[ 15.716971][ T327] ip (327) used greatest stack depth: 23920 bytes left [ 15.716990][ T327] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.716992][ T327] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 327, name: ip [ 15.716993][ T327] preempt_count: 2, expected: 0 [ 15.716994][ T327] RCU nest depth: 0, expected: 0 [ 15.716995][ T327] locks held by ip/327: 5, last CPU#3: [ 15.716997][ T327] #0: ffffffff9ca127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.717009][ T327] #1: ffffffff9cb79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.717015][ T327] #2: ffffffff9cb79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.717019][ T327] #3: ffffffff9ca99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.717022][ T327] #4: ffffffff9ca99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.717027][ T327] irq event stamp: 34022 [ 15.717027][ T327] hardirqs last enabled at (34021): [] __down_trylock_console_sem+0x86/0xa0 [ 15.717030][ T327] hardirqs last disabled at (34022): [] console_emit_next_record+0x3d4/0x4c0 [ 15.717031][ T327] softirqs last enabled at (32990): [] handle_softirqs+0x67c/0x900 [ 15.717034][ T327] softirqs last disabled at (32981): [] __irq_exit_rcu+0x145/0x1c0 [ 15.717036][ T327] Preemption disabled at: [ 15.717037][ T327] [<0000000000000000>] 0x0 [ 15.717044][ T327] CPU: 3 UID: 0 PID: 327 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.717047][ T327] Tainted: [W]=WARN [ 15.717048][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.717050][ T327] Call Trace: [ 15.717052][ T327] [ 15.717053][ T327] dump_stack_lvl+0x6f/0xa0 [ 15.717059][ T327] __might_resched.cold+0x1fe/0x2c1 [ 15.717064][ T327] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.717068][ T327] ? __kmalloc_noprof+0xdb/0x760 [ 15.717073][ T327] __kmalloc_noprof+0x443/0x760 [ 15.717075][ T327] ? alloc_buf.isra.0+0x4b/0x260 [ 15.717081][ T327] ? do_raw_spin_unlock+0x59/0x250 [ 15.717083][ T327] alloc_buf.isra.0+0x4b/0x260 [ 15.717086][ T327] put_chars+0x1e1/0x2f0 [ 15.717089][ T327] ? __send_to_port+0x420/0x420 [ 15.717091][ T327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.717096][ T327] ? validate_chain+0x38b/0xc20 [ 15.717101][ T327] hvc_console_print+0x292/0x780 [ 15.717107][ T327] ? hvc_write+0x3a0/0x3a0 [ 15.717110][ T327] ? rcu_is_watching+0x16/0xd0 [ 15.717112][ T327] ? lock_acquire+0x13c/0x160 [ 15.717116][ T327] console_emit_next_record+0x22f/0x4c0 [ 15.717120][ T327] ? devkmsg_read+0x4b0/0x4b0 [ 15.717121][ T327] ? console_flush_one_record+0x106/0x710 [ 15.717124][ T327] ? rcu_is_watching+0x16/0xd0 [ 15.717127][ T327] ? lock_acquire+0x13c/0x160 [ 15.717130][ T327] console_flush_one_record+0x46f/0x710 [ 15.717134][ T327] ? console_emit_next_record+0x4c0/0x4c0 [ 15.717136][ T327] ? __lock_acquire+0x518/0xc20 [ 15.717141][ T327] console_unlock+0xee/0x1f0 [ 15.717144][ T327] ? console_flush_one_record+0x710/0x710 [ 15.717146][ T327] ? rcu_is_watching+0x16/0xd0 [ 15.717148][ T327] ? lock_acquire+0x60/0x160 [ 15.717152][ T327] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.717153][ T327] ? vprintk_emit+0x320/0x3e0 [ 15.717157][ T327] vprintk_emit+0x37c/0x3e0 [ 15.717160][ T327] ? wake_up_klogd_work_func+0x90/0x90 [ 15.717164][ T327] ? __lock_acquire+0x518/0xc20 [ 15.717167][ T327] _printk+0xc7/0x100 [ 15.717171][ T327] ? snapshot_read.cold+0x21/0x21 [ 15.717173][ T327] ? do_raw_spin_lock+0x131/0x280 [ 15.717176][ T327] ? __rwlock_init+0x150/0x150 [ 15.717180][ T327] ? do_raw_spin_lock+0x131/0x280 [ 15.717182][ T327] do_exit.cold+0x82/0x9c [ 15.717186][ T327] ? exit_notify+0x890/0x890 [ 15.717187][ T327] ? __lock_release.isra.0+0x69/0x1a0 [ 15.717190][ T327] ? rcu_is_watching+0x16/0xd0 [ 15.717194][ T327] do_group_exit+0xb8/0x370 [ 15.717196][ T327] __x64_sys_exit_group+0x3c/0x50 [ 15.717198][ T327] x64_sys_call+0x1567/0x1570 [ 15.717201][ T327] do_syscall_64+0xff/0x530 [ 15.717205][ T327] ? exc_page_fault+0xee/0x100 [ 15.717207][ T327] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.717210][ T327] RIP: 0033:0x7fbc535651b8 [ 15.717212][ T327] Code: Unable to access opcode bytes at 0x7fbc5356518e. [ 15.717213][ T327] RSP: 002b:00007ffd3b20c0a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.717216][ T327] RAX: ffffffffffffffda RBX: 00007fbc53695f88 RCX: 00007fbc535651b8 [ 15.717217][ T327] RDX: 00007fbc532affc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.717218][ T327] RBP: 00007ffd3b20c100 R08: 0000000000000000 R09: 0000000000000050 [ 15.717219][ T327] R10: 00007ffd3b20bec0 R11: 0000000000000246 R12: 0000000000000001 [ 15.717219][ T327] R13: 0000000000000000 R14: 00007fbc53694680 R15: 00007fbc53695fa0 [ 15.717226][ T327] [ 22.393045][ C3] tun0: no available key for peer 2, key-id: 0 [ 22.393080][ C3] [ 22.393081][ C3] ======================================================== [ 22.393082][ C3] WARNING: possible irq lock inversion dependency detected [ 22.393084][ C3] 7.2.0-virtme #1 Tainted: G W [ 22.393086][ C3] -------------------------------------------------------- [ 22.393086][ C3] kworker/u16:1/70 just changed the state of lock: [ 22.393088][ C3] ffffffff9ca99660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.393100][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 22.393101][ C3] (fs_reclaim){+.+.}-{0:0} [ 22.393102][ C3] [ 22.393102][ C3] [ 22.393102][ C3] and interrupts could create inverse lock ordering between them. [ 22.393102][ C3] [ 22.393103][ C3] [ 22.393103][ C3] other info that might help us debug this: [ 22.393104][ C3] Possible interrupt unsafe locking scenario: [ 22.393104][ C3] [ 22.393104][ C3] CPU0 CPU1 [ 22.393105][ C3] ---- ---- [ 22.393105][ C3] lock(fs_reclaim); [ 22.393106][ C3] local_irq_disable(); [ 22.393106][ C3] lock(console_owner); [ 22.393107][ C3] lock(fs_reclaim); [ 22.393108][ C3] [ 22.393109][ C3] lock(console_owner); [ 22.393110][ C3] [ 22.393110][ C3] *** DEADLOCK *** [ 22.393110][ C3] [ 22.393110][ C3] locks held by kworker/u16:1/70: 11, last CPU#3: [ 22.393111][ C3] #0: ff11000008f31d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 22.393117][ C3] #1: ffa00000004b7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 22.393120][ C3] #2: ffffffff9d2e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 22.393125][ C3] #3: ffffffff9cb90b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 22.393129][ C3] #4: ffffffff9cb90b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 22.393132][ C3] #5: ffffffff9cb90b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 22.393137][ C3] #6: ffffffff9cb90b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 22.393141][ C3] #7: ff1100001a72b818 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 22.393146][ C3] #8: ffffffff9cb90b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 22.393152][ C3] #9: ffffffff9cb79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.393155][ C3] #10: ffffffff9cb79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.393159][ C3] [ 22.393159][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 22.393164][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 22.393166][ C3] HARDIRQ-ON-W at: [ 22.393167][ C3] __lock_acquire+0x388/0xc20 [ 22.393170][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393171][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.393174][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 22.393176][ C3] kthread_create_worker_on_node+0xea/0x210 [ 22.393179][ C3] workqueue_init+0x2a/0x680 [ 22.393183][ C3] kernel_init_freeable+0x2fe/0x630 [ 22.393185][ C3] kernel_init+0x21/0x150 [ 22.393188][ C3] ret_from_fork+0x474/0x6b0 [ 22.393191][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393194][ C3] SOFTIRQ-ON-W at: [ 22.393194][ C3] __lock_acquire+0x388/0xc20 [ 22.393196][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393197][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.393198][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 22.393199][ C3] kthread_create_worker_on_node+0xea/0x210 [ 22.393201][ C3] workqueue_init+0x2a/0x680 [ 22.393202][ C3] kernel_init_freeable+0x2fe/0x630 [ 22.393203][ C3] kernel_init+0x21/0x150 [ 22.393204][ C3] ret_from_fork+0x474/0x6b0 [ 22.393205][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393206][ C3] INITIAL USE at: [ 22.393207][ C3] __lock_acquire+0x388/0xc20 [ 22.393209][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393210][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.393211][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 22.393212][ C3] kthread_create_worker_on_node+0xea/0x210 [ 22.393214][ C3] workqueue_init+0x2a/0x680 [ 22.393215][ C3] kernel_init_freeable+0x2fe/0x630 [ 22.393216][ C3] kernel_init+0x21/0x150 [ 22.393217][ C3] ret_from_fork+0x474/0x6b0 [ 22.393218][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393220][ C3] } [ 22.393220][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 22.393224][ C3] ... acquired at: [ 22.393225][ C3] __lock_acquire+0x518/0xc20 [ 22.393226][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393227][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.393228][ C3] __kmalloc_noprof+0xd3/0x760 [ 22.393230][ C3] alloc_buf.isra.0+0x4b/0x260 [ 22.393233][ C3] put_chars+0x1e1/0x2f0 [ 22.393234][ C3] hvc_console_print+0x292/0x780 [ 22.393236][ C3] console_emit_next_record+0x22f/0x4c0 [ 22.393238][ C3] console_flush_one_record+0x46f/0x710 [ 22.393239][ C3] console_unlock+0xee/0x1f0 [ 22.393241][ C3] vprintk_emit+0x37c/0x3e0 [ 22.393243][ C3] dev_vprintk_emit+0x27f/0x2c0 [ 22.393246][ C3] dev_printk_emit+0xb9/0xee [ 22.393247][ C3] _dev_info+0xe2/0x116 [ 22.393249][ C3] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 22.393252][ C3] cmos_do_probe+0x73b/0x98a [ 22.393253][ C3] platform_probe+0xfe/0x1f0 [ 22.393255][ C3] call_driver_probe+0x61/0x1c0 [ 22.393257][ C3] really_probe+0x199/0x760 [ 22.393259][ C3] __driver_probe_device+0x24f/0x440 [ 22.393260][ C3] driver_probe_device+0x4a/0xf0 [ 22.393262][ C3] __driver_attach+0x1b8/0x540 [ 22.393263][ C3] bus_for_each_dev+0x130/0x1e0 [ 22.393265][ C3] bus_add_driver+0x2c8/0x530 [ 22.393266][ C3] driver_register+0x1a3/0x390 [ 22.393268][ C3] __platform_driver_probe+0x13f/0x270 [ 22.393269][ C3] cmos_init+0x31/0x40 [ 22.393271][ C3] do_one_initcall+0x124/0x4f0 [ 22.393273][ C3] kernel_init_freeable+0x596/0x630 [ 22.393275][ C3] kernel_init+0x21/0x150 [ 22.393276][ C3] ret_from_fork+0x474/0x6b0 [ 22.393277][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393278][ C3] [ 22.393279][ C3] -> (console_owner){..-.}-{0:0} { [ 22.393280][ C3] IN-SOFTIRQ-W at: [ 22.393281][ C3] __lock_acquire+0x388/0xc20 [ 22.393282][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393284][ C3] console_lock_spinning_enable+0x5c/0x60 [ 22.393285][ C3] console_emit_next_record+0x1d1/0x4c0 [ 22.393287][ C3] console_flush_one_record+0x46f/0x710 [ 22.393288][ C3] console_unlock+0xee/0x1f0 [ 22.393290][ C3] vprintk_emit+0x37c/0x3e0 [ 22.393291][ C3] _printk+0xc7/0x100 [ 22.393294][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.393297][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.393299][ C3] __strp_recv+0x20f/0x1c20 [ 22.393302][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.393305][ C3] strp_read_sock+0x20f/0x2b0 [ 22.393307][ C3] strp_data_ready+0x18e/0x2c0 [ 22.393308][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.393310][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.393312][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.393314][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.393315][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.393317][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.393318][ C3] ip_local_deliver+0x184/0x4c0 [ 22.393319][ C3] ip_rcv+0xdc/0x3d0 [ 22.393321][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.393322][ C3] process_backlog+0x431/0x14c0 [ 22.393324][ C3] __napi_poll+0xa7/0x3b0 [ 22.393326][ C3] net_rx_action+0x513/0xf50 [ 22.393327][ C3] handle_softirqs+0x1d3/0x900 [ 22.393329][ C3] do_softirq+0xac/0xe0 [ 22.393330][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.393332][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.393333][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.393335][ C3] ip6_finish_output+0x646/0xda0 [ 22.393336][ C3] ip6_output+0x23f/0x7f0 [ 22.393337][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.393339][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.393340][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.393342][ C3] addrconf_dad_work+0x170/0x930 [ 22.393344][ C3] process_one_work+0xe3e/0x1560 [ 22.393345][ C3] worker_thread+0x4f1/0xd60 [ 22.393347][ C3] kthread+0x367/0x460 [ 22.393348][ C3] ret_from_fork+0x474/0x6b0 [ 22.393349][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393350][ C3] INITIAL USE at: [ 22.393351][ C3] } [ 22.393352][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 22.393355][ C3] ... acquired at: [ 22.393356][ C3] mark_lock+0x1d7/0xa00 [ 22.393357][ C3] mark_usage+0x42/0x170 [ 22.393358][ C3] __lock_acquire+0x388/0xc20 [ 22.393360][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393361][ C3] console_lock_spinning_enable+0x5c/0x60 [ 22.393362][ C3] console_emit_next_record+0x1d1/0x4c0 [ 22.393364][ C3] console_flush_one_record+0x46f/0x710 [ 22.393365][ C3] console_unlock+0xee/0x1f0 [ 22.393367][ C3] vprintk_emit+0x37c/0x3e0 [ 22.393368][ C3] _printk+0xc7/0x100 [ 22.393370][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.393372][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.393374][ C3] __strp_recv+0x20f/0x1c20 [ 22.393376][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.393377][ C3] strp_read_sock+0x20f/0x2b0 [ 22.393378][ C3] strp_data_ready+0x18e/0x2c0 [ 22.393380][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.393382][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.393384][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.393391][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.393394][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.393395][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.393397][ C3] ip_local_deliver+0x184/0x4c0 [ 22.393398][ C3] ip_rcv+0xdc/0x3d0 [ 22.393399][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.393401][ C3] process_backlog+0x431/0x14c0 [ 22.393402][ C3] __napi_poll+0xa7/0x3b0 [ 22.393404][ C3] net_rx_action+0x513/0xf50 [ 22.393405][ C3] handle_softirqs+0x1d3/0x900 [ 22.393407][ C3] do_softirq+0xac/0xe0 [ 22.393408][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.393409][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.393410][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.393412][ C3] ip6_finish_output+0x646/0xda0 [ 22.393413][ C3] ip6_output+0x23f/0x7f0 [ 22.393414][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.393415][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.393417][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.393418][ C3] addrconf_dad_work+0x170/0x930 [ 22.393420][ C3] process_one_work+0xe3e/0x1560 [ 22.393421][ C3] worker_thread+0x4f1/0xd60 [ 22.393423][ C3] kthread+0x367/0x460 [ 22.393424][ C3] ret_from_fork+0x474/0x6b0 [ 22.393425][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393426][ C3] [ 22.393427][ C3] [ 22.393427][ C3] stack backtrace: [ 22.393429][ C3] CPU: 3 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.393432][ C3] Tainted: [W]=WARN [ 22.393433][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.393435][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.393438][ C3] Call Trace: [ 22.393439][ C3] [ 22.393441][ C3] dump_stack_lvl+0x6f/0xa0 [ 22.393444][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 22.393447][ C3] mark_lock_irq+0x989/0x9c0 [ 22.393449][ C3] mark_lock+0x1d7/0xa00 [ 22.393451][ C3] mark_usage+0x42/0x170 [ 22.393453][ C3] __lock_acquire+0x388/0xc20 [ 22.393455][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.393457][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 22.393459][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393462][ C3] ? lock_acquire+0x13c/0x160 [ 22.393464][ C3] console_lock_spinning_enable+0x5c/0x60 [ 22.393466][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 22.393467][ C3] console_emit_next_record+0x1d1/0x4c0 [ 22.393469][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 22.393471][ C3] ? console_flush_one_record+0x106/0x710 [ 22.393473][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393475][ C3] ? lock_acquire+0x13c/0x160 [ 22.393477][ C3] console_flush_one_record+0x46f/0x710 [ 22.393479][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 22.393481][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393483][ C3] console_unlock+0xee/0x1f0 [ 22.393485][ C3] ? console_flush_one_record+0x710/0x710 [ 22.393486][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393488][ C3] ? lock_acquire+0x60/0x160 [ 22.393490][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.393491][ C3] ? vprintk_emit+0x320/0x3e0 [ 22.393493][ C3] vprintk_emit+0x37c/0x3e0 [ 22.393495][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 22.393497][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393500][ C3] _printk+0xc7/0x100 [ 22.393501][ C3] ? snapshot_read.cold+0x21/0x21 [ 22.393503][ C3] ? ___ratelimit+0x4e7/0xa00 [ 22.393506][ C3] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.393509][ C3] ? idr_get_free+0x830/0x830 [ 22.393512][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.393515][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.393518][ C3] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.393520][ C3] ? __copy_skb_header+0xb7/0x510 [ 22.393523][ C3] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.393526][ C3] ? sock_queue_err_skb+0xb0/0x680 [ 22.393528][ C3] __strp_recv+0x20f/0x1c20 [ 22.393531][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.393532][ C3] ? strp_process+0xb0/0xb0 [ 22.393534][ C3] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.393536][ C3] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.393537][ C3] ? mark_usage+0x61/0x170 [ 22.393539][ C3] strp_read_sock+0x20f/0x2b0 [ 22.393541][ C3] ? strp_stop+0x50/0x50 [ 22.393544][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393545][ C3] ? lock_acquire+0x13c/0x160 [ 22.393547][ C3] strp_data_ready+0x18e/0x2c0 [ 22.393549][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.393552][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.393555][ C3] ? __tcp_check_space+0x600/0x600 [ 22.393556][ C3] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.393558][ C3] ? do_raw_spin_lock+0x131/0x280 [ 22.393560][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.393562][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.393565][ C3] ? mark_usage+0x61/0x170 [ 22.393566][ C3] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.393568][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393570][ C3] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.393572][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.393574][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.393576][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.393577][ C3] ip_local_deliver+0x184/0x4c0 [ 22.393579][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 22.393581][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.393583][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.393585][ C3] ip_rcv+0xdc/0x3d0 [ 22.393587][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 22.393588][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393590][ C3] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 22.393593][ C3] ? mark_usage+0x61/0x170 [ 22.393594][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393595][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.393598][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.393600][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393601][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.393603][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.393605][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393608][ C3] process_backlog+0x431/0x14c0 [ 22.393610][ C3] __napi_poll+0xa7/0x3b0 [ 22.393612][ C3] net_rx_action+0x513/0xf50 [ 22.393615][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393617][ C3] ? __napi_poll+0x3b0/0x3b0 [ 22.393620][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.393624][ C3] ? mark_held_locks+0x40/0x70 [ 22.393627][ C3] handle_softirqs+0x1d3/0x900 [ 22.393630][ C3] ? _local_bh_enable+0xc0/0xc0 [ 22.393632][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 22.393634][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393636][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 22.393639][ C3] do_softirq+0xac/0xe0 [ 22.393641][ C3] [ 22.393642][ C3] [ 22.393642][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.393644][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.393646][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393647][ C3] ? do_ipv6_getsockopt+0x1a30/0x2e80 [ 22.393649][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.393651][ C3] ? find_held_lock+0x2b/0x80 [ 22.393652][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393654][ C3] ? __rwlock_init+0x150/0x150 [ 22.393656][ C3] ? mark_held_locks+0x40/0x70 [ 22.393657][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 22.393659][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.393660][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.393661][ C3] ? ___neigh_create+0x811/0x1070 [ 22.393664][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.393667][ C3] ? ip6_dst_lookup+0x80/0x80 [ 22.393668][ C3] ? find_held_lock+0x2b/0x80 [ 22.393670][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393671][ C3] ? ip6_mtu+0x15d/0x310 [ 22.393674][ C3] ip6_finish_output+0x646/0xda0 [ 22.393675][ C3] ip6_output+0x23f/0x7f0 [ 22.393677][ C3] ? ip6_finish_output+0xda0/0xda0 [ 22.393679][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393680][ C3] ? find_held_lock+0x2b/0x80 [ 22.393682][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393683][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.393685][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.393687][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 22.393689][ C3] ? ndisc_alloc_skb+0x2da/0x490 [ 22.393691][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.393693][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.393695][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393696][ C3] ? addrconf_rs_timer+0x770/0x770 [ 22.393698][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393700][ C3] ? __rwlock_init+0x150/0x150 [ 22.393701][ C3] ? mark_held_locks+0x40/0x70 [ 22.393703][ C3] ? addrconf_dad_begin+0x2e1/0x540 [ 22.393705][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.393706][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393708][ C3] ? addrconf_dad_completed+0xe10/0xe10 [ 22.393710][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393711][ C3] ? __rwlock_init+0x150/0x150 [ 22.393713][ C3] ? mark_held_locks+0x40/0x70 [ 22.393715][ C3] addrconf_dad_work+0x170/0x930 [ 22.393717][ C3] ? addrconf_dad_begin+0x540/0x540 [ 22.393719][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393721][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393723][ C3] ? lock_acquire+0x13c/0x160 [ 22.393724][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393726][ C3] process_one_work+0xe3e/0x1560 [ 22.393729][ C3] ? __queue_delayed_work+0x470/0x470 [ 22.393731][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393734][ C3] worker_thread+0x4f1/0xd60 [ 22.393736][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.393737][ C3] ? __kthread_parkme+0xbd/0x210 [ 22.393739][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.393741][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.393742][ C3] kthread+0x367/0x460 [ 22.393744][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.393746][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.393748][ C3] ret_from_fork+0x474/0x6b0 [ 22.393749][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.393751][ C3] ? __switch_to+0x5a3/0xe00 [ 22.393754][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.393756][ C3] ret_from_fork_asm+0x11/0x20 [ 22.393758][ C3] [ 22.393762][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.393764][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 70, name: kworker/u16:1 [ 22.393765][ C3] preempt_count: 103, expected: 0 [ 22.393766][ C3] RCU nest depth: 5, expected: 0 [ 22.393766][ C3] INFO: lockdep is turned off. [ 22.393767][ C3] irq event stamp: 26535 [ 22.393767][ C3] hardirqs last enabled at (26534): [] __down_trylock_console_sem+0x86/0xa0 [ 22.393770][ C3] hardirqs last disabled at (26535): [] console_emit_next_record+0x3d4/0x4c0 [ 22.393772][ C3] softirqs last enabled at (26420): [] __dev_queue_xmit+0x964/0x1b80 [ 22.393773][ C3] softirqs last disabled at (26421): [] do_softirq+0xac/0xe0 [ 22.393775][ C3] Preemption disabled at: [ 22.393775][ C3] [] __dev_queue_xmit+0x204/0x1b80 [ 22.393778][ C3] CPU: 3 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.393780][ C3] Tainted: [W]=WARN [ 22.393780][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.393781][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.393783][ C3] Call Trace: [ 22.393784][ C3] [ 22.393784][ C3] dump_stack_lvl+0x6f/0xa0 [ 22.393787][ C3] ? __dev_queue_xmit+0x204/0x1b80 [ 22.393788][ C3] __might_resched.cold+0x1fe/0x2c1 [ 22.393791][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.393794][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393796][ C3] __kmalloc_noprof+0x443/0x760 [ 22.393798][ C3] ? __rwlock_init+0x150/0x150 [ 22.393799][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 22.393801][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 22.393803][ C3] alloc_buf.isra.0+0x4b/0x260 [ 22.393805][ C3] put_chars+0x1e1/0x2f0 [ 22.393807][ C3] ? __send_to_port+0x420/0x420 [ 22.393809][ C3] hvc_console_print+0x292/0x780 [ 22.393811][ C3] ? __lock_acquire+0x388/0xc20 [ 22.393813][ C3] ? hvc_write+0x3a0/0x3a0 [ 22.393815][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393817][ C3] ? lock_acquire+0x13c/0x160 [ 22.393819][ C3] console_emit_next_record+0x22f/0x4c0 [ 22.393821][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 22.393823][ C3] ? console_flush_one_record+0x106/0x710 [ 22.393824][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393826][ C3] ? lock_acquire+0x13c/0x160 [ 22.393828][ C3] console_flush_one_record+0x46f/0x710 [ 22.393830][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 22.393832][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393834][ C3] console_unlock+0xee/0x1f0 [ 22.393836][ C3] ? console_flush_one_record+0x710/0x710 [ 22.393838][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393839][ C3] ? lock_acquire+0x60/0x160 [ 22.393841][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.393843][ C3] ? vprintk_emit+0x320/0x3e0 [ 22.393844][ C3] vprintk_emit+0x37c/0x3e0 [ 22.393847][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 22.393848][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393851][ C3] _printk+0xc7/0x100 [ 22.393852][ C3] ? snapshot_read.cold+0x21/0x21 [ 22.393854][ C3] ? ___ratelimit+0x4e7/0xa00 [ 22.393856][ C3] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.393858][ C3] ? idr_get_free+0x830/0x830 [ 22.393860][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.393863][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.393866][ C3] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.393868][ C3] ? __copy_skb_header+0xb7/0x510 [ 22.393870][ C3] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.393872][ C3] ? sock_queue_err_skb+0xb0/0x680 [ 22.393874][ C3] __strp_recv+0x20f/0x1c20 [ 22.393877][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.393879][ C3] ? strp_process+0xb0/0xb0 [ 22.393881][ C3] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.393882][ C3] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.393884][ C3] ? mark_usage+0x61/0x170 [ 22.393886][ C3] strp_read_sock+0x20f/0x2b0 [ 22.393888][ C3] ? strp_stop+0x50/0x50 [ 22.393890][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393892][ C3] ? lock_acquire+0x13c/0x160 [ 22.393893][ C3] strp_data_ready+0x18e/0x2c0 [ 22.393895][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.393898][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.393901][ C3] ? __tcp_check_space+0x600/0x600 [ 22.393903][ C3] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.393904][ C3] ? do_raw_spin_lock+0x131/0x280 [ 22.393906][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.393908][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.393911][ C3] ? mark_usage+0x61/0x170 [ 22.393912][ C3] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.393914][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393916][ C3] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.393918][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.393920][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.393921][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.393923][ C3] ip_local_deliver+0x184/0x4c0 [ 22.393925][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 22.393926][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.393929][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.393931][ C3] ip_rcv+0xdc/0x3d0 [ 22.393932][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 22.393934][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393935][ C3] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 22.393937][ C3] ? mark_usage+0x61/0x170 [ 22.393939][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393940][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.393942][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.393944][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.393945][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.393947][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.393949][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393951][ C3] process_backlog+0x431/0x14c0 [ 22.393954][ C3] __napi_poll+0xa7/0x3b0 [ 22.393956][ C3] net_rx_action+0x513/0xf50 [ 22.393959][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393960][ C3] ? __napi_poll+0x3b0/0x3b0 [ 22.393964][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.393965][ C3] ? mark_held_locks+0x40/0x70 [ 22.393967][ C3] handle_softirqs+0x1d3/0x900 [ 22.393969][ C3] ? _local_bh_enable+0xc0/0xc0 [ 22.393970][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 22.393972][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.393974][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 22.393976][ C3] do_softirq+0xac/0xe0 [ 22.393977][ C3] [ 22.393977][ C3] [ 22.393978][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.393980][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.393982][ C3] ? __lock_acquire+0x518/0xc20 [ 22.393983][ C3] ? do_ipv6_getsockopt+0x1a30/0x2e80 [ 22.393985][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.393987][ C3] ? find_held_lock+0x2b/0x80 [ 22.393988][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.393989][ C3] ? __rwlock_init+0x150/0x150 [ 22.393991][ C3] ? mark_held_locks+0x40/0x70 [ 22.393993][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 22.393994][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.393995][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.393996][ C3] ? ___neigh_create+0x811/0x1070 [ 22.393999][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.394001][ C3] ? ip6_dst_lookup+0x80/0x80 [ 22.394002][ C3] ? find_held_lock+0x2b/0x80 [ 22.394004][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.394005][ C3] ? ip6_mtu+0x15d/0x310 [ 22.394007][ C3] ip6_finish_output+0x646/0xda0 [ 22.394009][ C3] ip6_output+0x23f/0x7f0 [ 22.394011][ C3] ? ip6_finish_output+0xda0/0xda0 [ 22.394013][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.394014][ C3] ? find_held_lock+0x2b/0x80 [ 22.394015][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.394017][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.394019][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.394020][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 22.394023][ C3] ? ndisc_alloc_skb+0x2da/0x490 [ 22.394024][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.394026][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.394028][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.394029][ C3] ? addrconf_rs_timer+0x770/0x770 [ 22.394031][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.394033][ C3] ? __rwlock_init+0x150/0x150 [ 22.394034][ C3] ? mark_held_locks+0x40/0x70 [ 22.394036][ C3] ? addrconf_dad_begin+0x2e1/0x540 [ 22.394038][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.394039][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.394041][ C3] ? addrconf_dad_completed+0xe10/0xe10 [ 22.394043][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.394044][ C3] ? __rwlock_init+0x150/0x150 [ 22.394046][ C3] ? mark_held_locks+0x40/0x70 [ 22.394048][ C3] addrconf_dad_work+0x170/0x930 [ 22.394050][ C3] ? addrconf_dad_begin+0x540/0x540 [ 22.394052][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.394054][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.394055][ C3] ? lock_acquire+0x13c/0x160 [ 22.394057][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.394059][ C3] process_one_work+0xe3e/0x1560 [ 22.394061][ C3] ? __queue_delayed_work+0x470/0x470 [ 22.394063][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.394066][ C3] worker_thread+0x4f1/0xd60 [ 22.394068][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.394070][ C3] ? __kthread_parkme+0xbd/0x210 [ 22.394071][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.394073][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.394074][ C3] kthread+0x367/0x460 [ 22.394076][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.394077][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.394079][ C3] ret_from_fork+0x474/0x6b0 [ 22.394080][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.394082][ C3] ? __switch_to+0x5a3/0xe00 [ 22.394083][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.394085][ C3] ret_from_fork_asm+0x11/0x20 [ 22.394088][ C3] [ 22.681536][ T12] tun0: no available key for peer 6, key-id: 0 [ 31.216050][ T611] iperf3 (611) used greatest stack depth: 23128 bytes left [ 31.216068][ T611] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.216071][ T611] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 611, name: iperf3 [ 31.216072][ T611] preempt_count: 2, expected: 0 [ 31.216073][ T611] RCU nest depth: 0, expected: 0 [ 31.216074][ T611] INFO: lockdep is turned off. [ 31.216075][ T611] irq event stamp: 0 [ 31.216076][ T611] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.216081][ T611] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 31.216087][ T611] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 31.216089][ T611] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.216090][ T611] Preemption disabled at: [ 31.216091][ T611] [<0000000000000000>] 0x0 [ 31.216096][ T611] CPU: 3 UID: 0 PID: 611 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.216099][ T611] Tainted: [W]=WARN [ 31.216100][ T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.216102][ T611] Call Trace: [ 31.216103][ T611] [ 31.216104][ T611] dump_stack_lvl+0x6f/0xa0 [ 31.216110][ T611] __might_resched.cold+0x1fe/0x2c1 [ 31.216114][ T611] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.216117][ T611] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 31.216119][ T611] ? rcu_is_watching+0x16/0xd0 [ 31.216123][ T611] __kmalloc_noprof+0x443/0x760 [ 31.216126][ T611] ? __rwlock_init+0x150/0x150 [ 31.216129][ T611] ? alloc_buf.isra.0+0x4b/0x260 [ 31.216132][ T611] ? do_raw_spin_unlock+0x59/0x250 [ 31.216134][ T611] alloc_buf.isra.0+0x4b/0x260 [ 31.216136][ T611] put_chars+0x1e1/0x2f0 [ 31.216138][ T611] ? prb_final_commit+0x50/0x50 [ 31.216139][ T611] ? __send_to_port+0x420/0x420 [ 31.216141][ T611] ? printk_get_next_message+0x240/0x650 [ 31.216144][ T611] hvc_console_print+0x292/0x780 [ 31.216147][ T611] ? hvc_write+0x3a0/0x3a0 [ 31.216149][ T611] ? do_raw_spin_lock+0x131/0x280 [ 31.216150][ T611] ? vsnprintf+0x668/0x1700 [ 31.216153][ T611] ? __rwlock_init+0x150/0x150 [ 31.216154][ T611] ? rcu_is_watching+0x16/0xd0 [ 31.216156][ T611] ? lock_acquire+0x13c/0x160 [ 31.216158][ T611] console_emit_next_record+0x22f/0x4c0 [ 31.216161][ T611] ? devkmsg_read+0x4b0/0x4b0 [ 31.216163][ T611] ? rcu_is_watching+0x16/0xd0 [ 31.216164][ T611] ? rcu_is_watching+0x16/0xd0 [ 31.216166][ T611] ? rcu_is_watching+0x16/0xd0 [ 31.216167][ T611] ? lock_acquire+0x13c/0x160 [ 31.216169][ T611] ? console_flush_one_record+0x111/0x710 [ 31.216171][ T611] console_flush_one_record+0x46f/0x710 [ 31.216173][ T611] ? console_emit_next_record+0x4c0/0x4c0 [ 31.216176][ T611] console_unlock+0xee/0x1f0 [ 31.216177][ T611] ? lock_acquire+0x13c/0x160 [ 31.216179][ T611] ? console_flush_one_record+0x710/0x710 [ 31.216180][ T611] ? rcu_is_watching+0x16/0xd0 [ 31.216182][ T611] ? lock_release+0x184/0x1f0 [ 31.216183][ T611] ? lock_acquire+0x60/0x160 [ 31.216185][ T611] ? __rcu_read_lock+0x30/0x70 [ 31.216187][ T611] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.216189][ T611] ? vprintk_emit+0x320/0x3e0 [ 31.216190][ T611] vprintk_emit+0x37c/0x3e0 [ 31.216193][ T611] ? wake_up_klogd_work_func+0x90/0x90 [ 31.216195][ T611] _printk+0xc7/0x100 [ 31.216198][ T611] ? snapshot_read.cold+0x21/0x21 [ 31.216199][ T611] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.216202][ T611] ? do_raw_spin_lock+0x131/0x280 [ 31.216204][ T611] ? __rwlock_init+0x150/0x150 [ 31.216206][ T611] ? do_raw_spin_lock+0x131/0x280 [ 31.216207][ T611] do_exit.cold+0x82/0x9c [ 31.216210][ T611] ? exit_notify+0x890/0x890 [ 31.216213][ T611] __x64_sys_exit+0x42/0x50 [ 31.216214][ T611] x64_sys_call+0x156c/0x1570 [ 31.216217][ T611] do_syscall_64+0xff/0x530 [ 31.216219][ T611] ? exc_page_fault+0xee/0x100 [ 31.216221][ T611] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.216223][ T611] RIP: 0033:0x7f9350e7ac49 [ 31.216225][ T611] Code: Unable to access opcode bytes at 0x7f9350e7ac1f. [ 31.216226][ T611] RSP: 002b:00007f9350639e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.216229][ T611] RAX: ffffffffffffffda RBX: 00007f935063a6c0 RCX: 00007f9350e7ac49 [ 31.216231][ T611] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.216232][ T611] RBP: 00007f9350639f70 R08: 0000000000000001 R09: 00007f935063a6c0 [ 31.216233][ T611] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f934fe3a000 [ 31.216233][ T611] R13: 00007ffe0235a280 R14: 0000000000000002 R15: 00007ffe0235a387 [ 31.216235][ T611] [ 32.449400][ T705] tun0: deleting peer with id 1, reason 1 [ 32.449416][ T705] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.449418][ T705] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 705, name: ovpn-cli [ 32.449420][ T705] preempt_count: 202, expected: 0 [ 32.449421][ T705] RCU nest depth: 0, expected: 0 [ 32.449422][ T705] INFO: lockdep is turned off. [ 32.449423][ T705] irq event stamp: 0 [ 32.449423][ T705] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.449427][ T705] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.449439][ T705] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.449440][ T705] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.449442][ T705] Preemption disabled at: [ 32.449442][ T705] [<0000000000000000>] 0x0 [ 32.449447][ T705] CPU: 0 UID: 0 PID: 705 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.449451][ T705] Tainted: [W]=WARN [ 32.449452][ T705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.449454][ T705] Call Trace: [ 32.449455][ T705] [ 32.449456][ T705] dump_stack_lvl+0x6f/0xa0 [ 32.449462][ T705] __might_resched.cold+0x1fe/0x2c1 [ 32.449465][ T705] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.449469][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449473][ T705] __kmalloc_noprof+0x443/0x760 [ 32.449476][ T705] ? __rwlock_init+0x150/0x150 [ 32.449479][ T705] ? alloc_buf.isra.0+0x4b/0x260 [ 32.449483][ T705] ? do_raw_spin_unlock+0x59/0x250 [ 32.449484][ T705] alloc_buf.isra.0+0x4b/0x260 [ 32.449486][ T705] put_chars+0x1e1/0x2f0 [ 32.449488][ T705] ? __send_to_port+0x420/0x420 [ 32.449490][ T705] ? printk_get_next_message+0x240/0x650 [ 32.449493][ T705] hvc_console_print+0x292/0x780 [ 32.449497][ T705] ? hvc_write+0x3a0/0x3a0 [ 32.449498][ T705] ? __rwlock_init+0x150/0x150 [ 32.449500][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449502][ T705] ? lock_acquire+0x13c/0x160 [ 32.449504][ T705] console_emit_next_record+0x22f/0x4c0 [ 32.449506][ T705] ? devkmsg_read+0x4b0/0x4b0 [ 32.449508][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449510][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449511][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449513][ T705] ? lock_acquire+0x13c/0x160 [ 32.449515][ T705] ? console_flush_one_record+0x111/0x710 [ 32.449516][ T705] console_flush_one_record+0x46f/0x710 [ 32.449518][ T705] ? console_emit_next_record+0x4c0/0x4c0 [ 32.449521][ T705] console_unlock+0xee/0x1f0 [ 32.449523][ T705] ? lock_acquire+0x13c/0x160 [ 32.449524][ T705] ? console_flush_one_record+0x710/0x710 [ 32.449526][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449527][ T705] ? lock_release+0x184/0x1f0 [ 32.449529][ T705] ? lock_acquire+0x60/0x160 [ 32.449530][ T705] ? __rcu_read_lock+0x30/0x70 [ 32.449532][ T705] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.449534][ T705] ? vprintk_emit+0x320/0x3e0 [ 32.449536][ T705] vprintk_emit+0x37c/0x3e0 [ 32.449538][ T705] ? wake_up_klogd_work_func+0x90/0x90 [ 32.449539][ T705] ? kernel_text_address+0x149/0x170 [ 32.449541][ T705] ? __kernel_text_address+0x12/0x30 [ 32.449543][ T705] ? write_profile+0xf0/0xf0 [ 32.449545][ T705] ? unwind_get_return_address+0x67/0xd0 [ 32.449548][ T705] _printk+0xc7/0x100 [ 32.449550][ T705] ? snapshot_read.cold+0x21/0x21 [ 32.449552][ T705] ? netdev_name+0x43/0x60 [ 32.449555][ T705] ? __netdev_printk+0x17f/0x1d0 [ 32.449556][ T705] netdev_info+0xe2/0x116 [ 32.449558][ T705] ? netdev_notice+0x120/0x120 [ 32.449559][ T705] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 32.449565][ T705] ? __module_address+0x36/0x330 [ 32.449568][ T705] ? lock_acquire+0x13c/0x160 [ 32.449569][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449571][ T705] ? lock_release+0x184/0x1f0 [ 32.449573][ T705] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 32.449576][ T705] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 32.449580][ T705] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 32.449583][ T705] ? lock_acquire+0x13c/0x160 [ 32.449584][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449586][ T705] ? lock_release+0x184/0x1f0 [ 32.449588][ T705] ovpn_peer_remove+0x394/0x640 [ovpn] [ 32.449591][ T705] ? do_raw_spin_lock+0x131/0x280 [ 32.449593][ T705] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 32.449596][ T705] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 32.449599][ T705] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 32.449602][ T705] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 32.449604][ T705] ? trace_hardirqs_on+0x36/0x40 [ 32.449607][ T705] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.449609][ T705] ? ref_tracker_alloc+0x28d/0x430 [ 32.449614][ T705] ? lock_release+0x184/0x1f0 [ 32.449616][ T705] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 32.449619][ T705] genl_family_rcv_msg_doit+0x206/0x300 [ 32.449623][ T705] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 32.449625][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449627][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449629][ T705] ? cap_capable+0x1d7/0x3d0 [ 32.449632][ T705] ? write_profile+0xf0/0xf0 [ 32.449633][ T705] ? unwind_get_return_address+0x67/0xd0 [ 32.449635][ T705] genl_family_rcv_msg+0x3a4/0x640 [ 32.449637][ T705] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 32.449639][ T705] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 32.449642][ T705] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.449644][ T705] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 32.449646][ T705] ? filter_irq_stacks+0xd0/0xd0 [ 32.449648][ T705] ? stack_depot_save_flags+0x1bc/0x790 [ 32.449650][ T705] genl_rcv_msg+0xbb/0x160 [ 32.449652][ T705] netlink_rcv_skb+0x14e/0x3a0 [ 32.449654][ T705] ? genl_family_rcv_msg+0x640/0x640 [ 32.449656][ T705] ? netlink_ack+0xcf0/0xcf0 [ 32.449658][ T705] ? lock_acquire+0x13c/0x160 [ 32.449660][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449662][ T705] ? lock_release+0x184/0x1f0 [ 32.449663][ T705] genl_rcv+0x28/0x40 [ 32.449665][ T705] netlink_unicast+0x486/0x750 [ 32.449667][ T705] ? netlink_attachskb+0x810/0x810 [ 32.449669][ T705] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.449670][ T705] ? trace_hardirqs_on+0x36/0x40 [ 32.449671][ T705] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 32.449675][ T705] netlink_sendmsg+0x735/0xc60 [ 32.449677][ T705] ? netlink_unicast+0x750/0x750 [ 32.449679][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449681][ T705] ? lock_release+0x184/0x1f0 [ 32.449683][ T705] ____sys_sendmsg+0x415/0x880 [ 32.449686][ T705] ? copy_msghdr_from_user+0x279/0x420 [ 32.449688][ T705] ? get_timestamp.constprop.0+0x390/0x390 [ 32.449689][ T705] ? move_addr_to_kernel+0x40/0x40 [ 32.449692][ T705] ___sys_sendmsg+0x14e/0x1d0 [ 32.449694][ T705] ? copy_msghdr_from_user+0x420/0x420 [ 32.449695][ T705] ? kfree+0x22/0x590 [ 32.449700][ T705] __sys_sendmsg+0x12c/0x1d0 [ 32.449702][ T705] ? __sys_sendmsg_sock+0x20/0x20 [ 32.449704][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449706][ T705] ? rcu_is_watching+0x16/0xd0 [ 32.449708][ T705] do_syscall_64+0xff/0x530 [ 32.449711][ T705] ? exc_page_fault+0xee/0x100 [ 32.449712][ T705] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.449715][ T705] RIP: 0033:0x7f9c9361754e [ 32.449716][ T705] 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 [ 32.449718][ T705] RSP: 002b:00007ffe01ffa620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.449722][ T705] RAX: ffffffffffffffda RBX: 00000000032f3130 RCX: 00007f9c9361754e [ 32.449723][ T705] RDX: 0000000000000000 RSI: 00007ffe01ffa6c0 RDI: 0000000000000005 [ 32.449724][ T705] RBP: 00007ffe01ffa630 R08: 0000000000000000 R09: 0000000000000000 [ 32.449725][ T705] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000032f3200 [ 32.449725][ T705] R13: 00007ffe01ffa6c0 R14: 00000000032f4260 R15: 000000000040bda8 [ 32.449728][ T705] [ 32.528749][ T709] tun1: deleting peer with id 1, reason 1 [ 35.091962][ T757] tun0: deleting peer with id 2, reason 1 [ 35.091979][ T757] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.091981][ T757] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 757, name: ovpn-cli [ 35.091982][ T757] preempt_count: 202, expected: 0 [ 35.091983][ T757] RCU nest depth: 0, expected: 0 [ 35.091984][ T757] INFO: lockdep is turned off. [ 35.091985][ T757] irq event stamp: 0 [ 35.091986][ T757] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.091990][ T757] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 35.091996][ T757] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 35.091998][ T757] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.091999][ T757] Preemption disabled at: [ 35.092000][ T757] [<0000000000000000>] 0x0 [ 35.092005][ T757] CPU: 3 UID: 0 PID: 757 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.092008][ T757] Tainted: [W]=WARN [ 35.092010][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.092011][ T757] Call Trace: [ 35.092013][ T757] [ 35.092014][ T757] dump_stack_lvl+0x6f/0xa0 [ 35.092019][ T757] __might_resched.cold+0x1fe/0x2c1 [ 35.092023][ T757] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.092027][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092030][ T757] __kmalloc_noprof+0x443/0x760 [ 35.092034][ T757] ? __rwlock_init+0x150/0x150 [ 35.092036][ T757] ? alloc_buf.isra.0+0x4b/0x260 [ 35.092041][ T757] ? do_raw_spin_unlock+0x59/0x250 [ 35.092042][ T757] alloc_buf.isra.0+0x4b/0x260 [ 35.092044][ T757] put_chars+0x1e1/0x2f0 [ 35.092046][ T757] ? __send_to_port+0x420/0x420 [ 35.092048][ T757] ? printk_get_next_message+0x240/0x650 [ 35.092051][ T757] hvc_console_print+0x292/0x780 [ 35.092055][ T757] ? hvc_write+0x3a0/0x3a0 [ 35.092057][ T757] ? __rwlock_init+0x150/0x150 [ 35.092058][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092060][ T757] ? lock_acquire+0x13c/0x160 [ 35.092062][ T757] console_emit_next_record+0x22f/0x4c0 [ 35.092065][ T757] ? devkmsg_read+0x4b0/0x4b0 [ 35.092067][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092068][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092070][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092072][ T757] ? lock_acquire+0x13c/0x160 [ 35.092074][ T757] ? console_flush_one_record+0x111/0x710 [ 35.092075][ T757] console_flush_one_record+0x46f/0x710 [ 35.092078][ T757] ? console_emit_next_record+0x4c0/0x4c0 [ 35.092080][ T757] console_unlock+0xee/0x1f0 [ 35.092082][ T757] ? lock_acquire+0x13c/0x160 [ 35.092083][ T757] ? console_flush_one_record+0x710/0x710 [ 35.092085][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092087][ T757] ? lock_release+0x184/0x1f0 [ 35.092088][ T757] ? lock_acquire+0x60/0x160 [ 35.092090][ T757] ? __rcu_read_lock+0x30/0x70 [ 35.092092][ T757] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.092094][ T757] ? vprintk_emit+0x320/0x3e0 [ 35.092095][ T757] vprintk_emit+0x37c/0x3e0 [ 35.092098][ T757] ? wake_up_klogd_work_func+0x90/0x90 [ 35.092099][ T757] ? kernel_text_address+0x149/0x170 [ 35.092102][ T757] ? __kernel_text_address+0x12/0x30 [ 35.092103][ T757] ? write_profile+0xf0/0xf0 [ 35.092105][ T757] ? unwind_get_return_address+0x67/0xd0 [ 35.092108][ T757] _printk+0xc7/0x100 [ 35.092111][ T757] ? snapshot_read.cold+0x21/0x21 [ 35.092113][ T757] ? netdev_name+0x43/0x60 [ 35.092116][ T757] ? __netdev_printk+0x17f/0x1d0 [ 35.092117][ T757] netdev_info+0xe2/0x116 [ 35.092119][ T757] ? netdev_notice+0x120/0x120 [ 35.092120][ T757] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 35.092125][ T757] ? __module_address+0x36/0x330 [ 35.092128][ T757] ? lock_acquire+0x13c/0x160 [ 35.092130][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092131][ T757] ? lock_release+0x184/0x1f0 [ 35.092133][ T757] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 35.092136][ T757] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 35.092140][ T757] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 35.092143][ T757] ? lock_acquire+0x13c/0x160 [ 35.092144][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092146][ T757] ? lock_release+0x184/0x1f0 [ 35.092148][ T757] ovpn_peer_remove+0x394/0x640 [ovpn] [ 35.092151][ T757] ? do_raw_spin_lock+0x131/0x280 [ 35.092153][ T757] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 35.092156][ T757] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 35.092159][ T757] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 35.092162][ T757] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 35.092165][ T757] ? trace_hardirqs_on+0x36/0x40 [ 35.092168][ T757] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.092170][ T757] ? ref_tracker_alloc+0x28d/0x430 [ 35.092175][ T757] ? lock_release+0x184/0x1f0 [ 35.092177][ T757] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 35.092180][ T757] genl_family_rcv_msg_doit+0x206/0x300 [ 35.092184][ T757] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 35.092186][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092189][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092190][ T757] ? cap_capable+0x1d7/0x3d0 [ 35.092194][ T757] ? write_profile+0xf0/0xf0 [ 35.092195][ T757] ? unwind_get_return_address+0x67/0xd0 [ 35.092197][ T757] genl_family_rcv_msg+0x3a4/0x640 [ 35.092199][ T757] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 35.092201][ T757] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 35.092203][ T757] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.092206][ T757] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 35.092208][ T757] ? filter_irq_stacks+0xd0/0xd0 [ 35.092209][ T757] ? stack_depot_save_flags+0x1bc/0x790 [ 35.092212][ T757] genl_rcv_msg+0xbb/0x160 [ 35.092214][ T757] netlink_rcv_skb+0x14e/0x3a0 [ 35.092216][ T757] ? genl_family_rcv_msg+0x640/0x640 [ 35.092218][ T757] ? netlink_ack+0xcf0/0xcf0 [ 35.092221][ T757] ? lock_acquire+0x13c/0x160 [ 35.092222][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092224][ T757] ? lock_release+0x184/0x1f0 [ 35.092226][ T757] genl_rcv+0x28/0x40 [ 35.092228][ T757] netlink_unicast+0x486/0x750 [ 35.092230][ T757] ? netlink_attachskb+0x810/0x810 [ 35.092231][ T757] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.092233][ T757] ? trace_hardirqs_on+0x36/0x40 [ 35.092234][ T757] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 35.092238][ T757] netlink_sendmsg+0x735/0xc60 [ 35.092240][ T757] ? netlink_unicast+0x750/0x750 [ 35.092242][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092244][ T757] ? lock_release+0x184/0x1f0 [ 35.092246][ T757] ____sys_sendmsg+0x415/0x880 [ 35.092249][ T757] ? copy_msghdr_from_user+0x279/0x420 [ 35.092251][ T757] ? get_timestamp.constprop.0+0x390/0x390 [ 35.092252][ T757] ? move_addr_to_kernel+0x40/0x40 [ 35.092255][ T757] ___sys_sendmsg+0x14e/0x1d0 [ 35.092257][ T757] ? copy_msghdr_from_user+0x420/0x420 [ 35.092258][ T757] ? kfree+0x22/0x590 [ 35.092263][ T757] __sys_sendmsg+0x12c/0x1d0 [ 35.092265][ T757] ? __sys_sendmsg_sock+0x20/0x20 [ 35.092268][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092270][ T757] ? rcu_is_watching+0x16/0xd0 [ 35.092272][ T757] do_syscall_64+0xff/0x530 [ 35.092275][ T757] ? exc_page_fault+0xee/0x100 [ 35.092276][ T757] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.092279][ T757] RIP: 0033:0x7eff686b754e [ 35.092281][ T757] 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 [ 35.092282][ T757] RSP: 002b:00007ffc652921f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.092286][ T757] RAX: ffffffffffffffda RBX: 000000001b83a130 RCX: 00007eff686b754e [ 35.092287][ T757] RDX: 0000000000000000 RSI: 00007ffc65292290 RDI: 0000000000000005 [ 35.092288][ T757] RBP: 00007ffc65292200 R08: 0000000000000000 R09: 0000000000000000 [ 35.092289][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001b83a200 [ 35.092290][ T757] R13: 00007ffc65292290 R14: 000000001b83b260 R15: 000000000040bda8 [ 35.092292][ T757] [ 35.166455][ T761] tun2: deleting peer with id 2, reason 1 [ 40.818430][ T53] tun0: deleting peer with id 4, reason 2 [ 40.818451][ T53] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.818453][ T53] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 53, name: kworker/3:1 [ 40.818455][ T53] preempt_count: 202, expected: 0 [ 40.818456][ T53] RCU nest depth: 0, expected: 0 [ 40.818457][ T53] INFO: lockdep is turned off. [ 40.818458][ T53] irq event stamp: 22920 [ 40.818458][ T53] hardirqs last enabled at (22919): [] _raw_spin_unlock_irq+0x28/0x50 [ 40.818471][ T53] hardirqs last disabled at (22920): [] __schedule+0x1246/0x20e0 [ 40.818474][ T53] softirqs last enabled at (22628): [] process_one_work+0xe3e/0x1560 [ 40.818478][ T53] softirqs last disabled at (22624): [] neigh_managed_work+0x2d/0x220 [ 40.818482][ T53] Preemption disabled at: [ 40.818483][ T53] [<0000000000000000>] 0x0 [ 40.818490][ T53] CPU: 3 UID: 0 PID: 53 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.818494][ T53] Tainted: [W]=WARN [ 40.818494][ T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.818497][ T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.818507][ T53] Call Trace: [ 40.818508][ T53] [ 40.818510][ T53] dump_stack_lvl+0x6f/0xa0 [ 40.818516][ T53] __might_resched.cold+0x1fe/0x2c1 [ 40.818519][ T53] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.818523][ T53] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 40.818525][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818529][ T53] __kmalloc_noprof+0x443/0x760 [ 40.818533][ T53] ? __rwlock_init+0x150/0x150 [ 40.818535][ T53] ? alloc_buf.isra.0+0x4b/0x260 [ 40.818539][ T53] ? do_raw_spin_unlock+0x59/0x250 [ 40.818540][ T53] alloc_buf.isra.0+0x4b/0x260 [ 40.818542][ T53] put_chars+0x1e1/0x2f0 [ 40.818544][ T53] ? prb_final_commit+0x50/0x50 [ 40.818546][ T53] ? __send_to_port+0x420/0x420 [ 40.818547][ T53] ? printk_get_next_message+0x240/0x650 [ 40.818550][ T53] hvc_console_print+0x292/0x780 [ 40.818554][ T53] ? hvc_write+0x3a0/0x3a0 [ 40.818555][ T53] ? do_raw_spin_lock+0x131/0x280 [ 40.818557][ T53] ? vsnprintf+0x527/0x1700 [ 40.818559][ T53] ? __rwlock_init+0x150/0x150 [ 40.818560][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818562][ T53] ? lock_acquire+0x13c/0x160 [ 40.818564][ T53] console_emit_next_record+0x22f/0x4c0 [ 40.818567][ T53] ? devkmsg_read+0x4b0/0x4b0 [ 40.818569][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818570][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818572][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818573][ T53] ? lock_acquire+0x13c/0x160 [ 40.818575][ T53] ? console_flush_one_record+0x111/0x710 [ 40.818577][ T53] console_flush_one_record+0x46f/0x710 [ 40.818579][ T53] ? console_emit_next_record+0x4c0/0x4c0 [ 40.818581][ T53] console_unlock+0xee/0x1f0 [ 40.818583][ T53] ? lock_acquire+0x13c/0x160 [ 40.818584][ T53] ? console_flush_one_record+0x710/0x710 [ 40.818586][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818587][ T53] ? lock_release+0x184/0x1f0 [ 40.818589][ T53] ? lock_acquire+0x60/0x160 [ 40.818590][ T53] ? __rcu_read_lock+0x30/0x70 [ 40.818592][ T53] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.818594][ T53] ? vprintk_emit+0x320/0x3e0 [ 40.818596][ T53] vprintk_emit+0x37c/0x3e0 [ 40.818598][ T53] ? wake_up_klogd_work_func+0x90/0x90 [ 40.818600][ T53] ? arch_stack_walk+0xd7/0x130 [ 40.818603][ T53] ? queued_spin_lock_slowpath+0x103/0xa60 [ 40.818605][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818607][ T53] _printk+0xc7/0x100 [ 40.818610][ T53] ? snapshot_read.cold+0x21/0x21 [ 40.818611][ T53] ? __add_to_free_list+0x81/0x5c0 [ 40.818614][ T53] ? __mod_zone_page_state+0xe1/0x190 [ 40.818616][ T53] ? netdev_name+0x43/0x60 [ 40.818619][ T53] ? __netdev_printk+0x17f/0x1d0 [ 40.818620][ T53] netdev_info+0xe2/0x116 [ 40.818622][ T53] ? netdev_notice+0x120/0x120 [ 40.818623][ T53] ? free_pcppages_bulk+0x363/0x6e0 [ 40.818625][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818627][ T53] ? trace_irq_enable.constprop.0+0x30/0x160 [ 40.818630][ T53] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 40.818634][ T53] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 40.818636][ T53] ? __rwlock_init+0x150/0x150 [ 40.818638][ T53] ? lock_acquire+0x13c/0x160 [ 40.818639][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818641][ T53] ovpn_peer_remove+0x394/0x640 [ovpn] [ 40.818644][ T53] ? do_raw_spin_lock+0x131/0x280 [ 40.818646][ T53] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 40.818648][ T53] ? __rwlock_init+0x150/0x150 [ 40.818650][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818651][ T53] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.818652][ T53] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 40.818654][ T53] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 40.818657][ T53] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 40.818659][ T53] ? __rwlock_init+0x150/0x150 [ 40.818662][ T53] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 40.818665][ T53] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 40.818667][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818669][ T53] ? lock_acquire+0x13c/0x160 [ 40.818670][ T53] ? rcu_is_watching+0x16/0xd0 [ 40.818672][ T53] process_one_work+0xe3e/0x1560 [ 40.818675][ T53] ? __queue_delayed_work+0x470/0x470 [ 40.818677][ T53] ? find_held_lock+0x2b/0x80 [ 40.818679][ T53] ? __rwlock_init+0x150/0x150 [ 40.818681][ T53] worker_thread+0x4f1/0xd60 [ 40.818683][ T53] ? rescuer_thread+0x1340/0x1340 [ 40.818685][ T53] ? __kthread_parkme+0xbd/0x210 [ 40.818687][ T53] ? rescuer_thread+0x1340/0x1340 [ 40.818689][ T53] ? rescuer_thread+0x1340/0x1340 [ 40.818691][ T53] kthread+0x367/0x460 [ 40.818692][ T53] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.818694][ T53] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.818695][ T53] ret_from_fork+0x474/0x6b0 [ 40.818697][ T53] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 40.818699][ T53] ? __switch_to+0x5a3/0xe00 [ 40.818701][ T53] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.818703][ T53] ret_from_fork_asm+0x11/0x20 [ 40.818707][ T53] [ 40.836534][ T53] tun0: deleting peer with id 3, reason 2 [ 40.836699][ T53] tun0: deleting peer with id 5, reason 2 [ 40.840794][ T53] tun0: deleting peer with id 6, reason 2 [ 45.937460][ T10] tun3: deleting peer with id 3, reason 2 [ 45.937480][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 45.937483][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 45.937484][ T10] preempt_count: 202, expected: 0 [ 45.937485][ T10] RCU nest depth: 0, expected: 0 [ 45.937486][ T10] INFO: lockdep is turned off. [ 45.937487][ T10] irq event stamp: 11554 [ 45.937488][ T10] hardirqs last enabled at (11553): [] _raw_spin_unlock_irq+0x28/0x50 [ 45.937501][ T10] hardirqs last disabled at (11554): [] __schedule+0x1246/0x20e0 [ 45.937503][ T10] softirqs last enabled at (11462): [] process_one_work+0xe3e/0x1560 [ 45.937507][ T10] softirqs last disabled at (11458): [] neigh_managed_work+0x2d/0x220 [ 45.937511][ T10] Preemption disabled at: [ 45.937512][ T10] [<0000000000000000>] 0x0 [ 45.937519][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 45.937522][ T10] Tainted: [W]=WARN [ 45.937523][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.937525][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.937534][ T10] Call Trace: [ 45.937535][ T10] [ 45.937537][ T10] dump_stack_lvl+0x6f/0xa0 [ 45.937542][ T10] __might_resched.cold+0x1fe/0x2c1 [ 45.937546][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 45.937549][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 45.937551][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937555][ T10] __kmalloc_noprof+0x443/0x760 [ 45.937558][ T10] ? __rwlock_init+0x150/0x150 [ 45.937561][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 45.937565][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 45.937566][ T10] alloc_buf.isra.0+0x4b/0x260 [ 45.937568][ T10] put_chars+0x1e1/0x2f0 [ 45.937570][ T10] ? prb_final_commit+0x50/0x50 [ 45.937572][ T10] ? __send_to_port+0x420/0x420 [ 45.937573][ T10] ? printk_get_next_message+0x240/0x650 [ 45.937576][ T10] hvc_console_print+0x292/0x780 [ 45.937580][ T10] ? hvc_write+0x3a0/0x3a0 [ 45.937581][ T10] ? do_raw_spin_lock+0x131/0x280 [ 45.937583][ T10] ? vsnprintf+0x527/0x1700 [ 45.937585][ T10] ? __rwlock_init+0x150/0x150 [ 45.937586][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937588][ T10] ? lock_acquire+0x13c/0x160 [ 45.937590][ T10] console_emit_next_record+0x22f/0x4c0 [ 45.937593][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 45.937595][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937597][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937598][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937600][ T10] ? lock_acquire+0x13c/0x160 [ 45.937602][ T10] ? console_flush_one_record+0x111/0x710 [ 45.937603][ T10] console_flush_one_record+0x46f/0x710 [ 45.937605][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 45.937608][ T10] console_unlock+0xee/0x1f0 [ 45.937610][ T10] ? lock_acquire+0x13c/0x160 [ 45.937611][ T10] ? console_flush_one_record+0x710/0x710 [ 45.937613][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937614][ T10] ? lock_release+0x184/0x1f0 [ 45.937616][ T10] ? lock_acquire+0x60/0x160 [ 45.937617][ T10] ? __rcu_read_lock+0x30/0x70 [ 45.937619][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 45.937621][ T10] ? vprintk_emit+0x320/0x3e0 [ 45.937623][ T10] vprintk_emit+0x37c/0x3e0 [ 45.937625][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 45.937627][ T10] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 45.937628][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937630][ T10] ? trace_sched_wakeup+0x9b/0x160 [ 45.937632][ T10] _printk+0xc7/0x100 [ 45.937635][ T10] ? snapshot_read.cold+0x21/0x21 [ 45.937637][ T10] ? try_to_wake_up+0x153/0x1130 [ 45.937639][ T10] ? select_fallback_rq+0x510/0x510 [ 45.937640][ T10] ? netdev_name+0x43/0x60 [ 45.937643][ T10] ? __netdev_printk+0x17f/0x1d0 [ 45.937644][ T10] netdev_info+0xe2/0x116 [ 45.937646][ T10] ? netdev_notice+0x120/0x120 [ 45.937647][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937649][ T10] ? __queue_work+0x3ab/0xd30 [ 45.937652][ T10] ? kthread+0x367/0x460 [ 45.937654][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 45.937657][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 45.937661][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 45.937664][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937665][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.937667][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 45.937671][ T10] ? do_raw_spin_lock+0x131/0x280 [ 45.937673][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 45.937675][ T10] ? __rwlock_init+0x150/0x150 [ 45.937677][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937679][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.937680][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 45.937681][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 45.937684][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 45.937686][ T10] ? __rwlock_init+0x150/0x150 [ 45.937689][ T10] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 45.937692][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 45.937695][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937696][ T10] ? lock_acquire+0x13c/0x160 [ 45.937698][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.937700][ T10] ? process_one_work+0xdfc/0x1560 [ 45.937701][ T10] process_one_work+0xe3e/0x1560 [ 45.937704][ T10] ? __queue_delayed_work+0x470/0x470 [ 45.937706][ T10] ? find_held_lock+0x2b/0x80 [ 45.937708][ T10] ? __rwlock_init+0x150/0x150 [ 45.937710][ T10] worker_thread+0x4f1/0xd60 [ 45.937712][ T10] ? rescuer_thread+0x1340/0x1340 [ 45.937714][ T10] ? __kthread_parkme+0xbd/0x210 [ 45.937715][ T10] ? rescuer_thread+0x1340/0x1340 [ 45.937717][ T10] ? rescuer_thread+0x1340/0x1340 [ 45.937719][ T10] kthread+0x367/0x460 [ 45.937720][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.937721][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.937723][ T10] ret_from_fork+0x474/0x6b0 [ 45.937725][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 45.937727][ T10] ? __switch_to+0x5a3/0xe00 [ 45.937730][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.937732][ T10] ret_from_fork_asm+0x11/0x20 [ 45.937735][ T10] [ 46.002424][ T66] tun4: deleting peer with id 4, reason 2 [ 46.065415][ T10] tun5: deleting peer with id 5, reason 2 [ 46.129453][ T53] tun6: deleting peer with id 6, reason 2