[ 22.184780][ C3] tun0: no available key for peer 4, key-id: 0 [ 22.184815][ C3] [ 22.184816][ C3] ======================================================== [ 22.184817][ C3] WARNING: possible irq lock inversion dependency detected [ 22.184819][ C3] 7.2.0-virtme #1 Tainted: G W [ 22.184820][ C3] -------------------------------------------------------- [ 22.184821][ C3] kworker/u16:1/66 just changed the state of lock: [ 22.184822][ C3] ffffffffa9899660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.184835][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 22.184836][ C3] (fs_reclaim){+.+.}-{0:0} [ 22.184837][ C3] [ 22.184837][ C3] [ 22.184837][ C3] and interrupts could create inverse lock ordering between them. [ 22.184837][ C3] [ 22.184838][ C3] [ 22.184838][ C3] other info that might help us debug this: [ 22.184839][ C3] Possible interrupt unsafe locking scenario: [ 22.184839][ C3] [ 22.184839][ C3] CPU0 CPU1 [ 22.184840][ C3] ---- ---- [ 22.184840][ C3] lock(fs_reclaim); [ 22.184841][ C3] local_irq_disable(); [ 22.184841][ C3] lock(console_owner); [ 22.184842][ C3] lock(fs_reclaim); [ 22.184843][ C3] [ 22.184843][ C3] lock(console_owner); [ 22.184844][ C3] [ 22.184844][ C3] *** DEADLOCK *** [ 22.184844][ C3] [ 22.184845][ C3] locks held by kworker/u16:1/66: 11, last CPU#3: [ 22.184846][ C3] #0: ff11000008d51d40 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 22.184851][ C3] #1: ffa0000000477d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 22.184855][ C3] #2: ffffffffaa0e3740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 22.184860][ C3] #3: ffffffffa9990b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 22.184863][ C3] #4: ffffffffa9990b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 22.184867][ C3] #5: ffffffffa9990b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 22.184872][ C3] #6: ffffffffa9990b00 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 22.184881][ C3] #7: ff1100001a58ee18 (slock-AF_INET/1){+.-.}-{3:3}, at: tcp_v4_rcv+0x1a81/0x2b70 [ 22.184886][ C3] #8: ffffffffa9990b00 (rcu_read_lock){....}-{1:3}, at: ovpn_tcp_data_ready+0x62/0x390 [ovpn] [ 22.184893][ C3] #9: ffffffffa9979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.184897][ C3] #10: ffffffffa9979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.184900][ C3] [ 22.184900][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 22.184905][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 22.184907][ C3] HARDIRQ-ON-W at: [ 22.184909][ C3] __lock_acquire+0x388/0xc20 [ 22.184911][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.184913][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.184916][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 22.184918][ C3] kthread_create_worker_on_node+0xea/0x210 [ 22.184921][ C3] workqueue_init+0x2a/0x680 [ 22.184924][ C3] kernel_init_freeable+0x2fe/0x630 [ 22.184927][ C3] kernel_init+0x21/0x150 [ 22.184929][ C3] ret_from_fork+0x474/0x6b0 [ 22.184932][ C3] ret_from_fork_asm+0x11/0x20 [ 22.184935][ C3] SOFTIRQ-ON-W at: [ 22.184936][ C3] __lock_acquire+0x388/0xc20 [ 22.184937][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.184939][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.184940][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 22.184941][ C3] kthread_create_worker_on_node+0xea/0x210 [ 22.184942][ C3] workqueue_init+0x2a/0x680 [ 22.184945][ C3] kernel_init_freeable+0x2fe/0x630 [ 22.184947][ C3] kernel_init+0x21/0x150 [ 22.184948][ C3] ret_from_fork+0x474/0x6b0 [ 22.184949][ C3] ret_from_fork_asm+0x11/0x20 [ 22.184951][ C3] INITIAL USE at: [ 22.184952][ C3] __lock_acquire+0x388/0xc20 [ 22.184953][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.184954][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.184955][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 22.184957][ C3] kthread_create_worker_on_node+0xea/0x210 [ 22.184958][ C3] workqueue_init+0x2a/0x680 [ 22.184959][ C3] kernel_init_freeable+0x2fe/0x630 [ 22.184961][ C3] kernel_init+0x21/0x150 [ 22.184962][ C3] ret_from_fork+0x474/0x6b0 [ 22.184963][ C3] ret_from_fork_asm+0x11/0x20 [ 22.184964][ C3] } [ 22.184965][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 22.184968][ C3] ... acquired at: [ 22.184969][ C3] __lock_acquire+0x518/0xc20 [ 22.184971][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.184972][ C3] fs_reclaim_acquire+0xd5/0x120 [ 22.184973][ C3] __kmalloc_noprof+0xd3/0x760 [ 22.184975][ C3] alloc_buf.isra.0+0x4b/0x260 [ 22.184978][ C3] put_chars+0x1e1/0x2f0 [ 22.184979][ C3] hvc_console_print+0x292/0x780 [ 22.184982][ C3] console_emit_next_record+0x22f/0x4c0 [ 22.184983][ C3] console_flush_one_record+0x46f/0x710 [ 22.184985][ C3] console_unlock+0xee/0x1f0 [ 22.184986][ C3] vprintk_emit+0x37c/0x3e0 [ 22.184988][ C3] _printk+0xc7/0x100 [ 22.184991][ C3] dm_interface_init+0x50/0x60 [ 22.184994][ C3] dm_init+0x51/0xd0 [ 22.184995][ C3] do_one_initcall+0x124/0x4f0 [ 22.184997][ C3] kernel_init_freeable+0x596/0x630 [ 22.184998][ C3] kernel_init+0x21/0x150 [ 22.185000][ C3] ret_from_fork+0x474/0x6b0 [ 22.185001][ C3] ret_from_fork_asm+0x11/0x20 [ 22.185002][ C3] [ 22.185002][ C3] -> (console_owner){..-.}-{0:0} { [ 22.185004][ C3] IN-SOFTIRQ-W at: [ 22.185005][ C3] __lock_acquire+0x388/0xc20 [ 22.185006][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.185008][ C3] console_lock_spinning_enable+0x5c/0x60 [ 22.185009][ C3] console_emit_next_record+0x1d1/0x4c0 [ 22.185011][ C3] console_flush_one_record+0x46f/0x710 [ 22.185012][ C3] console_unlock+0xee/0x1f0 [ 22.185014][ C3] vprintk_emit+0x37c/0x3e0 [ 22.185016][ C3] _printk+0xc7/0x100 [ 22.185017][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.185020][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.185022][ C3] __strp_recv+0x20f/0x1c20 [ 22.185025][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.185027][ C3] strp_read_sock+0x20f/0x2b0 [ 22.185029][ C3] strp_data_ready+0x18e/0x2c0 [ 22.185031][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.185033][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.185035][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.185037][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.185038][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.185040][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.185041][ C3] ip_local_deliver+0x184/0x4c0 [ 22.185042][ C3] ip_rcv+0xdc/0x3d0 [ 22.185044][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.185046][ C3] process_backlog+0x431/0x14c0 [ 22.185047][ C3] __napi_poll+0xa7/0x3b0 [ 22.185049][ C3] net_rx_action+0x513/0xf50 [ 22.185051][ C3] handle_softirqs+0x1d3/0x900 [ 22.185053][ C3] do_softirq+0xac/0xe0 [ 22.185054][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.185055][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.185057][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.185058][ C3] ip6_finish_output+0x646/0xda0 [ 22.185060][ C3] ip6_output+0x23f/0x7f0 [ 22.185061][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.185062][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.185064][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.185065][ C3] addrconf_dad_work+0x170/0x930 [ 22.185067][ C3] process_one_work+0xe3e/0x1560 [ 22.185069][ C3] worker_thread+0x4f1/0xd60 [ 22.185070][ C3] kthread+0x367/0x460 [ 22.185072][ C3] ret_from_fork+0x474/0x6b0 [ 22.185073][ C3] ret_from_fork_asm+0x11/0x20 [ 22.185074][ C3] INITIAL USE at: [ 22.185075][ C3] } [ 22.185075][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 22.185079][ C3] ... acquired at: [ 22.185079][ C3] mark_lock+0x1d7/0xa00 [ 22.185081][ C3] mark_usage+0x42/0x170 [ 22.185082][ C3] __lock_acquire+0x388/0xc20 [ 22.185083][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.185084][ C3] console_lock_spinning_enable+0x5c/0x60 [ 22.185086][ C3] console_emit_next_record+0x1d1/0x4c0 [ 22.185088][ C3] console_flush_one_record+0x46f/0x710 [ 22.185089][ C3] console_unlock+0xee/0x1f0 [ 22.185091][ C3] vprintk_emit+0x37c/0x3e0 [ 22.185092][ C3] _printk+0xc7/0x100 [ 22.185093][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.185096][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.185098][ C3] __strp_recv+0x20f/0x1c20 [ 22.185100][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.185101][ C3] strp_read_sock+0x20f/0x2b0 [ 22.185102][ C3] strp_data_ready+0x18e/0x2c0 [ 22.185104][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.185106][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.185108][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.185109][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.185111][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.185112][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.185113][ C3] ip_local_deliver+0x184/0x4c0 [ 22.185115][ C3] ip_rcv+0xdc/0x3d0 [ 22.185116][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.185118][ C3] process_backlog+0x431/0x14c0 [ 22.185119][ C3] __napi_poll+0xa7/0x3b0 [ 22.185121][ C3] net_rx_action+0x513/0xf50 [ 22.185123][ C3] handle_softirqs+0x1d3/0x900 [ 22.185124][ C3] do_softirq+0xac/0xe0 [ 22.185125][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.185126][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.185128][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.185129][ C3] ip6_finish_output+0x646/0xda0 [ 22.185130][ C3] ip6_output+0x23f/0x7f0 [ 22.185131][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.185133][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.185134][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.185136][ C3] addrconf_dad_work+0x170/0x930 [ 22.185138][ C3] process_one_work+0xe3e/0x1560 [ 22.185139][ C3] worker_thread+0x4f1/0xd60 [ 22.185140][ C3] kthread+0x367/0x460 [ 22.185142][ C3] ret_from_fork+0x474/0x6b0 [ 22.185143][ C3] ret_from_fork_asm+0x11/0x20 [ 22.185144][ C3] [ 22.185144][ C3] [ 22.185144][ C3] stack backtrace: [ 22.185147][ C3] CPU: 3 UID: 0 PID: 66 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.185150][ C3] Tainted: [W]=WARN [ 22.185151][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.185153][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.185156][ C3] Call Trace: [ 22.185157][ C3] [ 22.185159][ C3] dump_stack_lvl+0x6f/0xa0 [ 22.185163][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 22.185165][ C3] mark_lock_irq+0x989/0x9c0 [ 22.185168][ C3] mark_lock+0x1d7/0xa00 [ 22.185170][ C3] mark_usage+0x42/0x170 [ 22.185171][ C3] __lock_acquire+0x388/0xc20 [ 22.185173][ C3] lock_acquire.part.0+0xd4/0x280 [ 22.185175][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 22.185177][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185181][ C3] ? lock_acquire+0x13c/0x160 [ 22.185183][ C3] console_lock_spinning_enable+0x5c/0x60 [ 22.185185][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 22.185186][ C3] console_emit_next_record+0x1d1/0x4c0 [ 22.185188][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 22.185190][ C3] ? console_flush_one_record+0x106/0x710 [ 22.185192][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185194][ C3] ? lock_acquire+0x13c/0x160 [ 22.185196][ C3] console_flush_one_record+0x46f/0x710 [ 22.185198][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 22.185199][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185202][ C3] console_unlock+0xee/0x1f0 [ 22.185204][ C3] ? console_flush_one_record+0x710/0x710 [ 22.185205][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185207][ C3] ? lock_acquire+0x60/0x160 [ 22.185209][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.185211][ C3] ? vprintk_emit+0x320/0x3e0 [ 22.185213][ C3] vprintk_emit+0x37c/0x3e0 [ 22.185215][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 22.185217][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185219][ C3] _printk+0xc7/0x100 [ 22.185221][ C3] ? snapshot_read.cold+0x21/0x21 [ 22.185222][ C3] ? ___ratelimit+0x4e7/0xa00 [ 22.185225][ C3] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.185229][ C3] ? idr_get_free+0x830/0x830 [ 22.185231][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.185234][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.185237][ C3] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.185240][ C3] ? __copy_skb_header+0xb7/0x510 [ 22.185243][ C3] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.185245][ C3] ? sock_queue_err_skb+0xb0/0x680 [ 22.185248][ C3] __strp_recv+0x20f/0x1c20 [ 22.185251][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.185252][ C3] ? strp_process+0xb0/0xb0 [ 22.185254][ C3] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.185256][ C3] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.185258][ C3] ? mark_usage+0x61/0x170 [ 22.185259][ C3] strp_read_sock+0x20f/0x2b0 [ 22.185262][ C3] ? strp_stop+0x50/0x50 [ 22.185264][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185266][ C3] ? lock_acquire+0x13c/0x160 [ 22.185267][ C3] strp_data_ready+0x18e/0x2c0 [ 22.185270][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.185272][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.185275][ C3] ? __tcp_check_space+0x600/0x600 [ 22.185277][ C3] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.185279][ C3] ? do_raw_spin_lock+0x131/0x280 [ 22.185281][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.185283][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.185285][ C3] ? mark_usage+0x61/0x170 [ 22.185287][ C3] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.185289][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185291][ C3] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.185293][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.185295][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.185297][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.185299][ C3] ip_local_deliver+0x184/0x4c0 [ 22.185300][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 22.185302][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.185304][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.185306][ C3] ip_rcv+0xdc/0x3d0 [ 22.185308][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 22.185309][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185311][ C3] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 22.185314][ C3] ? mark_usage+0x61/0x170 [ 22.185315][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185316][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.185319][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.185321][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185322][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.185324][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.185326][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185329][ C3] process_backlog+0x431/0x14c0 [ 22.185331][ C3] __napi_poll+0xa7/0x3b0 [ 22.185333][ C3] net_rx_action+0x513/0xf50 [ 22.185336][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185338][ C3] ? __napi_poll+0x3b0/0x3b0 [ 22.185341][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.185344][ C3] ? mark_held_locks+0x40/0x70 [ 22.185346][ C3] handle_softirqs+0x1d3/0x900 [ 22.185348][ C3] ? _local_bh_enable+0xc0/0xc0 [ 22.185349][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 22.185351][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185353][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 22.185355][ C3] do_softirq+0xac/0xe0 [ 22.185356][ C3] [ 22.185357][ C3] [ 22.185357][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.185359][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.185361][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185363][ C3] ? do_ipv6_getsockopt+0x1a30/0x2e80 [ 22.185364][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.185366][ C3] ? find_held_lock+0x2b/0x80 [ 22.185368][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185369][ C3] ? __rwlock_init+0x150/0x150 [ 22.185371][ C3] ? mark_held_locks+0x40/0x70 [ 22.185372][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 22.185374][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185375][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185377][ C3] ? ___neigh_create+0x811/0x1070 [ 22.185380][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.185382][ C3] ? ip6_dst_lookup+0x80/0x80 [ 22.185383][ C3] ? find_held_lock+0x2b/0x80 [ 22.185385][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185387][ C3] ? ip6_mtu+0x15d/0x310 [ 22.185389][ C3] ip6_finish_output+0x646/0xda0 [ 22.185391][ C3] ip6_output+0x23f/0x7f0 [ 22.185393][ C3] ? ip6_finish_output+0xda0/0xda0 [ 22.185394][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185396][ C3] ? find_held_lock+0x2b/0x80 [ 22.185397][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185399][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185401][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.185403][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 22.185405][ C3] ? ndisc_alloc_skb+0x2da/0x490 [ 22.185406][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185408][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.185410][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185412][ C3] ? addrconf_rs_timer+0x770/0x770 [ 22.185414][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185415][ C3] ? __rwlock_init+0x150/0x150 [ 22.185417][ C3] ? mark_held_locks+0x40/0x70 [ 22.185418][ C3] ? addrconf_dad_begin+0x2e1/0x540 [ 22.185420][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.185422][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185424][ C3] ? addrconf_dad_completed+0xe10/0xe10 [ 22.185426][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185427][ C3] ? __rwlock_init+0x150/0x150 [ 22.185429][ C3] ? mark_held_locks+0x40/0x70 [ 22.185431][ C3] addrconf_dad_work+0x170/0x930 [ 22.185433][ C3] ? addrconf_dad_begin+0x540/0x540 [ 22.185435][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185437][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185438][ C3] ? lock_acquire+0x13c/0x160 [ 22.185440][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185442][ C3] process_one_work+0xe3e/0x1560 [ 22.185445][ C3] ? __queue_delayed_work+0x470/0x470 [ 22.185447][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185449][ C3] worker_thread+0x4f1/0xd60 [ 22.185452][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.185453][ C3] ? __kthread_parkme+0xbd/0x210 [ 22.185455][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.185457][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.185458][ C3] kthread+0x367/0x460 [ 22.185460][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.185462][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.185464][ C3] ret_from_fork+0x474/0x6b0 [ 22.185466][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.185467][ C3] ? __switch_to+0x5a3/0xe00 [ 22.185470][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.185472][ C3] ret_from_fork_asm+0x11/0x20 [ 22.185475][ C3] [ 22.185478][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.185480][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 66, name: kworker/u16:1 [ 22.185481][ C3] preempt_count: 103, expected: 0 [ 22.185482][ C3] RCU nest depth: 5, expected: 0 [ 22.185482][ C3] INFO: lockdep is turned off. [ 22.185483][ C3] irq event stamp: 1231 [ 22.185483][ C3] hardirqs last enabled at (1230): [] __down_trylock_console_sem+0x86/0xa0 [ 22.185486][ C3] hardirqs last disabled at (1231): [] console_emit_next_record+0x3d4/0x4c0 [ 22.185488][ C3] softirqs last enabled at (1116): [] __dev_queue_xmit+0x964/0x1b80 [ 22.185490][ C3] softirqs last disabled at (1117): [] do_softirq+0xac/0xe0 [ 22.185491][ C3] Preemption disabled at: [ 22.185492][ C3] [] __dev_queue_xmit+0x204/0x1b80 [ 22.185494][ C3] CPU: 3 UID: 0 PID: 66 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.185496][ C3] Tainted: [W]=WARN [ 22.185497][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.185498][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.185500][ C3] Call Trace: [ 22.185500][ C3] [ 22.185501][ C3] dump_stack_lvl+0x6f/0xa0 [ 22.185503][ C3] ? __dev_queue_xmit+0x204/0x1b80 [ 22.185505][ C3] __might_resched.cold+0x1fe/0x2c1 [ 22.185508][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.185511][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185513][ C3] __kmalloc_noprof+0x443/0x760 [ 22.185514][ C3] ? __rwlock_init+0x150/0x150 [ 22.185516][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 22.185518][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 22.185519][ C3] alloc_buf.isra.0+0x4b/0x260 [ 22.185521][ C3] put_chars+0x1e1/0x2f0 [ 22.185523][ C3] ? __send_to_port+0x420/0x420 [ 22.185526][ C3] hvc_console_print+0x292/0x780 [ 22.185528][ C3] ? __lock_acquire+0x388/0xc20 [ 22.185530][ C3] ? hvc_write+0x3a0/0x3a0 [ 22.185531][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185533][ C3] ? lock_acquire+0x13c/0x160 [ 22.185535][ C3] console_emit_next_record+0x22f/0x4c0 [ 22.185537][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 22.185539][ C3] ? console_flush_one_record+0x106/0x710 [ 22.185541][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185543][ C3] ? lock_acquire+0x13c/0x160 [ 22.185545][ C3] console_flush_one_record+0x46f/0x710 [ 22.185547][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 22.185549][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185551][ C3] console_unlock+0xee/0x1f0 [ 22.185553][ C3] ? console_flush_one_record+0x710/0x710 [ 22.185554][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185556][ C3] ? lock_acquire+0x60/0x160 [ 22.185558][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.185560][ C3] ? vprintk_emit+0x320/0x3e0 [ 22.185562][ C3] vprintk_emit+0x37c/0x3e0 [ 22.185564][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 22.185566][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185568][ C3] _printk+0xc7/0x100 [ 22.185569][ C3] ? snapshot_read.cold+0x21/0x21 [ 22.185571][ C3] ? ___ratelimit+0x4e7/0xa00 [ 22.185573][ C3] ? ovpn_netdev_write+0x730/0x730 [ovpn] [ 22.185576][ C3] ? idr_get_free+0x830/0x830 [ 22.185578][ C3] ovpn_recv.cold+0x7e/0x94 [ovpn] [ 22.185581][ C3] ovpn_tcp_rcv+0x274/0x9a0 [ovpn] [ 22.185583][ C3] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 22.185586][ C3] ? __copy_skb_header+0xb7/0x510 [ 22.185588][ C3] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 22.185590][ C3] ? sock_queue_err_skb+0xb0/0x680 [ 22.185592][ C3] __strp_recv+0x20f/0x1c20 [ 22.185595][ C3] __tcp_read_sock+0x1c7/0x850 [ 22.185597][ C3] ? strp_process+0xb0/0xb0 [ 22.185599][ C3] ? __tcp_transmit_skb+0x1b6e/0x3c10 [ 22.185600][ C3] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 22.185602][ C3] ? mark_usage+0x61/0x170 [ 22.185604][ C3] strp_read_sock+0x20f/0x2b0 [ 22.185606][ C3] ? strp_stop+0x50/0x50 [ 22.185608][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185610][ C3] ? lock_acquire+0x13c/0x160 [ 22.185612][ C3] strp_data_ready+0x18e/0x2c0 [ 22.185614][ C3] ovpn_tcp_data_ready+0xf1/0x390 [ovpn] [ 22.185616][ C3] tcp_rcv_established+0x1e1d/0x3910 [ 22.185619][ C3] ? __tcp_check_space+0x600/0x600 [ 22.185621][ C3] ? tcp_v4_rcv+0x1a81/0x2b70 [ 22.185623][ C3] ? do_raw_spin_lock+0x131/0x280 [ 22.185625][ C3] tcp_v4_do_rcv+0x4f6/0xb90 [ 22.185627][ C3] tcp_v4_rcv+0x1caa/0x2b70 [ 22.185629][ C3] ? mark_usage+0x61/0x170 [ 22.185631][ C3] ? tcp_add_backlog+0x1e30/0x1e30 [ 22.185633][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185635][ C3] ? ip_local_deliver_finish+0x2ba/0x610 [ 22.185637][ C3] ip_protocol_deliver_rcu+0x82/0x350 [ 22.185639][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.185640][ C3] ip_local_deliver_finish+0x36f/0x610 [ 22.185642][ C3] ip_local_deliver+0x184/0x4c0 [ 22.185644][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 22.185646][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 22.185648][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.185650][ C3] ip_rcv+0xdc/0x3d0 [ 22.185651][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 22.185653][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185655][ C3] ? __update_load_avg_cfs_rq+0x36c/0x10c0 [ 22.185656][ C3] ? mark_usage+0x61/0x170 [ 22.185658][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185659][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback+0x57/0x130 [ 22.185661][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 22.185663][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185664][ C3] ? process_backlog+0x3f1/0x14c0 [ 22.185666][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 22.185668][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185671][ C3] process_backlog+0x431/0x14c0 [ 22.185673][ C3] __napi_poll+0xa7/0x3b0 [ 22.185675][ C3] net_rx_action+0x513/0xf50 [ 22.185678][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185680][ C3] ? __napi_poll+0x3b0/0x3b0 [ 22.185683][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 22.185685][ C3] ? mark_held_locks+0x40/0x70 [ 22.185687][ C3] handle_softirqs+0x1d3/0x900 [ 22.185689][ C3] ? _local_bh_enable+0xc0/0xc0 [ 22.185690][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 22.185692][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185693][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 22.185695][ C3] do_softirq+0xac/0xe0 [ 22.185697][ C3] [ 22.185697][ C3] [ 22.185698][ C3] __local_bh_enable_ip+0x118/0x150 [ 22.185699][ C3] __dev_queue_xmit+0x979/0x1b80 [ 22.185701][ C3] ? __lock_acquire+0x518/0xc20 [ 22.185703][ C3] ? do_ipv6_getsockopt+0x1a30/0x2e80 [ 22.185705][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 22.185706][ C3] ? find_held_lock+0x2b/0x80 [ 22.185708][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185709][ C3] ? __rwlock_init+0x150/0x150 [ 22.185711][ C3] ? mark_held_locks+0x40/0x70 [ 22.185712][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 22.185714][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185715][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185716][ C3] ? ___neigh_create+0x811/0x1070 [ 22.185719][ C3] ip6_finish_output2+0x423/0x12a0 [ 22.185721][ C3] ? ip6_dst_lookup+0x80/0x80 [ 22.185723][ C3] ? find_held_lock+0x2b/0x80 [ 22.185724][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185726][ C3] ? ip6_mtu+0x15d/0x310 [ 22.185728][ C3] ip6_finish_output+0x646/0xda0 [ 22.185730][ C3] ip6_output+0x23f/0x7f0 [ 22.185731][ C3] ? ip6_finish_output+0xda0/0xda0 [ 22.185733][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185734][ C3] ? find_held_lock+0x2b/0x80 [ 22.185736][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185737][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185739][ C3] ndisc_send_skb+0xba3/0x1520 [ 22.185741][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 22.185743][ C3] ? ndisc_alloc_skb+0x2da/0x490 [ 22.185744][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 22.185746][ C3] addrconf_dad_completed+0x37e/0xe10 [ 22.185749][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185750][ C3] ? addrconf_rs_timer+0x770/0x770 [ 22.185752][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185754][ C3] ? __rwlock_init+0x150/0x150 [ 22.185755][ C3] ? mark_held_locks+0x40/0x70 [ 22.185757][ C3] ? addrconf_dad_begin+0x2e1/0x540 [ 22.185759][ C3] addrconf_dad_begin+0x2e1/0x540 [ 22.185761][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185762][ C3] ? addrconf_dad_completed+0xe10/0xe10 [ 22.185764][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 22.185765][ C3] ? __rwlock_init+0x150/0x150 [ 22.185767][ C3] ? mark_held_locks+0x40/0x70 [ 22.185769][ C3] addrconf_dad_work+0x170/0x930 [ 22.185771][ C3] ? addrconf_dad_begin+0x540/0x540 [ 22.185773][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185775][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185777][ C3] ? lock_acquire+0x13c/0x160 [ 22.185778][ C3] ? rcu_is_watching+0x16/0xd0 [ 22.185780][ C3] process_one_work+0xe3e/0x1560 [ 22.185783][ C3] ? __queue_delayed_work+0x470/0x470 [ 22.185785][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 22.185788][ C3] worker_thread+0x4f1/0xd60 [ 22.185790][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.185792][ C3] ? __kthread_parkme+0xbd/0x210 [ 22.185793][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.185795][ C3] ? rescuer_thread+0x1340/0x1340 [ 22.185796][ C3] kthread+0x367/0x460 [ 22.185798][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 22.185799][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.185801][ C3] ret_from_fork+0x474/0x6b0 [ 22.185802][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 22.185804][ C3] ? __switch_to+0x5a3/0xe00 [ 22.185805][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 22.185807][ C3] ret_from_fork_asm+0x11/0x20 [ 22.185810][ C3] [ 22.366623][ C0] tun0: no available key for peer 6, key-id: 0 [ 30.895289][ T612] iperf3 (612) used greatest stack depth: 23128 bytes left [ 30.895306][ T612] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.895309][ T612] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 612, name: iperf3 [ 30.895310][ T612] preempt_count: 2, expected: 0 [ 30.895311][ T612] RCU nest depth: 0, expected: 0 [ 30.895312][ T612] INFO: lockdep is turned off. [ 30.895313][ T612] irq event stamp: 0 [ 30.895314][ T612] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.895319][ T612] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 30.895324][ T612] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 30.895326][ T612] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.895328][ T612] Preemption disabled at: [ 30.895328][ T612] [<0000000000000000>] 0x0 [ 30.895333][ T612] CPU: 1 UID: 0 PID: 612 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.895337][ T612] Tainted: [W]=WARN [ 30.895338][ T612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.895339][ T612] Call Trace: [ 30.895341][ T612] [ 30.895342][ T612] dump_stack_lvl+0x6f/0xa0 [ 30.895347][ T612] __might_resched.cold+0x1fe/0x2c1 [ 30.895351][ T612] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.895354][ T612] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 30.895356][ T612] ? rcu_is_watching+0x16/0xd0 [ 30.895360][ T612] __kmalloc_noprof+0x443/0x760 [ 30.895363][ T612] ? __rwlock_init+0x150/0x150 [ 30.895366][ T612] ? alloc_buf.isra.0+0x4b/0x260 [ 30.895370][ T612] ? do_raw_spin_unlock+0x59/0x250 [ 30.895372][ T612] alloc_buf.isra.0+0x4b/0x260 [ 30.895374][ T612] put_chars+0x1e1/0x2f0 [ 30.895376][ T612] ? prb_final_commit+0x50/0x50 [ 30.895377][ T612] ? __send_to_port+0x420/0x420 [ 30.895379][ T612] ? printk_get_next_message+0x240/0x650 [ 30.895382][ T612] hvc_console_print+0x292/0x780 [ 30.895385][ T612] ? hvc_write+0x3a0/0x3a0 [ 30.895387][ T612] ? do_raw_spin_lock+0x131/0x280 [ 30.895388][ T612] ? vsnprintf+0x668/0x1700 [ 30.895391][ T612] ? __rwlock_init+0x150/0x150 [ 30.895393][ T612] ? rcu_is_watching+0x16/0xd0 [ 30.895395][ T612] ? lock_acquire+0x13c/0x160 [ 30.895397][ T612] console_emit_next_record+0x22f/0x4c0 [ 30.895399][ T612] ? devkmsg_read+0x4b0/0x4b0 [ 30.895401][ T612] ? rcu_is_watching+0x16/0xd0 [ 30.895403][ T612] ? rcu_is_watching+0x16/0xd0 [ 30.895405][ T612] ? rcu_is_watching+0x16/0xd0 [ 30.895406][ T612] ? lock_acquire+0x13c/0x160 [ 30.895408][ T612] ? console_flush_one_record+0x111/0x710 [ 30.895410][ T612] console_flush_one_record+0x46f/0x710 [ 30.895412][ T612] ? console_emit_next_record+0x4c0/0x4c0 [ 30.895415][ T612] console_unlock+0xee/0x1f0 [ 30.895417][ T612] ? lock_acquire+0x13c/0x160 [ 30.895418][ T612] ? console_flush_one_record+0x710/0x710 [ 30.895420][ T612] ? rcu_is_watching+0x16/0xd0 [ 30.895421][ T612] ? lock_release+0x184/0x1f0 [ 30.895423][ T612] ? lock_acquire+0x60/0x160 [ 30.895424][ T612] ? __rcu_read_lock+0x30/0x70 [ 30.895426][ T612] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.895428][ T612] ? vprintk_emit+0x320/0x3e0 [ 30.895430][ T612] vprintk_emit+0x37c/0x3e0 [ 30.895432][ T612] ? wake_up_klogd_work_func+0x90/0x90 [ 30.895435][ T612] _printk+0xc7/0x100 [ 30.895438][ T612] ? snapshot_read.cold+0x21/0x21 [ 30.895439][ T612] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.895442][ T612] ? do_raw_spin_lock+0x131/0x280 [ 30.895444][ T612] ? __rwlock_init+0x150/0x150 [ 30.895446][ T612] ? do_raw_spin_lock+0x131/0x280 [ 30.895447][ T612] do_exit.cold+0x82/0x9c [ 30.895450][ T612] ? exit_notify+0x890/0x890 [ 30.895453][ T612] __x64_sys_exit+0x42/0x50 [ 30.895454][ T612] x64_sys_call+0x156c/0x1570 [ 30.895456][ T612] do_syscall_64+0xff/0x530 [ 30.895459][ T612] ? exc_page_fault+0xee/0x100 [ 30.895460][ T612] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.895463][ T612] RIP: 0033:0x7ff09dbe9c49 [ 30.895465][ T612] Code: Unable to access opcode bytes at 0x7ff09dbe9c1f. [ 30.895466][ T612] RSP: 002b:00007ff09d3a8e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.895469][ T612] RAX: ffffffffffffffda RBX: 00007ff09d3a96c0 RCX: 00007ff09dbe9c49 [ 30.895470][ T612] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 30.895471][ T612] RBP: 00007ff09d3a8f70 R08: 0000000000000001 R09: 00007ff09d3a96c0 [ 30.895472][ T612] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ff09cba9000 [ 30.895473][ T612] R13: 00007ffd409db080 R14: 0000000000000002 R15: 00007ffd409db187 [ 30.895475][ T612] [ 32.281170][ T706] tun0: deleting peer with id 1, reason 1 [ 32.281184][ T706] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.281187][ T706] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 706, name: ovpn-cli [ 32.281188][ T706] preempt_count: 202, expected: 0 [ 32.281189][ T706] RCU nest depth: 0, expected: 0 [ 32.281190][ T706] INFO: lockdep is turned off. [ 32.281191][ T706] irq event stamp: 0 [ 32.281192][ T706] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.281196][ T706] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 32.281203][ T706] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 32.281204][ T706] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.281206][ T706] Preemption disabled at: [ 32.281206][ T706] [<0000000000000000>] 0x0 [ 32.281211][ T706] CPU: 0 UID: 0 PID: 706 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.281215][ T706] Tainted: [W]=WARN [ 32.281216][ T706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.281217][ T706] Call Trace: [ 32.281219][ T706] [ 32.281220][ T706] dump_stack_lvl+0x6f/0xa0 [ 32.281225][ T706] __might_resched.cold+0x1fe/0x2c1 [ 32.281229][ T706] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.281233][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281237][ T706] __kmalloc_noprof+0x443/0x760 [ 32.281241][ T706] ? __rwlock_init+0x150/0x150 [ 32.281243][ T706] ? alloc_buf.isra.0+0x4b/0x260 [ 32.281248][ T706] ? do_raw_spin_unlock+0x59/0x250 [ 32.281249][ T706] alloc_buf.isra.0+0x4b/0x260 [ 32.281251][ T706] put_chars+0x1e1/0x2f0 [ 32.281254][ T706] ? __send_to_port+0x420/0x420 [ 32.281255][ T706] ? printk_get_next_message+0x240/0x650 [ 32.281259][ T706] hvc_console_print+0x292/0x780 [ 32.281262][ T706] ? hvc_write+0x3a0/0x3a0 [ 32.281264][ T706] ? __rwlock_init+0x150/0x150 [ 32.281266][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281268][ T706] ? lock_acquire+0x13c/0x160 [ 32.281270][ T706] console_emit_next_record+0x22f/0x4c0 [ 32.281272][ T706] ? devkmsg_read+0x4b0/0x4b0 [ 32.281274][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281276][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281278][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281280][ T706] ? lock_acquire+0x13c/0x160 [ 32.281281][ T706] ? console_flush_one_record+0x111/0x710 [ 32.281283][ T706] console_flush_one_record+0x46f/0x710 [ 32.281286][ T706] ? console_emit_next_record+0x4c0/0x4c0 [ 32.281288][ T706] console_unlock+0xee/0x1f0 [ 32.281290][ T706] ? lock_acquire+0x13c/0x160 [ 32.281292][ T706] ? console_flush_one_record+0x710/0x710 [ 32.281293][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281295][ T706] ? lock_release+0x184/0x1f0 [ 32.281296][ T706] ? lock_acquire+0x60/0x160 [ 32.281298][ T706] ? __rcu_read_lock+0x30/0x70 [ 32.281300][ T706] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.281302][ T706] ? vprintk_emit+0x320/0x3e0 [ 32.281304][ T706] vprintk_emit+0x37c/0x3e0 [ 32.281306][ T706] ? wake_up_klogd_work_func+0x90/0x90 [ 32.281308][ T706] ? kernel_text_address+0x149/0x170 [ 32.281310][ T706] ? __kernel_text_address+0x12/0x30 [ 32.281312][ T706] ? write_profile+0xf0/0xf0 [ 32.281314][ T706] ? unwind_get_return_address+0x67/0xd0 [ 32.281317][ T706] _printk+0xc7/0x100 [ 32.281320][ T706] ? snapshot_read.cold+0x21/0x21 [ 32.281322][ T706] ? netdev_name+0x43/0x60 [ 32.281325][ T706] ? __netdev_printk+0x17f/0x1d0 [ 32.281326][ T706] netdev_info+0xe2/0x116 [ 32.281328][ T706] ? netdev_notice+0x120/0x120 [ 32.281329][ T706] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 32.281335][ T706] ? __module_address+0x36/0x330 [ 32.281338][ T706] ? lock_acquire+0x13c/0x160 [ 32.281340][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281341][ T706] ? lock_release+0x184/0x1f0 [ 32.281343][ T706] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 32.281347][ T706] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 32.281351][ T706] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 32.281353][ T706] ? lock_acquire+0x13c/0x160 [ 32.281355][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281356][ T706] ? lock_release+0x184/0x1f0 [ 32.281358][ T706] ovpn_peer_remove+0x394/0x640 [ovpn] [ 32.281361][ T706] ? do_raw_spin_lock+0x131/0x280 [ 32.281363][ T706] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 32.281366][ T706] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 32.281370][ T706] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 32.281373][ T706] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 32.281375][ T706] ? trace_hardirqs_on+0x36/0x40 [ 32.281378][ T706] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.281380][ T706] ? ref_tracker_alloc+0x28d/0x430 [ 32.281386][ T706] ? lock_release+0x184/0x1f0 [ 32.281388][ T706] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 32.281391][ T706] genl_family_rcv_msg_doit+0x206/0x300 [ 32.281395][ T706] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 32.281397][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281400][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281402][ T706] ? cap_capable+0x1d7/0x3d0 [ 32.281405][ T706] ? write_profile+0xf0/0xf0 [ 32.281406][ T706] ? unwind_get_return_address+0x67/0xd0 [ 32.281408][ T706] genl_family_rcv_msg+0x3a4/0x640 [ 32.281410][ T706] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 32.281413][ T706] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 32.281415][ T706] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 32.281417][ T706] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 32.281420][ T706] ? filter_irq_stacks+0xd0/0xd0 [ 32.281421][ T706] ? stack_depot_save_flags+0x1bc/0x790 [ 32.281424][ T706] genl_rcv_msg+0xbb/0x160 [ 32.281426][ T706] netlink_rcv_skb+0x14e/0x3a0 [ 32.281428][ T706] ? genl_family_rcv_msg+0x640/0x640 [ 32.281430][ T706] ? netlink_ack+0xcf0/0xcf0 [ 32.281433][ T706] ? lock_acquire+0x13c/0x160 [ 32.281434][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281436][ T706] ? lock_release+0x184/0x1f0 [ 32.281438][ T706] genl_rcv+0x28/0x40 [ 32.281440][ T706] netlink_unicast+0x486/0x750 [ 32.281442][ T706] ? netlink_attachskb+0x810/0x810 [ 32.281444][ T706] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.281445][ T706] ? trace_hardirqs_on+0x36/0x40 [ 32.281446][ T706] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 32.281450][ T706] netlink_sendmsg+0x735/0xc60 [ 32.281452][ T706] ? netlink_unicast+0x750/0x750 [ 32.281454][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281456][ T706] ? lock_release+0x184/0x1f0 [ 32.281458][ T706] ____sys_sendmsg+0x415/0x880 [ 32.281461][ T706] ? copy_msghdr_from_user+0x279/0x420 [ 32.281463][ T706] ? get_timestamp.constprop.0+0x390/0x390 [ 32.281464][ T706] ? move_addr_to_kernel+0x40/0x40 [ 32.281467][ T706] ___sys_sendmsg+0x14e/0x1d0 [ 32.281469][ T706] ? copy_msghdr_from_user+0x420/0x420 [ 32.281471][ T706] ? kfree+0x22/0x590 [ 32.281476][ T706] __sys_sendmsg+0x12c/0x1d0 [ 32.281478][ T706] ? __sys_sendmsg_sock+0x20/0x20 [ 32.281481][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281482][ T706] ? rcu_is_watching+0x16/0xd0 [ 32.281485][ T706] do_syscall_64+0xff/0x530 [ 32.281487][ T706] ? exc_page_fault+0xee/0x100 [ 32.281489][ T706] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.281491][ T706] RIP: 0033:0x7fdec2a9b54e [ 32.281493][ T706] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.281495][ T706] RSP: 002b:00007fff661c9300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.281498][ T706] RAX: ffffffffffffffda RBX: 00000000286f9130 RCX: 00007fdec2a9b54e [ 32.281500][ T706] RDX: 0000000000000000 RSI: 00007fff661c93a0 RDI: 0000000000000005 [ 32.281501][ T706] RBP: 00007fff661c9310 R08: 0000000000000000 R09: 0000000000000000 [ 32.281502][ T706] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000286f9200 [ 32.281502][ T706] R13: 00007fff661c93a0 R14: 00000000286fa260 R15: 000000000040bda8 [ 32.281505][ T706] [ 32.357459][ T710] tun1: deleting peer with id 1, reason 1 [ 34.900250][ T758] tun0: deleting peer with id 2, reason 1 [ 34.900266][ T758] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.900268][ T758] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 758, name: ovpn-cli [ 34.900270][ T758] preempt_count: 202, expected: 0 [ 34.900270][ T758] RCU nest depth: 0, expected: 0 [ 34.900271][ T758] INFO: lockdep is turned off. [ 34.900272][ T758] irq event stamp: 0 [ 34.900273][ T758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.900277][ T758] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 34.900284][ T758] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 34.900285][ T758] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.900287][ T758] Preemption disabled at: [ 34.900288][ T758] [<0000000000000000>] 0x0 [ 34.900293][ T758] CPU: 2 UID: 0 PID: 758 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.900296][ T758] Tainted: [W]=WARN [ 34.900297][ T758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.900299][ T758] Call Trace: [ 34.900300][ T758] [ 34.900301][ T758] dump_stack_lvl+0x6f/0xa0 [ 34.900307][ T758] __might_resched.cold+0x1fe/0x2c1 [ 34.900311][ T758] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.900315][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900319][ T758] __kmalloc_noprof+0x443/0x760 [ 34.900322][ T758] ? __rwlock_init+0x150/0x150 [ 34.900325][ T758] ? alloc_buf.isra.0+0x4b/0x260 [ 34.900329][ T758] ? do_raw_spin_unlock+0x59/0x250 [ 34.900331][ T758] alloc_buf.isra.0+0x4b/0x260 [ 34.900333][ T758] put_chars+0x1e1/0x2f0 [ 34.900336][ T758] ? __send_to_port+0x420/0x420 [ 34.900338][ T758] ? printk_get_next_message+0x240/0x650 [ 34.900341][ T758] hvc_console_print+0x292/0x780 [ 34.900345][ T758] ? hvc_write+0x3a0/0x3a0 [ 34.900346][ T758] ? __rwlock_init+0x150/0x150 [ 34.900348][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900350][ T758] ? lock_acquire+0x13c/0x160 [ 34.900352][ T758] console_emit_next_record+0x22f/0x4c0 [ 34.900355][ T758] ? devkmsg_read+0x4b0/0x4b0 [ 34.900357][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900359][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900360][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900362][ T758] ? lock_acquire+0x13c/0x160 [ 34.900364][ T758] ? console_flush_one_record+0x111/0x710 [ 34.900366][ T758] console_flush_one_record+0x46f/0x710 [ 34.900368][ T758] ? console_emit_next_record+0x4c0/0x4c0 [ 34.900371][ T758] console_unlock+0xee/0x1f0 [ 34.900373][ T758] ? lock_acquire+0x13c/0x160 [ 34.900374][ T758] ? console_flush_one_record+0x710/0x710 [ 34.900376][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900378][ T758] ? lock_release+0x184/0x1f0 [ 34.900379][ T758] ? lock_acquire+0x60/0x160 [ 34.900381][ T758] ? __rcu_read_lock+0x30/0x70 [ 34.900383][ T758] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.900385][ T758] ? vprintk_emit+0x320/0x3e0 [ 34.900387][ T758] vprintk_emit+0x37c/0x3e0 [ 34.900389][ T758] ? wake_up_klogd_work_func+0x90/0x90 [ 34.900391][ T758] ? kernel_text_address+0x149/0x170 [ 34.900393][ T758] ? __kernel_text_address+0x12/0x30 [ 34.900395][ T758] ? write_profile+0xf0/0xf0 [ 34.900397][ T758] ? unwind_get_return_address+0x67/0xd0 [ 34.900400][ T758] _printk+0xc7/0x100 [ 34.900403][ T758] ? snapshot_read.cold+0x21/0x21 [ 34.900405][ T758] ? netdev_name+0x43/0x60 [ 34.900408][ T758] ? __netdev_printk+0x17f/0x1d0 [ 34.900410][ T758] netdev_info+0xe2/0x116 [ 34.900411][ T758] ? netdev_notice+0x120/0x120 [ 34.900413][ T758] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 34.900418][ T758] ? __module_address+0x36/0x330 [ 34.900421][ T758] ? lock_acquire+0x13c/0x160 [ 34.900423][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900425][ T758] ? lock_release+0x184/0x1f0 [ 34.900427][ T758] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 34.900430][ T758] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 34.900434][ T758] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 34.900437][ T758] ? lock_acquire+0x13c/0x160 [ 34.900438][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900440][ T758] ? lock_release+0x184/0x1f0 [ 34.900442][ T758] ovpn_peer_remove+0x394/0x640 [ovpn] [ 34.900445][ T758] ? do_raw_spin_lock+0x131/0x280 [ 34.900447][ T758] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 34.900450][ T758] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 34.900454][ T758] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 34.900457][ T758] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 34.900460][ T758] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 34.900462][ T758] ? sysvec_apic_timer_interrupt+0xaa/0xe0 [ 34.900467][ T758] ? lock_release+0x184/0x1f0 [ 34.900469][ T758] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 34.900472][ T758] genl_family_rcv_msg_doit+0x206/0x300 [ 34.900477][ T758] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 34.900479][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900481][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900483][ T758] ? cap_capable+0x1d7/0x3d0 [ 34.900487][ T758] ? write_profile+0xf0/0xf0 [ 34.900488][ T758] ? unwind_get_return_address+0x67/0xd0 [ 34.900490][ T758] genl_family_rcv_msg+0x3a4/0x640 [ 34.900492][ T758] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 34.900494][ T758] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 34.900496][ T758] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 34.900499][ T758] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 34.900501][ T758] ? filter_irq_stacks+0xd0/0xd0 [ 34.900503][ T758] ? stack_depot_save_flags+0x1bc/0x790 [ 34.900507][ T758] genl_rcv_msg+0xbb/0x160 [ 34.900509][ T758] netlink_rcv_skb+0x14e/0x3a0 [ 34.900511][ T758] ? genl_family_rcv_msg+0x640/0x640 [ 34.900513][ T758] ? netlink_ack+0xcf0/0xcf0 [ 34.900516][ T758] ? lock_acquire+0x13c/0x160 [ 34.900517][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900520][ T758] ? lock_release+0x184/0x1f0 [ 34.900521][ T758] genl_rcv+0x28/0x40 [ 34.900523][ T758] netlink_unicast+0x486/0x750 [ 34.900526][ T758] ? netlink_attachskb+0x810/0x810 [ 34.900527][ T758] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.900530][ T758] ? trace_hardirqs_on+0x36/0x40 [ 34.900531][ T758] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 34.900534][ T758] netlink_sendmsg+0x735/0xc60 [ 34.900536][ T758] ? netlink_unicast+0x750/0x750 [ 34.900538][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900540][ T758] ? lock_release+0x184/0x1f0 [ 34.900542][ T758] ____sys_sendmsg+0x415/0x880 [ 34.900546][ T758] ? copy_msghdr_from_user+0x279/0x420 [ 34.900547][ T758] ? get_timestamp.constprop.0+0x390/0x390 [ 34.900549][ T758] ? move_addr_to_kernel+0x40/0x40 [ 34.900552][ T758] ___sys_sendmsg+0x14e/0x1d0 [ 34.900554][ T758] ? copy_msghdr_from_user+0x420/0x420 [ 34.900556][ T758] ? kfree+0x22/0x590 [ 34.900561][ T758] __sys_sendmsg+0x12c/0x1d0 [ 34.900563][ T758] ? __sys_sendmsg_sock+0x20/0x20 [ 34.900566][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900567][ T758] ? rcu_is_watching+0x16/0xd0 [ 34.900570][ T758] do_syscall_64+0xff/0x530 [ 34.900572][ T758] ? exc_page_fault+0xee/0x100 [ 34.900573][ T758] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.900576][ T758] RIP: 0033:0x7fa21378a54e [ 34.900578][ T758] 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 [ 34.900579][ T758] RSP: 002b:00007ffdee456010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.900583][ T758] RAX: ffffffffffffffda RBX: 000000003d081130 RCX: 00007fa21378a54e [ 34.900584][ T758] RDX: 0000000000000000 RSI: 00007ffdee4560b0 RDI: 0000000000000005 [ 34.900585][ T758] RBP: 00007ffdee456020 R08: 0000000000000000 R09: 0000000000000000 [ 34.900586][ T758] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003d081200 [ 34.900587][ T758] R13: 00007ffdee4560b0 R14: 000000003d082260 R15: 000000000040bda8 [ 34.900589][ T758] [ 34.980339][ T762] tun2: deleting peer with id 2, reason 1 [ 40.609980][ T69] tun0: deleting peer with id 4, reason 2 [ 40.610001][ T69] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.610004][ T69] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 69, name: kworker/3:1 [ 40.610005][ T69] preempt_count: 202, expected: 0 [ 40.610006][ T69] RCU nest depth: 0, expected: 0 [ 40.610007][ T69] INFO: lockdep is turned off. [ 40.610008][ T69] irq event stamp: 9614 [ 40.610009][ T69] hardirqs last enabled at (9613): [] _raw_spin_unlock_irq+0x28/0x50 [ 40.610017][ T69] hardirqs last disabled at (9614): [] __schedule+0x1246/0x20e0 [ 40.610020][ T69] softirqs last enabled at (9386): [] handle_softirqs+0x67c/0x900 [ 40.610024][ T69] softirqs last disabled at (9347): [] do_softirq+0xac/0xe0 [ 40.610026][ T69] Preemption disabled at: [ 40.610027][ T69] [<0000000000000000>] 0x0 [ 40.610034][ T69] CPU: 3 UID: 0 PID: 69 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.610038][ T69] Tainted: [W]=WARN [ 40.610039][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.610041][ T69] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.610051][ T69] Call Trace: [ 40.610053][ T69] [ 40.610055][ T69] dump_stack_lvl+0x6f/0xa0 [ 40.610061][ T69] __might_resched.cold+0x1fe/0x2c1 [ 40.610065][ T69] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.610068][ T69] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 40.610071][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610075][ T69] __kmalloc_noprof+0x443/0x760 [ 40.610078][ T69] ? __rwlock_init+0x150/0x150 [ 40.610081][ T69] ? alloc_buf.isra.0+0x4b/0x260 [ 40.610085][ T69] ? do_raw_spin_unlock+0x59/0x250 [ 40.610086][ T69] alloc_buf.isra.0+0x4b/0x260 [ 40.610089][ T69] put_chars+0x1e1/0x2f0 [ 40.610091][ T69] ? prb_final_commit+0x50/0x50 [ 40.610092][ T69] ? __send_to_port+0x420/0x420 [ 40.610094][ T69] ? printk_get_next_message+0x240/0x650 [ 40.610097][ T69] hvc_console_print+0x292/0x780 [ 40.610101][ T69] ? hvc_write+0x3a0/0x3a0 [ 40.610103][ T69] ? do_raw_spin_lock+0x131/0x280 [ 40.610104][ T69] ? vsnprintf+0x527/0x1700 [ 40.610106][ T69] ? __rwlock_init+0x150/0x150 [ 40.610108][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610110][ T69] ? lock_acquire+0x13c/0x160 [ 40.610112][ T69] console_emit_next_record+0x22f/0x4c0 [ 40.610115][ T69] ? devkmsg_read+0x4b0/0x4b0 [ 40.610117][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610119][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610120][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610122][ T69] ? lock_acquire+0x13c/0x160 [ 40.610124][ T69] ? console_flush_one_record+0x111/0x710 [ 40.610126][ T69] console_flush_one_record+0x46f/0x710 [ 40.610128][ T69] ? console_emit_next_record+0x4c0/0x4c0 [ 40.610131][ T69] console_unlock+0xee/0x1f0 [ 40.610132][ T69] ? lock_acquire+0x13c/0x160 [ 40.610134][ T69] ? console_flush_one_record+0x710/0x710 [ 40.610136][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610137][ T69] ? lock_release+0x184/0x1f0 [ 40.610139][ T69] ? lock_acquire+0x60/0x160 [ 40.610140][ T69] ? __rcu_read_lock+0x30/0x70 [ 40.610142][ T69] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.610144][ T69] ? vprintk_emit+0x320/0x3e0 [ 40.610146][ T69] vprintk_emit+0x37c/0x3e0 [ 40.610148][ T69] ? wake_up_klogd_work_func+0x90/0x90 [ 40.610150][ T69] ? arch_stack_walk+0xd7/0x130 [ 40.610153][ T69] ? queued_spin_lock_slowpath+0x103/0xa60 [ 40.610155][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610157][ T69] _printk+0xc7/0x100 [ 40.610160][ T69] ? snapshot_read.cold+0x21/0x21 [ 40.610162][ T69] ? __add_to_free_list+0x81/0x5c0 [ 40.610164][ T69] ? __mod_zone_page_state+0xe1/0x190 [ 40.610167][ T69] ? netdev_name+0x43/0x60 [ 40.610169][ T69] ? __netdev_printk+0x17f/0x1d0 [ 40.610171][ T69] netdev_info+0xe2/0x116 [ 40.610173][ T69] ? netdev_notice+0x120/0x120 [ 40.610175][ T69] ? free_pcppages_bulk+0x363/0x6e0 [ 40.610177][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610178][ T69] ? trace_irq_enable.constprop.0+0x30/0x160 [ 40.610181][ T69] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 40.610186][ T69] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 40.610188][ T69] ? __rwlock_init+0x150/0x150 [ 40.610190][ T69] ? lock_acquire+0x13c/0x160 [ 40.610191][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610194][ T69] ovpn_peer_remove+0x394/0x640 [ovpn] [ 40.610197][ T69] ? do_raw_spin_lock+0x131/0x280 [ 40.610199][ T69] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 40.610202][ T69] ? __rwlock_init+0x150/0x150 [ 40.610203][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610205][ T69] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.610206][ T69] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 40.610208][ T69] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 40.610211][ T69] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 40.610213][ T69] ? __rwlock_init+0x150/0x150 [ 40.610216][ T69] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 40.610219][ T69] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 40.610221][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610223][ T69] ? lock_acquire+0x13c/0x160 [ 40.610225][ T69] ? rcu_is_watching+0x16/0xd0 [ 40.610227][ T69] process_one_work+0xe3e/0x1560 [ 40.610231][ T69] ? __queue_delayed_work+0x470/0x470 [ 40.610233][ T69] ? kthread_data+0x7e/0xc0 [ 40.610236][ T69] ? __rwlock_init+0x150/0x150 [ 40.610238][ T69] worker_thread+0x4f1/0xd60 [ 40.610241][ T69] ? rescuer_thread+0x1340/0x1340 [ 40.610243][ T69] ? __kthread_parkme+0xbd/0x210 [ 40.610244][ T69] ? rescuer_thread+0x1340/0x1340 [ 40.610246][ T69] ? rescuer_thread+0x1340/0x1340 [ 40.610248][ T69] kthread+0x367/0x460 [ 40.610250][ T69] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.610251][ T69] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.610253][ T69] ret_from_fork+0x474/0x6b0 [ 40.610255][ T69] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 40.610257][ T69] ? __switch_to+0x5a3/0xe00 [ 40.610259][ T69] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.610261][ T69] ret_from_fork_asm+0x11/0x20 [ 40.610265][ T69] [ 40.628800][ T69] tun0: deleting peer with id 3, reason 2 [ 40.628983][ T69] tun0: deleting peer with id 5, reason 2 [ 40.629194][ T69] tun0: deleting peer with id 6, reason 2 [ 45.794068][ T63] tun3: deleting peer with id 3, reason 2 [ 45.794089][ T63] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 45.794092][ T63] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 63, name: kworker/2:2 [ 45.794094][ T63] preempt_count: 202, expected: 0 [ 45.794095][ T63] RCU nest depth: 0, expected: 0 [ 45.794096][ T63] INFO: lockdep is turned off. [ 45.794097][ T63] irq event stamp: 13748 [ 45.794098][ T63] hardirqs last enabled at (13747): [] _raw_spin_unlock_irq+0x28/0x50 [ 45.794107][ T63] hardirqs last disabled at (13748): [] __schedule+0x1246/0x20e0 [ 45.794110][ T63] softirqs last enabled at (12242): [] handle_softirqs+0x67c/0x900 [ 45.794113][ T63] softirqs last disabled at (12235): [] __irq_exit_rcu+0x145/0x1c0 [ 45.794116][ T63] Preemption disabled at: [ 45.794117][ T63] [<0000000000000000>] 0x0 [ 45.794124][ T63] CPU: 2 UID: 0 PID: 63 Comm: kworker/2:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 45.794128][ T63] Tainted: [W]=WARN [ 45.794129][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.794131][ T63] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.794139][ T63] Call Trace: [ 45.794141][ T63] [ 45.794143][ T63] dump_stack_lvl+0x6f/0xa0 [ 45.794149][ T63] __might_resched.cold+0x1fe/0x2c1 [ 45.794153][ T63] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 45.794156][ T63] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 45.794159][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794163][ T63] __kmalloc_noprof+0x443/0x760 [ 45.794167][ T63] ? __rwlock_init+0x150/0x150 [ 45.794169][ T63] ? alloc_buf.isra.0+0x4b/0x260 [ 45.794173][ T63] ? do_raw_spin_unlock+0x59/0x250 [ 45.794175][ T63] alloc_buf.isra.0+0x4b/0x260 [ 45.794178][ T63] put_chars+0x1e1/0x2f0 [ 45.794180][ T63] ? prb_final_commit+0x50/0x50 [ 45.794181][ T63] ? __send_to_port+0x420/0x420 [ 45.794183][ T63] ? printk_get_next_message+0x240/0x650 [ 45.794186][ T63] hvc_console_print+0x292/0x780 [ 45.794190][ T63] ? hvc_write+0x3a0/0x3a0 [ 45.794192][ T63] ? do_raw_spin_lock+0x131/0x280 [ 45.794194][ T63] ? vsnprintf+0x527/0x1700 [ 45.794196][ T63] ? __rwlock_init+0x150/0x150 [ 45.794197][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794199][ T63] ? lock_acquire+0x13c/0x160 [ 45.794202][ T63] console_emit_next_record+0x22f/0x4c0 [ 45.794205][ T63] ? devkmsg_read+0x4b0/0x4b0 [ 45.794207][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794208][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794210][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794212][ T63] ? lock_acquire+0x13c/0x160 [ 45.794214][ T63] ? console_flush_one_record+0x111/0x710 [ 45.794216][ T63] console_flush_one_record+0x46f/0x710 [ 45.794218][ T63] ? console_emit_next_record+0x4c0/0x4c0 [ 45.794221][ T63] console_unlock+0xee/0x1f0 [ 45.794223][ T63] ? lock_acquire+0x13c/0x160 [ 45.794224][ T63] ? console_flush_one_record+0x710/0x710 [ 45.794226][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794229][ T63] ? lock_release+0x184/0x1f0 [ 45.794231][ T63] ? lock_acquire+0x60/0x160 [ 45.794233][ T63] ? __rcu_read_lock+0x30/0x70 [ 45.794236][ T63] ? __down_trylock_console_sem+0x5e/0xa0 [ 45.794239][ T63] ? vprintk_emit+0x320/0x3e0 [ 45.794242][ T63] vprintk_emit+0x37c/0x3e0 [ 45.794246][ T63] ? wake_up_klogd_work_func+0x90/0x90 [ 45.794248][ T63] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 45.794250][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794253][ T63] ? trace_sched_wakeup+0x9b/0x160 [ 45.794257][ T63] _printk+0xc7/0x100 [ 45.794261][ T63] ? snapshot_read.cold+0x21/0x21 [ 45.794263][ T63] ? try_to_wake_up+0x153/0x1130 [ 45.794266][ T63] ? select_fallback_rq+0x510/0x510 [ 45.794269][ T63] ? netdev_name+0x43/0x60 [ 45.794272][ T63] ? __netdev_printk+0x17f/0x1d0 [ 45.794275][ T63] netdev_info+0xe2/0x116 [ 45.794278][ T63] ? netdev_notice+0x120/0x120 [ 45.794281][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794284][ T63] ? __queue_work+0x3ab/0xd30 [ 45.794289][ T63] ? trace_irq_enable.constprop.0+0x30/0x160 [ 45.794293][ T63] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 45.794300][ T63] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 45.794304][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794307][ T63] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.794310][ T63] ovpn_peer_remove+0x394/0x640 [ovpn] [ 45.794314][ T63] ? do_raw_spin_lock+0x131/0x280 [ 45.794317][ T63] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 45.794321][ T63] ? __rwlock_init+0x150/0x150 [ 45.794323][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794326][ T63] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.794328][ T63] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 45.794330][ T63] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 45.794335][ T63] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 45.794339][ T63] ? __rwlock_init+0x150/0x150 [ 45.794343][ T63] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 45.794348][ T63] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 45.794352][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794355][ T63] ? lock_acquire+0x13c/0x160 [ 45.794357][ T63] ? rcu_is_watching+0x16/0xd0 [ 45.794360][ T63] ? process_one_work+0xdfc/0x1560 [ 45.794363][ T63] process_one_work+0xe3e/0x1560 [ 45.794367][ T63] ? __queue_delayed_work+0x470/0x470 [ 45.794371][ T63] ? __rwlock_init+0x150/0x150 [ 45.794375][ T63] worker_thread+0x4f1/0xd60 [ 45.794379][ T63] ? rescuer_thread+0x1340/0x1340 [ 45.794381][ T63] ? __kthread_parkme+0xbd/0x210 [ 45.794384][ T63] ? rescuer_thread+0x1340/0x1340 [ 45.794387][ T63] ? rescuer_thread+0x1340/0x1340 [ 45.794389][ T63] kthread+0x367/0x460 [ 45.794392][ T63] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.794394][ T63] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.794397][ T63] ret_from_fork+0x474/0x6b0 [ 45.794401][ T63] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 45.794404][ T63] ? __switch_to+0x5a3/0xe00 [ 45.794407][ T63] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.794410][ T63] ret_from_fork_asm+0x11/0x20 [ 45.794416][ T63] [ 45.858031][ T63] tun4: deleting peer with id 4, reason 2 [ 45.985010][ T69] tun5: deleting peer with id 5, reason 2 [ 46.049988][ T63] tun6: deleting peer with id 6, reason 2