[ 28.515914][ T753] iperf3 (753) used greatest stack depth: 23536 bytes left [ 28.515935][ T753] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.515937][ T753] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 753, name: iperf3 [ 28.515939][ T753] preempt_count: 2, expected: 0 [ 28.515940][ T753] RCU nest depth: 0, expected: 0 [ 28.515941][ T753] locks held by iperf3/753: 5, last CPU#0: [ 28.515943][ T753] #0: ffffffff9b6127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 28.515954][ T753] #1: ffffffff9b779cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.515960][ T753] #2: ffffffff9b779d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.515964][ T753] #3: ffffffff9b699660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.515968][ T753] #4: ffffffff9b699560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.515972][ T753] irq event stamp: 7723474 [ 28.515973][ T753] hardirqs last enabled at (7723473): [] __down_trylock_console_sem+0x86/0xa0 [ 28.515975][ T753] hardirqs last disabled at (7723474): [] console_emit_next_record+0x3d4/0x4c0 [ 28.515977][ T753] softirqs last enabled at (7723134): [] handle_softirqs+0x67c/0x900 [ 28.515979][ T753] softirqs last disabled at (7722431): [] __irq_exit_rcu+0x145/0x1c0 [ 28.515981][ T753] Preemption disabled at: [ 28.515982][ T753] [<0000000000000000>] 0x0 [ 28.515989][ T753] CPU: 0 UID: 0 PID: 753 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.515992][ T753] Tainted: [W]=WARN [ 28.515993][ T753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.515995][ T753] Call Trace: [ 28.515997][ T753] [ 28.515999][ T753] dump_stack_lvl+0x6f/0xa0 [ 28.516005][ T753] __might_resched.cold+0x1fe/0x2c1 [ 28.516009][ T753] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.516013][ T753] ? __kmalloc_noprof+0xdb/0x760 [ 28.516018][ T753] __kmalloc_noprof+0x443/0x760 [ 28.516020][ T753] ? alloc_buf.isra.0+0x4b/0x260 [ 28.516026][ T753] ? do_raw_spin_unlock+0x59/0x250 [ 28.516029][ T753] alloc_buf.isra.0+0x4b/0x260 [ 28.516032][ T753] put_chars+0x1e1/0x2f0 [ 28.516034][ T753] ? prb_final_commit+0x50/0x50 [ 28.516036][ T753] ? __send_to_port+0x420/0x420 [ 28.516039][ T753] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.516044][ T753] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.516046][ T753] ? validate_chain+0x38b/0xc20 [ 28.516049][ T753] hvc_console_print+0x292/0x780 [ 28.516053][ T753] ? mark_usage+0x61/0x170 [ 28.516055][ T753] ? __lock_acquire+0x518/0xc20 [ 28.516056][ T753] ? __lock_acquire+0x518/0xc20 [ 28.516060][ T753] ? hvc_write+0x3a0/0x3a0 [ 28.516062][ T753] ? console_emit_next_record+0x1df/0x4c0 [ 28.516065][ T753] ? rcu_is_watching+0x16/0xd0 [ 28.516067][ T753] ? lock_acquire+0x13c/0x160 [ 28.516071][ T753] console_emit_next_record+0x22f/0x4c0 [ 28.516075][ T753] ? devkmsg_read+0x4b0/0x4b0 [ 28.516077][ T753] ? console_flush_one_record+0x106/0x710 [ 28.516080][ T753] ? rcu_is_watching+0x16/0xd0 [ 28.516082][ T753] ? lock_acquire+0x13c/0x160 [ 28.516086][ T753] console_flush_one_record+0x46f/0x710 [ 28.516090][ T753] ? console_emit_next_record+0x4c0/0x4c0 [ 28.516091][ T753] ? __lock_acquire+0x518/0xc20 [ 28.516096][ T753] console_unlock+0xee/0x1f0 [ 28.516099][ T753] ? console_flush_one_record+0x710/0x710 [ 28.516101][ T753] ? rcu_is_watching+0x16/0xd0 [ 28.516103][ T753] ? lock_acquire+0x60/0x160 [ 28.516106][ T753] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.516108][ T753] ? vprintk_emit+0x320/0x3e0 [ 28.516111][ T753] vprintk_emit+0x37c/0x3e0 [ 28.516115][ T753] ? wake_up_klogd_work_func+0x90/0x90 [ 28.516118][ T753] ? __lock_acquire+0x518/0xc20 [ 28.516122][ T753] _printk+0xc7/0x100 [ 28.516126][ T753] ? snapshot_read.cold+0x21/0x21 [ 28.516128][ T753] ? do_raw_spin_lock+0x131/0x280 [ 28.516131][ T753] ? __rwlock_init+0x150/0x150 [ 28.516134][ T753] ? do_raw_spin_lock+0x131/0x280 [ 28.516137][ T753] do_exit.cold+0x82/0x9c [ 28.516141][ T753] ? exit_notify+0x890/0x890 [ 28.516145][ T753] __x64_sys_exit+0x42/0x50 [ 28.516147][ T753] x64_sys_call+0x156c/0x1570 [ 28.516150][ T753] do_syscall_64+0xff/0x530 [ 28.516153][ T753] ? exc_page_fault+0xee/0x100 [ 28.516156][ T753] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.516158][ T753] RIP: 0033:0x7fbc98e8ec49 [ 28.516160][ T753] Code: Unable to access opcode bytes at 0x7fbc98e8ec1f. [ 28.516161][ T753] RSP: 002b:00007fbc9864de60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.516164][ T753] RAX: ffffffffffffffda RBX: 00007fbc9864e6c0 RCX: 00007fbc98e8ec49 [ 28.516165][ T753] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 28.516166][ T753] RBP: 00007fbc9864df70 R08: 0000000000000001 R09: 00007fbc9864e6c0 [ 28.516167][ T753] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fbc97e4e000 [ 28.516168][ T753] R13: 00007fff23b10f50 R14: 0000000000000002 R15: 00007fff23b11057 [ 28.516174][ T753] [ 30.227668][ T847] tun0: deleting peer with id 1, reason 1 [ 30.227710][ T847] [ 30.227711][ T847] ===================================================== [ 30.227713][ T847] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 30.227715][ T847] 7.2.0-virtme #1 Tainted: G W [ 30.227717][ T847] ----------------------------------------------------- [ 30.227717][ T847] ovpn-cli/847 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 30.227719][ T847] ffffffff9b699660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.227731][ T847] [ 30.227731][ T847] and this task is already holding: [ 30.227732][ T847] ff1100000ca41e68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 30.227739][ T847] which would create a new lock dependency: [ 30.227740][ T847] (&ovpn->lock){+.-.}-{3:3} -> (console_owner){....}-{0:0} [ 30.227742][ T847] [ 30.227742][ T847] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 30.227743][ T847] (&ovpn->lock){+.-.}-{3:3} [ 30.227744][ T847] [ 30.227744][ T847] ... which became SOFTIRQ-irq-safe at: [ 30.227745][ T847] __lock_acquire+0x388/0xc20 [ 30.227748][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227750][ T847] _raw_spin_lock_bh+0x38/0x50 [ 30.227753][ T847] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 30.227759][ T847] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 30.227762][ T847] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 30.227765][ T847] udp_queue_rcv_one_skb+0x645/0xb00 [ 30.227768][ T847] udp_unicast_rcv_skb+0x366/0x450 [ 30.227769][ T847] udp_rcv+0xaba/0x1d90 [ 30.227771][ T847] ip_protocol_deliver_rcu+0x82/0x350 [ 30.227773][ T847] ip_local_deliver_finish+0x36f/0x610 [ 30.227774][ T847] ip_local_deliver+0x184/0x4c0 [ 30.227776][ T847] ip_rcv+0xdc/0x3d0 [ 30.227777][ T847] __netif_receive_skb_one_core+0xfc/0x180 [ 30.227781][ T847] process_backlog+0x431/0x14c0 [ 30.227782][ T847] __napi_poll+0xa7/0x3b0 [ 30.227784][ T847] net_rx_action+0x513/0xf50 [ 30.227786][ T847] handle_softirqs+0x1d3/0x900 [ 30.227788][ T847] do_softirq+0xac/0xe0 [ 30.227789][ T847] __local_bh_enable_ip+0x118/0x150 [ 30.227791][ T847] __dev_queue_xmit+0x979/0x1b80 [ 30.227793][ T847] ip_finish_output2+0x5b9/0x1bc0 [ 30.227794][ T847] ip_output+0x1ca/0x660 [ 30.227796][ T847] ip_push_pending_frames+0xf6/0x250 [ 30.227797][ T847] raw_sendmsg+0x1169/0x1cc0 [ 30.227799][ T847] __sys_sendto+0x2aa/0x400 [ 30.227802][ T847] __x64_sys_sendto+0xe4/0x1f0 [ 30.227803][ T847] do_syscall_64+0xff/0x530 [ 30.227806][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.227808][ T847] [ 30.227808][ T847] to a SOFTIRQ-irq-unsafe lock: [ 30.227809][ T847] (fs_reclaim){+.+.}-{0:0} [ 30.227810][ T847] [ 30.227810][ T847] ... which became SOFTIRQ-irq-unsafe at: [ 30.227810][ T847] ... [ 30.227811][ T847] __lock_acquire+0x388/0xc20 [ 30.227813][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227814][ T847] fs_reclaim_acquire+0xd5/0x120 [ 30.227817][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 30.227819][ T847] kthread_create_worker_on_node+0xea/0x210 [ 30.227822][ T847] workqueue_init+0x2a/0x680 [ 30.227829][ T847] kernel_init_freeable+0x2fe/0x630 [ 30.227832][ T847] kernel_init+0x21/0x150 [ 30.227833][ T847] ret_from_fork+0x474/0x6b0 [ 30.227836][ T847] ret_from_fork_asm+0x11/0x20 [ 30.227839][ T847] [ 30.227839][ T847] other info that might help us debug this: [ 30.227839][ T847] [ 30.227839][ T847] Chain exists of: [ 30.227839][ T847] &ovpn->lock --> console_owner --> fs_reclaim [ 30.227839][ T847] [ 30.227841][ T847] Possible interrupt unsafe locking scenario: [ 30.227841][ T847] [ 30.227842][ T847] CPU0 CPU1 [ 30.227842][ T847] ---- ---- [ 30.227843][ T847] lock(fs_reclaim); [ 30.227844][ T847] local_irq_disable(); [ 30.227844][ T847] lock(&ovpn->lock); [ 30.227845][ T847] lock(console_owner); [ 30.227846][ T847] [ 30.227846][ T847] lock(&ovpn->lock); [ 30.227847][ T847] [ 30.227847][ T847] *** DEADLOCK *** [ 30.227847][ T847] [ 30.227847][ T847] locks held by ovpn-cli/847: 4, last CPU#3: [ 30.227849][ T847] #0: ffffffff9bf44ba8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 30.227854][ T847] #1: ff1100000ca41e68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 30.227858][ T847] #2: ffffffff9b779cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.227861][ T847] #3: ffffffff9b779d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.227865][ T847] [ 30.227865][ T847] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 30.227865][ T847] -> (&ovpn->lock){+.-.}-{3:3} { [ 30.227867][ T847] HARDIRQ-ON-W at: [ 30.227869][ T847] __lock_acquire+0x388/0xc20 [ 30.227870][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227872][ T847] _raw_spin_lock_bh+0x38/0x50 [ 30.227873][ T847] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 30.227875][ T847] ovpn_peer_add+0x152/0x330 [ovpn] [ 30.227877][ T847] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 30.227880][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 30.227881][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 30.227883][ T847] genl_rcv_msg+0xbb/0x160 [ 30.227885][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 30.227886][ T847] genl_rcv+0x28/0x40 [ 30.227888][ T847] netlink_unicast+0x486/0x750 [ 30.227889][ T847] netlink_sendmsg+0x735/0xc60 [ 30.227891][ T847] ____sys_sendmsg+0x415/0x880 [ 30.227892][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 30.227894][ T847] __sys_sendmsg+0x12c/0x1d0 [ 30.227895][ T847] do_syscall_64+0xff/0x530 [ 30.227897][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.227898][ T847] IN-SOFTIRQ-W at: [ 30.227899][ T847] __lock_acquire+0x388/0xc20 [ 30.227900][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227901][ T847] _raw_spin_lock_bh+0x38/0x50 [ 30.227902][ T847] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 30.227905][ T847] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 30.227907][ T847] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 30.227909][ T847] udp_queue_rcv_one_skb+0x645/0xb00 [ 30.227910][ T847] udp_unicast_rcv_skb+0x366/0x450 [ 30.227912][ T847] udp_rcv+0xaba/0x1d90 [ 30.227913][ T847] ip_protocol_deliver_rcu+0x82/0x350 [ 30.227914][ T847] ip_local_deliver_finish+0x36f/0x610 [ 30.227915][ T847] ip_local_deliver+0x184/0x4c0 [ 30.227917][ T847] ip_rcv+0xdc/0x3d0 [ 30.227918][ T847] __netif_receive_skb_one_core+0xfc/0x180 [ 30.227920][ T847] process_backlog+0x431/0x14c0 [ 30.227921][ T847] __napi_poll+0xa7/0x3b0 [ 30.227923][ T847] net_rx_action+0x513/0xf50 [ 30.227924][ T847] handle_softirqs+0x1d3/0x900 [ 30.227925][ T847] do_softirq+0xac/0xe0 [ 30.227926][ T847] __local_bh_enable_ip+0x118/0x150 [ 30.227928][ T847] __dev_queue_xmit+0x979/0x1b80 [ 30.227929][ T847] ip_finish_output2+0x5b9/0x1bc0 [ 30.227931][ T847] ip_output+0x1ca/0x660 [ 30.227932][ T847] ip_push_pending_frames+0xf6/0x250 [ 30.227933][ T847] raw_sendmsg+0x1169/0x1cc0 [ 30.227934][ T847] __sys_sendto+0x2aa/0x400 [ 30.227936][ T847] __x64_sys_sendto+0xe4/0x1f0 [ 30.227937][ T847] do_syscall_64+0xff/0x530 [ 30.227939][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.227940][ T847] INITIAL USE at: [ 30.227940][ T847] __lock_acquire+0x388/0xc20 [ 30.227942][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227943][ T847] _raw_spin_lock_bh+0x38/0x50 [ 30.227944][ T847] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 30.227946][ T847] ovpn_peer_add+0x152/0x330 [ovpn] [ 30.227948][ T847] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 30.227950][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 30.227952][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 30.227953][ T847] genl_rcv_msg+0xbb/0x160 [ 30.227955][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 30.227956][ T847] genl_rcv+0x28/0x40 [ 30.227958][ T847] netlink_unicast+0x486/0x750 [ 30.227959][ T847] netlink_sendmsg+0x735/0xc60 [ 30.227961][ T847] ____sys_sendmsg+0x415/0x880 [ 30.227962][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 30.227963][ T847] __sys_sendmsg+0x12c/0x1d0 [ 30.227965][ T847] do_syscall_64+0xff/0x530 [ 30.227966][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.227967][ T847] } [ 30.227968][ T847] ... key at: [] __key.84+0x0/0x40 [ovpn] [ 30.227971][ T847] [ 30.227971][ T847] the dependencies between the lock to be acquired [ 30.227971][ T847] and SOFTIRQ-irq-unsafe lock: [ 30.227976][ T847] -> (fs_reclaim){+.+.}-{0:0} { [ 30.227978][ T847] HARDIRQ-ON-W at: [ 30.227979][ T847] __lock_acquire+0x388/0xc20 [ 30.227980][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227981][ T847] fs_reclaim_acquire+0xd5/0x120 [ 30.227982][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 30.227984][ T847] kthread_create_worker_on_node+0xea/0x210 [ 30.227985][ T847] workqueue_init+0x2a/0x680 [ 30.227986][ T847] kernel_init_freeable+0x2fe/0x630 [ 30.227988][ T847] kernel_init+0x21/0x150 [ 30.227989][ T847] ret_from_fork+0x474/0x6b0 [ 30.227990][ T847] ret_from_fork_asm+0x11/0x20 [ 30.227991][ T847] SOFTIRQ-ON-W at: [ 30.227992][ T847] __lock_acquire+0x388/0xc20 [ 30.227993][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.227994][ T847] fs_reclaim_acquire+0xd5/0x120 [ 30.227995][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 30.227997][ T847] kthread_create_worker_on_node+0xea/0x210 [ 30.227998][ T847] workqueue_init+0x2a/0x680 [ 30.227999][ T847] kernel_init_freeable+0x2fe/0x630 [ 30.228001][ T847] kernel_init+0x21/0x150 [ 30.228002][ T847] ret_from_fork+0x474/0x6b0 [ 30.228003][ T847] ret_from_fork_asm+0x11/0x20 [ 30.228004][ T847] INITIAL USE at: [ 30.228005][ T847] __lock_acquire+0x388/0xc20 [ 30.228006][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.228007][ T847] fs_reclaim_acquire+0xd5/0x120 [ 30.228008][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 30.228010][ T847] kthread_create_worker_on_node+0xea/0x210 [ 30.228011][ T847] workqueue_init+0x2a/0x680 [ 30.228012][ T847] kernel_init_freeable+0x2fe/0x630 [ 30.228013][ T847] kernel_init+0x21/0x150 [ 30.228015][ T847] ret_from_fork+0x474/0x6b0 [ 30.228016][ T847] ret_from_fork_asm+0x11/0x20 [ 30.228017][ T847] } [ 30.228017][ T847] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 30.228021][ T847] ... acquired at: [ 30.228021][ T847] __lock_acquire+0x518/0xc20 [ 30.228023][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.228024][ T847] fs_reclaim_acquire+0xd5/0x120 [ 30.228025][ T847] __kmalloc_noprof+0xd3/0x760 [ 30.228026][ T847] alloc_buf.isra.0+0x4b/0x260 [ 30.228029][ T847] put_chars+0x1e1/0x2f0 [ 30.228031][ T847] hvc_console_print+0x292/0x780 [ 30.228033][ T847] console_emit_next_record+0x22f/0x4c0 [ 30.228035][ T847] console_flush_one_record+0x46f/0x710 [ 30.228036][ T847] console_unlock+0xee/0x1f0 [ 30.228038][ T847] vprintk_emit+0x37c/0x3e0 [ 30.228039][ T847] dev_vprintk_emit+0x27f/0x2c0 [ 30.228043][ T847] dev_printk_emit+0xb9/0xee [ 30.228044][ T847] _dev_info+0xe2/0x116 [ 30.228046][ T847] __devm_rtc_register_device.cold+0x338/0x3a8 [ 30.228048][ T847] cmos_do_probe+0x73b/0x98a [ 30.228049][ T847] platform_probe+0xfe/0x1f0 [ 30.228052][ T847] call_driver_probe+0x61/0x1c0 [ 30.228054][ T847] really_probe+0x199/0x760 [ 30.228056][ T847] __driver_probe_device+0x24f/0x440 [ 30.228057][ T847] driver_probe_device+0x4a/0xf0 [ 30.228059][ T847] __driver_attach+0x1b8/0x540 [ 30.228060][ T847] bus_for_each_dev+0x130/0x1e0 [ 30.228062][ T847] bus_add_driver+0x2c8/0x530 [ 30.228063][ T847] driver_register+0x1a3/0x390 [ 30.228065][ T847] __platform_driver_probe+0x13f/0x270 [ 30.228066][ T847] cmos_init+0x31/0x40 [ 30.228069][ T847] do_one_initcall+0x124/0x4f0 [ 30.228070][ T847] kernel_init_freeable+0x596/0x630 [ 30.228072][ T847] kernel_init+0x21/0x150 [ 30.228073][ T847] ret_from_fork+0x474/0x6b0 [ 30.228074][ T847] ret_from_fork_asm+0x11/0x20 [ 30.228076][ T847] [ 30.228076][ T847] -> (console_owner){....}-{0:0} { [ 30.228077][ T847] INITIAL USE at: [ 30.228078][ T847] } [ 30.228079][ T847] ... key at: [] console_owner_dep_map+0x0/0x60 [ 30.228082][ T847] ... acquired at: [ 30.228083][ T847] check_prev_add+0xef/0xe90 [ 30.228084][ T847] validate_chain+0x6b8/0xc20 [ 30.228085][ T847] __lock_acquire+0x518/0xc20 [ 30.228087][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.228088][ T847] console_lock_spinning_enable+0x5c/0x60 [ 30.228090][ T847] console_emit_next_record+0x1d1/0x4c0 [ 30.228091][ T847] console_flush_one_record+0x46f/0x710 [ 30.228093][ T847] console_unlock+0xee/0x1f0 [ 30.228094][ T847] vprintk_emit+0x37c/0x3e0 [ 30.228096][ T847] _printk+0xc7/0x100 [ 30.228098][ T847] netdev_info+0xe2/0x116 [ 30.228100][ T847] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 30.228103][ T847] ovpn_peer_remove+0x394/0x640 [ovpn] [ 30.228106][ T847] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 30.228108][ T847] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 30.228110][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 30.228112][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 30.228113][ T847] genl_rcv_msg+0xbb/0x160 [ 30.228115][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 30.228116][ T847] genl_rcv+0x28/0x40 [ 30.228118][ T847] netlink_unicast+0x486/0x750 [ 30.228119][ T847] netlink_sendmsg+0x735/0xc60 [ 30.228120][ T847] ____sys_sendmsg+0x415/0x880 [ 30.228122][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 30.228123][ T847] __sys_sendmsg+0x12c/0x1d0 [ 30.228125][ T847] do_syscall_64+0xff/0x530 [ 30.228126][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.228127][ T847] [ 30.228127][ T847] [ 30.228127][ T847] stack backtrace: [ 30.228130][ T847] CPU: 3 UID: 0 PID: 847 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.228133][ T847] Tainted: [W]=WARN [ 30.228134][ T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.228136][ T847] Call Trace: [ 30.228137][ T847] [ 30.228138][ T847] dump_stack_lvl+0x6f/0xa0 [ 30.228142][ T847] print_bad_irq_dependency+0x3e4/0x410 [ 30.228144][ T847] check_irq_usage+0x403/0x570 [ 30.228146][ T847] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.228150][ T847] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.228153][ T847] ? check_path.constprop.0+0x24/0x50 [ 30.228155][ T847] ? check_prev_add+0xef/0xe90 [ 30.228157][ T847] check_prev_add+0xef/0xe90 [ 30.228159][ T847] validate_chain+0x6b8/0xc20 [ 30.228161][ T847] __lock_acquire+0x518/0xc20 [ 30.228163][ T847] lock_acquire.part.0+0xd4/0x280 [ 30.228164][ T847] ? console_lock_spinning_enable+0x40/0x60 [ 30.228166][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228168][ T847] ? lock_acquire+0x13c/0x160 [ 30.228170][ T847] console_lock_spinning_enable+0x5c/0x60 [ 30.228172][ T847] ? console_lock_spinning_enable+0x40/0x60 [ 30.228173][ T847] console_emit_next_record+0x1d1/0x4c0 [ 30.228175][ T847] ? devkmsg_read+0x4b0/0x4b0 [ 30.228177][ T847] ? console_flush_one_record+0x106/0x710 [ 30.228179][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228181][ T847] ? lock_acquire+0x13c/0x160 [ 30.228182][ T847] console_flush_one_record+0x46f/0x710 [ 30.228185][ T847] ? console_emit_next_record+0x4c0/0x4c0 [ 30.228186][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228188][ T847] console_unlock+0xee/0x1f0 [ 30.228190][ T847] ? console_flush_one_record+0x710/0x710 [ 30.228192][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228193][ T847] ? lock_acquire+0x60/0x160 [ 30.228195][ T847] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.228197][ T847] ? vprintk_emit+0x320/0x3e0 [ 30.228199][ T847] vprintk_emit+0x37c/0x3e0 [ 30.228201][ T847] ? wake_up_klogd_work_func+0x90/0x90 [ 30.228202][ T847] ? kernel_text_address+0x149/0x170 [ 30.228204][ T847] ? __kernel_text_address+0x12/0x30 [ 30.228205][ T847] ? write_profile+0xf0/0xf0 [ 30.228207][ T847] ? unwind_get_return_address+0x67/0xd0 [ 30.228210][ T847] _printk+0xc7/0x100 [ 30.228212][ T847] ? snapshot_read.cold+0x21/0x21 [ 30.228214][ T847] ? mark_usage+0x61/0x170 [ 30.228215][ T847] ? netdev_name+0x43/0x60 [ 30.228217][ T847] ? __netdev_printk+0x17f/0x1d0 [ 30.228218][ T847] netdev_info+0xe2/0x116 [ 30.228220][ T847] ? netdev_notice+0x120/0x120 [ 30.228221][ T847] ? find_held_lock+0x2b/0x80 [ 30.228222][ T847] ? mark_usage+0x61/0x170 [ 30.228224][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228226][ T847] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 30.228229][ T847] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 30.228232][ T847] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 30.228235][ T847] ovpn_peer_remove+0x394/0x640 [ovpn] [ 30.228237][ T847] ? do_raw_spin_lock+0x131/0x280 [ 30.228239][ T847] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 30.228242][ T847] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 30.228244][ T847] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 30.228247][ T847] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 30.228250][ T847] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 30.228251][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.228254][ T847] ? ref_tracker_alloc+0x28d/0x430 [ 30.228259][ T847] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 30.228261][ T847] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 30.228264][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 30.228267][ T847] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 30.228268][ T847] ? __lock_release.isra.0+0x69/0x1a0 [ 30.228271][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228273][ T847] ? cap_capable+0x1d7/0x3d0 [ 30.228276][ T847] ? write_profile+0xf0/0xf0 [ 30.228277][ T847] ? unwind_get_return_address+0x67/0xd0 [ 30.228279][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 30.228281][ T847] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 30.228283][ T847] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.228285][ T847] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 30.228287][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.228289][ T847] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 30.228291][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228294][ T847] genl_rcv_msg+0xbb/0x160 [ 30.228296][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 30.228297][ T847] ? genl_family_rcv_msg+0x640/0x640 [ 30.228299][ T847] ? netlink_ack+0xcf0/0xcf0 [ 30.228302][ T847] ? netlink_deliver_tap+0xc5/0x330 [ 30.228304][ T847] ? netlink_deliver_tap+0x13c/0x330 [ 30.228306][ T847] genl_rcv+0x28/0x40 [ 30.228308][ T847] netlink_unicast+0x486/0x750 [ 30.228310][ T847] ? netlink_attachskb+0x810/0x810 [ 30.228312][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228314][ T847] netlink_sendmsg+0x735/0xc60 [ 30.228316][ T847] ? netlink_unicast+0x750/0x750 [ 30.228318][ T847] ? __might_fault+0x97/0x140 [ 30.228321][ T847] ____sys_sendmsg+0x415/0x880 [ 30.228323][ T847] ? copy_msghdr_from_user+0x279/0x420 [ 30.228325][ T847] ? get_timestamp.constprop.0+0x390/0x390 [ 30.228326][ T847] ? move_addr_to_kernel+0x40/0x40 [ 30.228329][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 30.228331][ T847] ? copy_msghdr_from_user+0x420/0x420 [ 30.228332][ T847] ? kfree+0x22/0x590 [ 30.228337][ T847] __sys_sendmsg+0x12c/0x1d0 [ 30.228339][ T847] ? __sys_sendmsg_sock+0x20/0x20 [ 30.228342][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228343][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228345][ T847] do_syscall_64+0xff/0x530 [ 30.228347][ T847] ? exc_page_fault+0xee/0x100 [ 30.228349][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.228350][ T847] RIP: 0033:0x7f548a93b54e [ 30.228353][ T847] 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 [ 30.228354][ T847] RSP: 002b:00007fff9c5fb460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.228357][ T847] RAX: ffffffffffffffda RBX: 0000000039832130 RCX: 00007f548a93b54e [ 30.228358][ T847] RDX: 0000000000000000 RSI: 00007fff9c5fb500 RDI: 0000000000000005 [ 30.228359][ T847] RBP: 00007fff9c5fb470 R08: 0000000000000000 R09: 0000000000000000 [ 30.228360][ T847] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000039832200 [ 30.228361][ T847] R13: 00007fff9c5fb500 R14: 0000000039833260 R15: 000000000040bda8 [ 30.228363][ T847] [ 30.228367][ T847] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.228368][ T847] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 847, name: ovpn-cli [ 30.228369][ T847] preempt_count: 202, expected: 0 [ 30.228370][ T847] RCU nest depth: 0, expected: 0 [ 30.228371][ T847] INFO: lockdep is turned off. [ 30.228371][ T847] irq event stamp: 33385 [ 30.228372][ T847] hardirqs last enabled at (33384): [] __down_trylock_console_sem+0x86/0xa0 [ 30.228374][ T847] hardirqs last disabled at (33385): [] console_emit_next_record+0x3d4/0x4c0 [ 30.228376][ T847] softirqs last enabled at (33352): [] __alloc_skb+0x4c2/0x5f0 [ 30.228378][ T847] softirqs last disabled at (33380): [] ovpn_peer_del+0xa0/0x590 [ovpn] [ 30.228381][ T847] Preemption disabled at: [ 30.228382][ T847] [<0000000000000000>] 0x0 [ 30.228384][ T847] CPU: 3 UID: 0 PID: 847 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.228386][ T847] Tainted: [W]=WARN [ 30.228386][ T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.228387][ T847] Call Trace: [ 30.228387][ T847] [ 30.228388][ T847] dump_stack_lvl+0x6f/0xa0 [ 30.228390][ T847] __might_resched.cold+0x1fe/0x2c1 [ 30.228392][ T847] ? check_irq_usage+0x403/0x570 [ 30.228394][ T847] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.228397][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228399][ T847] __kmalloc_noprof+0x443/0x760 [ 30.228401][ T847] ? __rwlock_init+0x150/0x150 [ 30.228402][ T847] ? alloc_buf.isra.0+0x4b/0x260 [ 30.228404][ T847] ? do_raw_spin_unlock+0x59/0x250 [ 30.228405][ T847] alloc_buf.isra.0+0x4b/0x260 [ 30.228407][ T847] put_chars+0x1e1/0x2f0 [ 30.228409][ T847] ? __send_to_port+0x420/0x420 [ 30.228411][ T847] ? check_prev_add+0xef/0xe90 [ 30.228413][ T847] ? validate_chain+0x6b8/0xc20 [ 30.228414][ T847] hvc_console_print+0x292/0x780 [ 30.228416][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228418][ T847] ? hvc_write+0x3a0/0x3a0 [ 30.228420][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228422][ T847] ? lock_acquire+0x13c/0x160 [ 30.228423][ T847] console_emit_next_record+0x22f/0x4c0 [ 30.228425][ T847] ? devkmsg_read+0x4b0/0x4b0 [ 30.228427][ T847] ? console_flush_one_record+0x106/0x710 [ 30.228429][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228431][ T847] ? lock_acquire+0x13c/0x160 [ 30.228432][ T847] console_flush_one_record+0x46f/0x710 [ 30.228435][ T847] ? console_emit_next_record+0x4c0/0x4c0 [ 30.228436][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228438][ T847] console_unlock+0xee/0x1f0 [ 30.228440][ T847] ? console_flush_one_record+0x710/0x710 [ 30.228442][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228443][ T847] ? lock_acquire+0x60/0x160 [ 30.228445][ T847] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.228447][ T847] ? vprintk_emit+0x320/0x3e0 [ 30.228449][ T847] vprintk_emit+0x37c/0x3e0 [ 30.228451][ T847] ? wake_up_klogd_work_func+0x90/0x90 [ 30.228452][ T847] ? kernel_text_address+0x149/0x170 [ 30.228453][ T847] ? __kernel_text_address+0x12/0x30 [ 30.228455][ T847] ? write_profile+0xf0/0xf0 [ 30.228456][ T847] ? unwind_get_return_address+0x67/0xd0 [ 30.228457][ T847] _printk+0xc7/0x100 [ 30.228459][ T847] ? snapshot_read.cold+0x21/0x21 [ 30.228461][ T847] ? mark_usage+0x61/0x170 [ 30.228462][ T847] ? netdev_name+0x43/0x60 [ 30.228463][ T847] ? __netdev_printk+0x17f/0x1d0 [ 30.228465][ T847] netdev_info+0xe2/0x116 [ 30.228466][ T847] ? netdev_notice+0x120/0x120 [ 30.228467][ T847] ? find_held_lock+0x2b/0x80 [ 30.228469][ T847] ? mark_usage+0x61/0x170 [ 30.228470][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228473][ T847] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 30.228475][ T847] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 30.228478][ T847] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 30.228481][ T847] ovpn_peer_remove+0x394/0x640 [ovpn] [ 30.228483][ T847] ? do_raw_spin_lock+0x131/0x280 [ 30.228485][ T847] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 30.228488][ T847] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 30.228490][ T847] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 30.228493][ T847] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 30.228496][ T847] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 30.228497][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.228499][ T847] ? ref_tracker_alloc+0x28d/0x430 [ 30.228502][ T847] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 30.228505][ T847] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 30.228508][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 30.228510][ T847] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 30.228512][ T847] ? __lock_release.isra.0+0x69/0x1a0 [ 30.228514][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228516][ T847] ? cap_capable+0x1d7/0x3d0 [ 30.228518][ T847] ? write_profile+0xf0/0xf0 [ 30.228519][ T847] ? unwind_get_return_address+0x67/0xd0 [ 30.228520][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 30.228523][ T847] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 30.228525][ T847] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.228526][ T847] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 30.228528][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 30.228530][ T847] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 30.228532][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228535][ T847] genl_rcv_msg+0xbb/0x160 [ 30.228537][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 30.228538][ T847] ? genl_family_rcv_msg+0x640/0x640 [ 30.228541][ T847] ? netlink_ack+0xcf0/0xcf0 [ 30.228543][ T847] ? netlink_deliver_tap+0xc5/0x330 [ 30.228545][ T847] ? netlink_deliver_tap+0x13c/0x330 [ 30.228547][ T847] genl_rcv+0x28/0x40 [ 30.228549][ T847] netlink_unicast+0x486/0x750 [ 30.228551][ T847] ? netlink_attachskb+0x810/0x810 [ 30.228552][ T847] ? __lock_acquire+0x518/0xc20 [ 30.228554][ T847] netlink_sendmsg+0x735/0xc60 [ 30.228557][ T847] ? netlink_unicast+0x750/0x750 [ 30.228559][ T847] ? __might_fault+0x97/0x140 [ 30.228561][ T847] ____sys_sendmsg+0x415/0x880 [ 30.228562][ T847] ? copy_msghdr_from_user+0x279/0x420 [ 30.228564][ T847] ? get_timestamp.constprop.0+0x390/0x390 [ 30.228565][ T847] ? move_addr_to_kernel+0x40/0x40 [ 30.228568][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 30.228570][ T847] ? copy_msghdr_from_user+0x420/0x420 [ 30.228571][ T847] ? kfree+0x22/0x590 [ 30.228576][ T847] __sys_sendmsg+0x12c/0x1d0 [ 30.228578][ T847] ? __sys_sendmsg_sock+0x20/0x20 [ 30.228580][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228582][ T847] ? rcu_is_watching+0x16/0xd0 [ 30.228584][ T847] do_syscall_64+0xff/0x530 [ 30.228586][ T847] ? exc_page_fault+0xee/0x100 [ 30.228587][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.228588][ T847] RIP: 0033:0x7f548a93b54e [ 30.228590][ T847] 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 [ 30.228590][ T847] RSP: 002b:00007fff9c5fb460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.228592][ T847] RAX: ffffffffffffffda RBX: 0000000039832130 RCX: 00007f548a93b54e [ 30.228592][ T847] RDX: 0000000000000000 RSI: 00007fff9c5fb500 RDI: 0000000000000005 [ 30.228593][ T847] RBP: 00007fff9c5fb470 R08: 0000000000000000 R09: 0000000000000000 [ 30.228594][ T847] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000039832200 [ 30.228594][ T847] R13: 00007fff9c5fb500 R14: 0000000039833260 R15: 000000000040bda8 [ 30.228597][ T847] [ 30.327106][ T847] ovpn-cli (847) used greatest stack depth: 23432 bytes left [ 30.371156][ T851] tun1: deleting peer with id 10, reason 1 [ 32.896375][ T899] tun0: deleting peer with id 2, reason 1 [ 32.896390][ T899] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.896393][ T899] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 899, name: ovpn-cli [ 32.896394][ T899] preempt_count: 202, expected: 0 [ 32.896395][ T899] RCU nest depth: 0, expected: 0 [ 32.896396][ T899] INFO: lockdep is turned off. [ 32.896397][ T899] irq event stamp: 0 [ 32.896398][ T899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.896402][ T899] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.896408][ T899] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.896410][ T899] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.896411][ T899] Preemption disabled at: [ 32.896412][ T899] [<0000000000000000>] 0x0 [ 32.896417][ T899] CPU: 3 UID: 0 PID: 899 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.896421][ T899] Tainted: [W]=WARN [ 32.896422][ T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.896423][ T899] Call Trace: [ 32.896425][ T899] [ 32.896426][ T899] dump_stack_lvl+0x6f/0xa0 [ 32.896432][ T899] __might_resched.cold+0x1fe/0x2c1 [ 32.896436][ T899] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.896440][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896444][ T899] __kmalloc_noprof+0x443/0x760 [ 32.896447][ T899] ? __rwlock_init+0x150/0x150 [ 32.896450][ T899] ? alloc_buf.isra.0+0x4b/0x260 [ 32.896454][ T899] ? do_raw_spin_unlock+0x59/0x250 [ 32.896456][ T899] alloc_buf.isra.0+0x4b/0x260 [ 32.896458][ T899] put_chars+0x1e1/0x2f0 [ 32.896460][ T899] ? __send_to_port+0x420/0x420 [ 32.896462][ T899] ? printk_get_next_message+0x240/0x650 [ 32.896465][ T899] hvc_console_print+0x292/0x780 [ 32.896469][ T899] ? hvc_write+0x3a0/0x3a0 [ 32.896471][ T899] ? __rwlock_init+0x150/0x150 [ 32.896472][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896474][ T899] ? lock_acquire+0x13c/0x160 [ 32.896476][ T899] console_emit_next_record+0x22f/0x4c0 [ 32.896478][ T899] ? devkmsg_read+0x4b0/0x4b0 [ 32.896480][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896482][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896484][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896485][ T899] ? lock_acquire+0x13c/0x160 [ 32.896487][ T899] ? console_flush_one_record+0x111/0x710 [ 32.896489][ T899] console_flush_one_record+0x46f/0x710 [ 32.896491][ T899] ? console_emit_next_record+0x4c0/0x4c0 [ 32.896493][ T899] console_unlock+0xee/0x1f0 [ 32.896495][ T899] ? lock_acquire+0x13c/0x160 [ 32.896497][ T899] ? console_flush_one_record+0x710/0x710 [ 32.896498][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896500][ T899] ? lock_release+0x184/0x1f0 [ 32.896501][ T899] ? lock_acquire+0x60/0x160 [ 32.896502][ T899] ? __rcu_read_lock+0x30/0x70 [ 32.896504][ T899] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.896506][ T899] ? vprintk_emit+0x320/0x3e0 [ 32.896508][ T899] vprintk_emit+0x37c/0x3e0 [ 32.896510][ T899] ? wake_up_klogd_work_func+0x90/0x90 [ 32.896512][ T899] ? kernel_text_address+0x149/0x170 [ 32.896514][ T899] ? __kernel_text_address+0x12/0x30 [ 32.896516][ T899] ? write_profile+0xf0/0xf0 [ 32.896518][ T899] ? unwind_get_return_address+0x67/0xd0 [ 32.896521][ T899] _printk+0xc7/0x100 [ 32.896524][ T899] ? snapshot_read.cold+0x21/0x21 [ 32.896526][ T899] ? netdev_name+0x43/0x60 [ 32.896528][ T899] ? __netdev_printk+0x17f/0x1d0 [ 32.896530][ T899] netdev_info+0xe2/0x116 [ 32.896532][ T899] ? netdev_notice+0x120/0x120 [ 32.896533][ T899] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 32.896539][ T899] ? __module_address+0x36/0x330 [ 32.896542][ T899] ? lock_acquire+0x13c/0x160 [ 32.896543][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896545][ T899] ? lock_release+0x184/0x1f0 [ 32.896547][ T899] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 32.896550][ T899] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 32.896554][ T899] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 32.896556][ T899] ? lock_acquire+0x13c/0x160 [ 32.896558][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896559][ T899] ? lock_release+0x184/0x1f0 [ 32.896561][ T899] ovpn_peer_remove+0x394/0x640 [ovpn] [ 32.896564][ T899] ? do_raw_spin_lock+0x131/0x280 [ 32.896566][ T899] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 32.896569][ T899] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 32.896572][ T899] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 32.896575][ T899] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 32.896578][ T899] ? trace_hardirqs_on+0x36/0x40 [ 32.896581][ T899] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.896583][ T899] ? ref_tracker_alloc+0x28d/0x430 [ 32.896588][ T899] ? lock_release+0x184/0x1f0 [ 32.896590][ T899] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 32.896593][ T899] genl_family_rcv_msg_doit+0x206/0x300 [ 32.896597][ T899] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 32.896599][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896602][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896603][ T899] ? cap_capable+0x1d7/0x3d0 [ 32.896607][ T899] ? write_profile+0xf0/0xf0 [ 32.896608][ T899] ? unwind_get_return_address+0x67/0xd0 [ 32.896610][ T899] genl_family_rcv_msg+0x3a4/0x640 [ 32.896612][ T899] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 32.896614][ T899] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 32.896616][ T899] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.896618][ T899] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 32.896621][ T899] ? filter_irq_stacks+0xd0/0xd0 [ 32.896622][ T899] ? stack_depot_save_flags+0x1bc/0x790 [ 32.896624][ T899] genl_rcv_msg+0xbb/0x160 [ 32.896626][ T899] netlink_rcv_skb+0x14e/0x3a0 [ 32.896628][ T899] ? genl_family_rcv_msg+0x640/0x640 [ 32.896630][ T899] ? netlink_ack+0xcf0/0xcf0 [ 32.896633][ T899] ? lock_acquire+0x13c/0x160 [ 32.896634][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896636][ T899] ? lock_release+0x184/0x1f0 [ 32.896638][ T899] genl_rcv+0x28/0x40 [ 32.896640][ T899] netlink_unicast+0x486/0x750 [ 32.896642][ T899] ? netlink_attachskb+0x810/0x810 [ 32.896643][ T899] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.896645][ T899] ? trace_hardirqs_on+0x36/0x40 [ 32.896646][ T899] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 32.896649][ T899] netlink_sendmsg+0x735/0xc60 [ 32.896651][ T899] ? netlink_unicast+0x750/0x750 [ 32.896654][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896655][ T899] ? lock_release+0x184/0x1f0 [ 32.896657][ T899] ____sys_sendmsg+0x415/0x880 [ 32.896661][ T899] ? copy_msghdr_from_user+0x279/0x420 [ 32.896662][ T899] ? get_timestamp.constprop.0+0x390/0x390 [ 32.896664][ T899] ? move_addr_to_kernel+0x40/0x40 [ 32.896667][ T899] ___sys_sendmsg+0x14e/0x1d0 [ 32.896669][ T899] ? copy_msghdr_from_user+0x420/0x420 [ 32.896670][ T899] ? kfree+0x22/0x590 [ 32.896675][ T899] __sys_sendmsg+0x12c/0x1d0 [ 32.896677][ T899] ? __sys_sendmsg_sock+0x20/0x20 [ 32.896680][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896681][ T899] ? rcu_is_watching+0x16/0xd0 [ 32.896683][ T899] do_syscall_64+0xff/0x530 [ 32.896686][ T899] ? exc_page_fault+0xee/0x100 [ 32.896688][ T899] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.896690][ T899] RIP: 0033:0x7fed606ba54e [ 32.896692][ T899] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.896694][ T899] RSP: 002b:00007fff58afff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.896697][ T899] RAX: ffffffffffffffda RBX: 0000000021509130 RCX: 00007fed606ba54e [ 32.896699][ T899] RDX: 0000000000000000 RSI: 00007fff58afffa0 RDI: 0000000000000005 [ 32.896700][ T899] RBP: 00007fff58afff10 R08: 0000000000000000 R09: 0000000000000000 [ 32.896700][ T899] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000021509200 [ 32.896701][ T899] R13: 00007fff58afffa0 R14: 000000002150a260 R15: 000000000040bda8 [ 32.896704][ T899] [ 32.976020][ T903] tun2: deleting peer with id 11, reason 1 [ 38.630768][ T50] tun0: deleting peer with id 4, reason 2 [ 38.630783][ T50] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.630786][ T50] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 50, name: kworker/3:1 [ 38.630787][ T50] preempt_count: 202, expected: 0 [ 38.630788][ T50] RCU nest depth: 0, expected: 0 [ 38.630789][ T50] INFO: lockdep is turned off. [ 38.630791][ T50] irq event stamp: 40130 [ 38.630792][ T50] hardirqs last enabled at (40129): [] _raw_spin_unlock_irq+0x28/0x50 [ 38.630799][ T50] hardirqs last disabled at (40130): [] __schedule+0x1246/0x20e0 [ 38.630802][ T50] softirqs last enabled at (38894): [] handle_softirqs+0x67c/0x900 [ 38.630806][ T50] softirqs last disabled at (38887): [] __irq_exit_rcu+0x145/0x1c0 [ 38.630808][ T50] Preemption disabled at: [ 38.630809][ T50] [<0000000000000000>] 0x0 [ 38.630815][ T50] CPU: 3 UID: 0 PID: 50 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.630819][ T50] Tainted: [W]=WARN [ 38.630820][ T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.630822][ T50] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.630829][ T50] Call Trace: [ 38.630831][ T50] [ 38.630832][ T50] dump_stack_lvl+0x6f/0xa0 [ 38.630838][ T50] __might_resched.cold+0x1fe/0x2c1 [ 38.630842][ T50] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.630845][ T50] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 38.630847][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630851][ T50] __kmalloc_noprof+0x443/0x760 [ 38.630854][ T50] ? __rwlock_init+0x150/0x150 [ 38.630857][ T50] ? alloc_buf.isra.0+0x4b/0x260 [ 38.630861][ T50] ? do_raw_spin_unlock+0x59/0x250 [ 38.630862][ T50] alloc_buf.isra.0+0x4b/0x260 [ 38.630864][ T50] put_chars+0x1e1/0x2f0 [ 38.630870][ T50] ? prb_final_commit+0x50/0x50 [ 38.630871][ T50] ? __send_to_port+0x420/0x420 [ 38.630873][ T50] ? printk_get_next_message+0x240/0x650 [ 38.630876][ T50] hvc_console_print+0x292/0x780 [ 38.630879][ T50] ? hvc_write+0x3a0/0x3a0 [ 38.630881][ T50] ? do_raw_spin_lock+0x131/0x280 [ 38.630882][ T50] ? vsnprintf+0x527/0x1700 [ 38.630884][ T50] ? __rwlock_init+0x150/0x150 [ 38.630886][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630888][ T50] ? lock_acquire+0x13c/0x160 [ 38.630890][ T50] console_emit_next_record+0x22f/0x4c0 [ 38.630892][ T50] ? devkmsg_read+0x4b0/0x4b0 [ 38.630894][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630896][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630897][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630899][ T50] ? lock_acquire+0x13c/0x160 [ 38.630901][ T50] ? console_flush_one_record+0x111/0x710 [ 38.630902][ T50] console_flush_one_record+0x46f/0x710 [ 38.630904][ T50] ? console_emit_next_record+0x4c0/0x4c0 [ 38.630907][ T50] console_unlock+0xee/0x1f0 [ 38.630908][ T50] ? lock_acquire+0x13c/0x160 [ 38.630910][ T50] ? console_flush_one_record+0x710/0x710 [ 38.630911][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630913][ T50] ? lock_release+0x184/0x1f0 [ 38.630914][ T50] ? lock_acquire+0x60/0x160 [ 38.630916][ T50] ? __rcu_read_lock+0x30/0x70 [ 38.630918][ T50] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.630919][ T50] ? vprintk_emit+0x320/0x3e0 [ 38.630921][ T50] vprintk_emit+0x37c/0x3e0 [ 38.630924][ T50] ? wake_up_klogd_work_func+0x90/0x90 [ 38.630926][ T50] ? arch_stack_walk+0xd7/0x130 [ 38.630929][ T50] _printk+0xc7/0x100 [ 38.630932][ T50] ? snapshot_read.cold+0x21/0x21 [ 38.630934][ T50] ? stack_trace_save+0x93/0xc0 [ 38.630936][ T50] ? netdev_name+0x43/0x60 [ 38.630939][ T50] ? __netdev_printk+0x17f/0x1d0 [ 38.630941][ T50] netdev_info+0xe2/0x116 [ 38.630942][ T50] ? netdev_notice+0x120/0x120 [ 38.630944][ T50] ? lock_release+0x184/0x1f0 [ 38.630946][ T50] ? debug_object_activate+0x345/0x4a0 [ 38.630950][ T50] ? ret_from_fork+0x474/0x6b0 [ 38.630951][ T50] ? ret_from_fork_asm+0x11/0x20 [ 38.630953][ T50] ? debug_object_free+0x530/0x530 [ 38.630955][ T50] ? do_raw_spin_lock+0x131/0x280 [ 38.630957][ T50] ? trace_irq_enable.constprop.0+0x30/0x160 [ 38.630960][ T50] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 38.630964][ T50] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 38.630966][ T50] ? do_raw_spin_unlock+0x59/0x250 [ 38.630968][ T50] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 38.630969][ T50] ? __mod_timer+0x3ad/0xc60 [ 38.630972][ T50] ovpn_peer_remove+0x394/0x640 [ovpn] [ 38.630975][ T50] ? do_raw_spin_lock+0x131/0x280 [ 38.630977][ T50] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 38.630979][ T50] ? __rwlock_init+0x150/0x150 [ 38.630981][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.630983][ T50] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.630984][ T50] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 38.630985][ T50] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 38.630988][ T50] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 38.630991][ T50] ? __rwlock_init+0x150/0x150 [ 38.630993][ T50] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 38.630996][ T50] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 38.630999][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.631000][ T50] ? lock_acquire+0x13c/0x160 [ 38.631002][ T50] ? rcu_is_watching+0x16/0xd0 [ 38.631004][ T50] process_one_work+0xe3e/0x1560 [ 38.631008][ T50] ? __queue_delayed_work+0x470/0x470 [ 38.631009][ T50] ? find_held_lock+0x2b/0x80 [ 38.631011][ T50] ? __rwlock_init+0x150/0x150 [ 38.631013][ T50] worker_thread+0x4f1/0xd60 [ 38.631016][ T50] ? rescuer_thread+0x1340/0x1340 [ 38.631017][ T50] ? __kthread_parkme+0xbd/0x210 [ 38.631020][ T50] ? rescuer_thread+0x1340/0x1340 [ 38.631021][ T50] ? rescuer_thread+0x1340/0x1340 [ 38.631023][ T50] kthread+0x367/0x460 [ 38.631025][ T50] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.631026][ T50] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.631027][ T50] ret_from_fork+0x474/0x6b0 [ 38.631029][ T50] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 38.631031][ T50] ? __switch_to+0x5a3/0xe00 [ 38.631033][ T50] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.631035][ T50] ret_from_fork_asm+0x11/0x20 [ 38.631037][ T50] [ 38.648826][ T50] tun0: deleting peer with id 3, reason 2 [ 38.648993][ T50] tun0: deleting peer with id 5, reason 2 [ 38.649188][ T50] tun0: deleting peer with id 6, reason 2 [ 43.749808][ T10] tun4: deleting peer with id 13, reason 2 [ 43.749827][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 43.749830][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 43.749831][ T10] preempt_count: 202, expected: 0 [ 43.749832][ T10] RCU nest depth: 0, expected: 0 [ 43.749833][ T10] INFO: lockdep is turned off. [ 43.749834][ T10] irq event stamp: 25598 [ 43.749835][ T10] hardirqs last enabled at (25597): [] _raw_spin_unlock_irq+0x28/0x50 [ 43.749843][ T10] hardirqs last disabled at (25598): [] __schedule+0x1246/0x20e0 [ 43.749846][ T10] softirqs last enabled at (23354): [] handle_softirqs+0x67c/0x900 [ 43.749850][ T10] softirqs last disabled at (23347): [] __irq_exit_rcu+0x145/0x1c0 [ 43.749852][ T10] Preemption disabled at: [ 43.749853][ T10] [<0000000000000000>] 0x0 [ 43.749859][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 43.749863][ T10] Tainted: [W]=WARN [ 43.749864][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.749866][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.749874][ T10] Call Trace: [ 43.749875][ T10] [ 43.749877][ T10] dump_stack_lvl+0x6f/0xa0 [ 43.749882][ T10] __might_resched.cold+0x1fe/0x2c1 [ 43.749886][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 43.749889][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 43.749898][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749901][ T10] __kmalloc_noprof+0x443/0x760 [ 43.749905][ T10] ? __rwlock_init+0x150/0x150 [ 43.749908][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 43.749911][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 43.749913][ T10] alloc_buf.isra.0+0x4b/0x260 [ 43.749915][ T10] put_chars+0x1e1/0x2f0 [ 43.749917][ T10] ? prb_final_commit+0x50/0x50 [ 43.749918][ T10] ? __send_to_port+0x420/0x420 [ 43.749920][ T10] ? printk_get_next_message+0x240/0x650 [ 43.749923][ T10] hvc_console_print+0x292/0x780 [ 43.749927][ T10] ? hvc_write+0x3a0/0x3a0 [ 43.749928][ T10] ? do_raw_spin_lock+0x131/0x280 [ 43.749930][ T10] ? vsnprintf+0x527/0x1700 [ 43.749932][ T10] ? __rwlock_init+0x150/0x150 [ 43.749933][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749935][ T10] ? lock_acquire+0x13c/0x160 [ 43.749937][ T10] console_emit_next_record+0x22f/0x4c0 [ 43.749940][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 43.749942][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749943][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749945][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749946][ T10] ? lock_acquire+0x13c/0x160 [ 43.749948][ T10] ? console_flush_one_record+0x111/0x710 [ 43.749950][ T10] console_flush_one_record+0x46f/0x710 [ 43.749952][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 43.749954][ T10] console_unlock+0xee/0x1f0 [ 43.749956][ T10] ? lock_acquire+0x13c/0x160 [ 43.749958][ T10] ? console_flush_one_record+0x710/0x710 [ 43.749959][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749961][ T10] ? lock_release+0x184/0x1f0 [ 43.749963][ T10] ? lock_acquire+0x60/0x160 [ 43.749964][ T10] ? __rcu_read_lock+0x30/0x70 [ 43.749966][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 43.749968][ T10] ? vprintk_emit+0x320/0x3e0 [ 43.749970][ T10] vprintk_emit+0x37c/0x3e0 [ 43.749972][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 43.749974][ T10] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 43.749975][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749977][ T10] ? trace_sched_wakeup+0x9b/0x160 [ 43.749979][ T10] _printk+0xc7/0x100 [ 43.749982][ T10] ? snapshot_read.cold+0x21/0x21 [ 43.749984][ T10] ? try_to_wake_up+0x153/0x1130 [ 43.749986][ T10] ? select_fallback_rq+0x510/0x510 [ 43.749987][ T10] ? netdev_name+0x43/0x60 [ 43.749990][ T10] ? __netdev_printk+0x17f/0x1d0 [ 43.749992][ T10] netdev_info+0xe2/0x116 [ 43.749993][ T10] ? netdev_notice+0x120/0x120 [ 43.749995][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.749997][ T10] ? __queue_work+0x3ab/0xd30 [ 43.750000][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 43.750003][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 43.750006][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 43.750009][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.750010][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 43.750012][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 43.750016][ T10] ? do_raw_spin_lock+0x131/0x280 [ 43.750017][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 43.750020][ T10] ? __rwlock_init+0x150/0x150 [ 43.750022][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.750023][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 43.750024][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 43.750026][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 43.750029][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 43.750031][ T10] ? __rwlock_init+0x150/0x150 [ 43.750033][ T10] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 43.750037][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 43.750039][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.750041][ T10] ? lock_acquire+0x13c/0x160 [ 43.750042][ T10] ? rcu_is_watching+0x16/0xd0 [ 43.750044][ T10] ? process_one_work+0xdfc/0x1560 [ 43.750046][ T10] process_one_work+0xe3e/0x1560 [ 43.750048][ T10] ? __queue_delayed_work+0x470/0x470 [ 43.750050][ T10] ? find_held_lock+0x2b/0x80 [ 43.750052][ T10] ? __rwlock_init+0x150/0x150 [ 43.750054][ T10] worker_thread+0x4f1/0xd60 [ 43.750057][ T10] ? rescuer_thread+0x1340/0x1340 [ 43.750058][ T10] ? __kthread_parkme+0xbd/0x210 [ 43.750061][ T10] ? rescuer_thread+0x1340/0x1340 [ 43.750062][ T10] ? rescuer_thread+0x1340/0x1340 [ 43.750064][ T10] kthread+0x367/0x460 [ 43.750065][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 43.750066][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 43.750068][ T10] ret_from_fork+0x474/0x6b0 [ 43.750071][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 43.750073][ T10] ? __switch_to+0x5a3/0xe00 [ 43.750075][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 43.750077][ T10] ret_from_fork_asm+0x11/0x20 [ 43.750080][ T10] [ 43.750780][ T68] tun3: deleting peer with id 12, reason 2 [ 43.813776][ T10] tun5: deleting peer with id 14, reason 2 [ 43.878843][ T50] tun6: deleting peer with id 15, reason 2