[ 15.133332][ T301] ip (301) used greatest stack depth: 24032 bytes left [ 15.133348][ T301] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.133350][ T301] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 301, name: ip [ 15.133351][ T301] preempt_count: 2, expected: 0 [ 15.133352][ T301] RCU nest depth: 0, expected: 0 [ 15.133353][ T301] locks held by ip/301: 5, last CPU#0: [ 15.133355][ T301] #0: ffffffff95c127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.133365][ T301] #1: ffffffff95d79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.133371][ T301] #2: ffffffff95d79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.133375][ T301] #3: ffffffff95c99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.133379][ T301] #4: ffffffff95c99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.133382][ T301] irq event stamp: 43958 [ 15.133383][ T301] hardirqs last enabled at (43957): [] __down_trylock_console_sem+0x86/0xa0 [ 15.133386][ T301] hardirqs last disabled at (43958): [] console_emit_next_record+0x3d4/0x4c0 [ 15.133388][ T301] softirqs last enabled at (43688): [] handle_softirqs+0x67c/0x900 [ 15.133390][ T301] softirqs last disabled at (43683): [] __irq_exit_rcu+0x145/0x1c0 [ 15.133392][ T301] Preemption disabled at: [ 15.133392][ T301] [<0000000000000000>] 0x0 [ 15.133403][ T301] CPU: 0 UID: 0 PID: 301 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.133406][ T301] Tainted: [W]=WARN [ 15.133407][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.133409][ T301] Call Trace: [ 15.133411][ T301] [ 15.133412][ T301] dump_stack_lvl+0x6f/0xa0 [ 15.133418][ T301] __might_resched.cold+0x1fe/0x2c1 [ 15.133423][ T301] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.133427][ T301] ? __kmalloc_noprof+0xdb/0x760 [ 15.133432][ T301] __kmalloc_noprof+0x443/0x760 [ 15.133434][ T301] ? alloc_buf.isra.0+0x4b/0x260 [ 15.133440][ T301] ? do_raw_spin_unlock+0x59/0x250 [ 15.133443][ T301] alloc_buf.isra.0+0x4b/0x260 [ 15.133446][ T301] put_chars+0x1e1/0x2f0 [ 15.133449][ T301] ? __send_to_port+0x420/0x420 [ 15.133450][ T301] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.133455][ T301] ? validate_chain+0x38b/0xc20 [ 15.133460][ T301] hvc_console_print+0x292/0x780 [ 15.133466][ T301] ? hvc_write+0x3a0/0x3a0 [ 15.133469][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.133471][ T301] ? lock_acquire+0x13c/0x160 [ 15.133475][ T301] console_emit_next_record+0x22f/0x4c0 [ 15.133479][ T301] ? devkmsg_read+0x4b0/0x4b0 [ 15.133480][ T301] ? console_flush_one_record+0x106/0x710 [ 15.133483][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.133486][ T301] ? lock_acquire+0x13c/0x160 [ 15.133489][ T301] console_flush_one_record+0x46f/0x710 [ 15.133493][ T301] ? console_emit_next_record+0x4c0/0x4c0 [ 15.133495][ T301] ? __lock_acquire+0x518/0xc20 [ 15.133500][ T301] console_unlock+0xee/0x1f0 [ 15.133503][ T301] ? console_flush_one_record+0x710/0x710 [ 15.133504][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.133507][ T301] ? lock_acquire+0x60/0x160 [ 15.133510][ T301] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.133512][ T301] ? vprintk_emit+0x320/0x3e0 [ 15.133515][ T301] vprintk_emit+0x37c/0x3e0 [ 15.133518][ T301] ? wake_up_klogd_work_func+0x90/0x90 [ 15.133522][ T301] ? __lock_acquire+0x518/0xc20 [ 15.133525][ T301] _printk+0xc7/0x100 [ 15.133529][ T301] ? snapshot_read.cold+0x21/0x21 [ 15.133531][ T301] ? do_raw_spin_lock+0x131/0x280 [ 15.133534][ T301] ? __rwlock_init+0x150/0x150 [ 15.133537][ T301] ? do_raw_spin_lock+0x131/0x280 [ 15.133540][ T301] do_exit.cold+0x82/0x9c [ 15.133544][ T301] ? exit_notify+0x890/0x890 [ 15.133545][ T301] ? __lock_release.isra.0+0x69/0x1a0 [ 15.133548][ T301] ? rcu_is_watching+0x16/0xd0 [ 15.133551][ T301] do_group_exit+0xb8/0x370 [ 15.133554][ T301] __x64_sys_exit_group+0x3c/0x50 [ 15.133556][ T301] x64_sys_call+0x1567/0x1570 [ 15.133559][ T301] do_syscall_64+0xff/0x530 [ 15.133562][ T301] ? exc_page_fault+0xee/0x100 [ 15.133565][ T301] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.133567][ T301] RIP: 0033:0x7f2a052951b8 [ 15.133570][ T301] Code: Unable to access opcode bytes at 0x7f2a0529518e. [ 15.133571][ T301] RSP: 002b:00007ffd6d998248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.133573][ T301] RAX: ffffffffffffffda RBX: 00007f2a053c5f88 RCX: 00007f2a052951b8 [ 15.133575][ T301] RDX: 00007f2a04fdffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.133576][ T301] RBP: 00007ffd6d9982a0 R08: 0000000000000000 R09: 0000000000000000 [ 15.133576][ T301] R10: 00007ffd6d998060 R11: 0000000000000246 R12: 0000000000000001 [ 15.133577][ T301] R13: 0000000000000000 R14: 00007f2a053c4680 R15: 00007f2a053c5fa0 [ 15.133584][ T301] [ 22.947272][ C1] tun0: no available key for peer 4, key-id: 0 [ 22.947308][ C1] [ 22.947309][ C1] ======================================================== [ 22.947310][ C1] WARNING: possible irq lock inversion dependency detected [ 22.947312][ C1] 7.2.0-virtme #1 Tainted: G W [ 22.947314][ C1] -------------------------------------------------------- [ 22.947314][ C1] kworker/u16:0/12 just changed the state of lock: [ 22.947316][ C1] ffffffff95c99660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.947328][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 22.947330][ C1] (fs_reclaim){+.+.}-{0:0} [ 22.947331][ C1] [ 22.947331][ C1] [ 22.947331][ C1] and interrupts could create inverse lock ordering between them. [ 22.947331][ C1] [ 22.947332][ C1] [ 22.947332][ C1] other info that might help us debug this: [ 22.947333][ C1] Possible interrupt unsafe locking scenario: [ 22.947333][ C1] [ 22.947333][ C1] CPU0 CPU1 [ 22.947334][ C1] ---- ---- [ 22.947334][ C1] lock(fs_reclaim); [ 22.947335][ C1] local_irq_disable(); [ 22.947336][ C1] lock(console_owner); [ 22.947336][ C1] lock(fs_reclaim); [ 22.947337][ C1] [ 22.947338][ C1] lock(console_owner); [ 22.947339][ C1] [ 22.947339][ C1] *** DEADLOCK *** [ 22.947339][ C1] [ 22.947339][ C1] locks held by kworker/u16:0/12: 11, last CPU#1: [ 22.947340][ C1] #0: ff11000008db1d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 22.947345][ C1] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 22.947348][ C1] #2: ffffffff964e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 22.947354][ C1] #3: ffffffff95d90b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 22.947357][ C1] #4: ffffffff95d90b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 22.947360][ C1] #5: ffffffff95d90b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 22.947365][ C1] #6: ffffffff95d90b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 22.947369][ C1] #7: ff1100000cfa6e18 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 22.947374][ C1] #8: ffffffff95d90b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 22.947380][ C1] #9: ffffffff95d79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.947384][ C1] #10: ffffffff95d79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.947387][ C1] [ 22.947387][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 22.947392][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 22.947394][ C1] HARDIRQ-ON-W at: [ 22.947395][ C1] __lock_acquire+0x388/0xc20 [ 22.947398][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947400][ C1] fs_reclaim_acquire+0xd5/0x120 [ 22.947402][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 22.947405][ C1] kthread_create_worker_on_node+0xea/0x210 [ 22.947407][ C1] workqueue_init+0x2a/0x680 [ 22.947411][ C1] kernel_init_freeable+0x2fe/0x630 [ 22.947414][ C1] kernel_init+0x21/0x150 [ 22.947416][ C1] ret_from_fork+0x474/0x6b0 [ 22.947419][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947422][ C1] SOFTIRQ-ON-W at: [ 22.947422][ C1] __lock_acquire+0x388/0xc20 [ 22.947424][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947425][ C1] fs_reclaim_acquire+0xd5/0x120 [ 22.947426][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 22.947427][ C1] kthread_create_worker_on_node+0xea/0x210 [ 22.947429][ C1] workqueue_init+0x2a/0x680 [ 22.947430][ C1] kernel_init_freeable+0x2fe/0x630 [ 22.947431][ C1] kernel_init+0x21/0x150 [ 22.947433][ C1] ret_from_fork+0x474/0x6b0 [ 22.947434][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947435][ C1] INITIAL USE at: [ 22.947436][ C1] __lock_acquire+0x388/0xc20 [ 22.947437][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947438][ C1] fs_reclaim_acquire+0xd5/0x120 [ 22.947440][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 22.947441][ C1] kthread_create_worker_on_node+0xea/0x210 [ 22.947442][ C1] workqueue_init+0x2a/0x680 [ 22.947443][ C1] kernel_init_freeable+0x2fe/0x630 [ 22.947445][ C1] kernel_init+0x21/0x150 [ 22.947446][ C1] ret_from_fork+0x474/0x6b0 [ 22.947447][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947448][ C1] } [ 22.947449][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 22.947456][ C1] ... acquired at: [ 22.947457][ C1] __lock_acquire+0x518/0xc20 [ 22.947459][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947460][ C1] fs_reclaim_acquire+0xd5/0x120 [ 22.947461][ C1] __kmalloc_noprof+0xd3/0x760 [ 22.947462][ C1] alloc_buf.isra.0+0x4b/0x260 [ 22.947465][ C1] put_chars+0x1e1/0x2f0 [ 22.947467][ C1] hvc_console_print+0x292/0x780 [ 22.947469][ C1] console_emit_next_record+0x22f/0x4c0 [ 22.947470][ C1] console_flush_one_record+0x46f/0x710 [ 22.947472][ C1] console_unlock+0xee/0x1f0 [ 22.947474][ C1] vprintk_emit+0x37c/0x3e0 [ 22.947475][ C1] dev_vprintk_emit+0x27f/0x2c0 [ 22.947478][ C1] dev_printk_emit+0xb9/0xee [ 22.947480][ C1] _dev_info+0xe2/0x116 [ 22.947482][ C1] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 22.947484][ C1] cmos_do_probe+0x73b/0x98a [ 22.947485][ C1] platform_probe+0xfe/0x1f0 [ 22.947488][ C1] call_driver_probe+0x61/0x1c0 [ 22.947490][ C1] really_probe+0x199/0x760 [ 22.947492][ C1] __driver_probe_device+0x24f/0x440 [ 22.947493][ C1] driver_probe_device+0x4a/0xf0 [ 22.947495][ C1] __driver_attach+0x1b8/0x540 [ 22.947496][ C1] bus_for_each_dev+0x130/0x1e0 [ 22.947498][ C1] bus_add_driver+0x2c8/0x530 [ 22.947499][ C1] driver_register+0x1a3/0x390 [ 22.947501][ C1] __platform_driver_probe+0x13f/0x270 [ 22.947502][ C1] cmos_init+0x31/0x40 [ 22.947504][ C1] do_one_initcall+0x124/0x4f0 [ 22.947506][ C1] kernel_init_freeable+0x596/0x630 [ 22.947508][ C1] kernel_init+0x21/0x150 [ 22.947509][ C1] ret_from_fork+0x474/0x6b0 [ 22.947510][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947511][ C1] [ 22.947511][ C1] -> (console_owner){..-.}-{0:0} { [ 22.947513][ C1] IN-SOFTIRQ-W at: [ 22.947514][ C1] __lock_acquire+0x388/0xc20 [ 22.947515][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947517][ C1] console_lock_spinning_enable+0x5c/0x60 [ 22.947518][ C1] console_emit_next_record+0x1d1/0x4c0 [ 22.947520][ C1] console_flush_one_record+0x46f/0x710 [ 22.947521][ C1] console_unlock+0xee/0x1f0 [ 22.947523][ C1] vprintk_emit+0x37c/0x3e0 [ 22.947524][ C1] _printk+0xc7/0x100 [ 22.947527][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.947530][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.947533][ C1] __strp_recv+0x20f/0x1c20 [ 22.947535][ C1] __tcp_read_sock+0x1c7/0x850 [ 22.947538][ C1] strp_read_sock+0x20f/0x2b0 [ 22.947540][ C1] strp_data_ready+0x18e/0x2c0 [ 22.947541][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.947544][ C1] tcp_data_queue+0xd25/0x1fb0 [ 22.947545][ C1] tcp_rcv_established+0x66d/0x3910 [ 22.947547][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.947549][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 22.947550][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 22.947551][ C1] ip_local_deliver_finish+0x36f/0x610 [ 22.947553][ C1] ip_local_deliver+0x184/0x4c0 [ 22.947554][ C1] ip_rcv+0xdc/0x3d0 [ 22.947555][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 22.947557][ C1] process_backlog+0x431/0x14c0 [ 22.947559][ C1] __napi_poll+0xa7/0x3b0 [ 22.947560][ C1] net_rx_action+0x513/0xf50 [ 22.947562][ C1] handle_softirqs+0x1d3/0x900 [ 22.947564][ C1] do_softirq+0xac/0xe0 [ 22.947565][ C1] __local_bh_enable_ip+0x118/0x150 [ 22.947566][ C1] __dev_queue_xmit+0x979/0x1b80 [ 22.947568][ C1] ip6_finish_output2+0x423/0x12a0 [ 22.947569][ C1] ip6_finish_output+0x646/0xda0 [ 22.947570][ C1] ip6_output+0x23f/0x7f0 [ 22.947572][ C1] ndisc_send_skb+0xba3/0x1520 [ 22.947573][ C1] addrconf_dad_completed+0x37e/0xe10 [ 22.947575][ C1] addrconf_dad_begin+0x2e1/0x540 [ 22.947576][ C1] addrconf_dad_work+0x170/0x930 [ 22.947578][ C1] process_one_work+0xe3e/0x1560 [ 22.947579][ C1] worker_thread+0x4f1/0xd60 [ 22.947581][ C1] kthread+0x367/0x460 [ 22.947582][ C1] ret_from_fork+0x474/0x6b0 [ 22.947583][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947584][ C1] INITIAL USE at: [ 22.947585][ C1] } [ 22.947586][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 22.947589][ C1] ... acquired at: [ 22.947590][ C1] mark_lock+0x1d7/0xa00 [ 22.947591][ C1] mark_usage+0x42/0x170 [ 22.947592][ C1] __lock_acquire+0x388/0xc20 [ 22.947594][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947595][ C1] console_lock_spinning_enable+0x5c/0x60 [ 22.947596][ C1] console_emit_next_record+0x1d1/0x4c0 [ 22.947598][ C1] console_flush_one_record+0x46f/0x710 [ 22.947599][ C1] console_unlock+0xee/0x1f0 [ 22.947601][ C1] vprintk_emit+0x37c/0x3e0 [ 22.947602][ C1] _printk+0xc7/0x100 [ 22.947604][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.947606][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.947608][ C1] __strp_recv+0x20f/0x1c20 [ 22.947610][ C1] __tcp_read_sock+0x1c7/0x850 [ 22.947611][ C1] strp_read_sock+0x20f/0x2b0 [ 22.947612][ C1] strp_data_ready+0x18e/0x2c0 [ 22.947614][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.947616][ C1] tcp_data_queue+0xd25/0x1fb0 [ 22.947618][ C1] tcp_rcv_established+0x66d/0x3910 [ 22.947619][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.947621][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 22.947622][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 22.947623][ C1] ip_local_deliver_finish+0x36f/0x610 [ 22.947624][ C1] ip_local_deliver+0x184/0x4c0 [ 22.947626][ C1] ip_rcv+0xdc/0x3d0 [ 22.947627][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 22.947628][ C1] process_backlog+0x431/0x14c0 [ 22.947630][ C1] __napi_poll+0xa7/0x3b0 [ 22.947632][ C1] net_rx_action+0x513/0xf50 [ 22.947633][ C1] handle_softirqs+0x1d3/0x900 [ 22.947634][ C1] do_softirq+0xac/0xe0 [ 22.947635][ C1] __local_bh_enable_ip+0x118/0x150 [ 22.947636][ C1] __dev_queue_xmit+0x979/0x1b80 [ 22.947638][ C1] ip6_finish_output2+0x423/0x12a0 [ 22.947639][ C1] ip6_finish_output+0x646/0xda0 [ 22.947640][ C1] ip6_output+0x23f/0x7f0 [ 22.947642][ C1] ndisc_send_skb+0xba3/0x1520 [ 22.947643][ C1] addrconf_dad_completed+0x37e/0xe10 [ 22.947644][ C1] addrconf_dad_begin+0x2e1/0x540 [ 22.947646][ C1] addrconf_dad_work+0x170/0x930 [ 22.947647][ C1] process_one_work+0xe3e/0x1560 [ 22.947649][ C1] worker_thread+0x4f1/0xd60 [ 22.947650][ C1] kthread+0x367/0x460 [ 22.947651][ C1] ret_from_fork+0x474/0x6b0 [ 22.947652][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947654][ C1] [ 22.947654][ C1] [ 22.947654][ C1] stack backtrace: [ 22.947657][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.947660][ C1] Tainted: [W]=WARN [ 22.947661][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.947662][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.947665][ C1] Call Trace: [ 22.947667][ C1] [ 22.947668][ C1] dump_stack_lvl+0x6f/0xa0 [ 22.947672][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 22.947674][ C1] mark_lock_irq+0x989/0x9c0 [ 22.947676][ C1] ? add_lock_to_list+0x2c/0x1a0 [ 22.947678][ C1] mark_lock+0x1d7/0xa00 [ 22.947680][ C1] mark_usage+0x42/0x170 [ 22.947682][ C1] __lock_acquire+0x388/0xc20 [ 22.947684][ C1] lock_acquire.part.0+0xd4/0x280 [ 22.947685][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 22.947687][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947690][ C1] ? lock_acquire+0x13c/0x160 [ 22.947692][ C1] console_lock_spinning_enable+0x5c/0x60 [ 22.947694][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 22.947695][ C1] console_emit_next_record+0x1d1/0x4c0 [ 22.947697][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 22.947699][ C1] ? console_flush_one_record+0x106/0x710 [ 22.947701][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947703][ C1] ? lock_acquire+0x13c/0x160 [ 22.947704][ C1] console_flush_one_record+0x46f/0x710 [ 22.947707][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 22.947708][ C1] ? __lock_acquire+0x518/0xc20 [ 22.947710][ C1] console_unlock+0xee/0x1f0 [ 22.947712][ C1] ? console_flush_one_record+0x710/0x710 [ 22.947714][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947715][ C1] ? lock_acquire+0x60/0x160 [ 22.947717][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.947719][ C1] ? vprintk_emit+0x320/0x3e0 [ 22.947721][ C1] vprintk_emit+0x37c/0x3e0 [ 22.947723][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 22.947725][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.947727][ C1] _printk+0xc7/0x100 [ 22.947728][ C1] ? snapshot_read.cold+0x21/0x21 [ 22.947730][ C1] ? ___ratelimit+0x4e7/0xa00 [ 22.947733][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.947736][ C1] ? idr_get_free+0x830/0x830 [ 22.947738][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.947741][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.947744][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.947747][ C1] ? __copy_skb_header+0xb7/0x510 [ 22.947750][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.947752][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 22.947754][ C1] __strp_recv+0x20f/0x1c20 [ 22.947757][ C1] ? dequeue_hierarchy+0x70c/0xd60 [ 22.947760][ C1] __tcp_read_sock+0x1c7/0x850 [ 22.947761][ C1] ? strp_process+0xb0/0xb0 [ 22.947763][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.947765][ C1] ? mark_usage+0x61/0x170 [ 22.947767][ C1] strp_read_sock+0x20f/0x2b0 [ 22.947769][ C1] ? strp_stop+0x50/0x50 [ 22.947771][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947773][ C1] ? lock_acquire+0x13c/0x160 [ 22.947774][ C1] strp_data_ready+0x18e/0x2c0 [ 22.947776][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.947779][ C1] tcp_data_queue+0xd25/0x1fb0 [ 22.947782][ C1] ? tcp_data_ready+0x4a0/0x4a0 [ 22.947783][ C1] ? tcp_send_dupack+0xc40/0xc40 [ 22.947785][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 22.947787][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 22.947788][ C1] ? ktime_get+0x18e/0x2d0 [ 22.947791][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 22.947794][ C1] tcp_rcv_established+0x66d/0x3910 [ 22.947796][ C1] ? down_read_nested+0x100/0x500 [ 22.947798][ C1] ? __tcp_check_space+0x600/0x600 [ 22.947799][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.947801][ C1] ? do_raw_spin_lock+0x131/0x280 [ 22.947803][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.947805][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 22.947808][ C1] ? mark_usage+0x61/0x170 [ 22.947809][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.947812][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.947813][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.947815][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 22.947817][ C1] ? process_backlog+0x3f1/0x14c0 [ 22.947819][ C1] ip_local_deliver_finish+0x36f/0x610 [ 22.947820][ C1] ip_local_deliver+0x184/0x4c0 [ 22.947822][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 22.947824][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.947826][ C1] ? process_backlog+0x3f1/0x14c0 [ 22.947828][ C1] ip_rcv+0xdc/0x3d0 [ 22.947829][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 22.947831][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.947833][ C1] ? mark_usage+0x61/0x170 [ 22.947834][ C1] ? __lock_acquire+0x518/0xc20 [ 22.947835][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.947838][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 22.947840][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.947841][ C1] ? process_backlog+0x3f1/0x14c0 [ 22.947843][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.947845][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947847][ C1] process_backlog+0x431/0x14c0 [ 22.947850][ C1] __napi_poll+0xa7/0x3b0 [ 22.947852][ C1] net_rx_action+0x513/0xf50 [ 22.947854][ C1] ? __lock_acquire+0x518/0xc20 [ 22.947856][ C1] ? __napi_poll+0x3b0/0x3b0 [ 22.947859][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.947861][ C1] ? mark_held_locks+0x40/0x70 [ 22.947863][ C1] handle_softirqs+0x1d3/0x900 [ 22.947865][ C1] ? _local_bh_enable+0xc0/0xc0 [ 22.947866][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 22.947868][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947869][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 22.947871][ C1] do_softirq+0xac/0xe0 [ 22.947876][ C1] [ 22.947877][ C1] [ 22.947877][ C1] __local_bh_enable_ip+0x118/0x150 [ 22.947879][ C1] __dev_queue_xmit+0x979/0x1b80 [ 22.947881][ C1] ? __lock_acquire+0x518/0xc20 [ 22.947882][ C1] ? do_ipv6_getsockopt+0x1a31/0x2e80 [ 22.947884][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.947886][ C1] ? find_held_lock+0x2b/0x80 [ 22.947888][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.947889][ C1] ? __rwlock_init+0x150/0x150 [ 22.947891][ C1] ? mark_held_locks+0x40/0x70 [ 22.947892][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 22.947893][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.947895][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.947896][ C1] ? ___neigh_create+0x811/0x1070 [ 22.947899][ C1] ip6_finish_output2+0x423/0x12a0 [ 22.947901][ C1] ? ip6_dst_lookup+0x80/0x80 [ 22.947902][ C1] ? find_held_lock+0x2b/0x80 [ 22.947904][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.947906][ C1] ? ip6_mtu+0x15d/0x310 [ 22.947908][ C1] ip6_finish_output+0x646/0xda0 [ 22.947910][ C1] ip6_output+0x23f/0x7f0 [ 22.947911][ C1] ? ip6_finish_output+0xda0/0xda0 [ 22.947913][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.947914][ C1] ? find_held_lock+0x2b/0x80 [ 22.947916][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.947917][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.947919][ C1] ndisc_send_skb+0xba3/0x1520 [ 22.947921][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 22.947923][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 22.947924][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.947926][ C1] addrconf_dad_completed+0x37e/0xe10 [ 22.947928][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.947929][ C1] ? addrconf_rs_timer+0x770/0x770 [ 22.947931][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.947933][ C1] ? __rwlock_init+0x150/0x150 [ 22.947934][ C1] ? mark_held_locks+0x40/0x70 [ 22.947936][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 22.947938][ C1] addrconf_dad_begin+0x2e1/0x540 [ 22.947939][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.947941][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 22.947943][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.947944][ C1] ? __rwlock_init+0x150/0x150 [ 22.947946][ C1] ? mark_held_locks+0x40/0x70 [ 22.947948][ C1] addrconf_dad_work+0x170/0x930 [ 22.947950][ C1] ? addrconf_dad_begin+0x540/0x540 [ 22.947952][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947953][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947955][ C1] ? lock_acquire+0x13c/0x160 [ 22.947956][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.947958][ C1] process_one_work+0xe3e/0x1560 [ 22.947961][ C1] ? __queue_delayed_work+0x470/0x470 [ 22.947963][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.947966][ C1] worker_thread+0x4f1/0xd60 [ 22.947968][ C1] ? rescuer_thread+0x1340/0x1340 [ 22.947970][ C1] kthread+0x367/0x460 [ 22.947972][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.947974][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.947976][ C1] ret_from_fork+0x474/0x6b0 [ 22.947977][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.947979][ C1] ? __switch_to+0x5a3/0xe00 [ 22.947982][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.947983][ C1] ret_from_fork_asm+0x11/0x20 [ 22.947986][ C1] [ 22.947990][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.947991][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 22.947992][ C1] preempt_count: 103, expected: 0 [ 22.947993][ C1] RCU nest depth: 5, expected: 0 [ 22.947994][ C1] INFO: lockdep is turned off. [ 22.947994][ C1] irq event stamp: 16719 [ 22.947995][ C1] hardirqs last enabled at (16718): [] __down_trylock_console_sem+0x86/0xa0 [ 22.947997][ C1] hardirqs last disabled at (16719): [] console_emit_next_record+0x3d4/0x4c0 [ 22.947999][ C1] softirqs last enabled at (16644): [] __dev_queue_xmit+0x964/0x1b80 [ 22.948001][ C1] softirqs last disabled at (16645): [] do_softirq+0xac/0xe0 [ 22.948002][ C1] Preemption disabled at: [ 22.948003][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 22.948006][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.948008][ C1] Tainted: [W]=WARN [ 22.948008][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.948009][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.948011][ C1] Call Trace: [ 22.948011][ C1] [ 22.948012][ C1] dump_stack_lvl+0x6f/0xa0 [ 22.948014][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 22.948016][ C1] __might_resched.cold+0x1fe/0x2c1 [ 22.948018][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.948021][ C1] ? nbcon_get_cpu_emergency_nesting+0xa/0x30 [ 22.948022][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948024][ C1] __kmalloc_noprof+0x443/0x760 [ 22.948026][ C1] ? __rwlock_init+0x150/0x150 [ 22.948027][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 22.948029][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 22.948031][ C1] alloc_buf.isra.0+0x4b/0x260 [ 22.948033][ C1] put_chars+0x1e1/0x2f0 [ 22.948035][ C1] ? __send_to_port+0x420/0x420 [ 22.948037][ C1] ? mark_lock+0x1d7/0xa00 [ 22.948039][ C1] hvc_console_print+0x292/0x780 [ 22.948041][ C1] ? hvc_write+0x3a0/0x3a0 [ 22.948043][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948044][ C1] ? lock_acquire+0x13c/0x160 [ 22.948046][ C1] console_emit_next_record+0x22f/0x4c0 [ 22.948048][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 22.948050][ C1] ? console_flush_one_record+0x106/0x710 [ 22.948052][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948053][ C1] ? lock_acquire+0x13c/0x160 [ 22.948055][ C1] console_flush_one_record+0x46f/0x710 [ 22.948057][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 22.948059][ C1] ? __lock_acquire+0x518/0xc20 [ 22.948061][ C1] console_unlock+0xee/0x1f0 [ 22.948063][ C1] ? console_flush_one_record+0x710/0x710 [ 22.948065][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948066][ C1] ? lock_acquire+0x60/0x160 [ 22.948068][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.948070][ C1] ? vprintk_emit+0x320/0x3e0 [ 22.948071][ C1] vprintk_emit+0x37c/0x3e0 [ 22.948074][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 22.948075][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.948077][ C1] _printk+0xc7/0x100 [ 22.948079][ C1] ? snapshot_read.cold+0x21/0x21 [ 22.948080][ C1] ? ___ratelimit+0x4e7/0xa00 [ 22.948082][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.948085][ C1] ? idr_get_free+0x830/0x830 [ 22.948087][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.948090][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.948092][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.948095][ C1] ? __copy_skb_header+0xb7/0x510 [ 22.948096][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.948099][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 22.948101][ C1] __strp_recv+0x20f/0x1c20 [ 22.948103][ C1] ? dequeue_hierarchy+0x70c/0xd60 [ 22.948105][ C1] __tcp_read_sock+0x1c7/0x850 [ 22.948107][ C1] ? strp_process+0xb0/0xb0 [ 22.948109][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.948110][ C1] ? mark_usage+0x61/0x170 [ 22.948112][ C1] strp_read_sock+0x20f/0x2b0 [ 22.948114][ C1] ? strp_stop+0x50/0x50 [ 22.948116][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948118][ C1] ? lock_acquire+0x13c/0x160 [ 22.948120][ C1] strp_data_ready+0x18e/0x2c0 [ 22.948122][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.948124][ C1] tcp_data_queue+0xd25/0x1fb0 [ 22.948127][ C1] ? tcp_data_ready+0x4a0/0x4a0 [ 22.948128][ C1] ? tcp_send_dupack+0xc40/0xc40 [ 22.948130][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 22.948132][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 22.948133][ C1] ? ktime_get+0x18e/0x2d0 [ 22.948134][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 22.948136][ C1] tcp_rcv_established+0x66d/0x3910 [ 22.948138][ C1] ? down_read_nested+0x100/0x500 [ 22.948140][ C1] ? __tcp_check_space+0x600/0x600 [ 22.948142][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.948143][ C1] ? do_raw_spin_lock+0x131/0x280 [ 22.948145][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.948147][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 22.948150][ C1] ? mark_usage+0x61/0x170 [ 22.948152][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.948154][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.948155][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.948157][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 22.948159][ C1] ? process_backlog+0x3f1/0x14c0 [ 22.948161][ C1] ip_local_deliver_finish+0x36f/0x610 [ 22.948162][ C1] ip_local_deliver+0x184/0x4c0 [ 22.948164][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 22.948166][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.948168][ C1] ? process_backlog+0x3f1/0x14c0 [ 22.948170][ C1] ip_rcv+0xdc/0x3d0 [ 22.948171][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 22.948173][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.948174][ C1] ? mark_usage+0x61/0x170 [ 22.948176][ C1] ? __lock_acquire+0x518/0xc20 [ 22.948177][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.948179][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 22.948181][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.948183][ C1] ? process_backlog+0x3f1/0x14c0 [ 22.948184][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.948186][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948189][ C1] process_backlog+0x431/0x14c0 [ 22.948191][ C1] __napi_poll+0xa7/0x3b0 [ 22.948193][ C1] net_rx_action+0x513/0xf50 [ 22.948196][ C1] ? __lock_acquire+0x518/0xc20 [ 22.948197][ C1] ? __napi_poll+0x3b0/0x3b0 [ 22.948201][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.948202][ C1] ? mark_held_locks+0x40/0x70 [ 22.948204][ C1] handle_softirqs+0x1d3/0x900 [ 22.948206][ C1] ? _local_bh_enable+0xc0/0xc0 [ 22.948207][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 22.948209][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948211][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 22.948213][ C1] do_softirq+0xac/0xe0 [ 22.948214][ C1] [ 22.948215][ C1] [ 22.948215][ C1] __local_bh_enable_ip+0x118/0x150 [ 22.948217][ C1] __dev_queue_xmit+0x979/0x1b80 [ 22.948219][ C1] ? __lock_acquire+0x518/0xc20 [ 22.948220][ C1] ? do_ipv6_getsockopt+0x1a31/0x2e80 [ 22.948222][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.948224][ C1] ? find_held_lock+0x2b/0x80 [ 22.948225][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.948226][ C1] ? __rwlock_init+0x150/0x150 [ 22.948228][ C1] ? mark_held_locks+0x40/0x70 [ 22.948230][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 22.948231][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.948232][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.948233][ C1] ? ___neigh_create+0x811/0x1070 [ 22.948236][ C1] ip6_finish_output2+0x423/0x12a0 [ 22.948238][ C1] ? ip6_dst_lookup+0x80/0x80 [ 22.948239][ C1] ? find_held_lock+0x2b/0x80 [ 22.948241][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.948242][ C1] ? ip6_mtu+0x15d/0x310 [ 22.948244][ C1] ip6_finish_output+0x646/0xda0 [ 22.948246][ C1] ip6_output+0x23f/0x7f0 [ 22.948248][ C1] ? ip6_finish_output+0xda0/0xda0 [ 22.948249][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.948251][ C1] ? find_held_lock+0x2b/0x80 [ 22.948252][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.948253][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.948255][ C1] ndisc_send_skb+0xba3/0x1520 [ 22.948257][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 22.948259][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 22.948260][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 22.948262][ C1] addrconf_dad_completed+0x37e/0xe10 [ 22.948264][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.948266][ C1] ? addrconf_rs_timer+0x770/0x770 [ 22.948268][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.948269][ C1] ? __rwlock_init+0x150/0x150 [ 22.948271][ C1] ? mark_held_locks+0x40/0x70 [ 22.948272][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 22.948274][ C1] addrconf_dad_begin+0x2e1/0x540 [ 22.948276][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.948277][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 22.948279][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 22.948281][ C1] ? __rwlock_init+0x150/0x150 [ 22.948282][ C1] ? mark_held_locks+0x40/0x70 [ 22.948284][ C1] addrconf_dad_work+0x170/0x930 [ 22.948286][ C1] ? addrconf_dad_begin+0x540/0x540 [ 22.948288][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948290][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948292][ C1] ? lock_acquire+0x13c/0x160 [ 22.948293][ C1] ? rcu_is_watching+0x16/0xd0 [ 22.948295][ C1] process_one_work+0xe3e/0x1560 [ 22.948298][ C1] ? __queue_delayed_work+0x470/0x470 [ 22.948299][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 22.948302][ C1] worker_thread+0x4f1/0xd60 [ 22.948305][ C1] ? rescuer_thread+0x1340/0x1340 [ 22.948307][ C1] kthread+0x367/0x460 [ 22.948308][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.948309][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.948311][ C1] ret_from_fork+0x474/0x6b0 [ 22.948312][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.948314][ C1] ? __switch_to+0x5a3/0xe00 [ 22.948315][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.948317][ C1] ret_from_fork_asm+0x11/0x20 [ 22.948320][ C1] [ 23.125202][ C3] tun0: no available key for peer 5, key-id: 0 [ 23.191072][ C2] tun0: no available key for peer 6, key-id: 0 [ 31.607712][ T624] iperf3 (624) used greatest stack depth: 23128 bytes left [ 31.607729][ T624] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.607732][ T624] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 624, name: iperf3 [ 31.607733][ T624] preempt_count: 2, expected: 0 [ 31.607734][ T624] RCU nest depth: 0, expected: 0 [ 31.607735][ T624] INFO: lockdep is turned off. [ 31.607736][ T624] irq event stamp: 0 [ 31.607737][ T624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.607741][ T624] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 31.607748][ T624] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 31.607749][ T624] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.607751][ T624] Preemption disabled at: [ 31.607752][ T624] [<0000000000000000>] 0x0 [ 31.607757][ T624] CPU: 2 UID: 0 PID: 624 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.607760][ T624] Tainted: [W]=WARN [ 31.607761][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.607763][ T624] Call Trace: [ 31.607764][ T624] [ 31.607766][ T624] dump_stack_lvl+0x6f/0xa0 [ 31.607771][ T624] __might_resched.cold+0x1fe/0x2c1 [ 31.607775][ T624] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.607778][ T624] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 31.607781][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.607785][ T624] __kmalloc_noprof+0x443/0x760 [ 31.607788][ T624] ? __rwlock_init+0x150/0x150 [ 31.607791][ T624] ? alloc_buf.isra.0+0x4b/0x260 [ 31.607794][ T624] ? do_raw_spin_unlock+0x59/0x250 [ 31.607796][ T624] alloc_buf.isra.0+0x4b/0x260 [ 31.607798][ T624] put_chars+0x1e1/0x2f0 [ 31.607800][ T624] ? prb_final_commit+0x50/0x50 [ 31.607801][ T624] ? __send_to_port+0x420/0x420 [ 31.607803][ T624] ? printk_get_next_message+0x240/0x650 [ 31.607806][ T624] hvc_console_print+0x292/0x780 [ 31.607810][ T624] ? hvc_write+0x3a0/0x3a0 [ 31.607811][ T624] ? do_raw_spin_lock+0x131/0x280 [ 31.607813][ T624] ? vsnprintf+0x668/0x1700 [ 31.607815][ T624] ? __rwlock_init+0x150/0x150 [ 31.607817][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.607819][ T624] ? lock_acquire+0x13c/0x160 [ 31.607821][ T624] console_emit_next_record+0x22f/0x4c0 [ 31.607824][ T624] ? devkmsg_read+0x4b0/0x4b0 [ 31.607826][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.607827][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.607829][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.607833][ T624] ? lock_acquire+0x13c/0x160 [ 31.607834][ T624] ? console_flush_one_record+0x111/0x710 [ 31.607836][ T624] console_flush_one_record+0x46f/0x710 [ 31.607838][ T624] ? console_emit_next_record+0x4c0/0x4c0 [ 31.607841][ T624] console_unlock+0xee/0x1f0 [ 31.607843][ T624] ? lock_acquire+0x13c/0x160 [ 31.607844][ T624] ? console_flush_one_record+0x710/0x710 [ 31.607846][ T624] ? rcu_is_watching+0x16/0xd0 [ 31.607848][ T624] ? lock_release+0x184/0x1f0 [ 31.607849][ T624] ? lock_acquire+0x60/0x160 [ 31.607851][ T624] ? __rcu_read_lock+0x30/0x70 [ 31.607853][ T624] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.607854][ T624] ? vprintk_emit+0x320/0x3e0 [ 31.607856][ T624] vprintk_emit+0x37c/0x3e0 [ 31.607859][ T624] ? wake_up_klogd_work_func+0x90/0x90 [ 31.607861][ T624] _printk+0xc7/0x100 [ 31.607864][ T624] ? snapshot_read.cold+0x21/0x21 [ 31.607866][ T624] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.607868][ T624] ? do_raw_spin_lock+0x131/0x280 [ 31.607870][ T624] ? __rwlock_init+0x150/0x150 [ 31.607872][ T624] ? do_raw_spin_lock+0x131/0x280 [ 31.607874][ T624] do_exit.cold+0x82/0x9c [ 31.607876][ T624] ? exit_notify+0x890/0x890 [ 31.607879][ T624] __x64_sys_exit+0x42/0x50 [ 31.607880][ T624] x64_sys_call+0x156c/0x1570 [ 31.607883][ T624] do_syscall_64+0xff/0x530 [ 31.607885][ T624] ? exc_page_fault+0xee/0x100 [ 31.607887][ T624] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.607889][ T624] RIP: 0033:0x7f94894ffc49 [ 31.607891][ T624] Code: Unable to access opcode bytes at 0x7f94894ffc1f. [ 31.607892][ T624] RSP: 002b:00007f9488cbee60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.607896][ T624] RAX: ffffffffffffffda RBX: 00007f9488cbf6c0 RCX: 00007f94894ffc49 [ 31.607897][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.607898][ T624] RBP: 00007f9488cbef70 R08: 0000000000000001 R09: 00007f9488cbf6c0 [ 31.607899][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f94884bf000 [ 31.607899][ T624] R13: 00007ffc00e1c790 R14: 0000000000000002 R15: 00007ffc00e1c897 [ 31.607902][ T624] [ 32.840322][ T718] tun0: deleting peer with id 1, reason 1 [ 32.840337][ T718] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.840339][ T718] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 718, name: ovpn-cli [ 32.840340][ T718] preempt_count: 202, expected: 0 [ 32.840341][ T718] RCU nest depth: 0, expected: 0 [ 32.840342][ T718] INFO: lockdep is turned off. [ 32.840343][ T718] irq event stamp: 0 [ 32.840344][ T718] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.840348][ T718] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.840354][ T718] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.840355][ T718] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.840357][ T718] Preemption disabled at: [ 32.840357][ T718] [<0000000000000000>] 0x0 [ 32.840362][ T718] CPU: 3 UID: 0 PID: 718 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.840366][ T718] Tainted: [W]=WARN [ 32.840367][ T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.840368][ T718] Call Trace: [ 32.840370][ T718] [ 32.840371][ T718] dump_stack_lvl+0x6f/0xa0 [ 32.840376][ T718] __might_resched.cold+0x1fe/0x2c1 [ 32.840380][ T718] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.840384][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840388][ T718] __kmalloc_noprof+0x443/0x760 [ 32.840391][ T718] ? __rwlock_init+0x150/0x150 [ 32.840394][ T718] ? alloc_buf.isra.0+0x4b/0x260 [ 32.840398][ T718] ? do_raw_spin_unlock+0x59/0x250 [ 32.840399][ T718] alloc_buf.isra.0+0x4b/0x260 [ 32.840401][ T718] put_chars+0x1e1/0x2f0 [ 32.840403][ T718] ? __send_to_port+0x420/0x420 [ 32.840405][ T718] ? printk_get_next_message+0x240/0x650 [ 32.840408][ T718] hvc_console_print+0x292/0x780 [ 32.840412][ T718] ? hvc_write+0x3a0/0x3a0 [ 32.840413][ T718] ? __rwlock_init+0x150/0x150 [ 32.840415][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840417][ T718] ? lock_acquire+0x13c/0x160 [ 32.840419][ T718] console_emit_next_record+0x22f/0x4c0 [ 32.840421][ T718] ? devkmsg_read+0x4b0/0x4b0 [ 32.840423][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840425][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840426][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840428][ T718] ? lock_acquire+0x13c/0x160 [ 32.840430][ T718] ? console_flush_one_record+0x111/0x710 [ 32.840431][ T718] console_flush_one_record+0x46f/0x710 [ 32.840434][ T718] ? console_emit_next_record+0x4c0/0x4c0 [ 32.840436][ T718] console_unlock+0xee/0x1f0 [ 32.840438][ T718] ? lock_acquire+0x13c/0x160 [ 32.840439][ T718] ? console_flush_one_record+0x710/0x710 [ 32.840441][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840443][ T718] ? lock_release+0x184/0x1f0 [ 32.840444][ T718] ? lock_acquire+0x60/0x160 [ 32.840445][ T718] ? __rcu_read_lock+0x30/0x70 [ 32.840447][ T718] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.840449][ T718] ? vprintk_emit+0x320/0x3e0 [ 32.840451][ T718] vprintk_emit+0x37c/0x3e0 [ 32.840453][ T718] ? wake_up_klogd_work_func+0x90/0x90 [ 32.840455][ T718] ? kernel_text_address+0x149/0x170 [ 32.840457][ T718] ? __kernel_text_address+0x12/0x30 [ 32.840459][ T718] ? write_profile+0xf0/0xf0 [ 32.840461][ T718] ? unwind_get_return_address+0x67/0xd0 [ 32.840463][ T718] _printk+0xc7/0x100 [ 32.840466][ T718] ? snapshot_read.cold+0x21/0x21 [ 32.840468][ T718] ? netdev_name+0x43/0x60 [ 32.840471][ T718] ? __netdev_printk+0x17f/0x1d0 [ 32.840472][ T718] netdev_info+0xe2/0x116 [ 32.840474][ T718] ? netdev_notice+0x120/0x120 [ 32.840475][ T718] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 32.840481][ T718] ? __module_address+0x36/0x330 [ 32.840484][ T718] ? lock_acquire+0x13c/0x160 [ 32.840485][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840487][ T718] ? lock_release+0x184/0x1f0 [ 32.840489][ T718] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 32.840492][ T718] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 32.840496][ T718] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 32.840499][ T718] ? lock_acquire+0x13c/0x160 [ 32.840500][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840502][ T718] ? lock_release+0x184/0x1f0 [ 32.840504][ T718] ovpn_peer_remove+0x394/0x640 [ovpn] [ 32.840506][ T718] ? do_raw_spin_lock+0x131/0x280 [ 32.840508][ T718] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 32.840511][ T718] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 32.840514][ T718] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 32.840524][ T718] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 32.840526][ T718] ? trace_hardirqs_on+0x36/0x40 [ 32.840529][ T718] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.840531][ T718] ? ref_tracker_alloc+0x28d/0x430 [ 32.840536][ T718] ? lock_release+0x184/0x1f0 [ 32.840538][ T718] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 32.840541][ T718] genl_family_rcv_msg_doit+0x206/0x300 [ 32.840545][ T718] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 32.840547][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840550][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840552][ T718] ? cap_capable+0x1d7/0x3d0 [ 32.840555][ T718] ? write_profile+0xf0/0xf0 [ 32.840556][ T718] ? unwind_get_return_address+0x67/0xd0 [ 32.840558][ T718] genl_family_rcv_msg+0x3a4/0x640 [ 32.840560][ T718] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 32.840562][ T718] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 32.840564][ T718] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.840566][ T718] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 32.840569][ T718] ? filter_irq_stacks+0xd0/0xd0 [ 32.840570][ T718] ? stack_depot_save_flags+0x1bc/0x790 [ 32.840573][ T718] genl_rcv_msg+0xbb/0x160 [ 32.840575][ T718] netlink_rcv_skb+0x14e/0x3a0 [ 32.840577][ T718] ? genl_family_rcv_msg+0x640/0x640 [ 32.840579][ T718] ? netlink_ack+0xcf0/0xcf0 [ 32.840581][ T718] ? lock_acquire+0x13c/0x160 [ 32.840583][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840584][ T718] ? lock_release+0x184/0x1f0 [ 32.840586][ T718] genl_rcv+0x28/0x40 [ 32.840588][ T718] netlink_unicast+0x486/0x750 [ 32.840590][ T718] ? netlink_attachskb+0x810/0x810 [ 32.840592][ T718] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.840593][ T718] ? trace_hardirqs_on+0x36/0x40 [ 32.840594][ T718] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 32.840598][ T718] netlink_sendmsg+0x735/0xc60 [ 32.840600][ T718] ? netlink_unicast+0x750/0x750 [ 32.840602][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840604][ T718] ? lock_release+0x184/0x1f0 [ 32.840606][ T718] ____sys_sendmsg+0x415/0x880 [ 32.840609][ T718] ? copy_msghdr_from_user+0x279/0x420 [ 32.840611][ T718] ? get_timestamp.constprop.0+0x390/0x390 [ 32.840612][ T718] ? move_addr_to_kernel+0x40/0x40 [ 32.840615][ T718] ___sys_sendmsg+0x14e/0x1d0 [ 32.840617][ T718] ? copy_msghdr_from_user+0x420/0x420 [ 32.840618][ T718] ? kfree+0x22/0x590 [ 32.840623][ T718] __sys_sendmsg+0x12c/0x1d0 [ 32.840625][ T718] ? __sys_sendmsg_sock+0x20/0x20 [ 32.840628][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840630][ T718] ? rcu_is_watching+0x16/0xd0 [ 32.840632][ T718] do_syscall_64+0xff/0x530 [ 32.840634][ T718] ? exc_page_fault+0xee/0x100 [ 32.840636][ T718] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.840638][ T718] RIP: 0033:0x7fe3fbbed54e [ 32.840640][ 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 [ 32.840642][ T718] RSP: 002b:00007ffeb2ae3600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.840645][ T718] RAX: ffffffffffffffda RBX: 0000000035f3a130 RCX: 00007fe3fbbed54e [ 32.840647][ T718] RDX: 0000000000000000 RSI: 00007ffeb2ae36a0 RDI: 0000000000000005 [ 32.840648][ T718] RBP: 00007ffeb2ae3610 R08: 0000000000000000 R09: 0000000000000000 [ 32.840649][ T718] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000035f3a200 [ 32.840649][ T718] R13: 00007ffeb2ae36a0 R14: 0000000035f3b260 R15: 000000000040bda8 [ 32.840652][ T718] [ 32.920627][ T722] tun1: deleting peer with id 10, reason 1 [ 35.467297][ T770] tun0: deleting peer with id 2, reason 1 [ 35.467312][ T770] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.467314][ T770] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 770, name: ovpn-cli [ 35.467316][ T770] preempt_count: 202, expected: 0 [ 35.467316][ T770] RCU nest depth: 0, expected: 0 [ 35.467317][ T770] INFO: lockdep is turned off. [ 35.467319][ T770] irq event stamp: 0 [ 35.467319][ T770] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.467323][ T770] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 35.467329][ T770] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 35.467331][ T770] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.467333][ T770] Preemption disabled at: [ 35.467333][ T770] [<0000000000000000>] 0x0 [ 35.467338][ T770] CPU: 1 UID: 0 PID: 770 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.467341][ T770] Tainted: [W]=WARN [ 35.467342][ T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.467344][ T770] Call Trace: [ 35.467345][ T770] [ 35.467347][ T770] dump_stack_lvl+0x6f/0xa0 [ 35.467352][ T770] __might_resched.cold+0x1fe/0x2c1 [ 35.467356][ T770] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.467359][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467363][ T770] __kmalloc_noprof+0x443/0x760 [ 35.467366][ T770] ? __rwlock_init+0x150/0x150 [ 35.467369][ T770] ? alloc_buf.isra.0+0x4b/0x260 [ 35.467373][ T770] ? do_raw_spin_unlock+0x59/0x250 [ 35.467375][ T770] alloc_buf.isra.0+0x4b/0x260 [ 35.467377][ T770] put_chars+0x1e1/0x2f0 [ 35.467379][ T770] ? __send_to_port+0x420/0x420 [ 35.467381][ T770] ? printk_get_next_message+0x240/0x650 [ 35.467384][ T770] hvc_console_print+0x292/0x780 [ 35.467387][ T770] ? hvc_write+0x3a0/0x3a0 [ 35.467389][ T770] ? __rwlock_init+0x150/0x150 [ 35.467390][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467392][ T770] ? lock_acquire+0x13c/0x160 [ 35.467394][ T770] console_emit_next_record+0x22f/0x4c0 [ 35.467397][ T770] ? devkmsg_read+0x4b0/0x4b0 [ 35.467399][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467400][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467402][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467403][ T770] ? lock_acquire+0x13c/0x160 [ 35.467405][ T770] ? console_flush_one_record+0x111/0x710 [ 35.467407][ T770] console_flush_one_record+0x46f/0x710 [ 35.467409][ T770] ? console_emit_next_record+0x4c0/0x4c0 [ 35.467411][ T770] console_unlock+0xee/0x1f0 [ 35.467413][ T770] ? lock_acquire+0x13c/0x160 [ 35.467415][ T770] ? console_flush_one_record+0x710/0x710 [ 35.467416][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467418][ T770] ? lock_release+0x184/0x1f0 [ 35.467419][ T770] ? lock_acquire+0x60/0x160 [ 35.467420][ T770] ? __rcu_read_lock+0x30/0x70 [ 35.467422][ T770] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.467424][ T770] ? vprintk_emit+0x320/0x3e0 [ 35.467426][ T770] vprintk_emit+0x37c/0x3e0 [ 35.467428][ T770] ? wake_up_klogd_work_func+0x90/0x90 [ 35.467430][ T770] ? kernel_text_address+0x149/0x170 [ 35.467432][ T770] ? __kernel_text_address+0x12/0x30 [ 35.467433][ T770] ? write_profile+0xf0/0xf0 [ 35.467436][ T770] ? unwind_get_return_address+0x67/0xd0 [ 35.467438][ T770] _printk+0xc7/0x100 [ 35.467441][ T770] ? snapshot_read.cold+0x21/0x21 [ 35.467443][ T770] ? netdev_name+0x43/0x60 [ 35.467446][ T770] ? __netdev_printk+0x17f/0x1d0 [ 35.467447][ T770] netdev_info+0xe2/0x116 [ 35.467449][ T770] ? netdev_notice+0x120/0x120 [ 35.467450][ T770] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 35.467456][ T770] ? __module_address+0x36/0x330 [ 35.467458][ T770] ? lock_acquire+0x13c/0x160 [ 35.467460][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467461][ T770] ? lock_release+0x184/0x1f0 [ 35.467463][ T770] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 35.467466][ T770] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 35.467470][ T770] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 35.467473][ T770] ? lock_acquire+0x13c/0x160 [ 35.467474][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467476][ T770] ? lock_release+0x184/0x1f0 [ 35.467478][ T770] ovpn_peer_remove+0x394/0x640 [ovpn] [ 35.467481][ T770] ? do_raw_spin_lock+0x131/0x280 [ 35.467483][ T770] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 35.467486][ T770] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 35.467489][ T770] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 35.467492][ T770] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 35.467494][ T770] ? trace_hardirqs_on+0x36/0x40 [ 35.467497][ T770] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.467499][ T770] ? ref_tracker_alloc+0x28d/0x430 [ 35.467504][ T770] ? lock_release+0x184/0x1f0 [ 35.467506][ T770] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 35.467509][ T770] genl_family_rcv_msg_doit+0x206/0x300 [ 35.467513][ T770] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 35.467515][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467518][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467519][ T770] ? cap_capable+0x1d7/0x3d0 [ 35.467523][ T770] ? write_profile+0xf0/0xf0 [ 35.467524][ T770] ? unwind_get_return_address+0x67/0xd0 [ 35.467525][ T770] genl_family_rcv_msg+0x3a4/0x640 [ 35.467528][ T770] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 35.467530][ T770] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 35.467532][ T770] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.467534][ T770] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 35.467542][ T770] ? filter_irq_stacks+0xd0/0xd0 [ 35.467544][ T770] ? stack_depot_save_flags+0x1bc/0x790 [ 35.467546][ T770] genl_rcv_msg+0xbb/0x160 [ 35.467548][ T770] netlink_rcv_skb+0x14e/0x3a0 [ 35.467550][ T770] ? genl_family_rcv_msg+0x640/0x640 [ 35.467552][ T770] ? netlink_ack+0xcf0/0xcf0 [ 35.467554][ T770] ? lock_acquire+0x13c/0x160 [ 35.467556][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467558][ T770] ? lock_release+0x184/0x1f0 [ 35.467559][ T770] genl_rcv+0x28/0x40 [ 35.467561][ T770] netlink_unicast+0x486/0x750 [ 35.467563][ T770] ? netlink_attachskb+0x810/0x810 [ 35.467565][ T770] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.467566][ T770] ? trace_hardirqs_on+0x36/0x40 [ 35.467567][ T770] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 35.467571][ T770] netlink_sendmsg+0x735/0xc60 [ 35.467573][ T770] ? netlink_unicast+0x750/0x750 [ 35.467575][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467577][ T770] ? lock_release+0x184/0x1f0 [ 35.467578][ T770] ____sys_sendmsg+0x415/0x880 [ 35.467581][ T770] ? copy_msghdr_from_user+0x279/0x420 [ 35.467583][ T770] ? get_timestamp.constprop.0+0x390/0x390 [ 35.467585][ T770] ? move_addr_to_kernel+0x40/0x40 [ 35.467587][ T770] ___sys_sendmsg+0x14e/0x1d0 [ 35.467589][ T770] ? copy_msghdr_from_user+0x420/0x420 [ 35.467591][ T770] ? kfree+0x22/0x590 [ 35.467595][ T770] __sys_sendmsg+0x12c/0x1d0 [ 35.467597][ T770] ? __sys_sendmsg_sock+0x20/0x20 [ 35.467600][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467601][ T770] ? rcu_is_watching+0x16/0xd0 [ 35.467603][ T770] do_syscall_64+0xff/0x530 [ 35.467606][ T770] ? exc_page_fault+0xee/0x100 [ 35.467608][ T770] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.467610][ T770] RIP: 0033:0x7fc5ad2a554e [ 35.467612][ 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 [ 35.467614][ T770] RSP: 002b:00007ffefccd0450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.467617][ T770] RAX: ffffffffffffffda RBX: 0000000026e47130 RCX: 00007fc5ad2a554e [ 35.467619][ T770] RDX: 0000000000000000 RSI: 00007ffefccd04f0 RDI: 0000000000000005 [ 35.467619][ T770] RBP: 00007ffefccd0460 R08: 0000000000000000 R09: 0000000000000000 [ 35.467620][ T770] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000026e47200 [ 35.467621][ T770] R13: 00007ffefccd04f0 R14: 0000000026e48260 R15: 000000000040bda8 [ 35.467623][ T770] [ 35.545100][ T774] tun2: deleting peer with id 11, reason 1 [ 40.236900][ T65] tun0: deleting peer with id 4, reason 2 [ 40.236920][ T65] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.236923][ T65] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 65, name: kworker/2:2 [ 40.236925][ T65] preempt_count: 202, expected: 0 [ 40.236926][ T65] RCU nest depth: 0, expected: 0 [ 40.236926][ T65] INFO: lockdep is turned off. [ 40.236928][ T65] irq event stamp: 8914 [ 40.236929][ T65] hardirqs last enabled at (8913): [] _raw_spin_unlock_irq+0x28/0x50 [ 40.236937][ T65] hardirqs last disabled at (8914): [] __schedule+0x1246/0x20e0 [ 40.236939][ T65] softirqs last enabled at (8822): [] neigh_periodic_work+0x6b9/0xa60 [ 40.236943][ T65] softirqs last disabled at (8818): [] neigh_periodic_work+0xaa/0xa60 [ 40.236946][ T65] Preemption disabled at: [ 40.236946][ T65] [<0000000000000000>] 0x0 [ 40.236954][ T65] CPU: 2 UID: 0 PID: 65 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.236957][ T65] Tainted: [W]=WARN [ 40.236958][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.236960][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.236970][ T65] Call Trace: [ 40.236972][ T65] [ 40.236974][ T65] dump_stack_lvl+0x6f/0xa0 [ 40.236979][ T65] __might_resched.cold+0x1fe/0x2c1 [ 40.236983][ T65] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.236987][ T65] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 40.236989][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.236993][ T65] __kmalloc_noprof+0x443/0x760 [ 40.236996][ T65] ? __rwlock_init+0x150/0x150 [ 40.236999][ T65] ? alloc_buf.isra.0+0x4b/0x260 [ 40.237002][ T65] ? do_raw_spin_unlock+0x59/0x250 [ 40.237004][ T65] alloc_buf.isra.0+0x4b/0x260 [ 40.237006][ T65] put_chars+0x1e1/0x2f0 [ 40.237008][ T65] ? prb_final_commit+0x50/0x50 [ 40.237009][ T65] ? __send_to_port+0x420/0x420 [ 40.237011][ T65] ? printk_get_next_message+0x240/0x650 [ 40.237014][ T65] hvc_console_print+0x292/0x780 [ 40.237018][ T65] ? hvc_write+0x3a0/0x3a0 [ 40.237019][ T65] ? do_raw_spin_lock+0x131/0x280 [ 40.237021][ T65] ? vsnprintf+0x527/0x1700 [ 40.237023][ T65] ? __rwlock_init+0x150/0x150 [ 40.237024][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237026][ T65] ? lock_acquire+0x13c/0x160 [ 40.237028][ T65] console_emit_next_record+0x22f/0x4c0 [ 40.237031][ T65] ? devkmsg_read+0x4b0/0x4b0 [ 40.237033][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237035][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237037][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237038][ T65] ? lock_acquire+0x13c/0x160 [ 40.237040][ T65] ? console_flush_one_record+0x111/0x710 [ 40.237042][ T65] console_flush_one_record+0x46f/0x710 [ 40.237044][ T65] ? console_emit_next_record+0x4c0/0x4c0 [ 40.237046][ T65] console_unlock+0xee/0x1f0 [ 40.237048][ T65] ? lock_acquire+0x13c/0x160 [ 40.237050][ T65] ? console_flush_one_record+0x710/0x710 [ 40.237051][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237053][ T65] ? lock_release+0x184/0x1f0 [ 40.237054][ T65] ? lock_acquire+0x60/0x160 [ 40.237056][ T65] ? __rcu_read_lock+0x30/0x70 [ 40.237058][ T65] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.237060][ T65] ? vprintk_emit+0x320/0x3e0 [ 40.237061][ T65] vprintk_emit+0x37c/0x3e0 [ 40.237064][ T65] ? wake_up_klogd_work_func+0x90/0x90 [ 40.237066][ T65] ? queued_spin_lock_slowpath+0x103/0xa60 [ 40.237067][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237069][ T65] _printk+0xc7/0x100 [ 40.237072][ T65] ? snapshot_read.cold+0x21/0x21 [ 40.237074][ T65] ? __add_to_free_list+0x81/0x5c0 [ 40.237076][ T65] ? __mod_zone_page_state+0xe1/0x190 [ 40.237078][ T65] ? netdev_name+0x43/0x60 [ 40.237081][ T65] ? __netdev_printk+0x17f/0x1d0 [ 40.237083][ T65] netdev_info+0xe2/0x116 [ 40.237084][ T65] ? netdev_notice+0x120/0x120 [ 40.237086][ T65] ? free_pcppages_bulk+0x363/0x6e0 [ 40.237088][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237090][ T65] ? trace_irq_enable.constprop.0+0x30/0x160 [ 40.237092][ T65] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 40.237097][ T65] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 40.237100][ T65] ? __rwlock_init+0x150/0x150 [ 40.237101][ T65] ? lock_acquire+0x13c/0x160 [ 40.237103][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237105][ T65] ovpn_peer_remove+0x394/0x640 [ovpn] [ 40.237108][ T65] ? do_raw_spin_lock+0x131/0x280 [ 40.237110][ T65] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 40.237113][ T65] ? __rwlock_init+0x150/0x150 [ 40.237114][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237116][ T65] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.237117][ T65] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 40.237119][ T65] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 40.237122][ T65] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 40.237124][ T65] ? __rwlock_init+0x150/0x150 [ 40.237126][ T65] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 40.237130][ T65] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 40.237132][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237134][ T65] ? lock_acquire+0x13c/0x160 [ 40.237135][ T65] ? rcu_is_watching+0x16/0xd0 [ 40.237137][ T65] process_one_work+0xe3e/0x1560 [ 40.237142][ T65] ? __queue_delayed_work+0x470/0x470 [ 40.237144][ T65] ? __rwlock_init+0x150/0x150 [ 40.237146][ T65] worker_thread+0x4f1/0xd60 [ 40.237149][ T65] ? rescuer_thread+0x1340/0x1340 [ 40.237150][ T65] ? __kthread_parkme+0xbd/0x210 [ 40.237153][ T65] ? rescuer_thread+0x1340/0x1340 [ 40.237154][ T65] ? rescuer_thread+0x1340/0x1340 [ 40.237156][ T65] kthread+0x367/0x460 [ 40.237158][ T65] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.237159][ T65] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.237161][ T65] ret_from_fork+0x474/0x6b0 [ 40.237164][ T65] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 40.237166][ T65] ? __switch_to+0x5a3/0xe00 [ 40.237168][ T65] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.237170][ T65] ret_from_fork_asm+0x11/0x20 [ 40.237174][ T65] [ 40.262647][ T65] tun0: deleting peer with id 3, reason 2 [ 41.324901][ T65] tun0: deleting peer with id 5, reason 2 [ 41.324921][ T65] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 41.324924][ T65] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 65, name: kworker/2:2 [ 41.324925][ T65] preempt_count: 202, expected: 0 [ 41.324926][ T65] RCU nest depth: 0, expected: 0 [ 41.324927][ T65] INFO: lockdep is turned off. [ 41.324928][ T65] irq event stamp: 8914 [ 41.324929][ T65] hardirqs last enabled at (8913): [] _raw_spin_unlock_irq+0x28/0x50 [ 41.324937][ T65] hardirqs last disabled at (8914): [] __schedule+0x1246/0x20e0 [ 41.324940][ T65] softirqs last enabled at (8822): [] neigh_periodic_work+0x6b9/0xa60 [ 41.324944][ T65] softirqs last disabled at (8818): [] neigh_periodic_work+0xaa/0xa60 [ 41.324946][ T65] Preemption disabled at: [ 41.324947][ T65] [<0000000000000000>] 0x0 [ 41.324954][ T65] CPU: 2 UID: 0 PID: 65 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 41.324957][ T65] Tainted: [W]=WARN [ 41.324958][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.324959][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.324968][ T65] Call Trace: [ 41.324970][ T65] [ 41.324972][ T65] dump_stack_lvl+0x6f/0xa0 [ 41.324977][ T65] __might_resched.cold+0x1fe/0x2c1 [ 41.324981][ T65] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 41.324985][ T65] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 41.324988][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.324992][ T65] __kmalloc_noprof+0x443/0x760 [ 41.324995][ T65] ? __rwlock_init+0x150/0x150 [ 41.324998][ T65] ? alloc_buf.isra.0+0x4b/0x260 [ 41.325002][ T65] ? do_raw_spin_unlock+0x59/0x250 [ 41.325003][ T65] alloc_buf.isra.0+0x4b/0x260 [ 41.325005][ T65] put_chars+0x1e1/0x2f0 [ 41.325007][ T65] ? prb_final_commit+0x50/0x50 [ 41.325009][ T65] ? __send_to_port+0x420/0x420 [ 41.325010][ T65] ? printk_get_next_message+0x240/0x650 [ 41.325013][ T65] hvc_console_print+0x292/0x780 [ 41.325017][ T65] ? hvc_write+0x3a0/0x3a0 [ 41.325018][ T65] ? do_raw_spin_lock+0x131/0x280 [ 41.325020][ T65] ? vsnprintf+0x527/0x1700 [ 41.325022][ T65] ? __rwlock_init+0x150/0x150 [ 41.325023][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325025][ T65] ? lock_acquire+0x13c/0x160 [ 41.325027][ T65] console_emit_next_record+0x22f/0x4c0 [ 41.325030][ T65] ? devkmsg_read+0x4b0/0x4b0 [ 41.325031][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325033][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325035][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325036][ T65] ? lock_acquire+0x13c/0x160 [ 41.325038][ T65] ? console_flush_one_record+0x111/0x710 [ 41.325040][ T65] console_flush_one_record+0x46f/0x710 [ 41.325042][ T65] ? console_emit_next_record+0x4c0/0x4c0 [ 41.325044][ T65] console_unlock+0xee/0x1f0 [ 41.325046][ T65] ? lock_acquire+0x13c/0x160 [ 41.325047][ T65] ? console_flush_one_record+0x710/0x710 [ 41.325049][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325051][ T65] ? lock_release+0x184/0x1f0 [ 41.325052][ T65] ? lock_acquire+0x60/0x160 [ 41.325053][ T65] ? __rcu_read_lock+0x30/0x70 [ 41.325055][ T65] ? __down_trylock_console_sem+0x5e/0xa0 [ 41.325057][ T65] ? vprintk_emit+0x320/0x3e0 [ 41.325059][ T65] vprintk_emit+0x37c/0x3e0 [ 41.325061][ T65] ? wake_up_klogd_work_func+0x90/0x90 [ 41.325063][ T65] ? unwind_next_frame+0x69b/0x1ea0 [ 41.325065][ T65] ? ret_from_fork_asm+0x11/0x20 [ 41.325068][ T65] _printk+0xc7/0x100 [ 41.325071][ T65] ? snapshot_read.cold+0x21/0x21 [ 41.325073][ T65] ? __unwind_start+0x42e/0x900 [ 41.325074][ T65] ? write_profile+0xf0/0xf0 [ 41.325076][ T65] ? netdev_name+0x43/0x60 [ 41.325079][ T65] ? __netdev_printk+0x17f/0x1d0 [ 41.325081][ T65] netdev_info+0xe2/0x116 [ 41.325082][ T65] ? netdev_notice+0x120/0x120 [ 41.325084][ T65] ? stack_trace_save+0x93/0xc0 [ 41.325086][ T65] ? filter_irq_stacks+0xd0/0xd0 [ 41.325087][ T65] ? trace_irq_enable.constprop.0+0x30/0x160 [ 41.325090][ T65] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 41.325094][ T65] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 41.325097][ T65] ? __rwlock_init+0x150/0x150 [ 41.325098][ T65] ? lock_acquire+0x13c/0x160 [ 41.325100][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325102][ T65] ovpn_peer_remove+0x394/0x640 [ovpn] [ 41.325105][ T65] ? do_raw_spin_lock+0x131/0x280 [ 41.325107][ T65] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 41.325109][ T65] ? __rwlock_init+0x150/0x150 [ 41.325111][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325113][ T65] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 41.325114][ T65] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 41.325115][ T65] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 41.325118][ T65] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 41.325121][ T65] ? __rwlock_init+0x150/0x150 [ 41.325123][ T65] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 41.325126][ T65] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 41.325128][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325130][ T65] ? lock_acquire+0x13c/0x160 [ 41.325131][ T65] ? rcu_is_watching+0x16/0xd0 [ 41.325134][ T65] process_one_work+0xe3e/0x1560 [ 41.325138][ T65] ? __queue_delayed_work+0x470/0x470 [ 41.325140][ T65] ? __rwlock_init+0x150/0x150 [ 41.325142][ T65] worker_thread+0x4f1/0xd60 [ 41.325145][ T65] ? rescuer_thread+0x1340/0x1340 [ 41.325146][ T65] ? __kthread_parkme+0xbd/0x210 [ 41.325148][ T65] ? rescuer_thread+0x1340/0x1340 [ 41.325150][ T65] ? rescuer_thread+0x1340/0x1340 [ 41.325152][ T65] kthread+0x367/0x460 [ 41.325154][ T65] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 41.325155][ T65] ? kthread_affine_preferred+0x4c0/0x4c0 [ 41.325157][ T65] ret_from_fork+0x474/0x6b0 [ 41.325159][ T65] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 41.325161][ T65] ? __switch_to+0x5a3/0xe00 [ 41.325163][ T65] ? kthread_affine_preferred+0x4c0/0x4c0 [ 41.325165][ T65] ret_from_fork_asm+0x11/0x20 [ 41.325168][ T65] [ 41.343391][ T65] tun0: deleting peer with id 6, reason 2 [ 46.380936][ T10] tun4: deleting peer with id 13, reason 2 [ 46.380956][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 46.380959][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 46.380961][ T10] preempt_count: 202, expected: 0 [ 46.380962][ T10] RCU nest depth: 0, expected: 0 [ 46.380962][ T10] INFO: lockdep is turned off. [ 46.380964][ T10] irq event stamp: 35356 [ 46.380965][ T10] hardirqs last enabled at (35355): [] _raw_spin_unlock_irq+0x28/0x50 [ 46.380973][ T10] hardirqs last disabled at (35356): [] __schedule+0x1246/0x20e0 [ 46.380976][ T10] softirqs last enabled at (35182): [] process_one_work+0xe3e/0x1560 [ 46.380980][ T10] softirqs last disabled at (35178): [] neigh_managed_work+0x2d/0x220 [ 46.380984][ T10] Preemption disabled at: [ 46.380985][ T10] [<0000000000000000>] 0x0 [ 46.380992][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 46.380995][ T10] Tainted: [W]=WARN [ 46.380996][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.380998][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 46.381007][ T10] Call Trace: [ 46.381008][ T10] [ 46.381009][ T10] dump_stack_lvl+0x6f/0xa0 [ 46.381015][ T10] __might_resched.cold+0x1fe/0x2c1 [ 46.381019][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 46.381022][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 46.381024][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381028][ T10] __kmalloc_noprof+0x443/0x760 [ 46.381031][ T10] ? __rwlock_init+0x150/0x150 [ 46.381034][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 46.381038][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 46.381039][ T10] alloc_buf.isra.0+0x4b/0x260 [ 46.381042][ T10] put_chars+0x1e1/0x2f0 [ 46.381044][ T10] ? prb_final_commit+0x50/0x50 [ 46.381045][ T10] ? __send_to_port+0x420/0x420 [ 46.381047][ T10] ? printk_get_next_message+0x240/0x650 [ 46.381050][ T10] hvc_console_print+0x292/0x780 [ 46.381054][ T10] ? hvc_write+0x3a0/0x3a0 [ 46.381055][ T10] ? do_raw_spin_lock+0x131/0x280 [ 46.381056][ T10] ? vsnprintf+0x527/0x1700 [ 46.381058][ T10] ? __rwlock_init+0x150/0x150 [ 46.381060][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381062][ T10] ? lock_acquire+0x13c/0x160 [ 46.381064][ T10] console_emit_next_record+0x22f/0x4c0 [ 46.381066][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 46.381068][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381070][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381072][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381073][ T10] ? lock_acquire+0x13c/0x160 [ 46.381075][ T10] ? console_flush_one_record+0x111/0x710 [ 46.381077][ T10] console_flush_one_record+0x46f/0x710 [ 46.381079][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 46.381081][ T10] console_unlock+0xee/0x1f0 [ 46.381083][ T10] ? lock_acquire+0x13c/0x160 [ 46.381085][ T10] ? console_flush_one_record+0x710/0x710 [ 46.381086][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381088][ T10] ? lock_release+0x184/0x1f0 [ 46.381089][ T10] ? lock_acquire+0x60/0x160 [ 46.381091][ T10] ? __rcu_read_lock+0x30/0x70 [ 46.381093][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 46.381094][ T10] ? vprintk_emit+0x320/0x3e0 [ 46.381096][ T10] vprintk_emit+0x37c/0x3e0 [ 46.381098][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 46.381100][ T10] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 46.381102][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381103][ T10] ? trace_sched_wakeup+0x9b/0x160 [ 46.381106][ T10] _printk+0xc7/0x100 [ 46.381109][ T10] ? snapshot_read.cold+0x21/0x21 [ 46.381110][ T10] ? try_to_wake_up+0x153/0x1130 [ 46.381112][ T10] ? select_fallback_rq+0x510/0x510 [ 46.381114][ T10] ? netdev_name+0x43/0x60 [ 46.381116][ T10] ? __netdev_printk+0x17f/0x1d0 [ 46.381118][ T10] netdev_info+0xe2/0x116 [ 46.381120][ T10] ? netdev_notice+0x120/0x120 [ 46.381121][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381123][ T10] ? __queue_work+0x3ab/0xd30 [ 46.381126][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 46.381128][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 46.381132][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 46.381134][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381136][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 46.381138][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 46.381141][ T10] ? do_raw_spin_lock+0x131/0x280 [ 46.381143][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 46.381145][ T10] ? __rwlock_init+0x150/0x150 [ 46.381147][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381149][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 46.381150][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 46.381151][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 46.381154][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 46.381156][ T10] ? __rwlock_init+0x150/0x150 [ 46.381159][ T10] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 46.381162][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 46.381164][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381166][ T10] ? lock_acquire+0x13c/0x160 [ 46.381167][ T10] ? rcu_is_watching+0x16/0xd0 [ 46.381169][ T10] ? process_one_work+0xdfc/0x1560 [ 46.381171][ T10] process_one_work+0xe3e/0x1560 [ 46.381174][ T10] ? __queue_delayed_work+0x470/0x470 [ 46.381175][ T10] ? find_held_lock+0x2b/0x80 [ 46.381177][ T10] ? __rwlock_init+0x150/0x150 [ 46.381180][ T10] worker_thread+0x4f1/0xd60 [ 46.381182][ T10] ? rescuer_thread+0x1340/0x1340 [ 46.381183][ T10] ? __kthread_parkme+0xbd/0x210 [ 46.381186][ T10] ? rescuer_thread+0x1340/0x1340 [ 46.381188][ T10] ? rescuer_thread+0x1340/0x1340 [ 46.381189][ T10] kthread+0x367/0x460 [ 46.381191][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 46.381192][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 46.381194][ T10] ret_from_fork+0x474/0x6b0 [ 46.381197][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 46.381198][ T10] ? __switch_to+0x5a3/0xe00 [ 46.381201][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 46.381203][ T10] ret_from_fork_asm+0x11/0x20 [ 46.381206][ T10] [ 46.381927][ T73] tun3: deleting peer with id 12, reason 2 [ 46.445903][ T65] tun5: deleting peer with id 14, reason 2 [ 46.508911][ T10] tun6: deleting peer with id 15, reason 2