[ 36.995752][ T847] tun0: deleting peer with id 1, reason 1 [ 36.995827][ T847] [ 36.995829][ T847] ===================================================== [ 36.995830][ T847] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 36.995834][ T847] 7.2.0-virtme #1 Tainted: G W [ 36.995836][ T847] ----------------------------------------------------- [ 36.995837][ T847] ovpn-cli/847 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 36.995840][ T847] ffffffffb8099660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 36.995855][ T847] [ 36.995855][ T847] and this task is already holding: [ 36.995856][ T847] ff1100000a79ce68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 36.995866][ T847] which would create a new lock dependency: [ 36.995867][ T847] (&ovpn->lock){+.-.}-{3:3} -> (console_owner){....}-{0:0} [ 36.995872][ T847] [ 36.995872][ T847] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 36.995873][ T847] (&ovpn->lock){+.-.}-{3:3} [ 36.995875][ T847] [ 36.995875][ T847] ... which became SOFTIRQ-irq-safe at: [ 36.995877][ T847] __lock_acquire+0x388/0xc20 [ 36.995881][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.995884][ T847] _raw_spin_lock_bh+0x38/0x50 [ 36.995888][ T847] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 36.995893][ T847] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 36.995897][ T847] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 36.995902][ T847] udp_queue_rcv_one_skb+0x645/0xb00 [ 36.995906][ T847] udp_unicast_rcv_skb+0x366/0x450 [ 36.995908][ T847] udp_rcv+0xaba/0x1d90 [ 36.995911][ T847] ip_protocol_deliver_rcu+0x82/0x350 [ 36.995914][ T847] ip_local_deliver_finish+0x36f/0x610 [ 36.995916][ T847] ip_local_deliver+0x184/0x4c0 [ 36.995918][ T847] ip_rcv+0xdc/0x3d0 [ 36.995920][ T847] __netif_receive_skb_one_core+0xfc/0x180 [ 36.995924][ T847] process_backlog+0x431/0x14c0 [ 36.995927][ T847] __napi_poll+0xa7/0x3b0 [ 36.995929][ T847] net_rx_action+0x513/0xf50 [ 36.995932][ T847] handle_softirqs+0x1d3/0x900 [ 36.995936][ T847] do_softirq+0xac/0xe0 [ 36.995938][ T847] __local_bh_enable_ip+0x118/0x150 [ 36.995940][ T847] __dev_queue_xmit+0x979/0x1b80 [ 36.995942][ T847] ip_finish_output2+0x5b9/0x1bc0 [ 36.995945][ T847] ip_output+0x1ca/0x660 [ 36.995947][ T847] ip_push_pending_frames+0xf6/0x250 [ 36.995949][ T847] raw_sendmsg+0x1169/0x1cc0 [ 36.995952][ T847] __sys_sendto+0x2aa/0x400 [ 36.995955][ T847] __x64_sys_sendto+0xe4/0x1f0 [ 36.995957][ T847] do_syscall_64+0xff/0x530 [ 36.995961][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.995964][ T847] [ 36.995964][ T847] to a SOFTIRQ-irq-unsafe lock: [ 36.995965][ T847] (fs_reclaim){+.+.}-{0:0} [ 36.995967][ T847] [ 36.995967][ T847] ... which became SOFTIRQ-irq-unsafe at: [ 36.995968][ T847] ... [ 36.995969][ T847] __lock_acquire+0x388/0xc20 [ 36.995972][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.995974][ T847] fs_reclaim_acquire+0xd5/0x120 [ 36.995977][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 36.995980][ T847] kthread_create_worker_on_node+0xea/0x210 [ 36.995983][ T847] workqueue_init+0x2a/0x680 [ 36.995988][ T847] kernel_init_freeable+0x2fe/0x630 [ 36.995991][ T847] kernel_init+0x21/0x150 [ 36.995994][ T847] ret_from_fork+0x474/0x6b0 [ 36.995997][ T847] ret_from_fork_asm+0x11/0x20 [ 36.996001][ T847] [ 36.996001][ T847] other info that might help us debug this: [ 36.996001][ T847] [ 36.996002][ T847] Chain exists of: [ 36.996002][ T847] &ovpn->lock --> console_owner --> fs_reclaim [ 36.996002][ T847] [ 36.996006][ T847] Possible interrupt unsafe locking scenario: [ 36.996006][ T847] [ 36.996007][ T847] CPU0 CPU1 [ 36.996007][ T847] ---- ---- [ 36.996008][ T847] lock(fs_reclaim); [ 36.996010][ T847] local_irq_disable(); [ 36.996010][ T847] lock(&ovpn->lock); [ 36.996012][ T847] lock(console_owner); [ 36.996014][ T847] [ 36.996014][ T847] lock(&ovpn->lock); [ 36.996016][ T847] [ 36.996016][ T847] *** DEADLOCK *** [ 36.996016][ T847] [ 36.996017][ T847] locks held by ovpn-cli/847: 4, last CPU#2: [ 36.996019][ T847] #0: ffffffffb8944ba8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 36.996026][ T847] #1: ff1100000a79ce68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 36.996034][ T847] #2: ffffffffb8179cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 36.996040][ T847] #3: ffffffffb8179d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 36.996045][ T847] [ 36.996045][ T847] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 36.996047][ T847] -> (&ovpn->lock){+.-.}-{3:3} { [ 36.996050][ T847] HARDIRQ-ON-W at: [ 36.996052][ T847] __lock_acquire+0x388/0xc20 [ 36.996054][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996056][ T847] _raw_spin_lock_bh+0x38/0x50 [ 36.996058][ T847] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 36.996062][ T847] ovpn_peer_add+0x152/0x330 [ovpn] [ 36.996066][ T847] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 36.996070][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 36.996073][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 36.996075][ T847] genl_rcv_msg+0xbb/0x160 [ 36.996077][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 36.996080][ T847] genl_rcv+0x28/0x40 [ 36.996082][ T847] netlink_unicast+0x486/0x750 [ 36.996084][ T847] netlink_sendmsg+0x735/0xc60 [ 36.996087][ T847] ____sys_sendmsg+0x415/0x880 [ 36.996089][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 36.996091][ T847] __sys_sendmsg+0x12c/0x1d0 [ 36.996094][ T847] do_syscall_64+0xff/0x530 [ 36.996096][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.996098][ T847] IN-SOFTIRQ-W at: [ 36.996099][ T847] __lock_acquire+0x388/0xc20 [ 36.996101][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996103][ T847] _raw_spin_lock_bh+0x38/0x50 [ 36.996105][ T847] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 36.996109][ T847] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 36.996113][ T847] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 36.996117][ T847] udp_queue_rcv_one_skb+0x645/0xb00 [ 36.996120][ T847] udp_unicast_rcv_skb+0x366/0x450 [ 36.996122][ T847] udp_rcv+0xaba/0x1d90 [ 36.996124][ T847] ip_protocol_deliver_rcu+0x82/0x350 [ 36.996126][ T847] ip_local_deliver_finish+0x36f/0x610 [ 36.996128][ T847] ip_local_deliver+0x184/0x4c0 [ 36.996130][ T847] ip_rcv+0xdc/0x3d0 [ 36.996132][ T847] __netif_receive_skb_one_core+0xfc/0x180 [ 36.996135][ T847] process_backlog+0x431/0x14c0 [ 36.996137][ T847] __napi_poll+0xa7/0x3b0 [ 36.996139][ T847] net_rx_action+0x513/0xf50 [ 36.996142][ T847] handle_softirqs+0x1d3/0x900 [ 36.996144][ T847] do_softirq+0xac/0xe0 [ 36.996145][ T847] __local_bh_enable_ip+0x118/0x150 [ 36.996147][ T847] __dev_queue_xmit+0x979/0x1b80 [ 36.996150][ T847] ip_finish_output2+0x5b9/0x1bc0 [ 36.996152][ T847] ip_output+0x1ca/0x660 [ 36.996154][ T847] ip_push_pending_frames+0xf6/0x250 [ 36.996156][ T847] raw_sendmsg+0x1169/0x1cc0 [ 36.996158][ T847] __sys_sendto+0x2aa/0x400 [ 36.996161][ T847] __x64_sys_sendto+0xe4/0x1f0 [ 36.996163][ T847] do_syscall_64+0xff/0x530 [ 36.996165][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.996167][ T847] INITIAL USE at: [ 36.996169][ T847] __lock_acquire+0x388/0xc20 [ 36.996171][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996173][ T847] _raw_spin_lock_bh+0x38/0x50 [ 36.996174][ T847] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 36.996178][ T847] ovpn_peer_add+0x152/0x330 [ovpn] [ 36.996182][ T847] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 36.996186][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 36.996189][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 36.996191][ T847] genl_rcv_msg+0xbb/0x160 [ 36.996194][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 36.996196][ T847] genl_rcv+0x28/0x40 [ 36.996198][ T847] netlink_unicast+0x486/0x750 [ 36.996200][ T847] netlink_sendmsg+0x735/0xc60 [ 36.996202][ T847] ____sys_sendmsg+0x415/0x880 [ 36.996205][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 36.996207][ T847] __sys_sendmsg+0x12c/0x1d0 [ 36.996209][ T847] do_syscall_64+0xff/0x530 [ 36.996211][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.996213][ T847] } [ 36.996214][ T847] ... key at: [] __key.84+0x0/0x40 [ovpn] [ 36.996219][ T847] [ 36.996219][ T847] the dependencies between the lock to be acquired [ 36.996220][ T847] and SOFTIRQ-irq-unsafe lock: [ 36.996227][ T847] -> (fs_reclaim){+.+.}-{0:0} { [ 36.996230][ T847] HARDIRQ-ON-W at: [ 36.996231][ T847] __lock_acquire+0x388/0xc20 [ 36.996236][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996238][ T847] fs_reclaim_acquire+0xd5/0x120 [ 36.996240][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 36.996242][ T847] kthread_create_worker_on_node+0xea/0x210 [ 36.996245][ T847] workqueue_init+0x2a/0x680 [ 36.996247][ T847] kernel_init_freeable+0x2fe/0x630 [ 36.996249][ T847] kernel_init+0x21/0x150 [ 36.996251][ T847] ret_from_fork+0x474/0x6b0 [ 36.996253][ T847] ret_from_fork_asm+0x11/0x20 [ 36.996255][ T847] SOFTIRQ-ON-W at: [ 36.996257][ T847] __lock_acquire+0x388/0xc20 [ 36.996259][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996261][ T847] fs_reclaim_acquire+0xd5/0x120 [ 36.996263][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 36.996265][ T847] kthread_create_worker_on_node+0xea/0x210 [ 36.996267][ T847] workqueue_init+0x2a/0x680 [ 36.996268][ T847] kernel_init_freeable+0x2fe/0x630 [ 36.996271][ T847] kernel_init+0x21/0x150 [ 36.996273][ T847] ret_from_fork+0x474/0x6b0 [ 36.996274][ T847] ret_from_fork_asm+0x11/0x20 [ 36.996276][ T847] INITIAL USE at: [ 36.996277][ T847] __lock_acquire+0x388/0xc20 [ 36.996279][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996281][ T847] fs_reclaim_acquire+0xd5/0x120 [ 36.996283][ T847] __kmalloc_cache_noprof+0x6e/0x620 [ 36.996285][ T847] kthread_create_worker_on_node+0xea/0x210 [ 36.996287][ T847] workqueue_init+0x2a/0x680 [ 36.996289][ T847] kernel_init_freeable+0x2fe/0x630 [ 36.996291][ T847] kernel_init+0x21/0x150 [ 36.996293][ T847] ret_from_fork+0x474/0x6b0 [ 36.996295][ T847] ret_from_fork_asm+0x11/0x20 [ 36.996297][ T847] } [ 36.996298][ T847] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 36.996302][ T847] ... acquired at: [ 36.996303][ T847] __lock_acquire+0x518/0xc20 [ 36.996305][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996307][ T847] fs_reclaim_acquire+0xd5/0x120 [ 36.996309][ T847] __kmalloc_noprof+0xd3/0x760 [ 36.996311][ T847] alloc_buf.isra.0+0x4b/0x260 [ 36.996315][ T847] put_chars+0x1e1/0x2f0 [ 36.996317][ T847] hvc_console_print+0x292/0x780 [ 36.996320][ T847] console_emit_next_record+0x22f/0x4c0 [ 36.996323][ T847] console_flush_one_record+0x46f/0x710 [ 36.996325][ T847] console_unlock+0xee/0x1f0 [ 36.996327][ T847] vprintk_emit+0x37c/0x3e0 [ 36.996329][ T847] dev_vprintk_emit+0x27f/0x2c0 [ 36.996333][ T847] dev_printk_emit+0xb9/0xee [ 36.996335][ T847] _dev_info+0xe2/0x116 [ 36.996338][ T847] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 36.996341][ T847] cmos_do_probe+0x73b/0x98a [ 36.996343][ T847] platform_probe+0xfe/0x1f0 [ 36.996346][ T847] call_driver_probe+0x61/0x1c0 [ 36.996349][ T847] really_probe+0x199/0x760 [ 36.996351][ T847] __driver_probe_device+0x24f/0x440 [ 36.996353][ T847] driver_probe_device+0x4a/0xf0 [ 36.996356][ T847] __driver_attach+0x1b8/0x540 [ 36.996358][ T847] bus_for_each_dev+0x130/0x1e0 [ 36.996360][ T847] bus_add_driver+0x2c8/0x530 [ 36.996362][ T847] driver_register+0x1a3/0x390 [ 36.996364][ T847] __platform_driver_probe+0x13f/0x270 [ 36.996366][ T847] cmos_init+0x31/0x40 [ 36.996369][ T847] do_one_initcall+0x124/0x4f0 [ 36.996372][ T847] kernel_init_freeable+0x596/0x630 [ 36.996374][ T847] kernel_init+0x21/0x150 [ 36.996376][ T847] ret_from_fork+0x474/0x6b0 [ 36.996378][ T847] ret_from_fork_asm+0x11/0x20 [ 36.996380][ T847] [ 36.996381][ T847] -> (console_owner){....}-{0:0} { [ 36.996384][ T847] INITIAL USE at: [ 36.996385][ T847] } [ 36.996386][ T847] ... key at: [] console_owner_dep_map+0x0/0x60 [ 36.996390][ T847] ... acquired at: [ 36.996391][ T847] check_prev_add+0xef/0xe90 [ 36.996393][ T847] validate_chain+0x6b8/0xc20 [ 36.996395][ T847] __lock_acquire+0x518/0xc20 [ 36.996397][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996398][ T847] console_lock_spinning_enable+0x5c/0x60 [ 36.996401][ T847] console_emit_next_record+0x1d1/0x4c0 [ 36.996403][ T847] console_flush_one_record+0x46f/0x710 [ 36.996405][ T847] console_unlock+0xee/0x1f0 [ 36.996408][ T847] vprintk_emit+0x37c/0x3e0 [ 36.996410][ T847] _printk+0xc7/0x100 [ 36.996413][ T847] netdev_info+0xe2/0x116 [ 36.996416][ T847] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.996421][ T847] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.996425][ T847] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.996429][ T847] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.996433][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 36.996436][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 36.996438][ T847] genl_rcv_msg+0xbb/0x160 [ 36.996440][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 36.996442][ T847] genl_rcv+0x28/0x40 [ 36.996445][ T847] netlink_unicast+0x486/0x750 [ 36.996447][ T847] netlink_sendmsg+0x735/0xc60 [ 36.996449][ T847] ____sys_sendmsg+0x415/0x880 [ 36.996451][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 36.996453][ T847] __sys_sendmsg+0x12c/0x1d0 [ 36.996456][ T847] do_syscall_64+0xff/0x530 [ 36.996458][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.996460][ T847] [ 36.996460][ T847] [ 36.996460][ T847] stack backtrace: [ 36.996464][ T847] CPU: 2 UID: 0 PID: 847 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.996468][ T847] Tainted: [W]=WARN [ 36.996470][ T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.996472][ T847] Call Trace: [ 36.996474][ T847] [ 36.996475][ T847] dump_stack_lvl+0x6f/0xa0 [ 36.996480][ T847] print_bad_irq_dependency+0x3e4/0x410 [ 36.996484][ T847] check_irq_usage+0x403/0x570 [ 36.996487][ T847] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.996491][ T847] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.996495][ T847] ? check_path.constprop.0+0x24/0x50 [ 36.996500][ T847] ? check_prev_add+0xef/0xe90 [ 36.996502][ T847] check_prev_add+0xef/0xe90 [ 36.996505][ T847] validate_chain+0x6b8/0xc20 [ 36.996508][ T847] __lock_acquire+0x518/0xc20 [ 36.996512][ T847] lock_acquire.part.0+0xd4/0x280 [ 36.996514][ T847] ? console_lock_spinning_enable+0x40/0x60 [ 36.996517][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996520][ T847] ? lock_acquire+0x13c/0x160 [ 36.996523][ T847] console_lock_spinning_enable+0x5c/0x60 [ 36.996526][ T847] ? console_lock_spinning_enable+0x40/0x60 [ 36.996529][ T847] console_emit_next_record+0x1d1/0x4c0 [ 36.996532][ T847] ? devkmsg_read+0x4b0/0x4b0 [ 36.996534][ T847] ? console_flush_one_record+0x106/0x710 [ 36.996538][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996540][ T847] ? lock_acquire+0x13c/0x160 [ 36.996543][ T847] console_flush_one_record+0x46f/0x710 [ 36.996547][ T847] ? console_emit_next_record+0x4c0/0x4c0 [ 36.996549][ T847] ? __lock_acquire+0x518/0xc20 [ 36.996553][ T847] console_unlock+0xee/0x1f0 [ 36.996556][ T847] ? console_flush_one_record+0x710/0x710 [ 36.996559][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996561][ T847] ? lock_acquire+0x60/0x160 [ 36.996564][ T847] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.996567][ T847] ? vprintk_emit+0x320/0x3e0 [ 36.996570][ T847] vprintk_emit+0x37c/0x3e0 [ 36.996573][ T847] ? wake_up_klogd_work_func+0x90/0x90 [ 36.996575][ T847] ? kernel_text_address+0x149/0x170 [ 36.996578][ T847] ? __kernel_text_address+0x12/0x30 [ 36.996581][ T847] ? write_profile+0xf0/0xf0 [ 36.996584][ T847] ? unwind_get_return_address+0x67/0xd0 [ 36.996588][ T847] _printk+0xc7/0x100 [ 36.996590][ T847] ? snapshot_read.cold+0x21/0x21 [ 36.996594][ T847] ? mark_usage+0x61/0x170 [ 36.996596][ T847] ? netdev_name+0x43/0x60 [ 36.996598][ T847] ? __netdev_printk+0x17f/0x1d0 [ 36.996601][ T847] netdev_info+0xe2/0x116 [ 36.996603][ T847] ? netdev_notice+0x120/0x120 [ 36.996605][ T847] ? find_held_lock+0x2b/0x80 [ 36.996608][ T847] ? mark_usage+0x61/0x170 [ 36.996611][ T847] ? __lock_acquire+0x518/0xc20 [ 36.996615][ T847] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.996620][ T847] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 36.996625][ T847] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 36.996636][ T847] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.996640][ T847] ? do_raw_spin_lock+0x131/0x280 [ 36.996643][ T847] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 36.996649][ T847] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.996654][ T847] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 36.996660][ T847] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.996665][ T847] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 36.996667][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.996671][ T847] ? ref_tracker_alloc+0x28d/0x430 [ 36.996679][ T847] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 36.996684][ T847] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 36.996690][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 36.996694][ T847] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 36.996696][ T847] ? __lock_release.isra.0+0x69/0x1a0 [ 36.996700][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996703][ T847] ? cap_capable+0x1d7/0x3d0 [ 36.996707][ T847] ? write_profile+0xf0/0xf0 [ 36.996709][ T847] ? unwind_get_return_address+0x67/0xd0 [ 36.996713][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 36.996716][ T847] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 36.996719][ T847] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.996721][ T847] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 36.996726][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.996730][ T847] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 36.996734][ T847] ? __lock_acquire+0x518/0xc20 [ 36.996738][ T847] genl_rcv_msg+0xbb/0x160 [ 36.996742][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 36.996744][ T847] ? genl_family_rcv_msg+0x640/0x640 [ 36.996747][ T847] ? netlink_ack+0xcf0/0xcf0 [ 36.996752][ T847] ? netlink_deliver_tap+0xc5/0x330 [ 36.996755][ T847] ? netlink_deliver_tap+0x13c/0x330 [ 36.996759][ T847] genl_rcv+0x28/0x40 [ 36.996761][ T847] netlink_unicast+0x486/0x750 [ 36.996765][ T847] ? netlink_attachskb+0x810/0x810 [ 36.996768][ T847] ? __lock_acquire+0x518/0xc20 [ 36.996771][ T847] netlink_sendmsg+0x735/0xc60 [ 36.996774][ T847] ? netlink_unicast+0x750/0x750 [ 36.996778][ T847] ? __might_fault+0x97/0x140 [ 36.996783][ T847] ____sys_sendmsg+0x415/0x880 [ 36.996786][ T847] ? copy_msghdr_from_user+0x279/0x420 [ 36.996788][ T847] ? get_timestamp.constprop.0+0x390/0x390 [ 36.996791][ T847] ? move_addr_to_kernel+0x40/0x40 [ 36.996796][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 36.996799][ T847] ? copy_msghdr_from_user+0x420/0x420 [ 36.996802][ T847] ? kfree+0x22/0x590 [ 36.996810][ T847] __sys_sendmsg+0x12c/0x1d0 [ 36.996813][ T847] ? __sys_sendmsg_sock+0x20/0x20 [ 36.996817][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996820][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996823][ T847] do_syscall_64+0xff/0x530 [ 36.996826][ T847] ? exc_page_fault+0xee/0x100 [ 36.996828][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.996831][ T847] RIP: 0033:0x7f9fa456c54e [ 36.996835][ 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 [ 36.996837][ T847] RSP: 002b:00007ffee7e9ff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.996841][ T847] RAX: ffffffffffffffda RBX: 00000000390e7130 RCX: 00007f9fa456c54e [ 36.996843][ T847] RDX: 0000000000000000 RSI: 00007ffee7e9ffa0 RDI: 0000000000000005 [ 36.996845][ T847] RBP: 00007ffee7e9ff10 R08: 0000000000000000 R09: 0000000000000000 [ 36.996846][ T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000390e7200 [ 36.996848][ T847] R13: 00007ffee7e9ffa0 R14: 00000000390e8260 R15: 000000000040bda8 [ 36.996852][ T847] [ 36.996858][ T847] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.996860][ T847] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 847, name: ovpn-cli [ 36.996862][ T847] preempt_count: 202, expected: 0 [ 36.996864][ T847] RCU nest depth: 0, expected: 0 [ 36.996865][ T847] INFO: lockdep is turned off. [ 36.996866][ T847] irq event stamp: 33821 [ 36.996867][ T847] hardirqs last enabled at (33820): [] __down_trylock_console_sem+0x86/0xa0 [ 36.996870][ T847] hardirqs last disabled at (33821): [] console_emit_next_record+0x3d4/0x4c0 [ 36.996873][ T847] softirqs last enabled at (33788): [] __alloc_skb+0x4c2/0x5f0 [ 36.996877][ T847] softirqs last disabled at (33816): [] ovpn_peer_del+0xa0/0x590 [ovpn] [ 36.996881][ T847] Preemption disabled at: [ 36.996882][ T847] [<0000000000000000>] 0x0 [ 36.996886][ T847] CPU: 2 UID: 0 PID: 847 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.996889][ T847] Tainted: [W]=WARN [ 36.996890][ T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.996891][ T847] Call Trace: [ 36.996892][ T847] [ 36.996893][ T847] dump_stack_lvl+0x6f/0xa0 [ 36.996897][ T847] __might_resched.cold+0x1fe/0x2c1 [ 36.996900][ T847] ? check_irq_usage+0x403/0x570 [ 36.996903][ T847] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.996907][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996910][ T847] __kmalloc_noprof+0x443/0x760 [ 36.996913][ T847] ? __rwlock_init+0x150/0x150 [ 36.996915][ T847] ? alloc_buf.isra.0+0x4b/0x260 [ 36.996919][ T847] ? do_raw_spin_unlock+0x59/0x250 [ 36.996921][ T847] alloc_buf.isra.0+0x4b/0x260 [ 36.996924][ T847] put_chars+0x1e1/0x2f0 [ 36.996927][ T847] ? __send_to_port+0x420/0x420 [ 36.996929][ T847] ? check_prev_add+0xef/0xe90 [ 36.996932][ T847] ? validate_chain+0x6b8/0xc20 [ 36.996935][ T847] hvc_console_print+0x292/0x780 [ 36.996938][ T847] ? __lock_acquire+0x518/0xc20 [ 36.996942][ T847] ? hvc_write+0x3a0/0x3a0 [ 36.996945][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996948][ T847] ? lock_acquire+0x13c/0x160 [ 36.996951][ T847] console_emit_next_record+0x22f/0x4c0 [ 36.996955][ T847] ? devkmsg_read+0x4b0/0x4b0 [ 36.996957][ T847] ? console_flush_one_record+0x106/0x710 [ 36.996960][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996963][ T847] ? lock_acquire+0x13c/0x160 [ 36.996966][ T847] console_flush_one_record+0x46f/0x710 [ 36.996970][ T847] ? console_emit_next_record+0x4c0/0x4c0 [ 36.996972][ T847] ? __lock_acquire+0x518/0xc20 [ 36.996976][ T847] console_unlock+0xee/0x1f0 [ 36.996978][ T847] ? console_flush_one_record+0x710/0x710 [ 36.996981][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.996984][ T847] ? lock_acquire+0x60/0x160 [ 36.996987][ T847] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.996989][ T847] ? vprintk_emit+0x320/0x3e0 [ 36.996992][ T847] vprintk_emit+0x37c/0x3e0 [ 36.996995][ T847] ? wake_up_klogd_work_func+0x90/0x90 [ 36.996998][ T847] ? kernel_text_address+0x149/0x170 [ 36.997000][ T847] ? __kernel_text_address+0x12/0x30 [ 36.997002][ T847] ? write_profile+0xf0/0xf0 [ 36.997004][ T847] ? unwind_get_return_address+0x67/0xd0 [ 36.997007][ T847] _printk+0xc7/0x100 [ 36.997010][ T847] ? snapshot_read.cold+0x21/0x21 [ 36.997013][ T847] ? mark_usage+0x61/0x170 [ 36.997015][ T847] ? netdev_name+0x43/0x60 [ 36.997017][ T847] ? __netdev_printk+0x17f/0x1d0 [ 36.997021][ T847] netdev_info+0xe2/0x116 [ 36.997023][ T847] ? netdev_notice+0x120/0x120 [ 36.997025][ T847] ? find_held_lock+0x2b/0x80 [ 36.997027][ T847] ? mark_usage+0x61/0x170 [ 36.997030][ T847] ? __lock_acquire+0x518/0xc20 [ 36.997034][ T847] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 36.997039][ T847] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 36.997043][ T847] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 36.997049][ T847] ovpn_peer_remove+0x394/0x640 [ovpn] [ 36.997053][ T847] ? do_raw_spin_lock+0x131/0x280 [ 36.997056][ T847] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 36.997062][ T847] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 36.997066][ T847] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 36.997072][ T847] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 36.997077][ T847] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 36.997079][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.997083][ T847] ? ref_tracker_alloc+0x28d/0x430 [ 36.997089][ T847] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 36.997094][ T847] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 36.997100][ T847] genl_family_rcv_msg_doit+0x206/0x300 [ 36.997103][ T847] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 36.997106][ T847] ? __lock_release.isra.0+0x69/0x1a0 [ 36.997110][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.997113][ T847] ? cap_capable+0x1d7/0x3d0 [ 36.997116][ T847] ? write_profile+0xf0/0xf0 [ 36.997118][ T847] ? unwind_get_return_address+0x67/0xd0 [ 36.997121][ T847] genl_family_rcv_msg+0x3a4/0x640 [ 36.997125][ T847] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 36.997128][ T847] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.997130][ T847] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 36.997134][ T847] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 36.997138][ T847] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 36.997143][ T847] ? __lock_acquire+0x518/0xc20 [ 36.997147][ T847] genl_rcv_msg+0xbb/0x160 [ 36.997150][ T847] netlink_rcv_skb+0x14e/0x3a0 [ 36.997153][ T847] ? genl_family_rcv_msg+0x640/0x640 [ 36.997156][ T847] ? netlink_ack+0xcf0/0xcf0 [ 36.997160][ T847] ? netlink_deliver_tap+0xc5/0x330 [ 36.997163][ T847] ? netlink_deliver_tap+0x13c/0x330 [ 36.997166][ T847] genl_rcv+0x28/0x40 [ 36.997169][ T847] netlink_unicast+0x486/0x750 [ 36.997172][ T847] ? netlink_attachskb+0x810/0x810 [ 36.997175][ T847] ? __lock_acquire+0x518/0xc20 [ 36.997178][ T847] netlink_sendmsg+0x735/0xc60 [ 36.997182][ T847] ? netlink_unicast+0x750/0x750 [ 36.997185][ T847] ? __might_fault+0x97/0x140 [ 36.997189][ T847] ____sys_sendmsg+0x415/0x880 [ 36.997192][ T847] ? copy_msghdr_from_user+0x279/0x420 [ 36.997195][ T847] ? get_timestamp.constprop.0+0x390/0x390 [ 36.997197][ T847] ? move_addr_to_kernel+0x40/0x40 [ 36.997202][ T847] ___sys_sendmsg+0x14e/0x1d0 [ 36.997205][ T847] ? copy_msghdr_from_user+0x420/0x420 [ 36.997207][ T847] ? kfree+0x22/0x590 [ 36.997215][ T847] __sys_sendmsg+0x12c/0x1d0 [ 36.997218][ T847] ? __sys_sendmsg_sock+0x20/0x20 [ 36.997222][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.997225][ T847] ? rcu_is_watching+0x16/0xd0 [ 36.997228][ T847] do_syscall_64+0xff/0x530 [ 36.997231][ T847] ? exc_page_fault+0xee/0x100 [ 36.997233][ T847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 36.997236][ T847] RIP: 0033:0x7f9fa456c54e [ 36.997238][ 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 [ 36.997240][ T847] RSP: 002b:00007ffee7e9ff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.997242][ T847] RAX: ffffffffffffffda RBX: 00000000390e7130 RCX: 00007f9fa456c54e [ 36.997244][ T847] RDX: 0000000000000000 RSI: 00007ffee7e9ffa0 RDI: 0000000000000005 [ 36.997245][ T847] RBP: 00007ffee7e9ff10 R08: 0000000000000000 R09: 0000000000000000 [ 36.997246][ T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000390e7200 [ 36.997248][ T847] R13: 00007ffee7e9ffa0 R14: 00000000390e8260 R15: 000000000040bda8 [ 36.997252][ T847] [ 37.180719][ T847] ovpn-cli (847) used greatest stack depth: 23432 bytes left [ 37.232731][ T851] tun1: deleting peer with id 10, reason 1 [ 39.920174][ T899] tun0: deleting peer with id 2, reason 1 [ 39.920192][ T899] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 39.920194][ T899] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 899, name: ovpn-cli [ 39.920196][ T899] preempt_count: 202, expected: 0 [ 39.920197][ T899] RCU nest depth: 0, expected: 0 [ 39.920198][ T899] INFO: lockdep is turned off. [ 39.920199][ T899] irq event stamp: 0 [ 39.920200][ T899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.920205][ T899] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 39.920212][ T899] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 39.920215][ T899] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.920217][ T899] Preemption disabled at: [ 39.920218][ T899] [<0000000000000000>] 0x0 [ 39.920225][ T899] CPU: 3 UID: 0 PID: 899 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 39.920229][ T899] Tainted: [W]=WARN [ 39.920231][ T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.920233][ T899] Call Trace: [ 39.920237][ T899] [ 39.920238][ T899] dump_stack_lvl+0x6f/0xa0 [ 39.920245][ T899] __might_resched.cold+0x1fe/0x2c1 [ 39.920250][ T899] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 39.920254][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920260][ T899] __kmalloc_noprof+0x443/0x760 [ 39.920264][ T899] ? __rwlock_init+0x150/0x150 [ 39.920268][ T899] ? alloc_buf.isra.0+0x4b/0x260 [ 39.920273][ T899] ? do_raw_spin_unlock+0x59/0x250 [ 39.920275][ T899] alloc_buf.isra.0+0x4b/0x260 [ 39.920278][ T899] put_chars+0x1e1/0x2f0 [ 39.920282][ T899] ? __send_to_port+0x420/0x420 [ 39.920284][ T899] ? printk_get_next_message+0x240/0x650 [ 39.920289][ T899] hvc_console_print+0x292/0x780 [ 39.920295][ T899] ? hvc_write+0x3a0/0x3a0 [ 39.920297][ T899] ? __rwlock_init+0x150/0x150 [ 39.920299][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920302][ T899] ? lock_acquire+0x13c/0x160 [ 39.920306][ T899] console_emit_next_record+0x22f/0x4c0 [ 39.920309][ T899] ? devkmsg_read+0x4b0/0x4b0 [ 39.920312][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920314][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920316][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920319][ T899] ? lock_acquire+0x13c/0x160 [ 39.920322][ T899] ? console_flush_one_record+0x111/0x710 [ 39.920324][ T899] console_flush_one_record+0x46f/0x710 [ 39.920327][ T899] ? console_emit_next_record+0x4c0/0x4c0 [ 39.920331][ T899] console_unlock+0xee/0x1f0 [ 39.920334][ T899] ? lock_acquire+0x13c/0x160 [ 39.920336][ T899] ? console_flush_one_record+0x710/0x710 [ 39.920338][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920341][ T899] ? lock_release+0x184/0x1f0 [ 39.920343][ T899] ? lock_acquire+0x60/0x160 [ 39.920345][ T899] ? __rcu_read_lock+0x30/0x70 [ 39.920348][ T899] ? __down_trylock_console_sem+0x5e/0xa0 [ 39.920351][ T899] ? vprintk_emit+0x320/0x3e0 [ 39.920354][ T899] vprintk_emit+0x37c/0x3e0 [ 39.920357][ T899] ? wake_up_klogd_work_func+0x90/0x90 [ 39.920359][ T899] ? kernel_text_address+0x149/0x170 [ 39.920362][ T899] ? __kernel_text_address+0x12/0x30 [ 39.920364][ T899] ? write_profile+0xf0/0xf0 [ 39.920367][ T899] ? unwind_get_return_address+0x67/0xd0 [ 39.920372][ T899] _printk+0xc7/0x100 [ 39.920376][ T899] ? snapshot_read.cold+0x21/0x21 [ 39.920379][ T899] ? netdev_name+0x43/0x60 [ 39.920383][ T899] ? __netdev_printk+0x17f/0x1d0 [ 39.920385][ T899] netdev_info+0xe2/0x116 [ 39.920388][ T899] ? netdev_notice+0x120/0x120 [ 39.920390][ T899] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 39.920397][ T899] ? __module_address+0x36/0x330 [ 39.920401][ T899] ? lock_acquire+0x13c/0x160 [ 39.920403][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920406][ T899] ? lock_release+0x184/0x1f0 [ 39.920409][ T899] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 39.920414][ T899] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 39.920420][ T899] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 39.920424][ T899] ? lock_acquire+0x13c/0x160 [ 39.920427][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920430][ T899] ? lock_release+0x184/0x1f0 [ 39.920433][ T899] ovpn_peer_remove+0x394/0x640 [ovpn] [ 39.920437][ T899] ? do_raw_spin_lock+0x131/0x280 [ 39.920440][ T899] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 39.920445][ T899] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 39.920450][ T899] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 39.920456][ T899] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 39.920460][ T899] ? trace_hardirqs_on+0x36/0x40 [ 39.920464][ T899] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 39.920468][ T899] ? ref_tracker_alloc+0x28d/0x430 [ 39.920474][ T899] ? lock_release+0x184/0x1f0 [ 39.920476][ T899] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 39.920479][ T899] genl_family_rcv_msg_doit+0x206/0x300 [ 39.920484][ T899] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 39.920487][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920489][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920491][ T899] ? cap_capable+0x1d7/0x3d0 [ 39.920495][ T899] ? write_profile+0xf0/0xf0 [ 39.920496][ T899] ? unwind_get_return_address+0x67/0xd0 [ 39.920498][ T899] genl_family_rcv_msg+0x3a4/0x640 [ 39.920500][ T899] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 39.920503][ T899] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 39.920505][ T899] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 39.920507][ T899] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 39.920510][ T899] ? filter_irq_stacks+0xd0/0xd0 [ 39.920511][ T899] ? stack_depot_save_flags+0x1bc/0x790 [ 39.920514][ T899] genl_rcv_msg+0xbb/0x160 [ 39.920516][ T899] netlink_rcv_skb+0x14e/0x3a0 [ 39.920519][ T899] ? genl_family_rcv_msg+0x640/0x640 [ 39.920521][ T899] ? netlink_ack+0xcf0/0xcf0 [ 39.920524][ T899] ? lock_acquire+0x13c/0x160 [ 39.920525][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920527][ T899] ? lock_release+0x184/0x1f0 [ 39.920529][ T899] genl_rcv+0x28/0x40 [ 39.920531][ T899] netlink_unicast+0x486/0x750 [ 39.920533][ T899] ? netlink_attachskb+0x810/0x810 [ 39.920535][ T899] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 39.920537][ T899] ? trace_hardirqs_on+0x36/0x40 [ 39.920538][ T899] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 39.920541][ T899] netlink_sendmsg+0x735/0xc60 [ 39.920544][ T899] ? netlink_unicast+0x750/0x750 [ 39.920546][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920548][ T899] ? lock_release+0x184/0x1f0 [ 39.920550][ T899] ____sys_sendmsg+0x415/0x880 [ 39.920553][ T899] ? copy_msghdr_from_user+0x279/0x420 [ 39.920555][ T899] ? get_timestamp.constprop.0+0x390/0x390 [ 39.920557][ T899] ? move_addr_to_kernel+0x40/0x40 [ 39.920560][ T899] ___sys_sendmsg+0x14e/0x1d0 [ 39.920562][ T899] ? copy_msghdr_from_user+0x420/0x420 [ 39.920564][ T899] ? kfree+0x22/0x590 [ 39.920569][ T899] __sys_sendmsg+0x12c/0x1d0 [ 39.920571][ T899] ? __sys_sendmsg_sock+0x20/0x20 [ 39.920574][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920576][ T899] ? rcu_is_watching+0x16/0xd0 [ 39.920578][ T899] do_syscall_64+0xff/0x530 [ 39.920581][ T899] ? exc_page_fault+0xee/0x100 [ 39.920583][ T899] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 39.920586][ T899] RIP: 0033:0x7fdb2744e54e [ 39.920588][ 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 [ 39.920590][ T899] RSP: 002b:00007fff6e33d3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.920594][ T899] RAX: ffffffffffffffda RBX: 000000002ea72130 RCX: 00007fdb2744e54e [ 39.920595][ T899] RDX: 0000000000000000 RSI: 00007fff6e33d480 RDI: 0000000000000005 [ 39.920596][ T899] RBP: 00007fff6e33d3f0 R08: 0000000000000000 R09: 0000000000000000 [ 39.920597][ T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002ea72200 [ 39.920598][ T899] R13: 00007fff6e33d480 R14: 000000002ea73260 R15: 000000000040bda8 [ 39.920600][ T899] [ 40.028629][ T903] tun2: deleting peer with id 11, reason 1 [ 45.743299][ T52] tun0: deleting peer with id 4, reason 2 [ 45.743323][ T52] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 45.743326][ T52] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 52, name: kworker/3:1 [ 45.743329][ T52] preempt_count: 202, expected: 0 [ 45.743330][ T52] RCU nest depth: 0, expected: 0 [ 45.743332][ T52] INFO: lockdep is turned off. [ 45.743334][ T52] irq event stamp: 26706 [ 45.743335][ T52] hardirqs last enabled at (26705): [] _raw_spin_unlock_irq+0x28/0x50 [ 45.743344][ T52] hardirqs last disabled at (26706): [] __schedule+0x1246/0x20e0 [ 45.743348][ T52] softirqs last enabled at (26250): [] handle_softirqs+0x67c/0x900 [ 45.743353][ T52] softirqs last disabled at (25193): [] __irq_exit_rcu+0x145/0x1c0 [ 45.743356][ T52] Preemption disabled at: [ 45.743357][ T52] [<0000000000000000>] 0x0 [ 45.743366][ T52] CPU: 3 UID: 0 PID: 52 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 45.743371][ T52] Tainted: [W]=WARN [ 45.743372][ T52] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.743376][ T52] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.743388][ T52] Call Trace: [ 45.743390][ T52] [ 45.743393][ T52] dump_stack_lvl+0x6f/0xa0 [ 45.743400][ T52] __might_resched.cold+0x1fe/0x2c1 [ 45.743405][ T52] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 45.743409][ T52] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 45.743413][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743418][ T52] __kmalloc_noprof+0x443/0x760 [ 45.743423][ T52] ? __rwlock_init+0x150/0x150 [ 45.743426][ T52] ? alloc_buf.isra.0+0x4b/0x260 [ 45.743431][ T52] ? do_raw_spin_unlock+0x59/0x250 [ 45.743434][ T52] alloc_buf.isra.0+0x4b/0x260 [ 45.743437][ T52] put_chars+0x1e1/0x2f0 [ 45.743440][ T52] ? prb_final_commit+0x50/0x50 [ 45.743443][ T52] ? __send_to_port+0x420/0x420 [ 45.743446][ T52] ? printk_get_next_message+0x240/0x650 [ 45.743450][ T52] hvc_console_print+0x292/0x780 [ 45.743455][ T52] ? hvc_write+0x3a0/0x3a0 [ 45.743458][ T52] ? do_raw_spin_lock+0x131/0x280 [ 45.743460][ T52] ? vsnprintf+0x527/0x1700 [ 45.743463][ T52] ? __rwlock_init+0x150/0x150 [ 45.743465][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743468][ T52] ? lock_acquire+0x13c/0x160 [ 45.743472][ T52] console_emit_next_record+0x22f/0x4c0 [ 45.743475][ T52] ? devkmsg_read+0x4b0/0x4b0 [ 45.743478][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743481][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743483][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743486][ T52] ? lock_acquire+0x13c/0x160 [ 45.743489][ T52] ? console_flush_one_record+0x111/0x710 [ 45.743491][ T52] console_flush_one_record+0x46f/0x710 [ 45.743495][ T52] ? console_emit_next_record+0x4c0/0x4c0 [ 45.743499][ T52] console_unlock+0xee/0x1f0 [ 45.743501][ T52] ? lock_acquire+0x13c/0x160 [ 45.743504][ T52] ? console_flush_one_record+0x710/0x710 [ 45.743506][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743509][ T52] ? lock_release+0x184/0x1f0 [ 45.743511][ T52] ? lock_acquire+0x60/0x160 [ 45.743513][ T52] ? __rcu_read_lock+0x30/0x70 [ 45.743516][ T52] ? __down_trylock_console_sem+0x5e/0xa0 [ 45.743519][ T52] ? vprintk_emit+0x320/0x3e0 [ 45.743522][ T52] vprintk_emit+0x37c/0x3e0 [ 45.743525][ T52] ? wake_up_klogd_work_func+0x90/0x90 [ 45.743528][ T52] ? arch_stack_walk+0xd7/0x130 [ 45.743532][ T52] ? queued_spin_lock_slowpath+0x103/0xa60 [ 45.743534][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743538][ T52] _printk+0xc7/0x100 [ 45.743542][ T52] ? snapshot_read.cold+0x21/0x21 [ 45.743545][ T52] ? __add_to_free_list+0x81/0x5c0 [ 45.743548][ T52] ? __mod_zone_page_state+0xe1/0x190 [ 45.743551][ T52] ? netdev_name+0x43/0x60 [ 45.743555][ T52] ? __netdev_printk+0x17f/0x1d0 [ 45.743558][ T52] netdev_info+0xe2/0x116 [ 45.743560][ T52] ? netdev_notice+0x120/0x120 [ 45.743563][ T52] ? free_pcppages_bulk+0x363/0x6e0 [ 45.743567][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743569][ T52] ? trace_irq_enable.constprop.0+0x30/0x160 [ 45.743573][ T52] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 45.743580][ T52] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 45.743584][ T52] ? __rwlock_init+0x150/0x150 [ 45.743587][ T52] ? lock_acquire+0x13c/0x160 [ 45.743589][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743592][ T52] ovpn_peer_remove+0x394/0x640 [ovpn] [ 45.743598][ T52] ? do_raw_spin_lock+0x131/0x280 [ 45.743601][ T52] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 45.743605][ T52] ? __rwlock_init+0x150/0x150 [ 45.743608][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743611][ T52] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.743612][ T52] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 45.743615][ T52] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 45.743621][ T52] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 45.743625][ T52] ? __rwlock_init+0x150/0x150 [ 45.743629][ T52] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 45.743634][ T52] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 45.743639][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743641][ T52] ? lock_acquire+0x13c/0x160 [ 45.743643][ T52] ? rcu_is_watching+0x16/0xd0 [ 45.743647][ T52] process_one_work+0xe3e/0x1560 [ 45.743653][ T52] ? __queue_delayed_work+0x470/0x470 [ 45.743656][ T52] ? find_held_lock+0x2b/0x80 [ 45.743659][ T52] ? __rwlock_init+0x150/0x150 [ 45.743663][ T52] worker_thread+0x4f1/0xd60 [ 45.743667][ T52] ? rescuer_thread+0x1340/0x1340 [ 45.743669][ T52] ? __kthread_parkme+0xbd/0x210 [ 45.743673][ T52] ? rescuer_thread+0x1340/0x1340 [ 45.743680][ T52] ? rescuer_thread+0x1340/0x1340 [ 45.743682][ T52] kthread+0x367/0x460 [ 45.743686][ T52] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.743688][ T52] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.743691][ T52] ret_from_fork+0x474/0x6b0 [ 45.743694][ T52] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 45.743696][ T52] ? __switch_to+0x5a3/0xe00 [ 45.743700][ T52] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.743702][ T52] ret_from_fork_asm+0x11/0x20 [ 45.743709][ T52] [ 45.765926][ T52] tun0: deleting peer with id 3, reason 2 [ 45.766199][ T52] tun0: deleting peer with id 5, reason 2 [ 45.766529][ T52] tun0: deleting peer with id 6, reason 2 [ 50.864363][ T68] tun3: deleting peer with id 12, reason 2 [ 50.864388][ T68] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 50.864391][ T68] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 68, name: kworker/2:2 [ 50.864394][ T68] preempt_count: 202, expected: 0 [ 50.864395][ T68] RCU nest depth: 0, expected: 0 [ 50.864396][ T68] INFO: lockdep is turned off. [ 50.864398][ T68] irq event stamp: 25654 [ 50.864399][ T68] hardirqs last enabled at (25653): [] _raw_spin_unlock_irq+0x28/0x50 [ 50.864408][ T68] hardirqs last disabled at (25654): [] __schedule+0x1246/0x20e0 [ 50.864412][ T68] softirqs last enabled at (24354): [] handle_softirqs+0x67c/0x900 [ 50.864418][ T68] softirqs last disabled at (23367): [] __irq_exit_rcu+0x145/0x1c0 [ 50.864421][ T68] Preemption disabled at: [ 50.864422][ T68] [<0000000000000000>] 0x0 [ 50.864431][ T68] CPU: 2 UID: 0 PID: 68 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 50.864436][ T68] Tainted: [W]=WARN [ 50.864437][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.864440][ T68] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 50.864450][ T68] Call Trace: [ 50.864451][ T68] [ 50.864454][ T68] dump_stack_lvl+0x6f/0xa0 [ 50.864460][ T68] __might_resched.cold+0x1fe/0x2c1 [ 50.864465][ T68] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 50.864469][ T68] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 50.864472][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864477][ T68] __kmalloc_noprof+0x443/0x760 [ 50.864481][ T68] ? __rwlock_init+0x150/0x150 [ 50.864484][ T68] ? alloc_buf.isra.0+0x4b/0x260 [ 50.864489][ T68] ? do_raw_spin_unlock+0x59/0x250 [ 50.864491][ T68] alloc_buf.isra.0+0x4b/0x260 [ 50.864494][ T68] put_chars+0x1e1/0x2f0 [ 50.864497][ T68] ? prb_final_commit+0x50/0x50 [ 50.864499][ T68] ? __send_to_port+0x420/0x420 [ 50.864502][ T68] ? printk_get_next_message+0x240/0x650 [ 50.864506][ T68] hvc_console_print+0x292/0x780 [ 50.864511][ T68] ? hvc_write+0x3a0/0x3a0 [ 50.864513][ T68] ? do_raw_spin_lock+0x131/0x280 [ 50.864515][ T68] ? vsnprintf+0x527/0x1700 [ 50.864518][ T68] ? __rwlock_init+0x150/0x150 [ 50.864520][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864523][ T68] ? lock_acquire+0x13c/0x160 [ 50.864526][ T68] console_emit_next_record+0x22f/0x4c0 [ 50.864530][ T68] ? devkmsg_read+0x4b0/0x4b0 [ 50.864533][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864535][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864537][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864540][ T68] ? lock_acquire+0x13c/0x160 [ 50.864542][ T68] ? console_flush_one_record+0x111/0x710 [ 50.864545][ T68] console_flush_one_record+0x46f/0x710 [ 50.864548][ T68] ? console_emit_next_record+0x4c0/0x4c0 [ 50.864552][ T68] console_unlock+0xee/0x1f0 [ 50.864554][ T68] ? lock_acquire+0x13c/0x160 [ 50.864557][ T68] ? console_flush_one_record+0x710/0x710 [ 50.864559][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864561][ T68] ? lock_release+0x184/0x1f0 [ 50.864564][ T68] ? lock_acquire+0x60/0x160 [ 50.864566][ T68] ? __rcu_read_lock+0x30/0x70 [ 50.864569][ T68] ? __down_trylock_console_sem+0x5e/0xa0 [ 50.864571][ T68] ? vprintk_emit+0x320/0x3e0 [ 50.864574][ T68] vprintk_emit+0x37c/0x3e0 [ 50.864577][ T68] ? wake_up_klogd_work_func+0x90/0x90 [ 50.864580][ T68] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 50.864582][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864584][ T68] ? trace_sched_wakeup+0x9b/0x160 [ 50.864588][ T68] _printk+0xc7/0x100 [ 50.864591][ T68] ? snapshot_read.cold+0x21/0x21 [ 50.864593][ T68] ? try_to_wake_up+0x153/0x1130 [ 50.864596][ T68] ? select_fallback_rq+0x510/0x510 [ 50.864599][ T68] ? netdev_name+0x43/0x60 [ 50.864602][ T68] ? __netdev_printk+0x17f/0x1d0 [ 50.864605][ T68] netdev_info+0xe2/0x116 [ 50.864607][ T68] ? netdev_notice+0x120/0x120 [ 50.864610][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864613][ T68] ? __queue_work+0x3ab/0xd30 [ 50.864617][ T68] ? kthread+0x367/0x460 [ 50.864620][ T68] ? trace_irq_enable.constprop.0+0x30/0x160 [ 50.864623][ T68] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 50.864629][ T68] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 50.864633][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864636][ T68] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.864639][ T68] ovpn_peer_remove+0x394/0x640 [ovpn] [ 50.864644][ T68] ? do_raw_spin_lock+0x131/0x280 [ 50.864647][ T68] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 50.864651][ T68] ? __rwlock_init+0x150/0x150 [ 50.864653][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864656][ T68] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.864658][ T68] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 50.864660][ T68] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 50.864666][ T68] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 50.864670][ T68] ? __rwlock_init+0x150/0x150 [ 50.864673][ T68] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 50.864679][ T68] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 50.864683][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864685][ T68] ? lock_acquire+0x13c/0x160 [ 50.864687][ T68] ? rcu_is_watching+0x16/0xd0 [ 50.864690][ T68] ? process_one_work+0xdfc/0x1560 [ 50.864693][ T68] process_one_work+0xe3e/0x1560 [ 50.864697][ T68] ? __queue_delayed_work+0x470/0x470 [ 50.864707][ T68] ? __rwlock_init+0x150/0x150 [ 50.864711][ T68] worker_thread+0x4f1/0xd60 [ 50.864714][ T68] ? rescuer_thread+0x1340/0x1340 [ 50.864716][ T68] ? __kthread_parkme+0xbd/0x210 [ 50.864719][ T68] ? rescuer_thread+0x1340/0x1340 [ 50.864721][ T68] ? rescuer_thread+0x1340/0x1340 [ 50.864724][ T68] kthread+0x367/0x460 [ 50.864726][ T68] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.864728][ T68] ? kthread_affine_preferred+0x4c0/0x4c0 [ 50.864731][ T68] ret_from_fork+0x474/0x6b0 [ 50.864734][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 50.864737][ T68] ? __switch_to+0x5a3/0xe00 [ 50.864740][ T68] ? kthread_affine_preferred+0x4c0/0x4c0 [ 50.864742][ T68] ret_from_fork_asm+0x11/0x20 [ 50.864748][ T68] [ 50.927320][ T10] tun4: deleting peer with id 13, reason 2 [ 50.992328][ T68] tun5: deleting peer with id 14, reason 2 [ 51.056290][ T68] tun6: deleting peer with id 15, reason 2