[ 28.565995][ T739] iperf3 (739) used greatest stack depth: 23536 bytes left [ 28.566014][ T739] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.566016][ T739] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 739, name: iperf3 [ 28.566018][ T739] preempt_count: 2, expected: 0 [ 28.566019][ T739] RCU nest depth: 0, expected: 0 [ 28.566020][ T739] locks held by iperf3/739: 5, last CPU#0: [ 28.566022][ T739] #0: ffffffff9e8127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 28.566033][ T739] #1: ffffffff9e979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.566038][ T739] #2: ffffffff9e979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.566042][ T739] #3: ffffffff9e899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.566046][ T739] #4: ffffffff9e899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.566050][ T739] irq event stamp: 7763708 [ 28.566051][ T739] hardirqs last enabled at (7763707): [] __down_trylock_console_sem+0x86/0xa0 [ 28.566053][ T739] hardirqs last disabled at (7763708): [] console_emit_next_record+0x3d4/0x4c0 [ 28.566055][ T739] softirqs last enabled at (7763258): [] fpu__clear_user_states+0x104/0x290 [ 28.566058][ T739] softirqs last disabled at (7763256): [] fpu__clear_user_states+0x6d/0x290 [ 28.566061][ T739] Preemption disabled at: [ 28.566061][ T739] [<0000000000000000>] 0x0 [ 28.566068][ T739] CPU: 0 UID: 0 PID: 739 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.566071][ T739] Tainted: [W]=WARN [ 28.566072][ T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.566074][ T739] Call Trace: [ 28.566075][ T739] [ 28.566077][ T739] dump_stack_lvl+0x6f/0xa0 [ 28.566083][ T739] __might_resched.cold+0x1fe/0x2c1 [ 28.566087][ T739] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.566091][ T739] ? __kmalloc_noprof+0xdb/0x760 [ 28.566096][ T739] __kmalloc_noprof+0x443/0x760 [ 28.566098][ T739] ? alloc_buf.isra.0+0x4b/0x260 [ 28.566104][ T739] ? do_raw_spin_unlock+0x59/0x250 [ 28.566107][ T739] alloc_buf.isra.0+0x4b/0x260 [ 28.566110][ T739] put_chars+0x1e1/0x2f0 [ 28.566112][ T739] ? prb_final_commit+0x50/0x50 [ 28.566114][ T739] ? __send_to_port+0x420/0x420 [ 28.566117][ T739] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.566121][ T739] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.566123][ T739] ? validate_chain+0x38b/0xc20 [ 28.566127][ T739] hvc_console_print+0x292/0x780 [ 28.566130][ T739] ? mark_usage+0x61/0x170 [ 28.566132][ T739] ? __lock_acquire+0x518/0xc20 [ 28.566134][ T739] ? __lock_acquire+0x518/0xc20 [ 28.566137][ T739] ? hvc_write+0x3a0/0x3a0 [ 28.566140][ T739] ? console_emit_next_record+0x1df/0x4c0 [ 28.566143][ T739] ? rcu_is_watching+0x16/0xd0 [ 28.566145][ T739] ? lock_acquire+0x13c/0x160 [ 28.566149][ T739] console_emit_next_record+0x22f/0x4c0 [ 28.566153][ T739] ? devkmsg_read+0x4b0/0x4b0 [ 28.566154][ T739] ? console_flush_one_record+0x106/0x710 [ 28.566157][ T739] ? rcu_is_watching+0x16/0xd0 [ 28.566160][ T739] ? lock_acquire+0x13c/0x160 [ 28.566163][ T739] console_flush_one_record+0x46f/0x710 [ 28.566167][ T739] ? console_emit_next_record+0x4c0/0x4c0 [ 28.566169][ T739] ? __lock_acquire+0x518/0xc20 [ 28.566174][ T739] console_unlock+0xee/0x1f0 [ 28.566177][ T739] ? console_flush_one_record+0x710/0x710 [ 28.566178][ T739] ? rcu_is_watching+0x16/0xd0 [ 28.566181][ T739] ? lock_acquire+0x60/0x160 [ 28.566184][ T739] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.566186][ T739] ? vprintk_emit+0x320/0x3e0 [ 28.566189][ T739] vprintk_emit+0x37c/0x3e0 [ 28.566193][ T739] ? wake_up_klogd_work_func+0x90/0x90 [ 28.566196][ T739] ? __lock_acquire+0x518/0xc20 [ 28.566200][ T739] _printk+0xc7/0x100 [ 28.566203][ T739] ? snapshot_read.cold+0x21/0x21 [ 28.566206][ T739] ? do_raw_spin_lock+0x131/0x280 [ 28.566208][ T739] ? __rwlock_init+0x150/0x150 [ 28.566212][ T739] ? do_raw_spin_lock+0x131/0x280 [ 28.566214][ T739] do_exit.cold+0x82/0x9c [ 28.566218][ T739] ? exit_notify+0x890/0x890 [ 28.566223][ T739] __x64_sys_exit+0x42/0x50 [ 28.566225][ T739] x64_sys_call+0x156c/0x1570 [ 28.566228][ T739] do_syscall_64+0xff/0x530 [ 28.566231][ T739] ? exc_page_fault+0xee/0x100 [ 28.566234][ T739] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.566236][ T739] RIP: 0033:0x7f437c976c49 [ 28.566238][ T739] Code: Unable to access opcode bytes at 0x7f437c976c1f. [ 28.566239][ T739] RSP: 002b:00007f437c135e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.566242][ T739] RAX: ffffffffffffffda RBX: 00007f437c1366c0 RCX: 00007f437c976c49 [ 28.566243][ T739] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 28.566244][ T739] RBP: 00007f437c135f70 R08: 0000000000000001 R09: 00007f437c1366c0 [ 28.566245][ T739] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f437b936000 [ 28.566246][ T739] R13: 00007fff5ffe7560 R14: 0000000000000002 R15: 00007fff5ffe7667 [ 28.566252][ T739] [ 30.316295][ T834] tun0: deleting peer with id 1, reason 1 [ 30.316354][ T834] [ 30.316355][ T834] ===================================================== [ 30.316356][ T834] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 30.316359][ T834] 7.2.0-virtme #1 Tainted: G W [ 30.316361][ T834] ----------------------------------------------------- [ 30.316361][ T834] ovpn-cli/834 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 30.316363][ T834] ffffffff9e899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.316376][ T834] [ 30.316376][ T834] and this task is already holding: [ 30.316376][ T834] ff11000007dd9e68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 30.316384][ T834] which would create a new lock dependency: [ 30.316384][ T834] (&ovpn->lock){+.-.}-{3:3} -> (console_owner){....}-{0:0} [ 30.316388][ T834] [ 30.316388][ T834] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 30.316389][ T834] (&ovpn->lock){+.-.}-{3:3} [ 30.316390][ T834] [ 30.316390][ T834] ... which became SOFTIRQ-irq-safe at: [ 30.316391][ T834] __lock_acquire+0x388/0xc20 [ 30.316394][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316396][ T834] _raw_spin_lock_bh+0x38/0x50 [ 30.316399][ T834] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 30.316402][ T834] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 30.316405][ T834] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 30.316408][ T834] udp_queue_rcv_one_skb+0x645/0xb00 [ 30.316411][ T834] udp_unicast_rcv_skb+0x366/0x450 [ 30.316413][ T834] udp_rcv+0xaba/0x1d90 [ 30.316414][ T834] ip_protocol_deliver_rcu+0x82/0x350 [ 30.316416][ T834] ip_local_deliver_finish+0x36f/0x610 [ 30.316418][ T834] ip_local_deliver+0x184/0x4c0 [ 30.316419][ T834] ip_rcv+0xdc/0x3d0 [ 30.316420][ T834] __netif_receive_skb_one_core+0xfc/0x180 [ 30.316423][ T834] process_backlog+0x431/0x14c0 [ 30.316425][ T834] __napi_poll+0xa7/0x3b0 [ 30.316427][ T834] net_rx_action+0x513/0xf50 [ 30.316428][ T834] handle_softirqs+0x1d3/0x900 [ 30.316431][ T834] do_softirq+0xac/0xe0 [ 30.316432][ T834] __local_bh_enable_ip+0x118/0x150 [ 30.316433][ T834] __dev_queue_xmit+0x979/0x1b80 [ 30.316435][ T834] ip_finish_output2+0x5b9/0x1bc0 [ 30.316437][ T834] ip_output+0x1ca/0x660 [ 30.316438][ T834] ip_push_pending_frames+0xf6/0x250 [ 30.316440][ T834] raw_sendmsg+0x1169/0x1cc0 [ 30.316441][ T834] __sys_sendto+0x2aa/0x400 [ 30.316444][ T834] __x64_sys_sendto+0xe4/0x1f0 [ 30.316446][ T834] do_syscall_64+0xff/0x530 [ 30.316448][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.316450][ T834] [ 30.316450][ T834] to a SOFTIRQ-irq-unsafe lock: [ 30.316451][ T834] (fs_reclaim){+.+.}-{0:0} [ 30.316452][ T834] [ 30.316452][ T834] ... which became SOFTIRQ-irq-unsafe at: [ 30.316453][ T834] ... [ 30.316454][ T834] __lock_acquire+0x388/0xc20 [ 30.316456][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316457][ T834] fs_reclaim_acquire+0xd5/0x120 [ 30.316460][ T834] __kmalloc_cache_noprof+0x6e/0x620 [ 30.316462][ T834] kthread_create_worker_on_node+0xea/0x210 [ 30.316465][ T834] workqueue_init+0x2a/0x680 [ 30.316468][ T834] kernel_init_freeable+0x2fe/0x630 [ 30.316471][ T834] kernel_init+0x21/0x150 [ 30.316473][ T834] ret_from_fork+0x474/0x6b0 [ 30.316475][ T834] ret_from_fork_asm+0x11/0x20 [ 30.316478][ T834] [ 30.316478][ T834] other info that might help us debug this: [ 30.316478][ T834] [ 30.316479][ T834] Chain exists of: [ 30.316479][ T834] &ovpn->lock --> console_owner --> fs_reclaim [ 30.316479][ T834] [ 30.316481][ T834] Possible interrupt unsafe locking scenario: [ 30.316481][ T834] [ 30.316481][ T834] CPU0 CPU1 [ 30.316482][ T834] ---- ---- [ 30.316482][ T834] lock(fs_reclaim); [ 30.316483][ T834] local_irq_disable(); [ 30.316484][ T834] lock(&ovpn->lock); [ 30.316484][ T834] lock(console_owner); [ 30.316485][ T834] [ 30.316486][ T834] lock(&ovpn->lock); [ 30.316486][ T834] [ 30.316486][ T834] *** DEADLOCK *** [ 30.316486][ T834] [ 30.316487][ T834] locks held by ovpn-cli/834: 4, last CPU#0: [ 30.316488][ T834] #0: ffffffff9f144b68 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 30.316493][ T834] #1: ff11000007dd9e68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 30.316497][ T834] #2: ffffffff9e979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.316500][ T834] #3: ffffffff9e979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.316503][ T834] [ 30.316503][ T834] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 30.316504][ T834] -> (&ovpn->lock){+.-.}-{3:3} { [ 30.316506][ T834] HARDIRQ-ON-W at: [ 30.316508][ T834] __lock_acquire+0x388/0xc20 [ 30.316509][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316510][ T834] _raw_spin_lock_bh+0x38/0x50 [ 30.316511][ T834] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 30.316514][ T834] ovpn_peer_add+0x152/0x330 [ovpn] [ 30.316516][ T834] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 30.316518][ T834] genl_family_rcv_msg_doit+0x206/0x300 [ 30.316520][ T834] genl_family_rcv_msg+0x3a4/0x640 [ 30.316521][ T834] genl_rcv_msg+0xbb/0x160 [ 30.316523][ T834] netlink_rcv_skb+0x14e/0x3a0 [ 30.316524][ T834] genl_rcv+0x28/0x40 [ 30.316526][ T834] netlink_unicast+0x486/0x750 [ 30.316527][ T834] netlink_sendmsg+0x735/0xc60 [ 30.316529][ T834] ____sys_sendmsg+0x415/0x880 [ 30.316531][ T834] ___sys_sendmsg+0x14e/0x1d0 [ 30.316532][ T834] __sys_sendmsg+0x12c/0x1d0 [ 30.316534][ T834] do_syscall_64+0xff/0x530 [ 30.316535][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.316536][ T834] IN-SOFTIRQ-W at: [ 30.316537][ T834] __lock_acquire+0x388/0xc20 [ 30.316538][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316540][ T834] _raw_spin_lock_bh+0x38/0x50 [ 30.316541][ T834] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 30.316543][ T834] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 30.316545][ T834] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 30.316547][ T834] udp_queue_rcv_one_skb+0x645/0xb00 [ 30.316549][ T834] udp_unicast_rcv_skb+0x366/0x450 [ 30.316550][ T834] udp_rcv+0xaba/0x1d90 [ 30.316551][ T834] ip_protocol_deliver_rcu+0x82/0x350 [ 30.316552][ T834] ip_local_deliver_finish+0x36f/0x610 [ 30.316554][ T834] ip_local_deliver+0x184/0x4c0 [ 30.316555][ T834] ip_rcv+0xdc/0x3d0 [ 30.316556][ T834] __netif_receive_skb_one_core+0xfc/0x180 [ 30.316558][ T834] process_backlog+0x431/0x14c0 [ 30.316560][ T834] __napi_poll+0xa7/0x3b0 [ 30.316561][ T834] net_rx_action+0x513/0xf50 [ 30.316563][ T834] handle_softirqs+0x1d3/0x900 [ 30.316564][ T834] do_softirq+0xac/0xe0 [ 30.316565][ T834] __local_bh_enable_ip+0x118/0x150 [ 30.316566][ T834] __dev_queue_xmit+0x979/0x1b80 [ 30.316568][ T834] ip_finish_output2+0x5b9/0x1bc0 [ 30.316569][ T834] ip_output+0x1ca/0x660 [ 30.316570][ T834] ip_push_pending_frames+0xf6/0x250 [ 30.316574][ T834] raw_sendmsg+0x1169/0x1cc0 [ 30.316575][ T834] __sys_sendto+0x2aa/0x400 [ 30.316577][ T834] __x64_sys_sendto+0xe4/0x1f0 [ 30.316578][ T834] do_syscall_64+0xff/0x530 [ 30.316580][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.316581][ T834] INITIAL USE at: [ 30.316582][ T834] __lock_acquire+0x388/0xc20 [ 30.316583][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316584][ T834] _raw_spin_lock_bh+0x38/0x50 [ 30.316585][ T834] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 30.316588][ T834] ovpn_peer_add+0x152/0x330 [ovpn] [ 30.316590][ T834] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 30.316592][ T834] genl_family_rcv_msg_doit+0x206/0x300 [ 30.316594][ T834] genl_family_rcv_msg+0x3a4/0x640 [ 30.316596][ T834] genl_rcv_msg+0xbb/0x160 [ 30.316597][ T834] netlink_rcv_skb+0x14e/0x3a0 [ 30.316599][ T834] genl_rcv+0x28/0x40 [ 30.316600][ T834] netlink_unicast+0x486/0x750 [ 30.316602][ T834] netlink_sendmsg+0x735/0xc60 [ 30.316603][ T834] ____sys_sendmsg+0x415/0x880 [ 30.316604][ T834] ___sys_sendmsg+0x14e/0x1d0 [ 30.316606][ T834] __sys_sendmsg+0x12c/0x1d0 [ 30.316607][ T834] do_syscall_64+0xff/0x530 [ 30.316609][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.316610][ T834] } [ 30.316610][ T834] ... key at: [] __key.84+0x0/0x40 [ovpn] [ 30.316614][ T834] [ 30.316614][ T834] the dependencies between the lock to be acquired [ 30.316614][ T834] and SOFTIRQ-irq-unsafe lock: [ 30.316618][ T834] -> (fs_reclaim){+.+.}-{0:0} { [ 30.316620][ T834] HARDIRQ-ON-W at: [ 30.316621][ T834] __lock_acquire+0x388/0xc20 [ 30.316622][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316623][ T834] fs_reclaim_acquire+0xd5/0x120 [ 30.316625][ T834] __kmalloc_cache_noprof+0x6e/0x620 [ 30.316626][ T834] kthread_create_worker_on_node+0xea/0x210 [ 30.316627][ T834] workqueue_init+0x2a/0x680 [ 30.316628][ T834] kernel_init_freeable+0x2fe/0x630 [ 30.316630][ T834] kernel_init+0x21/0x150 [ 30.316631][ T834] ret_from_fork+0x474/0x6b0 [ 30.316632][ T834] ret_from_fork_asm+0x11/0x20 [ 30.316633][ T834] SOFTIRQ-ON-W at: [ 30.316634][ T834] __lock_acquire+0x388/0xc20 [ 30.316635][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316636][ T834] fs_reclaim_acquire+0xd5/0x120 [ 30.316637][ T834] __kmalloc_cache_noprof+0x6e/0x620 [ 30.316639][ T834] kthread_create_worker_on_node+0xea/0x210 [ 30.316640][ T834] workqueue_init+0x2a/0x680 [ 30.316641][ T834] kernel_init_freeable+0x2fe/0x630 [ 30.316642][ T834] kernel_init+0x21/0x150 [ 30.316644][ T834] ret_from_fork+0x474/0x6b0 [ 30.316645][ T834] ret_from_fork_asm+0x11/0x20 [ 30.316646][ T834] INITIAL USE at: [ 30.316646][ T834] __lock_acquire+0x388/0xc20 [ 30.316648][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316649][ T834] fs_reclaim_acquire+0xd5/0x120 [ 30.316650][ T834] __kmalloc_cache_noprof+0x6e/0x620 [ 30.316651][ T834] kthread_create_worker_on_node+0xea/0x210 [ 30.316652][ T834] workqueue_init+0x2a/0x680 [ 30.316653][ T834] kernel_init_freeable+0x2fe/0x630 [ 30.316655][ T834] kernel_init+0x21/0x150 [ 30.316656][ T834] ret_from_fork+0x474/0x6b0 [ 30.316657][ T834] ret_from_fork_asm+0x11/0x20 [ 30.316658][ T834] } [ 30.316659][ T834] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 30.316662][ T834] ... acquired at: [ 30.316663][ T834] __lock_acquire+0x518/0xc20 [ 30.316664][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316665][ T834] fs_reclaim_acquire+0xd5/0x120 [ 30.316666][ T834] __kmalloc_noprof+0xd3/0x760 [ 30.316668][ T834] alloc_buf.isra.0+0x4b/0x260 [ 30.316671][ T834] put_chars+0x1e1/0x2f0 [ 30.316672][ T834] hvc_console_print+0x292/0x780 [ 30.316674][ T834] console_emit_next_record+0x22f/0x4c0 [ 30.316676][ T834] console_flush_one_record+0x46f/0x710 [ 30.316677][ T834] console_unlock+0xee/0x1f0 [ 30.316679][ T834] vprintk_emit+0x37c/0x3e0 [ 30.316680][ T834] dev_vprintk_emit+0x27f/0x2c0 [ 30.316683][ T834] dev_printk_emit+0xb9/0xee [ 30.316684][ T834] _dev_info+0xe2/0x116 [ 30.316686][ T834] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 30.316688][ T834] cmos_do_probe+0x73b/0x98a [ 30.316690][ T834] platform_probe+0xfe/0x1f0 [ 30.316692][ T834] call_driver_probe+0x61/0x1c0 [ 30.316694][ T834] really_probe+0x199/0x760 [ 30.316695][ T834] __driver_probe_device+0x24f/0x440 [ 30.316697][ T834] driver_probe_device+0x4a/0xf0 [ 30.316698][ T834] __driver_attach+0x1b8/0x540 [ 30.316700][ T834] bus_for_each_dev+0x130/0x1e0 [ 30.316701][ T834] bus_add_driver+0x2c8/0x530 [ 30.316703][ T834] driver_register+0x1a3/0x390 [ 30.316704][ T834] __platform_driver_probe+0x13f/0x270 [ 30.316705][ T834] cmos_init+0x31/0x40 [ 30.316708][ T834] do_one_initcall+0x124/0x4f0 [ 30.316709][ T834] kernel_init_freeable+0x596/0x630 [ 30.316711][ T834] kernel_init+0x21/0x150 [ 30.316712][ T834] ret_from_fork+0x474/0x6b0 [ 30.316713][ T834] ret_from_fork_asm+0x11/0x20 [ 30.316714][ T834] [ 30.316714][ T834] -> (console_owner){....}-{0:0} { [ 30.316716][ T834] INITIAL USE at: [ 30.316717][ T834] } [ 30.316717][ T834] ... key at: [] console_owner_dep_map+0x0/0x60 [ 30.316721][ T834] ... acquired at: [ 30.316721][ T834] check_prev_add+0xef/0xe90 [ 30.316722][ T834] validate_chain+0x6b8/0xc20 [ 30.316724][ T834] __lock_acquire+0x518/0xc20 [ 30.316725][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316726][ T834] console_lock_spinning_enable+0x5c/0x60 [ 30.316728][ T834] console_emit_next_record+0x1d1/0x4c0 [ 30.316729][ T834] console_flush_one_record+0x46f/0x710 [ 30.316731][ T834] console_unlock+0xee/0x1f0 [ 30.316732][ T834] vprintk_emit+0x37c/0x3e0 [ 30.316733][ T834] _printk+0xc7/0x100 [ 30.316736][ T834] netdev_info+0xe2/0x116 [ 30.316738][ T834] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 30.316741][ T834] ovpn_peer_remove+0x394/0x640 [ovpn] [ 30.316743][ T834] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 30.316745][ T834] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 30.316748][ T834] genl_family_rcv_msg_doit+0x206/0x300 [ 30.316749][ T834] genl_family_rcv_msg+0x3a4/0x640 [ 30.316751][ T834] genl_rcv_msg+0xbb/0x160 [ 30.316752][ T834] netlink_rcv_skb+0x14e/0x3a0 [ 30.316754][ T834] genl_rcv+0x28/0x40 [ 30.316755][ T834] netlink_unicast+0x486/0x750 [ 30.316757][ T834] netlink_sendmsg+0x735/0xc60 [ 30.316758][ T834] ____sys_sendmsg+0x415/0x880 [ 30.316763][ T834] ___sys_sendmsg+0x14e/0x1d0 [ 30.316765][ T834] __sys_sendmsg+0x12c/0x1d0 [ 30.316766][ T834] do_syscall_64+0xff/0x530 [ 30.316768][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.316769][ T834] [ 30.316769][ T834] [ 30.316769][ T834] stack backtrace: [ 30.316772][ T834] CPU: 0 UID: 0 PID: 834 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.316775][ T834] Tainted: [W]=WARN [ 30.316776][ T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.316777][ T834] Call Trace: [ 30.316778][ T834] [ 30.316779][ T834] dump_stack_lvl+0x6f/0xa0 [ 30.316783][ T834] print_bad_irq_dependency+0x3e4/0x410 [ 30.316786][ T834] check_irq_usage+0x403/0x570 [ 30.316787][ T834] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.316791][ T834] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.316794][ T834] ? check_path.constprop.0+0x24/0x50 [ 30.316796][ T834] ? check_prev_add+0xef/0xe90 [ 30.316798][ T834] check_prev_add+0xef/0xe90 [ 30.316800][ T834] validate_chain+0x6b8/0xc20 [ 30.316802][ T834] __lock_acquire+0x518/0xc20 [ 30.316804][ T834] lock_acquire.part.0+0xd4/0x280 [ 30.316805][ T834] ? console_lock_spinning_enable+0x40/0x60 [ 30.316807][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.316809][ T834] ? lock_acquire+0x13c/0x160 [ 30.316811][ T834] console_lock_spinning_enable+0x5c/0x60 [ 30.316813][ T834] ? console_lock_spinning_enable+0x40/0x60 [ 30.316815][ T834] console_emit_next_record+0x1d1/0x4c0 [ 30.316817][ T834] ? devkmsg_read+0x4b0/0x4b0 [ 30.316818][ T834] ? console_flush_one_record+0x106/0x710 [ 30.316820][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.316822][ T834] ? lock_acquire+0x13c/0x160 [ 30.316824][ T834] console_flush_one_record+0x46f/0x710 [ 30.316826][ T834] ? console_emit_next_record+0x4c0/0x4c0 [ 30.316828][ T834] ? __lock_acquire+0x518/0xc20 [ 30.316830][ T834] console_unlock+0xee/0x1f0 [ 30.316832][ T834] ? console_flush_one_record+0x710/0x710 [ 30.316833][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.316835][ T834] ? lock_acquire+0x60/0x160 [ 30.316837][ T834] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.316838][ T834] ? vprintk_emit+0x320/0x3e0 [ 30.316840][ T834] vprintk_emit+0x37c/0x3e0 [ 30.316842][ T834] ? wake_up_klogd_work_func+0x90/0x90 [ 30.316844][ T834] ? kernel_text_address+0x149/0x170 [ 30.316846][ T834] ? __kernel_text_address+0x12/0x30 [ 30.316847][ T834] ? write_profile+0xf0/0xf0 [ 30.316849][ T834] ? unwind_get_return_address+0x67/0xd0 [ 30.316852][ T834] _printk+0xc7/0x100 [ 30.316853][ T834] ? snapshot_read.cold+0x21/0x21 [ 30.316856][ T834] ? mark_usage+0x61/0x170 [ 30.316857][ T834] ? netdev_name+0x43/0x60 [ 30.316858][ T834] ? __netdev_printk+0x17f/0x1d0 [ 30.316860][ T834] netdev_info+0xe2/0x116 [ 30.316861][ T834] ? netdev_notice+0x120/0x120 [ 30.316862][ T834] ? find_held_lock+0x2b/0x80 [ 30.316864][ T834] ? mark_usage+0x61/0x170 [ 30.316865][ T834] ? __lock_acquire+0x518/0xc20 [ 30.316868][ T834] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 30.316870][ T834] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 30.316873][ T834] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 30.316876][ T834] ovpn_peer_remove+0x394/0x640 [ovpn] [ 30.316878][ T834] ? do_raw_spin_lock+0x131/0x280 [ 30.316880][ T834] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 30.316883][ T834] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 30.316886][ T834] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 30.316889][ T834] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 30.316891][ T834] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 30.316893][ T834] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.316895][ T834] ? ref_tracker_alloc+0x28d/0x430 [ 30.316900][ T834] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 30.316903][ T834] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 30.316906][ T834] genl_family_rcv_msg_doit+0x206/0x300 [ 30.316908][ T834] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 30.316910][ T834] ? __lock_release.isra.0+0x69/0x1a0 [ 30.316912][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.316914][ T834] ? cap_capable+0x1d7/0x3d0 [ 30.316917][ T834] ? write_profile+0xf0/0xf0 [ 30.316919][ T834] ? unwind_get_return_address+0x67/0xd0 [ 30.316920][ T834] genl_family_rcv_msg+0x3a4/0x640 [ 30.316922][ T834] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 30.316924][ T834] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.316926][ T834] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 30.316928][ T834] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.316930][ T834] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 30.316933][ T834] ? __lock_acquire+0x518/0xc20 [ 30.316935][ T834] genl_rcv_msg+0xbb/0x160 [ 30.316937][ T834] netlink_rcv_skb+0x14e/0x3a0 [ 30.316939][ T834] ? genl_family_rcv_msg+0x640/0x640 [ 30.316941][ T834] ? netlink_ack+0xcf0/0xcf0 [ 30.316944][ T834] ? netlink_deliver_tap+0xc5/0x330 [ 30.316945][ T834] ? netlink_deliver_tap+0x13c/0x330 [ 30.316947][ T834] genl_rcv+0x28/0x40 [ 30.316949][ T834] netlink_unicast+0x486/0x750 [ 30.316951][ T834] ? netlink_attachskb+0x810/0x810 [ 30.316953][ T834] ? __lock_acquire+0x518/0xc20 [ 30.316955][ T834] netlink_sendmsg+0x735/0xc60 [ 30.316957][ T834] ? netlink_unicast+0x750/0x750 [ 30.316959][ T834] ? __might_fault+0x97/0x140 [ 30.316962][ T834] ____sys_sendmsg+0x415/0x880 [ 30.316964][ T834] ? copy_msghdr_from_user+0x279/0x420 [ 30.316966][ T834] ? get_timestamp.constprop.0+0x390/0x390 [ 30.316967][ T834] ? move_addr_to_kernel+0x40/0x40 [ 30.316970][ T834] ___sys_sendmsg+0x14e/0x1d0 [ 30.316972][ T834] ? copy_msghdr_from_user+0x420/0x420 [ 30.316973][ T834] ? kfree+0x22/0x590 [ 30.316978][ T834] __sys_sendmsg+0x12c/0x1d0 [ 30.316980][ T834] ? __sys_sendmsg_sock+0x20/0x20 [ 30.316982][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.316984][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.316986][ T834] do_syscall_64+0xff/0x530 [ 30.316988][ T834] ? exc_page_fault+0xee/0x100 [ 30.316989][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.316991][ T834] RIP: 0033:0x7f59fecb854e [ 30.316994][ T834] 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 [ 30.316995][ T834] RSP: 002b:00007ffde5a73f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.316998][ T834] RAX: ffffffffffffffda RBX: 000000003b67a130 RCX: 00007f59fecb854e [ 30.316999][ T834] RDX: 0000000000000000 RSI: 00007ffde5a73ff0 RDI: 0000000000000005 [ 30.317000][ T834] RBP: 00007ffde5a73f60 R08: 0000000000000000 R09: 0000000000000000 [ 30.317001][ T834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003b67a200 [ 30.317002][ T834] R13: 00007ffde5a73ff0 R14: 000000003b67b260 R15: 000000000040bda8 [ 30.317004][ T834] [ 30.317008][ T834] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.317009][ T834] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 834, name: ovpn-cli [ 30.317011][ T834] preempt_count: 202, expected: 0 [ 30.317011][ T834] RCU nest depth: 0, expected: 0 [ 30.317012][ T834] INFO: lockdep is turned off. [ 30.317013][ T834] irq event stamp: 44325 [ 30.317013][ T834] hardirqs last enabled at (44324): [] __down_trylock_console_sem+0x86/0xa0 [ 30.317016][ T834] hardirqs last disabled at (44325): [] console_emit_next_record+0x3d4/0x4c0 [ 30.317017][ T834] softirqs last enabled at (44292): [] __alloc_skb+0x4c2/0x5f0 [ 30.317020][ T834] softirqs last disabled at (44320): [] ovpn_peer_del+0xa0/0x590 [ovpn] [ 30.317023][ T834] Preemption disabled at: [ 30.317023][ T834] [<0000000000000000>] 0x0 [ 30.317025][ T834] CPU: 0 UID: 0 PID: 834 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.317027][ T834] Tainted: [W]=WARN [ 30.317028][ T834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.317028][ T834] Call Trace: [ 30.317029][ T834] [ 30.317029][ T834] dump_stack_lvl+0x6f/0xa0 [ 30.317031][ T834] __might_resched.cold+0x1fe/0x2c1 [ 30.317034][ T834] ? check_irq_usage+0x403/0x570 [ 30.317035][ T834] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.317038][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317040][ T834] __kmalloc_noprof+0x443/0x760 [ 30.317042][ T834] ? __rwlock_init+0x150/0x150 [ 30.317044][ T834] ? alloc_buf.isra.0+0x4b/0x260 [ 30.317045][ T834] ? do_raw_spin_unlock+0x59/0x250 [ 30.317047][ T834] alloc_buf.isra.0+0x4b/0x260 [ 30.317049][ T834] put_chars+0x1e1/0x2f0 [ 30.317051][ T834] ? __send_to_port+0x420/0x420 [ 30.317052][ T834] ? check_prev_add+0xef/0xe90 [ 30.317054][ T834] ? validate_chain+0x6b8/0xc20 [ 30.317056][ T834] hvc_console_print+0x292/0x780 [ 30.317058][ T834] ? __lock_acquire+0x518/0xc20 [ 30.317060][ T834] ? hvc_write+0x3a0/0x3a0 [ 30.317061][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317063][ T834] ? lock_acquire+0x13c/0x160 [ 30.317065][ T834] console_emit_next_record+0x22f/0x4c0 [ 30.317067][ T834] ? devkmsg_read+0x4b0/0x4b0 [ 30.317068][ T834] ? console_flush_one_record+0x106/0x710 [ 30.317070][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317072][ T834] ? lock_acquire+0x13c/0x160 [ 30.317074][ T834] console_flush_one_record+0x46f/0x710 [ 30.317076][ T834] ? console_emit_next_record+0x4c0/0x4c0 [ 30.317078][ T834] ? __lock_acquire+0x518/0xc20 [ 30.317080][ T834] console_unlock+0xee/0x1f0 [ 30.317082][ T834] ? console_flush_one_record+0x710/0x710 [ 30.317083][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317085][ T834] ? lock_acquire+0x60/0x160 [ 30.317087][ T834] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.317088][ T834] ? vprintk_emit+0x320/0x3e0 [ 30.317090][ T834] vprintk_emit+0x37c/0x3e0 [ 30.317092][ T834] ? wake_up_klogd_work_func+0x90/0x90 [ 30.317094][ T834] ? kernel_text_address+0x149/0x170 [ 30.317095][ T834] ? __kernel_text_address+0x12/0x30 [ 30.317096][ T834] ? write_profile+0xf0/0xf0 [ 30.317097][ T834] ? unwind_get_return_address+0x67/0xd0 [ 30.317099][ T834] _printk+0xc7/0x100 [ 30.317101][ T834] ? snapshot_read.cold+0x21/0x21 [ 30.317103][ T834] ? mark_usage+0x61/0x170 [ 30.317104][ T834] ? netdev_name+0x43/0x60 [ 30.317105][ T834] ? __netdev_printk+0x17f/0x1d0 [ 30.317107][ T834] netdev_info+0xe2/0x116 [ 30.317108][ T834] ? netdev_notice+0x120/0x120 [ 30.317109][ T834] ? find_held_lock+0x2b/0x80 [ 30.317111][ T834] ? mark_usage+0x61/0x170 [ 30.317112][ T834] ? __lock_acquire+0x518/0xc20 [ 30.317115][ T834] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 30.317117][ T834] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 30.317120][ T834] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 30.317123][ T834] ovpn_peer_remove+0x394/0x640 [ovpn] [ 30.317125][ T834] ? do_raw_spin_lock+0x131/0x280 [ 30.317126][ T834] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 30.317130][ T834] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 30.317132][ T834] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 30.317135][ T834] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 30.317138][ T834] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 30.317139][ T834] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.317141][ T834] ? ref_tracker_alloc+0x28d/0x430 [ 30.317145][ T834] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 30.317147][ T834] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 30.317150][ T834] genl_family_rcv_msg_doit+0x206/0x300 [ 30.317152][ T834] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 30.317154][ T834] ? __lock_release.isra.0+0x69/0x1a0 [ 30.317157][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317158][ T834] ? cap_capable+0x1d7/0x3d0 [ 30.317160][ T834] ? write_profile+0xf0/0xf0 [ 30.317161][ T834] ? unwind_get_return_address+0x67/0xd0 [ 30.317163][ T834] genl_family_rcv_msg+0x3a4/0x640 [ 30.317165][ T834] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 30.317167][ T834] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.317168][ T834] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 30.317170][ T834] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.317173][ T834] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 30.317175][ T834] ? __lock_acquire+0x518/0xc20 [ 30.317177][ T834] genl_rcv_msg+0xbb/0x160 [ 30.317179][ T834] netlink_rcv_skb+0x14e/0x3a0 [ 30.317181][ T834] ? genl_family_rcv_msg+0x640/0x640 [ 30.317183][ T834] ? netlink_ack+0xcf0/0xcf0 [ 30.317186][ T834] ? netlink_deliver_tap+0xc5/0x330 [ 30.317187][ T834] ? netlink_deliver_tap+0x13c/0x330 [ 30.317189][ T834] genl_rcv+0x28/0x40 [ 30.317191][ T834] netlink_unicast+0x486/0x750 [ 30.317193][ T834] ? netlink_attachskb+0x810/0x810 [ 30.317195][ T834] ? __lock_acquire+0x518/0xc20 [ 30.317197][ T834] netlink_sendmsg+0x735/0xc60 [ 30.317199][ T834] ? netlink_unicast+0x750/0x750 [ 30.317201][ T834] ? __might_fault+0x97/0x140 [ 30.317203][ T834] ____sys_sendmsg+0x415/0x880 [ 30.317205][ T834] ? copy_msghdr_from_user+0x279/0x420 [ 30.317207][ T834] ? get_timestamp.constprop.0+0x390/0x390 [ 30.317208][ T834] ? move_addr_to_kernel+0x40/0x40 [ 30.317211][ T834] ___sys_sendmsg+0x14e/0x1d0 [ 30.317213][ T834] ? copy_msghdr_from_user+0x420/0x420 [ 30.317214][ T834] ? kfree+0x22/0x590 [ 30.317219][ T834] __sys_sendmsg+0x12c/0x1d0 [ 30.317221][ T834] ? __sys_sendmsg_sock+0x20/0x20 [ 30.317223][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317225][ T834] ? rcu_is_watching+0x16/0xd0 [ 30.317227][ T834] do_syscall_64+0xff/0x530 [ 30.317229][ T834] ? exc_page_fault+0xee/0x100 [ 30.317230][ T834] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.317231][ T834] RIP: 0033:0x7f59fecb854e [ 30.317232][ T834] 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 [ 30.317233][ T834] RSP: 002b:00007ffde5a73f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.317235][ T834] RAX: ffffffffffffffda RBX: 000000003b67a130 RCX: 00007f59fecb854e [ 30.317235][ T834] RDX: 0000000000000000 RSI: 00007ffde5a73ff0 RDI: 0000000000000005 [ 30.317236][ T834] RBP: 00007ffde5a73f60 R08: 0000000000000000 R09: 0000000000000000 [ 30.317237][ T834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003b67a200 [ 30.317237][ T834] R13: 00007ffde5a73ff0 R14: 000000003b67b260 R15: 000000000040bda8 [ 30.317240][ T834] [ 30.429006][ T834] ovpn-cli (834) used greatest stack depth: 23432 bytes left [ 30.490584][ T838] tun1: deleting peer with id 1, reason 1 [ 33.031252][ T886] tun0: deleting peer with id 2, reason 1 [ 33.031268][ T886] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.031271][ T886] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 886, name: ovpn-cli [ 33.031272][ T886] preempt_count: 202, expected: 0 [ 33.031273][ T886] RCU nest depth: 0, expected: 0 [ 33.031274][ T886] INFO: lockdep is turned off. [ 33.031275][ T886] irq event stamp: 0 [ 33.031276][ T886] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.031280][ T886] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 33.031286][ T886] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 33.031287][ T886] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.031289][ T886] Preemption disabled at: [ 33.031289][ T886] [<0000000000000000>] 0x0 [ 33.031294][ T886] CPU: 0 UID: 0 PID: 886 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.031298][ T886] Tainted: [W]=WARN [ 33.031298][ T886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.031300][ T886] Call Trace: [ 33.031301][ T886] [ 33.031302][ T886] dump_stack_lvl+0x6f/0xa0 [ 33.031307][ T886] __might_resched.cold+0x1fe/0x2c1 [ 33.031311][ T886] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.031315][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031319][ T886] __kmalloc_noprof+0x443/0x760 [ 33.031322][ T886] ? __rwlock_init+0x150/0x150 [ 33.031325][ T886] ? alloc_buf.isra.0+0x4b/0x260 [ 33.031330][ T886] ? do_raw_spin_unlock+0x59/0x250 [ 33.031331][ T886] alloc_buf.isra.0+0x4b/0x260 [ 33.031333][ T886] put_chars+0x1e1/0x2f0 [ 33.031335][ T886] ? __send_to_port+0x420/0x420 [ 33.031337][ T886] ? printk_get_next_message+0x240/0x650 [ 33.031340][ T886] hvc_console_print+0x292/0x780 [ 33.031344][ T886] ? hvc_write+0x3a0/0x3a0 [ 33.031346][ T886] ? __rwlock_init+0x150/0x150 [ 33.031347][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031349][ T886] ? lock_acquire+0x13c/0x160 [ 33.031351][ T886] console_emit_next_record+0x22f/0x4c0 [ 33.031354][ T886] ? devkmsg_read+0x4b0/0x4b0 [ 33.031356][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031357][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031359][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031361][ T886] ? lock_acquire+0x13c/0x160 [ 33.031363][ T886] ? console_flush_one_record+0x111/0x710 [ 33.031364][ T886] console_flush_one_record+0x46f/0x710 [ 33.031367][ T886] ? console_emit_next_record+0x4c0/0x4c0 [ 33.031369][ T886] console_unlock+0xee/0x1f0 [ 33.031371][ T886] ? lock_acquire+0x13c/0x160 [ 33.031372][ T886] ? console_flush_one_record+0x710/0x710 [ 33.031374][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031376][ T886] ? lock_release+0x184/0x1f0 [ 33.031377][ T886] ? lock_acquire+0x60/0x160 [ 33.031378][ T886] ? __rcu_read_lock+0x30/0x70 [ 33.031380][ T886] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.031382][ T886] ? vprintk_emit+0x320/0x3e0 [ 33.031384][ T886] vprintk_emit+0x37c/0x3e0 [ 33.031386][ T886] ? wake_up_klogd_work_func+0x90/0x90 [ 33.031388][ T886] ? kernel_text_address+0x149/0x170 [ 33.031391][ T886] ? __kernel_text_address+0x12/0x30 [ 33.031392][ T886] ? write_profile+0xf0/0xf0 [ 33.031394][ T886] ? unwind_get_return_address+0x67/0xd0 [ 33.031397][ T886] _printk+0xc7/0x100 [ 33.031400][ T886] ? snapshot_read.cold+0x21/0x21 [ 33.031402][ T886] ? netdev_name+0x43/0x60 [ 33.031404][ T886] ? __netdev_printk+0x17f/0x1d0 [ 33.031406][ T886] netdev_info+0xe2/0x116 [ 33.031408][ T886] ? netdev_notice+0x120/0x120 [ 33.031409][ T886] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 33.031415][ T886] ? __module_address+0x36/0x330 [ 33.031418][ T886] ? lock_acquire+0x13c/0x160 [ 33.031420][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031421][ T886] ? lock_release+0x184/0x1f0 [ 33.031423][ T886] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 33.031426][ T886] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 33.031431][ T886] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 33.031433][ T886] ? lock_acquire+0x13c/0x160 [ 33.031435][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031437][ T886] ? lock_release+0x184/0x1f0 [ 33.031438][ T886] ovpn_peer_remove+0x394/0x640 [ovpn] [ 33.031441][ T886] ? do_raw_spin_lock+0x131/0x280 [ 33.031443][ T886] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 33.031446][ T886] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 33.031449][ T886] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 33.031453][ T886] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 33.031455][ T886] ? trace_hardirqs_on+0x36/0x40 [ 33.031458][ T886] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.031460][ T886] ? ref_tracker_alloc+0x28d/0x430 [ 33.031465][ T886] ? lock_release+0x184/0x1f0 [ 33.031467][ T886] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 33.031470][ T886] genl_family_rcv_msg_doit+0x206/0x300 [ 33.031474][ T886] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 33.031476][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031479][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031480][ T886] ? cap_capable+0x1d7/0x3d0 [ 33.031484][ T886] ? write_profile+0xf0/0xf0 [ 33.031485][ T886] ? unwind_get_return_address+0x67/0xd0 [ 33.031487][ T886] genl_family_rcv_msg+0x3a4/0x640 [ 33.031489][ T886] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 33.031491][ T886] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 33.031493][ T886] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 33.031496][ T886] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 33.031498][ T886] ? filter_irq_stacks+0xd0/0xd0 [ 33.031499][ T886] ? stack_depot_save_flags+0x1bc/0x790 [ 33.031502][ T886] genl_rcv_msg+0xbb/0x160 [ 33.031504][ T886] netlink_rcv_skb+0x14e/0x3a0 [ 33.031506][ T886] ? genl_family_rcv_msg+0x640/0x640 [ 33.031508][ T886] ? netlink_ack+0xcf0/0xcf0 [ 33.031511][ T886] ? lock_acquire+0x13c/0x160 [ 33.031512][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031514][ T886] ? lock_release+0x184/0x1f0 [ 33.031516][ T886] genl_rcv+0x28/0x40 [ 33.031518][ T886] netlink_unicast+0x486/0x750 [ 33.031520][ T886] ? netlink_attachskb+0x810/0x810 [ 33.031522][ T886] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.031523][ T886] ? trace_hardirqs_on+0x36/0x40 [ 33.031524][ T886] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 33.031528][ T886] netlink_sendmsg+0x735/0xc60 [ 33.031530][ T886] ? netlink_unicast+0x750/0x750 [ 33.031532][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031534][ T886] ? lock_release+0x184/0x1f0 [ 33.031536][ T886] ____sys_sendmsg+0x415/0x880 [ 33.031539][ T886] ? copy_msghdr_from_user+0x279/0x420 [ 33.031541][ T886] ? get_timestamp.constprop.0+0x390/0x390 [ 33.031542][ T886] ? move_addr_to_kernel+0x40/0x40 [ 33.031545][ T886] ___sys_sendmsg+0x14e/0x1d0 [ 33.031547][ T886] ? copy_msghdr_from_user+0x420/0x420 [ 33.031549][ T886] ? kfree+0x22/0x590 [ 33.031553][ T886] __sys_sendmsg+0x12c/0x1d0 [ 33.031556][ T886] ? __sys_sendmsg_sock+0x20/0x20 [ 33.031558][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031560][ T886] ? rcu_is_watching+0x16/0xd0 [ 33.031562][ T886] do_syscall_64+0xff/0x530 [ 33.031565][ T886] ? exc_page_fault+0xee/0x100 [ 33.031566][ T886] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.031568][ T886] RIP: 0033:0x7f71b33b854e [ 33.031570][ T886] 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 [ 33.031574][ T886] RSP: 002b:00007ffd9537ea80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.031578][ T886] RAX: ffffffffffffffda RBX: 000000002a77a130 RCX: 00007f71b33b854e [ 33.031579][ T886] RDX: 0000000000000000 RSI: 00007ffd9537eb20 RDI: 0000000000000005 [ 33.031580][ T886] RBP: 00007ffd9537ea90 R08: 0000000000000000 R09: 0000000000000000 [ 33.031581][ T886] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002a77a200 [ 33.031582][ T886] R13: 00007ffd9537eb20 R14: 000000002a77b260 R15: 000000000040bda8 [ 33.031584][ T886] [ 33.103666][ T890] tun2: deleting peer with id 2, reason 1 [ 38.890592][ T65] tun0: deleting peer with id 4, reason 2 [ 38.890613][ T65] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.890615][ T65] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 65, name: kworker/2:2 [ 38.890616][ T65] preempt_count: 202, expected: 0 [ 38.890617][ T65] RCU nest depth: 0, expected: 0 [ 38.890618][ T65] INFO: lockdep is turned off. [ 38.890619][ T65] irq event stamp: 37400 [ 38.890620][ T65] hardirqs last enabled at (37399): [] _raw_spin_unlock_irq+0x28/0x50 [ 38.890628][ T65] hardirqs last disabled at (37400): [] __schedule+0x1246/0x20e0 [ 38.890631][ T65] softirqs last enabled at (33516): [] handle_softirqs+0x67c/0x900 [ 38.890634][ T65] softirqs last disabled at (33457): [] __irq_exit_rcu+0x145/0x1c0 [ 38.890636][ T65] Preemption disabled at: [ 38.890637][ T65] [<0000000000000000>] 0x0 [ 38.890644][ T65] CPU: 2 UID: 0 PID: 65 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.890648][ T65] Tainted: [W]=WARN [ 38.890648][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.890651][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.890660][ T65] Call Trace: [ 38.890662][ T65] [ 38.890664][ T65] dump_stack_lvl+0x6f/0xa0 [ 38.890669][ T65] __might_resched.cold+0x1fe/0x2c1 [ 38.890673][ T65] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.890676][ T65] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 38.890678][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890682][ T65] __kmalloc_noprof+0x443/0x760 [ 38.890685][ T65] ? __rwlock_init+0x150/0x150 [ 38.890688][ T65] ? alloc_buf.isra.0+0x4b/0x260 [ 38.890691][ T65] ? do_raw_spin_unlock+0x59/0x250 [ 38.890693][ T65] alloc_buf.isra.0+0x4b/0x260 [ 38.890695][ T65] put_chars+0x1e1/0x2f0 [ 38.890697][ T65] ? prb_final_commit+0x50/0x50 [ 38.890698][ T65] ? __send_to_port+0x420/0x420 [ 38.890700][ T65] ? printk_get_next_message+0x240/0x650 [ 38.890703][ T65] hvc_console_print+0x292/0x780 [ 38.890707][ T65] ? hvc_write+0x3a0/0x3a0 [ 38.890708][ T65] ? do_raw_spin_lock+0x131/0x280 [ 38.890710][ T65] ? vsnprintf+0x527/0x1700 [ 38.890712][ T65] ? __rwlock_init+0x150/0x150 [ 38.890713][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890715][ T65] ? lock_acquire+0x13c/0x160 [ 38.890717][ T65] console_emit_next_record+0x22f/0x4c0 [ 38.890720][ T65] ? devkmsg_read+0x4b0/0x4b0 [ 38.890721][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890723][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890724][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890726][ T65] ? lock_acquire+0x13c/0x160 [ 38.890728][ T65] ? console_flush_one_record+0x111/0x710 [ 38.890729][ T65] console_flush_one_record+0x46f/0x710 [ 38.890732][ T65] ? console_emit_next_record+0x4c0/0x4c0 [ 38.890734][ T65] console_unlock+0xee/0x1f0 [ 38.890736][ T65] ? lock_acquire+0x13c/0x160 [ 38.890737][ T65] ? console_flush_one_record+0x710/0x710 [ 38.890739][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890740][ T65] ? lock_release+0x184/0x1f0 [ 38.890742][ T65] ? lock_acquire+0x60/0x160 [ 38.890743][ T65] ? __rcu_read_lock+0x30/0x70 [ 38.890745][ T65] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.890747][ T65] ? vprintk_emit+0x320/0x3e0 [ 38.890749][ T65] vprintk_emit+0x37c/0x3e0 [ 38.890751][ T65] ? wake_up_klogd_work_func+0x90/0x90 [ 38.890753][ T65] ? arch_stack_walk+0xd7/0x130 [ 38.890756][ T65] ? queued_spin_lock_slowpath+0x103/0xa60 [ 38.890757][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890759][ T65] _printk+0xc7/0x100 [ 38.890762][ T65] ? snapshot_read.cold+0x21/0x21 [ 38.890764][ T65] ? __add_to_free_list+0x81/0x5c0 [ 38.890766][ T65] ? __mod_zone_page_state+0xe1/0x190 [ 38.890768][ T65] ? netdev_name+0x43/0x60 [ 38.890771][ T65] ? __netdev_printk+0x17f/0x1d0 [ 38.890773][ T65] netdev_info+0xe2/0x116 [ 38.890774][ T65] ? netdev_notice+0x120/0x120 [ 38.890776][ T65] ? free_pcppages_bulk+0x363/0x6e0 [ 38.890778][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890779][ T65] ? trace_irq_enable.constprop.0+0x30/0x160 [ 38.890782][ T65] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 38.890787][ T65] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 38.890789][ T65] ? __rwlock_init+0x150/0x150 [ 38.890791][ T65] ? lock_acquire+0x13c/0x160 [ 38.890792][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890794][ T65] ovpn_peer_remove+0x394/0x640 [ovpn] [ 38.890798][ T65] ? do_raw_spin_lock+0x131/0x280 [ 38.890803][ T65] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 38.890805][ T65] ? __rwlock_init+0x150/0x150 [ 38.890807][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890808][ T65] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.890810][ T65] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 38.890811][ T65] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 38.890814][ T65] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 38.890816][ T65] ? __rwlock_init+0x150/0x150 [ 38.890819][ T65] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 38.890822][ T65] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 38.890824][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890826][ T65] ? lock_acquire+0x13c/0x160 [ 38.890828][ T65] ? rcu_is_watching+0x16/0xd0 [ 38.890830][ T65] process_one_work+0xe3e/0x1560 [ 38.890834][ T65] ? __queue_delayed_work+0x470/0x470 [ 38.890835][ T65] ? find_held_lock+0x2b/0x80 [ 38.890837][ T65] ? __rwlock_init+0x150/0x150 [ 38.890839][ T65] worker_thread+0x4f1/0xd60 [ 38.890842][ T65] ? rescuer_thread+0x1340/0x1340 [ 38.890843][ T65] ? __kthread_parkme+0xbd/0x210 [ 38.890846][ T65] ? rescuer_thread+0x1340/0x1340 [ 38.890847][ T65] ? rescuer_thread+0x1340/0x1340 [ 38.890849][ T65] kthread+0x367/0x460 [ 38.890851][ T65] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.890852][ T65] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.890854][ T65] ret_from_fork+0x474/0x6b0 [ 38.890856][ T65] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 38.890857][ T65] ? __switch_to+0x5a3/0xe00 [ 38.890859][ T65] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.890861][ T65] ret_from_fork_asm+0x11/0x20 [ 38.890865][ T65] [ 38.909660][ T65] tun0: deleting peer with id 3, reason 2 [ 38.909872][ T65] tun0: deleting peer with id 5, reason 2 [ 38.910085][ T65] tun0: deleting peer with id 6, reason 2 [ 44.010612][ T60] tun3: deleting peer with id 3, reason 2 [ 44.010630][ T60] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 44.010632][ T60] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 60, name: kworker/3:1 [ 44.010634][ T60] preempt_count: 202, expected: 0 [ 44.010635][ T60] RCU nest depth: 0, expected: 0 [ 44.010635][ T60] INFO: lockdep is turned off. [ 44.010637][ T60] irq event stamp: 21400 [ 44.010637][ T60] hardirqs last enabled at (21399): [] _raw_spin_unlock_irq+0x28/0x50 [ 44.010645][ T60] hardirqs last disabled at (21400): [] __schedule+0x1246/0x20e0 [ 44.010648][ T60] softirqs last enabled at (21312): [] handle_softirqs+0x67c/0x900 [ 44.010652][ T60] softirqs last disabled at (20465): [] __irq_exit_rcu+0x145/0x1c0 [ 44.010654][ T60] Preemption disabled at: [ 44.010655][ T60] [<0000000000000000>] 0x0 [ 44.010661][ T60] CPU: 3 UID: 0 PID: 60 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 44.010664][ T60] Tainted: [W]=WARN [ 44.010665][ T60] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.010667][ T60] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.010674][ T60] Call Trace: [ 44.010676][ T60] [ 44.010677][ T60] dump_stack_lvl+0x6f/0xa0 [ 44.010682][ T60] __might_resched.cold+0x1fe/0x2c1 [ 44.010685][ T60] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 44.010689][ T60] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 44.010691][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010695][ T60] __kmalloc_noprof+0x443/0x760 [ 44.010698][ T60] ? __rwlock_init+0x150/0x150 [ 44.010701][ T60] ? alloc_buf.isra.0+0x4b/0x260 [ 44.010704][ T60] ? do_raw_spin_unlock+0x59/0x250 [ 44.010706][ T60] alloc_buf.isra.0+0x4b/0x260 [ 44.010708][ T60] put_chars+0x1e1/0x2f0 [ 44.010710][ T60] ? prb_final_commit+0x50/0x50 [ 44.010711][ T60] ? __send_to_port+0x420/0x420 [ 44.010713][ T60] ? printk_get_next_message+0x240/0x650 [ 44.010716][ T60] hvc_console_print+0x292/0x780 [ 44.010720][ T60] ? hvc_write+0x3a0/0x3a0 [ 44.010721][ T60] ? do_raw_spin_lock+0x131/0x280 [ 44.010722][ T60] ? vsnprintf+0x527/0x1700 [ 44.010724][ T60] ? __rwlock_init+0x150/0x150 [ 44.010726][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010728][ T60] ? lock_acquire+0x13c/0x160 [ 44.010730][ T60] console_emit_next_record+0x22f/0x4c0 [ 44.010732][ T60] ? devkmsg_read+0x4b0/0x4b0 [ 44.010734][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010736][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010738][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010739][ T60] ? lock_acquire+0x13c/0x160 [ 44.010741][ T60] ? console_flush_one_record+0x111/0x710 [ 44.010743][ T60] console_flush_one_record+0x46f/0x710 [ 44.010745][ T60] ? console_emit_next_record+0x4c0/0x4c0 [ 44.010747][ T60] console_unlock+0xee/0x1f0 [ 44.010749][ T60] ? lock_acquire+0x13c/0x160 [ 44.010751][ T60] ? console_flush_one_record+0x710/0x710 [ 44.010752][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010754][ T60] ? lock_release+0x184/0x1f0 [ 44.010755][ T60] ? lock_acquire+0x60/0x160 [ 44.010757][ T60] ? __rcu_read_lock+0x30/0x70 [ 44.010759][ T60] ? __down_trylock_console_sem+0x5e/0xa0 [ 44.010760][ T60] ? vprintk_emit+0x320/0x3e0 [ 44.010762][ T60] vprintk_emit+0x37c/0x3e0 [ 44.010764][ T60] ? wake_up_klogd_work_func+0x90/0x90 [ 44.010766][ T60] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 44.010768][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010769][ T60] ? trace_sched_wakeup+0x9b/0x160 [ 44.010772][ T60] _printk+0xc7/0x100 [ 44.010774][ T60] ? snapshot_read.cold+0x21/0x21 [ 44.010776][ T60] ? try_to_wake_up+0x153/0x1130 [ 44.010778][ T60] ? select_fallback_rq+0x510/0x510 [ 44.010779][ T60] ? netdev_name+0x43/0x60 [ 44.010782][ T60] ? __netdev_printk+0x17f/0x1d0 [ 44.010783][ T60] netdev_info+0xe2/0x116 [ 44.010785][ T60] ? netdev_notice+0x120/0x120 [ 44.010787][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010789][ T60] ? __queue_work+0x3ab/0xd30 [ 44.010792][ T60] ? trace_irq_enable.constprop.0+0x30/0x160 [ 44.010795][ T60] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 44.010799][ T60] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 44.010801][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010803][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.010805][ T60] ovpn_peer_remove+0x394/0x640 [ovpn] [ 44.010808][ T60] ? do_raw_spin_lock+0x131/0x280 [ 44.010810][ T60] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 44.010813][ T60] ? __rwlock_init+0x150/0x150 [ 44.010814][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010816][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.010817][ T60] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 44.010819][ T60] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 44.010821][ T60] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 44.010828][ T60] ? __rwlock_init+0x150/0x150 [ 44.010830][ T60] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 44.010833][ T60] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 44.010836][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010837][ T60] ? lock_acquire+0x13c/0x160 [ 44.010839][ T60] ? rcu_is_watching+0x16/0xd0 [ 44.010841][ T60] ? process_one_work+0xdfc/0x1560 [ 44.010843][ T60] process_one_work+0xe3e/0x1560 [ 44.010846][ T60] ? __queue_delayed_work+0x470/0x470 [ 44.010847][ T60] ? find_held_lock+0x2b/0x80 [ 44.010850][ T60] ? __rwlock_init+0x150/0x150 [ 44.010852][ T60] worker_thread+0x4f1/0xd60 [ 44.010854][ T60] ? rescuer_thread+0x1340/0x1340 [ 44.010856][ T60] ? __kthread_parkme+0xbd/0x210 [ 44.010858][ T60] ? rescuer_thread+0x1340/0x1340 [ 44.010860][ T60] ? rescuer_thread+0x1340/0x1340 [ 44.010861][ T60] kthread+0x367/0x460 [ 44.010863][ T60] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.010864][ T60] ? kthread_affine_preferred+0x4c0/0x4c0 [ 44.010866][ T60] ret_from_fork+0x474/0x6b0 [ 44.010868][ T60] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 44.010870][ T60] ? __switch_to+0x5a3/0xe00 [ 44.010872][ T60] ? kthread_affine_preferred+0x4c0/0x4c0 [ 44.010874][ T60] ret_from_fork_asm+0x11/0x20 [ 44.010877][ T60] [ 44.074602][ T65] tun4: deleting peer with id 4, reason 2 [ 44.138607][ T10] tun5: deleting peer with id 5, reason 2 [ 44.202591][ T60] tun6: deleting peer with id 6, reason 2