[ 9.935047][ T209] ------------[ cut here ]------------ [ 9.935275][ T209] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU. [ 9.935480][ T209] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0xa8b/0xe40, CPU#0: modprobe/209 [ 9.935694][ T209] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel [ 9.935890][ T209] CPU: 0 UID: 0 PID: 209 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full) [ 9.936105][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.936265][ T209] RIP: 0010:__alloc_workqueue+0xa8f/0xe40 [ 9.936392][ T209] 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 [ 9.936822][ T209] RSP: 0018:ffa00000018877f0 EFLAGS: 00010246 [ 9.936974][ T209] RAX: 0000000000000004 RBX: ffffffffc02e9b60 RCX: 1ff4000000310eea [ 9.937163][ T209] RDX: 0000000000000000 RSI: ff1100000dcde370 RDI: ffffffff900e81e0 [ 9.937342][ T209] RBP: 0000000000000000 R08: ffffffffc02e9b64 R09: 0000000000000000 [ 9.937520][ T209] R10: 0000000000000000 R11: ff1100000dcde390 R12: ffa0000001887890 [ 9.937699][ T209] R13: 0000000000000000 R14: ff1100000dcde200 R15: ffffffffc02e2ac0 [ 9.937880][ T209] FS: 00007f7394992bc0(0000) GS:ff110000a46c8000(0000) knlGS:0000000000000000 [ 9.938091][ T209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.938256][ T209] CR2: 00007f60a2d05574 CR3: 000000000d9db004 CR4: 0000000000771ef0 [ 9.938438][ T209] PKRU: 55555554 [ 9.938532][ T209] Call Trace: [ 9.938624][ T209] [ 9.938689][ T209] ? ovpn_cleanup+0x140/0x140 [ovpn] [ 9.938814][ T209] alloc_workqueue_noprof+0xb3/0x100 [ 9.938934][ T209] ? alloc_workqueue_lockdep_map+0x130/0x130 [ 9.939085][ T209] ? do_one_initcall+0x11a/0x4f0 [ 9.939215][ T209] ovpn_init+0x1f/0xa0 [ovpn] [ 9.939337][ T209] do_one_initcall+0x12b/0x4f0 [ 9.939457][ T209] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.939606][ T209] ? kasan_save_track+0x14/0x30 [ 9.939729][ T209] ? do_init_module+0xae/0x8a0 [ 9.939850][ T209] ? kasan_unpoison+0x44/0x70 [ 9.939972][ T209] do_init_module+0x2ad/0x8a0 [ 9.940091][ T209] ? lockdep_hardirqs_on+0x8c/0x130 [ 9.940224][ T209] ? free_module+0x4a0/0x4a0 [ 9.940348][ T209] ? kfree+0x123/0x5a0 [ 9.940440][ T209] load_module+0x13fa/0x1ae0 [ 9.940563][ T209] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.940713][ T209] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.940835][ T209] ? backing_file_read_iter+0x541/0x790 [ 9.940958][ T209] init_module_from_file+0x11f/0x1a0 [ 9.941077][ T209] ? __do_sys_init_module+0x220/0x220 [ 9.941208][ T209] ? __lock_acquire+0x518/0xc20 [ 9.941330][ T209] ? ovl_set_dir_cache+0x19/0x50 [ 9.941453][ T209] ? __rwlock_init+0x150/0x150 [ 9.941573][ T209] ? do_raw_spin_unlock+0x59/0x250 [ 9.941692][ T209] idempotent_init_module+0x37b/0x7c0 [ 9.941811][ T209] ? init_module_from_file+0x1a0/0x1a0 [ 9.941934][ T209] ? rcu_is_watching+0x15/0xd0 [ 9.942053][ T209] ? cap_capable+0x1d7/0x3d0 [ 9.942185][ T209] __x64_sys_finit_module+0xdf/0x190 [ 9.942303][ T209] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.942453][ T209] do_syscall_64+0x117/0x590 [ 9.942572][ T209] ? trace_hardirqs_off+0xd/0x30 [ 9.942691][ T209] ? exc_page_fault+0xee/0x100 [ 9.942811][ T209] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.942958][ T209] RIP: 0033:0x7f7394a8837d [ 9.943088][ T209] 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 [ 9.943525][ T209] RSP: 002b:00007ffdd4e59cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.943707][ T209] RAX: ffffffffffffffda RBX: 000055c47c6c89c0 RCX: 00007f7394a8837d [ 9.943886][ T209] RDX: 0000000000000000 RSI: 000055c47a76cffd RDI: 0000000000000007 [ 9.944064][ T209] RBP: 00007ffdd4e59d70 R08: 0000000000000000 R09: 0000000000000000 [ 9.944249][ T209] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c47a76cffd [ 9.944429][ T209] R13: 000055c47c6c8ae0 R14: 0000000000040000 R15: 0000000000000000 [ 9.944612][ T209] [ 9.944702][ T209] irq event stamp: 62607 [ 9.944792][ T209] hardirqs last enabled at (62615): [] __up_console_sem+0x5a/0x70 [ 9.945000][ T209] hardirqs last disabled at (62622): [] __up_console_sem+0x3f/0x70 [ 9.945218][ T209] softirqs last enabled at (62054): [] handle_softirqs+0x5e5/0x8f0 [ 9.945431][ T209] softirqs last disabled at (61939): [] __irq_exit_rcu+0x103/0x1c0 [ 9.945640][ T209] ---[ end trace 0000000000000000 ]--- [ 9.952980][ T209] modprobe (209) used greatest stack depth: 24136 bytes left [ 15.248657][ T327] ip (327) used greatest stack depth: 23856 bytes left [ 28.526694][ T755] iperf3 (755) used greatest stack depth: 23536 bytes left [ 30.179699][ T850] tun0: deleting peer with id 1, reason 1 [ 30.254227][ T854] tun1: deleting peer with id 10, reason 1 [ 33.115025][ T902] tun0: deleting peer with id 2, reason 1 [ 33.192362][ T906] tun2: deleting peer with id 11, reason 1 [ 38.186358][ T11] tun0: deleting peer with id 4, reason 2 [ 38.186828][ T11] tun0: deleting peer with id 3, reason 2 [ 38.187021][ T11] tun0: deleting peer with id 5, reason 2 [ 39.210139][ T977] tun0: deleting peer with id 6, reason 2 [ 44.331386][ T71] tun3: deleting peer with id 12, reason 2 [ 44.394167][ T62] tun4: deleting peer with id 13, reason 2 [ 44.459154][ T71] tun5: deleting peer with id 14, reason 2 [ 44.523155][ T62] tun6: deleting peer with id 15, reason 2