[ 14.776959][ T302] ip (302) used greatest stack depth: 24272 bytes left [ 14.776975][ T302] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.776977][ T302] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 302, name: ip [ 14.776978][ T302] preempt_count: 2, expected: 0 [ 14.776979][ T302] RCU nest depth: 0, expected: 0 [ 14.776980][ T302] locks held by ip/302: 5, last CPU#1: [ 14.776982][ T302] #0: ffffffff84e127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.776993][ T302] #1: ffffffff84f79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.776998][ T302] #2: ffffffff84f79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.777002][ T302] #3: ffffffff84e99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.777006][ T302] #4: ffffffff84e99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.777009][ T302] irq event stamp: 33962 [ 14.777010][ T302] hardirqs last enabled at (33961): [] __down_trylock_console_sem+0x86/0xa0 [ 14.777013][ T302] hardirqs last disabled at (33962): [] console_emit_next_record+0x3d4/0x4c0 [ 14.777015][ T302] softirqs last enabled at (33542): [] handle_softirqs+0x67c/0x900 [ 14.777017][ T302] softirqs last disabled at (33537): [] __irq_exit_rcu+0x145/0x1c0 [ 14.777019][ T302] Preemption disabled at: [ 14.777020][ T302] [<0000000000000000>] 0x0 [ 14.777026][ T302] CPU: 1 UID: 0 PID: 302 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.777030][ T302] Tainted: [W]=WARN [ 14.777030][ T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.777032][ T302] Call Trace: [ 14.777034][ T302] [ 14.777036][ T302] dump_stack_lvl+0x6f/0xa0 [ 14.777042][ T302] __might_resched.cold+0x1fe/0x2c1 [ 14.777046][ T302] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.777050][ T302] ? __kmalloc_noprof+0xdb/0x760 [ 14.777055][ T302] __kmalloc_noprof+0x443/0x760 [ 14.777058][ T302] ? alloc_buf.isra.0+0x4b/0x260 [ 14.777063][ T302] ? do_raw_spin_unlock+0x59/0x250 [ 14.777066][ T302] alloc_buf.isra.0+0x4b/0x260 [ 14.777069][ T302] put_chars+0x1e1/0x2f0 [ 14.777072][ T302] ? __send_to_port+0x420/0x420 [ 14.777074][ T302] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.777079][ T302] ? validate_chain+0x38b/0xc20 [ 14.777084][ T302] hvc_console_print+0x292/0x780 [ 14.777090][ T302] ? hvc_write+0x3a0/0x3a0 [ 14.777092][ T302] ? rcu_is_watching+0x16/0xd0 [ 14.777095][ T302] ? lock_acquire+0x13c/0x160 [ 14.777099][ T302] console_emit_next_record+0x22f/0x4c0 [ 14.777102][ T302] ? devkmsg_read+0x4b0/0x4b0 [ 14.777104][ T302] ? console_flush_one_record+0x106/0x710 [ 14.777107][ T302] ? rcu_is_watching+0x16/0xd0 [ 14.777109][ T302] ? lock_acquire+0x13c/0x160 [ 14.777113][ T302] console_flush_one_record+0x46f/0x710 [ 14.777117][ T302] ? console_emit_next_record+0x4c0/0x4c0 [ 14.777119][ T302] ? __lock_acquire+0x518/0xc20 [ 14.777123][ T302] console_unlock+0xee/0x1f0 [ 14.777126][ T302] ? console_flush_one_record+0x710/0x710 [ 14.777128][ T302] ? rcu_is_watching+0x16/0xd0 [ 14.777130][ T302] ? lock_acquire+0x60/0x160 [ 14.777134][ T302] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.777135][ T302] ? vprintk_emit+0x320/0x3e0 [ 14.777139][ T302] vprintk_emit+0x37c/0x3e0 [ 14.777142][ T302] ? wake_up_klogd_work_func+0x90/0x90 [ 14.777146][ T302] ? __lock_acquire+0x518/0xc20 [ 14.777149][ T302] _printk+0xc7/0x100 [ 14.777152][ T302] ? snapshot_read.cold+0x21/0x21 [ 14.777155][ T302] ? do_raw_spin_lock+0x131/0x280 [ 14.777158][ T302] ? __rwlock_init+0x150/0x150 [ 14.777161][ T302] ? do_raw_spin_lock+0x131/0x280 [ 14.777164][ T302] do_exit.cold+0x82/0x9c [ 14.777168][ T302] ? exit_notify+0x890/0x890 [ 14.777169][ T302] ? __lock_release.isra.0+0x69/0x1a0 [ 14.777171][ T302] ? rcu_is_watching+0x16/0xd0 [ 14.777175][ T302] do_group_exit+0xb8/0x370 [ 14.777178][ T302] __x64_sys_exit_group+0x3c/0x50 [ 14.777180][ T302] x64_sys_call+0x1567/0x1570 [ 14.777182][ T302] do_syscall_64+0xff/0x530 [ 14.777186][ T302] ? exc_page_fault+0xee/0x100 [ 14.777189][ T302] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.777191][ T302] RIP: 0033:0x7f3922b031b8 [ 14.777194][ T302] Code: Unable to access opcode bytes at 0x7f3922b0318e. [ 14.777195][ T302] RSP: 002b:00007fffacefbc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.777197][ T302] RAX: ffffffffffffffda RBX: 00007f3922c33f88 RCX: 00007f3922b031b8 [ 14.777198][ T302] RDX: 00007f392284dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.777199][ T302] RBP: 00007fffacefbca0 R08: 0000000000000000 R09: 0000000000000000 [ 14.777200][ T302] R10: 00007fffacefba60 R11: 0000000000000246 R12: 0000000000000001 [ 14.777201][ T302] R13: 0000000000000000 R14: 00007f3922c32680 R15: 00007f3922c33fa0 [ 14.777207][ T302] [ 14.980642][ T308] ip (308) used greatest stack depth: 23808 bytes left [ 15.246329][ T316] ip (316) used greatest stack depth: 23728 bytes left [ 22.602024][ C0] tun0: no available key for peer 4, key-id: 0 [ 22.602059][ C0] [ 22.602061][ C0] ======================================================== [ 22.602062][ C0] WARNING: possible irq lock inversion dependency detected [ 22.602064][ C0] 7.2.0-virtme #1 Tainted: G W [ 22.602065][ C0] -------------------------------------------------------- [ 22.602066][ C0] kworker/u16:0/12 just changed the state of lock: [ 22.602067][ C0] ffffffff84e99660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.602079][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 22.602081][ C0] (fs_reclaim){+.+.}-{0:0} [ 22.602082][ C0] [ 22.602082][ C0] [ 22.602082][ C0] and interrupts could create inverse lock ordering between them. [ 22.602082][ C0] [ 22.602082][ C0] [ 22.602082][ C0] other info that might help us debug this: [ 22.602083][ C0] Possible interrupt unsafe locking scenario: [ 22.602083][ C0] [ 22.602084][ C0] CPU0 CPU1 [ 22.602084][ C0] ---- ---- [ 22.602084][ C0] lock(fs_reclaim); [ 22.602085][ C0] local_irq_disable(); [ 22.602086][ C0] lock(console_owner); [ 22.602087][ C0] lock(fs_reclaim); [ 22.602087][ C0] [ 22.602088][ C0] lock(console_owner); [ 22.602089][ C0] [ 22.602089][ C0] *** DEADLOCK *** [ 22.602089][ C0] [ 22.602089][ C0] locks held by kworker/u16:0/12: 11, last CPU#0: [ 22.602090][ C0] #0: ff11000008e89d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 22.602095][ C0] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 22.602099][ C0] #2: ffffffff856e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 22.602104][ C0] #3: ffffffff84f90b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 22.602107][ C0] #4: ffffffff84f90b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 22.602111][ C0] #5: ffffffff84f90b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 22.602116][ C0] #6: ffffffff84f90b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 22.602120][ C0] #7: ff1100001a17ee18 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 22.602125][ C0] #8: ffffffff84f90b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 22.602131][ C0] #9: ffffffff84f79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.602134][ C0] #10: ffffffff84f79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.602137][ C0] [ 22.602137][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 22.602142][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 22.602144][ C0] HARDIRQ-ON-W at: [ 22.602146][ C0] __lock_acquire+0x388/0xc20 [ 22.602149][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602150][ C0] fs_reclaim_acquire+0xd5/0x120 [ 22.602153][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 22.602156][ C0] kthread_create_worker_on_node+0xea/0x210 [ 22.602158][ C0] workqueue_init+0x2a/0x680 [ 22.602162][ C0] kernel_init_freeable+0x2fe/0x630 [ 22.602164][ C0] kernel_init+0x21/0x150 [ 22.602167][ C0] ret_from_fork+0x474/0x6b0 [ 22.602170][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602173][ C0] SOFTIRQ-ON-W at: [ 22.602173][ C0] __lock_acquire+0x388/0xc20 [ 22.602175][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602176][ C0] fs_reclaim_acquire+0xd5/0x120 [ 22.602177][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 22.602178][ C0] kthread_create_worker_on_node+0xea/0x210 [ 22.602180][ C0] workqueue_init+0x2a/0x680 [ 22.602181][ C0] kernel_init_freeable+0x2fe/0x630 [ 22.602182][ C0] kernel_init+0x21/0x150 [ 22.602184][ C0] ret_from_fork+0x474/0x6b0 [ 22.602185][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602186][ C0] INITIAL USE at: [ 22.602187][ C0] __lock_acquire+0x388/0xc20 [ 22.602188][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602189][ C0] fs_reclaim_acquire+0xd5/0x120 [ 22.602190][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 22.602192][ C0] kthread_create_worker_on_node+0xea/0x210 [ 22.602193][ C0] workqueue_init+0x2a/0x680 [ 22.602194][ C0] kernel_init_freeable+0x2fe/0x630 [ 22.602196][ C0] kernel_init+0x21/0x150 [ 22.602197][ C0] ret_from_fork+0x474/0x6b0 [ 22.602198][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602199][ C0] } [ 22.602199][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 22.602203][ C0] ... acquired at: [ 22.602204][ C0] __lock_acquire+0x518/0xc20 [ 22.602205][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602206][ C0] fs_reclaim_acquire+0xd5/0x120 [ 22.602207][ C0] __kmalloc_noprof+0xd3/0x760 [ 22.602209][ C0] alloc_buf.isra.0+0x4b/0x260 [ 22.602212][ C0] put_chars+0x1e1/0x2f0 [ 22.602214][ C0] hvc_console_print+0x292/0x780 [ 22.602216][ C0] console_emit_next_record+0x22f/0x4c0 [ 22.602217][ C0] console_flush_one_record+0x46f/0x710 [ 22.602219][ C0] console_unlock+0xee/0x1f0 [ 22.602220][ C0] vprintk_emit+0x37c/0x3e0 [ 22.602222][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 22.602225][ C0] dev_printk_emit+0xb9/0xee [ 22.602227][ C0] _dev_info+0xe2/0x116 [ 22.602228][ C0] cmos_do_probe+0x8be/0x98a [ 22.602231][ C0] platform_probe+0xfe/0x1f0 [ 22.602233][ C0] call_driver_probe+0x61/0x1c0 [ 22.602235][ C0] really_probe+0x199/0x760 [ 22.602237][ C0] __driver_probe_device+0x24f/0x440 [ 22.602238][ C0] driver_probe_device+0x4a/0xf0 [ 22.602240][ C0] __driver_attach+0x1b8/0x540 [ 22.602241][ C0] bus_for_each_dev+0x130/0x1e0 [ 22.602243][ C0] bus_add_driver+0x2c8/0x530 [ 22.602244][ C0] driver_register+0x1a3/0x390 [ 22.602246][ C0] __platform_driver_probe+0x13f/0x270 [ 22.602247][ C0] cmos_init+0x31/0x40 [ 22.602249][ C0] do_one_initcall+0x124/0x4f0 [ 22.602251][ C0] kernel_init_freeable+0x596/0x630 [ 22.602253][ C0] kernel_init+0x21/0x150 [ 22.602254][ C0] ret_from_fork+0x474/0x6b0 [ 22.602255][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602256][ C0] [ 22.602256][ C0] -> (console_owner){..-.}-{0:0} { [ 22.602258][ C0] IN-SOFTIRQ-W at: [ 22.602259][ C0] __lock_acquire+0x388/0xc20 [ 22.602260][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602261][ C0] console_lock_spinning_enable+0x5c/0x60 [ 22.602263][ C0] console_emit_next_record+0x1d1/0x4c0 [ 22.602265][ C0] console_flush_one_record+0x46f/0x710 [ 22.602266][ C0] console_unlock+0xee/0x1f0 [ 22.602268][ C0] vprintk_emit+0x37c/0x3e0 [ 22.602269][ C0] _printk+0xc7/0x100 [ 22.602272][ C0] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.602275][ C0] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.602277][ C0] __strp_recv+0x20f/0x1c20 [ 22.602280][ C0] __tcp_read_sock+0x1c7/0x850 [ 22.602282][ C0] strp_read_sock+0x20f/0x2b0 [ 22.602284][ C0] strp_data_ready+0x18e/0x2c0 [ 22.602286][ C0] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.602288][ C0] tcp_rcv_established+0x1e1d/0x3910 [ 22.602290][ C0] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.602292][ C0] tcp_v4_rcv+0x1caa/0x2b70 [ 22.602293][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 22.602294][ C0] ip_local_deliver_finish+0x36f/0x610 [ 22.602296][ C0] ip_local_deliver+0x184/0x4c0 [ 22.602297][ C0] ip_rcv+0xdc/0x3d0 [ 22.602298][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 22.602300][ C0] process_backlog+0x431/0x14c0 [ 22.602302][ C0] __napi_poll+0xa7/0x3b0 [ 22.602303][ C0] net_rx_action+0x513/0xf50 [ 22.602305][ C0] handle_softirqs+0x1d3/0x900 [ 22.602307][ C0] do_softirq+0xac/0xe0 [ 22.602308][ C0] __local_bh_enable_ip+0x118/0x150 [ 22.602310][ C0] __dev_queue_xmit+0x979/0x1b80 [ 22.602311][ C0] ip6_finish_output2+0x423/0x12a0 [ 22.602313][ C0] ip6_finish_output+0x646/0xda0 [ 22.602314][ C0] ip6_output+0x23f/0x7f0 [ 22.602315][ C0] ndisc_send_skb+0xba3/0x1520 [ 22.602316][ C0] addrconf_dad_completed+0x37e/0xe10 [ 22.602318][ C0] addrconf_dad_begin+0x2e1/0x540 [ 22.602320][ C0] addrconf_dad_work+0x170/0x930 [ 22.602321][ C0] process_one_work+0xe3e/0x1560 [ 22.602323][ C0] worker_thread+0x4f1/0xd60 [ 22.602324][ C0] kthread+0x367/0x460 [ 22.602326][ C0] ret_from_fork+0x474/0x6b0 [ 22.602327][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602328][ C0] INITIAL USE at: [ 22.602329][ C0] } [ 22.602329][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 22.602333][ C0] ... acquired at: [ 22.602333][ C0] mark_lock+0x1d7/0xa00 [ 22.602335][ C0] mark_usage+0x42/0x170 [ 22.602336][ C0] __lock_acquire+0x388/0xc20 [ 22.602337][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602339][ C0] console_lock_spinning_enable+0x5c/0x60 [ 22.602340][ C0] console_emit_next_record+0x1d1/0x4c0 [ 22.602342][ C0] console_flush_one_record+0x46f/0x710 [ 22.602343][ C0] console_unlock+0xee/0x1f0 [ 22.602345][ C0] vprintk_emit+0x37c/0x3e0 [ 22.602351][ C0] _printk+0xc7/0x100 [ 22.602352][ C0] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.602355][ C0] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.602357][ C0] __strp_recv+0x20f/0x1c20 [ 22.602358][ C0] __tcp_read_sock+0x1c7/0x850 [ 22.602359][ C0] strp_read_sock+0x20f/0x2b0 [ 22.602361][ C0] strp_data_ready+0x18e/0x2c0 [ 22.602363][ C0] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.602365][ C0] tcp_rcv_established+0x1e1d/0x3910 [ 22.602366][ C0] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.602368][ C0] tcp_v4_rcv+0x1caa/0x2b70 [ 22.602369][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 22.602370][ C0] ip_local_deliver_finish+0x36f/0x610 [ 22.602372][ C0] ip_local_deliver+0x184/0x4c0 [ 22.602373][ C0] ip_rcv+0xdc/0x3d0 [ 22.602374][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 22.602376][ C0] process_backlog+0x431/0x14c0 [ 22.602377][ C0] __napi_poll+0xa7/0x3b0 [ 22.602379][ C0] net_rx_action+0x513/0xf50 [ 22.602380][ C0] handle_softirqs+0x1d3/0x900 [ 22.602381][ C0] do_softirq+0xac/0xe0 [ 22.602383][ C0] __local_bh_enable_ip+0x118/0x150 [ 22.602384][ C0] __dev_queue_xmit+0x979/0x1b80 [ 22.602385][ C0] ip6_finish_output2+0x423/0x12a0 [ 22.602387][ C0] ip6_finish_output+0x646/0xda0 [ 22.602388][ C0] ip6_output+0x23f/0x7f0 [ 22.602389][ C0] ndisc_send_skb+0xba3/0x1520 [ 22.602390][ C0] addrconf_dad_completed+0x37e/0xe10 [ 22.602392][ C0] addrconf_dad_begin+0x2e1/0x540 [ 22.602393][ C0] addrconf_dad_work+0x170/0x930 [ 22.602395][ C0] process_one_work+0xe3e/0x1560 [ 22.602396][ C0] worker_thread+0x4f1/0xd60 [ 22.602398][ C0] kthread+0x367/0x460 [ 22.602399][ C0] ret_from_fork+0x474/0x6b0 [ 22.602400][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602401][ C0] [ 22.602402][ C0] [ 22.602402][ C0] stack backtrace: [ 22.602404][ C0] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.602407][ C0] Tainted: [W]=WARN [ 22.602408][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.602410][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.602413][ C0] Call Trace: [ 22.602414][ C0] [ 22.602416][ C0] dump_stack_lvl+0x6f/0xa0 [ 22.602420][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 22.602423][ C0] mark_lock_irq+0x989/0x9c0 [ 22.602426][ C0] mark_lock+0x1d7/0xa00 [ 22.602427][ C0] mark_usage+0x42/0x170 [ 22.602429][ C0] __lock_acquire+0x388/0xc20 [ 22.602431][ C0] lock_acquire.part.0+0xd4/0x280 [ 22.602433][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 22.602435][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602438][ C0] ? lock_acquire+0x13c/0x160 [ 22.602440][ C0] console_lock_spinning_enable+0x5c/0x60 [ 22.602442][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 22.602443][ C0] console_emit_next_record+0x1d1/0x4c0 [ 22.602446][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 22.602447][ C0] ? console_flush_one_record+0x106/0x710 [ 22.602449][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602451][ C0] ? lock_acquire+0x13c/0x160 [ 22.602453][ C0] console_flush_one_record+0x46f/0x710 [ 22.602455][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 22.602457][ C0] ? __lock_acquire+0x518/0xc20 [ 22.602459][ C0] console_unlock+0xee/0x1f0 [ 22.602461][ C0] ? console_flush_one_record+0x710/0x710 [ 22.602462][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602464][ C0] ? lock_acquire+0x60/0x160 [ 22.602466][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.602468][ C0] ? vprintk_emit+0x320/0x3e0 [ 22.602470][ C0] vprintk_emit+0x37c/0x3e0 [ 22.602472][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 22.602474][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602476][ C0] _printk+0xc7/0x100 [ 22.602478][ C0] ? snapshot_read.cold+0x21/0x21 [ 22.602479][ C0] ? ___ratelimit+0x4e7/0xa00 [ 22.602482][ C0] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.602486][ C0] ? idr_get_free+0x830/0x830 [ 22.602488][ C0] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.602491][ C0] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.602494][ C0] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.602496][ C0] ? __copy_skb_header+0xb7/0x510 [ 22.602499][ C0] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.602501][ C0] ? sock_queue_err_skb+0xb0/0x680 [ 22.602503][ C0] __strp_recv+0x20f/0x1c20 [ 22.602506][ C0] __tcp_read_sock+0x1c7/0x850 [ 22.602508][ C0] ? strp_process+0xb0/0xb0 [ 22.602510][ C0] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.602511][ C0] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.602513][ C0] ? mark_usage+0x61/0x170 [ 22.602515][ C0] strp_read_sock+0x20f/0x2b0 [ 22.602517][ C0] ? strp_stop+0x50/0x50 [ 22.602522][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602524][ C0] ? lock_acquire+0x13c/0x160 [ 22.602525][ C0] strp_data_ready+0x18e/0x2c0 [ 22.602527][ C0] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.602530][ C0] tcp_rcv_established+0x1e1d/0x3910 [ 22.602533][ C0] ? __tcp_check_space+0x600/0x600 [ 22.602534][ C0] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.602536][ C0] ? do_raw_spin_lock+0x131/0x280 [ 22.602538][ C0] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.602540][ C0] tcp_v4_rcv+0x1caa/0x2b70 [ 22.602543][ C0] ? mark_usage+0x61/0x170 [ 22.602544][ C0] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.602547][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602548][ C0] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.602550][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 22.602552][ C0] ? process_backlog+0x3f1/0x14c0 [ 22.602554][ C0] ip_local_deliver_finish+0x36f/0x610 [ 22.602555][ C0] ip_local_deliver+0x184/0x4c0 [ 22.602557][ C0] ? ip_local_deliver_finish+0x610/0x610 [ 22.602559][ C0] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.602561][ C0] ? process_backlog+0x3f1/0x14c0 [ 22.602563][ C0] ip_rcv+0xdc/0x3d0 [ 22.602565][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 22.602566][ C0] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.602568][ C0] ? mark_usage+0x61/0x170 [ 22.602570][ C0] ? __lock_acquire+0x518/0xc20 [ 22.602571][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.602574][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 22.602575][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602577][ C0] ? process_backlog+0x3f1/0x14c0 [ 22.602579][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.602581][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602583][ C0] process_backlog+0x431/0x14c0 [ 22.602586][ C0] __napi_poll+0xa7/0x3b0 [ 22.602588][ C0] net_rx_action+0x513/0xf50 [ 22.602590][ C0] ? __napi_poll+0x3b0/0x3b0 [ 22.602592][ C0] ? __print_lock_name+0x80/0x80 [ 22.602595][ C0] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.602598][ C0] ? mark_held_locks+0x40/0x70 [ 22.602600][ C0] handle_softirqs+0x1d3/0x900 [ 22.602602][ C0] ? _local_bh_enable+0xc0/0xc0 [ 22.602603][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 22.602605][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602607][ C0] ? __dev_queue_xmit+0x964/0x1b80 [ 22.602609][ C0] do_softirq+0xac/0xe0 [ 22.602610][ C0] [ 22.602611][ C0] [ 22.602611][ C0] __local_bh_enable_ip+0x118/0x150 [ 22.602613][ C0] __dev_queue_xmit+0x979/0x1b80 [ 22.602615][ C0] ? __lock_acquire+0x518/0xc20 [ 22.602616][ C0] ? do_ipv6_getsockopt+0x2030/0x2e80 [ 22.602618][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.602620][ C0] ? find_held_lock+0x2b/0x80 [ 22.602621][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602623][ C0] ? __rwlock_init+0x150/0x150 [ 22.602624][ C0] ? mark_held_locks+0x40/0x70 [ 22.602626][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 22.602628][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602629][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602630][ C0] ? ___neigh_create+0x811/0x1070 [ 22.602633][ C0] ip6_finish_output2+0x423/0x12a0 [ 22.602635][ C0] ? ip6_dst_lookup+0x80/0x80 [ 22.602637][ C0] ? find_held_lock+0x2b/0x80 [ 22.602638][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602640][ C0] ? ip6_mtu+0x15d/0x310 [ 22.602642][ C0] ip6_finish_output+0x646/0xda0 [ 22.602644][ C0] ip6_output+0x23f/0x7f0 [ 22.602646][ C0] ? ip6_finish_output+0xda0/0xda0 [ 22.602648][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602649][ C0] ? find_held_lock+0x2b/0x80 [ 22.602650][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602652][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602654][ C0] ndisc_send_skb+0xba3/0x1520 [ 22.602655][ C0] ? ndisc_recv_na+0xea0/0xea0 [ 22.602658][ C0] ? ndisc_alloc_skb+0x2da/0x490 [ 22.602659][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602661][ C0] addrconf_dad_completed+0x37e/0xe10 [ 22.602663][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602664][ C0] ? addrconf_rs_timer+0x770/0x770 [ 22.602666][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602668][ C0] ? __rwlock_init+0x150/0x150 [ 22.602669][ C0] ? mark_held_locks+0x40/0x70 [ 22.602671][ C0] ? addrconf_dad_begin+0x2e1/0x540 [ 22.602673][ C0] addrconf_dad_begin+0x2e1/0x540 [ 22.602674][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602676][ C0] ? addrconf_dad_completed+0xe10/0xe10 [ 22.602678][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602679][ C0] ? __rwlock_init+0x150/0x150 [ 22.602681][ C0] ? mark_held_locks+0x40/0x70 [ 22.602683][ C0] addrconf_dad_work+0x170/0x930 [ 22.602685][ C0] ? addrconf_dad_begin+0x540/0x540 [ 22.602687][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602689][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602690][ C0] ? lock_acquire+0x13c/0x160 [ 22.602692][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602694][ C0] process_one_work+0xe3e/0x1560 [ 22.602696][ C0] ? __queue_delayed_work+0x470/0x470 [ 22.602698][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602701][ C0] worker_thread+0x4f1/0xd60 [ 22.602704][ C0] ? rescuer_thread+0x1340/0x1340 [ 22.602705][ C0] kthread+0x367/0x460 [ 22.602707][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.602709][ C0] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.602711][ C0] ret_from_fork+0x474/0x6b0 [ 22.602712][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.602714][ C0] ? __switch_to+0x5a3/0xe00 [ 22.602717][ C0] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.602718][ C0] ret_from_fork_asm+0x11/0x20 [ 22.602721][ C0] [ 22.602725][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.602727][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 22.602728][ C0] preempt_count: 103, expected: 0 [ 22.602729][ C0] RCU nest depth: 5, expected: 0 [ 22.602729][ C0] INFO: lockdep is turned off. [ 22.602730][ C0] irq event stamp: 14655 [ 22.602730][ C0] hardirqs last enabled at (14654): [] __down_trylock_console_sem+0x86/0xa0 [ 22.602733][ C0] hardirqs last disabled at (14655): [] console_emit_next_record+0x3d4/0x4c0 [ 22.602735][ C0] softirqs last enabled at (14538): [] __dev_queue_xmit+0x964/0x1b80 [ 22.602737][ C0] softirqs last disabled at (14539): [] do_softirq+0xac/0xe0 [ 22.602738][ C0] Preemption disabled at: [ 22.602738][ C0] [] __dev_queue_xmit+0x204/0x1b80 [ 22.602741][ C0] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.602743][ C0] Tainted: [W]=WARN [ 22.602744][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.602744][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.602746][ C0] Call Trace: [ 22.602747][ C0] [ 22.602747][ C0] dump_stack_lvl+0x6f/0xa0 [ 22.602750][ C0] ? __dev_queue_xmit+0x204/0x1b80 [ 22.602751][ C0] __might_resched.cold+0x1fe/0x2c1 [ 22.602754][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.602757][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602759][ C0] __kmalloc_noprof+0x443/0x760 [ 22.602760][ C0] ? __rwlock_init+0x150/0x150 [ 22.602762][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 22.602764][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 22.602765][ C0] alloc_buf.isra.0+0x4b/0x260 [ 22.602767][ C0] put_chars+0x1e1/0x2f0 [ 22.602769][ C0] ? __send_to_port+0x420/0x420 [ 22.602771][ C0] hvc_console_print+0x292/0x780 [ 22.602773][ C0] ? __lock_acquire+0x388/0xc20 [ 22.602775][ C0] ? hvc_write+0x3a0/0x3a0 [ 22.602777][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602779][ C0] ? lock_acquire+0x13c/0x160 [ 22.602781][ C0] console_emit_next_record+0x22f/0x4c0 [ 22.602783][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 22.602784][ C0] ? console_flush_one_record+0x106/0x710 [ 22.602786][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602788][ C0] ? lock_acquire+0x13c/0x160 [ 22.602790][ C0] console_flush_one_record+0x46f/0x710 [ 22.602792][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 22.602793][ C0] ? __lock_acquire+0x518/0xc20 [ 22.602796][ C0] console_unlock+0xee/0x1f0 [ 22.602798][ C0] ? console_flush_one_record+0x710/0x710 [ 22.602799][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602801][ C0] ? lock_acquire+0x60/0x160 [ 22.602803][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.602804][ C0] ? vprintk_emit+0x320/0x3e0 [ 22.602806][ C0] vprintk_emit+0x37c/0x3e0 [ 22.602808][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 22.602810][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602812][ C0] _printk+0xc7/0x100 [ 22.602814][ C0] ? snapshot_read.cold+0x21/0x21 [ 22.602815][ C0] ? ___ratelimit+0x4e7/0xa00 [ 22.602817][ C0] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.602820][ C0] ? idr_get_free+0x830/0x830 [ 22.602822][ C0] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.602825][ C0] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.602827][ C0] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.602829][ C0] ? __copy_skb_header+0xb7/0x510 [ 22.602831][ C0] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.602833][ C0] ? sock_queue_err_skb+0xb0/0x680 [ 22.602836][ C0] __strp_recv+0x20f/0x1c20 [ 22.602839][ C0] __tcp_read_sock+0x1c7/0x850 [ 22.602840][ C0] ? strp_process+0xb0/0xb0 [ 22.602842][ C0] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.602843][ C0] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.602845][ C0] ? mark_usage+0x61/0x170 [ 22.602847][ C0] strp_read_sock+0x20f/0x2b0 [ 22.602849][ C0] ? strp_stop+0x50/0x50 [ 22.602851][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602853][ C0] ? lock_acquire+0x13c/0x160 [ 22.602854][ C0] strp_data_ready+0x18e/0x2c0 [ 22.602856][ C0] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.602859][ C0] tcp_rcv_established+0x1e1d/0x3910 [ 22.602862][ C0] ? __tcp_check_space+0x600/0x600 [ 22.602863][ C0] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.602865][ C0] ? do_raw_spin_lock+0x131/0x280 [ 22.602867][ C0] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.602869][ C0] tcp_v4_rcv+0x1caa/0x2b70 [ 22.602872][ C0] ? mark_usage+0x61/0x170 [ 22.602873][ C0] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.602875][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602877][ C0] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.602879][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 22.602881][ C0] ? process_backlog+0x3f1/0x14c0 [ 22.602882][ C0] ip_local_deliver_finish+0x36f/0x610 [ 22.602884][ C0] ip_local_deliver+0x184/0x4c0 [ 22.602886][ C0] ? ip_local_deliver_finish+0x610/0x610 [ 22.602887][ C0] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.602890][ C0] ? process_backlog+0x3f1/0x14c0 [ 22.602891][ C0] ip_rcv+0xdc/0x3d0 [ 22.602893][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 22.602894][ C0] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.602896][ C0] ? mark_usage+0x61/0x170 [ 22.602897][ C0] ? __lock_acquire+0x518/0xc20 [ 22.602899][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.602901][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 22.602902][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602904][ C0] ? process_backlog+0x3f1/0x14c0 [ 22.602906][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.602907][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602910][ C0] process_backlog+0x431/0x14c0 [ 22.602912][ C0] __napi_poll+0xa7/0x3b0 [ 22.602915][ C0] net_rx_action+0x513/0xf50 [ 22.602917][ C0] ? __napi_poll+0x3b0/0x3b0 [ 22.602919][ C0] ? __print_lock_name+0x80/0x80 [ 22.602922][ C0] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.602923][ C0] ? mark_held_locks+0x40/0x70 [ 22.602925][ C0] handle_softirqs+0x1d3/0x900 [ 22.602927][ C0] ? _local_bh_enable+0xc0/0xc0 [ 22.602928][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 22.602930][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.602932][ C0] ? __dev_queue_xmit+0x964/0x1b80 [ 22.602934][ C0] do_softirq+0xac/0xe0 [ 22.602935][ C0] [ 22.602935][ C0] [ 22.602936][ C0] __local_bh_enable_ip+0x118/0x150 [ 22.602937][ C0] __dev_queue_xmit+0x979/0x1b80 [ 22.602940][ C0] ? __lock_acquire+0x518/0xc20 [ 22.602941][ C0] ? do_ipv6_getsockopt+0x2030/0x2e80 [ 22.602943][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.602944][ C0] ? find_held_lock+0x2b/0x80 [ 22.602946][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602947][ C0] ? __rwlock_init+0x150/0x150 [ 22.602949][ C0] ? mark_held_locks+0x40/0x70 [ 22.602950][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 22.602951][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602953][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602954][ C0] ? ___neigh_create+0x811/0x1070 [ 22.602956][ C0] ip6_finish_output2+0x423/0x12a0 [ 22.602958][ C0] ? ip6_dst_lookup+0x80/0x80 [ 22.602960][ C0] ? find_held_lock+0x2b/0x80 [ 22.602961][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602963][ C0] ? ip6_mtu+0x15d/0x310 [ 22.602965][ C0] ip6_finish_output+0x646/0xda0 [ 22.602967][ C0] ip6_output+0x23f/0x7f0 [ 22.602968][ C0] ? ip6_finish_output+0xda0/0xda0 [ 22.602970][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602971][ C0] ? find_held_lock+0x2b/0x80 [ 22.602973][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602974][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602976][ C0] ndisc_send_skb+0xba3/0x1520 [ 22.602978][ C0] ? ndisc_recv_na+0xea0/0xea0 [ 22.602980][ C0] ? ndisc_alloc_skb+0x2da/0x490 [ 22.602981][ C0] ? __local_bh_enable_ip+0xaa/0x150 [ 22.602983][ C0] addrconf_dad_completed+0x37e/0xe10 [ 22.602985][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602987][ C0] ? addrconf_rs_timer+0x770/0x770 [ 22.602988][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.602990][ C0] ? __rwlock_init+0x150/0x150 [ 22.602991][ C0] ? mark_held_locks+0x40/0x70 [ 22.602993][ C0] ? addrconf_dad_begin+0x2e1/0x540 [ 22.602995][ C0] addrconf_dad_begin+0x2e1/0x540 [ 22.602997][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.602998][ C0] ? addrconf_dad_completed+0xe10/0xe10 [ 22.603000][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 22.603001][ C0] ? __rwlock_init+0x150/0x150 [ 22.603003][ C0] ? mark_held_locks+0x40/0x70 [ 22.603005][ C0] addrconf_dad_work+0x170/0x930 [ 22.603007][ C0] ? addrconf_dad_begin+0x540/0x540 [ 22.603009][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.603011][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.603012][ C0] ? lock_acquire+0x13c/0x160 [ 22.603014][ C0] ? rcu_is_watching+0x16/0xd0 [ 22.603016][ C0] process_one_work+0xe3e/0x1560 [ 22.603018][ C0] ? __queue_delayed_work+0x470/0x470 [ 22.603020][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 22.603023][ C0] worker_thread+0x4f1/0xd60 [ 22.603026][ C0] ? rescuer_thread+0x1340/0x1340 [ 22.603027][ C0] kthread+0x367/0x460 [ 22.603029][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.603030][ C0] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.603032][ C0] ret_from_fork+0x474/0x6b0 [ 22.603033][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.603035][ C0] ? __switch_to+0x5a3/0xe00 [ 22.603036][ C0] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.603038][ C0] ret_from_fork_asm+0x11/0x20 [ 22.603041][ C0] [ 22.743097][ C0] tun0: no available key for peer 5, key-id: 0 [ 22.804138][ C2] tun0: no available key for peer 6, key-id: 0 [ 31.300534][ T624] iperf3 (624) used greatest stack depth: 23128 bytes left [ 31.300552][ T624] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.300554][ T624] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 624, name: iperf3 [ 31.300556][ T624] preempt_count: 2, expected: 0 [ 31.300557][ T624] RCU nest depth: 0, expected: 0 [ 31.300558][ T624] INFO: lockdep is turned off. [ 31.300559][ T624] irq event stamp: 0 [ 31.300559][ T624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.300564][ T624] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 31.300570][ T624] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 31.300572][ T624] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.300573][ T624] Preemption disabled at: [ 31.300574][ T624] [<0000000000000000>] 0x0 [ 31.300579][ T624] CPU: 3 UID: 0 PID: 624 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.300583][ T624] Tainted: [W]=WARN [ 31.300584][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.300586][ T624] Call Trace: [ 31.300587][ T624] [ 31.300588][ T624] dump_stack_lvl+0x6f/0xa0 [ 31.300594][ T624] __might_resched.cold+0x1fe/0x2c1 [ 31.300598][ T624] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.300601][ T624] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 31.300604][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.300608][ T624] __kmalloc_noprof+0x443/0x760 [ 31.300611][ T624] ? __rwlock_init+0x150/0x150 [ 31.300614][ T624] ? alloc_buf.isra.0+0x4b/0x260 [ 31.300618][ T624] ? do_raw_spin_unlock+0x59/0x250 [ 31.300620][ T624] alloc_buf.isra.0+0x4b/0x260 [ 31.300622][ T624] put_chars+0x1e1/0x2f0 [ 31.300624][ T624] ? prb_final_commit+0x50/0x50 [ 31.300625][ T624] ? __send_to_port+0x420/0x420 [ 31.300627][ T624] ? printk_get_next_message+0x240/0x650 [ 31.300630][ T624] hvc_console_print+0x292/0x780 [ 31.300634][ T624] ? hvc_write+0x3a0/0x3a0 [ 31.300635][ T624] ? do_raw_spin_lock+0x131/0x280 [ 31.300637][ T624] ? vsnprintf+0x668/0x1700 [ 31.300640][ T624] ? __rwlock_init+0x150/0x150 [ 31.300642][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.300644][ T624] ? lock_acquire+0x13c/0x160 [ 31.300646][ T624] console_emit_next_record+0x22f/0x4c0 [ 31.300648][ T624] ? devkmsg_read+0x4b0/0x4b0 [ 31.300650][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.300652][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.300654][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.300656][ T624] ? lock_acquire+0x13c/0x160 [ 31.300658][ T624] ? console_flush_one_record+0x111/0x710 [ 31.300659][ T624] console_flush_one_record+0x46f/0x710 [ 31.300661][ T624] ? console_emit_next_record+0x4c0/0x4c0 [ 31.300664][ T624] console_unlock+0xee/0x1f0 [ 31.300666][ T624] ? lock_acquire+0x13c/0x160 [ 31.300668][ T624] ? console_flush_one_record+0x710/0x710 [ 31.300669][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.300671][ T624] ? lock_release+0x184/0x1f0 [ 31.300672][ T624] ? lock_acquire+0x60/0x160 [ 31.300674][ T624] ? __rcu_read_lock+0x30/0x70 [ 31.300676][ T624] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.300678][ T624] ? vprintk_emit+0x320/0x3e0 [ 31.300680][ T624] vprintk_emit+0x37c/0x3e0 [ 31.300682][ T624] ? wake_up_klogd_work_func+0x90/0x90 [ 31.300685][ T624] _printk+0xc7/0x100 [ 31.300688][ T624] ? snapshot_read.cold+0x21/0x21 [ 31.300689][ T624] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.300692][ T624] ? do_raw_spin_lock+0x131/0x280 [ 31.300693][ T624] ? __rwlock_init+0x150/0x150 [ 31.300695][ T624] ? do_raw_spin_lock+0x131/0x280 [ 31.300697][ T624] do_exit.cold+0x82/0x9c [ 31.300700][ T624] ? exit_notify+0x890/0x890 [ 31.300703][ T624] __x64_sys_exit+0x42/0x50 [ 31.300704][ T624] x64_sys_call+0x156c/0x1570 [ 31.300707][ T624] do_syscall_64+0xff/0x530 [ 31.300709][ T624] ? exc_page_fault+0xee/0x100 [ 31.300711][ T624] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.300713][ T624] RIP: 0033:0x7f23b480dc49 [ 31.300715][ T624] Code: Unable to access opcode bytes at 0x7f23b480dc1f. [ 31.300717][ T624] RSP: 002b:00007f23b3fcce60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.300720][ T624] RAX: ffffffffffffffda RBX: 00007f23b3fcd6c0 RCX: 00007f23b480dc49 [ 31.300721][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.300722][ T624] RBP: 00007f23b3fccf70 R08: 0000000000000001 R09: 00007f23b3fcd6c0 [ 31.300723][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f23b37cd000 [ 31.300724][ T624] R13: 00007fffc6f74960 R14: 0000000000000002 R15: 00007fffc6f74a67 [ 31.300726][ T624] [ 32.495615][ T718] tun0: deleting peer with id 1, reason 1 [ 32.495631][ T718] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.495633][ T718] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 718, name: ovpn-cli [ 32.495635][ T718] preempt_count: 202, expected: 0 [ 32.495636][ T718] RCU nest depth: 0, expected: 0 [ 32.495637][ T718] INFO: lockdep is turned off. [ 32.495638][ T718] irq event stamp: 0 [ 32.495639][ T718] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.495643][ T718] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.495649][ T718] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.495650][ T718] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.495652][ T718] Preemption disabled at: [ 32.495652][ T718] [<0000000000000000>] 0x0 [ 32.495657][ T718] CPU: 3 UID: 0 PID: 718 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.495661][ T718] Tainted: [W]=WARN [ 32.495661][ T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.495663][ T718] Call Trace: [ 32.495665][ T718] [ 32.495666][ T718] dump_stack_lvl+0x6f/0xa0 [ 32.495672][ T718] __might_resched.cold+0x1fe/0x2c1 [ 32.495676][ T718] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.495679][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495683][ T718] __kmalloc_noprof+0x443/0x760 [ 32.495687][ T718] ? __rwlock_init+0x150/0x150 [ 32.495690][ T718] ? alloc_buf.isra.0+0x4b/0x260 [ 32.495694][ T718] ? do_raw_spin_unlock+0x59/0x250 [ 32.495696][ T718] alloc_buf.isra.0+0x4b/0x260 [ 32.495698][ T718] put_chars+0x1e1/0x2f0 [ 32.495700][ T718] ? __send_to_port+0x420/0x420 [ 32.495702][ T718] ? printk_get_next_message+0x240/0x650 [ 32.495705][ T718] hvc_console_print+0x292/0x780 [ 32.495709][ T718] ? hvc_write+0x3a0/0x3a0 [ 32.495711][ T718] ? __rwlock_init+0x150/0x150 [ 32.495712][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495714][ T718] ? lock_acquire+0x13c/0x160 [ 32.495716][ T718] console_emit_next_record+0x22f/0x4c0 [ 32.495719][ T718] ? devkmsg_read+0x4b0/0x4b0 [ 32.495721][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495722][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495724][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495726][ T718] ? lock_acquire+0x13c/0x160 [ 32.495728][ T718] ? console_flush_one_record+0x111/0x710 [ 32.495729][ T718] console_flush_one_record+0x46f/0x710 [ 32.495732][ T718] ? console_emit_next_record+0x4c0/0x4c0 [ 32.495734][ T718] console_unlock+0xee/0x1f0 [ 32.495736][ T718] ? lock_acquire+0x13c/0x160 [ 32.495738][ T718] ? console_flush_one_record+0x710/0x710 [ 32.495739][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495741][ T718] ? lock_release+0x184/0x1f0 [ 32.495742][ T718] ? lock_acquire+0x60/0x160 [ 32.495744][ T718] ? __rcu_read_lock+0x30/0x70 [ 32.495746][ T718] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.495748][ T718] ? vprintk_emit+0x320/0x3e0 [ 32.495750][ T718] vprintk_emit+0x37c/0x3e0 [ 32.495752][ T718] ? wake_up_klogd_work_func+0x90/0x90 [ 32.495754][ T718] ? kernel_text_address+0x149/0x170 [ 32.495756][ T718] ? __kernel_text_address+0x12/0x30 [ 32.495758][ T718] ? write_profile+0xf0/0xf0 [ 32.495760][ T718] ? unwind_get_return_address+0x67/0xd0 [ 32.495763][ T718] _printk+0xc7/0x100 [ 32.495765][ T718] ? snapshot_read.cold+0x21/0x21 [ 32.495768][ T718] ? netdev_name+0x43/0x60 [ 32.495770][ T718] ? __netdev_printk+0x17f/0x1d0 [ 32.495772][ T718] netdev_info+0xe2/0x116 [ 32.495774][ T718] ? netdev_notice+0x120/0x120 [ 32.495775][ T718] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 32.495781][ T718] ? __module_address+0x36/0x330 [ 32.495784][ T718] ? lock_acquire+0x13c/0x160 [ 32.495786][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495787][ T718] ? lock_release+0x184/0x1f0 [ 32.495789][ T718] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 32.495793][ T718] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 32.495797][ T718] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 32.495800][ T718] ? lock_acquire+0x13c/0x160 [ 32.495801][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495803][ T718] ? lock_release+0x184/0x1f0 [ 32.495805][ T718] ovpn_peer_remove+0x394/0x640 [ovpn] [ 32.495808][ T718] ? do_raw_spin_lock+0x131/0x280 [ 32.495810][ T718] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 32.495813][ T718] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 32.495817][ T718] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 32.495820][ T718] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 32.495823][ T718] ? trace_hardirqs_on+0x36/0x40 [ 32.495825][ T718] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.495828][ T718] ? ref_tracker_alloc+0x28d/0x430 [ 32.495833][ T718] ? lock_release+0x184/0x1f0 [ 32.495834][ T718] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 32.495838][ T718] genl_family_rcv_msg_doit+0x206/0x300 [ 32.495842][ T718] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 32.495844][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495847][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495849][ T718] ? cap_capable+0x1d7/0x3d0 [ 32.495852][ T718] ? write_profile+0xf0/0xf0 [ 32.495853][ T718] ? unwind_get_return_address+0x67/0xd0 [ 32.495855][ T718] genl_family_rcv_msg+0x3a4/0x640 [ 32.495857][ T718] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 32.495859][ T718] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 32.495862][ T718] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.495864][ T718] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 32.495867][ T718] ? filter_irq_stacks+0xd0/0xd0 [ 32.495868][ T718] ? stack_depot_save_flags+0x1bc/0x790 [ 32.495871][ T718] genl_rcv_msg+0xbb/0x160 [ 32.495873][ T718] netlink_rcv_skb+0x14e/0x3a0 [ 32.495875][ T718] ? genl_family_rcv_msg+0x640/0x640 [ 32.495877][ T718] ? netlink_ack+0xcf0/0xcf0 [ 32.495880][ T718] ? lock_acquire+0x13c/0x160 [ 32.495881][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495883][ T718] ? lock_release+0x184/0x1f0 [ 32.495885][ T718] genl_rcv+0x28/0x40 [ 32.495887][ T718] netlink_unicast+0x486/0x750 [ 32.495889][ T718] ? netlink_attachskb+0x810/0x810 [ 32.495891][ T718] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.495892][ T718] ? trace_hardirqs_on+0x36/0x40 [ 32.495893][ T718] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 32.495897][ T718] netlink_sendmsg+0x735/0xc60 [ 32.495900][ T718] ? netlink_unicast+0x750/0x750 [ 32.495902][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495904][ T718] ? lock_release+0x184/0x1f0 [ 32.495905][ T718] ____sys_sendmsg+0x415/0x880 [ 32.495909][ T718] ? copy_msghdr_from_user+0x279/0x420 [ 32.495911][ T718] ? get_timestamp.constprop.0+0x390/0x390 [ 32.495912][ T718] ? move_addr_to_kernel+0x40/0x40 [ 32.495915][ T718] ___sys_sendmsg+0x14e/0x1d0 [ 32.495917][ T718] ? copy_msghdr_from_user+0x420/0x420 [ 32.495919][ T718] ? kfree+0x22/0x590 [ 32.495923][ T718] __sys_sendmsg+0x12c/0x1d0 [ 32.495926][ T718] ? __sys_sendmsg_sock+0x20/0x20 [ 32.495928][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495930][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.495932][ T718] do_syscall_64+0xff/0x530 [ 32.495935][ T718] ? exc_page_fault+0xee/0x100 [ 32.495937][ T718] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.495939][ T718] RIP: 0033:0x7f87494f554e [ 32.495941][ T718] 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 [ 32.495943][ T718] RSP: 002b:00007ffe1b8c8a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.495946][ T718] RAX: ffffffffffffffda RBX: 0000000001e3e130 RCX: 00007f87494f554e [ 32.495948][ T718] RDX: 0000000000000000 RSI: 00007ffe1b8c8ac0 RDI: 0000000000000005 [ 32.495949][ T718] RBP: 00007ffe1b8c8a30 R08: 0000000000000000 R09: 0000000000000000 [ 32.495949][ T718] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001e3e200 [ 32.495950][ T718] R13: 00007ffe1b8c8ac0 R14: 0000000001e3f260 R15: 000000000040bda8 [ 32.495953][ T718] [ 32.568731][ T722] tun1: deleting peer with id 10, reason 1 [ 35.117686][ T770] tun0: deleting peer with id 2, reason 1 [ 35.117702][ T770] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.117704][ T770] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 770, name: ovpn-cli [ 35.117706][ T770] preempt_count: 202, expected: 0 [ 35.117707][ T770] RCU nest depth: 0, expected: 0 [ 35.117708][ T770] INFO: lockdep is turned off. [ 35.117708][ T770] irq event stamp: 0 [ 35.117709][ T770] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.117713][ T770] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 35.117719][ T770] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 35.117721][ T770] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.117722][ T770] Preemption disabled at: [ 35.117723][ T770] [<0000000000000000>] 0x0 [ 35.117728][ T770] CPU: 2 UID: 0 PID: 770 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.117731][ T770] Tainted: [W]=WARN [ 35.117732][ T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.117733][ T770] Call Trace: [ 35.117735][ T770] [ 35.117736][ T770] dump_stack_lvl+0x6f/0xa0 [ 35.117741][ T770] __might_resched.cold+0x1fe/0x2c1 [ 35.117746][ T770] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.117749][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117753][ T770] __kmalloc_noprof+0x443/0x760 [ 35.117757][ T770] ? __rwlock_init+0x150/0x150 [ 35.117759][ T770] ? alloc_buf.isra.0+0x4b/0x260 [ 35.117764][ T770] ? do_raw_spin_unlock+0x59/0x250 [ 35.117765][ T770] alloc_buf.isra.0+0x4b/0x260 [ 35.117768][ T770] put_chars+0x1e1/0x2f0 [ 35.117770][ T770] ? __send_to_port+0x420/0x420 [ 35.117771][ T770] ? printk_get_next_message+0x240/0x650 [ 35.117775][ T770] hvc_console_print+0x292/0x780 [ 35.117779][ T770] ? hvc_write+0x3a0/0x3a0 [ 35.117780][ T770] ? __rwlock_init+0x150/0x150 [ 35.117782][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117783][ T770] ? lock_acquire+0x13c/0x160 [ 35.117786][ T770] console_emit_next_record+0x22f/0x4c0 [ 35.117788][ T770] ? devkmsg_read+0x4b0/0x4b0 [ 35.117790][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117792][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117793][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117795][ T770] ? lock_acquire+0x13c/0x160 [ 35.117797][ T770] ? console_flush_one_record+0x111/0x710 [ 35.117798][ T770] console_flush_one_record+0x46f/0x710 [ 35.117801][ T770] ? console_emit_next_record+0x4c0/0x4c0 [ 35.117803][ T770] console_unlock+0xee/0x1f0 [ 35.117805][ T770] ? lock_acquire+0x13c/0x160 [ 35.117806][ T770] ? console_flush_one_record+0x710/0x710 [ 35.117808][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117809][ T770] ? lock_release+0x184/0x1f0 [ 35.117811][ T770] ? lock_acquire+0x60/0x160 [ 35.117812][ T770] ? __rcu_read_lock+0x30/0x70 [ 35.117814][ T770] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.117816][ T770] ? vprintk_emit+0x320/0x3e0 [ 35.117818][ T770] vprintk_emit+0x37c/0x3e0 [ 35.117820][ T770] ? wake_up_klogd_work_func+0x90/0x90 [ 35.117822][ T770] ? kernel_text_address+0x149/0x170 [ 35.117824][ T770] ? __kernel_text_address+0x12/0x30 [ 35.117825][ T770] ? write_profile+0xf0/0xf0 [ 35.117827][ T770] ? unwind_get_return_address+0x67/0xd0 [ 35.117830][ T770] _printk+0xc7/0x100 [ 35.117833][ T770] ? snapshot_read.cold+0x21/0x21 [ 35.117835][ T770] ? netdev_name+0x43/0x60 [ 35.117838][ T770] ? __netdev_printk+0x17f/0x1d0 [ 35.117839][ T770] netdev_info+0xe2/0x116 [ 35.117841][ T770] ? netdev_notice+0x120/0x120 [ 35.117842][ T770] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 35.117848][ T770] ? __module_address+0x36/0x330 [ 35.117851][ T770] ? lock_acquire+0x13c/0x160 [ 35.117852][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117854][ T770] ? lock_release+0x184/0x1f0 [ 35.117856][ T770] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 35.117859][ T770] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 35.117862][ T770] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 35.117865][ T770] ? lock_acquire+0x13c/0x160 [ 35.117866][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117868][ T770] ? lock_release+0x184/0x1f0 [ 35.117870][ T770] ovpn_peer_remove+0x394/0x640 [ovpn] [ 35.117873][ T770] ? do_raw_spin_lock+0x131/0x280 [ 35.117874][ T770] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 35.117877][ T770] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 35.117880][ T770] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 35.117883][ T770] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 35.117886][ T770] ? trace_hardirqs_on+0x36/0x40 [ 35.117889][ T770] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.117891][ T770] ? ref_tracker_alloc+0x28d/0x430 [ 35.117896][ T770] ? lock_release+0x184/0x1f0 [ 35.117897][ T770] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 35.117901][ T770] genl_family_rcv_msg_doit+0x206/0x300 [ 35.117905][ T770] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 35.117907][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117909][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117911][ T770] ? cap_capable+0x1d7/0x3d0 [ 35.117915][ T770] ? write_profile+0xf0/0xf0 [ 35.117916][ T770] ? unwind_get_return_address+0x67/0xd0 [ 35.117918][ T770] genl_family_rcv_msg+0x3a4/0x640 [ 35.117920][ T770] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 35.117922][ T770] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 35.117924][ T770] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.117926][ T770] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 35.117929][ T770] ? filter_irq_stacks+0xd0/0xd0 [ 35.117930][ T770] ? stack_depot_save_flags+0x1bc/0x790 [ 35.117932][ T770] genl_rcv_msg+0xbb/0x160 [ 35.117934][ T770] netlink_rcv_skb+0x14e/0x3a0 [ 35.117936][ T770] ? genl_family_rcv_msg+0x640/0x640 [ 35.117938][ T770] ? netlink_ack+0xcf0/0xcf0 [ 35.117941][ T770] ? lock_acquire+0x13c/0x160 [ 35.117942][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117944][ T770] ? lock_release+0x184/0x1f0 [ 35.117946][ T770] genl_rcv+0x28/0x40 [ 35.117948][ T770] netlink_unicast+0x486/0x750 [ 35.117950][ T770] ? netlink_attachskb+0x810/0x810 [ 35.117952][ T770] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.117953][ T770] ? trace_hardirqs_on+0x36/0x40 [ 35.117954][ T770] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 35.117958][ T770] netlink_sendmsg+0x735/0xc60 [ 35.117960][ T770] ? netlink_unicast+0x750/0x750 [ 35.117962][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117964][ T770] ? lock_release+0x184/0x1f0 [ 35.117966][ T770] ____sys_sendmsg+0x415/0x880 [ 35.117969][ T770] ? copy_msghdr_from_user+0x279/0x420 [ 35.117971][ T770] ? get_timestamp.constprop.0+0x390/0x390 [ 35.117972][ T770] ? move_addr_to_kernel+0x40/0x40 [ 35.117975][ T770] ___sys_sendmsg+0x14e/0x1d0 [ 35.117977][ T770] ? copy_msghdr_from_user+0x420/0x420 [ 35.117978][ T770] ? kfree+0x22/0x590 [ 35.117983][ T770] __sys_sendmsg+0x12c/0x1d0 [ 35.117985][ T770] ? __sys_sendmsg_sock+0x20/0x20 [ 35.117988][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117990][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.117992][ T770] do_syscall_64+0xff/0x530 [ 35.117995][ T770] ? exc_page_fault+0xee/0x100 [ 35.117996][ T770] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.117998][ T770] RIP: 0033:0x7f7a127e854e [ 35.118000][ T770] 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 [ 35.118002][ T770] RSP: 002b:00007ffced633ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.118005][ T770] RAX: ffffffffffffffda RBX: 000000000b132130 RCX: 00007f7a127e854e [ 35.118006][ T770] RDX: 0000000000000000 RSI: 00007ffced634090 RDI: 0000000000000005 [ 35.118007][ T770] RBP: 00007ffced634000 R08: 0000000000000000 R09: 0000000000000000 [ 35.118008][ T770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000b132200 [ 35.118009][ T770] R13: 00007ffced634090 R14: 000000000b133260 R15: 000000000040bda8 [ 35.118013][ T770] [ 35.196571][ T774] tun2: deleting peer with id 11, reason 1 [ 40.941546][ T57] tun0: deleting peer with id 4, reason 2 [ 40.941566][ T57] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.941569][ T57] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 57, name: kworker/2:1 [ 40.941571][ T57] preempt_count: 202, expected: 0 [ 40.941572][ T57] RCU nest depth: 0, expected: 0 [ 40.941573][ T57] INFO: lockdep is turned off. [ 40.941574][ T57] irq event stamp: 23328 [ 40.941574][ T57] hardirqs last enabled at (23327): [] _raw_spin_unlock_irq+0x28/0x50 [ 40.941583][ T57] hardirqs last disabled at (23328): [] __schedule+0x1246/0x20e0 [ 40.941587][ T57] softirqs last enabled at (22580): [] handle_softirqs+0x67c/0x900 [ 40.941590][ T57] softirqs last disabled at (22573): [] __irq_exit_rcu+0x145/0x1c0 [ 40.941592][ T57] Preemption disabled at: [ 40.941593][ T57] [<0000000000000000>] 0x0 [ 40.941600][ T57] CPU: 2 UID: 0 PID: 57 Comm: kworker/2:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.941603][ T57] Tainted: [W]=WARN [ 40.941604][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.941607][ T57] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.941616][ T57] Call Trace: [ 40.941617][ T57] [ 40.941619][ T57] dump_stack_lvl+0x6f/0xa0 [ 40.941625][ T57] __might_resched.cold+0x1fe/0x2c1 [ 40.941629][ T57] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.941632][ T57] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 40.941635][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941638][ T57] __kmalloc_noprof+0x443/0x760 [ 40.941642][ T57] ? __rwlock_init+0x150/0x150 [ 40.941645][ T57] ? alloc_buf.isra.0+0x4b/0x260 [ 40.941648][ T57] ? do_raw_spin_unlock+0x59/0x250 [ 40.941650][ T57] alloc_buf.isra.0+0x4b/0x260 [ 40.941652][ T57] put_chars+0x1e1/0x2f0 [ 40.941654][ T57] ? prb_final_commit+0x50/0x50 [ 40.941655][ T57] ? __send_to_port+0x420/0x420 [ 40.941657][ T57] ? printk_get_next_message+0x240/0x650 [ 40.941660][ T57] hvc_console_print+0x292/0x780 [ 40.941664][ T57] ? hvc_write+0x3a0/0x3a0 [ 40.941665][ T57] ? do_raw_spin_lock+0x131/0x280 [ 40.941667][ T57] ? vsnprintf+0x527/0x1700 [ 40.941669][ T57] ? __rwlock_init+0x150/0x150 [ 40.941670][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941672][ T57] ? lock_acquire+0x13c/0x160 [ 40.941675][ T57] console_emit_next_record+0x22f/0x4c0 [ 40.941677][ T57] ? devkmsg_read+0x4b0/0x4b0 [ 40.941679][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941681][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941682][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941684][ T57] ? lock_acquire+0x13c/0x160 [ 40.941686][ T57] ? console_flush_one_record+0x111/0x710 [ 40.941687][ T57] console_flush_one_record+0x46f/0x710 [ 40.941690][ T57] ? console_emit_next_record+0x4c0/0x4c0 [ 40.941692][ T57] console_unlock+0xee/0x1f0 [ 40.941694][ T57] ? lock_acquire+0x13c/0x160 [ 40.941696][ T57] ? console_flush_one_record+0x710/0x710 [ 40.941697][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941699][ T57] ? lock_release+0x184/0x1f0 [ 40.941700][ T57] ? lock_acquire+0x60/0x160 [ 40.941702][ T57] ? __rcu_read_lock+0x30/0x70 [ 40.941704][ T57] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.941705][ T57] ? vprintk_emit+0x320/0x3e0 [ 40.941707][ T57] vprintk_emit+0x37c/0x3e0 [ 40.941710][ T57] ? wake_up_klogd_work_func+0x90/0x90 [ 40.941712][ T57] ? arch_stack_walk+0xd7/0x130 [ 40.941715][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941717][ T57] _printk+0xc7/0x100 [ 40.941720][ T57] ? snapshot_read.cold+0x21/0x21 [ 40.941722][ T57] ? __add_to_free_list+0x81/0x5c0 [ 40.941724][ T57] ? __mod_zone_page_state+0xe1/0x190 [ 40.941727][ T57] ? netdev_name+0x43/0x60 [ 40.941729][ T57] ? __netdev_printk+0x17f/0x1d0 [ 40.941731][ T57] netdev_info+0xe2/0x116 [ 40.941732][ T57] ? netdev_notice+0x120/0x120 [ 40.941734][ T57] ? free_pcppages_bulk+0x363/0x6e0 [ 40.941736][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941738][ T57] ? trace_irq_enable.constprop.0+0x30/0x160 [ 40.941741][ T57] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 40.941745][ T57] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 40.941747][ T57] ? __rwlock_init+0x150/0x150 [ 40.941749][ T57] ? lock_acquire+0x13c/0x160 [ 40.941750][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941752][ T57] ovpn_peer_remove+0x394/0x640 [ovpn] [ 40.941756][ T57] ? do_raw_spin_lock+0x131/0x280 [ 40.941757][ T57] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 40.941760][ T57] ? __rwlock_init+0x150/0x150 [ 40.941761][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941763][ T57] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.941764][ T57] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 40.941766][ T57] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 40.941769][ T57] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 40.941771][ T57] ? __rwlock_init+0x150/0x150 [ 40.941773][ T57] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 40.941776][ T57] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 40.941779][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941781][ T57] ? lock_acquire+0x13c/0x160 [ 40.941782][ T57] ? rcu_is_watching+0x16/0xd0 [ 40.941784][ T57] process_one_work+0xe3e/0x1560 [ 40.941789][ T57] ? __queue_delayed_work+0x470/0x470 [ 40.941790][ T57] ? find_held_lock+0x2b/0x80 [ 40.941792][ T57] ? __rwlock_init+0x150/0x150 [ 40.941795][ T57] worker_thread+0x4f1/0xd60 [ 40.941797][ T57] ? rescuer_thread+0x1340/0x1340 [ 40.941799][ T57] ? __kthread_parkme+0xbd/0x210 [ 40.941801][ T57] ? rescuer_thread+0x1340/0x1340 [ 40.941803][ T57] ? rescuer_thread+0x1340/0x1340 [ 40.941804][ T57] kthread+0x367/0x460 [ 40.941806][ T57] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.941807][ T57] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.941809][ T57] ret_from_fork+0x474/0x6b0 [ 40.941811][ T57] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 40.941813][ T57] ? __switch_to+0x5a3/0xe00 [ 40.941816][ T57] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.941817][ T57] ret_from_fork_asm+0x11/0x20 [ 40.941821][ T57] [ 40.960704][ T57] tun0: deleting peer with id 3, reason 2 [ 40.960913][ T57] tun0: deleting peer with id 5, reason 2 [ 40.961155][ T57] tun0: deleting peer with id 6, reason 2 [ 46.060573][ T10] tun3: deleting peer with id 12, reason 2 [ 46.060592][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 46.060594][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 46.060596][ T10] preempt_count: 202, expected: 0 [ 46.060597][ T10] RCU nest depth: 0, expected: 0 [ 46.060598][ T10] INFO: lockdep is turned off. [ 46.060599][ T10] irq event stamp: 8430 [ 46.060600][ T10] hardirqs last enabled at (8429): [] _raw_spin_unlock_irq+0x28/0x50 [ 46.060608][ T10] hardirqs last disabled at (8430): [] __schedule+0x1246/0x20e0 [ 46.060611][ T10] softirqs last enabled at (8092): [] handle_softirqs+0x67c/0x900 [ 46.060614][ T10] softirqs last disabled at (8053): [] do_softirq+0xac/0xe0 [ 46.060616][ T10] Preemption disabled at: [ 46.060617][ T10] [<0000000000000000>] 0x0 [ 46.060624][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 46.060627][ T10] Tainted: [W]=WARN [ 46.060628][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.060630][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 46.060638][ T10] Call Trace: [ 46.060639][ T10] [ 46.060641][ T10] dump_stack_lvl+0x6f/0xa0 [ 46.060646][ T10] __might_resched.cold+0x1fe/0x2c1 [ 46.060650][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 46.060653][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 46.060655][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060659][ T10] __kmalloc_noprof+0x443/0x760 [ 46.060662][ T10] ? __rwlock_init+0x150/0x150 [ 46.060665][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 46.060669][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 46.060670][ T10] alloc_buf.isra.0+0x4b/0x260 [ 46.060672][ T10] put_chars+0x1e1/0x2f0 [ 46.060674][ T10] ? prb_final_commit+0x50/0x50 [ 46.060676][ T10] ? __send_to_port+0x420/0x420 [ 46.060677][ T10] ? printk_get_next_message+0x240/0x650 [ 46.060680][ T10] hvc_console_print+0x292/0x780 [ 46.060684][ T10] ? hvc_write+0x3a0/0x3a0 [ 46.060686][ T10] ? do_raw_spin_lock+0x131/0x280 [ 46.060687][ T10] ? vsnprintf+0x527/0x1700 [ 46.060689][ T10] ? __rwlock_init+0x150/0x150 [ 46.060691][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060692][ T10] ? lock_acquire+0x13c/0x160 [ 46.060694][ T10] console_emit_next_record+0x22f/0x4c0 [ 46.060697][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 46.060699][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060701][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060703][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060704][ T10] ? lock_acquire+0x13c/0x160 [ 46.060706][ T10] ? console_flush_one_record+0x111/0x710 [ 46.060708][ T10] console_flush_one_record+0x46f/0x710 [ 46.060710][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 46.060713][ T10] console_unlock+0xee/0x1f0 [ 46.060714][ T10] ? lock_acquire+0x13c/0x160 [ 46.060716][ T10] ? console_flush_one_record+0x710/0x710 [ 46.060717][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060719][ T10] ? lock_release+0x184/0x1f0 [ 46.060720][ T10] ? lock_acquire+0x60/0x160 [ 46.060722][ T10] ? __rcu_read_lock+0x30/0x70 [ 46.060724][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 46.060725][ T10] ? vprintk_emit+0x320/0x3e0 [ 46.060727][ T10] vprintk_emit+0x37c/0x3e0 [ 46.060729][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 46.060731][ T10] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 46.060733][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060734][ T10] ? trace_sched_wakeup+0x9b/0x160 [ 46.060737][ T10] _printk+0xc7/0x100 [ 46.060739][ T10] ? snapshot_read.cold+0x21/0x21 [ 46.060741][ T10] ? try_to_wake_up+0x153/0x1130 [ 46.060743][ T10] ? select_fallback_rq+0x510/0x510 [ 46.060744][ T10] ? netdev_name+0x43/0x60 [ 46.060747][ T10] ? __netdev_printk+0x17f/0x1d0 [ 46.060748][ T10] netdev_info+0xe2/0x116 [ 46.060750][ T10] ? netdev_notice+0x120/0x120 [ 46.060752][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060754][ T10] ? __queue_work+0x3ab/0xd30 [ 46.060756][ T10] ? kthread+0x367/0x460 [ 46.060759][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 46.060762][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 46.060765][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 46.060768][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060769][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 46.060771][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 46.060775][ T10] ? do_raw_spin_lock+0x131/0x280 [ 46.060776][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 46.060779][ T10] ? __rwlock_init+0x150/0x150 [ 46.060780][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060782][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 46.060783][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 46.060785][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 46.060787][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 46.060790][ T10] ? __rwlock_init+0x150/0x150 [ 46.060792][ T10] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 46.060795][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 46.060798][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060799][ T10] ? lock_acquire+0x13c/0x160 [ 46.060801][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.060803][ T10] ? process_one_work+0xdfc/0x1560 [ 46.060805][ T10] process_one_work+0xe3e/0x1560 [ 46.060807][ T10] ? __queue_delayed_work+0x470/0x470 [ 46.060809][ T10] ? find_held_lock+0x2b/0x80 [ 46.060811][ T10] ? __rwlock_init+0x150/0x150 [ 46.060813][ T10] worker_thread+0x4f1/0xd60 [ 46.060815][ T10] ? rescuer_thread+0x1340/0x1340 [ 46.060817][ T10] ? __kthread_parkme+0xbd/0x210 [ 46.060819][ T10] ? rescuer_thread+0x1340/0x1340 [ 46.060820][ T10] ? rescuer_thread+0x1340/0x1340 [ 46.060822][ T10] kthread+0x367/0x460 [ 46.060823][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 46.060824][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 46.060826][ T10] ret_from_fork+0x474/0x6b0 [ 46.060829][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 46.060831][ T10] ? __switch_to+0x5a3/0xe00 [ 46.060833][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 46.060835][ T10] ret_from_fork_asm+0x11/0x20 [ 46.060838][ T10] [ 46.124574][ T75] tun5: deleting peer with id 14, reason 2 [ 46.125040][ T34] tun4: deleting peer with id 13, reason 2 [ 46.188549][ T10] tun6: deleting peer with id 15, reason 2