[ 11.109731][ T207] ------------[ cut here ]------------ [ 11.110020][ T207] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU. [ 11.110445][ T207] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0xa8b/0xe40, CPU#1: modprobe/207 [ 11.110999][ T207] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel [ 11.111467][ T207] CPU: 1 UID: 0 PID: 207 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(full) [ 11.111994][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.112308][ T207] RIP: 0010:__alloc_workqueue+0xa8f/0xe40 [ 11.112545][ T207] 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 [ 11.113453][ T207] RSP: 0018:ffa00000005677f0 EFLAGS: 00010246 [ 11.113834][ T207] RAX: 0000000000000004 RBX: ffffffffc04f7b60 RCX: 1ff40000000aceea [ 11.114270][ T207] RDX: 0000000000000000 RSI: ff1100000d845170 RDI: ffffffff86ce81e0 [ 11.114701][ T207] RBP: 0000000000000000 R08: ffffffffc04f7b64 R09: 0000000000000000 [ 11.115105][ T207] R10: 0000000000000000 R11: ff1100000d845190 R12: ffa0000000567890 [ 11.115515][ T207] R13: 0000000000000000 R14: ff1100000d845000 R15: ffffffffc04f0ac0 [ 11.115953][ T207] FS: 00007f8d40eb3bc0(0000) GS:ff110000adb48000(0000) knlGS:0000000000000000 [ 11.116373][ T207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.116546][ T207] CR2: 00007f79dc193020 CR3: 000000000cbbc006 CR4: 0000000000771ef0 [ 11.116916][ T207] PKRU: 55555554 [ 11.117043][ T207] Call Trace: [ 11.117148][ T207] [ 11.117219][ T207] ? ovpn_cleanup+0x140/0x140 [ovpn] [ 11.117357][ T207] alloc_workqueue_noprof+0xb3/0x100 [ 11.117658][ T207] ? alloc_workqueue_lockdep_map+0x130/0x130 [ 11.118024][ T207] ? do_one_initcall+0x11a/0x4f0 [ 11.118278][ T207] ovpn_init+0x1f/0xa0 [ovpn] [ 11.118545][ T207] do_one_initcall+0x12b/0x4f0 [ 11.118809][ T207] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 11.119176][ T207] ? kasan_save_track+0x14/0x30 [ 11.119463][ T207] ? do_init_module+0xae/0x8a0 [ 11.119776][ T207] ? kasan_unpoison+0x44/0x70 [ 11.120083][ T207] do_init_module+0x2ad/0x8a0 [ 11.120399][ T207] ? lockdep_hardirqs_on+0x8c/0x130 [ 11.120738][ T207] ? free_module+0x4a0/0x4a0 [ 11.121060][ T207] ? kfree+0x123/0x5a0 [ 11.121263][ T207] load_module+0x13fa/0x1ae0 [ 11.121541][ T207] ? layout_and_allocate.isra.0+0x680/0x680 [ 11.121807][ T207] ? __ia32_sys_fsconfig+0x180/0x180 [ 11.122116][ T207] ? backing_file_read_iter+0x541/0x790 [ 11.122394][ T207] init_module_from_file+0x11f/0x1a0 [ 11.122671][ T207] ? __do_sys_init_module+0x220/0x220 [ 11.122929][ T207] ? __lock_acquire+0x518/0xc20 [ 11.123252][ T207] ? ovl_set_dir_cache+0x19/0x50 [ 11.123571][ T207] ? __rwlock_init+0x150/0x150 [ 11.123918][ T207] ? do_raw_spin_unlock+0x59/0x250 [ 11.124251][ T207] idempotent_init_module+0x37b/0x7c0 [ 11.124619][ T207] ? init_module_from_file+0x1a0/0x1a0 [ 11.124967][ T207] ? rcu_is_watching+0x15/0xd0 [ 11.125300][ T207] ? cap_capable+0x1d7/0x3d0 [ 11.125530][ T207] __x64_sys_finit_module+0xdf/0x190 [ 11.125838][ T207] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.126063][ T207] do_syscall_64+0x117/0x590 [ 11.126206][ T207] ? trace_hardirqs_off+0xd/0x30 [ 11.126338][ T207] ? exc_page_fault+0xee/0x100 [ 11.126472][ T207] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.126661][ T207] RIP: 0033:0x7f8d40fa937d [ 11.126818][ T207] 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 [ 11.127319][ T207] RSP: 002b:00007ffcd4df2258 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.127522][ T207] RAX: ffffffffffffffda RBX: 00005613e4be59c0 RCX: 00007f8d40fa937d [ 11.127735][ T207] RDX: 0000000000000000 RSI: 00005613bf180ffd RDI: 0000000000000007 [ 11.127940][ T207] RBP: 00007ffcd4df22f0 R08: 0000000000000000 R09: 0000000000000000 [ 11.128145][ T207] R10: 0000000000000000 R11: 0000000000000246 R12: 00005613bf180ffd [ 11.128346][ T207] R13: 00005613e4be5ae0 R14: 0000000000040000 R15: 0000000000000000 [ 11.128587][ T207] [ 11.128709][ T207] irq event stamp: 77169 [ 11.128823][ T207] hardirqs last enabled at (77177): [] __up_console_sem+0x5a/0x70 [ 11.129073][ T207] hardirqs last disabled at (77184): [] __up_console_sem+0x3f/0x70 [ 11.129329][ T207] softirqs last enabled at (76768): [] handle_softirqs+0x5e5/0x8f0 [ 11.129626][ T207] softirqs last disabled at (77201): [] __irq_exit_rcu+0x103/0x1c0 [ 11.129894][ T207] ---[ end trace 0000000000000000 ]--- [ 31.599909][ T687] iperf3 (687) used greatest stack depth: 22512 bytes left [ 33.627612][ T782] tun0: deleting peer with id 1, reason 1 [ 33.728216][ T786] tun1: deleting peer with id 10, reason 1 [ 36.789996][ T835] tun0: deleting peer with id 2, reason 1 [ 36.912703][ T839] tun2: deleting peer with id 11, reason 1 [ 42.945867][ T11] tun0: deleting peer with id 4, reason 2 [ 42.946377][ T11] tun0: deleting peer with id 3, reason 2 [ 42.946705][ T11] tun0: deleting peer with id 5, reason 2 [ 42.946897][ T11] tun0: deleting peer with id 6, reason 2 [ 48.195139][ T65] tun3: deleting peer with id 12, reason 2 [ 48.257631][ T11] tun4: deleting peer with id 13, reason 2 [ 48.322646][ T74] tun5: deleting peer with id 14, reason 2 [ 48.450645][ T65] tun6: deleting peer with id 15, reason 2