[ 68.072454][ T305] ------------[ cut here ]------------ [ 68.072634][ T305] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU. [ 68.072863][ T305] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0xa8b/0xe40, CPU#1: modprobe/305 [ 68.073356][ T305] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel [ 68.073596][ T305] CPU: 1 UID: 0 PID: 305 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full) [ 68.073840][ T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.074015][ T305] RIP: 0010:__alloc_workqueue+0xa8f/0xe40 [ 68.074158][ T305] Code: 80 fb 01 0f 87 24 3e 9f ff 83 e3 01 0f 84 2f 3e 9f ff 89 e8 25 02 01 00 00 0f 85 b8 f7 ff ff 48 8d 3d c5 ca ea 03 48 8b 34 24 <67> 48 0f b9 3a 31 db 81 cd 00 01 00 00 e9 ab f7 ff ff 90 0f 0b 90 [ 68.074652][ T305] RSP: 0018:ffa000000185f7f0 EFLAGS: 00010246 [ 68.074836][ T305] RAX: 0000000000000004 RBX: ffffffffc029cb60 RCX: 1ff400000030beea [ 68.075063][ T305] RDX: 0000000000000000 RSI: ff1100000c861b70 RDI: ffffffffb5ae81e0 [ 68.075285][ T305] RBP: 0000000000000000 R08: ffffffffc029cb64 R09: 0000000000000000 [ 68.075496][ T305] R10: 0000000000000000 R11: ff1100000c861b90 R12: ffa000000185f890 [ 68.075697][ T305] R13: 0000000000000000 R14: ff1100000c861a00 R15: ffffffffc0295ac0 [ 68.075903][ T305] FS: 00007fdcffe5ebc0(0000) GS:ff11000078148000(0000) knlGS:0000000000000000 [ 68.076140][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.076315][ T305] CR2: 00007f629176a574 CR3: 000000000935c006 CR4: 0000000000771ef0 [ 68.076516][ T305] PKRU: 55555554 [ 68.076615][ T305] Call Trace: [ 68.076719][ T305] [ 68.076791][ T305] ? udp_tunnel_nic_cleanup_module+0xb70/0xb70 [udp_tunnel] [ 68.076994][ T305] alloc_workqueue_noprof+0xb3/0x100 [ 68.077127][ T305] ? alloc_workqueue_lockdep_map+0x130/0x130 [ 68.077302][ T305] ? do_one_initcall+0x11a/0x4f0 [ 68.077436][ T305] ovpn_init+0x1f/0xa0 [ovpn] [ 68.077573][ T305] do_one_initcall+0x12b/0x4f0 [ 68.077707][ T305] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 68.077871][ T305] ? kasan_save_track+0x14/0x30 [ 68.078010][ T305] ? do_init_module+0xae/0x8a0 [ 68.078142][ T305] ? kasan_unpoison+0x44/0x70 [ 68.078280][ T305] do_init_module+0x2ad/0x8a0 [ 68.078413][ T305] ? lockdep_hardirqs_on+0x8c/0x130 [ 68.078542][ T305] ? free_module+0x4a0/0x4a0 [ 68.078675][ T305] ? kfree+0x123/0x5a0 [ 68.078779][ T305] load_module+0x13fa/0x1ae0 [ 68.078918][ T305] ? layout_and_allocate.isra.0+0x680/0x680 [ 68.079107][ T305] ? __ia32_sys_fsconfig+0x180/0x180 [ 68.079255][ T305] ? backing_file_read_iter+0x541/0x790 [ 68.079390][ T305] init_module_from_file+0x11f/0x1a0 [ 68.079522][ T305] ? __do_sys_init_module+0x220/0x220 [ 68.079654][ T305] ? __lock_acquire+0x518/0xc20 [ 68.079791][ T305] ? ovl_dentry_set_flag+0x3e/0x40 [ 68.079929][ T305] ? __rwlock_init+0x150/0x150 [ 68.080066][ T305] ? do_raw_spin_unlock+0x59/0x250 [ 68.080201][ T305] idempotent_init_module+0x37b/0x7c0 [ 68.080335][ T305] ? init_module_from_file+0x1a0/0x1a0 [ 68.080472][ T305] ? rcu_is_watching+0x15/0xd0 [ 68.080605][ T305] ? cap_capable+0x1d7/0x3d0 [ 68.080742][ T305] __x64_sys_finit_module+0xdf/0x190 [ 68.080873][ T305] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 68.081044][ T305] do_syscall_64+0x117/0x590 [ 68.081173][ T305] ? trace_hardirqs_off+0xd/0x30 [ 68.081311][ T305] ? exc_page_fault+0xee/0x100 [ 68.081442][ T305] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 68.081604][ T305] RIP: 0033:0x7fdcfff5437d [ 68.081750][ T305] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 68.082226][ T305] RSP: 002b:00007ffe980b4d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 68.082424][ T305] RAX: ffffffffffffffda RBX: 000055f4a71c19c0 RCX: 00007fdcfff5437d [ 68.082620][ T305] RDX: 0000000000000000 RSI: 000055f49bc8bffd RDI: 0000000000000007 [ 68.082817][ T305] RBP: 00007ffe980b4de0 R08: 0000000000000000 R09: 0000000000000000 [ 68.083029][ T305] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f49bc8bffd [ 68.083229][ T305] R13: 000055f4a71c1ae0 R14: 0000000000040000 R15: 0000000000000000 [ 68.083514][ T305] [ 68.083614][ T305] irq event stamp: 71591 [ 68.083716][ T305] hardirqs last enabled at (71599): [] __up_console_sem+0x5a/0x70 [ 68.083944][ T305] hardirqs last disabled at (71606): [] __up_console_sem+0x3f/0x70 [ 68.084176][ T305] softirqs last enabled at (71052): [] handle_softirqs+0x5e5/0x8f0 [ 68.084446][ T305] softirqs last disabled at (70597): [] __irq_exit_rcu+0x103/0x1c0 [ 68.084673][ T305] ---[ end trace 0000000000000000 ]--- [ 76.976352][ C2] tun0: no available key for peer 6, key-id: 0 [ 83.221119][ T579] iperf3 (579) used greatest stack depth: 22896 bytes left [ 83.442742][ T451] tun1: deleting peer with id 10, reason 4 [ 83.448587][ T465] tun3: deleting peer with id 12, reason 4 [ 83.451200][ T458] tun2: deleting peer with id 11, reason 4 [ 83.451420][ T486] tun0: deleting peer with id 6, reason 4 [ 83.451475][ T479] tun5: deleting peer with id 14, reason 4 [ 83.451752][ T472] tun4: deleting peer with id 13, reason 4 [ 83.452575][ T487] tun6: deleting peer with id 15, reason 4 [ 83.458119][ T486] tun0: deleting peer with id 5, reason 4 [ 83.462746][ T486] tun0: deleting peer with id 4, reason 4 [ 83.465314][ T486] tun0: deleting peer with id 3, reason 4 [ 83.472318][ T486] tun0: deleting peer with id 2, reason 4 [ 83.480326][ T486] tun0: deleting peer with id 1, reason 4