======================================
| [   29.423306][    C0]
| [   29.423307][    C0]
| [   29.423307][    C0] stack backtrace:
| [   29.423313][    C0] Tainted: [W]=WARN
[   29.423314][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.423315][    C0] Call Trace:
[   29.423317][    C0]  <IRQ>
[   29.423318][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.423322][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.423324][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.423326][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   29.423329][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.423331][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.423332][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.423335][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.423336][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   29.423338][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423342][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.423344][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   29.423345][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   29.423347][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   29.423349][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.423351][    C0]  ? 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))
[   29.423353][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423355][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.423357][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.423359][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.423361][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.423363][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.423365][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.423366][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423368][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.423370][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.423372][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.423374][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.423376][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.423378][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   29.423380][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.423382][    C0]  ? snapshot_read.cold (user.c:?)
[   29.423384][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   29.423385][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.423388][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   29.423389][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   29.423391][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   29.423393][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.423395][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.423396][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.423400][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.423402][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.423404][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423406][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.423408][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   29.423410][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.423412][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.423414][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.423417][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.423419][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.423421][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.423423][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423425][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.423426][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.423428][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.423430][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.423432][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.423433][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.423434][    C0]  </IRQ>
[   29.423435][    C0]  <TASK>
[   29.423435][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.423437][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.423439][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.423441][    C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 12 06 02 	mov    0x2061294(%rip),%rdi        # 0x206129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 13 a0 00 	sub    0xa01358(%rip),%rax        # 0xa0136b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 b6 17 00 	verw   0x17b613(%rip)        # 0x17b63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.423443][    C0] RSP: 0018:ffffffffaf407cf8 EFLAGS: 00000296
[   29.423445][    C0] RAX: 000000000014b08f RBX: ffffffffaf42c600 RCX: ffffffffac2fa307
[   29.423447][    C0] RDX: ffffffffaf42c600 RSI: ffffffffaf278e9d RDI: ffffffffaec8dce0
[   29.423447][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.423448][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5e80fa2
[   29.423449][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.423451][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.423453][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.423454][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.423455][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.423457][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.423458][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.423460][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.423462][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423464][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.423466][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.423467][    C0]  rest_init (init/main.c:727)
[   29.423469][    C0]  ? __cpuidle_text_end (??:?)
[   29.423471][    C0]  ? rest_init (init/main.c:727)
[   29.423473][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.423476][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.423479][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.423482][    C0]  start_kernel (init/main.c:1185)
[   29.423484][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.423486][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.423488][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.423507][    C0] softirqs last disabled at (1355921): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.423509][    C0] Preemption disabled at:
| [   29.423509][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   29.423514][    C0] Tainted: [W]=WARN
[   29.423515][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.423515][    C0] Call Trace:
[   29.423516][    C0]  <IRQ>
[   29.423516][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.423518][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   29.423520][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.423523][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.423526][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423528][    C0]  __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))
[   29.423530][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.423532][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.423534][    C0]  ? 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)
[   29.423535][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.423537][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   29.423539][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.423541][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   29.423543][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.423546][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.423547][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423549][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423551][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.423554][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.423555][    C0]  ? 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))
[   29.423557][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423559][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.423561][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.423563][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.423565][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.423567][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.423569][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.423571][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423573][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.423575][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.423576][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.423578][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.423580][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.423583][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   29.423584][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.423586][    C0]  ? snapshot_read.cold (user.c:?)
[   29.423588][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   29.423590][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.423592][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   29.423593][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   29.423595][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   29.423597][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.423599][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.423600][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.423602][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.423604][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.423605][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423608][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.423609][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   29.423612][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.423613][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.423616][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.423618][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.423620][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.423622][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.423623][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423625][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.423627][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.423628][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.423630][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.423632][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.423633][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.423634][    C0]  </IRQ>
[   29.423635][    C0]  <TASK>
[   29.423635][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.423643][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.423645][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.423646][    C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 12 06 02 	mov    0x2061294(%rip),%rdi        # 0x206129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 13 a0 00 	sub    0xa01358(%rip),%rax        # 0xa0136b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 b6 17 00 	verw   0x17b613(%rip)        # 0x17b63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.423647][    C0] RSP: 0018:ffffffffaf407cf8 EFLAGS: 00000296
[   29.423649][    C0] RAX: 000000000014b08f RBX: ffffffffaf42c600 RCX: ffffffffac2fa307
[   29.423650][    C0] RDX: ffffffffaf42c600 RSI: ffffffffaf278e9d RDI: ffffffffaec8dce0
[   29.423650][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.423651][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5e80fa2
[   29.423652][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.423653][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.423655][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.423657][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.423658][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.423659][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.423661][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.423663][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.423664][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.423666][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.423668][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.423669][    C0]  rest_init (init/main.c:727)
[   29.423671][    C0]  ? __cpuidle_text_end (??:?)
[   29.423673][    C0]  ? rest_init (init/main.c:727)
[   29.423675][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.423676][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.423678][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.423680][    C0]  start_kernel (init/main.c:1185)
[   29.423682][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.423684][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.423686][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   35.280532][  T847] softirqs last disabled at (0): 0x0
| [   35.280534][  T847] Preemption disabled at:
| [   35.280535][  T847] 0x0
| [   35.280543][  T847] Tainted: [W]=WARN
[   35.280544][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.280546][  T847] Call Trace:
[   35.280547][  T847]  <TASK>
[   35.280548][  T847]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.280554][  T847]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.280558][  T847]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.280562][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280566][  T847]  __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))
[   35.280570][  T847]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.280573][  T847]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.280577][  T847]  ? 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)
[   35.280578][  T847]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.280580][  T847]  put_chars (drivers/char/virtio_console.c:1176)
[   35.280582][  T847]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.280584][  T847]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   35.280588][  T847]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.280592][  T847]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.280593][  T847]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.280595][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280597][  T847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.280599][  T847]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.280602][  T847]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.280604][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280606][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280607][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280609][  T847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.280611][  T847]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   35.280613][  T847]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.280615][  T847]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.280618][  T847]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.280619][  T847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.280621][  T847]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.280623][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280624][  T847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.280626][  T847]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.280627][  T847]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   35.280629][  T847]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.280631][  T847]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.280633][  T847]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.280636][  T847]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.280643][  T847]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.280645][  T847]  ? __kernel_text_address (kernel/extable.c:79)
[   35.280646][  T847]  ? write_profile (profile.c:?)
[   35.280648][  T847]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.280651][  T847]  _printk (kernel/printk/printk.c:2504)
[   35.280655][  T847]  ? snapshot_read.cold (user.c:?)
[   35.280657][  T847]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.280660][  T847]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.280661][  T847]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.280663][  T847]  ? netdev_notice (net/core/dev.c:13194)
[   35.280664][  T847]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn
[   35.280671][  T847]  ? __module_address (kernel/module/main.c:3915)
[   35.280674][  T847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.280676][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280678][  T847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.280680][  T847]  ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn
[   35.280683][  T847] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   35.280687][  T847]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   35.280690][  T847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.280692][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280694][  T847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.280696][  T847] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   35.280699][  T847]  ? 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)
[   35.280701][  T847]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   35.280704][  T847] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[   35.280708][  T847]  ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[   35.280711][  T847] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[   35.280714][  T847]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   35.280717][  T847]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   35.280719][  T847]  ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   35.280724][  T847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.280726][  T847]  ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[   35.280729][  T847]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   35.280734][  T847]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   35.280736][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280740][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280742][  T847]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.280745][  T847]  ? write_profile (profile.c:?)
[   35.280747][  T847]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.280748][  T847]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   35.280751][  T847]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   35.280753][  T847]  ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[   35.280755][  T847]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   35.280758][  T847]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[   35.280760][  T847]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.280762][  T847]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.280764][  T847]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   35.280766][  T847]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.280768][  T847]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   35.280771][  T847]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.280773][  T847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.280775][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280777][  T847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.280778][  T847]  genl_rcv (net/netlink/genetlink.c:1218)
[   35.280780][  T847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.280783][  T847]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.280784][  T847]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.280786][  T847]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   35.280787][  T847]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   35.280791][  T847]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.280794][  T847]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.280796][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280797][  T847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.280799][  T847]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.280803][  T847]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.280805][  T847]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.280806][  T847]  ? move_addr_to_kernel (net/socket.c:258)
[   35.280809][  T847]  ___sys_sendmsg (net/socket.c:2767)
[   35.280811][  T847]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.280813][  T847]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   35.280818][  T847]  __sys_sendmsg (net/socket.c:2799)
[   35.280820][  T847]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.280823][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280825][  T847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.280827][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.280830][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.280832][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.280834][  T847] RIP: 0033:0x7fa62594754e
[   35.280836][  T847] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.280837][  T847] RSP: 002b:00007ffcb100a9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.280841][  T847] RAX: ffffffffffffffda RBX: 0000000034dfd130 RCX: 00007fa62594754e
[   35.280843][  T847] RDX: 0000000000000000 RSI: 00007ffcb100aa80 RDI: 0000000000000005
[   35.280844][  T847] RBP: 00007ffcb100a9f0 R08: 0000000000000000 R09: 0000000000000000
[   35.280844][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000034dfd200
[   35.280845][  T847] R13: 00007ffcb100aa80 R14: 0000000034dfe260 R15: 000000000040bda8
| [   37.988612][  T899] softirqs last disabled at (0): 0x0
| [   37.988614][  T899] Preemption disabled at:
| [   37.988615][  T899] 0x0
| [   37.988627][  T899] Tainted: [W]=WARN
[   37.988628][  T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.988630][  T899] Call Trace:
[   37.988632][  T899]  <TASK>
[   37.988634][  T899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.988647][  T899]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.988652][  T899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.988657][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988662][  T899]  __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))
[   37.988666][  T899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.988670][  T899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.988675][  T899]  ? 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)
[   37.988677][  T899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.988681][  T899]  put_chars (drivers/char/virtio_console.c:1176)
[   37.988684][  T899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.988687][  T899]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   37.988692][  T899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.988697][  T899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.988700][  T899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.988702][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988705][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.988709][  T899]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.988712][  T899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.988715][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988717][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988720][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988722][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.988725][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.988728][  T899]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.988731][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.988735][  T899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.988738][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.988740][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.988743][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988745][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.988747][  T899]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.988749][  T899]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   37.988752][  T899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.988755][  T899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.988758][  T899]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.988762][  T899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.988764][  T899]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   37.988767][  T899]  ? __kernel_text_address (kernel/extable.c:79)
[   37.988769][  T899]  ? write_profile (profile.c:?)
[   37.988772][  T899]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.988777][  T899]  _printk (kernel/printk/printk.c:2504)
[   37.988781][  T899]  ? snapshot_read.cold (user.c:?)
[   37.988784][  T899]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.988787][  T899]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.988790][  T899]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.988793][  T899]  ? netdev_notice (net/core/dev.c:13194)
[   37.988795][  T899]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn
[   37.988802][  T899]  ? __module_address (kernel/module/main.c:3915)
[   37.988807][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.988809][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988812][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.988815][  T899]  ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn
[   37.988820][  T899] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   37.988826][  T899]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   37.988830][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.988833][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988835][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.988838][  T899] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   37.988843][  T899]  ? 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)
[   37.988846][  T899]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   37.988852][  T899] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[   37.988857][  T899]  ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[   37.988863][  T899] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[   37.988868][  T899]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   37.988872][  T899]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   37.988876][  T899]  ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   37.988884][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.988886][  T899]  ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[   37.988892][  T899]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   37.988897][  T899]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   37.988900][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988904][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988907][  T899]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   37.988911][  T899]  ? write_profile (profile.c:?)
[   37.988913][  T899]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.988916][  T899]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   37.988919][  T899]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   37.988922][  T899]  ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[   37.988926][  T899]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   37.988930][  T899]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[   37.988935][  T899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   37.988937][  T899]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   37.988941][  T899]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   37.988944][  T899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.988947][  T899]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   37.988950][  T899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.988954][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.988957][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988959][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.988962][  T899]  genl_rcv (net/netlink/genetlink.c:1218)
[   37.988965][  T899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.988968][  T899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.988970][  T899]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.988973][  T899]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   37.988974][  T899]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   37.988979][  T899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.988983][  T899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.988986][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.988989][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.988991][  T899]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.988996][  T899]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.988999][  T899]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.989001][  T899]  ? move_addr_to_kernel (net/socket.c:258)
[   37.989006][  T899]  ___sys_sendmsg (net/socket.c:2767)
[   37.989009][  T899]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.989011][  T899]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   37.989019][  T899]  __sys_sendmsg (net/socket.c:2799)
[   37.989022][  T899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.989026][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.989029][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.989032][  T899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.989036][  T899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.989039][  T899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.989041][  T899] RIP: 0033:0x7fa8a401754e
[   37.989044][  T899] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.989046][  T899] RSP: 002b:00007ffd7e149070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.989051][  T899] RAX: ffffffffffffffda RBX: 00000000137b2130 RCX: 00007fa8a401754e
[   37.989053][  T899] RDX: 0000000000000000 RSI: 00007ffd7e149110 RDI: 0000000000000005
[   37.989054][  T899] RBP: 00007ffd7e149080 R08: 0000000000000000 R09: 0000000000000000
[   37.989055][  T899] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000137b2200
[   37.989057][  T899] R13: 00007ffd7e149110 R14: 00000000137b3260 R15: 000000000040bda8
| [   43.903849][   T53] softirqs last disabled at (21941): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   43.903852][   T53] Preemption disabled at:
| [   43.903852][   T53] 0x0
| [   43.903864][   T53] Tainted: [W]=WARN
[   43.903865][   T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.903867][   T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   43.903879][   T53] Call Trace:
[   43.903880][   T53]  <TASK>
[   43.903883][   T53]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.903889][   T53]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.903893][   T53]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.903896][   T53]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   43.903899][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903903][   T53]  __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))
[   43.903908][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.903911][   T53]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.903915][   T53]  ? 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)
[   43.903917][   T53]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.903919][   T53]  put_chars (drivers/char/virtio_console.c:1176)
[   43.903922][   T53]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   43.903923][   T53]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.903925][   T53]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.903929][   T53]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.903933][   T53]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.903935][   T53]  ? 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)
[   43.903937][   T53]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   43.903939][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.903940][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903943][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.903945][   T53]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.903948][   T53]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.903950][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903952][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903954][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903956][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.903958][   T53]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.903960][   T53]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.903962][   T53]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.903965][   T53]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.903968][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.903969][   T53]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.903971][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903973][   T53]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.903975][   T53]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.903976][   T53]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.903978][   T53]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.903980][   T53]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.903982][   T53]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.903985][   T53]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.903987][   T53]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   43.903990][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.903992][   T53]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   43.903995][   T53]  _printk (kernel/printk/printk.c:2504)
[   43.903998][   T53]  ? snapshot_read.cold (user.c:?)
[   43.904000][   T53]  ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801)
[   43.904002][   T53]  ? 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)
[   43.904004][   T53]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.904007][   T53]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.904008][   T53]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.904010][   T53]  ? netdev_notice (net/core/dev.c:13194)
[   43.904012][   T53]  ? debug_object_free (lib/debugobjects.c:1033)
[   43.904016][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.904019][   T53]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   43.904021][   T53] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   43.904026][   T53]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   43.904029][   T53]  ? remove_and_enqueue_same_base (kernel/time/hrtimer.c:1293)
[   43.904032][   T53]  ? 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)
[   43.904035][   T53] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   43.904038][   T53]  ? 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)
[   43.904040][   T53]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   43.904043][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.904045][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.904047][   T53]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.904048][   T53]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   43.904050][   T53] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   43.904053][   T53]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   43.904056][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.904058][   T53] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn
[   43.904062][   T53]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   43.904065][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.904067][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.904069][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.904071][   T53]  process_one_work (kernel/workqueue.c:3387)
[   43.904075][   T53]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.904078][   T53]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.904080][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.904082][   T53]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.904085][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.904087][   T53]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   43.904090][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.904092][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.904094][   T53]  kthread (kernel/kthread.c:436)
[   43.904096][   T53]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.904097][   T53]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.904099][   T53]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.904103][   T53]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.904105][   T53]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.904108][   T53]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.904110][   T53]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.086841][   T53] softirqs last disabled at (21941): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   49.086843][   T53] Preemption disabled at:
| [   49.086844][   T53] 0x0
| [   49.086854][   T53] Tainted: [W]=WARN
[   49.086855][   T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.086857][   T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   49.086865][   T53] Call Trace:
[   49.086867][   T53]  <TASK>
[   49.086869][   T53]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.086874][   T53]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.086878][   T53]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.086881][   T53]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   49.086884][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086888][   T53]  __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))
[   49.086891][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.086894][   T53]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.086897][   T53]  ? 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)
[   49.086899][   T53]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.086901][   T53]  put_chars (drivers/char/virtio_console.c:1176)
[   49.086903][   T53]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   49.086905][   T53]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.086906][   T53]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   49.086909][   T53]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.086913][   T53]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.086915][   T53]  ? 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)
[   49.086916][   T53]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   49.086918][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.086920][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086922][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.086924][   T53]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.086927][   T53]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.086929][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086930][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086932][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086934][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.086935][   T53]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   49.086937][   T53]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.086939][   T53]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.086942][   T53]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.086944][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.086945][   T53]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.086947][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086949][   T53]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.086950][   T53]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.086951][   T53]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   49.086953][   T53]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.086955][   T53]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.086957][   T53]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.086960][   T53]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.086961][   T53]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   49.086963][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086965][   T53]  ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22))
[   49.086967][   T53]  _printk (kernel/printk/printk.c:2504)
[   49.086970][   T53]  ? snapshot_read.cold (user.c:?)
[   49.086971][   T53]  ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[   49.086973][   T53]  ? select_fallback_rq (kernel/sched/sched.h:1424)
[   49.086975][   T53]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.086977][   T53]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.086979][   T53]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.086981][   T53]  ? netdev_notice (net/core/dev.c:13194)
[   49.086982][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086984][   T53]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   49.086988][   T53]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   49.086991][   T53] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   49.086995][   T53]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   49.086997][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.086999][   T53]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.087001][   T53] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   49.087004][   T53]  ? 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)
[   49.087006][   T53]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   49.087008][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.087010][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.087012][   T53]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.087013][   T53]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   49.087014][   T53] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   49.087017][   T53]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   49.087020][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.087022][   T53] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn
[   49.087025][   T53]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   49.087028][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.087029][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.087031][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.087033][   T53]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   49.087035][   T53]  process_one_work (kernel/workqueue.c:3387)
[   49.087037][   T53]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   49.087039][   T53]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.087041][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.087043][   T53]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   49.087046][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   49.087047][   T53]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   49.087050][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   49.087052][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   49.087053][   T53]  kthread (kernel/kthread.c:436)
[   49.087055][   T53]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.087056][   T53]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   49.087058][   T53]  ret_from_fork (arch/x86/kernel/process.c:158)
[   49.087060][   T53]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   49.087062][   T53]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   49.087064][   T53]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print