======================================
| [   20.713606][  T365] softirqs last disabled at (3414): ovpn_peer_release_p2p (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1243) ovpn
| [   20.713610][  T365] Preemption disabled at:
| [   20.713610][  T365] 0x0
| [   20.713620][  T365] Tainted: [W]=WARN
[   20.713621][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.713623][  T365] Call Trace:
[   20.713625][  T365]  <TASK>
[   20.713626][  T365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.713632][  T365]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.713637][  T365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.713641][  T365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.713646][  T365]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.713648][  T365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.713653][  T365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.713656][  T365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.713659][  T365]  put_chars (drivers/char/virtio_console.c:1176)
[   20.713662][  T365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.713669][  T365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.713675][  T365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.713678][  T365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.713682][  T365]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.713685][  T365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.713687][  T365]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.713690][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.713694][  T365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.713698][  T365]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.713702][  T365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.713704][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.713709][  T365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.713711][  T365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.713713][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.713715][  T365]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.713719][  T365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.713721][  T365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.713724][  T365]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.713727][  T365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.713730][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.713734][  T365]  _printk (kernel/printk/printk.c:2504)
[   20.713737][  T365]  ? snapshot_read.cold (user.c:?)
[   20.713739][  T365]  ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[   20.713742][  T365]  ? select_fallback_rq (kernel/sched/sched.h:1424)
[   20.713744][  T365]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.713748][  T365]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.713751][  T365]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.713753][  T365]  ? netdev_notice (net/core/dev.c:13194)
[   20.713757][  T365]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   20.713764][  T365] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   20.713769][  T365]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   20.713772][  T365]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.713774][  T365]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   20.713776][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.713781][  T365] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   20.713783][  T365]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   20.713786][  T365]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   20.713788][  T365]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.713793][  T365] ovpn_peer_release_p2p (drivers/net/ovpn/peer.c:1259) ovpn
[   20.713797][  T365]  ? ovpn_peer_remove (./include/linux/list_nulls.h:111 (discriminator 2)) ovpn
[   20.713801][  T365]  ? ovpn_udp_encap_destroy (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/udp.c:368 (discriminator 2)) ovpn
[   20.713806][  T365]  udpv6_destroy_sock (net/ipv6/udp.c:1811 net/ipv6/udp.c:1796)
[   20.713808][  T365]  sk_common_release (net/core/sock.c:4042)
[   20.713812][  T365]  inet_release (net/ipv4/af_inet.c:448)
[   20.713815][  T365]  ? fcntl_setlk (fs/locks.c:2552)
[   20.713819][  T365]  __sock_release (net/socket.c:735)
[   20.713823][  T365]  sock_close (net/socket.c:1526 (discriminator 1))
[   20.713824][  T365]  __fput (fs/file_table.c:512)
[   20.713827][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.713829][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   20.713831][  T365]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.713833][  T365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.713836][  T365]  task_work_run (kernel/task_work.c:233)
[   20.713839][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.713840][  T365]  ? task_work_cancel (kernel/task_work.c:190)
[   20.713843][  T365]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   20.713847][  T365]  do_exit (./include/linux/task_work.h:40 kernel/exit.c:1008)
[   20.713850][  T365]  ? exit_notify (kernel/exit.c:780)
[   20.713851][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.713854][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.713855][  T365]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.713859][  T365]  do_group_exit (kernel/exit.c:1151)
[   20.713860][  T365]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   20.713862][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.713863][  T365]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[   20.713865][  T365]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   20.713867][  T365]  get_signal (kernel/signal.c:3039)
[   20.713872][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.713874][  T365]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.713877][  T365]  ? ptrace_signal (./include/linux/signal.h:87)
[   20.713878][  T365]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.713881][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.713884][  T365]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[   20.713888][  T365]  arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[   20.713891][  T365]  ? get_sigframe_size (arch/x86/kernel/signal.c:233)
[   20.713893][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.713897][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.713900][  T365]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.713902][  T365]  exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101)
[   20.713905][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.713908][  T365]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89)
[   20.713910][  T365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.713913][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.713915][  T365] RIP: 0033:0x7f72626fd54e
[   20.713917][  T365] Code: Unable to access opcode bytes at 0x7f72626fd524.

Code starting with the faulting instruction
===========================================
[   20.713918][  T365] RSP: 002b:00007ffdea9e5c00 EFLAGS: 00000202 ORIG_RAX: 0000000000000022
[   20.713920][  T365] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007f72626fd54e
[   20.713922][  T365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   20.713922][  T365] RBP: 00007ffdea9e5c10 R08: 0000000000000000 R09: 0000000000000000
[   20.713923][  T365] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdea9e6198


Finger prints:
ovpn_peer_release_p2p:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print