[ 15.409254][ T301] ip (301) used greatest stack depth: 24352 bytes left [ 15.409270][ T301] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.409272][ T301] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 301, name: ip [ 15.409274][ T301] preempt_count: 2, expected: 0 [ 15.409275][ T301] RCU nest depth: 0, expected: 0 [ 15.409275][ T301] locks held by ip/301: 5, last CPU#3: [ 15.409278][ T301] #0: ffffffff99c127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.409289][ T301] #1: ffffffff99d79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.409295][ T301] #2: ffffffff99d79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.409300][ T301] #3: ffffffff99c99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.409304][ T301] #4: ffffffff99c99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.409308][ T301] irq event stamp: 35766 [ 15.409308][ T301] hardirqs last enabled at (35765): [] __down_trylock_console_sem+0x86/0xa0 [ 15.409311][ T301] hardirqs last disabled at (35766): [] console_emit_next_record+0x3d4/0x4c0 [ 15.409313][ T301] softirqs last enabled at (34960): [] handle_softirqs+0x67c/0x900 [ 15.409315][ T301] softirqs last disabled at (34949): [] __irq_exit_rcu+0x145/0x1c0 [ 15.409317][ T301] Preemption disabled at: [ 15.409318][ T301] [<0000000000000000>] 0x0 [ 15.409325][ T301] CPU: 3 UID: 0 PID: 301 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.409329][ T301] Tainted: [W]=WARN [ 15.409329][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.409331][ T301] Call Trace: [ 15.409333][ T301] [ 15.409334][ T301] dump_stack_lvl+0x6f/0xa0 [ 15.409341][ T301] __might_resched.cold+0x1fe/0x2c1 [ 15.409345][ T301] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.409350][ T301] ? __kmalloc_noprof+0xdb/0x760 [ 15.409355][ T301] __kmalloc_noprof+0x443/0x760 [ 15.409357][ T301] ? alloc_buf.isra.0+0x4b/0x260 [ 15.409364][ T301] ? do_raw_spin_unlock+0x59/0x250 [ 15.409366][ T301] alloc_buf.isra.0+0x4b/0x260 [ 15.409370][ T301] put_chars+0x1e1/0x2f0 [ 15.409373][ T301] ? __send_to_port+0x420/0x420 [ 15.409375][ T301] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.409380][ T301] ? validate_chain+0x38b/0xc20 [ 15.409386][ T301] hvc_console_print+0x292/0x780 [ 15.409394][ T301] ? hvc_write+0x3a0/0x3a0 [ 15.409397][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.409399][ T301] ? lock_acquire+0x13c/0x160 [ 15.409404][ T301] console_emit_next_record+0x22f/0x4c0 [ 15.409409][ T301] ? devkmsg_read+0x4b0/0x4b0 [ 15.409411][ T301] ? console_flush_one_record+0x106/0x710 [ 15.409414][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.409417][ T301] ? lock_acquire+0x13c/0x160 [ 15.409422][ T301] console_flush_one_record+0x46f/0x710 [ 15.409427][ T301] ? console_emit_next_record+0x4c0/0x4c0 [ 15.409429][ T301] ? __lock_acquire+0x518/0xc20 [ 15.409435][ T301] console_unlock+0xee/0x1f0 [ 15.409438][ T301] ? console_flush_one_record+0x710/0x710 [ 15.409440][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.409443][ T301] ? lock_acquire+0x60/0x160 [ 15.409447][ T301] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.409449][ T301] ? vprintk_emit+0x320/0x3e0 [ 15.409453][ T301] vprintk_emit+0x37c/0x3e0 [ 15.409457][ T301] ? wake_up_klogd_work_func+0x90/0x90 [ 15.409461][ T301] ? __lock_acquire+0x518/0xc20 [ 15.409465][ T301] _printk+0xc7/0x100 [ 15.409468][ T301] ? snapshot_read.cold+0x21/0x21 [ 15.409471][ T301] ? do_raw_spin_lock+0x131/0x280 [ 15.409474][ T301] ? __rwlock_init+0x150/0x150 [ 15.409478][ T301] ? do_raw_spin_lock+0x131/0x280 [ 15.409481][ T301] do_exit.cold+0x82/0x9c [ 15.409485][ T301] ? exit_notify+0x890/0x890 [ 15.409487][ T301] ? __lock_release.isra.0+0x69/0x1a0 [ 15.409490][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.409495][ T301] do_group_exit+0xb8/0x370 [ 15.409498][ T301] __x64_sys_exit_group+0x3c/0x50 [ 15.409500][ T301] x64_sys_call+0x1567/0x1570 [ 15.409503][ T301] do_syscall_64+0xff/0x530 [ 15.409506][ T301] ? exc_page_fault+0xee/0x100 [ 15.409509][ T301] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.409512][ T301] RIP: 0033:0x7fb5ea5e11b8 [ 15.409514][ T301] Code: Unable to access opcode bytes at 0x7fb5ea5e118e. [ 15.409515][ T301] RSP: 002b:00007ffe89d598d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.409518][ T301] RAX: ffffffffffffffda RBX: 00007fb5ea711f88 RCX: 00007fb5ea5e11b8 [ 15.409519][ T301] RDX: 00007fb5ea32bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.409520][ T301] RBP: 00007ffe89d59930 R08: 0000000000000000 R09: 0000000000000000 [ 15.409521][ T301] R10: 00007ffe89d596f0 R11: 0000000000000246 R12: 0000000000000001 [ 15.409522][ T301] R13: 0000000000000000 R14: 00007fb5ea710680 R15: 00007fb5ea711fa0 [ 15.409530][ T301] [ 15.897896][ T316] ip (316) used greatest stack depth: 24288 bytes left [ 16.391380][ T330] ip (330) used greatest stack depth: 24272 bytes left [ 23.124623][ C1] tun0: no available key for peer 1, key-id: 0 [ 23.124667][ C1] [ 23.124668][ C1] ======================================================== [ 23.124669][ C1] WARNING: possible irq lock inversion dependency detected [ 23.124671][ C1] 7.2.0-virtme #1 Tainted: G W [ 23.124673][ C1] -------------------------------------------------------- [ 23.124673][ C1] kworker/u16:0/12 just changed the state of lock: [ 23.124675][ C1] ffffffff99c99660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.124687][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 23.124688][ C1] (fs_reclaim){+.+.}-{0:0} [ 23.124690][ C1] [ 23.124690][ C1] [ 23.124690][ C1] and interrupts could create inverse lock ordering between them. [ 23.124690][ C1] [ 23.124690][ C1] [ 23.124690][ C1] other info that might help us debug this: [ 23.124691][ C1] Possible interrupt unsafe locking scenario: [ 23.124691][ C1] [ 23.124692][ C1] CPU0 CPU1 [ 23.124692][ C1] ---- ---- [ 23.124693][ C1] lock(fs_reclaim); [ 23.124694][ C1] local_irq_disable(); [ 23.124694][ C1] lock(console_owner); [ 23.124695][ C1] lock(fs_reclaim); [ 23.124696][ C1] [ 23.124696][ C1] lock(console_owner); [ 23.124697][ C1] [ 23.124697][ C1] *** DEADLOCK *** [ 23.124697][ C1] [ 23.124698][ C1] locks held by kworker/u16:0/12: 11, last CPU#1: [ 23.124699][ C1] #0: ff11000008e29d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 23.124704][ C1] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 23.124708][ C1] #2: ffffffff9a4e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 23.124713][ C1] #3: ffffffff99d90b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 23.124717][ C1] #4: ffffffff99d90b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 23.124720][ C1] #5: ffffffff99d90b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 23.124726][ C1] #6: ffffffff99d90b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 23.124730][ C1] #7: ff11000019971d18 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 23.124735][ C1] #8: ffffffff99d90b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 23.124742][ C1] #9: ffffffff99d79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.124745][ C1] #10: ffffffff99d79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.124749][ C1] [ 23.124749][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 23.124754][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 23.124757][ C1] HARDIRQ-ON-W at: [ 23.124763][ C1] __lock_acquire+0x388/0xc20 [ 23.124767][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.124768][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.124771][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 23.124773][ C1] kthread_create_worker_on_node+0xea/0x210 [ 23.124776][ C1] workqueue_init+0x2a/0x680 [ 23.124780][ C1] kernel_init_freeable+0x2fe/0x630 [ 23.124783][ C1] kernel_init+0x21/0x150 [ 23.124785][ C1] ret_from_fork+0x474/0x6b0 [ 23.124788][ C1] ret_from_fork_asm+0x11/0x20 [ 23.124791][ C1] SOFTIRQ-ON-W at: [ 23.124792][ C1] __lock_acquire+0x388/0xc20 [ 23.124793][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.124794][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.124796][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 23.124797][ C1] kthread_create_worker_on_node+0xea/0x210 [ 23.124798][ C1] workqueue_init+0x2a/0x680 [ 23.124800][ C1] kernel_init_freeable+0x2fe/0x630 [ 23.124801][ C1] kernel_init+0x21/0x150 [ 23.124803][ C1] ret_from_fork+0x474/0x6b0 [ 23.124804][ C1] ret_from_fork_asm+0x11/0x20 [ 23.124805][ C1] INITIAL USE at: [ 23.124806][ C1] __lock_acquire+0x388/0xc20 [ 23.124807][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.124809][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.124810][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 23.124811][ C1] kthread_create_worker_on_node+0xea/0x210 [ 23.124813][ C1] workqueue_init+0x2a/0x680 [ 23.124814][ C1] kernel_init_freeable+0x2fe/0x630 [ 23.124816][ C1] kernel_init+0x21/0x150 [ 23.124817][ C1] ret_from_fork+0x474/0x6b0 [ 23.124818][ C1] ret_from_fork_asm+0x11/0x20 [ 23.124820][ C1] } [ 23.124820][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 23.124828][ C1] ... acquired at: [ 23.124829][ C1] __lock_acquire+0x518/0xc20 [ 23.124831][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.124832][ C1] fs_reclaim_acquire+0xd5/0x120 [ 23.124833][ C1] __kmalloc_noprof+0xd3/0x760 [ 23.124834][ C1] alloc_buf.isra.0+0x4b/0x260 [ 23.124837][ C1] put_chars+0x1e1/0x2f0 [ 23.124839][ C1] hvc_console_print+0x292/0x780 [ 23.124841][ C1] console_emit_next_record+0x22f/0x4c0 [ 23.124843][ C1] console_flush_one_record+0x46f/0x710 [ 23.124844][ C1] console_unlock+0xee/0x1f0 [ 23.124846][ C1] vprintk_emit+0x37c/0x3e0 [ 23.124848][ C1] dev_vprintk_emit+0x27f/0x2c0 [ 23.124851][ C1] dev_printk_emit+0xb9/0xee [ 23.124853][ C1] _dev_info+0xe2/0x116 [ 23.124854][ C1] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 23.124857][ C1] cmos_do_probe+0x73b/0x98a [ 23.124858][ C1] platform_probe+0xfe/0x1f0 [ 23.124860][ C1] call_driver_probe+0x61/0x1c0 [ 23.124863][ C1] really_probe+0x199/0x760 [ 23.124865][ C1] __driver_probe_device+0x24f/0x440 [ 23.124866][ C1] driver_probe_device+0x4a/0xf0 [ 23.124868][ C1] __driver_attach+0x1b8/0x540 [ 23.124869][ C1] bus_for_each_dev+0x130/0x1e0 [ 23.124871][ C1] bus_add_driver+0x2c8/0x530 [ 23.124872][ C1] driver_register+0x1a3/0x390 [ 23.124874][ C1] __platform_driver_probe+0x13f/0x270 [ 23.124875][ C1] cmos_init+0x31/0x40 [ 23.124878][ C1] do_one_initcall+0x124/0x4f0 [ 23.124880][ C1] kernel_init_freeable+0x596/0x630 [ 23.124882][ C1] kernel_init+0x21/0x150 [ 23.124883][ C1] ret_from_fork+0x474/0x6b0 [ 23.124884][ C1] ret_from_fork_asm+0x11/0x20 [ 23.124885][ C1] [ 23.124886][ C1] -> (console_owner){..-.}-{0:0} { [ 23.124888][ C1] IN-SOFTIRQ-W at: [ 23.124888][ C1] __lock_acquire+0x388/0xc20 [ 23.124890][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.124891][ C1] console_lock_spinning_enable+0x5c/0x60 [ 23.124893][ C1] console_emit_next_record+0x1d1/0x4c0 [ 23.124895][ C1] console_flush_one_record+0x46f/0x710 [ 23.124896][ C1] console_unlock+0xee/0x1f0 [ 23.124898][ C1] vprintk_emit+0x37c/0x3e0 [ 23.124900][ C1] _printk+0xc7/0x100 [ 23.124902][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.124906][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.124908][ C1] __strp_recv+0x20f/0x1c20 [ 23.124911][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.124913][ C1] strp_read_sock+0x20f/0x2b0 [ 23.124915][ C1] strp_data_ready+0x18e/0x2c0 [ 23.124917][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.124919][ C1] tcp_data_queue+0xd25/0x1fb0 [ 23.124922][ C1] tcp_rcv_established+0x66d/0x3910 [ 23.124923][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.124925][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.124926][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.124928][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.124929][ C1] ip_local_deliver+0x184/0x4c0 [ 23.124930][ C1] ip_rcv+0xdc/0x3d0 [ 23.124932][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.124934][ C1] process_backlog+0x431/0x14c0 [ 23.124935][ C1] __napi_poll+0xa7/0x3b0 [ 23.124937][ C1] net_rx_action+0x513/0xf50 [ 23.124939][ C1] handle_softirqs+0x1d3/0x900 [ 23.124941][ C1] do_softirq+0xac/0xe0 [ 23.124942][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.124944][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.124945][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.124947][ C1] ip6_finish_output+0x646/0xda0 [ 23.124948][ C1] ip6_output+0x23f/0x7f0 [ 23.124949][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.124951][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.124952][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.124954][ C1] addrconf_dad_work+0x170/0x930 [ 23.124956][ C1] process_one_work+0xe3e/0x1560 [ 23.124957][ C1] worker_thread+0x4f1/0xd60 [ 23.124959][ C1] kthread+0x367/0x460 [ 23.124960][ C1] ret_from_fork+0x474/0x6b0 [ 23.124961][ C1] ret_from_fork_asm+0x11/0x20 [ 23.124963][ C1] INITIAL USE at: [ 23.124964][ C1] } [ 23.124964][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 23.124968][ C1] ... acquired at: [ 23.124968][ C1] mark_lock+0x1d7/0xa00 [ 23.124970][ C1] mark_usage+0x42/0x170 [ 23.124971][ C1] __lock_acquire+0x388/0xc20 [ 23.124972][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.124973][ C1] console_lock_spinning_enable+0x5c/0x60 [ 23.124975][ C1] console_emit_next_record+0x1d1/0x4c0 [ 23.124977][ C1] console_flush_one_record+0x46f/0x710 [ 23.124978][ C1] console_unlock+0xee/0x1f0 [ 23.124980][ C1] vprintk_emit+0x37c/0x3e0 [ 23.124981][ C1] _printk+0xc7/0x100 [ 23.124983][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.124985][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.124988][ C1] __strp_recv+0x20f/0x1c20 [ 23.124989][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.124991][ C1] strp_read_sock+0x20f/0x2b0 [ 23.124992][ C1] strp_data_ready+0x18e/0x2c0 [ 23.124994][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.124996][ C1] tcp_data_queue+0xd25/0x1fb0 [ 23.124998][ C1] tcp_rcv_established+0x66d/0x3910 [ 23.125000][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.125001][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.125003][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.125004][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.125005][ C1] ip_local_deliver+0x184/0x4c0 [ 23.125006][ C1] ip_rcv+0xdc/0x3d0 [ 23.125008][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.125010][ C1] process_backlog+0x431/0x14c0 [ 23.125011][ C1] __napi_poll+0xa7/0x3b0 [ 23.125013][ C1] net_rx_action+0x513/0xf50 [ 23.125014][ C1] handle_softirqs+0x1d3/0x900 [ 23.125016][ C1] do_softirq+0xac/0xe0 [ 23.125017][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.125018][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.125020][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.125021][ C1] ip6_finish_output+0x646/0xda0 [ 23.125023][ C1] ip6_output+0x23f/0x7f0 [ 23.125024][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.125025][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.125027][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.125028][ C1] addrconf_dad_work+0x170/0x930 [ 23.125030][ C1] process_one_work+0xe3e/0x1560 [ 23.125032][ C1] worker_thread+0x4f1/0xd60 [ 23.125033][ C1] kthread+0x367/0x460 [ 23.125034][ C1] ret_from_fork+0x474/0x6b0 [ 23.125036][ C1] ret_from_fork_asm+0x11/0x20 [ 23.125037][ C1] [ 23.125037][ C1] [ 23.125037][ C1] stack backtrace: [ 23.125040][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.125043][ C1] Tainted: [W]=WARN [ 23.125044][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.125045][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.125049][ C1] Call Trace: [ 23.125050][ C1] [ 23.125052][ C1] dump_stack_lvl+0x6f/0xa0 [ 23.125056][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 23.125058][ C1] mark_lock_irq+0x989/0x9c0 [ 23.125060][ C1] ? add_lock_to_list+0x2c/0x1a0 [ 23.125063][ C1] mark_lock+0x1d7/0xa00 [ 23.125065][ C1] mark_usage+0x42/0x170 [ 23.125066][ C1] __lock_acquire+0x388/0xc20 [ 23.125069][ C1] lock_acquire.part.0+0xd4/0x280 [ 23.125070][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 23.125072][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125076][ C1] ? lock_acquire+0x13c/0x160 [ 23.125078][ C1] console_lock_spinning_enable+0x5c/0x60 [ 23.125080][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 23.125081][ C1] console_emit_next_record+0x1d1/0x4c0 [ 23.125084][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 23.125085][ C1] ? console_flush_one_record+0x106/0x710 [ 23.125087][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125089][ C1] ? lock_acquire+0x13c/0x160 [ 23.125091][ C1] console_flush_one_record+0x46f/0x710 [ 23.125094][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 23.125095][ C1] ? __lock_acquire+0x518/0xc20 [ 23.125098][ C1] console_unlock+0xee/0x1f0 [ 23.125100][ C1] ? console_flush_one_record+0x710/0x710 [ 23.125101][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125103][ C1] ? lock_acquire+0x60/0x160 [ 23.125105][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.125107][ C1] ? vprintk_emit+0x320/0x3e0 [ 23.125109][ C1] vprintk_emit+0x37c/0x3e0 [ 23.125111][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 23.125113][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125116][ C1] _printk+0xc7/0x100 [ 23.125117][ C1] ? snapshot_read.cold+0x21/0x21 [ 23.125119][ C1] ? ___ratelimit+0x4e7/0xa00 [ 23.125122][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 23.125126][ C1] ? idr_get_free+0x830/0x830 [ 23.125128][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.125132][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.125135][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 23.125138][ C1] ? __copy_skb_header+0xb7/0x510 [ 23.125141][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 23.125143][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 23.125146][ C1] __strp_recv+0x20f/0x1c20 [ 23.125149][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.125150][ C1] ? strp_process+0xb0/0xb0 [ 23.125153][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 23.125154][ C1] ? save_trace+0x68/0x280 [ 23.125156][ C1] ? mark_usage+0x61/0x170 [ 23.125158][ C1] strp_read_sock+0x20f/0x2b0 [ 23.125160][ C1] ? strp_stop+0x50/0x50 [ 23.125162][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125164][ C1] ? lock_acquire+0x13c/0x160 [ 23.125165][ C1] strp_data_ready+0x18e/0x2c0 [ 23.125168][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.125170][ C1] tcp_data_queue+0xd25/0x1fb0 [ 23.125173][ C1] ? tcp_data_ready+0x4a0/0x4a0 [ 23.125175][ C1] ? tcp_send_dupack+0xc40/0xc40 [ 23.125177][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 23.125179][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 23.125180][ C1] ? ktime_get+0x18e/0x2d0 [ 23.125183][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 23.125186][ C1] tcp_rcv_established+0x66d/0x3910 [ 23.125189][ C1] ? down_read_nested+0x100/0x500 [ 23.125191][ C1] ? __tcp_check_space+0x600/0x600 [ 23.125192][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 23.125194][ C1] ? do_raw_spin_lock+0x131/0x280 [ 23.125196][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.125198][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.125201][ C1] ? mark_usage+0x61/0x170 [ 23.125203][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 23.125205][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125206][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 23.125208][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.125210][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.125212][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.125214][ C1] ip_local_deliver+0x184/0x4c0 [ 23.125216][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 23.125217][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 23.125220][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.125222][ C1] ip_rcv+0xdc/0x3d0 [ 23.125223][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 23.125225][ C1] ? mark_usage+0x61/0x170 [ 23.125227][ C1] ? __lock_acquire+0x518/0xc20 [ 23.125229][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.125231][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125232][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.125234][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 23.125236][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125239][ C1] process_backlog+0x431/0x14c0 [ 23.125242][ C1] __napi_poll+0xa7/0x3b0 [ 23.125244][ C1] net_rx_action+0x513/0xf50 [ 23.125247][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 23.125248][ C1] ? __napi_poll+0x3b0/0x3b0 [ 23.125250][ C1] ? _raw_spin_unlock_irq_enable+0x5b/0x90 [ 23.125252][ C1] ? try_to_wake_up+0x153/0x1130 [ 23.125255][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125258][ C1] ? clockevents_program_event+0x307/0x7e0 [ 23.125261][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125263][ C1] ? mark_held_locks+0x40/0x70 [ 23.125265][ C1] handle_softirqs+0x1d3/0x900 [ 23.125267][ C1] ? _local_bh_enable+0xc0/0xc0 [ 23.125268][ C1] ? _local_bh_enable+0xc0/0xc0 [ 23.125270][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 23.125272][ C1] do_softirq+0xac/0xe0 [ 23.125273][ C1] [ 23.125274][ C1] [ 23.125274][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.125276][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.125278][ C1] ? __lock_acquire+0x518/0xc20 [ 23.125280][ C1] ? do_ipv6_getsockopt+0x18ef/0x2e80 [ 23.125282][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 23.125284][ C1] ? find_held_lock+0x2b/0x80 [ 23.125285][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125287][ C1] ? __rwlock_init+0x150/0x150 [ 23.125288][ C1] ? mark_held_locks+0x40/0x70 [ 23.125290][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 23.125291][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125293][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125294][ C1] ? ___neigh_create+0x811/0x1070 [ 23.125297][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.125300][ C1] ? ip6_dst_lookup+0x80/0x80 [ 23.125301][ C1] ? find_held_lock+0x2b/0x80 [ 23.125303][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125305][ C1] ? ip6_mtu+0x15d/0x310 [ 23.125307][ C1] ip6_finish_output+0x646/0xda0 [ 23.125309][ C1] ip6_output+0x23f/0x7f0 [ 23.125311][ C1] ? ip6_finish_output+0xda0/0xda0 [ 23.125312][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125314][ C1] ? find_held_lock+0x2b/0x80 [ 23.125316][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125317][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125319][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.125321][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 23.125323][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 23.125324][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125326][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.125329][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125330][ C1] ? addrconf_rs_timer+0x770/0x770 [ 23.125332][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125334][ C1] ? __rwlock_init+0x150/0x150 [ 23.125335][ C1] ? mark_held_locks+0x40/0x70 [ 23.125337][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 23.125339][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.125341][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125343][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 23.125345][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125346][ C1] ? __rwlock_init+0x150/0x150 [ 23.125347][ C1] ? mark_held_locks+0x40/0x70 [ 23.125349][ C1] addrconf_dad_work+0x170/0x930 [ 23.125352][ C1] ? addrconf_dad_begin+0x540/0x540 [ 23.125354][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125356][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125357][ C1] ? lock_acquire+0x13c/0x160 [ 23.125359][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125361][ C1] process_one_work+0xe3e/0x1560 [ 23.125364][ C1] ? __queue_delayed_work+0x470/0x470 [ 23.125366][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125369][ C1] worker_thread+0x4f1/0xd60 [ 23.125372][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.125374][ C1] kthread+0x367/0x460 [ 23.125375][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.125378][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.125380][ C1] ret_from_fork+0x474/0x6b0 [ 23.125381][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.125383][ C1] ? __switch_to+0x5a3/0xe00 [ 23.125386][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.125388][ C1] ret_from_fork_asm+0x11/0x20 [ 23.125391][ C1] [ 23.125395][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.125396][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 23.125397][ C1] preempt_count: 103, expected: 0 [ 23.125398][ C1] RCU nest depth: 5, expected: 0 [ 23.125399][ C1] INFO: lockdep is turned off. [ 23.125399][ C1] irq event stamp: 28335 [ 23.125400][ C1] hardirqs last enabled at (28334): [] __down_trylock_console_sem+0x86/0xa0 [ 23.125403][ C1] hardirqs last disabled at (28335): [] console_emit_next_record+0x3d4/0x4c0 [ 23.125405][ C1] softirqs last enabled at (28268): [] __dev_queue_xmit+0x964/0x1b80 [ 23.125407][ C1] softirqs last disabled at (28269): [] do_softirq+0xac/0xe0 [ 23.125408][ C1] Preemption disabled at: [ 23.125409][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 23.125412][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.125414][ C1] Tainted: [W]=WARN [ 23.125414][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.125415][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.125417][ C1] Call Trace: [ 23.125418][ C1] [ 23.125418][ C1] dump_stack_lvl+0x6f/0xa0 [ 23.125421][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 23.125423][ C1] __might_resched.cold+0x1fe/0x2c1 [ 23.125425][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.125428][ C1] ? nbcon_get_cpu_emergency_nesting+0xa/0x30 [ 23.125430][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125432][ C1] __kmalloc_noprof+0x443/0x760 [ 23.125434][ C1] ? __rwlock_init+0x150/0x150 [ 23.125435][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 23.125437][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 23.125439][ C1] alloc_buf.isra.0+0x4b/0x260 [ 23.125441][ C1] put_chars+0x1e1/0x2f0 [ 23.125442][ C1] ? __send_to_port+0x420/0x420 [ 23.125444][ C1] ? mark_lock+0x1d7/0xa00 [ 23.125446][ C1] hvc_console_print+0x292/0x780 [ 23.125449][ C1] ? hvc_write+0x3a0/0x3a0 [ 23.125450][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125452][ C1] ? lock_acquire+0x13c/0x160 [ 23.125454][ C1] console_emit_next_record+0x22f/0x4c0 [ 23.125457][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 23.125458][ C1] ? console_flush_one_record+0x106/0x710 [ 23.125460][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125462][ C1] ? lock_acquire+0x13c/0x160 [ 23.125464][ C1] console_flush_one_record+0x46f/0x710 [ 23.125466][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 23.125468][ C1] ? __lock_acquire+0x518/0xc20 [ 23.125470][ C1] console_unlock+0xee/0x1f0 [ 23.125472][ C1] ? console_flush_one_record+0x710/0x710 [ 23.125473][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125475][ C1] ? lock_acquire+0x60/0x160 [ 23.125477][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.125479][ C1] ? vprintk_emit+0x320/0x3e0 [ 23.125480][ C1] vprintk_emit+0x37c/0x3e0 [ 23.125483][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 23.125485][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125487][ C1] _printk+0xc7/0x100 [ 23.125488][ C1] ? snapshot_read.cold+0x21/0x21 [ 23.125490][ C1] ? ___ratelimit+0x4e7/0xa00 [ 23.125492][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 23.125495][ C1] ? idr_get_free+0x830/0x830 [ 23.125497][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.125500][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.125502][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 23.125505][ C1] ? __copy_skb_header+0xb7/0x510 [ 23.125507][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 23.125509][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 23.125511][ C1] __strp_recv+0x20f/0x1c20 [ 23.125515][ C1] __tcp_read_sock+0x1c7/0x850 [ 23.125516][ C1] ? strp_process+0xb0/0xb0 [ 23.125518][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 23.125520][ C1] ? save_trace+0x68/0x280 [ 23.125521][ C1] ? mark_usage+0x61/0x170 [ 23.125523][ C1] strp_read_sock+0x20f/0x2b0 [ 23.125525][ C1] ? strp_stop+0x50/0x50 [ 23.125528][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125529][ C1] ? lock_acquire+0x13c/0x160 [ 23.125531][ C1] strp_data_ready+0x18e/0x2c0 [ 23.125533][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.125536][ C1] tcp_data_queue+0xd25/0x1fb0 [ 23.125539][ C1] ? tcp_data_ready+0x4a0/0x4a0 [ 23.125541][ C1] ? tcp_send_dupack+0xc40/0xc40 [ 23.125543][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 23.125544][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 23.125546][ C1] ? ktime_get+0x18e/0x2d0 [ 23.125547][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 23.125549][ C1] tcp_rcv_established+0x66d/0x3910 [ 23.125551][ C1] ? down_read_nested+0x100/0x500 [ 23.125553][ C1] ? __tcp_check_space+0x600/0x600 [ 23.125555][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 23.125557][ C1] ? do_raw_spin_lock+0x131/0x280 [ 23.125559][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.125561][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 23.125564][ C1] ? mark_usage+0x61/0x170 [ 23.125565][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 23.125568][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125569][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 23.125571][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 23.125573][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.125575][ C1] ip_local_deliver_finish+0x36f/0x610 [ 23.125577][ C1] ip_local_deliver+0x184/0x4c0 [ 23.125579][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 23.125580][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 23.125583][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.125585][ C1] ip_rcv+0xdc/0x3d0 [ 23.125586][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 23.125588][ C1] ? mark_usage+0x61/0x170 [ 23.125589][ C1] ? __lock_acquire+0x518/0xc20 [ 23.125592][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 23.125594][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125595][ C1] ? process_backlog+0x3f1/0x14c0 [ 23.125597][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 23.125599][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125601][ C1] process_backlog+0x431/0x14c0 [ 23.125604][ C1] __napi_poll+0xa7/0x3b0 [ 23.125606][ C1] net_rx_action+0x513/0xf50 [ 23.125609][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 23.125611][ C1] ? __napi_poll+0x3b0/0x3b0 [ 23.125612][ C1] ? _raw_spin_unlock_irq_enable+0x5b/0x90 [ 23.125614][ C1] ? try_to_wake_up+0x153/0x1130 [ 23.125615][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125618][ C1] ? clockevents_program_event+0x307/0x7e0 [ 23.125620][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125622][ C1] ? mark_held_locks+0x40/0x70 [ 23.125624][ C1] handle_softirqs+0x1d3/0x900 [ 23.125626][ C1] ? _local_bh_enable+0xc0/0xc0 [ 23.125627][ C1] ? _local_bh_enable+0xc0/0xc0 [ 23.125629][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 23.125631][ C1] do_softirq+0xac/0xe0 [ 23.125632][ C1] [ 23.125633][ C1] [ 23.125633][ C1] __local_bh_enable_ip+0x118/0x150 [ 23.125635][ C1] __dev_queue_xmit+0x979/0x1b80 [ 23.125637][ C1] ? __lock_acquire+0x518/0xc20 [ 23.125639][ C1] ? do_ipv6_getsockopt+0x18ef/0x2e80 [ 23.125641][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 23.125642][ C1] ? find_held_lock+0x2b/0x80 [ 23.125644][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125645][ C1] ? __rwlock_init+0x150/0x150 [ 23.125647][ C1] ? mark_held_locks+0x40/0x70 [ 23.125649][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 23.125650][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125651][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125652][ C1] ? ___neigh_create+0x811/0x1070 [ 23.125655][ C1] ip6_finish_output2+0x423/0x12a0 [ 23.125657][ C1] ? ip6_dst_lookup+0x80/0x80 [ 23.125659][ C1] ? find_held_lock+0x2b/0x80 [ 23.125660][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125662][ C1] ? ip6_mtu+0x15d/0x310 [ 23.125664][ C1] ip6_finish_output+0x646/0xda0 [ 23.125666][ C1] ip6_output+0x23f/0x7f0 [ 23.125668][ C1] ? ip6_finish_output+0xda0/0xda0 [ 23.125670][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125671][ C1] ? find_held_lock+0x2b/0x80 [ 23.125673][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125674][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125676][ C1] ndisc_send_skb+0xba3/0x1520 [ 23.125678][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 23.125680][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 23.125681][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 23.125683][ C1] addrconf_dad_completed+0x37e/0xe10 [ 23.125686][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125687][ C1] ? addrconf_rs_timer+0x770/0x770 [ 23.125689][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125691][ C1] ? __rwlock_init+0x150/0x150 [ 23.125692][ C1] ? mark_held_locks+0x40/0x70 [ 23.125694][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 23.125696][ C1] addrconf_dad_begin+0x2e1/0x540 [ 23.125698][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125700][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 23.125702][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 23.125703][ C1] ? __rwlock_init+0x150/0x150 [ 23.125705][ C1] ? mark_held_locks+0x40/0x70 [ 23.125707][ C1] addrconf_dad_work+0x170/0x930 [ 23.125709][ C1] ? addrconf_dad_begin+0x540/0x540 [ 23.125711][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125713][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125715][ C1] ? lock_acquire+0x13c/0x160 [ 23.125716][ C1] ? rcu_is_watching+0x16/0xd0 [ 23.125718][ C1] process_one_work+0xe3e/0x1560 [ 23.125721][ C1] ? __queue_delayed_work+0x470/0x470 [ 23.125723][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 23.125726][ C1] worker_thread+0x4f1/0xd60 [ 23.125729][ C1] ? rescuer_thread+0x1340/0x1340 [ 23.125730][ C1] kthread+0x367/0x460 [ 23.125732][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.125733][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.125735][ C1] ret_from_fork+0x474/0x6b0 [ 23.125736][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.125738][ C1] ? __switch_to+0x5a3/0xe00 [ 23.125740][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.125741][ C1] ret_from_fork_asm+0x11/0x20 [ 23.125744][ C1] [ 23.303613][ C3] tun0: no available key for peer 2, key-id: 0 [ 23.464743][ C3] tun0: no available key for peer 5, key-id: 0 [ 32.128700][ T613] iperf3 (613) used greatest stack depth: 23024 bytes left [ 32.128718][ T613] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.128720][ T613] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 613, name: iperf3 [ 32.128722][ T613] preempt_count: 2, expected: 0 [ 32.128723][ T613] RCU nest depth: 0, expected: 0 [ 32.128724][ T613] INFO: lockdep is turned off. [ 32.128725][ T613] irq event stamp: 0 [ 32.128726][ T613] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.128730][ T613] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.128737][ T613] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.128738][ T613] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.128740][ T613] Preemption disabled at: [ 32.128741][ T613] [<0000000000000000>] 0x0 [ 32.128746][ T613] CPU: 2 UID: 0 PID: 613 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.128750][ T613] Tainted: [W]=WARN [ 32.128751][ T613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.128752][ T613] Call Trace: [ 32.128754][ T613] [ 32.128755][ T613] dump_stack_lvl+0x6f/0xa0 [ 32.128761][ T613] __might_resched.cold+0x1fe/0x2c1 [ 32.128765][ T613] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.128769][ T613] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 32.128771][ T613] ? rcu_is_watching+0x16/0xd0 [ 32.128775][ T613] __kmalloc_noprof+0x443/0x760 [ 32.128779][ T613] ? __rwlock_init+0x150/0x150 [ 32.128782][ T613] ? alloc_buf.isra.0+0x4b/0x260 [ 32.128786][ T613] ? do_raw_spin_unlock+0x59/0x250 [ 32.128788][ T613] alloc_buf.isra.0+0x4b/0x260 [ 32.128790][ T613] put_chars+0x1e1/0x2f0 [ 32.128792][ T613] ? prb_final_commit+0x50/0x50 [ 32.128799][ T613] ? __send_to_port+0x420/0x420 [ 32.128802][ T613] ? printk_get_next_message+0x240/0x650 [ 32.128805][ T613] hvc_console_print+0x292/0x780 [ 32.128809][ T613] ? hvc_write+0x3a0/0x3a0 [ 32.128811][ T613] ? do_raw_spin_lock+0x131/0x280 [ 32.128813][ T613] ? vsnprintf+0x668/0x1700 [ 32.128816][ T613] ? __rwlock_init+0x150/0x150 [ 32.128817][ T613] ? rcu_is_watching+0x16/0xd0 [ 32.128819][ T613] ? lock_acquire+0x13c/0x160 [ 32.128822][ T613] console_emit_next_record+0x22f/0x4c0 [ 32.128827][ T613] ? devkmsg_read+0x4b0/0x4b0 [ 32.128830][ T613] ? rcu_is_watching+0x16/0xd0 [ 32.128832][ T613] ? rcu_is_watching+0x16/0xd0 [ 32.128833][ T613] ? rcu_is_watching+0x16/0xd0 [ 32.128835][ T613] ? lock_acquire+0x13c/0x160 [ 32.128838][ T613] ? console_flush_one_record+0x111/0x710 [ 32.128840][ T613] console_flush_one_record+0x46f/0x710 [ 32.128842][ T613] ? console_emit_next_record+0x4c0/0x4c0 [ 32.128846][ T613] console_unlock+0xee/0x1f0 [ 32.128848][ T613] ? lock_acquire+0x13c/0x160 [ 32.128850][ T613] ? console_flush_one_record+0x710/0x710 [ 32.128852][ T613] ? rcu_is_watching+0x16/0xd0 [ 32.128854][ T613] ? lock_release+0x184/0x1f0 [ 32.128855][ T613] ? lock_acquire+0x60/0x160 [ 32.128857][ T613] ? __rcu_read_lock+0x30/0x70 [ 32.128859][ T613] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.128861][ T613] ? vprintk_emit+0x320/0x3e0 [ 32.128863][ T613] vprintk_emit+0x37c/0x3e0 [ 32.128865][ T613] ? wake_up_klogd_work_func+0x90/0x90 [ 32.128868][ T613] _printk+0xc7/0x100 [ 32.128871][ T613] ? snapshot_read.cold+0x21/0x21 [ 32.128873][ T613] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.128875][ T613] ? do_raw_spin_lock+0x131/0x280 [ 32.128877][ T613] ? __rwlock_init+0x150/0x150 [ 32.128880][ T613] ? do_raw_spin_lock+0x131/0x280 [ 32.128882][ T613] do_exit.cold+0x82/0x9c [ 32.128884][ T613] ? exit_notify+0x890/0x890 [ 32.128887][ T613] __x64_sys_exit+0x42/0x50 [ 32.128889][ T613] x64_sys_call+0x156c/0x1570 [ 32.128892][ T613] do_syscall_64+0xff/0x530 [ 32.128894][ T613] ? exc_page_fault+0xee/0x100 [ 32.128896][ T613] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.128898][ T613] RIP: 0033:0x7f336330ac49 [ 32.128900][ T613] Code: Unable to access opcode bytes at 0x7f336330ac1f. [ 32.128902][ T613] RSP: 002b:00007f3362ac9e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.128905][ T613] RAX: ffffffffffffffda RBX: 00007f3362aca6c0 RCX: 00007f336330ac49 [ 32.128907][ T613] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.128908][ T613] RBP: 00007f3362ac9f70 R08: 0000000000000001 R09: 00007f3362aca6c0 [ 32.128909][ T613] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f33622ca000 [ 32.128909][ T613] R13: 00007ffea7d01a30 R14: 0000000000000002 R15: 00007ffea7d01b37 [ 32.128912][ T613] [ 33.455871][ T707] tun0: deleting peer with id 1, reason 1 [ 33.455890][ T707] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.455892][ T707] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 707, name: ovpn-cli [ 33.455894][ T707] preempt_count: 202, expected: 0 [ 33.455895][ T707] RCU nest depth: 0, expected: 0 [ 33.455896][ T707] INFO: lockdep is turned off. [ 33.455897][ T707] irq event stamp: 0 [ 33.455898][ T707] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.455902][ T707] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 33.455908][ T707] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 33.455909][ T707] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.455911][ T707] Preemption disabled at: [ 33.455912][ T707] [<0000000000000000>] 0x0 [ 33.455917][ T707] CPU: 0 UID: 0 PID: 707 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.455920][ T707] Tainted: [W]=WARN [ 33.455921][ T707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.455923][ T707] Call Trace: [ 33.455924][ T707] [ 33.455925][ T707] dump_stack_lvl+0x6f/0xa0 [ 33.455931][ T707] __might_resched.cold+0x1fe/0x2c1 [ 33.455935][ T707] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.455939][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.455943][ T707] __kmalloc_noprof+0x443/0x760 [ 33.455946][ T707] ? __rwlock_init+0x150/0x150 [ 33.455949][ T707] ? alloc_buf.isra.0+0x4b/0x260 [ 33.455953][ T707] ? do_raw_spin_unlock+0x59/0x250 [ 33.455955][ T707] alloc_buf.isra.0+0x4b/0x260 [ 33.455957][ T707] put_chars+0x1e1/0x2f0 [ 33.455959][ T707] ? __send_to_port+0x420/0x420 [ 33.455961][ T707] ? printk_get_next_message+0x240/0x650 [ 33.455964][ T707] hvc_console_print+0x292/0x780 [ 33.455968][ T707] ? hvc_write+0x3a0/0x3a0 [ 33.455970][ T707] ? __rwlock_init+0x150/0x150 [ 33.455971][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.455973][ T707] ? lock_acquire+0x13c/0x160 [ 33.455975][ T707] console_emit_next_record+0x22f/0x4c0 [ 33.455978][ T707] ? devkmsg_read+0x4b0/0x4b0 [ 33.455980][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.455982][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.455983][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.455985][ T707] ? lock_acquire+0x13c/0x160 [ 33.455987][ T707] ? console_flush_one_record+0x111/0x710 [ 33.455988][ T707] console_flush_one_record+0x46f/0x710 [ 33.455991][ T707] ? console_emit_next_record+0x4c0/0x4c0 [ 33.455993][ T707] console_unlock+0xee/0x1f0 [ 33.455995][ T707] ? lock_acquire+0x13c/0x160 [ 33.455997][ T707] ? console_flush_one_record+0x710/0x710 [ 33.455998][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456000][ T707] ? lock_release+0x184/0x1f0 [ 33.456001][ T707] ? lock_acquire+0x60/0x160 [ 33.456003][ T707] ? __rcu_read_lock+0x30/0x70 [ 33.456005][ T707] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.456007][ T707] ? vprintk_emit+0x320/0x3e0 [ 33.456009][ T707] vprintk_emit+0x37c/0x3e0 [ 33.456011][ T707] ? wake_up_klogd_work_func+0x90/0x90 [ 33.456013][ T707] ? kernel_text_address+0x149/0x170 [ 33.456015][ T707] ? __kernel_text_address+0x12/0x30 [ 33.456016][ T707] ? write_profile+0xf0/0xf0 [ 33.456019][ T707] ? unwind_get_return_address+0x67/0xd0 [ 33.456021][ T707] _printk+0xc7/0x100 [ 33.456024][ T707] ? snapshot_read.cold+0x21/0x21 [ 33.456026][ T707] ? netdev_name+0x43/0x60 [ 33.456029][ T707] ? __netdev_printk+0x17f/0x1d0 [ 33.456031][ T707] netdev_info+0xe2/0x116 [ 33.456032][ T707] ? netdev_notice+0x120/0x120 [ 33.456034][ T707] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 33.456040][ T707] ? __module_address+0x36/0x330 [ 33.456043][ T707] ? lock_acquire+0x13c/0x160 [ 33.456044][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456046][ T707] ? lock_release+0x184/0x1f0 [ 33.456048][ T707] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 33.456051][ T707] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 33.456056][ T707] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 33.456058][ T707] ? lock_acquire+0x13c/0x160 [ 33.456060][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456061][ T707] ? lock_release+0x184/0x1f0 [ 33.456063][ T707] ovpn_peer_remove+0x394/0x640 [ovpn] [ 33.456066][ T707] ? do_raw_spin_lock+0x131/0x280 [ 33.456068][ T707] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 33.456071][ T707] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 33.456074][ T707] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 33.456078][ T707] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 33.456080][ T707] ? trace_hardirqs_on+0x36/0x40 [ 33.456083][ T707] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.456086][ T707] ? ref_tracker_alloc+0x28d/0x430 [ 33.456090][ T707] ? lock_release+0x184/0x1f0 [ 33.456092][ T707] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 33.456095][ T707] genl_family_rcv_msg_doit+0x206/0x300 [ 33.456100][ T707] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 33.456102][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456104][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456106][ T707] ? cap_capable+0x1d7/0x3d0 [ 33.456110][ T707] ? write_profile+0xf0/0xf0 [ 33.456111][ T707] ? unwind_get_return_address+0x67/0xd0 [ 33.456113][ T707] genl_family_rcv_msg+0x3a4/0x640 [ 33.456115][ T707] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 33.456117][ T707] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 33.456120][ T707] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.456122][ T707] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 33.456125][ T707] ? filter_irq_stacks+0xd0/0xd0 [ 33.456126][ T707] ? stack_depot_save_flags+0x1bc/0x790 [ 33.456128][ T707] genl_rcv_msg+0xbb/0x160 [ 33.456131][ T707] netlink_rcv_skb+0x14e/0x3a0 [ 33.456133][ T707] ? genl_family_rcv_msg+0x640/0x640 [ 33.456135][ T707] ? netlink_ack+0xcf0/0xcf0 [ 33.456138][ T707] ? lock_acquire+0x13c/0x160 [ 33.456139][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456141][ T707] ? lock_release+0x184/0x1f0 [ 33.456143][ T707] genl_rcv+0x28/0x40 [ 33.456145][ T707] netlink_unicast+0x486/0x750 [ 33.456147][ T707] ? netlink_attachskb+0x810/0x810 [ 33.456149][ T707] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.456150][ T707] ? trace_hardirqs_on+0x36/0x40 [ 33.456151][ T707] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 33.456155][ T707] netlink_sendmsg+0x735/0xc60 [ 33.456157][ T707] ? netlink_unicast+0x750/0x750 [ 33.456159][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456161][ T707] ? lock_release+0x184/0x1f0 [ 33.456163][ T707] ____sys_sendmsg+0x415/0x880 [ 33.456166][ T707] ? copy_msghdr_from_user+0x279/0x420 [ 33.456168][ T707] ? get_timestamp.constprop.0+0x390/0x390 [ 33.456170][ T707] ? move_addr_to_kernel+0x40/0x40 [ 33.456173][ T707] ___sys_sendmsg+0x14e/0x1d0 [ 33.456175][ T707] ? copy_msghdr_from_user+0x420/0x420 [ 33.456176][ T707] ? kfree+0x22/0x590 [ 33.456181][ T707] __sys_sendmsg+0x12c/0x1d0 [ 33.456183][ T707] ? __sys_sendmsg_sock+0x20/0x20 [ 33.456186][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456188][ T707] ? rcu_is_watching+0x16/0xd0 [ 33.456190][ T707] do_syscall_64+0xff/0x530 [ 33.456192][ T707] ? exc_page_fault+0xee/0x100 [ 33.456194][ T707] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.456196][ T707] RIP: 0033:0x7fd05912a54e [ 33.456198][ T707] 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 [ 33.456200][ T707] RSP: 002b:00007ffc816899a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.456204][ T707] RAX: ffffffffffffffda RBX: 000000001036a130 RCX: 00007fd05912a54e [ 33.456205][ T707] RDX: 0000000000000000 RSI: 00007ffc81689a40 RDI: 0000000000000005 [ 33.456206][ T707] RBP: 00007ffc816899b0 R08: 0000000000000000 R09: 0000000000000000 [ 33.456207][ T707] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001036a200 [ 33.456208][ T707] R13: 00007ffc81689a40 R14: 000000001036b260 R15: 000000000040bda8 [ 33.456210][ T707] [ 33.541446][ T711] tun1: deleting peer with id 1, reason 1 [ 36.135855][ T759] tun0: deleting peer with id 2, reason 1 [ 36.135874][ T759] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.135876][ T759] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 759, name: ovpn-cli [ 36.135878][ T759] preempt_count: 202, expected: 0 [ 36.135879][ T759] RCU nest depth: 0, expected: 0 [ 36.135879][ T759] INFO: lockdep is turned off. [ 36.135881][ T759] irq event stamp: 0 [ 36.135881][ T759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.135886][ T759] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 36.135892][ T759] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 36.135893][ T759] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.135895][ T759] Preemption disabled at: [ 36.135896][ T759] [<0000000000000000>] 0x0 [ 36.135901][ T759] CPU: 0 UID: 0 PID: 759 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.135904][ T759] Tainted: [W]=WARN [ 36.135905][ T759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.135907][ T759] Call Trace: [ 36.135908][ T759] [ 36.135909][ T759] dump_stack_lvl+0x6f/0xa0 [ 36.135915][ T759] __might_resched.cold+0x1fe/0x2c1 [ 36.135919][ T759] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.135923][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.135927][ T759] __kmalloc_noprof+0x443/0x760 [ 36.135931][ T759] ? __rwlock_init+0x150/0x150 [ 36.135933][ T759] ? alloc_buf.isra.0+0x4b/0x260 [ 36.135938][ T759] ? do_raw_spin_unlock+0x59/0x250 [ 36.135940][ T759] alloc_buf.isra.0+0x4b/0x260 [ 36.135942][ T759] put_chars+0x1e1/0x2f0 [ 36.135944][ T759] ? __send_to_port+0x420/0x420 [ 36.135946][ T759] ? printk_get_next_message+0x240/0x650 [ 36.135949][ T759] hvc_console_print+0x292/0x780 [ 36.135953][ T759] ? hvc_write+0x3a0/0x3a0 [ 36.135955][ T759] ? __rwlock_init+0x150/0x150 [ 36.135956][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.135958][ T759] ? lock_acquire+0x13c/0x160 [ 36.135960][ T759] console_emit_next_record+0x22f/0x4c0 [ 36.135963][ T759] ? devkmsg_read+0x4b0/0x4b0 [ 36.135965][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.135967][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.135968][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.135970][ T759] ? lock_acquire+0x13c/0x160 [ 36.135972][ T759] ? console_flush_one_record+0x111/0x710 [ 36.135974][ T759] console_flush_one_record+0x46f/0x710 [ 36.135976][ T759] ? console_emit_next_record+0x4c0/0x4c0 [ 36.135979][ T759] console_unlock+0xee/0x1f0 [ 36.135981][ T759] ? lock_acquire+0x13c/0x160 [ 36.135982][ T759] ? console_flush_one_record+0x710/0x710 [ 36.135984][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.135985][ T759] ? lock_release+0x184/0x1f0 [ 36.135987][ T759] ? lock_acquire+0x60/0x160 [ 36.135988][ T759] ? __rcu_read_lock+0x30/0x70 [ 36.135990][ T759] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.135992][ T759] ? vprintk_emit+0x320/0x3e0 [ 36.135994][ T759] vprintk_emit+0x37c/0x3e0 [ 36.135997][ T759] ? wake_up_klogd_work_func+0x90/0x90 [ 36.135998][ T759] ? kernel_text_address+0x149/0x170 [ 36.136001][ T759] ? __kernel_text_address+0x12/0x30 [ 36.136002][ T759] ? write_profile+0xf0/0xf0 [ 36.136004][ T759] ? unwind_get_return_address+0x67/0xd0 [ 36.136007][ T759] _printk+0xc7/0x100 [ 36.136010][ T759] ? snapshot_read.cold+0x21/0x21 [ 36.136012][ T759] ? netdev_name+0x43/0x60 [ 36.136015][ T759] ? __netdev_printk+0x17f/0x1d0 [ 36.136017][ T759] netdev_info+0xe2/0x116 [ 36.136018][ T759] ? netdev_notice+0x120/0x120 [ 36.136020][ T759] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 36.136026][ T759] ? __module_address+0x36/0x330 [ 36.136029][ T759] ? lock_acquire+0x13c/0x160 [ 36.136030][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136032][ T759] ? lock_release+0x184/0x1f0 [ 36.136034][ T759] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 36.136037][ T759] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.136041][ T759] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 36.136043][ T759] ? lock_acquire+0x13c/0x160 [ 36.136045][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136047][ T759] ? lock_release+0x184/0x1f0 [ 36.136049][ T759] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.136051][ T759] ? do_raw_spin_lock+0x131/0x280 [ 36.136053][ T759] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 36.136057][ T759] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.136060][ T759] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 36.136063][ T759] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.136066][ T759] ? trace_hardirqs_on+0x36/0x40 [ 36.136068][ T759] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.136071][ T759] ? ref_tracker_alloc+0x28d/0x430 [ 36.136074][ T759] ? do_raw_spin_lock+0x131/0x280 [ 36.136077][ T759] ? __rcu_read_unlock+0xc9/0x110 [ 36.136079][ T759] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 36.136082][ T759] genl_family_rcv_msg_doit+0x206/0x300 [ 36.136086][ T759] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 36.136088][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136091][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136093][ T759] ? cap_capable+0x1d7/0x3d0 [ 36.136096][ T759] ? write_profile+0xf0/0xf0 [ 36.136098][ T759] ? unwind_get_return_address+0x67/0xd0 [ 36.136099][ T759] genl_family_rcv_msg+0x3a4/0x640 [ 36.136102][ T759] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 36.136104][ T759] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 36.136106][ T759] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.136108][ T759] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 36.136111][ T759] ? filter_irq_stacks+0xd0/0xd0 [ 36.136112][ T759] ? stack_depot_save_flags+0x1bc/0x790 [ 36.136115][ T759] genl_rcv_msg+0xbb/0x160 [ 36.136117][ T759] netlink_rcv_skb+0x14e/0x3a0 [ 36.136119][ T759] ? genl_family_rcv_msg+0x640/0x640 [ 36.136121][ T759] ? netlink_ack+0xcf0/0xcf0 [ 36.136124][ T759] ? lock_acquire+0x13c/0x160 [ 36.136125][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136127][ T759] ? lock_release+0x184/0x1f0 [ 36.136129][ T759] genl_rcv+0x28/0x40 [ 36.136131][ T759] netlink_unicast+0x486/0x750 [ 36.136133][ T759] ? netlink_attachskb+0x810/0x810 [ 36.136135][ T759] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.136136][ T759] ? trace_hardirqs_on+0x36/0x40 [ 36.136137][ T759] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 36.136141][ T759] netlink_sendmsg+0x735/0xc60 [ 36.136143][ T759] ? netlink_unicast+0x750/0x750 [ 36.136145][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136147][ T759] ? lock_release+0x184/0x1f0 [ 36.136149][ T759] ____sys_sendmsg+0x415/0x880 [ 36.136153][ T759] ? copy_msghdr_from_user+0x279/0x420 [ 36.136154][ T759] ? get_timestamp.constprop.0+0x390/0x390 [ 36.136156][ T759] ? move_addr_to_kernel+0x40/0x40 [ 36.136159][ T759] ___sys_sendmsg+0x14e/0x1d0 [ 36.136161][ T759] ? copy_msghdr_from_user+0x420/0x420 [ 36.136162][ T759] ? kfree+0x22/0x590 [ 36.136167][ T759] __sys_sendmsg+0x12c/0x1d0 [ 36.136170][ T759] ? __sys_sendmsg_sock+0x20/0x20 [ 36.136172][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136174][ T759] ? rcu_is_watching+0x16/0xd0 [ 36.136176][ T759] do_syscall_64+0xff/0x530 [ 36.136179][ T759] ? exc_page_fault+0xee/0x100 [ 36.136181][ T759] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.136183][ T759] RIP: 0033:0x7febeed2854e [ 36.136185][ T759] 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 [ 36.136187][ T759] RSP: 002b:00007ffdfd04a490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.136191][ T759] RAX: ffffffffffffffda RBX: 0000000037eae130 RCX: 00007febeed2854e [ 36.136192][ T759] RDX: 0000000000000000 RSI: 00007ffdfd04a530 RDI: 0000000000000005 [ 36.136193][ T759] RBP: 00007ffdfd04a4a0 R08: 0000000000000000 R09: 0000000000000000 [ 36.136194][ T759] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000037eae200 [ 36.136194][ T759] R13: 00007ffdfd04a530 R14: 0000000037eaf260 R15: 000000000040bda8 [ 36.136197][ T759] [ 36.218495][ T763] tun2: deleting peer with id 2, reason 1 [ 41.908853][ T34] tun0: deleting peer with id 4, reason 2 [ 41.908874][ T34] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 41.908876][ T34] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 34, name: kworker/3:0 [ 41.908878][ T34] preempt_count: 202, expected: 0 [ 41.908879][ T34] RCU nest depth: 0, expected: 0 [ 41.908880][ T34] INFO: lockdep is turned off. [ 41.908881][ T34] irq event stamp: 14814 [ 41.908882][ T34] hardirqs last enabled at (14813): [] _raw_spin_unlock_irq+0x28/0x50 [ 41.908889][ T34] hardirqs last disabled at (14814): [] __schedule+0x1246/0x20e0 [ 41.908892][ T34] softirqs last enabled at (14624): [] handle_softirqs+0x67c/0x900 [ 41.908896][ T34] softirqs last disabled at (14585): [] do_softirq+0xac/0xe0 [ 41.908898][ T34] Preemption disabled at: [ 41.908899][ T34] [<0000000000000000>] 0x0 [ 41.908906][ T34] CPU: 3 UID: 0 PID: 34 Comm: kworker/3:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 41.908910][ T34] Tainted: [W]=WARN [ 41.908910][ T34] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.908912][ T34] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.908922][ T34] Call Trace: [ 41.908923][ T34] [ 41.908926][ T34] dump_stack_lvl+0x6f/0xa0 [ 41.908931][ T34] __might_resched.cold+0x1fe/0x2c1 [ 41.908935][ T34] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 41.908939][ T34] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 41.908941][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.908945][ T34] __kmalloc_noprof+0x443/0x760 [ 41.908949][ T34] ? __rwlock_init+0x150/0x150 [ 41.908951][ T34] ? alloc_buf.isra.0+0x4b/0x260 [ 41.908955][ T34] ? do_raw_spin_unlock+0x59/0x250 [ 41.908957][ T34] alloc_buf.isra.0+0x4b/0x260 [ 41.908959][ T34] put_chars+0x1e1/0x2f0 [ 41.908961][ T34] ? prb_final_commit+0x50/0x50 [ 41.908962][ T34] ? __send_to_port+0x420/0x420 [ 41.908964][ T34] ? printk_get_next_message+0x240/0x650 [ 41.908967][ T34] hvc_console_print+0x292/0x780 [ 41.908971][ T34] ? hvc_write+0x3a0/0x3a0 [ 41.908973][ T34] ? do_raw_spin_lock+0x131/0x280 [ 41.908974][ T34] ? vsnprintf+0x527/0x1700 [ 41.908976][ T34] ? __rwlock_init+0x150/0x150 [ 41.908978][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.908979][ T34] ? lock_acquire+0x13c/0x160 [ 41.908982][ T34] console_emit_next_record+0x22f/0x4c0 [ 41.908985][ T34] ? devkmsg_read+0x4b0/0x4b0 [ 41.908987][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.908988][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.908990][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.908992][ T34] ? lock_acquire+0x13c/0x160 [ 41.908993][ T34] ? console_flush_one_record+0x111/0x710 [ 41.908995][ T34] console_flush_one_record+0x46f/0x710 [ 41.908997][ T34] ? console_emit_next_record+0x4c0/0x4c0 [ 41.909000][ T34] console_unlock+0xee/0x1f0 [ 41.909002][ T34] ? lock_acquire+0x13c/0x160 [ 41.909004][ T34] ? console_flush_one_record+0x710/0x710 [ 41.909005][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.909007][ T34] ? lock_release+0x184/0x1f0 [ 41.909008][ T34] ? lock_acquire+0x60/0x160 [ 41.909010][ T34] ? __rcu_read_lock+0x30/0x70 [ 41.909012][ T34] ? __down_trylock_console_sem+0x5e/0xa0 [ 41.909013][ T34] ? vprintk_emit+0x320/0x3e0 [ 41.909015][ T34] vprintk_emit+0x37c/0x3e0 [ 41.909018][ T34] ? wake_up_klogd_work_func+0x90/0x90 [ 41.909020][ T34] ? arch_stack_walk+0xd7/0x130 [ 41.909023][ T34] _printk+0xc7/0x100 [ 41.909026][ T34] ? snapshot_read.cold+0x21/0x21 [ 41.909028][ T34] ? stack_trace_save+0x93/0xc0 [ 41.909031][ T34] ? filter_irq_stacks+0xd0/0xd0 [ 41.909032][ T34] ? netdev_name+0x43/0x60 [ 41.909035][ T34] ? __netdev_printk+0x17f/0x1d0 [ 41.909036][ T34] netdev_info+0xe2/0x116 [ 41.909038][ T34] ? netdev_notice+0x120/0x120 [ 41.909039][ T34] ? kasan_save_track+0x14/0x30 [ 41.909042][ T34] ? kmem_cache_free+0xf8/0x550 [ 41.909044][ T34] ? free_object_list.isra.0+0x1b6/0x310 [ 41.909047][ T34] ? kthread+0x367/0x460 [ 41.909050][ T34] ? ret_from_fork+0x474/0x6b0 [ 41.909051][ T34] ? ret_from_fork_asm+0x11/0x20 [ 41.909054][ T34] ? trace_irq_enable.constprop.0+0x30/0x160 [ 41.909057][ T34] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 41.909062][ T34] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 41.909064][ T34] ? __rwlock_init+0x150/0x150 [ 41.909066][ T34] ? lock_acquire+0x13c/0x160 [ 41.909067][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.909069][ T34] ovpn_peer_remove+0x394/0x640 [ovpn] [ 41.909073][ T34] ? do_raw_spin_lock+0x131/0x280 [ 41.909075][ T34] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 41.909078][ T34] ? __rwlock_init+0x150/0x150 [ 41.909079][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.909081][ T34] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 41.909082][ T34] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 41.909084][ T34] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 41.909087][ T34] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 41.909089][ T34] ? __rwlock_init+0x150/0x150 [ 41.909092][ T34] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 41.909095][ T34] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 41.909098][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.909099][ T34] ? lock_acquire+0x13c/0x160 [ 41.909101][ T34] ? rcu_is_watching+0x16/0xd0 [ 41.909103][ T34] process_one_work+0xe3e/0x1560 [ 41.909107][ T34] ? __queue_delayed_work+0x470/0x470 [ 41.909110][ T34] ? __rwlock_init+0x150/0x150 [ 41.909112][ T34] worker_thread+0x4f1/0xd60 [ 41.909115][ T34] ? rescuer_thread+0x1340/0x1340 [ 41.909117][ T34] kthread+0x367/0x460 [ 41.909119][ T34] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 41.909120][ T34] ? kthread_affine_preferred+0x4c0/0x4c0 [ 41.909122][ T34] ret_from_fork+0x474/0x6b0 [ 41.909123][ T34] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 41.909125][ T34] ? __switch_to+0x5a3/0xe00 [ 41.909128][ T34] ? kthread_affine_preferred+0x4c0/0x4c0 [ 41.909129][ T34] ret_from_fork_asm+0x11/0x20 [ 41.909132][ T34] [ 41.924436][ T34] tun0: deleting peer with id 3, reason 2 [ 41.928610][ T34] tun0: deleting peer with id 5, reason 2 [ 41.928846][ T34] tun0: deleting peer with id 6, reason 2 [ 47.027886][ T34] tun3: deleting peer with id 3, reason 2 [ 47.027905][ T34] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 47.027907][ T34] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 34, name: kworker/3:0 [ 47.027909][ T34] preempt_count: 202, expected: 0 [ 47.027910][ T34] RCU nest depth: 0, expected: 0 [ 47.027911][ T34] INFO: lockdep is turned off. [ 47.027912][ T34] irq event stamp: 14814 [ 47.027913][ T34] hardirqs last enabled at (14813): [] _raw_spin_unlock_irq+0x28/0x50 [ 47.027921][ T34] hardirqs last disabled at (14814): [] __schedule+0x1246/0x20e0 [ 47.027924][ T34] softirqs last enabled at (14624): [] handle_softirqs+0x67c/0x900 [ 47.027928][ T34] softirqs last disabled at (14585): [] do_softirq+0xac/0xe0 [ 47.027930][ T34] Preemption disabled at: [ 47.027931][ T34] [<0000000000000000>] 0x0 [ 47.027938][ T34] CPU: 3 UID: 0 PID: 34 Comm: kworker/3:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 47.027941][ T34] Tainted: [W]=WARN [ 47.027942][ T34] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.027944][ T34] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.027951][ T34] Call Trace: [ 47.027953][ T34] [ 47.027954][ T34] dump_stack_lvl+0x6f/0xa0 [ 47.027960][ T34] __might_resched.cold+0x1fe/0x2c1 [ 47.027964][ T34] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 47.027968][ T34] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 47.027970][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.027974][ T34] __kmalloc_noprof+0x443/0x760 [ 47.027978][ T34] ? __rwlock_init+0x150/0x150 [ 47.027980][ T34] ? alloc_buf.isra.0+0x4b/0x260 [ 47.027984][ T34] ? do_raw_spin_unlock+0x59/0x250 [ 47.027986][ T34] alloc_buf.isra.0+0x4b/0x260 [ 47.027988][ T34] put_chars+0x1e1/0x2f0 [ 47.027990][ T34] ? prb_final_commit+0x50/0x50 [ 47.027991][ T34] ? __send_to_port+0x420/0x420 [ 47.027993][ T34] ? printk_get_next_message+0x240/0x650 [ 47.027996][ T34] hvc_console_print+0x292/0x780 [ 47.028000][ T34] ? hvc_write+0x3a0/0x3a0 [ 47.028002][ T34] ? do_raw_spin_lock+0x131/0x280 [ 47.028003][ T34] ? vsnprintf+0x527/0x1700 [ 47.028005][ T34] ? __rwlock_init+0x150/0x150 [ 47.028006][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028008][ T34] ? lock_acquire+0x13c/0x160 [ 47.028011][ T34] console_emit_next_record+0x22f/0x4c0 [ 47.028013][ T34] ? devkmsg_read+0x4b0/0x4b0 [ 47.028015][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028017][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028018][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028020][ T34] ? lock_acquire+0x13c/0x160 [ 47.028022][ T34] ? console_flush_one_record+0x111/0x710 [ 47.028024][ T34] console_flush_one_record+0x46f/0x710 [ 47.028026][ T34] ? console_emit_next_record+0x4c0/0x4c0 [ 47.028028][ T34] console_unlock+0xee/0x1f0 [ 47.028030][ T34] ? lock_acquire+0x13c/0x160 [ 47.028032][ T34] ? console_flush_one_record+0x710/0x710 [ 47.028033][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028035][ T34] ? lock_release+0x184/0x1f0 [ 47.028036][ T34] ? lock_acquire+0x60/0x160 [ 47.028038][ T34] ? __rcu_read_lock+0x30/0x70 [ 47.028040][ T34] ? __down_trylock_console_sem+0x5e/0xa0 [ 47.028041][ T34] ? vprintk_emit+0x320/0x3e0 [ 47.028043][ T34] vprintk_emit+0x37c/0x3e0 [ 47.028046][ T34] ? wake_up_klogd_work_func+0x90/0x90 [ 47.028048][ T34] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 47.028049][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028051][ T34] ? trace_sched_wakeup+0x9b/0x160 [ 47.028053][ T34] _printk+0xc7/0x100 [ 47.028056][ T34] ? snapshot_read.cold+0x21/0x21 [ 47.028057][ T34] ? try_to_wake_up+0x153/0x1130 [ 47.028060][ T34] ? select_fallback_rq+0x510/0x510 [ 47.028061][ T34] ? netdev_name+0x43/0x60 [ 47.028064][ T34] ? __netdev_printk+0x17f/0x1d0 [ 47.028065][ T34] netdev_info+0xe2/0x116 [ 47.028067][ T34] ? netdev_notice+0x120/0x120 [ 47.028069][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028071][ T34] ? __queue_work+0x3ab/0xd30 [ 47.028074][ T34] ? trace_irq_enable.constprop.0+0x30/0x160 [ 47.028077][ T34] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 47.028081][ T34] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 47.028083][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028085][ T34] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.028087][ T34] ovpn_peer_remove+0x394/0x640 [ovpn] [ 47.028091][ T34] ? do_raw_spin_lock+0x131/0x280 [ 47.028092][ T34] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 47.028095][ T34] ? __rwlock_init+0x150/0x150 [ 47.028097][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028098][ T34] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.028099][ T34] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 47.028101][ T34] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 47.028104][ T34] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 47.028106][ T34] ? __rwlock_init+0x150/0x150 [ 47.028108][ T34] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 47.028111][ T34] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 47.028114][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028115][ T34] ? lock_acquire+0x13c/0x160 [ 47.028117][ T34] ? rcu_is_watching+0x16/0xd0 [ 47.028119][ T34] ? process_one_work+0xdfc/0x1560 [ 47.028121][ T34] process_one_work+0xe3e/0x1560 [ 47.028123][ T34] ? __queue_delayed_work+0x470/0x470 [ 47.028126][ T34] ? __rwlock_init+0x150/0x150 [ 47.028128][ T34] worker_thread+0x4f1/0xd60 [ 47.028131][ T34] ? rescuer_thread+0x1340/0x1340 [ 47.028133][ T34] kthread+0x367/0x460 [ 47.028135][ T34] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 47.028136][ T34] ? kthread_affine_preferred+0x4c0/0x4c0 [ 47.028138][ T34] ret_from_fork+0x474/0x6b0 [ 47.028140][ T34] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 47.028142][ T34] ? __switch_to+0x5a3/0xe00 [ 47.028144][ T34] ? kthread_affine_preferred+0x4c0/0x4c0 [ 47.028146][ T34] ret_from_fork_asm+0x11/0x20 [ 47.028150][ T34] [ 47.091870][ T64] tun4: deleting peer with id 4, reason 2 [ 47.155856][ T34] tun6: deleting peer with id 6, reason 2 [ 47.155867][ T10] tun5: deleting peer with id 5, reason 2