1a3/0x390 [ 23.490952][ C1] __platform_driver_probe+0x13f/0x270 [ 23.490953][ C1] cmos_init+0x31/0x40 [ 23.490956][ C1] do_one_initcall+0x124/0x4f0 [ 23.490957][ C1] kernel_init_freeable+0x596/0x630 [ 23.490959][ C1] kernel_init+0x21/0x150 [ 23.490960][ C1] ret_from_fork+0x474/0x6b0 [ 23.490961][ C1] ret_from_fork_asm+0x11/0x20 [ 23.490963][ C1] [ 23.490963][ C1] -> (console_owner){..-.}-{0:0} { [ 23.490965][ C1] IN-SOFTIRQ-W at: [ 23.490965][ C1] __lock_acquire+0x388/0xc20 [ 23.490967][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.490968][ C1] console_lock_spinning_enable+0x5c/0x60 [ 23.490970][ C1] console_emit_next_record+0x1d1/0x4c0 [ 23.490972][ C1] console_flush_one_record+0x46f/0x710 [ 23.490973][ C1] console_unlock+0xee/0x1f0 [ 23.490975][ C1] vprintk_emit+0x37c/0x3e0 [ 23.490976][ C1] _printk+0xc7/0x100 [ 23.490979][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.490983][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.490985][ C1] __strp_recv+0x20f/0x1c20 [ 23.490988][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.490990][ C1] strp_read_sock+0x20f/0x2b0 [ 23.490993][ C1] strp_data_ready+0x18e/0x2c0 [ 23.490994][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.490997][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 23.490999][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.491000][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.491002][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.491003][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.491005][ C1] ip_local_deliver+0x184/0x4c0 [ 23.491006][ C1] ip_rcv+0xdc/0x3d0 [ 23.491007][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.491009][ C1] process_backlog+0x431/0x14c0 [ 23.491011][ C1] __napi_poll+0xa7/0x3b0 [ 23.491013][ C1] net_rx_action+0x513/0xf50 [ 23.491014][ C1] handle_softirqs+0x1d3/0x900 [ 23.491017][ C1] do_softirq+0xac/0xe0 [ 23.491018][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.491019][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.491021][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.491023][ C1] ip6_finish_output+0x646/0xda0 [ 23.491024][ C1] ip6_output+0x23f/0x7f0 [ 23.491025][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.491026][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.491028][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.491030][ C1] addrconf_dad_work+0x170/0x930 [ 23.491032][ C1] process_one_work+0xe3e/0x1560 [ 23.491033][ C1] worker_thread+0x4f1/0xd60 [ 23.491035][ C1] kthread+0x367/0x460 [ 23.491037][ C1] ret_from_fork+0x474/0x6b0 [ 23.491038][ C1] ret_from_fork_asm+0x11/0x20 [ 23.491039][ C1] INITIAL USE at: [ 23.491040][ C1] } [ 23.491040][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 23.491044][ C1] ... acquired at: [ 23.491045][ C1] mark_lock+0x1d7/0xa00 [ 23.491046][ C1] mark_usage+0x42/0x170 [ 23.491047][ C1] __lock_acquire+0x388/0xc20 [ 23.491049][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.491050][ C1] console_lock_spinning_enable+0x5c/0x60 [ 23.491052][ C1] console_emit_next_record+0x1d1/0x4c0 [ 23.491053][ C1] console_flush_one_record+0x46f/0x710 [ 23.491055][ C1] console_unlock+0xee/0x1f0 [ 23.491056][ C1] vprintk_emit+0x37c/0x3e0 [ 23.491058][ C1] _printk+0xc7/0x100 [ 23.491059][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.491062][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.491064][ C1] __strp_recv+0x20f/0x1c20 [ 23.491066][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.491067][ C1] strp_read_sock+0x20f/0x2b0 [ 23.491069][ C1] strp_data_ready+0x18e/0x2c0 [ 23.491070][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.491073][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 23.491074][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.491076][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.491077][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.491079][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.491080][ C1] ip_local_deliver+0x184/0x4c0 [ 23.491081][ C1] ip_rcv+0xdc/0x3d0 [ 23.491083][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.491084][ C1] process_backlog+0x431/0x14c0 [ 23.491086][ C1] __napi_poll+0xa7/0x3b0 [ 23.491088][ C1] net_rx_action+0x513/0xf50 [ 23.491089][ C1] handle_softirqs+0x1d3/0x900 [ 23.491091][ C1] do_softirq+0xac/0xe0 [ 23.491092][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.491093][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.491095][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.491096][ C1] ip6_finish_output+0x646/0xda0 [ 23.491098][ C1] ip6_output+0x23f/0x7f0 [ 23.491099][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.491100][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.491102][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.491103][ C1] addrconf_dad_work+0x170/0x930 [ 23.491105][ C1] process_one_work+0xe3e/0x1560 [ 23.491107][ C1] worker_thread+0x4f1/0xd60 [ 23.491108][ C1] kthread+0x367/0x460 [ 23.491110][ C1] ret_from_fork+0x474/0x6b0 [ 23.491111][ C1] ret_from_fork_asm+0x11/0x20 [ 23.491112][ C1] [ 23.491112][ C1] [ 23.491112][ C1] stack backtrace: [ 23.491115][ C1] CPU: 1 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.491118][ C1] Tainted: [W]=WARN [ 23.491119][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.491121][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.491125][ C1] Call Trace: [ 23.491126][ C1] [ 23.491128][ C1] dump_stack_lvl+0x6f/0xa0 [ 23.491138][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 23.491141][ C1] mark_lock_irq+0x989/0x9c0 [ 23.491144][ C1] mark_lock+0x1d7/0xa00 [ 23.491145][ C1] mark_usage+0x42/0x170 [ 23.491147][ C1] __lock_acquire+0x388/0xc20 [ 23.491149][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.491151][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 23.491153][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491157][ C1] ? lock_acquire+0x13c/0x160 [ 23.491159][ C1] console_lock_spinning_enable+0x5c/0x60 [ 23.491161][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 23.491163][ C1] console_emit_next_record+0x1d1/0x4c0 [ 23.491165][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 23.491167][ C1] ? console_flush_one_record+0x106/0x710 [ 23.491169][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491171][ C1] ? lock_acquire+0x13c/0x160 [ 23.491173][ C1] console_flush_one_record+0x46f/0x710 [ 23.491175][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 23.491177][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491179][ C1] console_unlock+0xee/0x1f0 [ 23.491181][ C1] ? console_flush_one_record+0x710/0x710 [ 23.491183][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491185][ C1] ? lock_acquire+0x60/0x160 [ 23.491186][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.491188][ C1] ? vprintk_emit+0x320/0x3e0 [ 23.491190][ C1] vprintk_emit+0x37c/0x3e0 [ 23.491193][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 23.491195][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491197][ C1] _printk+0xc7/0x100 [ 23.491199][ C1] ? snapshot_read.cold+0x21/0x21 [ 23.491201][ C1] ? ___ratelimit+0x4e7/0xa00 [ 23.491204][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 23.491208][ C1] ? idr_get_free+0x830/0x830 [ 23.491210][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.491213][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.491216][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 23.491219][ C1] ? __copy_skb_header+0xb7/0x510 [ 23.491222][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 23.491224][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 23.491227][ C1] __strp_recv+0x20f/0x1c20 [ 23.491230][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.491232][ C1] ? strp_process+0xb0/0xb0 [ 23.491234][ C1] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 23.491235][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 23.491237][ C1] ? mark_usage+0x61/0x170 [ 23.491239][ C1] strp_read_sock+0x20f/0x2b0 [ 23.491241][ C1] ? strp_stop+0x50/0x50 [ 23.491243][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491245][ C1] ? lock_acquire+0x13c/0x160 [ 23.491247][ C1] strp_data_ready+0x18e/0x2c0 [ 23.491249][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.491252][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 23.491255][ C1] ? __tcp_check_space+0x600/0x600 [ 23.491257][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 23.491259][ C1] ? do_raw_spin_lock+0x131/0x280 [ 23.491261][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.491263][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.491266][ C1] ? mark_usage+0x61/0x170 [ 23.491268][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 23.491270][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491272][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 23.491274][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.491276][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.491278][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.491280][ C1] ip_local_deliver+0x184/0x4c0 [ 23.491281][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 23.491283][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 23.491286][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.491287][ C1] ip_rcv+0xdc/0x3d0 [ 23.491289][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 23.491291][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491293][ C1] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 23.491295][ C1] ? mark_usage+0x61/0x170 [ 23.491297][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491298][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 23.491301][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.491303][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491305][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.491307][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 23.491309][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491311][ C1] process_backlog+0x431/0x14c0 [ 23.491314][ C1] __napi_poll+0xa7/0x3b0 [ 23.491316][ C1] net_rx_action+0x513/0xf50 [ 23.491319][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491321][ C1] ? __napi_poll+0x3b0/0x3b0 [ 23.491325][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 23.491328][ C1] ? mark_held_locks+0x40/0x70 [ 23.491330][ C1] handle_softirqs+0x1d3/0x900 [ 23.491332][ C1] ? _local_bh_enable+0xc0/0xc0 [ 23.491333][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 23.491335][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491337][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 23.491339][ C1] do_softirq+0xac/0xe0 [ 23.491341][ C1] [ 23.491341][ C1] [ 23.491342][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.491343][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.491346][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491347][ C1] ? do_ipv6_getsockopt+0x1930/0x2e80 [ 23.491349][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 23.491351][ C1] ? find_held_lock+0x2b/0x80 [ 23.491353][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491354][ C1] ? __rwlock_init+0x150/0x150 [ 23.491356][ C1] ? mark_held_locks+0x40/0x70 [ 23.491358][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 23.491360][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491361][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491362][ C1] ? ___neigh_create+0x811/0x1070 [ 23.491365][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.491368][ C1] ? ip6_dst_lookup+0x80/0x80 [ 23.491369][ C1] ? find_held_lock+0x2b/0x80 [ 23.491371][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491373][ C1] ? ip6_mtu+0x15d/0x310 [ 23.491375][ C1] ip6_finish_output+0x646/0xda0 [ 23.491377][ C1] ip6_output+0x23f/0x7f0 [ 23.491383][ C1] ? ip6_finish_output+0xda0/0xda0 [ 23.491385][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491386][ C1] ? find_held_lock+0x2b/0x80 [ 23.491388][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491389][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491391][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.491393][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 23.491395][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 23.491397][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491399][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.491401][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491403][ C1] ? addrconf_rs_timer+0x770/0x770 [ 23.491405][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491406][ C1] ? __rwlock_init+0x150/0x150 [ 23.491408][ C1] ? mark_held_locks+0x40/0x70 [ 23.491410][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 23.491412][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.491414][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491416][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 23.491417][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491419][ C1] ? __rwlock_init+0x150/0x150 [ 23.491421][ C1] ? mark_held_locks+0x40/0x70 [ 23.491423][ C1] addrconf_dad_work+0x170/0x930 [ 23.491425][ C1] ? addrconf_dad_begin+0x540/0x540 [ 23.491427][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491429][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491431][ C1] ? lock_acquire+0x13c/0x160 [ 23.491432][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491435][ C1] process_one_work+0xe3e/0x1560 [ 23.491438][ C1] ? __queue_delayed_work+0x470/0x470 [ 23.491440][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491443][ C1] worker_thread+0x4f1/0xd60 [ 23.491445][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.491447][ C1] ? __kthread_parkme+0xbd/0x210 [ 23.491448][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.491450][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.491452][ C1] kthread+0x367/0x460 [ 23.491453][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.491456][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.491458][ C1] ret_from_fork+0x474/0x6b0 [ 23.491459][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.491461][ C1] ? __switch_to+0x5a3/0xe00 [ 23.491464][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.491466][ C1] ret_from_fork_asm+0x11/0x20 [ 23.491469][ C1] [ 23.491473][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.491475][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 69, name: kworker/u16:1 [ 23.491476][ C1] preempt_count: 103, expected: 0 [ 23.491477][ C1] RCU nest depth: 5, expected: 0 [ 23.491477][ C1] INFO: lockdep is turned off. [ 23.491478][ C1] irq event stamp: 13835 [ 23.491479][ C1] hardirqs last enabled at (13834): [] __down_trylock_console_sem+0x86/0xa0 [ 23.491481][ C1] hardirqs last disabled at (13835): [] console_emit_next_record+0x3d4/0x4c0 [ 23.491483][ C1] softirqs last enabled at (13718): [] __dev_queue_xmit+0x964/0x1b80 [ 23.491485][ C1] softirqs last disabled at (13719): [] do_softirq+0xac/0xe0 [ 23.491487][ C1] Preemption disabled at: [ 23.491488][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 23.491491][ C1] CPU: 1 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.491493][ C1] Tainted: [W]=WARN [ 23.491493][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.491494][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.491496][ C1] Call Trace: [ 23.491497][ C1] [ 23.491497][ C1] dump_stack_lvl+0x6f/0xa0 [ 23.491500][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 23.491502][ C1] __might_resched.cold+0x1fe/0x2c1 [ 23.491505][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.491508][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491510][ C1] __kmalloc_noprof+0x443/0x760 [ 23.491512][ C1] ? __rwlock_init+0x150/0x150 [ 23.491513][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 23.491515][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 23.491517][ C1] alloc_buf.isra.0+0x4b/0x260 [ 23.491519][ C1] put_chars+0x1e1/0x2f0 [ 23.491521][ C1] ? __send_to_port+0x420/0x420 [ 23.491524][ C1] hvc_console_print+0x292/0x780 [ 23.491526][ C1] ? __lock_acquire+0x388/0xc20 [ 23.491528][ C1] ? hvc_write+0x3a0/0x3a0 [ 23.491529][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491531][ C1] ? lock_acquire+0x13c/0x160 [ 23.491533][ C1] console_emit_next_record+0x22f/0x4c0 [ 23.491536][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 23.491537][ C1] ? console_flush_one_record+0x106/0x710 [ 23.491539][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491541][ C1] ? lock_acquire+0x13c/0x160 [ 23.491543][ C1] console_flush_one_record+0x46f/0x710 [ 23.491546][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 23.491547][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491550][ C1] console_unlock+0xee/0x1f0 [ 23.491552][ C1] ? console_flush_one_record+0x710/0x710 [ 23.491553][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491555][ C1] ? lock_acquire+0x60/0x160 [ 23.491557][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.491559][ C1] ? vprintk_emit+0x320/0x3e0 [ 23.491561][ C1] vprintk_emit+0x37c/0x3e0 [ 23.491563][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 23.491565][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491567][ C1] _printk+0xc7/0x100 [ 23.491569][ C1] ? snapshot_read.cold+0x21/0x21 [ 23.491571][ C1] ? ___ratelimit+0x4e7/0xa00 [ 23.491572][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 23.491575][ C1] ? idr_get_free+0x830/0x830 [ 23.491577][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.491580][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.491583][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 23.491586][ C1] ? __copy_skb_header+0xb7/0x510 [ 23.491588][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 23.491590][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 23.491592][ C1] __strp_recv+0x20f/0x1c20 [ 23.491596][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.491597][ C1] ? strp_process+0xb0/0xb0 [ 23.491599][ C1] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 23.491601][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 23.491602][ C1] ? mark_usage+0x61/0x170 [ 23.491604][ C1] strp_read_sock+0x20f/0x2b0 [ 23.491607][ C1] ? strp_stop+0x50/0x50 [ 23.491609][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491611][ C1] ? lock_acquire+0x13c/0x160 [ 23.491612][ C1] strp_data_ready+0x18e/0x2c0 [ 23.491615][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.491617][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 23.491620][ C1] ? __tcp_check_space+0x600/0x600 [ 23.491622][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 23.491624][ C1] ? do_raw_spin_lock+0x131/0x280 [ 23.491626][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.491628][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.491631][ C1] ? mark_usage+0x61/0x170 [ 23.491633][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 23.491635][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491636][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 23.491638][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.491640][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.491642][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.491644][ C1] ip_local_deliver+0x184/0x4c0 [ 23.491646][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 23.491648][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 23.491650][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.491652][ C1] ip_rcv+0xdc/0x3d0 [ 23.491654][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 23.491655][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491657][ C1] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 23.491659][ C1] ? mark_usage+0x61/0x170 [ 23.491661][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491662][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 23.491664][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.491666][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491668][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.491669][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 23.491672][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491674][ C1] process_backlog+0x431/0x14c0 [ 23.491677][ C1] __napi_poll+0xa7/0x3b0 [ 23.491679][ C1] net_rx_action+0x513/0xf50 [ 23.491682][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491683][ C1] ? __napi_poll+0x3b0/0x3b0 [ 23.491687][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 23.491689][ C1] ? mark_held_locks+0x40/0x70 [ 23.491691][ C1] handle_softirqs+0x1d3/0x900 [ 23.491693][ C1] ? _local_bh_enable+0xc0/0xc0 [ 23.491694][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 23.491696][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491698][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 23.491700][ C1] do_softirq+0xac/0xe0 [ 23.491701][ C1] [ 23.491702][ C1] [ 23.491702][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.491704][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.491706][ C1] ? __lock_acquire+0x518/0xc20 [ 23.491708][ C1] ? do_ipv6_getsockopt+0x1930/0x2e80 [ 23.491710][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 23.491712][ C1] ? find_held_lock+0x2b/0x80 [ 23.491713][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491715][ C1] ? __rwlock_init+0x150/0x150 [ 23.491716][ C1] ? mark_held_locks+0x40/0x70 [ 23.491718][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 23.491719][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491721][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491722][ C1] ? ___neigh_create+0x811/0x1070 [ 23.491725][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.491727][ C1] ? ip6_dst_lookup+0x80/0x80 [ 23.491728][ C1] ? find_held_lock+0x2b/0x80 [ 23.491730][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491732][ C1] ? ip6_mtu+0x15d/0x310 [ 23.491734][ C1] ip6_finish_output+0x646/0xda0 [ 23.491736][ C1] ip6_output+0x23f/0x7f0 [ 23.491738][ C1] ? ip6_finish_output+0xda0/0xda0 [ 23.491739][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491741][ C1] ? find_held_lock+0x2b/0x80 [ 23.491742][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491744][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491746][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.491748][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 23.491750][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 23.491752][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.491754][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.491756][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491758][ C1] ? addrconf_rs_timer+0x770/0x770 [ 23.491760][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491761][ C1] ? __rwlock_init+0x150/0x150 [ 23.491763][ C1] ? mark_held_locks+0x40/0x70 [ 23.491765][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 23.491767][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.491769][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491770][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 23.491772][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.491774][ C1] ? __rwlock_init+0x150/0x150 [ 23.491775][ C1] ? mark_held_locks+0x40/0x70 [ 23.491777][ C1] addrconf_dad_work+0x170/0x930 [ 23.491780][ C1] ? addrconf_dad_begin+0x540/0x540 [ 23.491782][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491784][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491786][ C1] ? lock_acquire+0x13c/0x160 [ 23.491787][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.491789][ C1] process_one_work+0xe3e/0x1560 [ 23.491792][ C1] ? __queue_delayed_work+0x470/0x470 [ 23.491794][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.491797][ C1] worker_thread+0x4f1/0xd60 [ 23.491800][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.491801][ C1] ? __kthread_parkme+0xbd/0x210 [ 23.491803][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.491805][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.491806][ C1] kthread+0x367/0x460 [ 23.491808][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.491809][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.491812][ C1] ret_from_fork+0x474/0x6b0 [ 23.491815][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.491818][ C1] ? __switch_to+0x5a3/0xe00 [ 23.491820][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.491822][ C1] ret_from_fork_asm+0x11/0x20 [ 23.491825][ C1] [ 23.703575][ C0] tun0: no available key for peer 3, key-id: 0 [ 23.779901][ C3] tun0: no available key for peer 4, key-id: 0 [ 23.932617][ C1] tun0: no available key for peer 6, key-id: 0 [ 32.590558][ T625] iperf3 (625) used greatest stack depth: 23128 bytes left [ 32.590576][ T625] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.590578][ T625] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 625, name: iperf3 [ 32.590580][ T625] preempt_count: 2, expected: 0 [ 32.590581][ T625] RCU nest depth: 0, expected: 0 [ 32.590582][ T625] INFO: lockdep is turned off. [ 32.590583][ T625] irq event stamp: 0 [ 32.590584][ T625] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.590589][ T625] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.590596][ T625] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.590598][ T625] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.590600][ T625] Preemption disabled at: [ 32.590600][ T625] [<0000000000000000>] 0x0 [ 32.590605][ T625] CPU: 2 UID: 0 PID: 625 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.590609][ T625] Tainted: [W]=WARN [ 32.590610][ T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.590612][ T625] Call Trace: [ 32.590614][ T625] [ 32.590615][ T625] dump_stack_lvl+0x6f/0xa0 [ 32.590621][ T625] __might_resched.cold+0x1fe/0x2c1 [ 32.590625][ T625] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.590629][ T625] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 32.590632][ T625] ? rcu_is_watching+0x16/0xd0 [ 32.590636][ T625] __kmalloc_noprof+0x443/0x760 [ 32.590640][ T625] ? __rwlock_init+0x150/0x150 [ 32.590643][ T625] ? alloc_buf.isra.0+0x4b/0x260 [ 32.590647][ T625] ? do_raw_spin_unlock+0x59/0x250 [ 32.590649][ T625] alloc_buf.isra.0+0x4b/0x260 [ 32.590651][ T625] put_chars+0x1e1/0x2f0 [ 32.590653][ T625] ? prb_final_commit+0x50/0x50 [ 32.590655][ T625] ? __send_to_port+0x420/0x420 [ 32.590656][ T625] ? printk_get_next_message+0x240/0x650 [ 32.590660][ T625] hvc_console_print+0x292/0x780 [ 32.590664][ T625] ? hvc_write+0x3a0/0x3a0 [ 32.590665][ T625] ? do_raw_spin_lock+0x131/0x280 [ 32.590667][ T625] ? vsnprintf+0x668/0x1700 [ 32.590670][ T625] ? __rwlock_init+0x150/0x150 [ 32.590672][ T625] ? rcu_is_watching+0x16/0xd0 [ 32.590674][ T625] ? lock_acquire+0x13c/0x160 [ 32.590676][ T625] console_emit_next_record+0x22f/0x4c0 [ 32.590679][ T625] ? devkmsg_read+0x4b0/0x4b0 [ 32.590681][ T625] ? rcu_is_watching+0x16/0xd0 [ 32.590683][ T625] ? rcu_is_watching+0x16/0xd0 [ 32.590684][ T625] ? rcu_is_watching+0x16/0xd0 [ 32.590686][ T625] ? lock_acquire+0x13c/0x160 [ 32.590688][ T625] ? console_flush_one_record+0x111/0x710 [ 32.590690][ T625] console_flush_one_record+0x46f/0x710 [ 32.590693][ T625] ? console_emit_next_record+0x4c0/0x4c0 [ 32.590695][ T625] console_unlock+0xee/0x1f0 [ 32.590697][ T625] ? lock_acquire+0x13c/0x160 [ 32.590699][ T625] ? console_flush_one_record+0x710/0x710 [ 32.590701][ T625] ? rcu_is_watching+0x16/0xd0 [ 32.590702][ T625] ? lock_release+0x184/0x1f0 [ 32.590704][ T625] ? lock_acquire+0x60/0x160 [ 32.590705][ T625] ? __rcu_read_lock+0x30/0x70 [ 32.590707][ T625] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.590709][ T625] ? vprintk_emit+0x320/0x3e0 [ 32.590711][ T625] vprintk_emit+0x37c/0x3e0 [ 32.590714][ T625] ? wake_up_klogd_work_func+0x90/0x90 [ 32.590717][ T625] _printk+0xc7/0x100 [ 32.590720][ T625] ? snapshot_read.cold+0x21/0x21 [ 32.590721][ T625] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.590724][ T625] ? do_raw_spin_lock+0x131/0x280 [ 32.590726][ T625] ? __rwlock_init+0x150/0x150 [ 32.590728][ T625] ? do_raw_spin_lock+0x131/0x280 [ 32.590730][ T625] do_exit.cold+0x82/0x9c [ 32.590733][ T625] ? exit_notify+0x890/0x890 [ 32.590736][ T625] __x64_sys_exit+0x42/0x50 [ 32.590738][ T625] x64_sys_call+0x156c/0x1570 [ 32.590740][ T625] do_syscall_64+0xff/0x530 [ 32.590743][ T625] ? exc_page_fault+0xee/0x100 [ 32.590745][ T625] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.590747][ T625] RIP: 0033:0x7f89222a9c49 [ 32.590749][ T625] Code: Unable to access opcode bytes at 0x7f89222a9c1f. [ 32.590750][ T625] RSP: 002b:00007f8921a68e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.590754][ T625] RAX: ffffffffffffffda RBX: 00007f8921a696c0 RCX: 00007f89222a9c49 [ 32.590756][ T625] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.590757][ T625] RBP: 00007f8921a68f70 R08: 0000000000000001 R09: 00007f8921a696c0 [ 32.590757][ T625] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8921269000 [ 32.590758][ T625] R13: 00007ffcb758f3c0 R14: 0000000000000002 R15: 00007ffcb758f4c7 [ 32.590760][ T625] [ 33.909031][ T719] tun0: deleting peer with id 1, reason 1 [ 33.909047][ T719] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.909050][ T719] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 719, name: ovpn-cli [ 33.909052][ T719] preempt_count: 202, expected: 0 [ 33.909053][ T719] RCU nest depth: 0, expected: 0 [ 33.909054][ T719] INFO: lockdep is turned off. [ 33.909055][ T719] irq event stamp: 0 [ 33.909056][ T719] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.909060][ T719] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 33.909066][ T719] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 33.909068][ T719] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.909069][ T719] Preemption disabled at: [ 33.909070][ T719] [<0000000000000000>] 0x0 [ 33.909075][ T719] CPU: 2 UID: 0 PID: 719 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.909079][ T719] Tainted: [W]=WARN [ 33.909080][ T719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.909082][ T719] Call Trace: [ 33.909083][ T719] [ 33.909085][ T719] dump_stack_lvl+0x6f/0xa0 [ 33.909090][ T719] __might_resched.cold+0x1fe/0x2c1 [ 33.909094][ T719] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.909098][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909103][ T719] __kmalloc_noprof+0x443/0x760 [ 33.909106][ T719] ? __rwlock_init+0x150/0x150 [ 33.909109][ T719] ? alloc_buf.isra.0+0x4b/0x260 [ 33.909113][ T719] ? do_raw_spin_unlock+0x59/0x250 [ 33.909115][ T719] alloc_buf.isra.0+0x4b/0x260 [ 33.909117][ T719] put_chars+0x1e1/0x2f0 [ 33.909120][ T719] ? __send_to_port+0x420/0x420 [ 33.909121][ T719] ? printk_get_next_message+0x240/0x650 [ 33.909125][ T719] hvc_console_print+0x292/0x780 [ 33.909129][ T719] ? hvc_write+0x3a0/0x3a0 [ 33.909131][ T719] ? __rwlock_init+0x150/0x150 [ 33.909132][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909134][ T719] ? lock_acquire+0x13c/0x160 [ 33.909137][ T719] console_emit_next_record+0x22f/0x4c0 [ 33.909139][ T719] ? devkmsg_read+0x4b0/0x4b0 [ 33.909141][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909143][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909145][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909147][ T719] ? lock_acquire+0x13c/0x160 [ 33.909148][ T719] ? console_flush_one_record+0x111/0x710 [ 33.909150][ T719] console_flush_one_record+0x46f/0x710 [ 33.909153][ T719] ? console_emit_next_record+0x4c0/0x4c0 [ 33.909155][ T719] console_unlock+0xee/0x1f0 [ 33.909157][ T719] ? lock_acquire+0x13c/0x160 [ 33.909159][ T719] ? console_flush_one_record+0x710/0x710 [ 33.909160][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909162][ T719] ? lock_release+0x184/0x1f0 [ 33.909164][ T719] ? lock_acquire+0x60/0x160 [ 33.909165][ T719] ? __rcu_read_lock+0x30/0x70 [ 33.909167][ T719] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.909169][ T719] ? vprintk_emit+0x320/0x3e0 [ 33.909171][ T719] vprintk_emit+0x37c/0x3e0 [ 33.909174][ T719] ? wake_up_klogd_work_func+0x90/0x90 [ 33.909175][ T719] ? kernel_text_address+0x149/0x170 [ 33.909178][ T719] ? __kernel_text_address+0x12/0x30 [ 33.909179][ T719] ? write_profile+0xf0/0xf0 [ 33.909182][ T719] ? unwind_get_return_address+0x67/0xd0 [ 33.909185][ T719] _printk+0xc7/0x100 [ 33.909194][ T719] ? snapshot_read.cold+0x21/0x21 [ 33.909196][ T719] ? netdev_name+0x43/0x60 [ 33.909199][ T719] ? __netdev_printk+0x17f/0x1d0 [ 33.909201][ T719] netdev_info+0xe2/0x116 [ 33.909203][ T719] ? netdev_notice+0x120/0x120 [ 33.909204][ T719] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 33.909210][ T719] ? __module_address+0x36/0x330 [ 33.909213][ T719] ? lock_acquire+0x13c/0x160 [ 33.909215][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909217][ T719] ? lock_release+0x184/0x1f0 [ 33.909219][ T719] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 33.909222][ T719] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 33.909226][ T719] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 33.909229][ T719] ? lock_acquire+0x13c/0x160 [ 33.909230][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909232][ T719] ? lock_release+0x184/0x1f0 [ 33.909234][ T719] ovpn_peer_remove+0x394/0x640 [ovpn] [ 33.909237][ T719] ? do_raw_spin_lock+0x131/0x280 [ 33.909239][ T719] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 33.909242][ T719] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 33.909245][ T719] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 33.909249][ T719] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 33.909251][ T719] ? trace_hardirqs_on+0x36/0x40 [ 33.909254][ T719] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.909257][ T719] ? ref_tracker_alloc+0x28d/0x430 [ 33.909262][ T719] ? lock_release+0x184/0x1f0 [ 33.909264][ T719] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 33.909267][ T719] genl_family_rcv_msg_doit+0x206/0x300 [ 33.909272][ T719] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 33.909274][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909276][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909278][ T719] ? cap_capable+0x1d7/0x3d0 [ 33.909282][ T719] ? write_profile+0xf0/0xf0 [ 33.909283][ T719] ? unwind_get_return_address+0x67/0xd0 [ 33.909285][ T719] genl_family_rcv_msg+0x3a4/0x640 [ 33.909287][ T719] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 33.909289][ T719] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 33.909292][ T719] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.909294][ T719] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 33.909297][ T719] ? filter_irq_stacks+0xd0/0xd0 [ 33.909298][ T719] ? stack_depot_save_flags+0x1bc/0x790 [ 33.909301][ T719] genl_rcv_msg+0xbb/0x160 [ 33.909303][ T719] netlink_rcv_skb+0x14e/0x3a0 [ 33.909305][ T719] ? genl_family_rcv_msg+0x640/0x640 [ 33.909307][ T719] ? netlink_ack+0xcf0/0xcf0 [ 33.909310][ T719] ? lock_acquire+0x13c/0x160 [ 33.909312][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909313][ T719] ? lock_release+0x184/0x1f0 [ 33.909315][ T719] genl_rcv+0x28/0x40 [ 33.909317][ T719] netlink_unicast+0x486/0x750 [ 33.909320][ T719] ? netlink_attachskb+0x810/0x810 [ 33.909321][ T719] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.909323][ T719] ? trace_hardirqs_on+0x36/0x40 [ 33.909324][ T719] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 33.909328][ T719] netlink_sendmsg+0x735/0xc60 [ 33.909330][ T719] ? netlink_unicast+0x750/0x750 [ 33.909332][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909334][ T719] ? lock_release+0x184/0x1f0 [ 33.909336][ T719] ____sys_sendmsg+0x415/0x880 [ 33.909339][ T719] ? copy_msghdr_from_user+0x279/0x420 [ 33.909341][ T719] ? get_timestamp.constprop.0+0x390/0x390 [ 33.909343][ T719] ? move_addr_to_kernel+0x40/0x40 [ 33.909346][ T719] ___sys_sendmsg+0x14e/0x1d0 [ 33.909348][ T719] ? copy_msghdr_from_user+0x420/0x420 [ 33.909350][ T719] ? kfree+0x22/0x590 [ 33.909355][ T719] __sys_sendmsg+0x12c/0x1d0 [ 33.909357][ T719] ? __sys_sendmsg_sock+0x20/0x20 [ 33.909360][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909361][ T719] ? rcu_is_watching+0x16/0xd0 [ 33.909364][ T719] do_syscall_64+0xff/0x530 [ 33.909367][ T719] ? exc_page_fault+0xee/0x100 [ 33.909368][ T719] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.909370][ T719] RIP: 0033:0x7f344306654e [ 33.909372][ T719] 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 [ 33.909375][ T719] RSP: 002b:00007ffe053efc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.909379][ T719] RAX: ffffffffffffffda RBX: 0000000020317130 RCX: 00007f344306654e [ 33.909380][ T719] RDX: 0000000000000000 RSI: 00007ffe053efca0 RDI: 0000000000000005 [ 33.909383][ T719] RBP: 00007ffe053efc10 R08: 0000000000000000 R09: 0000000000000000 [ 33.909384][ T719] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020317200 [ 33.909385][ T719] R13: 00007ffe053efca0 R14: 0000000020318260 R15: 000000000040bda8 [ 33.909387][ T719] [ 33.998331][ T723] tun1: deleting peer with id 10, reason 1 [ 36.593975][ T771] tun0: deleting peer with id 2, reason 1 [ 36.593993][ T771] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.593995][ T771] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 771, name: ovpn-cli [ 36.593997][ T771] preempt_count: 202, expected: 0 [ 36.593998][ T771] RCU nest depth: 0, expected: 0 [ 36.593998][ T771] INFO: lockdep is turned off. [ 36.594000][ T771] irq event stamp: 0 [ 36.594001][ T771] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.594005][ T771] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 36.594011][ T771] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 36.594013][ T771] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.594015][ T771] Preemption disabled at: [ 36.594015][ T771] [<0000000000000000>] 0x0 [ 36.594020][ T771] CPU: 2 UID: 0 PID: 771 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.594024][ T771] Tainted: [W]=WARN [ 36.594025][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.594026][ T771] Call Trace: [ 36.594028][ T771] [ 36.594030][ T771] dump_stack_lvl+0x6f/0xa0 [ 36.594035][ T771] __might_resched.cold+0x1fe/0x2c1 [ 36.594039][ T771] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.594043][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594048][ T771] __kmalloc_noprof+0x443/0x760 [ 36.594051][ T771] ? __rwlock_init+0x150/0x150 [ 36.594054][ T771] ? alloc_buf.isra.0+0x4b/0x260 [ 36.594058][ T771] ? do_raw_spin_unlock+0x59/0x250 [ 36.594060][ T771] alloc_buf.isra.0+0x4b/0x260 [ 36.594062][ T771] put_chars+0x1e1/0x2f0 [ 36.594064][ T771] ? __send_to_port+0x420/0x420 [ 36.594066][ T771] ? printk_get_next_message+0x240/0x650 [ 36.594070][ T771] hvc_console_print+0x292/0x780 [ 36.594074][ T771] ? hvc_write+0x3a0/0x3a0 [ 36.594075][ T771] ? __rwlock_init+0x150/0x150 [ 36.594077][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594079][ T771] ? lock_acquire+0x13c/0x160 [ 36.594081][ T771] console_emit_next_record+0x22f/0x4c0 [ 36.594084][ T771] ? devkmsg_read+0x4b0/0x4b0 [ 36.594086][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594088][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594089][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594091][ T771] ? lock_acquire+0x13c/0x160 [ 36.594093][ T771] ? console_flush_one_record+0x111/0x710 [ 36.594095][ T771] console_flush_one_record+0x46f/0x710 [ 36.594097][ T771] ? console_emit_next_record+0x4c0/0x4c0 [ 36.594100][ T771] console_unlock+0xee/0x1f0 [ 36.594102][ T771] ? lock_acquire+0x13c/0x160 [ 36.594103][ T771] ? console_flush_one_record+0x710/0x710 [ 36.594105][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594107][ T771] ? lock_release+0x184/0x1f0 [ 36.594108][ T771] ? lock_acquire+0x60/0x160 [ 36.594110][ T771] ? __rcu_read_lock+0x30/0x70 [ 36.594112][ T771] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.594114][ T771] ? vprintk_emit+0x320/0x3e0 [ 36.594116][ T771] vprintk_emit+0x37c/0x3e0 [ 36.594118][ T771] ? wake_up_klogd_work_func+0x90/0x90 [ 36.594120][ T771] ? kernel_text_address+0x149/0x170 [ 36.594123][ T771] ? __kernel_text_address+0x12/0x30 [ 36.594124][ T771] ? write_profile+0xf0/0xf0 [ 36.594126][ T771] ? unwind_get_return_address+0x67/0xd0 [ 36.594129][ T771] _printk+0xc7/0x100 [ 36.594132][ T771] ? snapshot_read.cold+0x21/0x21 [ 36.594135][ T771] ? netdev_name+0x43/0x60 [ 36.594137][ T771] ? __netdev_printk+0x17f/0x1d0 [ 36.594139][ T771] netdev_info+0xe2/0x116 [ 36.594141][ T771] ? netdev_notice+0x120/0x120 [ 36.594142][ T771] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 36.594148][ T771] ? __module_address+0x36/0x330 [ 36.594151][ T771] ? lock_acquire+0x13c/0x160 [ 36.594153][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594155][ T771] ? lock_release+0x184/0x1f0 [ 36.594157][ T771] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 36.594160][ T771] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.594164][ T771] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 36.594167][ T771] ? lock_acquire+0x13c/0x160 [ 36.594168][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594170][ T771] ? lock_release+0x184/0x1f0 [ 36.594172][ T771] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.594175][ T771] ? do_raw_spin_lock+0x131/0x280 [ 36.594177][ T771] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 36.594180][ T771] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.594184][ T771] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 36.594187][ T771] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.594190][ T771] ? trace_hardirqs_on+0x36/0x40 [ 36.594192][ T771] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.594195][ T771] ? ref_tracker_alloc+0x28d/0x430 [ 36.594200][ T771] ? lock_release+0x184/0x1f0 [ 36.594209][ T771] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 36.594213][ T771] genl_family_rcv_msg_doit+0x206/0x300 [ 36.594218][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 36.594220][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594223][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594225][ T771] ? cap_capable+0x1d7/0x3d0 [ 36.594228][ T771] ? write_profile+0xf0/0xf0 [ 36.594229][ T771] ? unwind_get_return_address+0x67/0xd0 [ 36.594231][ T771] genl_family_rcv_msg+0x3a4/0x640 [ 36.594233][ T771] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 36.594235][ T771] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 36.594238][ T771] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.594240][ T771] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 36.594243][ T771] ? filter_irq_stacks+0xd0/0xd0 [ 36.594244][ T771] ? stack_depot_save_flags+0x1bc/0x790 [ 36.594247][ T771] genl_rcv_msg+0xbb/0x160 [ 36.594249][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 36.594251][ T771] ? genl_family_rcv_msg+0x640/0x640 [ 36.594253][ T771] ? netlink_ack+0xcf0/0xcf0 [ 36.594256][ T771] ? lock_acquire+0x13c/0x160 [ 36.594258][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594260][ T771] ? lock_release+0x184/0x1f0 [ 36.594262][ T771] genl_rcv+0x28/0x40 [ 36.594264][ T771] netlink_unicast+0x486/0x750 [ 36.594266][ T771] ? netlink_attachskb+0x810/0x810 [ 36.594268][ T771] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.594269][ T771] ? trace_hardirqs_on+0x36/0x40 [ 36.594271][ T771] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 36.594274][ T771] netlink_sendmsg+0x735/0xc60 [ 36.594277][ T771] ? netlink_unicast+0x750/0x750 [ 36.594279][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594281][ T771] ? lock_release+0x184/0x1f0 [ 36.594283][ T771] ____sys_sendmsg+0x415/0x880 [ 36.594286][ T771] ? copy_msghdr_from_user+0x279/0x420 [ 36.594288][ T771] ? get_timestamp.constprop.0+0x390/0x390 [ 36.594289][ T771] ? move_addr_to_kernel+0x40/0x40 [ 36.594292][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 36.594294][ T771] ? copy_msghdr_from_user+0x420/0x420 [ 36.594296][ T771] ? kfree+0x22/0x590 [ 36.594301][ T771] __sys_sendmsg+0x12c/0x1d0 [ 36.594303][ T771] ? __sys_sendmsg_sock+0x20/0x20 [ 36.594306][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594308][ T771] ? rcu_is_watching+0x16/0xd0 [ 36.594310][ T771] do_syscall_64+0xff/0x530 [ 36.594313][ T771] ? exc_page_fault+0xee/0x100 [ 36.594315][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.594317][ T771] RIP: 0033:0x7f3d75c6a54e [ 36.594319][ T771] 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 [ 36.594321][ T771] RSP: 002b:00007ffcb6aed340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.594325][ T771] RAX: ffffffffffffffda RBX: 000000000f032130 RCX: 00007f3d75c6a54e [ 36.594326][ T771] RDX: 0000000000000000 RSI: 00007ffcb6aed3e0 RDI: 0000000000000005 [ 36.594327][ T771] RBP: 00007ffcb6aed350 R08: 0000000000000000 R09: 0000000000000000 [ 36.594328][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000f032200 [ 36.594329][ T771] R13: 00007ffcb6aed3e0 R14: 000000000f033260 R15: 000000000040bda8 [ 36.594331][ T771] [ 36.688553][ T775] tun2: deleting peer with id 11, reason 1 [ 42.444411][ T10] tun0: deleting peer with id 4, reason 2 [ 42.444433][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 42.444435][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 42.444437][ T10] preempt_count: 202, expected: 0 [ 42.444438][ T10] RCU nest depth: 0, expected: 0 [ 42.444439][ T10] INFO: lockdep is turned off. [ 42.444440][ T10] irq event stamp: 10048 [ 42.444441][ T10] hardirqs last enabled at (10047): [] _raw_spin_unlock_irq+0x28/0x50 [ 42.444449][ T10] hardirqs last disabled at (10048): [] __schedule+0x1246/0x20e0 [ 42.444452][ T10] softirqs last enabled at (9500): [] handle_softirqs+0x67c/0x900 [ 42.444456][ T10] softirqs last disabled at (9461): [] do_softirq+0xac/0xe0 [ 42.444458][ T10] Preemption disabled at: [ 42.444459][ T10] [<0000000000000000>] 0x0 [ 42.444466][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 42.444470][ T10] Tainted: [W]=WARN [ 42.444471][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.444474][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 42.444484][ T10] Call Trace: [ 42.444486][ T10] [ 42.444487][ T10] dump_stack_lvl+0x6f/0xa0 [ 42.444493][ T10] __might_resched.cold+0x1fe/0x2c1 [ 42.444497][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 42.444500][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 42.444502][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444507][ T10] __kmalloc_noprof+0x443/0x760 [ 42.444510][ T10] ? __rwlock_init+0x150/0x150 [ 42.444513][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 42.444517][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 42.444519][ T10] alloc_buf.isra.0+0x4b/0x260 [ 42.444521][ T10] put_chars+0x1e1/0x2f0 [ 42.444523][ T10] ? prb_final_commit+0x50/0x50 [ 42.444525][ T10] ? __send_to_port+0x420/0x420 [ 42.444527][ T10] ? printk_get_next_message+0x240/0x650 [ 42.444530][ T10] hvc_console_print+0x292/0x780 [ 42.444534][ T10] ? hvc_write+0x3a0/0x3a0 [ 42.444535][ T10] ? do_raw_spin_lock+0x131/0x280 [ 42.444537][ T10] ? vsnprintf+0x527/0x1700 [ 42.444539][ T10] ? __rwlock_init+0x150/0x150 [ 42.444540][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444542][ T10] ? lock_acquire+0x13c/0x160 [ 42.444545][ T10] console_emit_next_record+0x22f/0x4c0 [ 42.444547][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 42.444549][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444551][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444553][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444555][ T10] ? lock_acquire+0x13c/0x160 [ 42.444556][ T10] ? console_flush_one_record+0x111/0x710 [ 42.444558][ T10] console_flush_one_record+0x46f/0x710 [ 42.444561][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 42.444563][ T10] console_unlock+0xee/0x1f0 [ 42.444565][ T10] ? lock_acquire+0x13c/0x160 [ 42.444567][ T10] ? console_flush_one_record+0x710/0x710 [ 42.444568][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444570][ T10] ? lock_release+0x184/0x1f0 [ 42.444572][ T10] ? lock_acquire+0x60/0x160 [ 42.444573][ T10] ? __rcu_read_lock+0x30/0x70 [ 42.444576][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 42.444577][ T10] ? vprintk_emit+0x320/0x3e0 [ 42.444579][ T10] vprintk_emit+0x37c/0x3e0 [ 42.444582][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 42.444584][ T10] ? arch_stack_walk+0xd7/0x130 [ 42.444587][ T10] ? queued_spin_lock_slowpath+0x103/0xa60 [ 42.444589][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444591][ T10] _printk+0xc7/0x100 [ 42.444594][ T10] ? snapshot_read.cold+0x21/0x21 [ 42.444596][ T10] ? __add_to_free_list+0x81/0x5c0 [ 42.444598][ T10] ? __mod_zone_page_state+0xe1/0x190 [ 42.444601][ T10] ? netdev_name+0x43/0x60 [ 42.444604][ T10] ? __netdev_printk+0x17f/0x1d0 [ 42.444605][ T10] netdev_info+0xe2/0x116 [ 42.444607][ T10] ? netdev_notice+0x120/0x120 [ 42.444609][ T10] ? free_pcppages_bulk+0x363/0x6e0 [ 42.444611][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444613][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 42.444616][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 42.444621][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 42.444623][ T10] ? __rwlock_init+0x150/0x150 [ 42.444625][ T10] ? lock_acquire+0x13c/0x160 [ 42.444627][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444629][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 42.444633][ T10] ? do_raw_spin_lock+0x131/0x280 [ 42.444635][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 42.444637][ T10] ? __rwlock_init+0x150/0x150 [ 42.444639][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444641][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 42.444642][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 42.444644][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 42.444647][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 42.444649][ T10] ? __rwlock_init+0x150/0x150 [ 42.444652][ T10] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 42.444655][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 42.444658][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444659][ T10] ? lock_acquire+0x13c/0x160 [ 42.444661][ T10] ? rcu_is_watching+0x16/0xd0 [ 42.444663][ T10] process_one_work+0xe3e/0x1560 [ 42.444667][ T10] ? __queue_delayed_work+0x470/0x470 [ 42.444669][ T10] ? find_held_lock+0x2b/0x80 [ 42.444671][ T10] ? __rwlock_init+0x150/0x150 [ 42.444674][ T10] worker_thread+0x4f1/0xd60 [ 42.444676][ T10] ? rescuer_thread+0x1340/0x1340 [ 42.444679][ T10] ? __kthread_parkme+0xbd/0x210 [ 42.444681][ T10] ? rescuer_thread+0x1340/0x1340 [ 42.444683][ T10] ? rescuer_thread+0x1340/0x1340 [ 42.444685][ T10] kthread+0x367/0x460 [ 42.444687][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 42.444688][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 42.444690][ T10] ret_from_fork+0x474/0x6b0 [ 42.444692][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 42.444694][ T10] ? __switch_to+0x5a3/0xe00 [ 42.444696][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 42.444698][ T10] ret_from_fork_asm+0x11/0x20 [ 42.444702][ T10] [ 42.460282][ T10] tun0: deleting peer with id 3, reason 2 [ 42.460484][ T10] tun0: deleting peer with id 5, reason 2 [ 42.460699][ T10] tun0: deleting peer with id 6, reason 2 [ 47.564446][ T66] tun3: deleting peer with id 12, reason 2 [ 47.564467][ T66] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 47.564470][ T66] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 66, name: kworker/2:2 [ 47.564472][ T66] preempt_count: 202, expected: 0 [ 47.564473][ T66] RCU nest depth: 0, expected: 0 [ 47.564474][ T66] INFO: lockdep is turned off. [ 47.564475][ T66] irq event stamp: 17076 [ 47.564476][ T66] hardirqs last enabled at (17075): [] _raw_spin_unlock_irq+0x28/0x50 [ 47.564485][ T66] hardirqs last disabled at (17076): [] __schedule+0x1246/0x20e0 [ 47.564488][ T66] softirqs last enabled at (16186): [] handle_softirqs+0x67c/0x900 [ 47.564492][ T66] softirqs last disabled at (16147): [] do_softirq+0xac/0xe0 [ 47.564494][ T66] Preemption disabled at: [ 47.564495][ T66] [<0000000000000000>] 0x0 [ 47.564503][ T66] CPU: 2 UID: 0 PID: 66 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 47.564506][ T66] Tainted: [W]=WARN [ 47.564507][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.564510][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.564519][ T66] Call Trace: [ 47.564521][ T66] [ 47.564523][ T66] dump_stack_lvl+0x6f/0xa0 [ 47.564529][ T66] __might_resched.cold+0x1fe/0x2c1 [ 47.564533][ T66] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 47.564537][ T66] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 47.564539][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564543][ T66] __kmalloc_noprof+0x443/0x760 [ 47.564547][ T66] ? __rwlock_init+0x150/0x150 [ 47.564550][ T66] ? alloc_buf.isra.0+0x4b/0x260 [ 47.564554][ T66] ? do_raw_spin_unlock+0x59/0x250 [ 47.564555][ T66] alloc_buf.isra.0+0x4b/0x260 [ 47.564558][ T66] put_chars+0x1e1/0x2f0 [ 47.564560][ T66] ? prb_final_commit+0x50/0x50 [ 47.564561][ T66] ? __send_to_port+0x420/0x420 [ 47.564563][ T66] ? printk_get_next_message+0x240/0x650 [ 47.564567][ T66] hvc_console_print+0x292/0x780 [ 47.564571][ T66] ? hvc_write+0x3a0/0x3a0 [ 47.564573][ T66] ? do_raw_spin_lock+0x131/0x280 [ 47.564574][ T66] ? vsnprintf+0x527/0x1700 [ 47.564576][ T66] ? __rwlock_init+0x150/0x150 [ 47.564578][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564580][ T66] ? lock_acquire+0x13c/0x160 [ 47.564582][ T66] console_emit_next_record+0x22f/0x4c0 [ 47.564585][ T66] ? devkmsg_read+0x4b0/0x4b0 [ 47.564587][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564589][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564591][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564593][ T66] ? lock_acquire+0x13c/0x160 [ 47.564595][ T66] ? console_flush_one_record+0x111/0x710 [ 47.564596][ T66] console_flush_one_record+0x46f/0x710 [ 47.564599][ T66] ? console_emit_next_record+0x4c0/0x4c0 [ 47.564602][ T66] console_unlock+0xee/0x1f0 [ 47.564603][ T66] ? lock_acquire+0x13c/0x160 [ 47.564605][ T66] ? console_flush_one_record+0x710/0x710 [ 47.564607][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564608][ T66] ? lock_release+0x184/0x1f0 [ 47.564610][ T66] ? lock_acquire+0x60/0x160 [ 47.564611][ T66] ? __rcu_read_lock+0x30/0x70 [ 47.564614][ T66] ? __down_trylock_console_sem+0x5e/0xa0 [ 47.564616][ T66] ? vprintk_emit+0x320/0x3e0 [ 47.564618][ T66] vprintk_emit+0x37c/0x3e0 [ 47.564620][ T66] ? wake_up_klogd_work_func+0x90/0x90 [ 47.564622][ T66] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 47.564623][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564625][ T66] ? trace_sched_wakeup+0x9b/0x160 [ 47.564628][ T66] _printk+0xc7/0x100 [ 47.564631][ T66] ? snapshot_read.cold+0x21/0x21 [ 47.564633][ T66] ? try_to_wake_up+0x153/0x1130 [ 47.564635][ T66] ? select_fallback_rq+0x510/0x510 [ 47.564636][ T66] ? netdev_name+0x43/0x60 [ 47.564639][ T66] ? __netdev_printk+0x17f/0x1d0 [ 47.564641][ T66] netdev_info+0xe2/0x116 [ 47.564643][ T66] ? netdev_notice+0x120/0x120 [ 47.564645][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564647][ T66] ? __queue_work+0x3ab/0xd30 [ 47.564650][ T66] ? trace_irq_enable.constprop.0+0x30/0x160 [ 47.564653][ T66] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 47.564657][ T66] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 47.564660][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564662][ T66] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.564664][ T66] ovpn_peer_remove+0x394/0x640 [ovpn] [ 47.564667][ T66] ? do_raw_spin_lock+0x131/0x280 [ 47.564670][ T66] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 47.564672][ T66] ? __rwlock_init+0x150/0x150 [ 47.564674][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564676][ T66] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.564677][ T66] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 47.564679][ T66] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 47.564682][ T66] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 47.564684][ T66] ? __rwlock_init+0x150/0x150 [ 47.564687][ T66] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 47.564690][ T66] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 47.564692][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564694][ T66] ? lock_acquire+0x13c/0x160 [ 47.564696][ T66] ? rcu_is_watching+0x16/0xd0 [ 47.564698][ T66] ? process_one_work+0xdfc/0x1560 [ 47.564700][ T66] process_one_work+0xe3e/0x1560 [ 47.564703][ T66] ? __queue_delayed_work+0x470/0x470 [ 47.564705][ T66] ? find_held_lock+0x2b/0x80 [ 47.564707][ T66] ? __rwlock_init+0x150/0x150 [ 47.564709][ T66] worker_thread+0x4f1/0xd60 [ 47.564712][ T66] ? rescuer_thread+0x1340/0x1340 [ 47.564713][ T66] ? __kthread_parkme+0xbd/0x210 [ 47.564716][ T66] ? rescuer_thread+0x1340/0x1340 [ 47.564718][ T66] ? rescuer_thread+0x1340/0x1340 [ 47.564719][ T66] kthread+0x367/0x460 [ 47.564721][ T66] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.564722][ T66] ? kthread_affine_preferred+0x4c0/0x4c0 [ 47.564724][ T66] ret_from_fork+0x474/0x6b0 [ 47.564727][ T66] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 47.564729][ T66] ? __switch_to+0x5a3/0xe00 [ 47.564732][ T66] ? kthread_affine_preferred+0x4c0/0x4c0 [ 47.564733][ T66] ret_from_fork_asm+0x11/0x20 [ 47.564737][ T66] [ 47.629413][ T66] tun4: deleting peer with id 13, reason 2 [ 47.692423][ T10] tun6: deleting peer with id 15, reason 2 [ 47.692707][ T846] tun5: deleting peer with id 14, reason 2