[ 18.827429][ T330] ip (330) used greatest stack depth: 24016 bytes left [ 18.827446][ T330] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.827449][ T330] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 330, name: ip [ 18.827450][ T330] preempt_count: 2, expected: 0 [ 18.827451][ T330] RCU nest depth: 0, expected: 0 [ 18.827452][ T330] locks held by ip/330: 5, last CPU#3: [ 18.827454][ T330] #0: ffffffff9f8127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 18.827466][ T330] #1: ffffffff9f979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.827472][ T330] #2: ffffffff9f979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.827476][ T330] #3: ffffffff9f899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.827480][ T330] #4: ffffffff9f899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.827485][ T330] irq event stamp: 26338 [ 18.827485][ T330] hardirqs last enabled at (26337): [] __down_trylock_console_sem+0x86/0xa0 [ 18.827488][ T330] hardirqs last disabled at (26338): [] console_emit_next_record+0x3d4/0x4c0 [ 18.827490][ T330] softirqs last enabled at (25908): [] handle_softirqs+0x67c/0x900 [ 18.827492][ T330] softirqs last disabled at (25903): [] __irq_exit_rcu+0x145/0x1c0 [ 18.827495][ T330] Preemption disabled at: [ 18.827495][ T330] [<0000000000000000>] 0x0 [ 18.827502][ T330] CPU: 3 UID: 0 PID: 330 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.827506][ T330] Tainted: [W]=WARN [ 18.827507][ T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.827509][ T330] Call Trace: [ 18.827510][ T330] [ 18.827512][ T330] dump_stack_lvl+0x6f/0xa0 [ 18.827518][ T330] __might_resched.cold+0x1fe/0x2c1 [ 18.827523][ T330] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.827528][ T330] ? __kmalloc_noprof+0xdb/0x760 [ 18.827533][ T330] __kmalloc_noprof+0x443/0x760 [ 18.827536][ T330] ? alloc_buf.isra.0+0x4b/0x260 [ 18.827542][ T330] ? do_raw_spin_unlock+0x59/0x250 [ 18.827545][ T330] alloc_buf.isra.0+0x4b/0x260 [ 18.827548][ T330] put_chars+0x1e1/0x2f0 [ 18.827552][ T330] ? __send_to_port+0x420/0x420 [ 18.827553][ T330] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.827559][ T330] ? validate_chain+0x38b/0xc20 [ 18.827565][ T330] hvc_console_print+0x292/0x780 [ 18.827572][ T330] ? hvc_write+0x3a0/0x3a0 [ 18.827574][ T330] ? rcu_is_watching+0x16/0xd0 [ 18.827577][ T330] ? lock_acquire+0x13c/0x160 [ 18.827581][ T330] console_emit_next_record+0x22f/0x4c0 [ 18.827585][ T330] ? devkmsg_read+0x4b0/0x4b0 [ 18.827587][ T330] ? console_flush_one_record+0x106/0x710 [ 18.827591][ T330] ? rcu_is_watching+0x16/0xd0 [ 18.827593][ T330] ? lock_acquire+0x13c/0x160 [ 18.827598][ T330] console_flush_one_record+0x46f/0x710 [ 18.827602][ T330] ? console_emit_next_record+0x4c0/0x4c0 [ 18.827604][ T330] ? __lock_acquire+0x518/0xc20 [ 18.827610][ T330] console_unlock+0xee/0x1f0 [ 18.827613][ T330] ? console_flush_one_record+0x710/0x710 [ 18.827615][ T330] ? rcu_is_watching+0x16/0xd0 [ 18.827617][ T330] ? lock_acquire+0x60/0x160 [ 18.827621][ T330] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.827623][ T330] ? vprintk_emit+0x320/0x3e0 [ 18.827627][ T330] vprintk_emit+0x37c/0x3e0 [ 18.827631][ T330] ? wake_up_klogd_work_func+0x90/0x90 [ 18.827635][ T330] ? __lock_acquire+0x518/0xc20 [ 18.827639][ T330] _printk+0xc7/0x100 [ 18.827642][ T330] ? snapshot_read.cold+0x21/0x21 [ 18.827648][ T330] ? do_raw_spin_lock+0x131/0x280 [ 18.827650][ T330] ? __rwlock_init+0x150/0x150 [ 18.827655][ T330] ? do_raw_spin_lock+0x131/0x280 [ 18.827657][ T330] do_exit.cold+0x82/0x9c [ 18.827665][ T330] ? exit_notify+0x890/0x890 [ 18.827666][ T330] ? __lock_release.isra.0+0x69/0x1a0 [ 18.827669][ T330] ? rcu_is_watching+0x16/0xd0 [ 18.827674][ T330] do_group_exit+0xb8/0x370 [ 18.827677][ T330] __x64_sys_exit_group+0x3c/0x50 [ 18.827679][ T330] x64_sys_call+0x1567/0x1570 [ 18.827682][ T330] do_syscall_64+0xff/0x530 [ 18.827686][ T330] ? exc_page_fault+0xee/0x100 [ 18.827689][ T330] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.827691][ T330] RIP: 0033:0x7fca871fe1b8 [ 18.827694][ T330] Code: Unable to access opcode bytes at 0x7fca871fe18e. [ 18.827695][ T330] RSP: 002b:00007ffdb44f1768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.827697][ T330] RAX: ffffffffffffffda RBX: 00007fca8732ef88 RCX: 00007fca871fe1b8 [ 18.827699][ T330] RDX: 00007fca86f48fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 18.827700][ T330] RBP: 00007ffdb44f17c0 R08: 0000000000000000 R09: 0000000000000000 [ 18.827701][ T330] R10: 00007ffdb44f1580 R11: 0000000000000246 R12: 0000000000000001 [ 18.827701][ T330] R13: 0000000000000000 R14: 00007fca8732d680 R15: 00007fca8732efa0 [ 18.827709][ T330] [ 25.929437][ C2] tun0: no available key for peer 2, key-id: 0 [ 25.929473][ C2] [ 25.929474][ C2] ======================================================== [ 25.929475][ C2] WARNING: possible irq lock inversion dependency detected [ 25.929477][ C2] 7.2.0-virtme #1 Tainted: G W [ 25.929479][ C2] -------------------------------------------------------- [ 25.929479][ C2] kworker/u16:1/69 just changed the state of lock: [ 25.929480][ C2] ffffffff9f899660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.929494][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 25.929495][ C2] (fs_reclaim){+.+.}-{0:0} [ 25.929496][ C2] [ 25.929496][ C2] [ 25.929496][ C2] and interrupts could create inverse lock ordering between them. [ 25.929496][ C2] [ 25.929497][ C2] [ 25.929497][ C2] other info that might help us debug this: [ 25.929497][ C2] Possible interrupt unsafe locking scenario: [ 25.929497][ C2] [ 25.929498][ C2] CPU0 CPU1 [ 25.929498][ C2] ---- ---- [ 25.929499][ C2] lock(fs_reclaim); [ 25.929500][ C2] local_irq_disable(); [ 25.929500][ C2] lock(console_owner); [ 25.929501][ C2] lock(fs_reclaim); [ 25.929502][ C2] [ 25.929502][ C2] lock(console_owner); [ 25.929503][ C2] [ 25.929503][ C2] *** DEADLOCK *** [ 25.929503][ C2] [ 25.929503][ C2] locks held by kworker/u16:1/69: 11, last CPU#2: [ 25.929505][ C2] #0: ff11000008d39d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 25.929510][ C2] #1: ffa00000004a7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 25.929513][ C2] #2: ffffffffa00e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 25.929518][ C2] #3: ffffffff9f990b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 25.929522][ C2] #4: ffffffff9f990b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 25.929525][ C2] #5: ffffffff9f990b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 25.929530][ C2] #6: ffffffff9f990b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 25.929535][ C2] #7: ff11000019d53818 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 25.929539][ C2] #8: ffffffff9f990b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 25.929546][ C2] #9: ffffffff9f979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.929549][ C2] #10: ffffffff9f979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.929552][ C2] [ 25.929552][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 25.929557][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 25.929559][ C2] HARDIRQ-ON-W at: [ 25.929561][ C2] __lock_acquire+0x388/0xc20 [ 25.929564][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929566][ C2] fs_reclaim_acquire+0xd5/0x120 [ 25.929568][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 25.929571][ C2] kthread_create_worker_on_node+0xea/0x210 [ 25.929573][ C2] workqueue_init+0x2a/0x680 [ 25.929577][ C2] kernel_init_freeable+0x2fe/0x630 [ 25.929579][ C2] kernel_init+0x21/0x150 [ 25.929582][ C2] ret_from_fork+0x474/0x6b0 [ 25.929585][ C2] ret_from_fork_asm+0x11/0x20 [ 25.929588][ C2] SOFTIRQ-ON-W at: [ 25.929589][ C2] __lock_acquire+0x388/0xc20 [ 25.929590][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929592][ C2] fs_reclaim_acquire+0xd5/0x120 [ 25.929593][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 25.929594][ C2] kthread_create_worker_on_node+0xea/0x210 [ 25.929595][ C2] workqueue_init+0x2a/0x680 [ 25.929596][ C2] kernel_init_freeable+0x2fe/0x630 [ 25.929598][ C2] kernel_init+0x21/0x150 [ 25.929599][ C2] ret_from_fork+0x474/0x6b0 [ 25.929601][ C2] ret_from_fork_asm+0x11/0x20 [ 25.929602][ C2] INITIAL USE at: [ 25.929603][ C2] __lock_acquire+0x388/0xc20 [ 25.929604][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929605][ C2] fs_reclaim_acquire+0xd5/0x120 [ 25.929606][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 25.929608][ C2] kthread_create_worker_on_node+0xea/0x210 [ 25.929609][ C2] workqueue_init+0x2a/0x680 [ 25.929610][ C2] kernel_init_freeable+0x2fe/0x630 [ 25.929612][ C2] kernel_init+0x21/0x150 [ 25.929613][ C2] ret_from_fork+0x474/0x6b0 [ 25.929614][ C2] ret_from_fork_asm+0x11/0x20 [ 25.929615][ C2] } [ 25.929616][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 25.929619][ C2] ... acquired at: [ 25.929620][ C2] __lock_acquire+0x518/0xc20 [ 25.929622][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929623][ C2] fs_reclaim_acquire+0xd5/0x120 [ 25.929624][ C2] __kmalloc_noprof+0xd3/0x760 [ 25.929625][ C2] alloc_buf.isra.0+0x4b/0x260 [ 25.929628][ C2] put_chars+0x1e1/0x2f0 [ 25.929630][ C2] hvc_console_print+0x292/0x780 [ 25.929632][ C2] console_emit_next_record+0x22f/0x4c0 [ 25.929634][ C2] console_flush_one_record+0x46f/0x710 [ 25.929636][ C2] console_unlock+0xee/0x1f0 [ 25.929637][ C2] vprintk_emit+0x37c/0x3e0 [ 25.929639][ C2] dev_vprintk_emit+0x27f/0x2c0 [ 25.929642][ C2] dev_printk_emit+0xb9/0xee [ 25.929647][ C2] _dev_info+0xe2/0x116 [ 25.929649][ C2] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 25.929651][ C2] cmos_do_probe+0x73b/0x98a [ 25.929652][ C2] platform_probe+0xfe/0x1f0 [ 25.929655][ C2] call_driver_probe+0x61/0x1c0 [ 25.929657][ C2] really_probe+0x199/0x760 [ 25.929659][ C2] __driver_probe_device+0x24f/0x440 [ 25.929660][ C2] driver_probe_device+0x4a/0xf0 [ 25.929662][ C2] __driver_attach+0x1b8/0x540 [ 25.929664][ C2] bus_for_each_dev+0x130/0x1e0 [ 25.929665][ C2] bus_add_driver+0x2c8/0x530 [ 25.929666][ C2] driver_register+0x1a3/0x390 [ 25.929668][ C2] __platform_driver_probe+0x13f/0x270 [ 25.929669][ C2] cmos_init+0x31/0x40 [ 25.929672][ C2] do_one_initcall+0x124/0x4f0 [ 25.929674][ C2] kernel_init_freeable+0x596/0x630 [ 25.929675][ C2] kernel_init+0x21/0x150 [ 25.929676][ C2] ret_from_fork+0x474/0x6b0 [ 25.929677][ C2] ret_from_fork_asm+0x11/0x20 [ 25.929679][ C2] [ 25.929679][ C2] -> (console_owner){..-.}-{0:0} { [ 25.929681][ C2] IN-SOFTIRQ-W at: [ 25.929681][ C2] __lock_acquire+0x388/0xc20 [ 25.929689][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929690][ C2] console_lock_spinning_enable+0x5c/0x60 [ 25.929692][ C2] console_emit_next_record+0x1d1/0x4c0 [ 25.929693][ C2] console_flush_one_record+0x46f/0x710 [ 25.929695][ C2] console_unlock+0xee/0x1f0 [ 25.929697][ C2] vprintk_emit+0x37c/0x3e0 [ 25.929698][ C2] _printk+0xc7/0x100 [ 25.929701][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 25.929704][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 25.929706][ C2] __strp_recv+0x20f/0x1c20 [ 25.929709][ C2] __tcp_read_sock+0x1c7/0x850 [ 25.929712][ C2] strp_read_sock+0x20f/0x2b0 [ 25.929714][ C2] strp_data_ready+0x18e/0x2c0 [ 25.929715][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 25.929718][ C2] tcp_data_queue+0xd25/0x1fb0 [ 25.929720][ C2] tcp_rcv_established+0x66d/0x3910 [ 25.929721][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 25.929723][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 25.929724][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 25.929726][ C2] ip_local_deliver_finish+0x36f/0x610 [ 25.929727][ C2] ip_local_deliver+0x184/0x4c0 [ 25.929728][ C2] ip_rcv+0xdc/0x3d0 [ 25.929730][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 25.929732][ C2] process_backlog+0x431/0x14c0 [ 25.929733][ C2] __napi_poll+0xa7/0x3b0 [ 25.929735][ C2] net_rx_action+0x513/0xf50 [ 25.929737][ C2] handle_softirqs+0x1d3/0x900 [ 25.929739][ C2] do_softirq+0xac/0xe0 [ 25.929741][ C2] __local_bh_enable_ip+0x118/0x150 [ 25.929742][ C2] __dev_queue_xmit+0x979/0x1b80 [ 25.929744][ C2] ip6_finish_output2+0x423/0x12a0 [ 25.929746][ C2] ip6_finish_output+0x646/0xda0 [ 25.929747][ C2] ip6_output+0x23f/0x7f0 [ 25.929748][ C2] ndisc_send_skb+0xba3/0x1520 [ 25.929749][ C2] addrconf_dad_completed+0x37e/0xe10 [ 25.929751][ C2] addrconf_dad_begin+0x2e1/0x540 [ 25.929753][ C2] addrconf_dad_work+0x170/0x930 [ 25.929754][ C2] process_one_work+0xe3e/0x1560 [ 25.929756][ C2] worker_thread+0x4f1/0xd60 [ 25.929757][ C2] kthread+0x367/0x460 [ 25.929759][ C2] ret_from_fork+0x474/0x6b0 [ 25.929760][ C2] ret_from_fork_asm+0x11/0x20 [ 25.929761][ C2] INITIAL USE at: [ 25.929762][ C2] } [ 25.929763][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 25.929766][ C2] ... acquired at: [ 25.929767][ C2] mark_lock+0x1d7/0xa00 [ 25.929768][ C2] mark_usage+0x42/0x170 [ 25.929769][ C2] __lock_acquire+0x388/0xc20 [ 25.929771][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929772][ C2] console_lock_spinning_enable+0x5c/0x60 [ 25.929773][ C2] console_emit_next_record+0x1d1/0x4c0 [ 25.929775][ C2] console_flush_one_record+0x46f/0x710 [ 25.929776][ C2] console_unlock+0xee/0x1f0 [ 25.929778][ C2] vprintk_emit+0x37c/0x3e0 [ 25.929779][ C2] _printk+0xc7/0x100 [ 25.929781][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 25.929783][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 25.929785][ C2] __strp_recv+0x20f/0x1c20 [ 25.929787][ C2] __tcp_read_sock+0x1c7/0x850 [ 25.929788][ C2] strp_read_sock+0x20f/0x2b0 [ 25.929790][ C2] strp_data_ready+0x18e/0x2c0 [ 25.929791][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 25.929793][ C2] tcp_data_queue+0xd25/0x1fb0 [ 25.929795][ C2] tcp_rcv_established+0x66d/0x3910 [ 25.929797][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 25.929798][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 25.929799][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 25.929801][ C2] ip_local_deliver_finish+0x36f/0x610 [ 25.929802][ C2] ip_local_deliver+0x184/0x4c0 [ 25.929803][ C2] ip_rcv+0xdc/0x3d0 [ 25.929804][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 25.929806][ C2] process_backlog+0x431/0x14c0 [ 25.929808][ C2] __napi_poll+0xa7/0x3b0 [ 25.929809][ C2] net_rx_action+0x513/0xf50 [ 25.929811][ C2] handle_softirqs+0x1d3/0x900 [ 25.929812][ C2] do_softirq+0xac/0xe0 [ 25.929813][ C2] __local_bh_enable_ip+0x118/0x150 [ 25.929814][ C2] __dev_queue_xmit+0x979/0x1b80 [ 25.929816][ C2] ip6_finish_output2+0x423/0x12a0 [ 25.929817][ C2] ip6_finish_output+0x646/0xda0 [ 25.929819][ C2] ip6_output+0x23f/0x7f0 [ 25.929820][ C2] ndisc_send_skb+0xba3/0x1520 [ 25.929821][ C2] addrconf_dad_completed+0x37e/0xe10 [ 25.929823][ C2] addrconf_dad_begin+0x2e1/0x540 [ 25.929824][ C2] addrconf_dad_work+0x170/0x930 [ 25.929826][ C2] process_one_work+0xe3e/0x1560 [ 25.929827][ C2] worker_thread+0x4f1/0xd60 [ 25.929829][ C2] kthread+0x367/0x460 [ 25.929830][ C2] ret_from_fork+0x474/0x6b0 [ 25.929831][ C2] ret_from_fork_asm+0x11/0x20 [ 25.929832][ C2] [ 25.929833][ C2] [ 25.929833][ C2] stack backtrace: [ 25.929836][ C2] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.929839][ C2] Tainted: [W]=WARN [ 25.929840][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.929841][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 25.929845][ C2] Call Trace: [ 25.929846][ C2] [ 25.929847][ C2] dump_stack_lvl+0x6f/0xa0 [ 25.929851][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 25.929853][ C2] mark_lock_irq+0x989/0x9c0 [ 25.929855][ C2] ? add_lock_to_list+0x2c/0x1a0 [ 25.929858][ C2] mark_lock+0x1d7/0xa00 [ 25.929859][ C2] mark_usage+0x42/0x170 [ 25.929861][ C2] __lock_acquire+0x388/0xc20 [ 25.929863][ C2] lock_acquire.part.0+0xd4/0x280 [ 25.929865][ C2] ? console_lock_spinning_enable+0x40/0x60 [ 25.929867][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.929870][ C2] ? lock_acquire+0x13c/0x160 [ 25.929872][ C2] console_lock_spinning_enable+0x5c/0x60 [ 25.929874][ C2] ? console_lock_spinning_enable+0x40/0x60 [ 25.929875][ C2] console_emit_next_record+0x1d1/0x4c0 [ 25.929878][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 25.929879][ C2] ? console_flush_one_record+0x106/0x710 [ 25.929881][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.929883][ C2] ? lock_acquire+0x13c/0x160 [ 25.929885][ C2] console_flush_one_record+0x46f/0x710 [ 25.929887][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 25.929889][ C2] ? __lock_acquire+0x518/0xc20 [ 25.929891][ C2] console_unlock+0xee/0x1f0 [ 25.929892][ C2] ? console_flush_one_record+0x710/0x710 [ 25.929894][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.929896][ C2] ? lock_acquire+0x60/0x160 [ 25.929898][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.929899][ C2] ? vprintk_emit+0x320/0x3e0 [ 25.929901][ C2] vprintk_emit+0x37c/0x3e0 [ 25.929903][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 25.929905][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.929907][ C2] _printk+0xc7/0x100 [ 25.929909][ C2] ? snapshot_read.cold+0x21/0x21 [ 25.929911][ C2] ? ___ratelimit+0x4e7/0xa00 [ 25.929914][ C2] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 25.929917][ C2] ? idr_get_free+0x830/0x830 [ 25.929919][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 25.929922][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 25.929925][ C2] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 25.929928][ C2] ? __copy_skb_header+0xb7/0x510 [ 25.929931][ C2] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 25.929933][ C2] ? sock_queue_err_skb+0xb0/0x680 [ 25.929935][ C2] __strp_recv+0x20f/0x1c20 [ 25.929938][ C2] ? update_load_avg+0x141/0xf00 [ 25.929941][ C2] __tcp_read_sock+0x1c7/0x850 [ 25.929942][ C2] ? strp_process+0xb0/0xb0 [ 25.929944][ C2] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 25.929946][ C2] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.929948][ C2] ? mark_usage+0x61/0x170 [ 25.929950][ C2] strp_read_sock+0x20f/0x2b0 [ 25.929952][ C2] ? strp_stop+0x50/0x50 [ 25.929954][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.929956][ C2] ? lock_acquire+0x13c/0x160 [ 25.929957][ C2] strp_data_ready+0x18e/0x2c0 [ 25.929959][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 25.929962][ C2] tcp_data_queue+0xd25/0x1fb0 [ 25.929965][ C2] ? tcp_data_ready+0x4a0/0x4a0 [ 25.929966][ C2] ? tcp_send_dupack+0xc40/0xc40 [ 25.929968][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 25.929970][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 25.929972][ C2] ? ktime_get+0x18e/0x2d0 [ 25.929974][ C2] ? kvm_clock_get_cycles+0x19/0x30 [ 25.929977][ C2] tcp_rcv_established+0x66d/0x3910 [ 25.929979][ C2] ? down_read_nested+0x100/0x500 [ 25.929982][ C2] ? __tcp_check_space+0x600/0x600 [ 25.929983][ C2] ? tcp_v4_rcv+0x1a81/0x2b70 [ 25.929985][ C2] ? do_raw_spin_lock+0x131/0x280 [ 25.929987][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 25.929989][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 25.929992][ C2] ? mark_usage+0x61/0x170 [ 25.929993][ C2] ? tcp_add_backlog+0x1e30/0x1e30 [ 25.929995][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.929997][ C2] ? ip_local_deliver_finish+0x2ba/0x610 [ 25.929999][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 25.930001][ C2] ? process_backlog+0x3f1/0x14c0 [ 25.930002][ C2] ip_local_deliver_finish+0x36f/0x610 [ 25.930004][ C2] ip_local_deliver+0x184/0x4c0 [ 25.930006][ C2] ? ip_local_deliver_finish+0x610/0x610 [ 25.930008][ C2] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 25.930010][ C2] ? process_backlog+0x3f1/0x14c0 [ 25.930012][ C2] ip_rcv+0xdc/0x3d0 [ 25.930013][ C2] ? ip_local_deliver+0x4c0/0x4c0 [ 25.930015][ C2] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.930017][ C2] ? mark_usage+0x61/0x170 [ 25.930018][ C2] ? __lock_acquire+0x518/0xc20 [ 25.930020][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 25.930022][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 25.930024][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930025][ C2] ? process_backlog+0x3f1/0x14c0 [ 25.930027][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 25.930029][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930032][ C2] process_backlog+0x431/0x14c0 [ 25.930034][ C2] __napi_poll+0xa7/0x3b0 [ 25.930037][ C2] net_rx_action+0x513/0xf50 [ 25.930039][ C2] ? __napi_poll+0x3b0/0x3b0 [ 25.930041][ C2] ? mark_held_locks+0x40/0x70 [ 25.930043][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 25.930044][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 25.930047][ C2] ? clockevents_program_event+0x307/0x7e0 [ 25.930050][ C2] ? mark_held_locks+0x40/0x70 [ 25.930051][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930053][ C2] ? mark_held_locks+0x40/0x70 [ 25.930054][ C2] handle_softirqs+0x1d3/0x900 [ 25.930056][ C2] ? _local_bh_enable+0xc0/0xc0 [ 25.930058][ C2] ? _local_bh_enable+0xc0/0xc0 [ 25.930059][ C2] ? __dev_queue_xmit+0x964/0x1b80 [ 25.930061][ C2] do_softirq+0xac/0xe0 [ 25.930063][ C2] [ 25.930063][ C2] [ 25.930064][ C2] __local_bh_enable_ip+0x118/0x150 [ 25.930065][ C2] __dev_queue_xmit+0x979/0x1b80 [ 25.930068][ C2] ? __lock_acquire+0x518/0xc20 [ 25.930069][ C2] ? do_ipv6_getsockopt+0x1a34/0x2e80 [ 25.930071][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 25.930073][ C2] ? find_held_lock+0x2b/0x80 [ 25.930074][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930076][ C2] ? __rwlock_init+0x150/0x150 [ 25.930077][ C2] ? mark_held_locks+0x40/0x70 [ 25.930079][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 25.930080][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930081][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930083][ C2] ? ___neigh_create+0x811/0x1070 [ 25.930086][ C2] ip6_finish_output2+0x423/0x12a0 [ 25.930088][ C2] ? ip6_dst_lookup+0x80/0x80 [ 25.930090][ C2] ? find_held_lock+0x2b/0x80 [ 25.930091][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930093][ C2] ? ip6_mtu+0x15d/0x310 [ 25.930095][ C2] ip6_finish_output+0x646/0xda0 [ 25.930097][ C2] ip6_output+0x23f/0x7f0 [ 25.930099][ C2] ? ip6_finish_output+0xda0/0xda0 [ 25.930100][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930102][ C2] ? find_held_lock+0x2b/0x80 [ 25.930103][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930105][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930107][ C2] ndisc_send_skb+0xba3/0x1520 [ 25.930109][ C2] ? ndisc_recv_na+0xea0/0xea0 [ 25.930111][ C2] ? ndisc_alloc_skb+0x2da/0x490 [ 25.930112][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930114][ C2] addrconf_dad_completed+0x37e/0xe10 [ 25.930116][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930118][ C2] ? addrconf_rs_timer+0x770/0x770 [ 25.930120][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930121][ C2] ? __rwlock_init+0x150/0x150 [ 25.930122][ C2] ? mark_held_locks+0x40/0x70 [ 25.930124][ C2] ? addrconf_dad_begin+0x2e1/0x540 [ 25.930126][ C2] addrconf_dad_begin+0x2e1/0x540 [ 25.930128][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930130][ C2] ? addrconf_dad_completed+0xe10/0xe10 [ 25.930131][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930133][ C2] ? __rwlock_init+0x150/0x150 [ 25.930134][ C2] ? mark_held_locks+0x40/0x70 [ 25.930136][ C2] addrconf_dad_work+0x170/0x930 [ 25.930139][ C2] ? addrconf_dad_begin+0x540/0x540 [ 25.930141][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930142][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930144][ C2] ? lock_acquire+0x13c/0x160 [ 25.930145][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930147][ C2] process_one_work+0xe3e/0x1560 [ 25.930150][ C2] ? __queue_delayed_work+0x470/0x470 [ 25.930152][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930155][ C2] worker_thread+0x4f1/0xd60 [ 25.930157][ C2] ? rescuer_thread+0x1340/0x1340 [ 25.930159][ C2] ? __kthread_parkme+0xbd/0x210 [ 25.930160][ C2] ? rescuer_thread+0x1340/0x1340 [ 25.930162][ C2] ? rescuer_thread+0x1340/0x1340 [ 25.930164][ C2] kthread+0x367/0x460 [ 25.930165][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 25.930168][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 25.930169][ C2] ret_from_fork+0x474/0x6b0 [ 25.930171][ C2] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 25.930173][ C2] ? __switch_to+0x5a3/0xe00 [ 25.930175][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 25.930177][ C2] ret_from_fork_asm+0x11/0x20 [ 25.930180][ C2] [ 25.930184][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.930185][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 69, name: kworker/u16:1 [ 25.930186][ C2] preempt_count: 103, expected: 0 [ 25.930187][ C2] RCU nest depth: 5, expected: 0 [ 25.930188][ C2] INFO: lockdep is turned off. [ 25.930189][ C2] irq event stamp: 19407 [ 25.930189][ C2] hardirqs last enabled at (19406): [] __down_trylock_console_sem+0x86/0xa0 [ 25.930192][ C2] hardirqs last disabled at (19407): [] console_emit_next_record+0x3d4/0x4c0 [ 25.930194][ C2] softirqs last enabled at (19332): [] __dev_queue_xmit+0x964/0x1b80 [ 25.930196][ C2] softirqs last disabled at (19333): [] do_softirq+0xac/0xe0 [ 25.930197][ C2] Preemption disabled at: [ 25.930198][ C2] [] __dev_queue_xmit+0x204/0x1b80 [ 25.930200][ C2] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.930202][ C2] Tainted: [W]=WARN [ 25.930203][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.930203][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 25.930205][ C2] Call Trace: [ 25.930206][ C2] [ 25.930206][ C2] dump_stack_lvl+0x6f/0xa0 [ 25.930209][ C2] ? __dev_queue_xmit+0x204/0x1b80 [ 25.930211][ C2] __might_resched.cold+0x1fe/0x2c1 [ 25.930213][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.930216][ C2] ? nbcon_get_cpu_emergency_nesting+0xa/0x30 [ 25.930218][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930220][ C2] __kmalloc_noprof+0x443/0x760 [ 25.930221][ C2] ? __rwlock_init+0x150/0x150 [ 25.930223][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 25.930225][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 25.930226][ C2] alloc_buf.isra.0+0x4b/0x260 [ 25.930228][ C2] put_chars+0x1e1/0x2f0 [ 25.930231][ C2] ? __send_to_port+0x420/0x420 [ 25.930232][ C2] ? mark_lock+0x1d7/0xa00 [ 25.930234][ C2] hvc_console_print+0x292/0x780 [ 25.930237][ C2] ? hvc_write+0x3a0/0x3a0 [ 25.930238][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930240][ C2] ? lock_acquire+0x13c/0x160 [ 25.930242][ C2] console_emit_next_record+0x22f/0x4c0 [ 25.930244][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 25.930246][ C2] ? console_flush_one_record+0x106/0x710 [ 25.930248][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930249][ C2] ? lock_acquire+0x13c/0x160 [ 25.930251][ C2] console_flush_one_record+0x46f/0x710 [ 25.930254][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 25.930255][ C2] ? __lock_acquire+0x518/0xc20 [ 25.930257][ C2] console_unlock+0xee/0x1f0 [ 25.930259][ C2] ? console_flush_one_record+0x710/0x710 [ 25.930261][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930263][ C2] ? lock_acquire+0x60/0x160 [ 25.930264][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.930266][ C2] ? vprintk_emit+0x320/0x3e0 [ 25.930268][ C2] vprintk_emit+0x37c/0x3e0 [ 25.930270][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 25.930272][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930274][ C2] _printk+0xc7/0x100 [ 25.930276][ C2] ? snapshot_read.cold+0x21/0x21 [ 25.930277][ C2] ? ___ratelimit+0x4e7/0xa00 [ 25.930279][ C2] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 25.930282][ C2] ? idr_get_free+0x830/0x830 [ 25.930284][ C2] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 25.930286][ C2] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 25.930289][ C2] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 25.930291][ C2] ? __copy_skb_header+0xb7/0x510 [ 25.930293][ C2] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 25.930296][ C2] ? sock_queue_err_skb+0xb0/0x680 [ 25.930298][ C2] __strp_recv+0x20f/0x1c20 [ 25.930300][ C2] ? update_load_avg+0x141/0xf00 [ 25.930302][ C2] __tcp_read_sock+0x1c7/0x850 [ 25.930304][ C2] ? strp_process+0xb0/0xb0 [ 25.930306][ C2] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 25.930308][ C2] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.930309][ C2] ? mark_usage+0x61/0x170 [ 25.930311][ C2] strp_read_sock+0x20f/0x2b0 [ 25.930313][ C2] ? strp_stop+0x50/0x50 [ 25.930315][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930317][ C2] ? lock_acquire+0x13c/0x160 [ 25.930318][ C2] strp_data_ready+0x18e/0x2c0 [ 25.930320][ C2] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 25.930323][ C2] tcp_data_queue+0xd25/0x1fb0 [ 25.930326][ C2] ? tcp_data_ready+0x4a0/0x4a0 [ 25.930327][ C2] ? tcp_send_dupack+0xc40/0xc40 [ 25.930329][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 25.930331][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 25.930332][ C2] ? ktime_get+0x18e/0x2d0 [ 25.930333][ C2] ? kvm_clock_get_cycles+0x19/0x30 [ 25.930335][ C2] tcp_rcv_established+0x66d/0x3910 [ 25.930337][ C2] ? down_read_nested+0x100/0x500 [ 25.930339][ C2] ? __tcp_check_space+0x600/0x600 [ 25.930341][ C2] ? tcp_v4_rcv+0x1a81/0x2b70 [ 25.930342][ C2] ? do_raw_spin_lock+0x131/0x280 [ 25.930345][ C2] tcp_v4_do_rcv+0x4f6/0xb90 [ 25.930346][ C2] tcp_v4_rcv+0x1caa/0x2b70 [ 25.930349][ C2] ? mark_usage+0x61/0x170 [ 25.930351][ C2] ? tcp_add_backlog+0x1e30/0x1e30 [ 25.930353][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930354][ C2] ? ip_local_deliver_finish+0x2ba/0x610 [ 25.930356][ C2] ip_protocol_deliver_rcu+0x82/0x350 [ 25.930358][ C2] ? process_backlog+0x3f1/0x14c0 [ 25.930360][ C2] ip_local_deliver_finish+0x36f/0x610 [ 25.930362][ C2] ip_local_deliver+0x184/0x4c0 [ 25.930364][ C2] ? ip_local_deliver_finish+0x610/0x610 [ 25.930365][ C2] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 25.930368][ C2] ? process_backlog+0x3f1/0x14c0 [ 25.930369][ C2] ip_rcv+0xdc/0x3d0 [ 25.930371][ C2] ? ip_local_deliver+0x4c0/0x4c0 [ 25.930372][ C2] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.930374][ C2] ? mark_usage+0x61/0x170 [ 25.930375][ C2] ? __lock_acquire+0x518/0xc20 [ 25.930377][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 25.930379][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 25.930381][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930382][ C2] ? process_backlog+0x3f1/0x14c0 [ 25.930384][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 25.930386][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930388][ C2] process_backlog+0x431/0x14c0 [ 25.930391][ C2] __napi_poll+0xa7/0x3b0 [ 25.930393][ C2] net_rx_action+0x513/0xf50 [ 25.930396][ C2] ? __napi_poll+0x3b0/0x3b0 [ 25.930398][ C2] ? mark_held_locks+0x40/0x70 [ 25.930399][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 25.930401][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 25.930403][ C2] ? clockevents_program_event+0x307/0x7e0 [ 25.930404][ C2] ? mark_held_locks+0x40/0x70 [ 25.930406][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930407][ C2] ? mark_held_locks+0x40/0x70 [ 25.930409][ C2] handle_softirqs+0x1d3/0x900 [ 25.930411][ C2] ? _local_bh_enable+0xc0/0xc0 [ 25.930412][ C2] ? _local_bh_enable+0xc0/0xc0 [ 25.930414][ C2] ? __dev_queue_xmit+0x964/0x1b80 [ 25.930416][ C2] do_softirq+0xac/0xe0 [ 25.930417][ C2] [ 25.930418][ C2] [ 25.930418][ C2] __local_bh_enable_ip+0x118/0x150 [ 25.930420][ C2] __dev_queue_xmit+0x979/0x1b80 [ 25.930422][ C2] ? __lock_acquire+0x518/0xc20 [ 25.930424][ C2] ? do_ipv6_getsockopt+0x1a34/0x2e80 [ 25.930425][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 25.930427][ C2] ? find_held_lock+0x2b/0x80 [ 25.930429][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930430][ C2] ? __rwlock_init+0x150/0x150 [ 25.930432][ C2] ? mark_held_locks+0x40/0x70 [ 25.930433][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 25.930434][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930436][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930437][ C2] ? ___neigh_create+0x811/0x1070 [ 25.930439][ C2] ip6_finish_output2+0x423/0x12a0 [ 25.930442][ C2] ? ip6_dst_lookup+0x80/0x80 [ 25.930443][ C2] ? find_held_lock+0x2b/0x80 [ 25.930445][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930446][ C2] ? ip6_mtu+0x15d/0x310 [ 25.930448][ C2] ip6_finish_output+0x646/0xda0 [ 25.930450][ C2] ip6_output+0x23f/0x7f0 [ 25.930452][ C2] ? ip6_finish_output+0xda0/0xda0 [ 25.930454][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930455][ C2] ? find_held_lock+0x2b/0x80 [ 25.930456][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930458][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930460][ C2] ndisc_send_skb+0xba3/0x1520 [ 25.930461][ C2] ? ndisc_recv_na+0xea0/0xea0 [ 25.930464][ C2] ? ndisc_alloc_skb+0x2da/0x490 [ 25.930465][ C2] ? __local_bh_enable_ip+0xaa/0x150 [ 25.930467][ C2] addrconf_dad_completed+0x37e/0xe10 [ 25.930469][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930470][ C2] ? addrconf_rs_timer+0x770/0x770 [ 25.930472][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930474][ C2] ? __rwlock_init+0x150/0x150 [ 25.930475][ C2] ? mark_held_locks+0x40/0x70 [ 25.930477][ C2] ? addrconf_dad_begin+0x2e1/0x540 [ 25.930479][ C2] addrconf_dad_begin+0x2e1/0x540 [ 25.930481][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930482][ C2] ? addrconf_dad_completed+0xe10/0xe10 [ 25.930484][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 25.930486][ C2] ? __rwlock_init+0x150/0x150 [ 25.930487][ C2] ? mark_held_locks+0x40/0x70 [ 25.930489][ C2] addrconf_dad_work+0x170/0x930 [ 25.930491][ C2] ? addrconf_dad_begin+0x540/0x540 [ 25.930493][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930495][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930497][ C2] ? lock_acquire+0x13c/0x160 [ 25.930498][ C2] ? rcu_is_watching+0x16/0xd0 [ 25.930501][ C2] process_one_work+0xe3e/0x1560 [ 25.930503][ C2] ? __queue_delayed_work+0x470/0x470 [ 25.930505][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 25.930508][ C2] worker_thread+0x4f1/0xd60 [ 25.930510][ C2] ? rescuer_thread+0x1340/0x1340 [ 25.930512][ C2] ? __kthread_parkme+0xbd/0x210 [ 25.930513][ C2] ? rescuer_thread+0x1340/0x1340 [ 25.930515][ C2] ? rescuer_thread+0x1340/0x1340 [ 25.930517][ C2] kthread+0x367/0x460 [ 25.930518][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 25.930519][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 25.930521][ C2] ret_from_fork+0x474/0x6b0 [ 25.930522][ C2] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 25.930524][ C2] ? __switch_to+0x5a3/0xe00 [ 25.930526][ C2] ? kthread_affine_preferred+0x4c0/0x4c0 [ 25.930527][ C2] ret_from_fork_asm+0x11/0x20 [ 25.930530][ C2] [ 26.190300][ C3] tun0: no available key for peer 4, key-id: 0 [ 26.269880][ C3] tun0: no available key for peer 5, key-id: 0 [ 35.181575][ T624] iperf3 (624) used greatest stack depth: 23128 bytes left [ 35.181594][ T624] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.181596][ T624] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 624, name: iperf3 [ 35.181598][ T624] preempt_count: 2, expected: 0 [ 35.181599][ T624] RCU nest depth: 0, expected: 0 [ 35.181600][ T624] INFO: lockdep is turned off. [ 35.181601][ T624] irq event stamp: 0 [ 35.181601][ T624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.181606][ T624] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 35.181612][ T624] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 35.181614][ T624] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.181615][ T624] Preemption disabled at: [ 35.181616][ T624] [<0000000000000000>] 0x0 [ 35.181621][ T624] CPU: 0 UID: 0 PID: 624 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.181625][ T624] Tainted: [W]=WARN [ 35.181626][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.181628][ T624] Call Trace: [ 35.181629][ T624] [ 35.181630][ T624] dump_stack_lvl+0x6f/0xa0 [ 35.181635][ T624] __might_resched.cold+0x1fe/0x2c1 [ 35.181639][ T624] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.181643][ T624] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 35.181647][ T624] ? rcu_is_watching+0x16/0xd0 [ 35.181651][ T624] __kmalloc_noprof+0x443/0x760 [ 35.181654][ T624] ? __rwlock_init+0x150/0x150 [ 35.181657][ T624] ? alloc_buf.isra.0+0x4b/0x260 [ 35.181661][ T624] ? do_raw_spin_unlock+0x59/0x250 [ 35.181663][ T624] alloc_buf.isra.0+0x4b/0x260 [ 35.181665][ T624] put_chars+0x1e1/0x2f0 [ 35.181667][ T624] ? prb_final_commit+0x50/0x50 [ 35.181668][ T624] ? __send_to_port+0x420/0x420 [ 35.181670][ T624] ? printk_get_next_message+0x240/0x650 [ 35.181674][ T624] hvc_console_print+0x292/0x780 [ 35.181677][ T624] ? hvc_write+0x3a0/0x3a0 [ 35.181679][ T624] ? do_raw_spin_lock+0x131/0x280 [ 35.181680][ T624] ? vsnprintf+0x668/0x1700 [ 35.181683][ T624] ? __rwlock_init+0x150/0x150 [ 35.181685][ T624] ? rcu_is_watching+0x16/0xd0 [ 35.181686][ T624] ? lock_acquire+0x13c/0x160 [ 35.181688][ T624] console_emit_next_record+0x22f/0x4c0 [ 35.181691][ T624] ? devkmsg_read+0x4b0/0x4b0 [ 35.181693][ T624] ? rcu_is_watching+0x16/0xd0 [ 35.181695][ T624] ? rcu_is_watching+0x16/0xd0 [ 35.181696][ T624] ? rcu_is_watching+0x16/0xd0 [ 35.181698][ T624] ? lock_acquire+0x13c/0x160 [ 35.181700][ T624] ? console_flush_one_record+0x111/0x710 [ 35.181701][ T624] console_flush_one_record+0x46f/0x710 [ 35.181703][ T624] ? console_emit_next_record+0x4c0/0x4c0 [ 35.181706][ T624] console_unlock+0xee/0x1f0 [ 35.181708][ T624] ? lock_acquire+0x13c/0x160 [ 35.181709][ T624] ? console_flush_one_record+0x710/0x710 [ 35.181711][ T624] ? rcu_is_watching+0x16/0xd0 [ 35.181712][ T624] ? lock_release+0x184/0x1f0 [ 35.181720][ T624] ? lock_acquire+0x60/0x160 [ 35.181722][ T624] ? __rcu_read_lock+0x30/0x70 [ 35.181724][ T624] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.181726][ T624] ? vprintk_emit+0x320/0x3e0 [ 35.181728][ T624] vprintk_emit+0x37c/0x3e0 [ 35.181730][ T624] ? wake_up_klogd_work_func+0x90/0x90 [ 35.181733][ T624] _printk+0xc7/0x100 [ 35.181736][ T624] ? snapshot_read.cold+0x21/0x21 [ 35.181737][ T624] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.181740][ T624] ? do_raw_spin_lock+0x131/0x280 [ 35.181742][ T624] ? __rwlock_init+0x150/0x150 [ 35.181744][ T624] ? do_raw_spin_lock+0x131/0x280 [ 35.181746][ T624] do_exit.cold+0x82/0x9c [ 35.181749][ T624] ? exit_notify+0x890/0x890 [ 35.181751][ T624] __x64_sys_exit+0x42/0x50 [ 35.181752][ T624] x64_sys_call+0x156c/0x1570 [ 35.181755][ T624] do_syscall_64+0xff/0x530 [ 35.181758][ T624] ? exc_page_fault+0xee/0x100 [ 35.181759][ T624] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.181761][ T624] RIP: 0033:0x7fe66ab84c49 [ 35.181763][ T624] Code: Unable to access opcode bytes at 0x7fe66ab84c1f. [ 35.181764][ T624] RSP: 002b:00007fe66a343e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 35.181768][ T624] RAX: ffffffffffffffda RBX: 00007fe66a3446c0 RCX: 00007fe66ab84c49 [ 35.181769][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 35.181770][ T624] RBP: 00007fe66a343f70 R08: 0000000000000001 R09: 00007fe66a3446c0 [ 35.181771][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe669b44000 [ 35.181772][ T624] R13: 00007fff42808bb0 R14: 0000000000000002 R15: 00007fff42808cb7 [ 35.181774][ T624] [ 36.590942][ T719] tun0: deleting peer with id 1, reason 1 [ 36.590959][ T719] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.590961][ T719] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 719, name: ovpn-cli [ 36.590963][ T719] preempt_count: 202, expected: 0 [ 36.590964][ T719] RCU nest depth: 0, expected: 0 [ 36.590965][ T719] INFO: lockdep is turned off. [ 36.590966][ T719] irq event stamp: 0 [ 36.590966][ T719] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.590971][ T719] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 36.590977][ T719] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 36.590978][ T719] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.590980][ T719] Preemption disabled at: [ 36.590980][ T719] [<0000000000000000>] 0x0 [ 36.590986][ T719] CPU: 3 UID: 0 PID: 719 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.590990][ T719] Tainted: [W]=WARN [ 36.590991][ T719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.590992][ T719] Call Trace: [ 36.590994][ T719] [ 36.590995][ T719] dump_stack_lvl+0x6f/0xa0 [ 36.591001][ T719] __might_resched.cold+0x1fe/0x2c1 [ 36.591005][ T719] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.591008][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591012][ T719] __kmalloc_noprof+0x443/0x760 [ 36.591016][ T719] ? __rwlock_init+0x150/0x150 [ 36.591019][ T719] ? alloc_buf.isra.0+0x4b/0x260 [ 36.591023][ T719] ? do_raw_spin_unlock+0x59/0x250 [ 36.591024][ T719] alloc_buf.isra.0+0x4b/0x260 [ 36.591026][ T719] put_chars+0x1e1/0x2f0 [ 36.591029][ T719] ? __send_to_port+0x420/0x420 [ 36.591031][ T719] ? printk_get_next_message+0x240/0x650 [ 36.591034][ T719] hvc_console_print+0x292/0x780 [ 36.591037][ T719] ? hvc_write+0x3a0/0x3a0 [ 36.591039][ T719] ? __rwlock_init+0x150/0x150 [ 36.591041][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591042][ T719] ? lock_acquire+0x13c/0x160 [ 36.591044][ T719] console_emit_next_record+0x22f/0x4c0 [ 36.591047][ T719] ? devkmsg_read+0x4b0/0x4b0 [ 36.591049][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591051][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591052][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591054][ T719] ? lock_acquire+0x13c/0x160 [ 36.591056][ T719] ? console_flush_one_record+0x111/0x710 [ 36.591057][ T719] console_flush_one_record+0x46f/0x710 [ 36.591060][ T719] ? console_emit_next_record+0x4c0/0x4c0 [ 36.591062][ T719] console_unlock+0xee/0x1f0 [ 36.591064][ T719] ? lock_acquire+0x13c/0x160 [ 36.591066][ T719] ? console_flush_one_record+0x710/0x710 [ 36.591067][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591069][ T719] ? lock_release+0x184/0x1f0 [ 36.591070][ T719] ? lock_acquire+0x60/0x160 [ 36.591072][ T719] ? __rcu_read_lock+0x30/0x70 [ 36.591074][ T719] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.591075][ T719] ? vprintk_emit+0x320/0x3e0 [ 36.591077][ T719] vprintk_emit+0x37c/0x3e0 [ 36.591080][ T719] ? wake_up_klogd_work_func+0x90/0x90 [ 36.591081][ T719] ? kernel_text_address+0x149/0x170 [ 36.591084][ T719] ? __kernel_text_address+0x12/0x30 [ 36.591085][ T719] ? write_profile+0xf0/0xf0 [ 36.591087][ T719] ? unwind_get_return_address+0x67/0xd0 [ 36.591090][ T719] _printk+0xc7/0x100 [ 36.591093][ T719] ? snapshot_read.cold+0x21/0x21 [ 36.591095][ T719] ? netdev_name+0x43/0x60 [ 36.591097][ T719] ? __netdev_printk+0x17f/0x1d0 [ 36.591099][ T719] netdev_info+0xe2/0x116 [ 36.591101][ T719] ? netdev_notice+0x120/0x120 [ 36.591102][ T719] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 36.591108][ T719] ? __module_address+0x36/0x330 [ 36.591110][ T719] ? lock_acquire+0x13c/0x160 [ 36.591112][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591114][ T719] ? lock_release+0x184/0x1f0 [ 36.591115][ T719] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 36.591119][ T719] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.591122][ T719] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 36.591125][ T719] ? lock_acquire+0x13c/0x160 [ 36.591126][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591128][ T719] ? lock_release+0x184/0x1f0 [ 36.591130][ T719] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.591133][ T719] ? do_raw_spin_lock+0x131/0x280 [ 36.591135][ T719] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 36.591138][ T719] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.591141][ T719] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 36.591144][ T719] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.591147][ T719] ? trace_hardirqs_on+0x36/0x40 [ 36.591149][ T719] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.591152][ T719] ? ref_tracker_alloc+0x28d/0x430 [ 36.591157][ T719] ? lock_release+0x184/0x1f0 [ 36.591159][ T719] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 36.591162][ T719] genl_family_rcv_msg_doit+0x206/0x300 [ 36.591166][ T719] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 36.591168][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591171][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591172][ T719] ? cap_capable+0x1d7/0x3d0 [ 36.591176][ T719] ? write_profile+0xf0/0xf0 [ 36.591177][ T719] ? unwind_get_return_address+0x67/0xd0 [ 36.591179][ T719] genl_family_rcv_msg+0x3a4/0x640 [ 36.591181][ T719] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 36.591183][ T719] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 36.591185][ T719] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.591187][ T719] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 36.591190][ T719] ? filter_irq_stacks+0xd0/0xd0 [ 36.591191][ T719] ? stack_depot_save_flags+0x1bc/0x790 [ 36.591193][ T719] genl_rcv_msg+0xbb/0x160 [ 36.591196][ T719] netlink_rcv_skb+0x14e/0x3a0 [ 36.591197][ T719] ? genl_family_rcv_msg+0x640/0x640 [ 36.591200][ T719] ? netlink_ack+0xcf0/0xcf0 [ 36.591202][ T719] ? lock_acquire+0x13c/0x160 [ 36.591204][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591205][ T719] ? lock_release+0x184/0x1f0 [ 36.591207][ T719] genl_rcv+0x28/0x40 [ 36.591209][ T719] netlink_unicast+0x486/0x750 [ 36.591211][ T719] ? netlink_attachskb+0x810/0x810 [ 36.591213][ T719] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.591214][ T719] ? trace_hardirqs_on+0x36/0x40 [ 36.591215][ T719] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 36.591219][ T719] netlink_sendmsg+0x735/0xc60 [ 36.591221][ T719] ? netlink_unicast+0x750/0x750 [ 36.591223][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591225][ T719] ? lock_release+0x184/0x1f0 [ 36.591227][ T719] ____sys_sendmsg+0x415/0x880 [ 36.591230][ T719] ? copy_msghdr_from_user+0x279/0x420 [ 36.591232][ T719] ? get_timestamp.constprop.0+0x390/0x390 [ 36.591233][ T719] ? move_addr_to_kernel+0x40/0x40 [ 36.591236][ T719] ___sys_sendmsg+0x14e/0x1d0 [ 36.591238][ T719] ? copy_msghdr_from_user+0x420/0x420 [ 36.591239][ T719] ? kfree+0x22/0x590 [ 36.591244][ T719] __sys_sendmsg+0x12c/0x1d0 [ 36.591246][ T719] ? __sys_sendmsg_sock+0x20/0x20 [ 36.591249][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591251][ T719] ? rcu_is_watching+0x16/0xd0 [ 36.591253][ T719] do_syscall_64+0xff/0x530 [ 36.591255][ T719] ? exc_page_fault+0xee/0x100 [ 36.591257][ T719] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.591259][ T719] RIP: 0033:0x7fd5f14cc54e [ 36.591261][ T719] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 36.591263][ T719] RSP: 002b:00007ffceffb9460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.591267][ T719] RAX: ffffffffffffffda RBX: 0000000025c0d130 RCX: 00007fd5f14cc54e [ 36.591268][ T719] RDX: 0000000000000000 RSI: 00007ffceffb9500 RDI: 0000000000000005 [ 36.591269][ T719] RBP: 00007ffceffb9470 R08: 0000000000000000 R09: 0000000000000000 [ 36.591270][ T719] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000025c0d200 [ 36.591270][ T719] R13: 00007ffceffb9500 R14: 0000000025c0e260 R15: 000000000040bda8 [ 36.591273][ T719] [ 36.677933][ T723] tun1: deleting peer with id 10, reason 1 [ 39.361715][ T771] tun0: deleting peer with id 2, reason 1 [ 39.361738][ T771] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 39.361741][ T771] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 771, name: ovpn-cli [ 39.361743][ T771] preempt_count: 202, expected: 0 [ 39.361744][ T771] RCU nest depth: 0, expected: 0 [ 39.361745][ T771] INFO: lockdep is turned off. [ 39.361746][ T771] irq event stamp: 0 [ 39.361747][ T771] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.361751][ T771] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 39.361758][ T771] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 39.361759][ T771] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.361761][ T771] Preemption disabled at: [ 39.361762][ T771] [<0000000000000000>] 0x0 [ 39.361767][ T771] CPU: 3 UID: 0 PID: 771 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 39.361770][ T771] Tainted: [W]=WARN [ 39.361771][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.361773][ T771] Call Trace: [ 39.361775][ T771] [ 39.361776][ T771] dump_stack_lvl+0x6f/0xa0 [ 39.361782][ T771] __might_resched.cold+0x1fe/0x2c1 [ 39.361786][ T771] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 39.361789][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361794][ T771] __kmalloc_noprof+0x443/0x760 [ 39.361797][ T771] ? __rwlock_init+0x150/0x150 [ 39.361800][ T771] ? alloc_buf.isra.0+0x4b/0x260 [ 39.361804][ T771] ? do_raw_spin_unlock+0x59/0x250 [ 39.361805][ T771] alloc_buf.isra.0+0x4b/0x260 [ 39.361807][ T771] put_chars+0x1e1/0x2f0 [ 39.361810][ T771] ? __send_to_port+0x420/0x420 [ 39.361812][ T771] ? printk_get_next_message+0x240/0x650 [ 39.361815][ T771] hvc_console_print+0x292/0x780 [ 39.361819][ T771] ? hvc_write+0x3a0/0x3a0 [ 39.361820][ T771] ? __rwlock_init+0x150/0x150 [ 39.361822][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361823][ T771] ? lock_acquire+0x13c/0x160 [ 39.361825][ T771] console_emit_next_record+0x22f/0x4c0 [ 39.361828][ T771] ? devkmsg_read+0x4b0/0x4b0 [ 39.361830][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361832][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361833][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361835][ T771] ? lock_acquire+0x13c/0x160 [ 39.361837][ T771] ? console_flush_one_record+0x111/0x710 [ 39.361838][ T771] console_flush_one_record+0x46f/0x710 [ 39.361841][ T771] ? console_emit_next_record+0x4c0/0x4c0 [ 39.361843][ T771] console_unlock+0xee/0x1f0 [ 39.361845][ T771] ? lock_acquire+0x13c/0x160 [ 39.361847][ T771] ? console_flush_one_record+0x710/0x710 [ 39.361848][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361850][ T771] ? lock_release+0x184/0x1f0 [ 39.361851][ T771] ? lock_acquire+0x60/0x160 [ 39.361852][ T771] ? __rcu_read_lock+0x30/0x70 [ 39.361854][ T771] ? __down_trylock_console_sem+0x5e/0xa0 [ 39.361856][ T771] ? vprintk_emit+0x320/0x3e0 [ 39.361858][ T771] vprintk_emit+0x37c/0x3e0 [ 39.361861][ T771] ? wake_up_klogd_work_func+0x90/0x90 [ 39.361862][ T771] ? kernel_text_address+0x149/0x170 [ 39.361865][ T771] ? __kernel_text_address+0x12/0x30 [ 39.361866][ T771] ? write_profile+0xf0/0xf0 [ 39.361868][ T771] ? unwind_get_return_address+0x67/0xd0 [ 39.361871][ T771] _printk+0xc7/0x100 [ 39.361874][ T771] ? snapshot_read.cold+0x21/0x21 [ 39.361876][ T771] ? netdev_name+0x43/0x60 [ 39.361879][ T771] ? __netdev_printk+0x17f/0x1d0 [ 39.361880][ T771] netdev_info+0xe2/0x116 [ 39.361882][ T771] ? netdev_notice+0x120/0x120 [ 39.361883][ T771] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 39.361889][ T771] ? __module_address+0x36/0x330 [ 39.361892][ T771] ? lock_acquire+0x13c/0x160 [ 39.361894][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361895][ T771] ? lock_release+0x184/0x1f0 [ 39.361897][ T771] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 39.361900][ T771] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 39.361905][ T771] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 39.361908][ T771] ? lock_acquire+0x13c/0x160 [ 39.361909][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361911][ T771] ? lock_release+0x184/0x1f0 [ 39.361913][ T771] ovpn_peer_remove+0x394/0x640 [ovpn] [ 39.361916][ T771] ? do_raw_spin_lock+0x131/0x280 [ 39.361917][ T771] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 39.361921][ T771] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 39.361924][ T771] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 39.361927][ T771] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 39.361930][ T771] ? trace_hardirqs_on+0x36/0x40 [ 39.361932][ T771] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 39.361934][ T771] ? ref_tracker_alloc+0x28d/0x430 [ 39.361939][ T771] ? lock_release+0x184/0x1f0 [ 39.361941][ T771] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 39.361944][ T771] genl_family_rcv_msg_doit+0x206/0x300 [ 39.361948][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 39.361950][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361953][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361955][ T771] ? cap_capable+0x1d7/0x3d0 [ 39.361958][ T771] ? write_profile+0xf0/0xf0 [ 39.361959][ T771] ? unwind_get_return_address+0x67/0xd0 [ 39.361961][ T771] genl_family_rcv_msg+0x3a4/0x640 [ 39.361963][ T771] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 39.361965][ T771] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 39.361968][ T771] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 39.361970][ T771] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 39.361972][ T771] ? filter_irq_stacks+0xd0/0xd0 [ 39.361974][ T771] ? stack_depot_save_flags+0x1bc/0x790 [ 39.361976][ T771] genl_rcv_msg+0xbb/0x160 [ 39.361978][ T771] netlink_rcv_skb+0x14e/0x3a0 [ 39.361980][ T771] ? genl_family_rcv_msg+0x640/0x640 [ 39.361982][ T771] ? netlink_ack+0xcf0/0xcf0 [ 39.361985][ T771] ? lock_acquire+0x13c/0x160 [ 39.361986][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.361988][ T771] ? lock_release+0x184/0x1f0 [ 39.361989][ T771] genl_rcv+0x28/0x40 [ 39.361991][ T771] netlink_unicast+0x486/0x750 [ 39.361993][ T771] ? netlink_attachskb+0x810/0x810 [ 39.361995][ T771] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 39.361996][ T771] ? trace_hardirqs_on+0x36/0x40 [ 39.361997][ T771] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 39.362001][ T771] netlink_sendmsg+0x735/0xc60 [ 39.362003][ T771] ? netlink_unicast+0x750/0x750 [ 39.362005][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.362007][ T771] ? lock_release+0x184/0x1f0 [ 39.362008][ T771] ____sys_sendmsg+0x415/0x880 [ 39.362012][ T771] ? copy_msghdr_from_user+0x279/0x420 [ 39.362014][ T771] ? get_timestamp.constprop.0+0x390/0x390 [ 39.362015][ T771] ? move_addr_to_kernel+0x40/0x40 [ 39.362018][ T771] ___sys_sendmsg+0x14e/0x1d0 [ 39.362020][ T771] ? copy_msghdr_from_user+0x420/0x420 [ 39.362021][ T771] ? kfree+0x22/0x590 [ 39.362026][ T771] __sys_sendmsg+0x12c/0x1d0 [ 39.362028][ T771] ? __sys_sendmsg_sock+0x20/0x20 [ 39.362030][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.362032][ T771] ? rcu_is_watching+0x16/0xd0 [ 39.362034][ T771] do_syscall_64+0xff/0x530 [ 39.362037][ T771] ? exc_page_fault+0xee/0x100 [ 39.362039][ T771] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 39.362041][ T771] RIP: 0033:0x7ff9488ef54e [ 39.362043][ T771] 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 [ 39.362045][ T771] RSP: 002b:00007ffced819500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.362049][ T771] RAX: ffffffffffffffda RBX: 0000000015d26130 RCX: 00007ff9488ef54e [ 39.362050][ T771] RDX: 0000000000000000 RSI: 00007ffced8195a0 RDI: 0000000000000005 [ 39.362051][ T771] RBP: 00007ffced819510 R08: 0000000000000000 R09: 0000000000000000 [ 39.362052][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000015d26200 [ 39.362053][ T771] R13: 00007ffced8195a0 R14: 0000000015d27260 R15: 000000000040bda8 [ 39.362055][ T771] [ 39.454168][ T775] tun2: deleting peer with id 11, reason 1 [ 44.161702][ T10] tun0: deleting peer with id 4, reason 2 [ 44.161726][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 44.161730][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 44.161732][ T10] preempt_count: 202, expected: 0 [ 44.161734][ T10] RCU nest depth: 0, expected: 0 [ 44.161735][ T10] INFO: lockdep is turned off. [ 44.161737][ T10] irq event stamp: 12470 [ 44.161738][ T10] hardirqs last enabled at (12469): [] _raw_spin_unlock_irq+0x28/0x50 [ 44.161753][ T10] hardirqs last disabled at (12470): [] __schedule+0x1246/0x20e0 [ 44.161756][ T10] softirqs last enabled at (12154): [] handle_softirqs+0x67c/0x900 [ 44.161761][ T10] softirqs last disabled at (11173): [] __irq_exit_rcu+0x145/0x1c0 [ 44.161764][ T10] Preemption disabled at: [ 44.161765][ T10] [<0000000000000000>] 0x0 [ 44.161773][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 44.161778][ T10] Tainted: [W]=WARN [ 44.161779][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.161782][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.161794][ T10] Call Trace: [ 44.161796][ T10] [ 44.161798][ T10] dump_stack_lvl+0x6f/0xa0 [ 44.161805][ T10] __might_resched.cold+0x1fe/0x2c1 [ 44.161809][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 44.161813][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 44.161816][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161821][ T10] __kmalloc_noprof+0x443/0x760 [ 44.161827][ T10] ? __rwlock_init+0x150/0x150 [ 44.161830][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 44.161835][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 44.161837][ T10] alloc_buf.isra.0+0x4b/0x260 [ 44.161841][ T10] put_chars+0x1e1/0x2f0 [ 44.161843][ T10] ? prb_final_commit+0x50/0x50 [ 44.161846][ T10] ? __send_to_port+0x420/0x420 [ 44.161849][ T10] ? printk_get_next_message+0x240/0x650 [ 44.161853][ T10] hvc_console_print+0x292/0x780 [ 44.161859][ T10] ? hvc_write+0x3a0/0x3a0 [ 44.161861][ T10] ? do_raw_spin_lock+0x131/0x280 [ 44.161863][ T10] ? vsnprintf+0x527/0x1700 [ 44.161866][ T10] ? __rwlock_init+0x150/0x150 [ 44.161869][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161871][ T10] ? lock_acquire+0x13c/0x160 [ 44.161875][ T10] console_emit_next_record+0x22f/0x4c0 [ 44.161878][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 44.161881][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161883][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161886][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161888][ T10] ? lock_acquire+0x13c/0x160 [ 44.161891][ T10] ? console_flush_one_record+0x111/0x710 [ 44.161894][ T10] console_flush_one_record+0x46f/0x710 [ 44.161897][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 44.161901][ T10] console_unlock+0xee/0x1f0 [ 44.161903][ T10] ? lock_acquire+0x13c/0x160 [ 44.161906][ T10] ? console_flush_one_record+0x710/0x710 [ 44.161908][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161910][ T10] ? lock_release+0x184/0x1f0 [ 44.161912][ T10] ? lock_acquire+0x60/0x160 [ 44.161915][ T10] ? __rcu_read_lock+0x30/0x70 [ 44.161918][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 44.161920][ T10] ? vprintk_emit+0x320/0x3e0 [ 44.161923][ T10] vprintk_emit+0x37c/0x3e0 [ 44.161926][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 44.161929][ T10] ? ret_from_fork_asm+0x11/0x20 [ 44.161933][ T10] ? queued_spin_lock_slowpath+0x103/0xa60 [ 44.161935][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161937][ T10] ? stack_access_ok+0x1e0/0x1e0 [ 44.161941][ T10] _printk+0xc7/0x100 [ 44.161945][ T10] ? snapshot_read.cold+0x21/0x21 [ 44.161948][ T10] ? __add_to_free_list+0x81/0x5c0 [ 44.161951][ T10] ? __mod_zone_page_state+0xe1/0x190 [ 44.161955][ T10] ? netdev_name+0x43/0x60 [ 44.161958][ T10] ? __netdev_printk+0x17f/0x1d0 [ 44.161961][ T10] netdev_info+0xe2/0x116 [ 44.161963][ T10] ? netdev_notice+0x120/0x120 [ 44.161966][ T10] ? free_pcppages_bulk+0x363/0x6e0 [ 44.161969][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161972][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 44.161976][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 44.161982][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 44.161986][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.161989][ T10] ? lock_release+0x184/0x1f0 [ 44.161991][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 44.161995][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 44.162000][ T10] ? do_raw_spin_lock+0x131/0x280 [ 44.162003][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 44.162007][ T10] ? __rwlock_init+0x150/0x150 [ 44.162009][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.162012][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.162014][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 44.162016][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 44.162021][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 44.162026][ T10] ? __rwlock_init+0x150/0x150 [ 44.162029][ T10] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 44.162035][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 44.162039][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.162042][ T10] ? lock_acquire+0x13c/0x160 [ 44.162044][ T10] ? rcu_is_watching+0x16/0xd0 [ 44.162047][ T10] process_one_work+0xe3e/0x1560 [ 44.162053][ T10] ? __queue_delayed_work+0x470/0x470 [ 44.162055][ T10] ? find_held_lock+0x2b/0x80 [ 44.162059][ T10] ? __rwlock_init+0x150/0x150 [ 44.162062][ T10] worker_thread+0x4f1/0xd60 [ 44.162065][ T10] ? rescuer_thread+0x1340/0x1340 [ 44.162068][ T10] ? __kthread_parkme+0xbd/0x210 [ 44.162071][ T10] ? rescuer_thread+0x1340/0x1340 [ 44.162074][ T10] ? rescuer_thread+0x1340/0x1340 [ 44.162076][ T10] kthread+0x367/0x460 [ 44.162079][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.162081][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 44.162084][ T10] ret_from_fork+0x474/0x6b0 [ 44.162088][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 44.162091][ T10] ? __switch_to+0x5a3/0xe00 [ 44.162094][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 44.162097][ T10] ret_from_fork_asm+0x11/0x20 [ 44.162102][ T10] [ 44.190118][ T10] tun0: deleting peer with id 3, reason 2 [ 45.249698][ T10] tun0: deleting peer with id 5, reason 2 [ 45.249719][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 45.249721][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 45.249723][ T10] preempt_count: 202, expected: 0 [ 45.249724][ T10] RCU nest depth: 0, expected: 0 [ 45.249725][ T10] INFO: lockdep is turned off. [ 45.249727][ T10] irq event stamp: 12470 [ 45.249727][ T10] hardirqs last enabled at (12469): [] _raw_spin_unlock_irq+0x28/0x50 [ 45.249735][ T10] hardirqs last disabled at (12470): [] __schedule+0x1246/0x20e0 [ 45.249738][ T10] softirqs last enabled at (12154): [] handle_softirqs+0x67c/0x900 [ 45.249742][ T10] softirqs last disabled at (11173): [] __irq_exit_rcu+0x145/0x1c0 [ 45.249744][ T10] Preemption disabled at: [ 45.249745][ T10] [<0000000000000000>] 0x0 [ 45.249757][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 45.249760][ T10] Tainted: [W]=WARN [ 45.249761][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.249763][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.249773][ T10] Call Trace: [ 45.249774][ T10] [ 45.249776][ T10] dump_stack_lvl+0x6f/0xa0 [ 45.249782][ T10] __might_resched.cold+0x1fe/0x2c1 [ 45.249785][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 45.249788][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 45.249791][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249795][ T10] __kmalloc_noprof+0x443/0x760 [ 45.249799][ T10] ? __rwlock_init+0x150/0x150 [ 45.249801][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 45.249805][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 45.249806][ T10] alloc_buf.isra.0+0x4b/0x260 [ 45.249809][ T10] put_chars+0x1e1/0x2f0 [ 45.249811][ T10] ? prb_final_commit+0x50/0x50 [ 45.249812][ T10] ? __send_to_port+0x420/0x420 [ 45.249814][ T10] ? printk_get_next_message+0x240/0x650 [ 45.249817][ T10] hvc_console_print+0x292/0x780 [ 45.249821][ T10] ? hvc_write+0x3a0/0x3a0 [ 45.249822][ T10] ? do_raw_spin_lock+0x131/0x280 [ 45.249824][ T10] ? vsnprintf+0x527/0x1700 [ 45.249826][ T10] ? __rwlock_init+0x150/0x150 [ 45.249827][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249829][ T10] ? lock_acquire+0x13c/0x160 [ 45.249831][ T10] console_emit_next_record+0x22f/0x4c0 [ 45.249834][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 45.249836][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249838][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249839][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249841][ T10] ? lock_acquire+0x13c/0x160 [ 45.249843][ T10] ? console_flush_one_record+0x111/0x710 [ 45.249844][ T10] console_flush_one_record+0x46f/0x710 [ 45.249846][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 45.249849][ T10] console_unlock+0xee/0x1f0 [ 45.249851][ T10] ? lock_acquire+0x13c/0x160 [ 45.249852][ T10] ? console_flush_one_record+0x710/0x710 [ 45.249854][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249856][ T10] ? lock_release+0x184/0x1f0 [ 45.249857][ T10] ? lock_acquire+0x60/0x160 [ 45.249859][ T10] ? __rcu_read_lock+0x30/0x70 [ 45.249861][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 45.249862][ T10] ? vprintk_emit+0x320/0x3e0 [ 45.249864][ T10] vprintk_emit+0x37c/0x3e0 [ 45.249866][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 45.249868][ T10] ? unwind_next_frame+0x69b/0x1ea0 [ 45.249871][ T10] ? ret_from_fork_asm+0x11/0x20 [ 45.249873][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249875][ T10] _printk+0xc7/0x100 [ 45.249878][ T10] ? snapshot_read.cold+0x21/0x21 [ 45.249880][ T10] ? __add_to_free_list+0x81/0x5c0 [ 45.249882][ T10] ? __mod_zone_page_state+0xe1/0x190 [ 45.249884][ T10] ? netdev_name+0x43/0x60 [ 45.249887][ T10] ? __netdev_printk+0x17f/0x1d0 [ 45.249889][ T10] netdev_info+0xe2/0x116 [ 45.249891][ T10] ? netdev_notice+0x120/0x120 [ 45.249892][ T10] ? free_pcppages_bulk+0x363/0x6e0 [ 45.249894][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249896][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 45.249899][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 45.249903][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 45.249906][ T10] ? __rwlock_init+0x150/0x150 [ 45.249907][ T10] ? lock_acquire+0x13c/0x160 [ 45.249909][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249911][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 45.249914][ T10] ? do_raw_spin_lock+0x131/0x280 [ 45.249916][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 45.249919][ T10] ? __rwlock_init+0x150/0x150 [ 45.249920][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249922][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.249923][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 45.249925][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 45.249928][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 45.249930][ T10] ? __rwlock_init+0x150/0x150 [ 45.249933][ T10] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 45.249936][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 45.249938][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249940][ T10] ? lock_acquire+0x13c/0x160 [ 45.249941][ T10] ? rcu_is_watching+0x16/0xd0 [ 45.249943][ T10] process_one_work+0xe3e/0x1560 [ 45.249948][ T10] ? __queue_delayed_work+0x470/0x470 [ 45.249949][ T10] ? find_held_lock+0x2b/0x80 [ 45.249952][ T10] ? __rwlock_init+0x150/0x150 [ 45.249954][ T10] worker_thread+0x4f1/0xd60 [ 45.249957][ T10] ? rescuer_thread+0x1340/0x1340 [ 45.249958][ T10] ? __kthread_parkme+0xbd/0x210 [ 45.249961][ T10] ? rescuer_thread+0x1340/0x1340 [ 45.249963][ T10] ? rescuer_thread+0x1340/0x1340 [ 45.249964][ T10] kthread+0x367/0x460 [ 45.249966][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.249967][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.249969][ T10] ret_from_fork+0x474/0x6b0 [ 45.249972][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 45.249974][ T10] ? __switch_to+0x5a3/0xe00 [ 45.249976][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.249978][ T10] ret_from_fork_asm+0x11/0x20 [ 45.249981][ T10] [ 45.264111][ T10] tun0: deleting peer with id 6, reason 2 [ 50.305762][ T63] tun3: deleting peer with id 12, reason 2 [ 50.305791][ T63] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 50.305794][ T63] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 63, name: kworker/2:2 [ 50.305796][ T63] preempt_count: 202, expected: 0 [ 50.305798][ T63] RCU nest depth: 0, expected: 0 [ 50.305799][ T63] INFO: lockdep is turned off. [ 50.305801][ T63] irq event stamp: 23264 [ 50.305802][ T63] hardirqs last enabled at (23263): [] _raw_spin_unlock_irq+0x28/0x50 [ 50.305812][ T63] hardirqs last disabled at (23264): [] __schedule+0x1246/0x20e0 [ 50.305816][ T63] softirqs last enabled at (22946): [] handle_softirqs+0x67c/0x900 [ 50.305820][ T63] softirqs last disabled at (22939): [] __irq_exit_rcu+0x145/0x1c0 [ 50.305824][ T63] Preemption disabled at: [ 50.305825][ T63] [<0000000000000000>] 0x0 [ 50.305833][ T63] CPU: 2 UID: 0 PID: 63 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 50.305838][ T63] Tainted: [W]=WARN [ 50.305839][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.305842][ T63] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 50.305852][ T63] Call Trace: [ 50.305854][ T63] [ 50.305857][ T63] dump_stack_lvl+0x6f/0xa0 [ 50.305863][ T63] __might_resched.cold+0x1fe/0x2c1 [ 50.305868][ T63] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 50.305871][ T63] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 50.305875][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305880][ T63] __kmalloc_noprof+0x443/0x760 [ 50.305884][ T63] ? __rwlock_init+0x150/0x150 [ 50.305888][ T63] ? alloc_buf.isra.0+0x4b/0x260 [ 50.305893][ T63] ? do_raw_spin_unlock+0x59/0x250 [ 50.305895][ T63] alloc_buf.isra.0+0x4b/0x260 [ 50.305898][ T63] put_chars+0x1e1/0x2f0 [ 50.305901][ T63] ? prb_final_commit+0x50/0x50 [ 50.305904][ T63] ? __send_to_port+0x420/0x420 [ 50.305906][ T63] ? printk_get_next_message+0x240/0x650 [ 50.305911][ T63] hvc_console_print+0x292/0x780 [ 50.305916][ T63] ? hvc_write+0x3a0/0x3a0 [ 50.305918][ T63] ? do_raw_spin_lock+0x131/0x280 [ 50.305921][ T63] ? vsnprintf+0x527/0x1700 [ 50.305923][ T63] ? __rwlock_init+0x150/0x150 [ 50.305926][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305929][ T63] ? lock_acquire+0x13c/0x160 [ 50.305932][ T63] console_emit_next_record+0x22f/0x4c0 [ 50.305936][ T63] ? devkmsg_read+0x4b0/0x4b0 [ 50.305939][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305941][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305943][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305946][ T63] ? lock_acquire+0x13c/0x160 [ 50.305949][ T63] ? console_flush_one_record+0x111/0x710 [ 50.305951][ T63] console_flush_one_record+0x46f/0x710 [ 50.305955][ T63] ? console_emit_next_record+0x4c0/0x4c0 [ 50.305959][ T63] console_unlock+0xee/0x1f0 [ 50.305961][ T63] ? lock_acquire+0x13c/0x160 [ 50.305963][ T63] ? console_flush_one_record+0x710/0x710 [ 50.305966][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305968][ T63] ? lock_release+0x184/0x1f0 [ 50.305970][ T63] ? lock_acquire+0x60/0x160 [ 50.305973][ T63] ? __rcu_read_lock+0x30/0x70 [ 50.305976][ T63] ? __down_trylock_console_sem+0x5e/0xa0 [ 50.305978][ T63] ? vprintk_emit+0x320/0x3e0 [ 50.305981][ T63] vprintk_emit+0x37c/0x3e0 [ 50.305984][ T63] ? wake_up_klogd_work_func+0x90/0x90 [ 50.305987][ T63] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 50.305989][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.305992][ T63] ? trace_sched_wakeup+0x9b/0x160 [ 50.305995][ T63] _printk+0xc7/0x100 [ 50.305999][ T63] ? snapshot_read.cold+0x21/0x21 [ 50.306002][ T63] ? try_to_wake_up+0x153/0x1130 [ 50.306004][ T63] ? select_fallback_rq+0x510/0x510 [ 50.306007][ T63] ? netdev_name+0x43/0x60 [ 50.306011][ T63] ? __netdev_printk+0x17f/0x1d0 [ 50.306013][ T63] netdev_info+0xe2/0x116 [ 50.306016][ T63] ? netdev_notice+0x120/0x120 [ 50.306018][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.306022][ T63] ? __queue_work+0x3ab/0xd30 [ 50.306026][ T63] ? trace_irq_enable.constprop.0+0x30/0x160 [ 50.306029][ T63] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 50.306036][ T63] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 50.306040][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.306042][ T63] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.306045][ T63] ovpn_peer_remove+0x394/0x640 [ovpn] [ 50.306050][ T63] ? do_raw_spin_lock+0x131/0x280 [ 50.306053][ T63] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 50.306057][ T63] ? __rwlock_init+0x150/0x150 [ 50.306059][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.306062][ T63] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.306064][ T63] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 50.306067][ T63] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 50.306072][ T63] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 50.306076][ T63] ? __rwlock_init+0x150/0x150 [ 50.306080][ T63] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 50.306085][ T63] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 50.306089][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.306092][ T63] ? lock_acquire+0x13c/0x160 [ 50.306094][ T63] ? rcu_is_watching+0x16/0xd0 [ 50.306097][ T63] ? process_one_work+0xdfc/0x1560 [ 50.306100][ T63] process_one_work+0xe3e/0x1560 [ 50.306104][ T63] ? __queue_delayed_work+0x470/0x470 [ 50.306108][ T63] ? __rwlock_init+0x150/0x150 [ 50.306111][ T63] worker_thread+0x4f1/0xd60 [ 50.306115][ T63] ? rescuer_thread+0x1340/0x1340 [ 50.306117][ T63] ? __kthread_parkme+0xbd/0x210 [ 50.306120][ T63] ? rescuer_thread+0x1340/0x1340 [ 50.306123][ T63] ? rescuer_thread+0x1340/0x1340 [ 50.306125][ T63] kthread+0x367/0x460 [ 50.306128][ T63] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.306130][ T63] ? kthread_affine_preferred+0x4c0/0x4c0 [ 50.306133][ T63] ret_from_fork+0x474/0x6b0 [ 50.306137][ T63] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 50.306139][ T63] ? __switch_to+0x5a3/0xe00 [ 50.306143][ T63] ? kthread_affine_preferred+0x4c0/0x4c0 [ 50.306145][ T63] ret_from_fork_asm+0x11/0x20 [ 50.306151][ T63] [ 50.369703][ T10] tun4: deleting peer with id 13, reason 2 [ 50.433719][ T63] tun5: deleting peer with id 14, reason 2 [ 50.434683][ T199] tun6: deleting peer with id 15, reason 2