[ 15.917724][ T300] ip (300) used greatest stack depth: 23920 bytes left [ 15.917740][ T300] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.917742][ T300] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 300, name: ip [ 15.917744][ T300] preempt_count: 2, expected: 0 [ 15.917745][ T300] RCU nest depth: 0, expected: 0 [ 15.917746][ T300] locks held by ip/300: 5, last CPU#2: [ 15.917748][ T300] #0: ffffffffa54127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.917759][ T300] #1: ffffffffa5579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.917765][ T300] #2: ffffffffa5579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.917769][ T300] #3: ffffffffa5499660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.917773][ T300] #4: ffffffffa5499560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.917777][ T300] irq event stamp: 37660 [ 15.917777][ T300] hardirqs last enabled at (37659): [] __down_trylock_console_sem+0x86/0xa0 [ 15.917780][ T300] hardirqs last disabled at (37660): [] console_emit_next_record+0x3d4/0x4c0 [ 15.917782][ T300] softirqs last enabled at (37564): [] handle_softirqs+0x67c/0x900 [ 15.917784][ T300] softirqs last disabled at (36847): [] __irq_exit_rcu+0x145/0x1c0 [ 15.917786][ T300] Preemption disabled at: [ 15.917787][ T300] [<0000000000000000>] 0x0 [ 15.917793][ T300] CPU: 2 UID: 0 PID: 300 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.917797][ T300] Tainted: [W]=WARN [ 15.917798][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.917800][ T300] Call Trace: [ 15.917801][ T300] [ 15.917803][ T300] dump_stack_lvl+0x6f/0xa0 [ 15.917809][ T300] __might_resched.cold+0x1fe/0x2c1 [ 15.917814][ T300] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.917818][ T300] ? __kmalloc_noprof+0xdb/0x760 [ 15.917823][ T300] __kmalloc_noprof+0x443/0x760 [ 15.917825][ T300] ? alloc_buf.isra.0+0x4b/0x260 [ 15.917831][ T300] ? do_raw_spin_unlock+0x59/0x250 [ 15.917834][ T300] alloc_buf.isra.0+0x4b/0x260 [ 15.917837][ T300] put_chars+0x1e1/0x2f0 [ 15.917840][ T300] ? __send_to_port+0x420/0x420 [ 15.917842][ T300] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.917846][ T300] ? validate_chain+0x38b/0xc20 [ 15.917851][ T300] hvc_console_print+0x292/0x780 [ 15.917858][ T300] ? hvc_write+0x3a0/0x3a0 [ 15.917860][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.917862][ T300] ? lock_acquire+0x13c/0x160 [ 15.917866][ T300] console_emit_next_record+0x22f/0x4c0 [ 15.917870][ T300] ? devkmsg_read+0x4b0/0x4b0 [ 15.917872][ T300] ? console_flush_one_record+0x106/0x710 [ 15.917875][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.917877][ T300] ? lock_acquire+0x13c/0x160 [ 15.917881][ T300] console_flush_one_record+0x46f/0x710 [ 15.917885][ T300] ? console_emit_next_record+0x4c0/0x4c0 [ 15.917887][ T300] ? __lock_acquire+0x518/0xc20 [ 15.917892][ T300] console_unlock+0xee/0x1f0 [ 15.917894][ T300] ? console_flush_one_record+0x710/0x710 [ 15.917896][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.917898][ T300] ? lock_acquire+0x60/0x160 [ 15.917902][ T300] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.917904][ T300] ? vprintk_emit+0x320/0x3e0 [ 15.917907][ T300] vprintk_emit+0x37c/0x3e0 [ 15.917911][ T300] ? wake_up_klogd_work_func+0x90/0x90 [ 15.917914][ T300] ? __lock_acquire+0x518/0xc20 [ 15.917917][ T300] _printk+0xc7/0x100 [ 15.917921][ T300] ? snapshot_read.cold+0x21/0x21 [ 15.917924][ T300] ? do_raw_spin_lock+0x131/0x280 [ 15.917926][ T300] ? __rwlock_init+0x150/0x150 [ 15.917930][ T300] ? do_raw_spin_lock+0x131/0x280 [ 15.917932][ T300] do_exit.cold+0x82/0x9c [ 15.917936][ T300] ? exit_notify+0x890/0x890 [ 15.917937][ T300] ? __lock_release.isra.0+0x69/0x1a0 [ 15.917940][ T300] ? rcu_is_watching+0x16/0xd0 [ 15.917944][ T300] do_group_exit+0xb8/0x370 [ 15.917947][ T300] __x64_sys_exit_group+0x3c/0x50 [ 15.917948][ T300] x64_sys_call+0x1567/0x1570 [ 15.917951][ T300] do_syscall_64+0xff/0x530 [ 15.917955][ T300] ? exc_page_fault+0xee/0x100 [ 15.917958][ T300] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.917960][ T300] RIP: 0033:0x7fda7ee891b8 [ 15.917962][ T300] Code: Unable to access opcode bytes at 0x7fda7ee8918e. [ 15.917963][ T300] RSP: 002b:00007ffd53859698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.917966][ T300] RAX: ffffffffffffffda RBX: 00007fda7efb9f88 RCX: 00007fda7ee891b8 [ 15.917967][ T300] RDX: 00007fda7ebd3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.917968][ T300] RBP: 00007ffd538596f0 R08: 0000000000000000 R09: 0000000000000000 [ 15.917969][ T300] R10: 00007ffd538594b0 R11: 0000000000000246 R12: 0000000000000001 [ 15.917969][ T300] R13: 0000000000000000 R14: 00007fda7efb8680 R15: 00007fda7efb9fa0 [ 15.917976][ T300] [ 16.159419][ T307] ip (307) used greatest stack depth: 23768 bytes left [ 23.869842][ C3] tun0: no available key for peer 1, key-id: 0 [ 23.869893][ C3] [ 23.869895][ C3] ======================================================== [ 23.869897][ C3] WARNING: possible irq lock inversion dependency detected [ 23.869899][ C3] 7.2.0-virtme #1 Tainted: G W [ 23.869901][ C3] -------------------------------------------------------- [ 23.869902][ C3] kworker/u16:1/71 just changed the state of lock: [ 23.869904][ C3] ffffffffa5499660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.869919][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 23.869921][ C3] (fs_reclaim){+.+.}-{0:0} [ 23.869923][ C3] [ 23.869923][ C3] [ 23.869923][ C3] and interrupts could create inverse lock ordering between them. [ 23.869923][ C3] [ 23.869924][ C3] [ 23.869924][ C3] other info that might help us debug this: [ 23.869925][ C3] Possible interrupt unsafe locking scenario: [ 23.869925][ C3] [ 23.869926][ C3] CPU0 CPU1 [ 23.869927][ C3] ---- ---- [ 23.869928][ C3] lock(fs_reclaim); [ 23.869929][ C3] local_irq_disable(); [ 23.869930][ C3] lock(console_owner); [ 23.869932][ C3] lock(fs_reclaim); [ 23.869933][ C3] [ 23.869934][ C3] lock(console_owner); [ 23.869935][ C3] [ 23.869935][ C3] *** DEADLOCK *** [ 23.869935][ C3] [ 23.869936][ C3] locks held by kworker/u16:1/71: 11, last CPU#3: [ 23.869938][ C3] #0: ff11000008dc9d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 23.869945][ C3] #1: ffa00000004c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 23.869950][ C3] #2: ffffffffa5ce3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 23.869958][ C3] #3: ffffffffa5590b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 23.869963][ C3] #4: ffffffffa5590b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 23.869969][ C3] #5: ffffffffa5590b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 23.869976][ C3] #6: ffffffffa5590b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 23.869982][ C3] #7: ff11000021049d18 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 23.869989][ C3] #8: ffffffffa5590b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 23.869998][ C3] #9: ffffffffa5579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.870004][ C3] #10: ffffffffa5579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.870009][ C3] [ 23.870009][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 23.870016][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 23.870019][ C3] HARDIRQ-ON-W at: [ 23.870022][ C3] __lock_acquire+0x388/0xc20 [ 23.870025][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870027][ C3] fs_reclaim_acquire+0xd5/0x120 [ 23.870031][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 23.870034][ C3] kthread_create_worker_on_node+0xea/0x210 [ 23.870037][ C3] workqueue_init+0x2a/0x680 [ 23.870041][ C3] kernel_init_freeable+0x2fe/0x630 [ 23.870044][ C3] kernel_init+0x21/0x150 [ 23.870047][ C3] ret_from_fork+0x474/0x6b0 [ 23.870051][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870054][ C3] SOFTIRQ-ON-W at: [ 23.870056][ C3] __lock_acquire+0x388/0xc20 [ 23.870058][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870060][ C3] fs_reclaim_acquire+0xd5/0x120 [ 23.870061][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 23.870063][ C3] kthread_create_worker_on_node+0xea/0x210 [ 23.870066][ C3] workqueue_init+0x2a/0x680 [ 23.870067][ C3] kernel_init_freeable+0x2fe/0x630 [ 23.870070][ C3] kernel_init+0x21/0x150 [ 23.870071][ C3] ret_from_fork+0x474/0x6b0 [ 23.870073][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870075][ C3] INITIAL USE at: [ 23.870076][ C3] __lock_acquire+0x388/0xc20 [ 23.870078][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870080][ C3] fs_reclaim_acquire+0xd5/0x120 [ 23.870081][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 23.870083][ C3] kthread_create_worker_on_node+0xea/0x210 [ 23.870086][ C3] workqueue_init+0x2a/0x680 [ 23.870087][ C3] kernel_init_freeable+0x2fe/0x630 [ 23.870089][ C3] kernel_init+0x21/0x150 [ 23.870091][ C3] ret_from_fork+0x474/0x6b0 [ 23.870093][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870095][ C3] } [ 23.870096][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 23.870100][ C3] ... acquired at: [ 23.870101][ C3] __lock_acquire+0x518/0xc20 [ 23.870103][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870105][ C3] fs_reclaim_acquire+0xd5/0x120 [ 23.870107][ C3] __kmalloc_noprof+0xd3/0x760 [ 23.870109][ C3] alloc_buf.isra.0+0x4b/0x260 [ 23.870113][ C3] put_chars+0x1e1/0x2f0 [ 23.870115][ C3] hvc_console_print+0x292/0x780 [ 23.870118][ C3] console_emit_next_record+0x22f/0x4c0 [ 23.870120][ C3] console_flush_one_record+0x46f/0x710 [ 23.870122][ C3] console_unlock+0xee/0x1f0 [ 23.870125][ C3] vprintk_emit+0x37c/0x3e0 [ 23.870127][ C3] dev_vprintk_emit+0x27f/0x2c0 [ 23.870131][ C3] dev_printk_emit+0xb9/0xee [ 23.870133][ C3] _dev_info+0xe2/0x116 [ 23.870135][ C3] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 23.870139][ C3] cmos_do_probe+0x73b/0x98a [ 23.870141][ C3] platform_probe+0xfe/0x1f0 [ 23.870144][ C3] call_driver_probe+0x61/0x1c0 [ 23.870147][ C3] really_probe+0x199/0x760 [ 23.870149][ C3] __driver_probe_device+0x24f/0x440 [ 23.870151][ C3] driver_probe_device+0x4a/0xf0 [ 23.870153][ C3] __driver_attach+0x1b8/0x540 [ 23.870155][ C3] bus_for_each_dev+0x130/0x1e0 [ 23.870158][ C3] bus_add_driver+0x2c8/0x530 [ 23.870160][ C3] driver_register+0x1a3/0x390 [ 23.870162][ C3] __platform_driver_probe+0x13f/0x270 [ 23.870164][ C3] cmos_init+0x31/0x40 [ 23.870167][ C3] do_one_initcall+0x124/0x4f0 [ 23.870169][ C3] kernel_init_freeable+0x596/0x630 [ 23.870172][ C3] kernel_init+0x21/0x150 [ 23.870174][ C3] ret_from_fork+0x474/0x6b0 [ 23.870175][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870177][ C3] [ 23.870178][ C3] -> (console_owner){..-.}-{0:0} { [ 23.870181][ C3] IN-SOFTIRQ-W at: [ 23.870182][ C3] __lock_acquire+0x388/0xc20 [ 23.870184][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870186][ C3] console_lock_spinning_enable+0x5c/0x60 [ 23.870188][ C3] console_emit_next_record+0x1d1/0x4c0 [ 23.870191][ C3] console_flush_one_record+0x46f/0x710 [ 23.870193][ C3] console_unlock+0xee/0x1f0 [ 23.870195][ C3] vprintk_emit+0x37c/0x3e0 [ 23.870197][ C3] _printk+0xc7/0x100 [ 23.870204][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.870209][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.870213][ C3] __strp_recv+0x20f/0x1c20 [ 23.870217][ C3] __tcp_read_sock+0x1c7/0x850 [ 23.870220][ C3] strp_read_sock+0x20f/0x2b0 [ 23.870223][ C3] strp_data_ready+0x18e/0x2c0 [ 23.870225][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.870229][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 23.870232][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.870234][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 23.870236][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 23.870238][ C3] ip_local_deliver_finish+0x36f/0x610 [ 23.870240][ C3] ip_local_deliver+0x184/0x4c0 [ 23.870242][ C3] ip_rcv+0xdc/0x3d0 [ 23.870244][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 23.870247][ C3] process_backlog+0x431/0x14c0 [ 23.870249][ C3] __napi_poll+0xa7/0x3b0 [ 23.870251][ C3] net_rx_action+0x513/0xf50 [ 23.870254][ C3] handle_softirqs+0x1d3/0x900 [ 23.870257][ C3] do_softirq+0xac/0xe0 [ 23.870258][ C3] __local_bh_enable_ip+0x118/0x150 [ 23.870260][ C3] __dev_queue_xmit+0x979/0x1b80 [ 23.870263][ C3] ip6_finish_output2+0x423/0x12a0 [ 23.870265][ C3] ip6_finish_output+0x646/0xda0 [ 23.870267][ C3] ip6_output+0x23f/0x7f0 [ 23.870269][ C3] ndisc_send_skb+0xba3/0x1520 [ 23.870271][ C3] addrconf_dad_completed+0x37e/0xe10 [ 23.870273][ C3] addrconf_dad_begin+0x2e1/0x540 [ 23.870276][ C3] addrconf_dad_work+0x170/0x930 [ 23.870278][ C3] process_one_work+0xe3e/0x1560 [ 23.870286][ C3] worker_thread+0x4f1/0xd60 [ 23.870289][ C3] kthread+0x367/0x460 [ 23.870291][ C3] ret_from_fork+0x474/0x6b0 [ 23.870293][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870295][ C3] INITIAL USE at: [ 23.870296][ C3] } [ 23.870297][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 23.870301][ C3] ... acquired at: [ 23.870302][ C3] mark_lock+0x1d7/0xa00 [ 23.870304][ C3] mark_usage+0x42/0x170 [ 23.870306][ C3] __lock_acquire+0x388/0xc20 [ 23.870307][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870309][ C3] console_lock_spinning_enable+0x5c/0x60 [ 23.870311][ C3] console_emit_next_record+0x1d1/0x4c0 [ 23.870314][ C3] console_flush_one_record+0x46f/0x710 [ 23.870316][ C3] console_unlock+0xee/0x1f0 [ 23.870318][ C3] vprintk_emit+0x37c/0x3e0 [ 23.870320][ C3] _printk+0xc7/0x100 [ 23.870322][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.870326][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.870330][ C3] __strp_recv+0x20f/0x1c20 [ 23.870333][ C3] __tcp_read_sock+0x1c7/0x850 [ 23.870334][ C3] strp_read_sock+0x20f/0x2b0 [ 23.870337][ C3] strp_data_ready+0x18e/0x2c0 [ 23.870339][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.870343][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 23.870345][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.870347][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 23.870349][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 23.870351][ C3] ip_local_deliver_finish+0x36f/0x610 [ 23.870353][ C3] ip_local_deliver+0x184/0x4c0 [ 23.870355][ C3] ip_rcv+0xdc/0x3d0 [ 23.870357][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 23.870360][ C3] process_backlog+0x431/0x14c0 [ 23.870362][ C3] __napi_poll+0xa7/0x3b0 [ 23.870364][ C3] net_rx_action+0x513/0xf50 [ 23.870366][ C3] handle_softirqs+0x1d3/0x900 [ 23.870368][ C3] do_softirq+0xac/0xe0 [ 23.870370][ C3] __local_bh_enable_ip+0x118/0x150 [ 23.870372][ C3] __dev_queue_xmit+0x979/0x1b80 [ 23.870374][ C3] ip6_finish_output2+0x423/0x12a0 [ 23.870376][ C3] ip6_finish_output+0x646/0xda0 [ 23.870378][ C3] ip6_output+0x23f/0x7f0 [ 23.870379][ C3] ndisc_send_skb+0xba3/0x1520 [ 23.870381][ C3] addrconf_dad_completed+0x37e/0xe10 [ 23.870383][ C3] addrconf_dad_begin+0x2e1/0x540 [ 23.870386][ C3] addrconf_dad_work+0x170/0x930 [ 23.870388][ C3] process_one_work+0xe3e/0x1560 [ 23.870390][ C3] worker_thread+0x4f1/0xd60 [ 23.870392][ C3] kthread+0x367/0x460 [ 23.870394][ C3] ret_from_fork+0x474/0x6b0 [ 23.870395][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870397][ C3] [ 23.870398][ C3] [ 23.870398][ C3] stack backtrace: [ 23.870402][ C3] CPU: 3 UID: 0 PID: 71 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.870406][ C3] Tainted: [W]=WARN [ 23.870407][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.870410][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.870414][ C3] Call Trace: [ 23.870416][ C3] [ 23.870418][ C3] dump_stack_lvl+0x6f/0xa0 [ 23.870423][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 23.870427][ C3] mark_lock_irq+0x989/0x9c0 [ 23.870431][ C3] mark_lock+0x1d7/0xa00 [ 23.870434][ C3] mark_usage+0x42/0x170 [ 23.870437][ C3] __lock_acquire+0x388/0xc20 [ 23.870440][ C3] lock_acquire.part.0+0xd4/0x280 [ 23.870442][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 23.870445][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870450][ C3] ? lock_acquire+0x13c/0x160 [ 23.870453][ C3] console_lock_spinning_enable+0x5c/0x60 [ 23.870456][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 23.870458][ C3] console_emit_next_record+0x1d1/0x4c0 [ 23.870461][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 23.870464][ C3] ? console_flush_one_record+0x106/0x710 [ 23.870467][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870469][ C3] ? lock_acquire+0x13c/0x160 [ 23.870472][ C3] console_flush_one_record+0x46f/0x710 [ 23.870475][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 23.870478][ C3] ? __lock_acquire+0x518/0xc20 [ 23.870481][ C3] console_unlock+0xee/0x1f0 [ 23.870484][ C3] ? console_flush_one_record+0x710/0x710 [ 23.870487][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870489][ C3] ? lock_acquire+0x60/0x160 [ 23.870492][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.870494][ C3] ? vprintk_emit+0x320/0x3e0 [ 23.870497][ C3] vprintk_emit+0x37c/0x3e0 [ 23.870501][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 23.870504][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.870507][ C3] _printk+0xc7/0x100 [ 23.870510][ C3] ? snapshot_read.cold+0x21/0x21 [ 23.870512][ C3] ? ___ratelimit+0x4e7/0xa00 [ 23.870516][ C3] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 23.870521][ C3] ? idr_get_free+0x830/0x830 [ 23.870525][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.870530][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.870535][ C3] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 23.870540][ C3] ? __copy_skb_header+0xb7/0x510 [ 23.870544][ C3] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 23.870548][ C3] ? sock_queue_err_skb+0xb0/0x680 [ 23.870551][ C3] __strp_recv+0x20f/0x1c20 [ 23.870556][ C3] __tcp_read_sock+0x1c7/0x850 [ 23.870558][ C3] ? strp_process+0xb0/0xb0 [ 23.870561][ C3] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 23.870563][ C3] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 23.870566][ C3] ? mark_usage+0x61/0x170 [ 23.870569][ C3] strp_read_sock+0x20f/0x2b0 [ 23.870572][ C3] ? strp_stop+0x50/0x50 [ 23.870575][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870578][ C3] ? lock_acquire+0x13c/0x160 [ 23.870580][ C3] strp_data_ready+0x18e/0x2c0 [ 23.870584][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.870588][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 23.870592][ C3] ? __tcp_check_space+0x600/0x600 [ 23.870595][ C3] ? tcp_v4_rcv+0x1a81/0x2b70 [ 23.870598][ C3] ? do_raw_spin_lock+0x131/0x280 [ 23.870601][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.870604][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 23.870608][ C3] ? mark_usage+0x61/0x170 [ 23.870610][ C3] ? tcp_add_backlog+0x1e30/0x1e30 [ 23.870614][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.870616][ C3] ? ip_local_deliver_finish+0x2ba/0x610 [ 23.870619][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 23.870622][ C3] ? process_backlog+0x3f1/0x14c0 [ 23.870625][ C3] ip_local_deliver_finish+0x36f/0x610 [ 23.870628][ C3] ip_local_deliver+0x184/0x4c0 [ 23.870630][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 23.870633][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 23.870637][ C3] ? process_backlog+0x3f1/0x14c0 [ 23.870639][ C3] ip_rcv+0xdc/0x3d0 [ 23.870642][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 23.870644][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870647][ C3] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 23.870651][ C3] ? mark_usage+0x61/0x170 [ 23.870653][ C3] ? __lock_acquire+0x518/0xc20 [ 23.870655][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 23.870659][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 23.870662][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.870664][ C3] ? process_backlog+0x3f1/0x14c0 [ 23.870667][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 23.870669][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870673][ C3] process_backlog+0x431/0x14c0 [ 23.870677][ C3] __napi_poll+0xa7/0x3b0 [ 23.870680][ C3] net_rx_action+0x513/0xf50 [ 23.870684][ C3] ? __lock_acquire+0x518/0xc20 [ 23.870686][ C3] ? __napi_poll+0x3b0/0x3b0 [ 23.870692][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 23.870696][ C3] ? mark_held_locks+0x40/0x70 [ 23.870699][ C3] handle_softirqs+0x1d3/0x900 [ 23.870702][ C3] ? _local_bh_enable+0xc0/0xc0 [ 23.870704][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 23.870706][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870709][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 23.870712][ C3] do_softirq+0xac/0xe0 [ 23.870714][ C3] [ 23.870715][ C3] [ 23.870716][ C3] __local_bh_enable_ip+0x118/0x150 [ 23.870719][ C3] __dev_queue_xmit+0x979/0x1b80 [ 23.870722][ C3] ? __lock_acquire+0x518/0xc20 [ 23.870724][ C3] ? do_ipv6_getsockopt+0x1930/0x2e80 [ 23.870727][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 23.870730][ C3] ? find_held_lock+0x2b/0x80 [ 23.870732][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.870735][ C3] ? __rwlock_init+0x150/0x150 [ 23.870737][ C3] ? mark_held_locks+0x40/0x70 [ 23.870740][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 23.870742][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.870744][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.870746][ C3] ? ___neigh_create+0x811/0x1070 [ 23.870751][ C3] ip6_finish_output2+0x423/0x12a0 [ 23.870754][ C3] ? ip6_dst_lookup+0x80/0x80 [ 23.870756][ C3] ? find_held_lock+0x2b/0x80 [ 23.870759][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.870762][ C3] ? ip6_mtu+0x15d/0x310 [ 23.870765][ C3] ip6_finish_output+0x646/0xda0 [ 23.870768][ C3] ip6_output+0x23f/0x7f0 [ 23.870771][ C3] ? ip6_finish_output+0xda0/0xda0 [ 23.870773][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.870776][ C3] ? find_held_lock+0x2b/0x80 [ 23.870778][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.870781][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.870784][ C3] ndisc_send_skb+0xba3/0x1520 [ 23.870787][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 23.870791][ C3] ? ndisc_alloc_skb+0x2da/0x490 [ 23.870793][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.870796][ C3] addrconf_dad_completed+0x37e/0xe10 [ 23.870799][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.870802][ C3] ? addrconf_rs_timer+0x770/0x770 [ 23.870804][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.870807][ C3] ? __rwlock_init+0x150/0x150 [ 23.870809][ C3] ? mark_held_locks+0x40/0x70 [ 23.870812][ C3] ? addrconf_dad_begin+0x2e1/0x540 [ 23.870814][ C3] addrconf_dad_begin+0x2e1/0x540 [ 23.870817][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.870820][ C3] ? addrconf_dad_completed+0xe10/0xe10 [ 23.870822][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.870824][ C3] ? __rwlock_init+0x150/0x150 [ 23.870827][ C3] ? mark_held_locks+0x40/0x70 [ 23.870830][ C3] addrconf_dad_work+0x170/0x930 [ 23.870833][ C3] ? addrconf_dad_begin+0x540/0x540 [ 23.870836][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870839][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870841][ C3] ? lock_acquire+0x13c/0x160 [ 23.870843][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870846][ C3] process_one_work+0xe3e/0x1560 [ 23.870851][ C3] ? __queue_delayed_work+0x470/0x470 [ 23.870853][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.870858][ C3] worker_thread+0x4f1/0xd60 [ 23.870861][ C3] ? rescuer_thread+0x1340/0x1340 [ 23.870864][ C3] ? __kthread_parkme+0xbd/0x210 [ 23.870866][ C3] ? rescuer_thread+0x1340/0x1340 [ 23.870869][ C3] ? rescuer_thread+0x1340/0x1340 [ 23.870871][ C3] kthread+0x367/0x460 [ 23.870873][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.870876][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.870879][ C3] ret_from_fork+0x474/0x6b0 [ 23.870882][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.870885][ C3] ? __switch_to+0x5a3/0xe00 [ 23.870888][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.870891][ C3] ret_from_fork_asm+0x11/0x20 [ 23.870896][ C3] [ 23.870900][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.870903][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 71, name: kworker/u16:1 [ 23.870905][ C3] preempt_count: 103, expected: 0 [ 23.870906][ C3] RCU nest depth: 5, expected: 0 [ 23.870908][ C3] INFO: lockdep is turned off. [ 23.870909][ C3] irq event stamp: 14873 [ 23.870910][ C3] hardirqs last enabled at (14872): [] __down_trylock_console_sem+0x86/0xa0 [ 23.870913][ C3] hardirqs last disabled at (14873): [] console_emit_next_record+0x3d4/0x4c0 [ 23.870916][ C3] softirqs last enabled at (14758): [] __dev_queue_xmit+0x964/0x1b80 [ 23.870919][ C3] softirqs last disabled at (14759): [] do_softirq+0xac/0xe0 [ 23.870921][ C3] Preemption disabled at: [ 23.870922][ C3] [] __dev_queue_xmit+0x204/0x1b80 [ 23.870926][ C3] CPU: 3 UID: 0 PID: 71 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.870929][ C3] Tainted: [W]=WARN [ 23.870930][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.870931][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.870934][ C3] Call Trace: [ 23.870935][ C3] [ 23.870936][ C3] dump_stack_lvl+0x6f/0xa0 [ 23.870940][ C3] ? __dev_queue_xmit+0x204/0x1b80 [ 23.870942][ C3] __might_resched.cold+0x1fe/0x2c1 [ 23.870946][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.870950][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870953][ C3] __kmalloc_noprof+0x443/0x760 [ 23.870956][ C3] ? __rwlock_init+0x150/0x150 [ 23.870958][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 23.870962][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 23.870964][ C3] alloc_buf.isra.0+0x4b/0x260 [ 23.870967][ C3] put_chars+0x1e1/0x2f0 [ 23.870970][ C3] ? __send_to_port+0x420/0x420 [ 23.870974][ C3] hvc_console_print+0x292/0x780 [ 23.870977][ C3] ? __lock_acquire+0x388/0xc20 [ 23.870980][ C3] ? hvc_write+0x3a0/0x3a0 [ 23.870983][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.870986][ C3] ? lock_acquire+0x13c/0x160 [ 23.870989][ C3] console_emit_next_record+0x22f/0x4c0 [ 23.870992][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 23.870994][ C3] ? console_flush_one_record+0x106/0x710 [ 23.870997][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871000][ C3] ? lock_acquire+0x13c/0x160 [ 23.871003][ C3] console_flush_one_record+0x46f/0x710 [ 23.871006][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 23.871008][ C3] ? __lock_acquire+0x518/0xc20 [ 23.871012][ C3] console_unlock+0xee/0x1f0 [ 23.871015][ C3] ? console_flush_one_record+0x710/0x710 [ 23.871017][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871019][ C3] ? lock_acquire+0x60/0x160 [ 23.871022][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.871025][ C3] ? vprintk_emit+0x320/0x3e0 [ 23.871028][ C3] vprintk_emit+0x37c/0x3e0 [ 23.871031][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 23.871034][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871037][ C3] _printk+0xc7/0x100 [ 23.871040][ C3] ? snapshot_read.cold+0x21/0x21 [ 23.871042][ C3] ? ___ratelimit+0x4e7/0xa00 [ 23.871045][ C3] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 23.871049][ C3] ? idr_get_free+0x830/0x830 [ 23.871053][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 23.871058][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 23.871062][ C3] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 23.871066][ C3] ? __copy_skb_header+0xb7/0x510 [ 23.871069][ C3] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 23.871073][ C3] ? sock_queue_err_skb+0xb0/0x680 [ 23.871077][ C3] __strp_recv+0x20f/0x1c20 [ 23.871081][ C3] __tcp_read_sock+0x1c7/0x850 [ 23.871084][ C3] ? strp_process+0xb0/0xb0 [ 23.871087][ C3] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 23.871089][ C3] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 23.871091][ C3] ? mark_usage+0x61/0x170 [ 23.871094][ C3] strp_read_sock+0x20f/0x2b0 [ 23.871097][ C3] ? strp_stop+0x50/0x50 [ 23.871100][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871103][ C3] ? lock_acquire+0x13c/0x160 [ 23.871106][ C3] strp_data_ready+0x18e/0x2c0 [ 23.871109][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 23.871113][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 23.871117][ C3] ? __tcp_check_space+0x600/0x600 [ 23.871120][ C3] ? tcp_v4_rcv+0x1a81/0x2b70 [ 23.871123][ C3] ? do_raw_spin_lock+0x131/0x280 [ 23.871126][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 23.871129][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 23.871133][ C3] ? mark_usage+0x61/0x170 [ 23.871135][ C3] ? tcp_add_backlog+0x1e30/0x1e30 [ 23.871138][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.871141][ C3] ? ip_local_deliver_finish+0x2ba/0x610 [ 23.871144][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 23.871147][ C3] ? process_backlog+0x3f1/0x14c0 [ 23.871150][ C3] ip_local_deliver_finish+0x36f/0x610 [ 23.871152][ C3] ip_local_deliver+0x184/0x4c0 [ 23.871155][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 23.871157][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 23.871161][ C3] ? process_backlog+0x3f1/0x14c0 [ 23.871163][ C3] ip_rcv+0xdc/0x3d0 [ 23.871166][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 23.871168][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871171][ C3] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 23.871173][ C3] ? mark_usage+0x61/0x170 [ 23.871176][ C3] ? __lock_acquire+0x518/0xc20 [ 23.871178][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 23.871181][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 23.871184][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.871186][ C3] ? process_backlog+0x3f1/0x14c0 [ 23.871189][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 23.871191][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871195][ C3] process_backlog+0x431/0x14c0 [ 23.871199][ C3] __napi_poll+0xa7/0x3b0 [ 23.871202][ C3] net_rx_action+0x513/0xf50 [ 23.871206][ C3] ? __lock_acquire+0x518/0xc20 [ 23.871208][ C3] ? __napi_poll+0x3b0/0x3b0 [ 23.871213][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 23.871216][ C3] ? mark_held_locks+0x40/0x70 [ 23.871218][ C3] handle_softirqs+0x1d3/0x900 [ 23.871222][ C3] ? _local_bh_enable+0xc0/0xc0 [ 23.871224][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 23.871226][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871229][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 23.871232][ C3] do_softirq+0xac/0xe0 [ 23.871234][ C3] [ 23.871235][ C3] [ 23.871236][ C3] __local_bh_enable_ip+0x118/0x150 [ 23.871238][ C3] __dev_queue_xmit+0x979/0x1b80 [ 23.871241][ C3] ? __lock_acquire+0x518/0xc20 [ 23.871243][ C3] ? do_ipv6_getsockopt+0x1930/0x2e80 [ 23.871246][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 23.871249][ C3] ? find_held_lock+0x2b/0x80 [ 23.871251][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871253][ C3] ? __rwlock_init+0x150/0x150 [ 23.871255][ C3] ? mark_held_locks+0x40/0x70 [ 23.871258][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 23.871260][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.871262][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.871264][ C3] ? ___neigh_create+0x811/0x1070 [ 23.871268][ C3] ip6_finish_output2+0x423/0x12a0 [ 23.871271][ C3] ? ip6_dst_lookup+0x80/0x80 [ 23.871273][ C3] ? find_held_lock+0x2b/0x80 [ 23.871276][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871278][ C3] ? ip6_mtu+0x15d/0x310 [ 23.871287][ C3] ip6_finish_output+0x646/0xda0 [ 23.871290][ C3] ip6_output+0x23f/0x7f0 [ 23.871292][ C3] ? ip6_finish_output+0xda0/0xda0 [ 23.871294][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.871297][ C3] ? find_held_lock+0x2b/0x80 [ 23.871299][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871301][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.871304][ C3] ndisc_send_skb+0xba3/0x1520 [ 23.871307][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 23.871311][ C3] ? ndisc_alloc_skb+0x2da/0x490 [ 23.871312][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 23.871315][ C3] addrconf_dad_completed+0x37e/0xe10 [ 23.871319][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.871321][ C3] ? addrconf_rs_timer+0x770/0x770 [ 23.871324][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871326][ C3] ? __rwlock_init+0x150/0x150 [ 23.871328][ C3] ? mark_held_locks+0x40/0x70 [ 23.871331][ C3] ? addrconf_dad_begin+0x2e1/0x540 [ 23.871333][ C3] addrconf_dad_begin+0x2e1/0x540 [ 23.871336][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.871338][ C3] ? addrconf_dad_completed+0xe10/0xe10 [ 23.871341][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 23.871343][ C3] ? __rwlock_init+0x150/0x150 [ 23.871345][ C3] ? mark_held_locks+0x40/0x70 [ 23.871348][ C3] addrconf_dad_work+0x170/0x930 [ 23.871351][ C3] ? addrconf_dad_begin+0x540/0x540 [ 23.871354][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871356][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871359][ C3] ? lock_acquire+0x13c/0x160 [ 23.871361][ C3] ? rcu_is_watching+0x16/0xd0 [ 23.871364][ C3] process_one_work+0xe3e/0x1560 [ 23.871368][ C3] ? __queue_delayed_work+0x470/0x470 [ 23.871371][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 23.871376][ C3] worker_thread+0x4f1/0xd60 [ 23.871379][ C3] ? rescuer_thread+0x1340/0x1340 [ 23.871381][ C3] ? __kthread_parkme+0xbd/0x210 [ 23.871384][ C3] ? rescuer_thread+0x1340/0x1340 [ 23.871386][ C3] ? rescuer_thread+0x1340/0x1340 [ 23.871389][ C3] kthread+0x367/0x460 [ 23.871391][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.871393][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.871395][ C3] ret_from_fork+0x474/0x6b0 [ 23.871398][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.871401][ C3] ? __switch_to+0x5a3/0xe00 [ 23.871404][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.871406][ C3] ret_from_fork_asm+0x11/0x20 [ 23.871411][ C3] [ 24.114990][ C3] tun0: no available key for peer 3, key-id: 0 [ 24.170014][ C3] tun0: no available key for peer 4, key-id: 0 [ 33.829801][ T611] iperf3 (611) used greatest stack depth: 23128 bytes left [ 33.829819][ T611] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.829822][ T611] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 611, name: iperf3 [ 33.829823][ T611] preempt_count: 2, expected: 0 [ 33.829824][ T611] RCU nest depth: 0, expected: 0 [ 33.829825][ T611] INFO: lockdep is turned off. [ 33.829827][ T611] irq event stamp: 0 [ 33.829827][ T611] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.829832][ T611] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 33.829839][ T611] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 33.829840][ T611] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.829842][ T611] Preemption disabled at: [ 33.829843][ T611] [<0000000000000000>] 0x0 [ 33.829848][ T611] CPU: 1 UID: 0 PID: 611 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.829851][ T611] Tainted: [W]=WARN [ 33.829852][ T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.829854][ T611] Call Trace: [ 33.829856][ T611] [ 33.829857][ T611] dump_stack_lvl+0x6f/0xa0 [ 33.829862][ T611] __might_resched.cold+0x1fe/0x2c1 [ 33.829866][ T611] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.829870][ T611] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 33.829872][ T611] ? rcu_is_watching+0x16/0xd0 [ 33.829877][ T611] __kmalloc_noprof+0x443/0x760 [ 33.829880][ T611] ? __rwlock_init+0x150/0x150 [ 33.829883][ T611] ? alloc_buf.isra.0+0x4b/0x260 [ 33.829887][ T611] ? do_raw_spin_unlock+0x59/0x250 [ 33.829889][ T611] alloc_buf.isra.0+0x4b/0x260 [ 33.829891][ T611] put_chars+0x1e1/0x2f0 [ 33.829893][ T611] ? prb_final_commit+0x50/0x50 [ 33.829894][ T611] ? __send_to_port+0x420/0x420 [ 33.829896][ T611] ? printk_get_next_message+0x240/0x650 [ 33.829899][ T611] hvc_console_print+0x292/0x780 [ 33.829903][ T611] ? hvc_write+0x3a0/0x3a0 [ 33.829904][ T611] ? do_raw_spin_lock+0x131/0x280 [ 33.829905][ T611] ? vsnprintf+0x668/0x1700 [ 33.829908][ T611] ? __rwlock_init+0x150/0x150 [ 33.829910][ T611] ? rcu_is_watching+0x16/0xd0 [ 33.829911][ T611] ? lock_acquire+0x13c/0x160 [ 33.829914][ T611] console_emit_next_record+0x22f/0x4c0 [ 33.829916][ T611] ? devkmsg_read+0x4b0/0x4b0 [ 33.829918][ T611] ? rcu_is_watching+0x16/0xd0 [ 33.829920][ T611] ? rcu_is_watching+0x16/0xd0 [ 33.829921][ T611] ? rcu_is_watching+0x16/0xd0 [ 33.829923][ T611] ? lock_acquire+0x13c/0x160 [ 33.829925][ T611] ? console_flush_one_record+0x111/0x710 [ 33.829927][ T611] console_flush_one_record+0x46f/0x710 [ 33.829929][ T611] ? console_emit_next_record+0x4c0/0x4c0 [ 33.829932][ T611] console_unlock+0xee/0x1f0 [ 33.829933][ T611] ? lock_acquire+0x13c/0x160 [ 33.829935][ T611] ? console_flush_one_record+0x710/0x710 [ 33.829936][ T611] ? rcu_is_watching+0x16/0xd0 [ 33.829938][ T611] ? lock_release+0x184/0x1f0 [ 33.829939][ T611] ? lock_acquire+0x60/0x160 [ 33.829941][ T611] ? __rcu_read_lock+0x30/0x70 [ 33.829943][ T611] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.829944][ T611] ? vprintk_emit+0x320/0x3e0 [ 33.829947][ T611] vprintk_emit+0x37c/0x3e0 [ 33.829949][ T611] ? wake_up_klogd_work_func+0x90/0x90 [ 33.829951][ T611] _printk+0xc7/0x100 [ 33.829955][ T611] ? snapshot_read.cold+0x21/0x21 [ 33.829956][ T611] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.829959][ T611] ? do_raw_spin_lock+0x131/0x280 [ 33.829960][ T611] ? __rwlock_init+0x150/0x150 [ 33.829962][ T611] ? do_raw_spin_lock+0x131/0x280 [ 33.829964][ T611] do_exit.cold+0x82/0x9c [ 33.829967][ T611] ? exit_notify+0x890/0x890 [ 33.829969][ T611] __x64_sys_exit+0x42/0x50 [ 33.829971][ T611] x64_sys_call+0x156c/0x1570 [ 33.829973][ T611] do_syscall_64+0xff/0x530 [ 33.829976][ T611] ? exc_page_fault+0xee/0x100 [ 33.829977][ T611] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.829979][ T611] RIP: 0033:0x7ff20527dc49 [ 33.829981][ T611] Code: Unable to access opcode bytes at 0x7ff20527dc1f. [ 33.829982][ T611] RSP: 002b:00007ff204a3ce60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 33.829986][ T611] RAX: ffffffffffffffda RBX: 00007ff204a3d6c0 RCX: 00007ff20527dc49 [ 33.829987][ T611] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 33.829988][ T611] RBP: 00007ff204a3cf70 R08: 0000000000000001 R09: 00007ff204a3d6c0 [ 33.829989][ T611] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ff20423d000 [ 33.829989][ T611] R13: 00007fff8dde4e60 R14: 0000000000000002 R15: 00007fff8dde4f67 [ 33.829992][ T611] [ 35.330848][ T705] tun0: deleting peer with id 1, reason 1 [ 35.330865][ T705] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.330867][ T705] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 705, name: ovpn-cli [ 35.330869][ T705] preempt_count: 202, expected: 0 [ 35.330870][ T705] RCU nest depth: 0, expected: 0 [ 35.330871][ T705] INFO: lockdep is turned off. [ 35.330872][ T705] irq event stamp: 0 [ 35.330872][ T705] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.330877][ T705] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 35.330883][ T705] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 35.330885][ T705] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.330887][ T705] Preemption disabled at: [ 35.330887][ T705] [<0000000000000000>] 0x0 [ 35.330892][ T705] CPU: 0 UID: 0 PID: 705 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.330896][ T705] Tainted: [W]=WARN [ 35.330897][ T705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.330899][ T705] Call Trace: [ 35.330900][ T705] [ 35.330901][ T705] dump_stack_lvl+0x6f/0xa0 [ 35.330907][ T705] __might_resched.cold+0x1fe/0x2c1 [ 35.330911][ T705] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.330915][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.330919][ T705] __kmalloc_noprof+0x443/0x760 [ 35.330923][ T705] ? __rwlock_init+0x150/0x150 [ 35.330926][ T705] ? alloc_buf.isra.0+0x4b/0x260 [ 35.330930][ T705] ? do_raw_spin_unlock+0x59/0x250 [ 35.330932][ T705] alloc_buf.isra.0+0x4b/0x260 [ 35.330934][ T705] put_chars+0x1e1/0x2f0 [ 35.330936][ T705] ? __send_to_port+0x420/0x420 [ 35.330938][ T705] ? printk_get_next_message+0x240/0x650 [ 35.330941][ T705] hvc_console_print+0x292/0x780 [ 35.330945][ T705] ? hvc_write+0x3a0/0x3a0 [ 35.330947][ T705] ? __rwlock_init+0x150/0x150 [ 35.330948][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.330950][ T705] ? lock_acquire+0x13c/0x160 [ 35.330953][ T705] console_emit_next_record+0x22f/0x4c0 [ 35.330955][ T705] ? devkmsg_read+0x4b0/0x4b0 [ 35.330957][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.330959][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.330961][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.330962][ T705] ? lock_acquire+0x13c/0x160 [ 35.330964][ T705] ? console_flush_one_record+0x111/0x710 [ 35.330966][ T705] console_flush_one_record+0x46f/0x710 [ 35.330969][ T705] ? console_emit_next_record+0x4c0/0x4c0 [ 35.330971][ T705] console_unlock+0xee/0x1f0 [ 35.330973][ T705] ? lock_acquire+0x13c/0x160 [ 35.330975][ T705] ? console_flush_one_record+0x710/0x710 [ 35.330976][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.330978][ T705] ? lock_release+0x184/0x1f0 [ 35.330979][ T705] ? lock_acquire+0x60/0x160 [ 35.330981][ T705] ? __rcu_read_lock+0x30/0x70 [ 35.330983][ T705] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.330985][ T705] ? vprintk_emit+0x320/0x3e0 [ 35.330987][ T705] vprintk_emit+0x37c/0x3e0 [ 35.330990][ T705] ? wake_up_klogd_work_func+0x90/0x90 [ 35.330992][ T705] ? kernel_text_address+0x149/0x170 [ 35.330994][ T705] ? __kernel_text_address+0x12/0x30 [ 35.330995][ T705] ? write_profile+0xf0/0xf0 [ 35.330998][ T705] ? unwind_get_return_address+0x67/0xd0 [ 35.331001][ T705] _printk+0xc7/0x100 [ 35.331004][ T705] ? snapshot_read.cold+0x21/0x21 [ 35.331006][ T705] ? netdev_name+0x43/0x60 [ 35.331009][ T705] ? __netdev_printk+0x17f/0x1d0 [ 35.331010][ T705] netdev_info+0xe2/0x116 [ 35.331012][ T705] ? netdev_notice+0x120/0x120 [ 35.331014][ T705] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 35.331020][ T705] ? __module_address+0x36/0x330 [ 35.331023][ T705] ? lock_acquire+0x13c/0x160 [ 35.331024][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331026][ T705] ? lock_release+0x184/0x1f0 [ 35.331028][ T705] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 35.331032][ T705] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 35.331036][ T705] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 35.331039][ T705] ? lock_acquire+0x13c/0x160 [ 35.331040][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331042][ T705] ? lock_release+0x184/0x1f0 [ 35.331044][ T705] ovpn_peer_remove+0x394/0x640 [ovpn] [ 35.331047][ T705] ? do_raw_spin_lock+0x131/0x280 [ 35.331049][ T705] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 35.331052][ T705] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 35.331055][ T705] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 35.331059][ T705] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 35.331062][ T705] ? trace_hardirqs_on+0x36/0x40 [ 35.331065][ T705] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.331067][ T705] ? ref_tracker_alloc+0x28d/0x430 [ 35.331073][ T705] ? lock_release+0x184/0x1f0 [ 35.331074][ T705] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 35.331078][ T705] genl_family_rcv_msg_doit+0x206/0x300 [ 35.331082][ T705] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 35.331084][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331087][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331089][ T705] ? cap_capable+0x1d7/0x3d0 [ 35.331092][ T705] ? write_profile+0xf0/0xf0 [ 35.331093][ T705] ? unwind_get_return_address+0x67/0xd0 [ 35.331095][ T705] genl_family_rcv_msg+0x3a4/0x640 [ 35.331098][ T705] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 35.331100][ T705] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 35.331102][ T705] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 35.331105][ T705] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 35.331107][ T705] ? filter_irq_stacks+0xd0/0xd0 [ 35.331109][ T705] ? stack_depot_save_flags+0x1bc/0x790 [ 35.331111][ T705] genl_rcv_msg+0xbb/0x160 [ 35.331114][ T705] netlink_rcv_skb+0x14e/0x3a0 [ 35.331116][ T705] ? genl_family_rcv_msg+0x640/0x640 [ 35.331118][ T705] ? netlink_ack+0xcf0/0xcf0 [ 35.331121][ T705] ? lock_acquire+0x13c/0x160 [ 35.331122][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331124][ T705] ? lock_release+0x184/0x1f0 [ 35.331126][ T705] genl_rcv+0x28/0x40 [ 35.331128][ T705] netlink_unicast+0x486/0x750 [ 35.331130][ T705] ? netlink_attachskb+0x810/0x810 [ 35.331132][ T705] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.331134][ T705] ? trace_hardirqs_on+0x36/0x40 [ 35.331135][ T705] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 35.331138][ T705] netlink_sendmsg+0x735/0xc60 [ 35.331141][ T705] ? netlink_unicast+0x750/0x750 [ 35.331143][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331145][ T705] ? lock_release+0x184/0x1f0 [ 35.331147][ T705] ____sys_sendmsg+0x415/0x880 [ 35.331150][ T705] ? copy_msghdr_from_user+0x279/0x420 [ 35.331152][ T705] ? get_timestamp.constprop.0+0x390/0x390 [ 35.331153][ T705] ? move_addr_to_kernel+0x40/0x40 [ 35.331156][ T705] ___sys_sendmsg+0x14e/0x1d0 [ 35.331158][ T705] ? copy_msghdr_from_user+0x420/0x420 [ 35.331160][ T705] ? kfree+0x22/0x590 [ 35.331165][ T705] __sys_sendmsg+0x12c/0x1d0 [ 35.331167][ T705] ? __sys_sendmsg_sock+0x20/0x20 [ 35.331170][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331172][ T705] ? rcu_is_watching+0x16/0xd0 [ 35.331174][ T705] do_syscall_64+0xff/0x530 [ 35.331177][ T705] ? exc_page_fault+0xee/0x100 [ 35.331179][ T705] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.331181][ T705] RIP: 0033:0x7f750405354e [ 35.331183][ T705] 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 [ 35.331185][ T705] RSP: 002b:00007fff068a1e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.331189][ T705] RAX: ffffffffffffffda RBX: 0000000027ea1130 RCX: 00007f750405354e [ 35.331190][ T705] RDX: 0000000000000000 RSI: 00007fff068a1f00 RDI: 0000000000000005 [ 35.331191][ T705] RBP: 00007fff068a1e70 R08: 0000000000000000 R09: 0000000000000000 [ 35.331192][ T705] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000027ea1200 [ 35.331193][ T705] R13: 00007fff068a1f00 R14: 0000000027ea2260 R15: 000000000040bda8 [ 35.331195][ T705] [ 35.445366][ T709] tun1: deleting peer with id 1, reason 1 [ 38.151567][ T757] tun0: deleting peer with id 2, reason 1 [ 38.151587][ T757] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.151590][ T757] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 757, name: ovpn-cli [ 38.151592][ T757] preempt_count: 202, expected: 0 [ 38.151593][ T757] RCU nest depth: 0, expected: 0 [ 38.151595][ T757] INFO: lockdep is turned off. [ 38.151596][ T757] irq event stamp: 0 [ 38.151597][ T757] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.151603][ T757] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 38.151610][ T757] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 38.151612][ T757] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.151615][ T757] Preemption disabled at: [ 38.151616][ T757] [<0000000000000000>] 0x0 [ 38.151622][ T757] CPU: 0 UID: 0 PID: 757 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.151627][ T757] Tainted: [W]=WARN [ 38.151629][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.151631][ T757] Call Trace: [ 38.151633][ T757] [ 38.151635][ T757] dump_stack_lvl+0x6f/0xa0 [ 38.151641][ T757] __might_resched.cold+0x1fe/0x2c1 [ 38.151646][ T757] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.151650][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151655][ T757] __kmalloc_noprof+0x443/0x760 [ 38.151659][ T757] ? __rwlock_init+0x150/0x150 [ 38.151663][ T757] ? alloc_buf.isra.0+0x4b/0x260 [ 38.151668][ T757] ? do_raw_spin_unlock+0x59/0x250 [ 38.151670][ T757] alloc_buf.isra.0+0x4b/0x260 [ 38.151673][ T757] put_chars+0x1e1/0x2f0 [ 38.151676][ T757] ? __send_to_port+0x420/0x420 [ 38.151679][ T757] ? printk_get_next_message+0x240/0x650 [ 38.151684][ T757] hvc_console_print+0x292/0x780 [ 38.151689][ T757] ? hvc_write+0x3a0/0x3a0 [ 38.151691][ T757] ? __rwlock_init+0x150/0x150 [ 38.151694][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151696][ T757] ? lock_acquire+0x13c/0x160 [ 38.151699][ T757] console_emit_next_record+0x22f/0x4c0 [ 38.151703][ T757] ? devkmsg_read+0x4b0/0x4b0 [ 38.151706][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151708][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151711][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151713][ T757] ? lock_acquire+0x13c/0x160 [ 38.151716][ T757] ? console_flush_one_record+0x111/0x710 [ 38.151719][ T757] console_flush_one_record+0x46f/0x710 [ 38.151722][ T757] ? console_emit_next_record+0x4c0/0x4c0 [ 38.151726][ T757] console_unlock+0xee/0x1f0 [ 38.151729][ T757] ? lock_acquire+0x13c/0x160 [ 38.151731][ T757] ? console_flush_one_record+0x710/0x710 [ 38.151733][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151736][ T757] ? lock_release+0x184/0x1f0 [ 38.151738][ T757] ? lock_acquire+0x60/0x160 [ 38.151740][ T757] ? __rcu_read_lock+0x30/0x70 [ 38.151743][ T757] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.151746][ T757] ? vprintk_emit+0x320/0x3e0 [ 38.151748][ T757] vprintk_emit+0x37c/0x3e0 [ 38.151752][ T757] ? wake_up_klogd_work_func+0x90/0x90 [ 38.151754][ T757] ? kernel_text_address+0x149/0x170 [ 38.151757][ T757] ? __kernel_text_address+0x12/0x30 [ 38.151759][ T757] ? write_profile+0xf0/0xf0 [ 38.151762][ T757] ? unwind_get_return_address+0x67/0xd0 [ 38.151766][ T757] _printk+0xc7/0x100 [ 38.151770][ T757] ? snapshot_read.cold+0x21/0x21 [ 38.151773][ T757] ? netdev_name+0x43/0x60 [ 38.151777][ T757] ? __netdev_printk+0x17f/0x1d0 [ 38.151780][ T757] netdev_info+0xe2/0x116 [ 38.151782][ T757] ? netdev_notice+0x120/0x120 [ 38.151784][ T757] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 38.151792][ T757] ? __module_address+0x36/0x330 [ 38.151796][ T757] ? lock_acquire+0x13c/0x160 [ 38.151798][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151801][ T757] ? lock_release+0x184/0x1f0 [ 38.151804][ T757] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 38.151809][ T757] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 38.151815][ T757] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 38.151820][ T757] ? lock_acquire+0x13c/0x160 [ 38.151822][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151825][ T757] ? lock_release+0x184/0x1f0 [ 38.151828][ T757] ovpn_peer_remove+0x394/0x640 [ovpn] [ 38.151833][ T757] ? do_raw_spin_lock+0x131/0x280 [ 38.151835][ T757] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 38.151843][ T757] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 38.151849][ T757] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 38.151854][ T757] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 38.151859][ T757] ? trace_hardirqs_on+0x36/0x40 [ 38.151863][ T757] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 38.151867][ T757] ? ref_tracker_alloc+0x28d/0x430 [ 38.151874][ T757] ? lock_release+0x184/0x1f0 [ 38.151877][ T757] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 38.151882][ T757] genl_family_rcv_msg_doit+0x206/0x300 [ 38.151888][ T757] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 38.151891][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151895][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151898][ T757] ? cap_capable+0x1d7/0x3d0 [ 38.151902][ T757] ? write_profile+0xf0/0xf0 [ 38.151904][ T757] ? unwind_get_return_address+0x67/0xd0 [ 38.151907][ T757] genl_family_rcv_msg+0x3a4/0x640 [ 38.151910][ T757] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 38.151913][ T757] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 38.151917][ T757] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 38.151921][ T757] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 38.151926][ T757] ? filter_irq_stacks+0xd0/0xd0 [ 38.151927][ T757] ? stack_depot_save_flags+0x1bc/0x790 [ 38.151930][ T757] genl_rcv_msg+0xbb/0x160 [ 38.151933][ T757] netlink_rcv_skb+0x14e/0x3a0 [ 38.151936][ T757] ? genl_family_rcv_msg+0x640/0x640 [ 38.151939][ T757] ? netlink_ack+0xcf0/0xcf0 [ 38.151943][ T757] ? lock_acquire+0x13c/0x160 [ 38.151945][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151947][ T757] ? lock_release+0x184/0x1f0 [ 38.151950][ T757] genl_rcv+0x28/0x40 [ 38.151953][ T757] netlink_unicast+0x486/0x750 [ 38.151956][ T757] ? netlink_attachskb+0x810/0x810 [ 38.151958][ T757] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.151961][ T757] ? trace_hardirqs_on+0x36/0x40 [ 38.151962][ T757] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 38.151967][ T757] netlink_sendmsg+0x735/0xc60 [ 38.151971][ T757] ? netlink_unicast+0x750/0x750 [ 38.151974][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.151977][ T757] ? lock_release+0x184/0x1f0 [ 38.151979][ T757] ____sys_sendmsg+0x415/0x880 [ 38.151983][ T757] ? copy_msghdr_from_user+0x279/0x420 [ 38.151986][ T757] ? get_timestamp.constprop.0+0x390/0x390 [ 38.151988][ T757] ? move_addr_to_kernel+0x40/0x40 [ 38.151993][ T757] ___sys_sendmsg+0x14e/0x1d0 [ 38.151996][ T757] ? copy_msghdr_from_user+0x420/0x420 [ 38.151998][ T757] ? kfree+0x22/0x590 [ 38.152006][ T757] __sys_sendmsg+0x12c/0x1d0 [ 38.152009][ T757] ? __sys_sendmsg_sock+0x20/0x20 [ 38.152013][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.152016][ T757] ? rcu_is_watching+0x16/0xd0 [ 38.152019][ T757] do_syscall_64+0xff/0x530 [ 38.152022][ T757] ? exc_page_fault+0xee/0x100 [ 38.152025][ T757] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.152028][ T757] RIP: 0033:0x7ff52f99a54e [ 38.152030][ T757] 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 [ 38.152032][ T757] RSP: 002b:00007ffe66ff4af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.152037][ T757] RAX: ffffffffffffffda RBX: 000000001fab7130 RCX: 00007ff52f99a54e [ 38.152039][ T757] RDX: 0000000000000000 RSI: 00007ffe66ff4b90 RDI: 0000000000000005 [ 38.152040][ T757] RBP: 00007ffe66ff4b00 R08: 0000000000000000 R09: 0000000000000000 [ 38.152041][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001fab7200 [ 38.152042][ T757] R13: 00007ffe66ff4b90 R14: 000000001fab8260 R15: 000000000040bda8 [ 38.152046][ T757] [ 38.258768][ T761] tun2: deleting peer with id 2, reason 1 [ 43.121257][ T50] tun0: deleting peer with id 4, reason 2 [ 43.121278][ T50] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 43.121281][ T50] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 50, name: kworker/1:1 [ 43.121283][ T50] preempt_count: 202, expected: 0 [ 43.121284][ T50] RCU nest depth: 0, expected: 0 [ 43.121285][ T50] INFO: lockdep is turned off. [ 43.121286][ T50] irq event stamp: 1085072 [ 43.121287][ T50] hardirqs last enabled at (1085071): [] _raw_spin_unlock_irq+0x28/0x50 [ 43.121294][ T50] hardirqs last disabled at (1085072): [] __schedule+0x1246/0x20e0 [ 43.121297][ T50] softirqs last enabled at (1084478): [] handle_softirqs+0x67c/0x900 [ 43.121301][ T50] softirqs last disabled at (1084469): [] __irq_exit_rcu+0x145/0x1c0 [ 43.121303][ T50] Preemption disabled at: [ 43.121304][ T50] [<0000000000000000>] 0x0 [ 43.121311][ T50] CPU: 1 UID: 0 PID: 50 Comm: kworker/1:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 43.121315][ T50] Tainted: [W]=WARN [ 43.121316][ T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.121319][ T50] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.121329][ T50] Call Trace: [ 43.121331][ T50] [ 43.121333][ T50] dump_stack_lvl+0x6f/0xa0 [ 43.121339][ T50] __might_resched.cold+0x1fe/0x2c1 [ 43.121343][ T50] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 43.121346][ T50] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 43.121349][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121353][ T50] __kmalloc_noprof+0x443/0x760 [ 43.121357][ T50] ? __rwlock_init+0x150/0x150 [ 43.121359][ T50] ? alloc_buf.isra.0+0x4b/0x260 [ 43.121363][ T50] ? do_raw_spin_unlock+0x59/0x250 [ 43.121364][ T50] alloc_buf.isra.0+0x4b/0x260 [ 43.121367][ T50] put_chars+0x1e1/0x2f0 [ 43.121369][ T50] ? prb_final_commit+0x50/0x50 [ 43.121370][ T50] ? __send_to_port+0x420/0x420 [ 43.121372][ T50] ? printk_get_next_message+0x240/0x650 [ 43.121375][ T50] hvc_console_print+0x292/0x780 [ 43.121385][ T50] ? hvc_write+0x3a0/0x3a0 [ 43.121386][ T50] ? do_raw_spin_lock+0x131/0x280 [ 43.121388][ T50] ? vsnprintf+0x527/0x1700 [ 43.121390][ T50] ? __rwlock_init+0x150/0x150 [ 43.121391][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121393][ T50] ? lock_acquire+0x13c/0x160 [ 43.121395][ T50] console_emit_next_record+0x22f/0x4c0 [ 43.121398][ T50] ? devkmsg_read+0x4b0/0x4b0 [ 43.121400][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121402][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121403][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121405][ T50] ? lock_acquire+0x13c/0x160 [ 43.121407][ T50] ? console_flush_one_record+0x111/0x710 [ 43.121409][ T50] console_flush_one_record+0x46f/0x710 [ 43.121411][ T50] ? console_emit_next_record+0x4c0/0x4c0 [ 43.121413][ T50] console_unlock+0xee/0x1f0 [ 43.121415][ T50] ? lock_acquire+0x13c/0x160 [ 43.121417][ T50] ? console_flush_one_record+0x710/0x710 [ 43.121418][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121420][ T50] ? lock_release+0x184/0x1f0 [ 43.121421][ T50] ? lock_acquire+0x60/0x160 [ 43.121423][ T50] ? __rcu_read_lock+0x30/0x70 [ 43.121425][ T50] ? __down_trylock_console_sem+0x5e/0xa0 [ 43.121426][ T50] ? vprintk_emit+0x320/0x3e0 [ 43.121428][ T50] vprintk_emit+0x37c/0x3e0 [ 43.121431][ T50] ? wake_up_klogd_work_func+0x90/0x90 [ 43.121433][ T50] ? arch_stack_walk+0xd7/0x130 [ 43.121436][ T50] _printk+0xc7/0x100 [ 43.121439][ T50] ? snapshot_read.cold+0x21/0x21 [ 43.121441][ T50] ? stack_trace_save+0x93/0xc0 [ 43.121444][ T50] ? filter_irq_stacks+0xd0/0xd0 [ 43.121445][ T50] ? netdev_name+0x43/0x60 [ 43.121447][ T50] ? __netdev_printk+0x17f/0x1d0 [ 43.121449][ T50] netdev_info+0xe2/0x116 [ 43.121451][ T50] ? netdev_notice+0x120/0x120 [ 43.121452][ T50] ? kasan_save_track+0x14/0x30 [ 43.121455][ T50] ? kmem_cache_free+0xf8/0x550 [ 43.121456][ T50] ? free_object_list.isra.0+0x1b6/0x310 [ 43.121460][ T50] ? kthread+0x367/0x460 [ 43.121463][ T50] ? ret_from_fork+0x474/0x6b0 [ 43.121464][ T50] ? ret_from_fork_asm+0x11/0x20 [ 43.121467][ T50] ? trace_irq_enable.constprop.0+0x30/0x160 [ 43.121469][ T50] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 43.121474][ T50] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 43.121476][ T50] ? __rwlock_init+0x150/0x150 [ 43.121478][ T50] ? lock_acquire+0x13c/0x160 [ 43.121479][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121481][ T50] ovpn_peer_remove+0x394/0x640 [ovpn] [ 43.121485][ T50] ? do_raw_spin_lock+0x131/0x280 [ 43.121487][ T50] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 43.121489][ T50] ? __rwlock_init+0x150/0x150 [ 43.121491][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121493][ T50] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 43.121494][ T50] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 43.121495][ T50] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 43.121498][ T50] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 43.121501][ T50] ? __rwlock_init+0x150/0x150 [ 43.121503][ T50] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 43.121506][ T50] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 43.121509][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121510][ T50] ? lock_acquire+0x13c/0x160 [ 43.121512][ T50] ? rcu_is_watching+0x16/0xd0 [ 43.121514][ T50] process_one_work+0xe3e/0x1560 [ 43.121518][ T50] ? __queue_delayed_work+0x470/0x470 [ 43.121521][ T50] ? __rwlock_init+0x150/0x150 [ 43.121523][ T50] worker_thread+0x4f1/0xd60 [ 43.121525][ T50] ? rescuer_thread+0x1340/0x1340 [ 43.121527][ T50] ? __kthread_parkme+0xbd/0x210 [ 43.121529][ T50] ? rescuer_thread+0x1340/0x1340 [ 43.121531][ T50] ? rescuer_thread+0x1340/0x1340 [ 43.121533][ T50] kthread+0x367/0x460 [ 43.121535][ T50] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 43.121536][ T50] ? kthread_affine_preferred+0x4c0/0x4c0 [ 43.121537][ T50] ret_from_fork+0x474/0x6b0 [ 43.121539][ T50] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 43.121541][ T50] ? __switch_to+0x5a3/0xe00 [ 43.121543][ T50] ? kthread_affine_preferred+0x4c0/0x4c0 [ 43.121545][ T50] ret_from_fork_asm+0x11/0x20 [ 43.121548][ T50] [ 43.135998][ T50] tun0: deleting peer with id 3, reason 2 [ 43.136171][ T50] tun0: deleting peer with id 5, reason 2 [ 44.145258][ T50] tun0: deleting peer with id 6, reason 2 [ 44.145280][ T50] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 44.145283][ T50] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 50, name: kworker/1:1 [ 44.145285][ T50] preempt_count: 202, expected: 0 [ 44.145287][ T50] RCU nest depth: 0, expected: 0 [ 44.145288][ T50] INFO: lockdep is turned off. [ 44.145290][ T50] irq event stamp: 1085072 [ 44.145291][ T50] hardirqs last enabled at (1085071): [] _raw_spin_unlock_irq+0x28/0x50 [ 44.145300][ T50] hardirqs last disabled at (1085072): [] __schedule+0x1246/0x20e0 [ 44.145304][ T50] softirqs last enabled at (1084478): [] handle_softirqs+0x67c/0x900 [ 44.145309][ T50] softirqs last disabled at (1084469): [] __irq_exit_rcu+0x145/0x1c0 [ 44.145312][ T50] Preemption disabled at: [ 44.145313][ T50] [<0000000000000000>] 0x0 [ 44.145321][ T50] CPU: 1 UID: 0 PID: 50 Comm: kworker/1:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 44.145326][ T50] Tainted: [W]=WARN [ 44.145327][ T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.145330][ T50] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.145342][ T50] Call Trace: [ 44.145344][ T50] [ 44.145347][ T50] dump_stack_lvl+0x6f/0xa0 [ 44.145354][ T50] __might_resched.cold+0x1fe/0x2c1 [ 44.145359][ T50] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 44.145362][ T50] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 44.145366][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145371][ T50] __kmalloc_noprof+0x443/0x760 [ 44.145376][ T50] ? __rwlock_init+0x150/0x150 [ 44.145379][ T50] ? alloc_buf.isra.0+0x4b/0x260 [ 44.145391][ T50] ? do_raw_spin_unlock+0x59/0x250 [ 44.145393][ T50] alloc_buf.isra.0+0x4b/0x260 [ 44.145396][ T50] put_chars+0x1e1/0x2f0 [ 44.145399][ T50] ? prb_final_commit+0x50/0x50 [ 44.145401][ T50] ? __send_to_port+0x420/0x420 [ 44.145404][ T50] ? printk_get_next_message+0x240/0x650 [ 44.145408][ T50] hvc_console_print+0x292/0x780 [ 44.145413][ T50] ? hvc_write+0x3a0/0x3a0 [ 44.145415][ T50] ? do_raw_spin_lock+0x131/0x280 [ 44.145417][ T50] ? vsnprintf+0x527/0x1700 [ 44.145420][ T50] ? __rwlock_init+0x150/0x150 [ 44.145423][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145426][ T50] ? lock_acquire+0x13c/0x160 [ 44.145429][ T50] console_emit_next_record+0x22f/0x4c0 [ 44.145433][ T50] ? devkmsg_read+0x4b0/0x4b0 [ 44.145436][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145438][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145440][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145443][ T50] ? lock_acquire+0x13c/0x160 [ 44.145446][ T50] ? console_flush_one_record+0x111/0x710 [ 44.145448][ T50] console_flush_one_record+0x46f/0x710 [ 44.145451][ T50] ? console_emit_next_record+0x4c0/0x4c0 [ 44.145455][ T50] console_unlock+0xee/0x1f0 [ 44.145458][ T50] ? lock_acquire+0x13c/0x160 [ 44.145460][ T50] ? console_flush_one_record+0x710/0x710 [ 44.145462][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145465][ T50] ? lock_release+0x184/0x1f0 [ 44.145467][ T50] ? lock_acquire+0x60/0x160 [ 44.145469][ T50] ? __rcu_read_lock+0x30/0x70 [ 44.145472][ T50] ? __down_trylock_console_sem+0x5e/0xa0 [ 44.145474][ T50] ? vprintk_emit+0x320/0x3e0 [ 44.145477][ T50] vprintk_emit+0x37c/0x3e0 [ 44.145480][ T50] ? wake_up_klogd_work_func+0x90/0x90 [ 44.145483][ T50] ? arch_stack_walk+0xd7/0x130 [ 44.145488][ T50] _printk+0xc7/0x100 [ 44.145491][ T50] ? snapshot_read.cold+0x21/0x21 [ 44.145494][ T50] ? stack_trace_save+0x93/0xc0 [ 44.145498][ T50] ? filter_irq_stacks+0xd0/0xd0 [ 44.145500][ T50] ? netdev_name+0x43/0x60 [ 44.145503][ T50] ? __netdev_printk+0x17f/0x1d0 [ 44.145506][ T50] netdev_info+0xe2/0x116 [ 44.145509][ T50] ? netdev_notice+0x120/0x120 [ 44.145510][ T50] ? kasan_save_track+0x14/0x30 [ 44.145515][ T50] ? kmem_cache_free+0xf8/0x550 [ 44.145517][ T50] ? free_object_list.isra.0+0x1b6/0x310 [ 44.145521][ T50] ? kthread+0x367/0x460 [ 44.145525][ T50] ? ret_from_fork+0x474/0x6b0 [ 44.145527][ T50] ? ret_from_fork_asm+0x11/0x20 [ 44.145531][ T50] ? trace_irq_enable.constprop.0+0x30/0x160 [ 44.145534][ T50] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 44.145541][ T50] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 44.145547][ T50] ovpn_peer_remove+0x394/0x640 [ovpn] [ 44.145552][ T50] ? do_raw_spin_lock+0x131/0x280 [ 44.145555][ T50] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 44.145559][ T50] ? __rwlock_init+0x150/0x150 [ 44.145561][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145564][ T50] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.145566][ T50] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 44.145569][ T50] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 44.145573][ T50] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 44.145578][ T50] ? __rwlock_init+0x150/0x150 [ 44.145581][ T50] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 44.145587][ T50] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 44.145591][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145593][ T50] ? lock_acquire+0x13c/0x160 [ 44.145595][ T50] ? rcu_is_watching+0x16/0xd0 [ 44.145599][ T50] process_one_work+0xe3e/0x1560 [ 44.145605][ T50] ? __queue_delayed_work+0x470/0x470 [ 44.145608][ T50] ? __rwlock_init+0x150/0x150 [ 44.145612][ T50] worker_thread+0x4f1/0xd60 [ 44.145615][ T50] ? rescuer_thread+0x1340/0x1340 [ 44.145618][ T50] ? __kthread_parkme+0xbd/0x210 [ 44.145621][ T50] ? rescuer_thread+0x1340/0x1340 [ 44.145623][ T50] ? rescuer_thread+0x1340/0x1340 [ 44.145625][ T50] kthread+0x367/0x460 [ 44.145628][ T50] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 44.145630][ T50] ? kthread_affine_preferred+0x4c0/0x4c0 [ 44.145632][ T50] ret_from_fork+0x474/0x6b0 [ 44.145635][ T50] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 44.145638][ T50] ? __switch_to+0x5a3/0xe00 [ 44.145641][ T50] ? kthread_affine_preferred+0x4c0/0x4c0 [ 44.145644][ T50] ret_from_fork_asm+0x11/0x20 [ 44.145648][ T50] [ 49.265307][ T10] tun3: deleting peer with id 3, reason 2 [ 49.265327][ T10] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 49.265330][ T10] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 10, name: kworker/0:1 [ 49.265331][ T10] preempt_count: 202, expected: 0 [ 49.265332][ T10] RCU nest depth: 0, expected: 0 [ 49.265333][ T10] INFO: lockdep is turned off. [ 49.265334][ T10] irq event stamp: 10056 [ 49.265335][ T10] hardirqs last enabled at (10055): [] _raw_spin_unlock_irq+0x28/0x50 [ 49.265343][ T10] hardirqs last disabled at (10056): [] __schedule+0x1246/0x20e0 [ 49.265346][ T10] softirqs last enabled at (9630): [] handle_softirqs+0x67c/0x900 [ 49.265350][ T10] softirqs last disabled at (9623): [] __irq_exit_rcu+0x145/0x1c0 [ 49.265352][ T10] Preemption disabled at: [ 49.265353][ T10] [<0000000000000000>] 0x0 [ 49.265359][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 49.265363][ T10] Tainted: [W]=WARN [ 49.265364][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.265366][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 49.265374][ T10] Call Trace: [ 49.265375][ T10] [ 49.265376][ T10] dump_stack_lvl+0x6f/0xa0 [ 49.265381][ T10] __might_resched.cold+0x1fe/0x2c1 [ 49.265385][ T10] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 49.265389][ T10] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 49.265391][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265395][ T10] __kmalloc_noprof+0x443/0x760 [ 49.265398][ T10] ? __rwlock_init+0x150/0x150 [ 49.265401][ T10] ? alloc_buf.isra.0+0x4b/0x260 [ 49.265405][ T10] ? do_raw_spin_unlock+0x59/0x250 [ 49.265406][ T10] alloc_buf.isra.0+0x4b/0x260 [ 49.265408][ T10] put_chars+0x1e1/0x2f0 [ 49.265416][ T10] ? prb_final_commit+0x50/0x50 [ 49.265418][ T10] ? __send_to_port+0x420/0x420 [ 49.265420][ T10] ? printk_get_next_message+0x240/0x650 [ 49.265423][ T10] hvc_console_print+0x292/0x780 [ 49.265426][ T10] ? hvc_write+0x3a0/0x3a0 [ 49.265428][ T10] ? do_raw_spin_lock+0x131/0x280 [ 49.265429][ T10] ? vsnprintf+0x527/0x1700 [ 49.265431][ T10] ? __rwlock_init+0x150/0x150 [ 49.265433][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265435][ T10] ? lock_acquire+0x13c/0x160 [ 49.265437][ T10] console_emit_next_record+0x22f/0x4c0 [ 49.265439][ T10] ? devkmsg_read+0x4b0/0x4b0 [ 49.265442][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265443][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265445][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265446][ T10] ? lock_acquire+0x13c/0x160 [ 49.265448][ T10] ? console_flush_one_record+0x111/0x710 [ 49.265450][ T10] console_flush_one_record+0x46f/0x710 [ 49.265452][ T10] ? console_emit_next_record+0x4c0/0x4c0 [ 49.265455][ T10] console_unlock+0xee/0x1f0 [ 49.265456][ T10] ? lock_acquire+0x13c/0x160 [ 49.265458][ T10] ? console_flush_one_record+0x710/0x710 [ 49.265459][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265461][ T10] ? lock_release+0x184/0x1f0 [ 49.265462][ T10] ? lock_acquire+0x60/0x160 [ 49.265464][ T10] ? __rcu_read_lock+0x30/0x70 [ 49.265466][ T10] ? __down_trylock_console_sem+0x5e/0xa0 [ 49.265467][ T10] ? vprintk_emit+0x320/0x3e0 [ 49.265469][ T10] vprintk_emit+0x37c/0x3e0 [ 49.265472][ T10] ? wake_up_klogd_work_func+0x90/0x90 [ 49.265473][ T10] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 49.265475][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265476][ T10] ? trace_sched_wakeup+0x9b/0x160 [ 49.265479][ T10] _printk+0xc7/0x100 [ 49.265482][ T10] ? snapshot_read.cold+0x21/0x21 [ 49.265483][ T10] ? try_to_wake_up+0x153/0x1130 [ 49.265485][ T10] ? select_fallback_rq+0x510/0x510 [ 49.265487][ T10] ? netdev_name+0x43/0x60 [ 49.265489][ T10] ? __netdev_printk+0x17f/0x1d0 [ 49.265491][ T10] netdev_info+0xe2/0x116 [ 49.265493][ T10] ? netdev_notice+0x120/0x120 [ 49.265495][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265497][ T10] ? __queue_work+0x3ab/0xd30 [ 49.265500][ T10] ? trace_irq_enable.constprop.0+0x30/0x160 [ 49.265503][ T10] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 49.265507][ T10] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 49.265509][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265511][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 49.265512][ T10] ovpn_peer_remove+0x394/0x640 [ovpn] [ 49.265516][ T10] ? do_raw_spin_lock+0x131/0x280 [ 49.265518][ T10] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 49.265520][ T10] ? __rwlock_init+0x150/0x150 [ 49.265522][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265523][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 49.265525][ T10] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 49.265526][ T10] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 49.265529][ T10] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 49.265531][ T10] ? __rwlock_init+0x150/0x150 [ 49.265533][ T10] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 49.265536][ T10] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 49.265539][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265541][ T10] ? lock_acquire+0x13c/0x160 [ 49.265542][ T10] ? rcu_is_watching+0x16/0xd0 [ 49.265544][ T10] ? process_one_work+0xdfc/0x1560 [ 49.265546][ T10] process_one_work+0xe3e/0x1560 [ 49.265548][ T10] ? __queue_delayed_work+0x470/0x470 [ 49.265550][ T10] ? find_held_lock+0x2b/0x80 [ 49.265552][ T10] ? __rwlock_init+0x150/0x150 [ 49.265555][ T10] worker_thread+0x4f1/0xd60 [ 49.265557][ T10] ? rescuer_thread+0x1340/0x1340 [ 49.265558][ T10] ? __kthread_parkme+0xbd/0x210 [ 49.265561][ T10] ? rescuer_thread+0x1340/0x1340 [ 49.265562][ T10] ? rescuer_thread+0x1340/0x1340 [ 49.265564][ T10] kthread+0x367/0x460 [ 49.265566][ T10] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 49.265567][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 49.265568][ T10] ret_from_fork+0x474/0x6b0 [ 49.265571][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 49.265573][ T10] ? __switch_to+0x5a3/0xe00 [ 49.265575][ T10] ? kthread_affine_preferred+0x4c0/0x4c0 [ 49.265577][ T10] ret_from_fork_asm+0x11/0x20 [ 49.265581][ T10] [ 49.329268][ T34] tun4: deleting peer with id 4, reason 2 [ 49.394263][ T66] tun5: deleting peer with id 5, reason 2 [ 49.457244][ T66] tun6: deleting peer with id 6, reason 2