[ 14.590151][ T305] ip (305) used greatest stack depth: 23840 bytes left [ 14.590166][ T305] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.590169][ T305] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 305, name: ip [ 14.590170][ T305] preempt_count: 2, expected: 0 [ 14.590171][ T305] RCU nest depth: 0, expected: 0 [ 14.590172][ T305] locks held by ip/305: 5, last CPU#0: [ 14.590174][ T305] #0: ffffffffa88127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.590186][ T305] #1: ffffffffa8979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.590192][ T305] #2: ffffffffa8979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.590195][ T305] #3: ffffffffa8899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.590199][ T305] #4: ffffffffa8899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.590203][ T305] irq event stamp: 21384 [ 14.590203][ T305] hardirqs last enabled at (21383): [] __down_trylock_console_sem+0x86/0xa0 [ 14.590206][ T305] hardirqs last disabled at (21384): [] console_emit_next_record+0x3d4/0x4c0 [ 14.590208][ T305] softirqs last enabled at (21164): [] handle_softirqs+0x67c/0x900 [ 14.590210][ T305] softirqs last disabled at (21155): [] __irq_exit_rcu+0x145/0x1c0 [ 14.590213][ T305] Preemption disabled at: [ 14.590213][ T305] [<0000000000000000>] 0x0 [ 14.590220][ T305] CPU: 0 UID: 0 PID: 305 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.590223][ T305] Tainted: [W]=WARN [ 14.590224][ T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.590226][ T305] Call Trace: [ 14.590227][ T305] [ 14.590229][ T305] dump_stack_lvl+0x6f/0xa0 [ 14.590235][ T305] __might_resched.cold+0x1fe/0x2c1 [ 14.590240][ T305] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.590244][ T305] ? __kmalloc_noprof+0xdb/0x760 [ 14.590249][ T305] __kmalloc_noprof+0x443/0x760 [ 14.590251][ T305] ? alloc_buf.isra.0+0x4b/0x260 [ 14.590257][ T305] ? do_raw_spin_unlock+0x59/0x250 [ 14.590259][ T305] alloc_buf.isra.0+0x4b/0x260 [ 14.590262][ T305] put_chars+0x1e1/0x2f0 [ 14.590265][ T305] ? __send_to_port+0x420/0x420 [ 14.590267][ T305] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.590272][ T305] ? validate_chain+0x38b/0xc20 [ 14.590277][ T305] hvc_console_print+0x292/0x780 [ 14.590283][ T305] ? hvc_write+0x3a0/0x3a0 [ 14.590285][ T305] ? rcu_is_watching+0x16/0xd0 [ 14.590288][ T305] ? lock_acquire+0x13c/0x160 [ 14.590292][ T305] console_emit_next_record+0x22f/0x4c0 [ 14.590295][ T305] ? devkmsg_read+0x4b0/0x4b0 [ 14.590297][ T305] ? console_flush_one_record+0x106/0x710 [ 14.590300][ T305] ? rcu_is_watching+0x16/0xd0 [ 14.590303][ T305] ? lock_acquire+0x13c/0x160 [ 14.590306][ T305] console_flush_one_record+0x46f/0x710 [ 14.590310][ T305] ? console_emit_next_record+0x4c0/0x4c0 [ 14.590312][ T305] ? __lock_acquire+0x518/0xc20 [ 14.590317][ T305] console_unlock+0xee/0x1f0 [ 14.590320][ T305] ? console_flush_one_record+0x710/0x710 [ 14.590322][ T305] ? rcu_is_watching+0x16/0xd0 [ 14.590324][ T305] ? lock_acquire+0x60/0x160 [ 14.590327][ T305] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.590329][ T305] ? vprintk_emit+0x320/0x3e0 [ 14.590332][ T305] vprintk_emit+0x37c/0x3e0 [ 14.590336][ T305] ? wake_up_klogd_work_func+0x90/0x90 [ 14.590339][ T305] ? __lock_acquire+0x518/0xc20 [ 14.590343][ T305] _printk+0xc7/0x100 [ 14.590347][ T305] ? snapshot_read.cold+0x21/0x21 [ 14.590349][ T305] ? do_raw_spin_lock+0x131/0x280 [ 14.590352][ T305] ? __rwlock_init+0x150/0x150 [ 14.590355][ T305] ? do_raw_spin_lock+0x131/0x280 [ 14.590358][ T305] do_exit.cold+0x82/0x9c [ 14.590362][ T305] ? exit_notify+0x890/0x890 [ 14.590363][ T305] ? __lock_release.isra.0+0x69/0x1a0 [ 14.590365][ T305] ? rcu_is_watching+0x16/0xd0 [ 14.590369][ T305] do_group_exit+0xb8/0x370 [ 14.590372][ T305] __x64_sys_exit_group+0x3c/0x50 [ 14.590374][ T305] x64_sys_call+0x1567/0x1570 [ 14.590377][ T305] do_syscall_64+0xff/0x530 [ 14.590381][ T305] ? exc_page_fault+0xee/0x100 [ 14.590384][ T305] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.590386][ T305] RIP: 0033:0x7f82a60041b8 [ 14.590388][ T305] Code: Unable to access opcode bytes at 0x7f82a600418e. [ 14.590389][ T305] RSP: 002b:00007ffddf754628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.590391][ T305] RAX: ffffffffffffffda RBX: 00007f82a6134f88 RCX: 00007f82a60041b8 [ 14.590393][ T305] RDX: 00007f82a5d4efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.590394][ T305] RBP: 00007ffddf754680 R08: 0000000000000000 R09: 0000000000008010 [ 14.590394][ T305] R10: 00007ffddf754440 R11: 0000000000000246 R12: 0000000000000001 [ 14.590395][ T305] R13: 0000000000000000 R14: 00007f82a6133680 R15: 00007f82a6134fa0 [ 14.590402][ T305] [ 21.859494][ C1] tun0: no available key for peer 1, key-id: 0 [ 21.859527][ C1] [ 21.859528][ C1] ======================================================== [ 21.859530][ C1] WARNING: possible irq lock inversion dependency detected [ 21.859531][ C1] 7.2.0-virtme #1 Tainted: G W [ 21.859533][ C1] -------------------------------------------------------- [ 21.859533][ C1] kworker/u16:0/12 just changed the state of lock: [ 21.859535][ C1] ffffffffa8899660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.859547][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 21.859548][ C1] (fs_reclaim){+.+.}-{0:0} [ 21.859549][ C1] [ 21.859549][ C1] [ 21.859549][ C1] and interrupts could create inverse lock ordering between them. [ 21.859549][ C1] [ 21.859550][ C1] [ 21.859550][ C1] other info that might help us debug this: [ 21.859551][ C1] Possible interrupt unsafe locking scenario: [ 21.859551][ C1] [ 21.859551][ C1] CPU0 CPU1 [ 21.859552][ C1] ---- ---- [ 21.859552][ C1] lock(fs_reclaim); [ 21.859553][ C1] local_irq_disable(); [ 21.859553][ C1] lock(console_owner); [ 21.859554][ C1] lock(fs_reclaim); [ 21.859555][ C1] [ 21.859555][ C1] lock(console_owner); [ 21.859556][ C1] [ 21.859556][ C1] *** DEADLOCK *** [ 21.859556][ C1] [ 21.859557][ C1] locks held by kworker/u16:0/12: 11, last CPU#1: [ 21.859558][ C1] #0: ff11000008df1d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 21.859563][ C1] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 21.859566][ C1] #2: ffffffffa90e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 21.859571][ C1] #3: ffffffffa8990b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 21.859575][ C1] #4: ffffffffa8990b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 21.859578][ C1] #5: ffffffffa8990b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 21.859583][ C1] #6: ffffffffa8990b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 21.859587][ C1] #7: ff1100001a271d18 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 21.859597][ C1] #8: ffffffffa8990b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 21.859603][ C1] #9: ffffffffa8979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.859606][ C1] #10: ffffffffa8979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.859610][ C1] [ 21.859610][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 21.859615][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 21.859617][ C1] HARDIRQ-ON-W at: [ 21.859618][ C1] __lock_acquire+0x388/0xc20 [ 21.859621][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859623][ C1] fs_reclaim_acquire+0xd5/0x120 [ 21.859625][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 21.859628][ C1] kthread_create_worker_on_node+0xea/0x210 [ 21.859630][ C1] workqueue_init+0x2a/0x680 [ 21.859634][ C1] kernel_init_freeable+0x2fe/0x630 [ 21.859637][ C1] kernel_init+0x21/0x150 [ 21.859639][ C1] ret_from_fork+0x474/0x6b0 [ 21.859642][ C1] ret_from_fork_asm+0x11/0x20 [ 21.859645][ C1] SOFTIRQ-ON-W at: [ 21.859646][ C1] __lock_acquire+0x388/0xc20 [ 21.859647][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859648][ C1] fs_reclaim_acquire+0xd5/0x120 [ 21.859649][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 21.859651][ C1] kthread_create_worker_on_node+0xea/0x210 [ 21.859652][ C1] workqueue_init+0x2a/0x680 [ 21.859653][ C1] kernel_init_freeable+0x2fe/0x630 [ 21.859654][ C1] kernel_init+0x21/0x150 [ 21.859656][ C1] ret_from_fork+0x474/0x6b0 [ 21.859657][ C1] ret_from_fork_asm+0x11/0x20 [ 21.859658][ C1] INITIAL USE at: [ 21.859659][ C1] __lock_acquire+0x388/0xc20 [ 21.859660][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859661][ C1] fs_reclaim_acquire+0xd5/0x120 [ 21.859662][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 21.859664][ C1] kthread_create_worker_on_node+0xea/0x210 [ 21.859665][ C1] workqueue_init+0x2a/0x680 [ 21.859666][ C1] kernel_init_freeable+0x2fe/0x630 [ 21.859668][ C1] kernel_init+0x21/0x150 [ 21.859669][ C1] ret_from_fork+0x474/0x6b0 [ 21.859670][ C1] ret_from_fork_asm+0x11/0x20 [ 21.859671][ C1] } [ 21.859671][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 21.859675][ C1] ... acquired at: [ 21.859676][ C1] __lock_acquire+0x518/0xc20 [ 21.859677][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859679][ C1] fs_reclaim_acquire+0xd5/0x120 [ 21.859680][ C1] __kmalloc_noprof+0xd3/0x760 [ 21.859681][ C1] alloc_buf.isra.0+0x4b/0x260 [ 21.859684][ C1] put_chars+0x1e1/0x2f0 [ 21.859685][ C1] hvc_console_print+0x292/0x780 [ 21.859688][ C1] console_emit_next_record+0x22f/0x4c0 [ 21.859690][ C1] console_flush_one_record+0x46f/0x710 [ 21.859692][ C1] console_unlock+0xee/0x1f0 [ 21.859694][ C1] vprintk_emit+0x37c/0x3e0 [ 21.859695][ C1] dev_vprintk_emit+0x27f/0x2c0 [ 21.859699][ C1] dev_printk_emit+0xb9/0xee [ 21.859700][ C1] _dev_info+0xe2/0x116 [ 21.859702][ C1] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 21.859704][ C1] cmos_do_probe+0x73b/0x98a [ 21.859705][ C1] platform_probe+0xfe/0x1f0 [ 21.859708][ C1] call_driver_probe+0x61/0x1c0 [ 21.859710][ C1] really_probe+0x199/0x760 [ 21.859712][ C1] __driver_probe_device+0x24f/0x440 [ 21.859713][ C1] driver_probe_device+0x4a/0xf0 [ 21.859715][ C1] __driver_attach+0x1b8/0x540 [ 21.859716][ C1] bus_for_each_dev+0x130/0x1e0 [ 21.859717][ C1] bus_add_driver+0x2c8/0x530 [ 21.859719][ C1] driver_register+0x1a3/0x390 [ 21.859721][ C1] __platform_driver_probe+0x13f/0x270 [ 21.859722][ C1] cmos_init+0x31/0x40 [ 21.859725][ C1] do_one_initcall+0x124/0x4f0 [ 21.859726][ C1] kernel_init_freeable+0x596/0x630 [ 21.859728][ C1] kernel_init+0x21/0x150 [ 21.859729][ C1] ret_from_fork+0x474/0x6b0 [ 21.859730][ C1] ret_from_fork_asm+0x11/0x20 [ 21.859732][ C1] [ 21.859732][ C1] -> (console_owner){..-.}-{0:0} { [ 21.859734][ C1] IN-SOFTIRQ-W at: [ 21.859734][ C1] __lock_acquire+0x388/0xc20 [ 21.859736][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859737][ C1] console_lock_spinning_enable+0x5c/0x60 [ 21.859738][ C1] console_emit_next_record+0x1d1/0x4c0 [ 21.859740][ C1] console_flush_one_record+0x46f/0x710 [ 21.859742][ C1] console_unlock+0xee/0x1f0 [ 21.859743][ C1] vprintk_emit+0x37c/0x3e0 [ 21.859745][ C1] _printk+0xc7/0x100 [ 21.859747][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 21.859750][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 21.859752][ C1] __strp_recv+0x20f/0x1c20 [ 21.859755][ C1] __tcp_read_sock+0x1c7/0x850 [ 21.859758][ C1] strp_read_sock+0x20f/0x2b0 [ 21.859759][ C1] strp_data_ready+0x18e/0x2c0 [ 21.859761][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 21.859763][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 21.859765][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 21.859767][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 21.859768][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 21.859769][ C1] ip_local_deliver_finish+0x36f/0x610 [ 21.859771][ C1] ip_local_deliver+0x184/0x4c0 [ 21.859772][ C1] ip_rcv+0xdc/0x3d0 [ 21.859773][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 21.859775][ C1] process_backlog+0x431/0x14c0 [ 21.859777][ C1] __napi_poll+0xa7/0x3b0 [ 21.859779][ C1] net_rx_action+0x513/0xf50 [ 21.859780][ C1] handle_softirqs+0x1d3/0x900 [ 21.859782][ C1] do_softirq+0xac/0xe0 [ 21.859783][ C1] __local_bh_enable_ip+0x118/0x150 [ 21.859785][ C1] __dev_queue_xmit+0x979/0x1b80 [ 21.859786][ C1] ip6_finish_output2+0x423/0x12a0 [ 21.859787][ C1] ip6_finish_output+0x646/0xda0 [ 21.859789][ C1] ip6_output+0x23f/0x7f0 [ 21.859790][ C1] ndisc_send_skb+0xba3/0x1520 [ 21.859791][ C1] addrconf_dad_completed+0x37e/0xe10 [ 21.859793][ C1] addrconf_dad_begin+0x2e1/0x540 [ 21.859794][ C1] addrconf_dad_work+0x170/0x930 [ 21.859796][ C1] process_one_work+0xe3e/0x1560 [ 21.859797][ C1] worker_thread+0x4f1/0xd60 [ 21.859799][ C1] kthread+0x367/0x460 [ 21.859800][ C1] ret_from_fork+0x474/0x6b0 [ 21.859801][ C1] ret_from_fork_asm+0x11/0x20 [ 21.859803][ C1] INITIAL USE at: [ 21.859804][ C1] } [ 21.859804][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 21.859807][ C1] ... acquired at: [ 21.859808][ C1] mark_lock+0x1d7/0xa00 [ 21.859809][ C1] mark_usage+0x42/0x170 [ 21.859810][ C1] __lock_acquire+0x388/0xc20 [ 21.859812][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859813][ C1] console_lock_spinning_enable+0x5c/0x60 [ 21.859814][ C1] console_emit_next_record+0x1d1/0x4c0 [ 21.859816][ C1] console_flush_one_record+0x46f/0x710 [ 21.859817][ C1] console_unlock+0xee/0x1f0 [ 21.859819][ C1] vprintk_emit+0x37c/0x3e0 [ 21.859820][ C1] _printk+0xc7/0x100 [ 21.859822][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 21.859824][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 21.859826][ C1] __strp_recv+0x20f/0x1c20 [ 21.859828][ C1] __tcp_read_sock+0x1c7/0x850 [ 21.859829][ C1] strp_read_sock+0x20f/0x2b0 [ 21.859830][ C1] strp_data_ready+0x18e/0x2c0 [ 21.859832][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 21.859834][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 21.859836][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 21.859837][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 21.859838][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 21.859840][ C1] ip_local_deliver_finish+0x36f/0x610 [ 21.859841][ C1] ip_local_deliver+0x184/0x4c0 [ 21.859842][ C1] ip_rcv+0xdc/0x3d0 [ 21.859843][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 21.859845][ C1] process_backlog+0x431/0x14c0 [ 21.859846][ C1] __napi_poll+0xa7/0x3b0 [ 21.859848][ C1] net_rx_action+0x513/0xf50 [ 21.859849][ C1] handle_softirqs+0x1d3/0x900 [ 21.859851][ C1] do_softirq+0xac/0xe0 [ 21.859852][ C1] __local_bh_enable_ip+0x118/0x150 [ 21.859853][ C1] __dev_queue_xmit+0x979/0x1b80 [ 21.859854][ C1] ip6_finish_output2+0x423/0x12a0 [ 21.859856][ C1] ip6_finish_output+0x646/0xda0 [ 21.859857][ C1] ip6_output+0x23f/0x7f0 [ 21.859858][ C1] ndisc_send_skb+0xba3/0x1520 [ 21.859859][ C1] addrconf_dad_completed+0x37e/0xe10 [ 21.859861][ C1] addrconf_dad_begin+0x2e1/0x540 [ 21.859862][ C1] addrconf_dad_work+0x170/0x930 [ 21.859864][ C1] process_one_work+0xe3e/0x1560 [ 21.859865][ C1] worker_thread+0x4f1/0xd60 [ 21.859867][ C1] kthread+0x367/0x460 [ 21.859868][ C1] ret_from_fork+0x474/0x6b0 [ 21.859869][ C1] ret_from_fork_asm+0x11/0x20 [ 21.859870][ C1] [ 21.859870][ C1] [ 21.859870][ C1] stack backtrace: [ 21.859873][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.859876][ C1] Tainted: [W]=WARN [ 21.859877][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.859879][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 21.859882][ C1] Call Trace: [ 21.859883][ C1] [ 21.859885][ C1] dump_stack_lvl+0x6f/0xa0 [ 21.859889][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 21.859891][ C1] mark_lock_irq+0x989/0x9c0 [ 21.859893][ C1] mark_lock+0x1d7/0xa00 [ 21.859895][ C1] mark_usage+0x42/0x170 [ 21.859897][ C1] __lock_acquire+0x388/0xc20 [ 21.859899][ C1] lock_acquire.part.0+0xd4/0x280 [ 21.859900][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 21.859902][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.859906][ C1] ? lock_acquire+0x13c/0x160 [ 21.859908][ C1] console_lock_spinning_enable+0x5c/0x60 [ 21.859909][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 21.859911][ C1] console_emit_next_record+0x1d1/0x4c0 [ 21.859913][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 21.859915][ C1] ? console_flush_one_record+0x106/0x710 [ 21.859916][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.859918][ C1] ? lock_acquire+0x13c/0x160 [ 21.859920][ C1] console_flush_one_record+0x46f/0x710 [ 21.859922][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 21.859924][ C1] ? __lock_acquire+0x518/0xc20 [ 21.859926][ C1] console_unlock+0xee/0x1f0 [ 21.859928][ C1] ? console_flush_one_record+0x710/0x710 [ 21.859929][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.859931][ C1] ? lock_acquire+0x60/0x160 [ 21.859933][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.859934][ C1] ? vprintk_emit+0x320/0x3e0 [ 21.859936][ C1] vprintk_emit+0x37c/0x3e0 [ 21.859938][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 21.859940][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.859942][ C1] _printk+0xc7/0x100 [ 21.859944][ C1] ? snapshot_read.cold+0x21/0x21 [ 21.859946][ C1] ? ___ratelimit+0x4e7/0xa00 [ 21.859949][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 21.859952][ C1] ? idr_get_free+0x830/0x830 [ 21.859954][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 21.859957][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 21.859960][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 21.859962][ C1] ? __copy_skb_header+0xb7/0x510 [ 21.859965][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 21.859968][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 21.859970][ C1] __strp_recv+0x20f/0x1c20 [ 21.859973][ C1] __tcp_read_sock+0x1c7/0x850 [ 21.859974][ C1] ? strp_process+0xb0/0xb0 [ 21.859976][ C1] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 21.859978][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 21.859979][ C1] ? mark_usage+0x61/0x170 [ 21.859981][ C1] strp_read_sock+0x20f/0x2b0 [ 21.859983][ C1] ? strp_stop+0x50/0x50 [ 21.859985][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.859987][ C1] ? lock_acquire+0x13c/0x160 [ 21.859989][ C1] strp_data_ready+0x18e/0x2c0 [ 21.859991][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 21.859993][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 21.859996][ C1] ? __tcp_check_space+0x600/0x600 [ 21.860000][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 21.860002][ C1] ? do_raw_spin_lock+0x131/0x280 [ 21.860004][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 21.860006][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 21.860008][ C1] ? mark_usage+0x61/0x170 [ 21.860010][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 21.860012][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860013][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 21.860015][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 21.860017][ C1] ? process_backlog+0x3f1/0x14c0 [ 21.860019][ C1] ip_local_deliver_finish+0x36f/0x610 [ 21.860021][ C1] ip_local_deliver+0x184/0x4c0 [ 21.860023][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 21.860024][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 21.860027][ C1] ? process_backlog+0x3f1/0x14c0 [ 21.860028][ C1] ip_rcv+0xdc/0x3d0 [ 21.860030][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 21.860032][ C1] ? mark_usage+0x61/0x170 [ 21.860033][ C1] ? __lock_acquire+0x518/0xc20 [ 21.860035][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 21.860037][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860038][ C1] ? process_backlog+0x3f1/0x14c0 [ 21.860040][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 21.860042][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860044][ C1] process_backlog+0x431/0x14c0 [ 21.860047][ C1] __napi_poll+0xa7/0x3b0 [ 21.860049][ C1] net_rx_action+0x513/0xf50 [ 21.860052][ C1] ? __napi_poll+0x3b0/0x3b0 [ 21.860054][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860056][ C1] ? __rwlock_init+0x150/0x150 [ 21.860058][ C1] ? __run_timers+0xaa0/0xaa0 [ 21.860061][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860062][ C1] ? mark_held_locks+0x40/0x70 [ 21.860064][ C1] handle_softirqs+0x1d3/0x900 [ 21.860066][ C1] ? _local_bh_enable+0xc0/0xc0 [ 21.860067][ C1] ? _local_bh_enable+0xc0/0xc0 [ 21.860069][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 21.860071][ C1] do_softirq+0xac/0xe0 [ 21.860072][ C1] [ 21.860073][ C1] [ 21.860073][ C1] __local_bh_enable_ip+0x118/0x150 [ 21.860075][ C1] __dev_queue_xmit+0x979/0x1b80 [ 21.860077][ C1] ? __lock_acquire+0x518/0xc20 [ 21.860078][ C1] ? do_ipv6_getsockopt+0x1a30/0x2e80 [ 21.860080][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 21.860082][ C1] ? find_held_lock+0x2b/0x80 [ 21.860083][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860085][ C1] ? __rwlock_init+0x150/0x150 [ 21.860086][ C1] ? mark_held_locks+0x40/0x70 [ 21.860088][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 21.860089][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860091][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860092][ C1] ? ___neigh_create+0x811/0x1070 [ 21.860095][ C1] ip6_finish_output2+0x423/0x12a0 [ 21.860097][ C1] ? ip6_dst_lookup+0x80/0x80 [ 21.860098][ C1] ? find_held_lock+0x2b/0x80 [ 21.860100][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860102][ C1] ? ip6_mtu+0x15d/0x310 [ 21.860104][ C1] ip6_finish_output+0x646/0xda0 [ 21.860106][ C1] ip6_output+0x23f/0x7f0 [ 21.860108][ C1] ? ip6_finish_output+0xda0/0xda0 [ 21.860109][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860110][ C1] ? find_held_lock+0x2b/0x80 [ 21.860112][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860113][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860115][ C1] ndisc_send_skb+0xba3/0x1520 [ 21.860117][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 21.860119][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 21.860120][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860122][ C1] addrconf_dad_completed+0x37e/0xe10 [ 21.860124][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860126][ C1] ? addrconf_rs_timer+0x770/0x770 [ 21.860128][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860129][ C1] ? __rwlock_init+0x150/0x150 [ 21.860130][ C1] ? mark_held_locks+0x40/0x70 [ 21.860132][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 21.860134][ C1] addrconf_dad_begin+0x2e1/0x540 [ 21.860136][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860137][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 21.860139][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860140][ C1] ? __rwlock_init+0x150/0x150 [ 21.860142][ C1] ? mark_held_locks+0x40/0x70 [ 21.860144][ C1] addrconf_dad_work+0x170/0x930 [ 21.860146][ C1] ? addrconf_dad_begin+0x540/0x540 [ 21.860148][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860150][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860151][ C1] ? lock_acquire+0x13c/0x160 [ 21.860152][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860155][ C1] process_one_work+0xe3e/0x1560 [ 21.860157][ C1] ? __queue_delayed_work+0x470/0x470 [ 21.860159][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860162][ C1] worker_thread+0x4f1/0xd60 [ 21.860164][ C1] ? rescuer_thread+0x1340/0x1340 [ 21.860166][ C1] kthread+0x367/0x460 [ 21.860167][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.860170][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.860171][ C1] ret_from_fork+0x474/0x6b0 [ 21.860173][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 21.860175][ C1] ? __switch_to+0x5a3/0xe00 [ 21.860177][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.860179][ C1] ret_from_fork_asm+0x11/0x20 [ 21.860182][ C1] [ 21.860185][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.860187][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 21.860188][ C1] preempt_count: 103, expected: 0 [ 21.860189][ C1] RCU nest depth: 5, expected: 0 [ 21.860189][ C1] INFO: lockdep is turned off. [ 21.860190][ C1] irq event stamp: 18775 [ 21.860190][ C1] hardirqs last enabled at (18774): [] __down_trylock_console_sem+0x86/0xa0 [ 21.860193][ C1] hardirqs last disabled at (18775): [] console_emit_next_record+0x3d4/0x4c0 [ 21.860195][ C1] softirqs last enabled at (18684): [] __dev_queue_xmit+0x964/0x1b80 [ 21.860196][ C1] softirqs last disabled at (18685): [] do_softirq+0xac/0xe0 [ 21.860198][ C1] Preemption disabled at: [ 21.860198][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 21.860201][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.860203][ C1] Tainted: [W]=WARN [ 21.860204][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.860204][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 21.860206][ C1] Call Trace: [ 21.860207][ C1] [ 21.860207][ C1] dump_stack_lvl+0x6f/0xa0 [ 21.860210][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 21.860212][ C1] __might_resched.cold+0x1fe/0x2c1 [ 21.860214][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.860217][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860219][ C1] __kmalloc_noprof+0x443/0x760 [ 21.860221][ C1] ? __rwlock_init+0x150/0x150 [ 21.860222][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 21.860224][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 21.860225][ C1] alloc_buf.isra.0+0x4b/0x260 [ 21.860227][ C1] put_chars+0x1e1/0x2f0 [ 21.860229][ C1] ? __send_to_port+0x420/0x420 [ 21.860232][ C1] hvc_console_print+0x292/0x780 [ 21.860233][ C1] ? __lock_acquire+0x388/0xc20 [ 21.860235][ C1] ? hvc_write+0x3a0/0x3a0 [ 21.860237][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860239][ C1] ? lock_acquire+0x13c/0x160 [ 21.860241][ C1] console_emit_next_record+0x22f/0x4c0 [ 21.860243][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 21.860244][ C1] ? console_flush_one_record+0x106/0x710 [ 21.860246][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860248][ C1] ? lock_acquire+0x13c/0x160 [ 21.860250][ C1] console_flush_one_record+0x46f/0x710 [ 21.860252][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 21.860253][ C1] ? __lock_acquire+0x518/0xc20 [ 21.860255][ C1] console_unlock+0xee/0x1f0 [ 21.860257][ C1] ? console_flush_one_record+0x710/0x710 [ 21.860259][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860261][ C1] ? lock_acquire+0x60/0x160 [ 21.860262][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.860264][ C1] ? vprintk_emit+0x320/0x3e0 [ 21.860266][ C1] vprintk_emit+0x37c/0x3e0 [ 21.860268][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 21.860270][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860272][ C1] _printk+0xc7/0x100 [ 21.860273][ C1] ? snapshot_read.cold+0x21/0x21 [ 21.860275][ C1] ? ___ratelimit+0x4e7/0xa00 [ 21.860276][ C1] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 21.860279][ C1] ? idr_get_free+0x830/0x830 [ 21.860281][ C1] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 21.860284][ C1] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 21.860286][ C1] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 21.860289][ C1] ? __copy_skb_header+0xb7/0x510 [ 21.860290][ C1] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 21.860293][ C1] ? sock_queue_err_skb+0xb0/0x680 [ 21.860295][ C1] __strp_recv+0x20f/0x1c20 [ 21.860298][ C1] __tcp_read_sock+0x1c7/0x850 [ 21.860299][ C1] ? strp_process+0xb0/0xb0 [ 21.860301][ C1] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 21.860302][ C1] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 21.860304][ C1] ? mark_usage+0x61/0x170 [ 21.860306][ C1] strp_read_sock+0x20f/0x2b0 [ 21.860308][ C1] ? strp_stop+0x50/0x50 [ 21.860310][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860312][ C1] ? lock_acquire+0x13c/0x160 [ 21.860313][ C1] strp_data_ready+0x18e/0x2c0 [ 21.860315][ C1] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 21.860318][ C1] tcp_rcv_established+0x1e1d/0x3910 [ 21.860320][ C1] ? __tcp_check_space+0x600/0x600 [ 21.860322][ C1] ? tcp_v4_rcv+0x1a81/0x2b70 [ 21.860324][ C1] ? do_raw_spin_lock+0x131/0x280 [ 21.860326][ C1] tcp_v4_do_rcv+0x4f6/0xb90 [ 21.860328][ C1] tcp_v4_rcv+0x1caa/0x2b70 [ 21.860330][ C1] ? mark_usage+0x61/0x170 [ 21.860332][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 21.860334][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860335][ C1] ? ip_local_deliver_finish+0x2ba/0x610 [ 21.860337][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 21.860339][ C1] ? process_backlog+0x3f1/0x14c0 [ 21.860341][ C1] ip_local_deliver_finish+0x36f/0x610 [ 21.860342][ C1] ip_local_deliver+0x184/0x4c0 [ 21.860344][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 21.860345][ C1] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 21.860348][ C1] ? process_backlog+0x3f1/0x14c0 [ 21.860349][ C1] ip_rcv+0xdc/0x3d0 [ 21.860351][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 21.860353][ C1] ? mark_usage+0x61/0x170 [ 21.860354][ C1] ? __lock_acquire+0x518/0xc20 [ 21.860356][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 21.860358][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860359][ C1] ? process_backlog+0x3f1/0x14c0 [ 21.860361][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 21.860363][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860365][ C1] process_backlog+0x431/0x14c0 [ 21.860368][ C1] __napi_poll+0xa7/0x3b0 [ 21.860370][ C1] net_rx_action+0x513/0xf50 [ 21.860372][ C1] ? __napi_poll+0x3b0/0x3b0 [ 21.860375][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860376][ C1] ? __rwlock_init+0x150/0x150 [ 21.860378][ C1] ? __run_timers+0xaa0/0xaa0 [ 21.860380][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860382][ C1] ? mark_held_locks+0x40/0x70 [ 21.860383][ C1] handle_softirqs+0x1d3/0x900 [ 21.860385][ C1] ? _local_bh_enable+0xc0/0xc0 [ 21.860386][ C1] ? _local_bh_enable+0xc0/0xc0 [ 21.860388][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 21.860390][ C1] do_softirq+0xac/0xe0 [ 21.860391][ C1] [ 21.860392][ C1] [ 21.860392][ C1] __local_bh_enable_ip+0x118/0x150 [ 21.860394][ C1] __dev_queue_xmit+0x979/0x1b80 [ 21.860396][ C1] ? __lock_acquire+0x518/0xc20 [ 21.860397][ C1] ? do_ipv6_getsockopt+0x1a30/0x2e80 [ 21.860399][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 21.860401][ C1] ? find_held_lock+0x2b/0x80 [ 21.860402][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860403][ C1] ? __rwlock_init+0x150/0x150 [ 21.860405][ C1] ? mark_held_locks+0x40/0x70 [ 21.860406][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 21.860407][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860409][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860410][ C1] ? ___neigh_create+0x811/0x1070 [ 21.860412][ C1] ip6_finish_output2+0x423/0x12a0 [ 21.860414][ C1] ? ip6_dst_lookup+0x80/0x80 [ 21.860416][ C1] ? find_held_lock+0x2b/0x80 [ 21.860417][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860419][ C1] ? ip6_mtu+0x15d/0x310 [ 21.860420][ C1] ip6_finish_output+0x646/0xda0 [ 21.860422][ C1] ip6_output+0x23f/0x7f0 [ 21.860424][ C1] ? ip6_finish_output+0xda0/0xda0 [ 21.860426][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860427][ C1] ? find_held_lock+0x2b/0x80 [ 21.860428][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860430][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860431][ C1] ndisc_send_skb+0xba3/0x1520 [ 21.860433][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 21.860435][ C1] ? ndisc_alloc_skb+0x2da/0x490 [ 21.860436][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 21.860438][ C1] addrconf_dad_completed+0x37e/0xe10 [ 21.860440][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860442][ C1] ? addrconf_rs_timer+0x770/0x770 [ 21.860444][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860445][ C1] ? __rwlock_init+0x150/0x150 [ 21.860446][ C1] ? mark_held_locks+0x40/0x70 [ 21.860448][ C1] ? addrconf_dad_begin+0x2e1/0x540 [ 21.860450][ C1] addrconf_dad_begin+0x2e1/0x540 [ 21.860452][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860453][ C1] ? addrconf_dad_completed+0xe10/0xe10 [ 21.860455][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 21.860456][ C1] ? __rwlock_init+0x150/0x150 [ 21.860458][ C1] ? mark_held_locks+0x40/0x70 [ 21.860460][ C1] addrconf_dad_work+0x170/0x930 [ 21.860462][ C1] ? addrconf_dad_begin+0x540/0x540 [ 21.860464][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860465][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860467][ C1] ? lock_acquire+0x13c/0x160 [ 21.860468][ C1] ? rcu_is_watching+0x16/0xd0 [ 21.860470][ C1] process_one_work+0xe3e/0x1560 [ 21.860473][ C1] ? __queue_delayed_work+0x470/0x470 [ 21.860475][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 21.860477][ C1] worker_thread+0x4f1/0xd60 [ 21.860480][ C1] ? rescuer_thread+0x1340/0x1340 [ 21.860482][ C1] kthread+0x367/0x460 [ 21.860483][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.860484][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.860486][ C1] ret_from_fork+0x474/0x6b0 [ 21.860487][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 21.860489][ C1] ? __switch_to+0x5a3/0xe00 [ 21.860490][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.860492][ C1] ret_from_fork_asm+0x11/0x20 [ 21.860495][ C1] [ 22.166040][ C3] tun0: no available key for peer 4, key-id: 0 [ 22.294891][ C3] tun0: no available key for peer 6, key-id: 0 [ 30.643441][ T624] iperf3 (624) used greatest stack depth: 23128 bytes left [ 30.643459][ T624] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.643461][ T624] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 624, name: iperf3 [ 30.643463][ T624] preempt_count: 2, expected: 0 [ 30.643464][ T624] RCU nest depth: 0, expected: 0 [ 30.643464][ T624] INFO: lockdep is turned off. [ 30.643466][ T624] irq event stamp: 0 [ 30.643466][ T624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.643471][ T624] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 30.643477][ T624] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 30.643479][ T624] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.643480][ T624] Preemption disabled at: [ 30.643481][ T624] [<0000000000000000>] 0x0 [ 30.643486][ T624] CPU: 2 UID: 0 PID: 624 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.643490][ T624] Tainted: [W]=WARN [ 30.643491][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.643492][ T624] Call Trace: [ 30.643494][ T624] [ 30.643495][ T624] dump_stack_lvl+0x6f/0xa0 [ 30.643500][ T624] __might_resched.cold+0x1fe/0x2c1 [ 30.643504][ T624] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.643507][ T624] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 30.643510][ T624] ? rcu_is_watching+0x16/0xd0 [ 30.643513][ T624] __kmalloc_noprof+0x443/0x760 [ 30.643517][ T624] ? __rwlock_init+0x150/0x150 [ 30.643519][ T624] ? alloc_buf.isra.0+0x4b/0x260 [ 30.643523][ T624] ? do_raw_spin_unlock+0x59/0x250 [ 30.643525][ T624] alloc_buf.isra.0+0x4b/0x260 [ 30.643527][ T624] put_chars+0x1e1/0x2f0 [ 30.643529][ T624] ? prb_final_commit+0x50/0x50 [ 30.643530][ T624] ? __send_to_port+0x420/0x420 [ 30.643532][ T624] ? printk_get_next_message+0x240/0x650 [ 30.643535][ T624] hvc_console_print+0x292/0x780 [ 30.643539][ T624] ? hvc_write+0x3a0/0x3a0 [ 30.643541][ T624] ? do_raw_spin_lock+0x131/0x280 [ 30.643542][ T624] ? vsnprintf+0x668/0x1700 [ 30.643545][ T624] ? __rwlock_init+0x150/0x150 [ 30.643546][ T624] ? rcu_is_watching+0x16/0xd0 [ 30.643548][ T624] ? lock_acquire+0x13c/0x160 [ 30.643550][ T624] console_emit_next_record+0x22f/0x4c0 [ 30.643553][ T624] ? devkmsg_read+0x4b0/0x4b0 [ 30.643555][ T624] ? rcu_is_watching+0x16/0xd0 [ 30.643557][ T624] ? rcu_is_watching+0x16/0xd0 [ 30.643558][ T624] ? rcu_is_watching+0x16/0xd0 [ 30.643560][ T624] ? lock_acquire+0x13c/0x160 [ 30.643562][ T624] ? console_flush_one_record+0x111/0x710 [ 30.643563][ T624] console_flush_one_record+0x46f/0x710 [ 30.643566][ T624] ? console_emit_next_record+0x4c0/0x4c0 [ 30.643568][ T624] console_unlock+0xee/0x1f0 [ 30.643570][ T624] ? lock_acquire+0x13c/0x160 [ 30.643571][ T624] ? console_flush_one_record+0x710/0x710 [ 30.643573][ T624] ? rcu_is_watching+0x16/0xd0 [ 30.643575][ T624] ? lock_release+0x184/0x1f0 [ 30.643576][ T624] ? lock_acquire+0x60/0x160 [ 30.643578][ T624] ? __rcu_read_lock+0x30/0x70 [ 30.643580][ T624] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.643581][ T624] ? vprintk_emit+0x320/0x3e0 [ 30.643583][ T624] vprintk_emit+0x37c/0x3e0 [ 30.643586][ T624] ? wake_up_klogd_work_func+0x90/0x90 [ 30.643588][ T624] _printk+0xc7/0x100 [ 30.643591][ T624] ? snapshot_read.cold+0x21/0x21 [ 30.643593][ T624] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.643595][ T624] ? do_raw_spin_lock+0x131/0x280 [ 30.643597][ T624] ? __rwlock_init+0x150/0x150 [ 30.643599][ T624] ? do_raw_spin_lock+0x131/0x280 [ 30.643601][ T624] do_exit.cold+0x82/0x9c [ 30.643604][ T624] ? exit_notify+0x890/0x890 [ 30.643606][ T624] __x64_sys_exit+0x42/0x50 [ 30.643608][ T624] x64_sys_call+0x156c/0x1570 [ 30.643610][ T624] do_syscall_64+0xff/0x530 [ 30.643613][ T624] ? exc_page_fault+0xee/0x100 [ 30.643614][ T624] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.643617][ T624] RIP: 0033:0x7fb24fcf9c49 [ 30.643618][ T624] Code: Unable to access opcode bytes at 0x7fb24fcf9c1f. [ 30.643619][ T624] RSP: 002b:00007fb24f4b8e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.643623][ T624] RAX: ffffffffffffffda RBX: 00007fb24f4b96c0 RCX: 00007fb24fcf9c49 [ 30.643624][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 30.643625][ T624] RBP: 00007fb24f4b8f70 R08: 0000000000000001 R09: 00007fb24f4b96c0 [ 30.643626][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fb24ecb9000 [ 30.643627][ T624] R13: 00007ffc3d30e720 R14: 0000000000000002 R15: 00007ffc3d30e827 [ 30.643629][ T624] [ 31.823207][ T718] tun0: deleting peer with id 1, reason 1 [ 31.823222][ T718] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.823224][ T718] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 718, name: ovpn-cli [ 31.823226][ T718] preempt_count: 202, expected: 0 [ 31.823227][ T718] RCU nest depth: 0, expected: 0 [ 31.823228][ T718] INFO: lockdep is turned off. [ 31.823229][ T718] irq event stamp: 0 [ 31.823229][ T718] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.823234][ T718] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 31.823239][ T718] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 31.823241][ T718] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.823243][ T718] Preemption disabled at: [ 31.823243][ T718] [<0000000000000000>] 0x0 [ 31.823248][ T718] CPU: 2 UID: 0 PID: 718 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.823252][ T718] Tainted: [W]=WARN [ 31.823252][ T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.823254][ T718] Call Trace: [ 31.823255][ T718] [ 31.823257][ T718] dump_stack_lvl+0x6f/0xa0 [ 31.823262][ T718] __might_resched.cold+0x1fe/0x2c1 [ 31.823266][ T718] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.823270][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823274][ T718] __kmalloc_noprof+0x443/0x760 [ 31.823277][ T718] ? __rwlock_init+0x150/0x150 [ 31.823280][ T718] ? alloc_buf.isra.0+0x4b/0x260 [ 31.823284][ T718] ? do_raw_spin_unlock+0x59/0x250 [ 31.823286][ T718] alloc_buf.isra.0+0x4b/0x260 [ 31.823288][ T718] put_chars+0x1e1/0x2f0 [ 31.823290][ T718] ? __send_to_port+0x420/0x420 [ 31.823292][ T718] ? printk_get_next_message+0x240/0x650 [ 31.823295][ T718] hvc_console_print+0x292/0x780 [ 31.823299][ T718] ? hvc_write+0x3a0/0x3a0 [ 31.823300][ T718] ? __rwlock_init+0x150/0x150 [ 31.823302][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823304][ T718] ? lock_acquire+0x13c/0x160 [ 31.823306][ T718] console_emit_next_record+0x22f/0x4c0 [ 31.823308][ T718] ? devkmsg_read+0x4b0/0x4b0 [ 31.823310][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823312][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823313][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823315][ T718] ? lock_acquire+0x13c/0x160 [ 31.823317][ T718] ? console_flush_one_record+0x111/0x710 [ 31.823318][ T718] console_flush_one_record+0x46f/0x710 [ 31.823321][ T718] ? console_emit_next_record+0x4c0/0x4c0 [ 31.823323][ T718] console_unlock+0xee/0x1f0 [ 31.823325][ T718] ? lock_acquire+0x13c/0x160 [ 31.823326][ T718] ? console_flush_one_record+0x710/0x710 [ 31.823328][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823330][ T718] ? lock_release+0x184/0x1f0 [ 31.823331][ T718] ? lock_acquire+0x60/0x160 [ 31.823333][ T718] ? __rcu_read_lock+0x30/0x70 [ 31.823335][ T718] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.823337][ T718] ? vprintk_emit+0x320/0x3e0 [ 31.823339][ T718] vprintk_emit+0x37c/0x3e0 [ 31.823341][ T718] ? wake_up_klogd_work_func+0x90/0x90 [ 31.823343][ T718] ? kernel_text_address+0x149/0x170 [ 31.823345][ T718] ? __kernel_text_address+0x12/0x30 [ 31.823346][ T718] ? write_profile+0xf0/0xf0 [ 31.823348][ T718] ? unwind_get_return_address+0x67/0xd0 [ 31.823351][ T718] _printk+0xc7/0x100 [ 31.823354][ T718] ? snapshot_read.cold+0x21/0x21 [ 31.823356][ T718] ? netdev_name+0x43/0x60 [ 31.823359][ T718] ? __netdev_printk+0x17f/0x1d0 [ 31.823360][ T718] netdev_info+0xe2/0x116 [ 31.823362][ T718] ? netdev_notice+0x120/0x120 [ 31.823363][ T718] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 31.823369][ T718] ? __module_address+0x36/0x330 [ 31.823372][ T718] ? lock_acquire+0x13c/0x160 [ 31.823373][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823375][ T718] ? lock_release+0x184/0x1f0 [ 31.823377][ T718] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 31.823380][ T718] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 31.823384][ T718] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 31.823386][ T718] ? lock_acquire+0x13c/0x160 [ 31.823388][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823389][ T718] ? lock_release+0x184/0x1f0 [ 31.823391][ T718] ovpn_peer_remove+0x394/0x640 [ovpn] [ 31.823394][ T718] ? do_raw_spin_lock+0x131/0x280 [ 31.823396][ T718] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 31.823399][ T718] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 31.823402][ T718] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 31.823405][ T718] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 31.823408][ T718] ? trace_hardirqs_on+0x36/0x40 [ 31.823410][ T718] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 31.823413][ T718] ? ref_tracker_alloc+0x28d/0x430 [ 31.823418][ T718] ? lock_release+0x184/0x1f0 [ 31.823419][ T718] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 31.823423][ T718] genl_family_rcv_msg_doit+0x206/0x300 [ 31.823427][ T718] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 31.823429][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823431][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823433][ T718] ? cap_capable+0x1d7/0x3d0 [ 31.823437][ T718] ? write_profile+0xf0/0xf0 [ 31.823438][ T718] ? unwind_get_return_address+0x67/0xd0 [ 31.823440][ T718] genl_family_rcv_msg+0x3a4/0x640 [ 31.823442][ T718] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 31.823444][ T718] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 31.823446][ T718] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 31.823448][ T718] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 31.823451][ T718] ? filter_irq_stacks+0xd0/0xd0 [ 31.823452][ T718] ? stack_depot_save_flags+0x1bc/0x790 [ 31.823454][ T718] genl_rcv_msg+0xbb/0x160 [ 31.823457][ T718] netlink_rcv_skb+0x14e/0x3a0 [ 31.823459][ T718] ? genl_family_rcv_msg+0x640/0x640 [ 31.823461][ T718] ? netlink_ack+0xcf0/0xcf0 [ 31.823463][ T718] ? lock_acquire+0x13c/0x160 [ 31.823465][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823466][ T718] ? lock_release+0x184/0x1f0 [ 31.823468][ T718] genl_rcv+0x28/0x40 [ 31.823470][ T718] netlink_unicast+0x486/0x750 [ 31.823472][ T718] ? netlink_attachskb+0x810/0x810 [ 31.823474][ T718] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.823475][ T718] ? trace_hardirqs_on+0x36/0x40 [ 31.823476][ T718] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 31.823480][ T718] netlink_sendmsg+0x735/0xc60 [ 31.823482][ T718] ? netlink_unicast+0x750/0x750 [ 31.823484][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823486][ T718] ? lock_release+0x184/0x1f0 [ 31.823487][ T718] ____sys_sendmsg+0x415/0x880 [ 31.823491][ T718] ? copy_msghdr_from_user+0x279/0x420 [ 31.823492][ T718] ? get_timestamp.constprop.0+0x390/0x390 [ 31.823494][ T718] ? move_addr_to_kernel+0x40/0x40 [ 31.823497][ T718] ___sys_sendmsg+0x14e/0x1d0 [ 31.823499][ T718] ? copy_msghdr_from_user+0x420/0x420 [ 31.823500][ T718] ? kfree+0x22/0x590 [ 31.823505][ T718] __sys_sendmsg+0x12c/0x1d0 [ 31.823507][ T718] ? __sys_sendmsg_sock+0x20/0x20 [ 31.823510][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823511][ T718] ? rcu_is_watching+0x16/0xd0 [ 31.823513][ T718] do_syscall_64+0xff/0x530 [ 31.823516][ T718] ? exc_page_fault+0xee/0x100 [ 31.823518][ T718] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.823519][ T718] RIP: 0033:0x7f1f4e79e54e [ 31.823521][ 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 [ 31.823523][ T718] RSP: 002b:00007fff600e67a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.823527][ T718] RAX: ffffffffffffffda RBX: 000000003a207130 RCX: 00007f1f4e79e54e [ 31.823528][ T718] RDX: 0000000000000000 RSI: 00007fff600e6840 RDI: 0000000000000005 [ 31.823529][ T718] RBP: 00007fff600e67b0 R08: 0000000000000000 R09: 0000000000000000 [ 31.823529][ T718] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003a207200 [ 31.823530][ T718] R13: 00007fff600e6840 R14: 000000003a208260 R15: 000000000040bda8 [ 31.823532][ T718] [ 31.908860][ T722] tun1: deleting peer with id 10, reason 1 [ 34.445858][ T770] tun0: deleting peer with id 2, reason 1 [ 34.445874][ T770] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.445877][ T770] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 770, name: ovpn-cli [ 34.445878][ T770] preempt_count: 202, expected: 0 [ 34.445879][ T770] RCU nest depth: 0, expected: 0 [ 34.445880][ T770] INFO: lockdep is turned off. [ 34.445881][ T770] irq event stamp: 0 [ 34.445882][ T770] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.445886][ T770] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 34.445892][ T770] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 34.445894][ T770] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.445895][ T770] Preemption disabled at: [ 34.445896][ T770] [<0000000000000000>] 0x0 [ 34.445901][ T770] CPU: 0 UID: 0 PID: 770 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.445904][ T770] Tainted: [W]=WARN [ 34.445905][ T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.445907][ T770] Call Trace: [ 34.445908][ T770] [ 34.445909][ T770] dump_stack_lvl+0x6f/0xa0 [ 34.445915][ T770] __might_resched.cold+0x1fe/0x2c1 [ 34.445918][ T770] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.445922][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.445926][ T770] __kmalloc_noprof+0x443/0x760 [ 34.445929][ T770] ? __rwlock_init+0x150/0x150 [ 34.445932][ T770] ? alloc_buf.isra.0+0x4b/0x260 [ 34.445936][ T770] ? do_raw_spin_unlock+0x59/0x250 [ 34.445937][ T770] alloc_buf.isra.0+0x4b/0x260 [ 34.445939][ T770] put_chars+0x1e1/0x2f0 [ 34.445941][ T770] ? __send_to_port+0x420/0x420 [ 34.445943][ T770] ? printk_get_next_message+0x240/0x650 [ 34.445947][ T770] hvc_console_print+0x292/0x780 [ 34.445950][ T770] ? hvc_write+0x3a0/0x3a0 [ 34.445952][ T770] ? __rwlock_init+0x150/0x150 [ 34.445953][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.445955][ T770] ? lock_acquire+0x13c/0x160 [ 34.445957][ T770] console_emit_next_record+0x22f/0x4c0 [ 34.445959][ T770] ? devkmsg_read+0x4b0/0x4b0 [ 34.445962][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.445963][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.445965][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.445966][ T770] ? lock_acquire+0x13c/0x160 [ 34.445968][ T770] ? console_flush_one_record+0x111/0x710 [ 34.445970][ T770] console_flush_one_record+0x46f/0x710 [ 34.445972][ T770] ? console_emit_next_record+0x4c0/0x4c0 [ 34.445975][ T770] console_unlock+0xee/0x1f0 [ 34.445976][ T770] ? lock_acquire+0x13c/0x160 [ 34.445978][ T770] ? console_flush_one_record+0x710/0x710 [ 34.445979][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.445981][ T770] ? lock_release+0x184/0x1f0 [ 34.445983][ T770] ? lock_acquire+0x60/0x160 [ 34.445984][ T770] ? __rcu_read_lock+0x30/0x70 [ 34.445986][ T770] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.445988][ T770] ? vprintk_emit+0x320/0x3e0 [ 34.445990][ T770] vprintk_emit+0x37c/0x3e0 [ 34.445992][ T770] ? wake_up_klogd_work_func+0x90/0x90 [ 34.445994][ T770] ? kernel_text_address+0x149/0x170 [ 34.445996][ T770] ? __kernel_text_address+0x12/0x30 [ 34.445999][ T770] ? write_profile+0xf0/0xf0 [ 34.446002][ T770] ? unwind_get_return_address+0x67/0xd0 [ 34.446004][ T770] _printk+0xc7/0x100 [ 34.446007][ T770] ? snapshot_read.cold+0x21/0x21 [ 34.446009][ T770] ? netdev_name+0x43/0x60 [ 34.446012][ T770] ? __netdev_printk+0x17f/0x1d0 [ 34.446014][ T770] netdev_info+0xe2/0x116 [ 34.446015][ T770] ? netdev_notice+0x120/0x120 [ 34.446017][ T770] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 34.446022][ T770] ? __module_address+0x36/0x330 [ 34.446025][ T770] ? lock_acquire+0x13c/0x160 [ 34.446027][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446028][ T770] ? lock_release+0x184/0x1f0 [ 34.446030][ T770] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 34.446033][ T770] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 34.446037][ T770] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 34.446039][ T770] ? lock_acquire+0x13c/0x160 [ 34.446041][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446042][ T770] ? lock_release+0x184/0x1f0 [ 34.446044][ T770] ovpn_peer_remove+0x394/0x640 [ovpn] [ 34.446047][ T770] ? do_raw_spin_lock+0x131/0x280 [ 34.446049][ T770] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 34.446052][ T770] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 34.446055][ T770] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 34.446058][ T770] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 34.446060][ T770] ? trace_hardirqs_on+0x36/0x40 [ 34.446063][ T770] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 34.446065][ T770] ? ref_tracker_alloc+0x28d/0x430 [ 34.446070][ T770] ? lock_release+0x184/0x1f0 [ 34.446072][ T770] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 34.446075][ T770] genl_family_rcv_msg_doit+0x206/0x300 [ 34.446079][ T770] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 34.446081][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446083][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446085][ T770] ? cap_capable+0x1d7/0x3d0 [ 34.446089][ T770] ? write_profile+0xf0/0xf0 [ 34.446090][ T770] ? unwind_get_return_address+0x67/0xd0 [ 34.446091][ T770] genl_family_rcv_msg+0x3a4/0x640 [ 34.446094][ T770] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 34.446096][ T770] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 34.446098][ T770] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 34.446100][ T770] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 34.446102][ T770] ? filter_irq_stacks+0xd0/0xd0 [ 34.446104][ T770] ? stack_depot_save_flags+0x1bc/0x790 [ 34.446106][ T770] genl_rcv_msg+0xbb/0x160 [ 34.446108][ T770] netlink_rcv_skb+0x14e/0x3a0 [ 34.446110][ T770] ? genl_family_rcv_msg+0x640/0x640 [ 34.446112][ T770] ? netlink_ack+0xcf0/0xcf0 [ 34.446115][ T770] ? lock_acquire+0x13c/0x160 [ 34.446116][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446118][ T770] ? lock_release+0x184/0x1f0 [ 34.446120][ T770] genl_rcv+0x28/0x40 [ 34.446121][ T770] netlink_unicast+0x486/0x750 [ 34.446124][ T770] ? netlink_attachskb+0x810/0x810 [ 34.446125][ T770] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.446127][ T770] ? trace_hardirqs_on+0x36/0x40 [ 34.446128][ T770] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 34.446131][ T770] netlink_sendmsg+0x735/0xc60 [ 34.446133][ T770] ? netlink_unicast+0x750/0x750 [ 34.446135][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446137][ T770] ? lock_release+0x184/0x1f0 [ 34.446139][ T770] ____sys_sendmsg+0x415/0x880 [ 34.446142][ T770] ? copy_msghdr_from_user+0x279/0x420 [ 34.446144][ T770] ? get_timestamp.constprop.0+0x390/0x390 [ 34.446146][ T770] ? move_addr_to_kernel+0x40/0x40 [ 34.446148][ T770] ___sys_sendmsg+0x14e/0x1d0 [ 34.446150][ T770] ? copy_msghdr_from_user+0x420/0x420 [ 34.446152][ T770] ? kfree+0x22/0x590 [ 34.446156][ T770] __sys_sendmsg+0x12c/0x1d0 [ 34.446159][ T770] ? __sys_sendmsg_sock+0x20/0x20 [ 34.446161][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446163][ T770] ? rcu_is_watching+0x16/0xd0 [ 34.446165][ T770] do_syscall_64+0xff/0x530 [ 34.446168][ T770] ? exc_page_fault+0xee/0x100 [ 34.446169][ T770] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.446172][ T770] RIP: 0033:0x7f4215b4d54e [ 34.446173][ 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 [ 34.446175][ T770] RSP: 002b:00007ffcab10da80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.446178][ T770] RAX: ffffffffffffffda RBX: 000000002a700130 RCX: 00007f4215b4d54e [ 34.446180][ T770] RDX: 0000000000000000 RSI: 00007ffcab10db20 RDI: 0000000000000005 [ 34.446180][ T770] RBP: 00007ffcab10da90 R08: 0000000000000000 R09: 0000000000000000 [ 34.446181][ T770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002a700200 [ 34.446182][ T770] R13: 00007ffcab10db20 R14: 000000002a701260 R15: 000000000040bda8 [ 34.446184][ T770] [ 34.518111][ T774] tun2: deleting peer with id 11, reason 1 [ 39.137026][ T60] tun0: deleting peer with id 4, reason 2 [ 39.137042][ T60] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 39.137044][ T60] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 60, name: kworker/3:1 [ 39.137046][ T60] preempt_count: 202, expected: 0 [ 39.137047][ T60] RCU nest depth: 0, expected: 0 [ 39.137048][ T60] INFO: lockdep is turned off. [ 39.137049][ T60] irq event stamp: 28734 [ 39.137050][ T60] hardirqs last enabled at (28733): [] _raw_spin_unlock_irq+0x28/0x50 [ 39.137057][ T60] hardirqs last disabled at (28734): [] __schedule+0x1246/0x20e0 [ 39.137060][ T60] softirqs last enabled at (28722): [] process_one_work+0xe3e/0x1560 [ 39.137063][ T60] softirqs last disabled at (28718): [] neigh_managed_work+0x2d/0x220 [ 39.137068][ T60] Preemption disabled at: [ 39.137068][ T60] [<0000000000000000>] 0x0 [ 39.137074][ T60] CPU: 3 UID: 0 PID: 60 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 39.137078][ T60] Tainted: [W]=WARN [ 39.137079][ T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.137081][ T60] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 39.137089][ T60] Call Trace: [ 39.137090][ T60] [ 39.137092][ T60] dump_stack_lvl+0x6f/0xa0 [ 39.137097][ T60] __might_resched.cold+0x1fe/0x2c1 [ 39.137100][ T60] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 39.137104][ T60] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 39.137106][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137110][ T60] __kmalloc_noprof+0x443/0x760 [ 39.137113][ T60] ? __rwlock_init+0x150/0x150 [ 39.137116][ T60] ? alloc_buf.isra.0+0x4b/0x260 [ 39.137120][ T60] ? do_raw_spin_unlock+0x59/0x250 [ 39.137121][ T60] alloc_buf.isra.0+0x4b/0x260 [ 39.137123][ T60] put_chars+0x1e1/0x2f0 [ 39.137126][ T60] ? prb_final_commit+0x50/0x50 [ 39.137127][ T60] ? __send_to_port+0x420/0x420 [ 39.137129][ T60] ? printk_get_next_message+0x240/0x650 [ 39.137132][ T60] hvc_console_print+0x292/0x780 [ 39.137135][ T60] ? hvc_write+0x3a0/0x3a0 [ 39.137137][ T60] ? do_raw_spin_lock+0x131/0x280 [ 39.137138][ T60] ? vsnprintf+0x527/0x1700 [ 39.137140][ T60] ? __rwlock_init+0x150/0x150 [ 39.137142][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137144][ T60] ? lock_acquire+0x13c/0x160 [ 39.137146][ T60] console_emit_next_record+0x22f/0x4c0 [ 39.137148][ T60] ? devkmsg_read+0x4b0/0x4b0 [ 39.137150][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137152][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137153][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137155][ T60] ? lock_acquire+0x13c/0x160 [ 39.137157][ T60] ? console_flush_one_record+0x111/0x710 [ 39.137158][ T60] console_flush_one_record+0x46f/0x710 [ 39.137161][ T60] ? console_emit_next_record+0x4c0/0x4c0 [ 39.137163][ T60] console_unlock+0xee/0x1f0 [ 39.137165][ T60] ? lock_acquire+0x13c/0x160 [ 39.137166][ T60] ? console_flush_one_record+0x710/0x710 [ 39.137168][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137170][ T60] ? lock_release+0x184/0x1f0 [ 39.137171][ T60] ? lock_acquire+0x60/0x160 [ 39.137173][ T60] ? __rcu_read_lock+0x30/0x70 [ 39.137175][ T60] ? __down_trylock_console_sem+0x5e/0xa0 [ 39.137176][ T60] ? vprintk_emit+0x320/0x3e0 [ 39.137178][ T60] vprintk_emit+0x37c/0x3e0 [ 39.137180][ T60] ? wake_up_klogd_work_func+0x90/0x90 [ 39.137182][ T60] ? ret_from_fork_asm+0x11/0x20 [ 39.137185][ T60] ? queued_spin_lock_slowpath+0x103/0xa60 [ 39.137186][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137188][ T60] ? stack_access_ok+0x1e0/0x1e0 [ 39.137190][ T60] _printk+0xc7/0x100 [ 39.137193][ T60] ? snapshot_read.cold+0x21/0x21 [ 39.137195][ T60] ? __add_to_free_list+0x81/0x5c0 [ 39.137197][ T60] ? __mod_zone_page_state+0xe1/0x190 [ 39.137200][ T60] ? netdev_name+0x43/0x60 [ 39.137203][ T60] ? __netdev_printk+0x17f/0x1d0 [ 39.137205][ T60] netdev_info+0xe2/0x116 [ 39.137206][ T60] ? netdev_notice+0x120/0x120 [ 39.137208][ T60] ? free_pcppages_bulk+0x363/0x6e0 [ 39.137210][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137212][ T60] ? trace_irq_enable.constprop.0+0x30/0x160 [ 39.137214][ T60] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 39.137218][ T60] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 39.137220][ T60] ? __rwlock_init+0x150/0x150 [ 39.137222][ T60] ? lock_acquire+0x13c/0x160 [ 39.137224][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137226][ T60] ovpn_peer_remove+0x394/0x640 [ovpn] [ 39.137229][ T60] ? do_raw_spin_lock+0x131/0x280 [ 39.137231][ T60] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 39.137233][ T60] ? __rwlock_init+0x150/0x150 [ 39.137235][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137236][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 39.137237][ T60] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 39.137239][ T60] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 39.137242][ T60] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 39.137244][ T60] ? __rwlock_init+0x150/0x150 [ 39.137247][ T60] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 39.137250][ T60] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 39.137252][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137254][ T60] ? lock_acquire+0x13c/0x160 [ 39.137255][ T60] ? rcu_is_watching+0x16/0xd0 [ 39.137257][ T60] process_one_work+0xe3e/0x1560 [ 39.137260][ T60] ? __queue_delayed_work+0x470/0x470 [ 39.137262][ T60] ? find_held_lock+0x2b/0x80 [ 39.137264][ T60] ? __rwlock_init+0x150/0x150 [ 39.137266][ T60] worker_thread+0x4f1/0xd60 [ 39.137268][ T60] ? rescuer_thread+0x1340/0x1340 [ 39.137270][ T60] ? __kthread_parkme+0xbd/0x210 [ 39.137273][ T60] ? rescuer_thread+0x1340/0x1340 [ 39.137275][ T60] ? rescuer_thread+0x1340/0x1340 [ 39.137276][ T60] kthread+0x367/0x460 [ 39.137278][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 39.137279][ T60] ? kthread_affine_preferred+0x4c0/0x4c0 [ 39.137281][ T60] ret_from_fork+0x474/0x6b0 [ 39.137284][ T60] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 39.137285][ T60] ? __switch_to+0x5a3/0xe00 [ 39.137288][ T60] ? kthread_affine_preferred+0x4c0/0x4c0 [ 39.137289][ T60] ret_from_fork_asm+0x11/0x20 [ 39.137292][ T60] [ 39.157526][ T60] tun0: deleting peer with id 3, reason 2 [ 39.157692][ T60] tun0: deleting peer with id 5, reason 2 [ 40.161008][ T60] tun0: deleting peer with id 6, reason 2 [ 40.161012][ T60] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.161013][ T60] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 60, name: kworker/3:1 [ 40.161015][ T60] preempt_count: 202, expected: 0 [ 40.161015][ T60] RCU nest depth: 0, expected: 0 [ 40.161016][ T60] INFO: lockdep is turned off. [ 40.161017][ T60] irq event stamp: 28734 [ 40.161018][ T60] hardirqs last enabled at (28733): [] _raw_spin_unlock_irq+0x28/0x50 [ 40.161022][ T60] hardirqs last disabled at (28734): [] __schedule+0x1246/0x20e0 [ 40.161024][ T60] softirqs last enabled at (28722): [] process_one_work+0xe3e/0x1560 [ 40.161027][ T60] softirqs last disabled at (28718): [] neigh_managed_work+0x2d/0x220 [ 40.161031][ T60] Preemption disabled at: [ 40.161031][ T60] [<0000000000000000>] 0x0 [ 40.161035][ T60] CPU: 3 UID: 0 PID: 60 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.161037][ T60] Tainted: [W]=WARN [ 40.161038][ T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.161039][ T60] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.161045][ T60] Call Trace: [ 40.161046][ T60] [ 40.161047][ T60] dump_stack_lvl+0x6f/0xa0 [ 40.161051][ T60] __might_resched.cold+0x1fe/0x2c1 [ 40.161054][ T60] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.161057][ T60] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 40.161059][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161063][ T60] __kmalloc_noprof+0x443/0x760 [ 40.161066][ T60] ? __rwlock_init+0x150/0x150 [ 40.161068][ T60] ? alloc_buf.isra.0+0x4b/0x260 [ 40.161071][ T60] ? do_raw_spin_unlock+0x59/0x250 [ 40.161073][ T60] alloc_buf.isra.0+0x4b/0x260 [ 40.161075][ T60] put_chars+0x1e1/0x2f0 [ 40.161076][ T60] ? prb_final_commit+0x50/0x50 [ 40.161078][ T60] ? __send_to_port+0x420/0x420 [ 40.161080][ T60] ? printk_get_next_message+0x240/0x650 [ 40.161082][ T60] hvc_console_print+0x292/0x780 [ 40.161085][ T60] ? hvc_write+0x3a0/0x3a0 [ 40.161087][ T60] ? do_raw_spin_lock+0x131/0x280 [ 40.161088][ T60] ? vsnprintf+0x527/0x1700 [ 40.161090][ T60] ? __rwlock_init+0x150/0x150 [ 40.161092][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161094][ T60] ? lock_acquire+0x13c/0x160 [ 40.161096][ T60] console_emit_next_record+0x22f/0x4c0 [ 40.161098][ T60] ? devkmsg_read+0x4b0/0x4b0 [ 40.161100][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161102][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161103][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161105][ T60] ? lock_acquire+0x13c/0x160 [ 40.161107][ T60] ? console_flush_one_record+0x111/0x710 [ 40.161109][ T60] console_flush_one_record+0x46f/0x710 [ 40.161111][ T60] ? console_emit_next_record+0x4c0/0x4c0 [ 40.161113][ T60] console_unlock+0xee/0x1f0 [ 40.161115][ T60] ? lock_acquire+0x13c/0x160 [ 40.161117][ T60] ? console_flush_one_record+0x710/0x710 [ 40.161118][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161120][ T60] ? lock_release+0x184/0x1f0 [ 40.161122][ T60] ? lock_acquire+0x60/0x160 [ 40.161123][ T60] ? __rcu_read_lock+0x30/0x70 [ 40.161125][ T60] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.161127][ T60] ? vprintk_emit+0x320/0x3e0 [ 40.161129][ T60] vprintk_emit+0x37c/0x3e0 [ 40.161131][ T60] ? wake_up_klogd_work_func+0x90/0x90 [ 40.161133][ T60] ? arch_stack_walk+0xd7/0x130 [ 40.161136][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161138][ T60] _printk+0xc7/0x100 [ 40.161140][ T60] ? snapshot_read.cold+0x21/0x21 [ 40.161142][ T60] ? __add_to_free_list+0x81/0x5c0 [ 40.161144][ T60] ? __mod_zone_page_state+0xe1/0x190 [ 40.161146][ T60] ? netdev_name+0x43/0x60 [ 40.161148][ T60] ? __netdev_printk+0x17f/0x1d0 [ 40.161150][ T60] netdev_info+0xe2/0x116 [ 40.161152][ T60] ? netdev_notice+0x120/0x120 [ 40.161153][ T60] ? free_pcppages_bulk+0x363/0x6e0 [ 40.161155][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161157][ T60] ? trace_irq_enable.constprop.0+0x30/0x160 [ 40.161159][ T60] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 40.161162][ T60] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 40.161165][ T60] ? __rwlock_init+0x150/0x150 [ 40.161166][ T60] ? lock_acquire+0x13c/0x160 [ 40.161168][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161170][ T60] ovpn_peer_remove+0x394/0x640 [ovpn] [ 40.161173][ T60] ? do_raw_spin_lock+0x131/0x280 [ 40.161174][ T60] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 40.161177][ T60] ? __rwlock_init+0x150/0x150 [ 40.161178][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161180][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.161181][ T60] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 40.161183][ T60] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 40.161185][ T60] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 40.161188][ T60] ? __rwlock_init+0x150/0x150 [ 40.161190][ T60] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 40.161193][ T60] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 40.161195][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161197][ T60] ? lock_acquire+0x13c/0x160 [ 40.161199][ T60] ? rcu_is_watching+0x16/0xd0 [ 40.161201][ T60] process_one_work+0xe3e/0x1560 [ 40.161203][ T60] ? __queue_delayed_work+0x470/0x470 [ 40.161205][ T60] ? find_held_lock+0x2b/0x80 [ 40.161207][ T60] ? __rwlock_init+0x150/0x150 [ 40.161209][ T60] worker_thread+0x4f1/0xd60 [ 40.161211][ T60] ? rescuer_thread+0x1340/0x1340 [ 40.161213][ T60] ? __kthread_parkme+0xbd/0x210 [ 40.161216][ T60] ? rescuer_thread+0x1340/0x1340 [ 40.161217][ T60] ? rescuer_thread+0x1340/0x1340 [ 40.161219][ T60] kthread+0x367/0x460 [ 40.161220][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.161222][ T60] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.161223][ T60] ret_from_fork+0x474/0x6b0 [ 40.161225][ T60] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 40.161227][ T60] ? __switch_to+0x5a3/0xe00 [ 40.161229][ T60] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.161230][ T60] ret_from_fork_asm+0x11/0x20 [ 40.161234][ T60] [ 45.218031][ T66] tun3: deleting peer with id 12, reason 2 [ 45.218046][ T66] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 45.218048][ T66] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 66, name: kworker/2:2 [ 45.218050][ T66] preempt_count: 202, expected: 0 [ 45.218051][ T66] RCU nest depth: 0, expected: 0 [ 45.218051][ T66] INFO: lockdep is turned off. [ 45.218053][ T66] irq event stamp: 13524 [ 45.218053][ T66] hardirqs last enabled at (13523): [] _raw_spin_unlock_irq+0x28/0x50 [ 45.218060][ T66] hardirqs last disabled at (13524): [] __schedule+0x1246/0x20e0 [ 45.218063][ T66] softirqs last enabled at (13464): [] handle_softirqs+0x67c/0x900 [ 45.218067][ T66] softirqs last disabled at (13425): [] do_softirq+0xac/0xe0 [ 45.218068][ T66] Preemption disabled at: [ 45.218069][ T66] [<0000000000000000>] 0x0 [ 45.218075][ T66] CPU: 2 UID: 0 PID: 66 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 45.218078][ T66] Tainted: [W]=WARN [ 45.218079][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.218081][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.218088][ T66] Call Trace: [ 45.218090][ T66] [ 45.218091][ T66] dump_stack_lvl+0x6f/0xa0 [ 45.218096][ T66] __might_resched.cold+0x1fe/0x2c1 [ 45.218100][ T66] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 45.218103][ T66] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 45.218106][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218110][ T66] __kmalloc_noprof+0x443/0x760 [ 45.218113][ T66] ? __rwlock_init+0x150/0x150 [ 45.218115][ T66] ? alloc_buf.isra.0+0x4b/0x260 [ 45.218119][ T66] ? do_raw_spin_unlock+0x59/0x250 [ 45.218121][ T66] alloc_buf.isra.0+0x4b/0x260 [ 45.218123][ T66] put_chars+0x1e1/0x2f0 [ 45.218125][ T66] ? prb_final_commit+0x50/0x50 [ 45.218126][ T66] ? __send_to_port+0x420/0x420 [ 45.218128][ T66] ? printk_get_next_message+0x240/0x650 [ 45.218131][ T66] hvc_console_print+0x292/0x780 [ 45.218134][ T66] ? hvc_write+0x3a0/0x3a0 [ 45.218136][ T66] ? do_raw_spin_lock+0x131/0x280 [ 45.218137][ T66] ? vsnprintf+0x527/0x1700 [ 45.218139][ T66] ? __rwlock_init+0x150/0x150 [ 45.218141][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218142][ T66] ? lock_acquire+0x13c/0x160 [ 45.218144][ T66] console_emit_next_record+0x22f/0x4c0 [ 45.218147][ T66] ? devkmsg_read+0x4b0/0x4b0 [ 45.218149][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218150][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218152][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218154][ T66] ? lock_acquire+0x13c/0x160 [ 45.218155][ T66] ? console_flush_one_record+0x111/0x710 [ 45.218157][ T66] console_flush_one_record+0x46f/0x710 [ 45.218159][ T66] ? console_emit_next_record+0x4c0/0x4c0 [ 45.218162][ T66] console_unlock+0xee/0x1f0 [ 45.218163][ T66] ? lock_acquire+0x13c/0x160 [ 45.218165][ T66] ? console_flush_one_record+0x710/0x710 [ 45.218166][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218168][ T66] ? lock_release+0x184/0x1f0 [ 45.218169][ T66] ? lock_acquire+0x60/0x160 [ 45.218171][ T66] ? __rcu_read_lock+0x30/0x70 [ 45.218173][ T66] ? __down_trylock_console_sem+0x5e/0xa0 [ 45.218174][ T66] ? vprintk_emit+0x320/0x3e0 [ 45.218176][ T66] vprintk_emit+0x37c/0x3e0 [ 45.218179][ T66] ? wake_up_klogd_work_func+0x90/0x90 [ 45.218180][ T66] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 45.218182][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218183][ T66] ? trace_sched_wakeup+0x9b/0x160 [ 45.218186][ T66] _printk+0xc7/0x100 [ 45.218188][ T66] ? snapshot_read.cold+0x21/0x21 [ 45.218190][ T66] ? try_to_wake_up+0x153/0x1130 [ 45.218192][ T66] ? select_fallback_rq+0x510/0x510 [ 45.218193][ T66] ? netdev_name+0x43/0x60 [ 45.218195][ T66] ? __netdev_printk+0x17f/0x1d0 [ 45.218197][ T66] netdev_info+0xe2/0x116 [ 45.218199][ T66] ? netdev_notice+0x120/0x120 [ 45.218201][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218203][ T66] ? __queue_work+0x3ab/0xd30 [ 45.218206][ T66] ? trace_irq_enable.constprop.0+0x30/0x160 [ 45.218208][ T66] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 45.218212][ T66] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 45.218214][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218216][ T66] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.218218][ T66] ovpn_peer_remove+0x394/0x640 [ovpn] [ 45.218221][ T66] ? do_raw_spin_lock+0x131/0x280 [ 45.218223][ T66] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 45.218225][ T66] ? __rwlock_init+0x150/0x150 [ 45.218227][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218228][ T66] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.218229][ T66] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 45.218231][ T66] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 45.218234][ T66] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 45.218236][ T66] ? __rwlock_init+0x150/0x150 [ 45.218238][ T66] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 45.218241][ T66] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 45.218244][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218245][ T66] ? lock_acquire+0x13c/0x160 [ 45.218247][ T66] ? rcu_is_watching+0x16/0xd0 [ 45.218249][ T66] ? process_one_work+0xdfc/0x1560 [ 45.218250][ T66] process_one_work+0xe3e/0x1560 [ 45.218253][ T66] ? __queue_delayed_work+0x470/0x470 [ 45.218255][ T66] ? worker_thread+0x3df/0xd60 [ 45.218257][ T66] ? __rwlock_init+0x150/0x150 [ 45.218259][ T66] worker_thread+0x4f1/0xd60 [ 45.218261][ T66] ? rescuer_thread+0x1340/0x1340 [ 45.218263][ T66] ? __kthread_parkme+0xbd/0x210 [ 45.218265][ T66] ? rescuer_thread+0x1340/0x1340 [ 45.218267][ T66] ? rescuer_thread+0x1340/0x1340 [ 45.218268][ T66] kthread+0x367/0x460 [ 45.218270][ T66] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.218271][ T66] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.218273][ T66] ret_from_fork+0x474/0x6b0 [ 45.218275][ T66] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 45.218277][ T66] ? __switch_to+0x5a3/0xe00 [ 45.218279][ T66] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.218281][ T66] ret_from_fork_asm+0x11/0x20 [ 45.218284][ T66] [ 45.281018][ T60] tun4: deleting peer with id 13, reason 2 [ 45.345021][ T9] tun5: deleting peer with id 14, reason 2 [ 45.410020][ T66] tun6: deleting peer with id 15, reason 2