======================================
| [   12.400048][    C0]
| [   12.400048][    C0]
| [   12.400048][    C0] stack backtrace:
| [   12.400054][    C0] Tainted: [W]=WARN
[   12.400055][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.400057][    C0] Call Trace:
[   12.400058][    C0]  <IRQ>
[   12.400059][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.400063][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   12.400065][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   12.400067][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   12.400070][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   12.400072][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   12.400073][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   12.400075][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.400077][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   12.400079][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400082][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.400084][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   12.400086][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   12.400087][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   12.400089][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.400091][    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))
[   12.400093][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400094][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.400096][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.400098][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.400100][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.400102][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.400104][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.400106][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400107][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.400109][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.400111][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.400112][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.400114][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.400117][    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))
[   12.400118][    C0]  _printk (kernel/printk/printk.c:2504)
[   12.400120][    C0]  ? snapshot_read.cold (user.c:?)
[   12.400122][    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))
[   12.400123][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.400126][    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))
[   12.400127][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.400129][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.400130][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   12.400132][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   12.400134][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   12.400138][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.400139][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.400141][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400143][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   12.400145][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.400147][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   12.400149][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.400151][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.400154][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   12.400155][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   12.400157][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.400159][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400161][    C0]  handle_softirqs (kernel/softirq.c:645)
[   12.400163][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.400164][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   12.400166][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   12.400168][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   12.400169][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   12.400170][    C0]  </IRQ>
[   12.400171][    C0]  <TASK>
[   12.400171][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.400173][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   12.400174][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   12.400176][    C0] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  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 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  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
[   12.400178][    C0] RSP: 0018:ffffffffb1c07cf8 EFLAGS: 00000296
[   12.400180][    C0] RAX: 000000000006e453 RBX: ffffffffb1c2c600 RCX: ffffffffaeafa307
[   12.400182][    C0] RDX: ffffffffb1c2c600 RSI: ffffffffb1a78e7e RDI: ffffffffb148dce0
[   12.400182][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   12.400183][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6380fa2
[   12.400184][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   12.400185][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.400188][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.400189][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   12.400190][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   12.400191][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.400193][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   12.400198][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   12.400200][    C0]  ? check_preemption_disabled (lib/smp_processor_id.c:14 (discriminator 5))
[   12.400201][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400203][    C0]  do_idle (kernel/sched/idle.c:355)
[   12.400205][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   12.400206][    C0]  rest_init (init/main.c:727)
[   12.400208][    C0]  ? __cpuidle_text_end (??:?)
[   12.400210][    C0]  ? rest_init (init/main.c:727)
[   12.400211][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   12.400214][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   12.400217][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   12.400220][    C0]  start_kernel (init/main.c:1185)
[   12.400222][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   12.400224][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   12.400225][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   12.400243][    C0] softirqs last disabled at (451669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.400245][    C0] Preemption disabled at:
| [   12.400245][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   12.400250][    C0] Tainted: [W]=WARN
[   12.400250][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.400251][    C0] Call Trace:
[   12.400252][    C0]  <IRQ>
[   12.400252][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.400254][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   12.400256][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.400258][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.400261][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400263][    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))
[   12.400265][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.400267][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.400268][    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)
[   12.400270][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.400272][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   12.400274][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.400276][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   12.400278][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.400280][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.400282][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400283][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400286][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.400288][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.400289][    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))
[   12.400291][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400293][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.400295][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.400297][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.400298][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.400301][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.400302][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.400304][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400306][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.400307][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.400309][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.400311][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.400313][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.400315][    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))
[   12.400317][    C0]  _printk (kernel/printk/printk.c:2504)
[   12.400318][    C0]  ? snapshot_read.cold (user.c:?)
[   12.400320][    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))
[   12.400322][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.400324][    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))
[   12.400325][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.400327][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.400328][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   12.400330][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   12.400332][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   12.400334][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.400335][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.400337][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400339][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   12.400341][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.400343][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   12.400344][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.400347][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.400349][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   12.400351][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   12.400353][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.400354][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400356][    C0]  handle_softirqs (kernel/softirq.c:645)
[   12.400357][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.400359][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   12.400361][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   12.400362][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   12.400364][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   12.400365][    C0]  </IRQ>
[   12.400365][    C0]  <TASK>
[   12.400366][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.400368][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   12.400369][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   12.400370][    C0] Code: 48 8b 3d 94 02 06 02 e8 1f 00 00 00 48 2b 05 58 03 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 02 06 02 	mov    0x2060294(%rip),%rdi        # 0x206029b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 03 a0 00 	sub    0xa00358(%rip),%rax        # 0xa0036b
  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 a6 17 00 	verw   0x17a613(%rip)        # 0x17a63b
  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
[   12.400371][    C0] RSP: 0018:ffffffffb1c07cf8 EFLAGS: 00000296
[   12.400372][    C0] RAX: 000000000006e453 RBX: ffffffffb1c2c600 RCX: ffffffffaeafa307
[   12.400373][    C0] RDX: ffffffffb1c2c600 RSI: ffffffffb1a78e7e RDI: ffffffffb148dce0
[   12.400374][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   12.400374][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6380fa2
[   12.400375][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   12.400377][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.400379][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.400380][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   12.400381][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   12.400382][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.400384][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   12.400385][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   12.400387][    C0]  ? check_preemption_disabled (lib/smp_processor_id.c:14 (discriminator 5))
[   12.400388][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.400390][    C0]  do_idle (kernel/sched/idle.c:355)
[   12.400391][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   12.400393][    C0]  rest_init (init/main.c:727)
[   12.400394][    C0]  ? __cpuidle_text_end (??:?)
[   12.400396][    C0]  ? rest_init (init/main.c:727)
[   12.400398][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   12.400400][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   12.400401][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   12.400403][    C0]  start_kernel (init/main.c:1185)
[   12.400405][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   12.400407][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   12.400409][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.384170][  T759] softirqs last disabled at (0): 0x0
| [   26.384171][  T759] Preemption disabled at:
| [   26.384172][  T759] 0x0
| [   26.384180][  T759] Tainted: [W]=WARN
[   26.384181][  T759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.384183][  T759] Call Trace:
[   26.384184][  T759]  <TASK>
[   26.384185][  T759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.384191][  T759]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.384195][  T759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.384198][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384202][  T759]  __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))
[   26.384205][  T759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.384208][  T759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.384212][  T759]  ? 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)
[   26.384213][  T759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.384216][  T759]  put_chars (drivers/char/virtio_console.c:1176)
[   26.384218][  T759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.384225][  T759]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   26.384228][  T759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.384232][  T759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.384233][  T759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.384235][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384237][  T759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.384239][  T759]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.384241][  T759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.384243][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384245][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384246][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384248][  T759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.384250][  T759]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.384251][  T759]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.384254][  T759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.384256][  T759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.384258][  T759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.384259][  T759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.384261][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384263][  T759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.384264][  T759]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.384265][  T759]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   26.384267][  T759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.384269][  T759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.384271][  T759]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.384273][  T759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.384275][  T759]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.384277][  T759]  ? __kernel_text_address (kernel/extable.c:79)
[   26.384278][  T759]  ? write_profile (profile.c:?)
[   26.384280][  T759]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.384283][  T759]  _printk (kernel/printk/printk.c:2504)
[   26.384286][  T759]  ? snapshot_read.cold (user.c:?)
[   26.384288][  T759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.384291][  T759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.384292][  T759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.384294][  T759]  ? netdev_notice (net/core/dev.c:13194)
[   26.384295][  T759]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn
[   26.384301][  T759]  ? __module_address (kernel/module/main.c:3915)
[   26.384304][  T759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.384305][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384307][  T759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.384309][  T759]  ? 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
[   26.384312][  T759] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   26.384316][  T759]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   26.384318][  T759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.384320][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384322][  T759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.384323][  T759] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   26.384326][  T759]  ? 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)
[   26.384328][  T759]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   26.384331][  T759] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[   26.384334][  T759]  ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[   26.384337][  T759] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[   26.384340][  T759]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   26.384342][  T759]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   26.384345][  T759]  ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   26.384350][  T759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.384351][  T759]  ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[   26.384355][  T759]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   26.384359][  T759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   26.384361][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384363][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384365][  T759]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.384368][  T759]  ? write_profile (profile.c:?)
[   26.384369][  T759]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.384371][  T759]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   26.384373][  T759]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   26.384375][  T759]  ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[   26.384378][  T759]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   26.384380][  T759]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[   26.384382][  T759]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.384384][  T759]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   26.384386][  T759]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   26.384388][  T759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.384390][  T759]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   26.384392][  T759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.384395][  T759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.384396][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384398][  T759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.384399][  T759]  genl_rcv (net/netlink/genetlink.c:1218)
[   26.384401][  T759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.384403][  T759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.384405][  T759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.384406][  T759]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   26.384408][  T759]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   26.384411][  T759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.384413][  T759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.384415][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384417][  T759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.384419][  T759]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.384422][  T759]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.384423][  T759]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.384425][  T759]  ? move_addr_to_kernel (net/socket.c:258)
[   26.384428][  T759]  ___sys_sendmsg (net/socket.c:2767)
[   26.384430][  T759]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.384431][  T759]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   26.384436][  T759]  __sys_sendmsg (net/socket.c:2799)
[   26.384438][  T759]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.384441][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384442][  T759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.384444][  T759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.384447][  T759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.384449][  T759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.384451][  T759] RIP: 0033:0x7f8883c0054e
[   26.384453][  T759] 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
[   26.384455][  T759] RSP: 002b:00007ffc98b468a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.384459][  T759] RAX: ffffffffffffffda RBX: 000000002ef20130 RCX: 00007f8883c0054e
[   26.384460][  T759] RDX: 0000000000000000 RSI: 00007ffc98b46940 RDI: 0000000000000005
[   26.384461][  T759] RBP: 00007ffc98b468b0 R08: 0000000000000000 R09: 0000000000000000
[   26.384462][  T759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002ef20200
[   26.384463][  T759] R13: 00007ffc98b46940 R14: 000000002ef21260 R15: 000000000040bda8
| [   29.076097][  T811] softirqs last disabled at (0): 0x0
| [   29.076099][  T811] Preemption disabled at:
| [   29.076099][  T811] 0x0
| [   29.076108][  T811] Tainted: [W]=WARN
[   29.076109][  T811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.076110][  T811] Call Trace:
[   29.076112][  T811]  <TASK>
[   29.076113][  T811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.076118][  T811]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.076122][  T811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.076126][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076130][  T811]  __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))
[   29.076133][  T811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.076136][  T811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.076140][  T811]  ? 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)
[   29.076141][  T811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.076143][  T811]  put_chars (drivers/char/virtio_console.c:1176)
[   29.076146][  T811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.076147][  T811]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   29.076151][  T811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.076154][  T811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.076156][  T811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.076158][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076159][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.076162][  T811]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.076164][  T811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.076166][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076168][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076169][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076171][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.076173][  T811]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.076174][  T811]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.076177][  T811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.076179][  T811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.076181][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.076183][  T811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.076184][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076186][  T811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.076187][  T811]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.076188][  T811]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.076191][  T811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.076192][  T811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.076194][  T811]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.076197][  T811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.076198][  T811]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.076201][  T811]  ? __kernel_text_address (kernel/extable.c:79)
[   29.076202][  T811]  ? write_profile (profile.c:?)
[   29.076204][  T811]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.076207][  T811]  _printk (kernel/printk/printk.c:2504)
[   29.076210][  T811]  ? snapshot_read.cold (user.c:?)
[   29.076212][  T811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.076215][  T811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.076217][  T811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.076218][  T811]  ? netdev_notice (net/core/dev.c:13194)
[   29.076219][  T811]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn
[   29.076231][  T811]  ? __module_address (kernel/module/main.c:3915)
[   29.076234][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.076235][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076237][  T811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.076239][  T811]  ? 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
[   29.076242][  T811] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   29.076246][  T811]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   29.076248][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.076250][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076252][  T811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.076253][  T811] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   29.076256][  T811]  ? 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)
[   29.076258][  T811]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   29.076261][  T811] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[   29.076264][  T811]  ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[   29.076267][  T811] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[   29.076270][  T811]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.076273][  T811]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   29.076275][  T811]  ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   29.076280][  T811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.076282][  T811]  ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[   29.076285][  T811]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   29.076289][  T811]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   29.076291][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076294][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076295][  T811]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.076299][  T811]  ? write_profile (profile.c:?)
[   29.076300][  T811]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.076301][  T811]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   29.076304][  T811]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   29.076306][  T811]  ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[   29.076308][  T811]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   29.076310][  T811]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[   29.076313][  T811]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.076314][  T811]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.076316][  T811]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   29.076319][  T811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.076320][  T811]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   29.076322][  T811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.076325][  T811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.076327][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076328][  T811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.076330][  T811]  genl_rcv (net/netlink/genetlink.c:1218)
[   29.076332][  T811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.076334][  T811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.076336][  T811]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.076337][  T811]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.076338][  T811]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   29.076342][  T811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.076344][  T811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.076346][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076348][  T811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.076350][  T811]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.076353][  T811]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.076355][  T811]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.076356][  T811]  ? move_addr_to_kernel (net/socket.c:258)
[   29.076359][  T811]  ___sys_sendmsg (net/socket.c:2767)
[   29.076361][  T811]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.076362][  T811]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   29.076367][  T811]  __sys_sendmsg (net/socket.c:2799)
[   29.076370][  T811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.076372][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076374][  T811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.076376][  T811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.076379][  T811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.076381][  T811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.076383][  T811] RIP: 0033:0x7f0760aed54e
[   29.076385][  T811] 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
[   29.076387][  T811] RSP: 002b:00007ffcf83f88d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.076390][  T811] RAX: ffffffffffffffda RBX: 0000000022391130 RCX: 00007f0760aed54e
[   29.076392][  T811] RDX: 0000000000000000 RSI: 00007ffcf83f8970 RDI: 0000000000000005
[   29.076393][  T811] RBP: 00007ffcf83f88e0 R08: 0000000000000000 R09: 0000000000000000
[   29.076393][  T811] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000022391200
[   29.076394][  T811] R13: 00007ffcf83f8970 R14: 0000000022392260 R15: 000000000040bda8
| [   34.791572][   T10] softirqs last disabled at (8433): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   34.791574][   T10] Preemption disabled at:
| [   34.791575][   T10] 0x0
| [   34.791585][   T10] Tainted: [W]=WARN
[   34.791586][   T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.791588][   T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   34.791598][   T10] Call Trace:
[   34.791600][   T10]  <TASK>
[   34.791601][   T10]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.791607][   T10]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.791611][   T10]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.791614][   T10]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   34.791616][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791620][   T10]  __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))
[   34.791624][   T10]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.791626][   T10]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.791630][   T10]  ? 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)
[   34.791632][   T10]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.791634][   T10]  put_chars (drivers/char/virtio_console.c:1176)
[   34.791636][   T10]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   34.791637][   T10]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.791639][   T10]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   34.791642][   T10]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.791646][   T10]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.791647][   T10]  ? 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)
[   34.791649][   T10]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   34.791651][   T10]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.791652][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791654][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.791656][   T10]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.791659][   T10]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.791661][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791663][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791664][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791666][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.791668][   T10]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   34.791669][   T10]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.791671][   T10]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.791674][   T10]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.791676][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.791677][   T10]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.791679][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791680][   T10]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.791682][   T10]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.791683][   T10]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   34.791685][   T10]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.791687][   T10]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.791689][   T10]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.791691][   T10]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.791693][   T10]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   34.791696][   T10]  ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163)
[   34.791697][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791699][   T10]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   34.791701][   T10]  _printk (kernel/printk/printk.c:2504)
[   34.791704][   T10]  ? snapshot_read.cold (user.c:?)
[   34.791706][   T10]  ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801)
[   34.791708][   T10]  ? 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)
[   34.791710][   T10]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.791712][   T10]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.791714][   T10]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.791716][   T10]  ? netdev_notice (net/core/dev.c:13194)
[   34.791718][   T10]  ? debug_object_free (lib/debugobjects.c:1033)
[   34.791721][   T10]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.791723][   T10]  ? 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)
[   34.791726][   T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   34.791731][   T10]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   34.791733][   T10]  ? remove_and_enqueue_same_base (kernel/time/hrtimer.c:1293)
[   34.791736][   T10]  ? 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)
[   34.791738][   T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   34.791741][   T10]  ? 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)
[   34.791743][   T10]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   34.791746][   T10]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.791747][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791749][   T10]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.791750][   T10]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   34.791752][   T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   34.791755][   T10]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   34.791757][   T10]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.791759][   T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn
[   34.791763][   T10]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   34.791765][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791767][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.791768][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.791770][   T10]  process_one_work (kernel/workqueue.c:3387)
[   34.791774][   T10]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.791776][   T10]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.791778][   T10]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.791780][   T10]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.791783][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.791784][   T10]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.791787][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.791788][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.791790][   T10]  kthread (kernel/kthread.c:436)
[   34.791792][   T10]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.791793][   T10]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.791795][   T10]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.791798][   T10]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.791799][   T10]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.791802][   T10]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.791803][   T10]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.912622][   T34] softirqs last disabled at (2107): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   39.912624][   T34] Preemption disabled at:
| [   39.912625][   T34] 0x0
| [   39.912637][   T34] Tainted: [W]=WARN
[   39.912637][   T34] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.912640][   T34] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   39.912648][   T34] Call Trace:
[   39.912650][   T34]  <TASK>
[   39.912652][   T34]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.912657][   T34]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.912661][   T34]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.912665][   T34]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   39.912667][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912671][   T34]  __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))
[   39.912675][   T34]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.912678][   T34]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.912681][   T34]  ? 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)
[   39.912683][   T34]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.912685][   T34]  put_chars (drivers/char/virtio_console.c:1176)
[   39.912687][   T34]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   39.912689][   T34]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.912690][   T34]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.912693][   T34]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.912697][   T34]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.912699][   T34]  ? 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)
[   39.912700][   T34]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   39.912702][   T34]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.912704][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912705][   T34]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.912708][   T34]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.912710][   T34]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.912712][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912714][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912715][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912717][   T34]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.912719][   T34]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.912720][   T34]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.912723][   T34]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.912725][   T34]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.912727][   T34]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.912728][   T34]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.912730][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912732][   T34]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.912733][   T34]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.912734][   T34]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.912736][   T34]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.912738][   T34]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.912740][   T34]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.912742][   T34]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.912744][   T34]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   39.912746][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912747][   T34]  ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22))
[   39.912750][   T34]  _printk (kernel/printk/printk.c:2504)
[   39.912753][   T34]  ? snapshot_read.cold (user.c:?)
[   39.912754][   T34]  ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[   39.912756][   T34]  ? select_fallback_rq (kernel/sched/sched.h:1424)
[   39.912758][   T34]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.912760][   T34]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.912762][   T34]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.912763][   T34]  ? netdev_notice (net/core/dev.c:13194)
[   39.912765][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912767][   T34]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   39.912771][   T34]  ? 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)
[   39.912774][   T34] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   39.912777][   T34]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   39.912780][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912781][   T34]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.912783][   T34] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   39.912787][   T34]  ? 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)
[   39.912788][   T34]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   39.912791][   T34]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.912792][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912794][   T34]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.912795][   T34]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   39.912797][   T34] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   39.912799][   T34]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   39.912802][   T34]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.912804][   T34] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn
[   39.912807][   T34]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   39.912810][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912811][   T34]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.912813][   T34]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.912815][   T34]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   39.912817][   T34]  process_one_work (kernel/workqueue.c:3387)
[   39.912819][   T34]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   39.912821][   T34]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.912823][   T34]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.912825][   T34]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   39.912828][   T34]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.912830][   T34]  kthread (kernel/kthread.c:436)
[   39.912832][   T34]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.912833][   T34]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.912835][   T34]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.912838][   T34]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   39.912839][   T34]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.912842][   T34]  ? 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