[ 577.384437][ C2] tun0: no available key for peer 4, key-id: 0 [ 577.481129][ C0] tun0: no available key for peer 5, key-id: 0 [ 577.583972][ C2] tun0: no available key for peer 6, key-id: 0 [ 591.743107][ T12] ------------[ cut here ]------------ [ 591.743440][ T12] WARNING: net/core/gro_cells.c:30 at gro_cells_receive+0x708/0xaa0, CPU#2: kworker/u16:0/12 [ 591.743796][ T12] Modules linked in: ovpn udp_tunnel ip6_udp_tunnel 8021q sch_netem [last unloaded: udp_tunnel] [ 591.744177][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.0.0-virtme #11 PREEMPT(full) [ 591.744446][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.744661][ T12] Workqueue: kstrp strp_work [ 591.744839][ T12] RIP: 0010:gro_cells_receive+0x708/0xaa0 [ 591.745019][ T12] Code: 00 31 ff e8 ea dd de ff bb 01 00 00 00 e9 76 fa ff ff 65 8b 05 09 3b 93 02 f6 c4 ff 74 0b a9 00 00 ff 00 0f 84 46 fc ff ff 90 <0f> 0b 90 e9 3d fc ff ff 48 8d 58 58 48 89 df e8 d4 d7 e3 ff 84 c0 [ 591.745520][ T12] RSP: 0018:ffa00000000c78d8 EFLAGS: 00010246 [ 591.745718][ T12] RAX: 0000000080000000 RBX: ff1100000b6258c0 RCX: 1ffffffff20142d8 [ 591.745958][ T12] RDX: 0000000000000000 RSI: ffffffff8ec702c0 RDI: ff1100000a4d90c8 [ 591.746199][ T12] RBP: ff1100000a4d9000 R08: 0000000000000000 R09: 0000000000000001 [ 591.746426][ T12] R10: 0000000000000002 R11: 0000000000000001 R12: ff1100000a4d9e20 [ 591.746745][ T12] R13: 0000000000000040 R14: 0000000000000058 R15: ff1100000b625974 [ 591.746986][ T12] FS: 0000000000000000(0000) GS:ff110000a4815000(0000) knlGS:0000000000000000 [ 591.747246][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 591.747449][ T12] CR2: 00007fea742d8cd4 CR3: 000000000eb16005 CR4: 0000000000771ef0 [ 591.747697][ T12] PKRU: 55555554 [ 591.747832][ T12] Call Trace: [ 591.748057][ T12] [ 591.748169][ T12] ovpn_decrypt_post+0xc19/0x19b0 [ovpn] [ 591.748346][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn] [ 591.748533][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 591.748742][ T12] ? __copy_skb_header+0xb7/0x510 [ 591.748910][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 591.749084][ T12] ? __skb_ext_del+0x230/0x3c0 [ 591.749250][ T12] __strp_recv+0x20f/0x1c30 [ 591.749422][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 591.749633][ T12] __tcp_read_sock+0x1c7/0x850 [ 591.749802][ T12] ? strp_process+0xb0/0xb0 [ 591.749976][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 591.750144][ T12] strp_read_sock+0x20f/0x2b0 [ 591.750312][ T12] ? strp_stop+0x50/0x50 [ 591.750446][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.750628][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 591.750797][ T12] ? __local_bh_enable_ip+0xa5/0x140 [ 591.750970][ T12] strp_work+0x9f/0xe0 [ 591.751106][ T12] process_one_work+0xdf5/0x1410 [ 591.751277][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 591.751439][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 591.751621][ T12] worker_thread+0x4f1/0xd60 [ 591.751791][ T12] ? rescuer_thread+0x1320/0x1320 [ 591.751960][ T12] kthread+0x364/0x460 [ 591.752098][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 591.752291][ T12] ? kthread_affine_node+0x330/0x330 [ 591.752532][ T12] ret_from_fork+0x474/0x6b0 [ 591.752704][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 591.752897][ T12] ? __switch_to+0x5a3/0xe00 [ 591.753069][ T12] ? kthread_affine_node+0x330/0x330 [ 591.753232][ T12] ret_from_fork_asm+0x11/0x20 [ 591.753405][ T12] [ 591.753553][ T12] irq event stamp: 3364753 [ 591.753717][ T12] hardirqs last enabled at (3364763): [] __up_console_sem+0x5a/0x70 [ 591.753977][ T12] hardirqs last disabled at (3364772): [] __up_console_sem+0x3f/0x70 [ 591.754233][ T12] softirqs last enabled at (3364298): [] handle_softirqs+0x60d/0x930 [ 591.754499][ T12] softirqs last disabled at (3364291): [] __irq_exit_rcu+0x103/0x1c0 [ 591.754752][ T12] ---[ end trace 0000000000000000 ]--- [ 591.754946][ T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12 [ 591.755183][ T12] caller is gro_cells_receive+0x37c/0xaa0 [ 591.755345][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.0.0-virtme #11 PREEMPT(full) [ 591.755350][ T12] Tainted: [W]=WARN [ 591.755351][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.755352][ T12] Workqueue: kstrp strp_work [ 591.755356][ T12] Call Trace: [ 591.755357][ T12] [ 591.755359][ T12] dump_stack_lvl+0x6f/0xa0 [ 591.755364][ T12] check_preemption_disabled+0xdb/0xf0 [ 591.755368][ T12] gro_cells_receive+0x37c/0xaa0 [ 591.755371][ T12] ovpn_decrypt_post+0xc19/0x19b0 [ovpn] [ 591.755379][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn] [ 591.755383][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 591.755387][ T12] ? __copy_skb_header+0xb7/0x510 [ 591.755389][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 591.755392][ T12] ? __skb_ext_del+0x230/0x3c0 [ 591.755395][ T12] __strp_recv+0x20f/0x1c30 [ 591.755400][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 591.755404][ T12] __tcp_read_sock+0x1c7/0x850 [ 591.755407][ T12] ? strp_process+0xb0/0xb0 [ 591.755410][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 591.755415][ T12] strp_read_sock+0x20f/0x2b0 [ 591.755418][ T12] ? strp_stop+0x50/0x50 [ 591.755420][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.755423][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 591.755425][ T12] ? __local_bh_enable_ip+0xa5/0x140 [ 591.755427][ T12] strp_work+0x9f/0xe0 [ 591.755429][ T12] process_one_work+0xdf5/0x1410 [ 591.755435][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 591.755437][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 591.755443][ T12] worker_thread+0x4f1/0xd60 [ 591.755449][ T12] ? rescuer_thread+0x1320/0x1320 [ 591.755451][ T12] kthread+0x364/0x460 [ 591.755453][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 591.755459][ T12] ? kthread_affine_node+0x330/0x330 [ 591.755461][ T12] ret_from_fork+0x474/0x6b0 [ 591.755463][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 591.755466][ T12] ? __switch_to+0x5a3/0xe00 [ 591.755468][ T12] ? kthread_affine_node+0x330/0x330 [ 591.755471][ T12] ret_from_fork_asm+0x11/0x20 [ 591.755478][ T12] [ 591.760363][ T12] [ 591.760419][ T12] ================================ [ 591.760501][ T12] WARNING: inconsistent lock state [ 591.760583][ T12] 7.0.0-virtme #11 Tainted: G W [ 591.760681][ T12] -------------------------------- [ 591.760758][ T12] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 591.760851][ T12] kworker/u16:0/12 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 591.760956][ T12] ffd1ffffffd0ba40 (&cell->bh_lock){+.?.}-{3:3}, at: gro_cells_receive+0x3c6/0xaa0 [ 591.761096][ T12] {IN-SOFTIRQ-W} state was registered at: [ 591.761175][ T12] __lock_acquire+0x378/0xc10 [ 591.761256][ T12] lock_acquire.part.0+0xbc/0x260 [ 591.761332][ T12] gro_cells_receive+0x3dc/0xaa0 [ 591.761410][ T12] ovpn_crypto_key_id_to_slot+0x169/0x550 [ovpn] [ 591.761508][ T12] ovpn_tcp_socket_attach+0x835/0xc50 [ovpn] [ 591.761602][ T12] udp_queue_rcv_one_skb+0x64e/0xaf0 [ 591.761680][ T12] udp_unicast_rcv_skb+0x35e/0x440 [ 591.761759][ T12] udp_rcv+0xd01/0x1e20 [ 591.761817][ T12] ip_protocol_deliver_rcu+0x82/0x350 [ 591.761893][ T12] ip_local_deliver_finish+0x388/0x620 [ 591.761975][ T12] ip_local_deliver+0x18c/0x4d0 [ 591.762050][ T12] ip_rcv+0xdc/0x3d0 [ 591.762107][ T12] __netif_receive_skb_one_core+0xfc/0x180 [ 591.762202][ T12] process_backlog+0x2bc/0x1490 [ 591.762278][ T12] __napi_poll+0xa3/0x3a0 [ 591.762359][ T12] net_rx_action+0x513/0xf50 [ 591.762439][ T12] handle_softirqs+0x1d8/0x930 [ 591.762516][ T12] do_softirq+0xa9/0xe0 [ 591.762577][ T12] __local_bh_enable_ip+0x113/0x140 [ 591.762655][ T12] __dev_queue_xmit+0x976/0x1b70 [ 591.762732][ T12] ip_finish_output2+0x5b9/0x1bc0 [ 591.762810][ T12] ip_output+0x1c1/0x660 [ 591.762869][ T12] ip_push_pending_frames+0xf6/0x250 [ 591.762950][ T12] raw_sendmsg+0x11f0/0x1af0 [ 591.763029][ T12] __sys_sendto+0x2c9/0x400 [ 591.763108][ T12] __x64_sys_sendto+0xe4/0x1f0 [ 591.763184][ T12] do_syscall_64+0x117/0xfc0 [ 591.763261][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 591.763354][ T12] irq event stamp: 3364843 [ 591.763431][ T12] hardirqs last enabled at (3364843): [] irqentry_exit+0x226/0x720 [ 591.763562][ T12] hardirqs last disabled at (3364842): [] common_interrupt+0x17/0xf0 [ 591.763695][ T12] softirqs last enabled at (3364298): [] handle_softirqs+0x60d/0x930 [ 591.763831][ T12] softirqs last disabled at (3364291): [] __irq_exit_rcu+0x103/0x1c0 [ 591.763968][ T12] [ 591.763968][ T12] other info that might help us debug this: [ 591.764089][ T12] Possible unsafe locking scenario: [ 591.764089][ T12] [ 591.764200][ T12] CPU0 [ 591.764257][ T12] ---- [ 591.764314][ T12] lock(&cell->bh_lock); [ 591.764372][ T12] [ 591.764429][ T12] lock(&cell->bh_lock); [ 591.764504][ T12] [ 591.764504][ T12] *** DEADLOCK *** [ 591.764504][ T12] [ 591.764615][ T12] 4 locks held by kworker/u16:0/12: [ 591.764693][ T12] #0: ff11000008d8e540 ((wq_completion)kstrp){+.+.}-{0:0}, at: process_one_work+0xd52/0x1410 [ 591.764846][ T12] #1: ffa00000000c7d10 ((work_completion)(&strp->work)){+.+.}-{0:0}, at: process_one_work+0xdb4/0x1410 [ 591.764998][ T12] #2: ff1100000ed08290 (sk_lock-AF_INET){+.+.}-{0:0}, at: strp_work+0x40/0xe0 [ 591.765133][ T12] #3: ffffffff8f787e20 (rcu_read_lock){....}-{1:3}, at: gro_cells_receive+0x51/0xaa0 [ 591.765267][ T12] [ 591.765267][ T12] stack backtrace: [ 591.765362][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.0.0-virtme #11 PREEMPT(full) [ 591.765365][ T12] Tainted: [W]=WARN [ 591.765366][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.765367][ T12] Workqueue: kstrp strp_work [ 591.765370][ T12] Call Trace: [ 591.765370][ T12] [ 591.765372][ T12] dump_stack_lvl+0x6f/0xa0 [ 591.765375][ T12] print_usage_bug.part.0.cold+0xa9/0xb7 [ 591.765377][ T12] ? filter_irq_stacks+0xd0/0xd0 [ 591.765380][ T12] mark_lock_irq+0x4e3/0x9c0 [ 591.765382][ T12] ? save_trace+0x68/0x280 [ 591.765384][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.765386][ T12] mark_lock+0x1d7/0xa00 [ 591.765388][ T12] mark_usage+0x105/0x170 [ 591.765389][ T12] __lock_acquire+0x378/0xc10 [ 591.765391][ T12] lock_acquire.part.0+0xbc/0x260 [ 591.765392][ T12] ? gro_cells_receive+0x3c6/0xaa0 [ 591.765394][ T12] ? rcu_is_watching+0x15/0xd0 [ 591.765396][ T12] ? lock_acquire+0x134/0x160 [ 591.765397][ T12] gro_cells_receive+0x3dc/0xaa0 [ 591.765399][ T12] ? gro_cells_receive+0x3c6/0xaa0 [ 591.765401][ T12] ovpn_decrypt_post+0xc19/0x19b0 [ovpn] [ 591.765405][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn] [ 591.765408][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 591.765410][ T12] ? __copy_skb_header+0xb7/0x510 [ 591.765412][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 591.765415][ T12] ? __skb_ext_del+0x230/0x3c0 [ 591.765416][ T12] __strp_recv+0x20f/0x1c30 [ 591.765419][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 591.765421][ T12] __tcp_read_sock+0x1c7/0x850 [ 591.765423][ T12] ? strp_process+0xb0/0xb0 [ 591.765425][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 591.765427][ T12] strp_read_sock+0x20f/0x2b0 [ 591.765429][ T12] ? strp_stop+0x50/0x50 [ 591.765430][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.765432][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 591.765434][ T12] ? __local_bh_enable_ip+0xa5/0x140 [ 591.765435][ T12] strp_work+0x9f/0xe0 [ 591.765436][ T12] process_one_work+0xdf5/0x1410 [ 591.765439][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 591.765441][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 591.765443][ T12] worker_thread+0x4f1/0xd60 [ 591.765445][ T12] ? rescuer_thread+0x1320/0x1320 [ 591.765447][ T12] kthread+0x364/0x460 [ 591.765448][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 591.765450][ T12] ? kthread_affine_node+0x330/0x330 [ 591.765452][ T12] ret_from_fork+0x474/0x6b0 [ 591.765453][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 591.765455][ T12] ? __switch_to+0x5a3/0xe00 [ 591.765456][ T12] ? kthread_affine_node+0x330/0x330 [ 591.765458][ T12] ret_from_fork_asm+0x11/0x20 [ 591.765461][ T12] [ 591.769967][ T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12 [ 591.770172][ T12] caller is gro_cells_receive+0x496/0xaa0 [ 591.770289][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.0.0-virtme #11 PREEMPT(full) [ 591.770293][ T12] Tainted: [W]=WARN [ 591.770294][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.770294][ T12] Workqueue: kstrp strp_work [ 591.770298][ T12] Call Trace: [ 591.770299][ T12] [ 591.770300][ T12] dump_stack_lvl+0x6f/0xa0 [ 591.770304][ T12] check_preemption_disabled+0xdb/0xf0 [ 591.770306][ T12] gro_cells_receive+0x496/0xaa0 [ 591.770308][ T12] ovpn_decrypt_post+0xc19/0x19b0 [ovpn] [ 591.770313][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn] [ 591.770316][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 591.770319][ T12] ? __copy_skb_header+0xb7/0x510 [ 591.770320][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 591.770323][ T12] ? __skb_ext_del+0x230/0x3c0 [ 591.770324][ T12] __strp_recv+0x20f/0x1c30 [ 591.770327][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 591.770329][ T12] __tcp_read_sock+0x1c7/0x850 [ 591.770331][ T12] ? strp_process+0xb0/0xb0 [ 591.770332][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 591.770335][ T12] strp_read_sock+0x20f/0x2b0 [ 591.770336][ T12] ? strp_stop+0x50/0x50 [ 591.770338][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.770339][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 591.770341][ T12] ? __local_bh_enable_ip+0xa5/0x140 [ 591.770342][ T12] strp_work+0x9f/0xe0 [ 591.770344][ T12] process_one_work+0xdf5/0x1410 [ 591.770346][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 591.770348][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 591.770350][ T12] worker_thread+0x4f1/0xd60 [ 591.770353][ T12] ? rescuer_thread+0x1320/0x1320 [ 591.770354][ T12] kthread+0x364/0x460 [ 591.770355][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 591.770357][ T12] ? kthread_affine_node+0x330/0x330 [ 591.770358][ T12] ret_from_fork+0x474/0x6b0 [ 591.770360][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 591.770361][ T12] ? __switch_to+0x5a3/0xe00 [ 591.770363][ T12] ? kthread_affine_node+0x330/0x330 [ 591.770364][ T12] ret_from_fork_asm+0x11/0x20 [ 591.770367][ T12] [ 591.770373][ T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12 [ 591.775497][ T12] caller is gro_cells_receive+0x5eb/0xaa0 [ 591.775614][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.0.0-virtme #11 PREEMPT(full) [ 591.775618][ T12] Tainted: [W]=WARN [ 591.775618][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.775619][ T12] Workqueue: kstrp strp_work [ 591.775622][ T12] Call Trace: [ 591.775623][ T12] [ 591.775625][ T12] dump_stack_lvl+0x6f/0xa0 [ 591.775628][ T12] check_preemption_disabled+0xdb/0xf0 [ 591.775630][ T12] gro_cells_receive+0x5eb/0xaa0 [ 591.775632][ T12] ovpn_decrypt_post+0xc19/0x19b0 [ovpn] [ 591.775636][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn] [ 591.775639][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 591.775642][ T12] ? __copy_skb_header+0xb7/0x510 [ 591.775643][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 591.775646][ T12] ? __skb_ext_del+0x230/0x3c0 [ 591.775648][ T12] __strp_recv+0x20f/0x1c30 [ 591.775650][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 591.775652][ T12] __tcp_read_sock+0x1c7/0x850 [ 591.775654][ T12] ? strp_process+0xb0/0xb0 [ 591.775656][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 591.775658][ T12] strp_read_sock+0x20f/0x2b0 [ 591.775660][ T12] ? strp_stop+0x50/0x50 [ 591.775661][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.775663][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 591.775665][ T12] ? __local_bh_enable_ip+0xa5/0x140 [ 591.775666][ T12] strp_work+0x9f/0xe0 [ 591.775668][ T12] process_one_work+0xdf5/0x1410 [ 591.775670][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 591.775671][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 591.775674][ T12] worker_thread+0x4f1/0xd60 [ 591.775676][ T12] ? rescuer_thread+0x1320/0x1320 [ 591.775678][ T12] kthread+0x364/0x460 [ 591.775679][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 591.775680][ T12] ? kthread_affine_node+0x330/0x330 [ 591.775682][ T12] ret_from_fork+0x474/0x6b0 [ 591.775683][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 591.775685][ T12] ? __switch_to+0x5a3/0xe00 [ 591.775686][ T12] ? kthread_affine_node+0x330/0x330 [ 591.775688][ T12] ret_from_fork_asm+0x11/0x20 [ 591.775691][ T12] [ 591.775701][ T12] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:0/12 [ 591.780505][ T12] caller is ovpn_decrypt_post+0xcbe/0x19b0 [ovpn] [ 591.780641][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.0.0-virtme #11 PREEMPT(full) [ 591.780644][ T12] Tainted: [W]=WARN [ 591.780645][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.780646][ T12] Workqueue: kstrp strp_work [ 591.780649][ T12] Call Trace: [ 591.780650][ T12] [ 591.780651][ T12] dump_stack_lvl+0x6f/0xa0 [ 591.780654][ T12] check_preemption_disabled+0xdb/0xf0 [ 591.780657][ T12] ovpn_decrypt_post+0xcbe/0x19b0 [ovpn] [ 591.780661][ T12] ovpn_tcp_rcv+0x279/0x910 [ovpn] [ 591.780664][ T12] ? ovpn_tcp_write_space+0x2e0/0x2e0 [ovpn] [ 591.780666][ T12] ? __copy_skb_header+0xb7/0x510 [ 591.780668][ T12] ? ovpn_tcp_disconnect+0x10/0x10 [ovpn] [ 591.780670][ T12] ? __skb_ext_del+0x230/0x3c0 [ 591.780672][ T12] __strp_recv+0x20f/0x1c30 [ 591.780674][ T12] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 591.780676][ T12] __tcp_read_sock+0x1c7/0x850 [ 591.780678][ T12] ? strp_process+0xb0/0xb0 [ 591.780680][ T12] ? tcp_cleanup_rbuf+0x1c0/0x1c0 [ 591.780682][ T12] strp_read_sock+0x20f/0x2b0 [ 591.780684][ T12] ? strp_stop+0x50/0x50 [ 591.780685][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 591.780687][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 591.780689][ T12] ? __local_bh_enable_ip+0xa5/0x140 [ 591.780690][ T12] strp_work+0x9f/0xe0 [ 591.780692][ T12] process_one_work+0xdf5/0x1410 [ 591.780694][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 591.780696][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 591.780698][ T12] worker_thread+0x4f1/0xd60 [ 591.780701][ T12] ? rescuer_thread+0x1320/0x1320 [ 591.780702][ T12] kthread+0x364/0x460 [ 591.780703][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 591.780705][ T12] ? kthread_affine_node+0x330/0x330 [ 591.780706][ T12] ret_from_fork+0x474/0x6b0 [ 591.780708][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 591.780709][ T12] ? __switch_to+0x5a3/0xe00 [ 591.780711][ T12] ? kthread_affine_node+0x330/0x330 [ 591.780712][ T12] ret_from_fork_asm+0x11/0x20 [ 591.780715][ T12] [ 594.137987][ T8559] iperf3 (8559) used greatest stack depth: 22872 bytes left [ 595.325557][ T8653] tun0: deleting peer with id 1, reason 1 [ 595.373567][ T8657] tun1: deleting peer with id 10, reason 1 [ 597.849960][ T8705] tun0: deleting peer with id 2, reason 1 [ 597.905975][ T8709] tun2: deleting peer with id 11, reason 1 [ 603.477477][ T10] tun0: deleting peer with id 4, reason 2 [ 603.477732][ T10] tun0: deleting peer with id 3, reason 2 [ 603.477893][ T10] tun0: deleting peer with id 5, reason 2 [ 603.478039][ T10] tun0: deleting peer with id 6, reason 2 [ 608.598491][ T67] tun3: deleting peer with id 12, reason 2 [ 608.661483][ T67] tun4: deleting peer with id 13, reason 2 [ 608.661492][ T443] tun5: deleting peer with id 14, reason 2 [ 608.725484][ T67] tun6: deleting peer with id 15, reason 2