======================================
| [  293.910523][    C0]
| [  293.910524][    C0]
| [  293.910524][    C0] stack backtrace:
| [  293.910530][    C0] Tainted: [W]=WARN
[  293.910531][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  293.910533][    C0] Call Trace:
[  293.910534][    C0]  <IRQ>
[  293.910535][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  293.910539][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  293.910541][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  293.910543][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  293.910545][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  293.910547][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  293.910549][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  293.910551][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  293.910552][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  293.910554][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910557][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.910559][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  293.910560][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  293.910562][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  293.910564][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  293.910565][    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))
[  293.910567][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910569][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.910570][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  293.910572][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  293.910574][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.910576][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  293.910578][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  293.910579][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910581][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  293.910583][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  293.910584][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  293.910586][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  293.910588][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  293.910590][    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))
[  293.910592][    C0]  _printk (kernel/printk/printk.c:2504)
[  293.910594][    C0]  ? snapshot_read.cold (user.c:?)
[  293.910596][    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))
[  293.910597][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.910599][    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))
[  293.910601][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  293.910602][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  293.910604][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  293.910605][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  293.910607][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  293.910611][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  293.910613][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.910615][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910617][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  293.910618][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  293.910620][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  293.910622][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.910624][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  293.910627][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  293.910628][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  293.910630][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  293.910633][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910634][    C0]  handle_softirqs (kernel/softirq.c:645)
[  293.910636][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.910637][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  293.910639][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  293.910641][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  293.910642][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  293.910644][    C0]  </IRQ>
[  293.910644][    C0]  <TASK>
[  293.910645][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  293.910646][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  293.910648][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  293.910651][    C0] Code: 48 8b 3d 94 a2 10 02 e8 1f 00 00 00 48 2b 05 58 f3 ab 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 d6 25 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 a2 10 02 	mov    0x210a294(%rip),%rdi        # 0x210a29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 f3 ab 00 	sub    0xabf358(%rip),%rax        # 0xabf36b
  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 d6 25 00 	verw   0x25d613(%rip)        # 0x25d63b
  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
[  293.910653][    C0] RSP: 0018:ffffffff84e07cf8 EFLAGS: 00000296
[  293.910655][    C0] RAX: 0000000000da9d11 RBX: ffffffff84e40600 RCX: ffffffff81cf3307
[  293.910656][    C0] RDX: ffffffff84e40600 RSI: ffffffff84c57566 RDI: ffffffff8468d8e0
[  293.910657][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  293.910658][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff09c0fa2
[  293.910659][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  293.910660][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  293.910662][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  293.910664][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  293.910666][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  293.910668][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  293.910669][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  293.910671][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  293.910674][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910676][    C0]  do_idle (kernel/sched/idle.c:355)
[  293.910677][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  293.910678][    C0]  rest_init (init/main.c:727)
[  293.910680][    C0]  ? __cpuidle_text_end (??:?)
[  293.910683][    C0]  ? rest_init (init/main.c:727)
[  293.910685][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  293.910688][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  293.910691][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  293.910693][    C0]  start_kernel (init/main.c:1185)
[  293.910694][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  293.910696][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  293.910698][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  293.910716][    C0] softirqs last disabled at (14327059): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  293.910718][    C0] Preemption disabled at:
| [  293.910719][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [  293.910724][    C0] Tainted: [W]=WARN
[  293.910724][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  293.910725][    C0] Call Trace:
[  293.910726][    C0]  <IRQ>
[  293.910726][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  293.910728][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[  293.910729][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  293.910733][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  293.910735][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910737][    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))
[  293.910739][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  293.910740][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  293.910743][    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)
[  293.910744][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  293.910746][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  293.910749][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  293.910751][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[  293.910753][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  293.910756][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  293.910758][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910760][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910762][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  293.910764][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  293.910765][    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))
[  293.910767][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910769][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.910770][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  293.910773][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  293.910774][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.910776][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  293.910778][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  293.910779][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910781][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  293.910783][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  293.910784][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  293.910786][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  293.910788][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  293.910790][    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))
[  293.910791][    C0]  _printk (kernel/printk/printk.c:2504)
[  293.910793][    C0]  ? snapshot_read.cold (user.c:?)
[  293.910795][    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))
[  293.910796][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.910799][    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))
[  293.910800][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  293.910802][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  293.910803][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  293.910805][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  293.910806][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  293.910808][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  293.910810][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.910811][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910813][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  293.910815][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  293.910817][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  293.910818][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.910821][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  293.910823][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  293.910825][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  293.910826][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  293.910828][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910830][    C0]  handle_softirqs (kernel/softirq.c:645)
[  293.910831][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.910833][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  293.910834][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  293.910836][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  293.910837][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  293.910839][    C0]  </IRQ>
[  293.910839][    C0]  <TASK>
[  293.910840][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  293.910841][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  293.910843][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  293.910845][    C0] Code: 48 8b 3d 94 a2 10 02 e8 1f 00 00 00 48 2b 05 58 f3 ab 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 d6 25 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 a2 10 02 	mov    0x210a294(%rip),%rdi        # 0x210a29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 f3 ab 00 	sub    0xabf358(%rip),%rax        # 0xabf36b
  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 d6 25 00 	verw   0x25d613(%rip)        # 0x25d63b
  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
[  293.910846][    C0] RSP: 0018:ffffffff84e07cf8 EFLAGS: 00000296
[  293.910847][    C0] RAX: 0000000000da9d11 RBX: ffffffff84e40600 RCX: ffffffff81cf3307
[  293.910848][    C0] RDX: ffffffff84e40600 RSI: ffffffff84c57566 RDI: ffffffff8468d8e0
[  293.910848][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  293.910849][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff09c0fa2
[  293.910850][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  293.910851][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  293.910853][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  293.910855][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  293.910857][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  293.910859][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  293.910860][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  293.910861][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  293.910863][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.910865][    C0]  do_idle (kernel/sched/idle.c:355)
[  293.910866][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  293.910868][    C0]  rest_init (init/main.c:727)
[  293.910870][    C0]  ? __cpuidle_text_end (??:?)
[  293.910872][    C0]  ? rest_init (init/main.c:727)
[  293.910874][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  293.910876][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  293.910878][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  293.910880][    C0]  start_kernel (init/main.c:1185)
[  293.910881][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  293.910883][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  293.910885][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  531.188175][T10986] softirqs last disabled at (0): 0x0
| [  531.188177][T10986] Preemption disabled at:
| [  531.188177][T10986] 0x0
| [  531.188186][T10986] Tainted: [W]=WARN
[  531.188187][T10986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  531.188188][T10986] Call Trace:
[  531.188190][T10986]  <TASK>
[  531.188191][T10986]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  531.188196][T10986]  __might_resched.cold (kernel/sched/core.c:9234)
[  531.188200][T10986]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  531.188203][T10986]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  531.188206][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188210][T10986]  __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))
[  531.188213][T10986]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.188215][T10986]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.188219][T10986]  ? 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)
[  531.188221][T10986]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.188224][T10986]  put_chars (drivers/char/virtio_console.c:1176)
[  531.188226][T10986]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  531.188228][T10986]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  531.188232][T10986]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  531.188236][T10986]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  531.188238][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188240][T10986]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.188241][T10986]  console_emit_next_record (kernel/printk/printk.c:3183)
[  531.188244][T10986]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  531.188246][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188247][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188249][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188250][T10986]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.188252][T10986]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  531.188253][T10986]  console_flush_one_record (kernel/printk/printk.c:3268)
[  531.188256][T10986]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  531.188258][T10986]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  531.188260][T10986]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.188261][T10986]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  531.188263][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188264][T10986]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.188265][T10986]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  531.188266][T10986]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  531.188268][T10986]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  531.188270][T10986]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  531.188272][T10986]  vprintk_emit (kernel/printk/printk.c:2479)
[  531.188275][T10986]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  531.188276][T10986]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[  531.188278][T10986]  ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740)
[  531.188281][T10986]  _printk (kernel/printk/printk.c:2504)
[  531.188284][T10986]  ? snapshot_read.cold (user.c:?)
[  531.188285][T10986]  ? 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)
[  531.188287][T10986]  ? 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)
[  531.188288][T10986]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.188290][T10986]  ? 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)
[  531.188292][T10986]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  531.188294][T10986]  ? exit_notify (kernel/exit.c:780)
[  531.188296][T10986]  ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3))
[  531.188299][T10986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.188301][T10986]  do_group_exit (kernel/exit.c:1151)
[  531.188303][T10986]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  531.188305][T10986]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  531.188307][T10986]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  531.188310][T10986]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  531.188313][T10986]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  531.188315][T10986] RIP: 0033:0x7f096398c1b8
[  531.188317][T10986] Code: Unable to access opcode bytes at 0x7f096398c18e.

Code starting with the faulting instruction
===========================================
[  531.188321][T10986] RSP: 002b:00007ffc2a6137e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  531.188324][T10986] RAX: ffffffffffffffda RBX: 00007f0963abcf88 RCX: 00007f096398c1b8
[  531.188325][T10986] RDX: 00007f09636d6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[  531.188326][T10986] RBP: 00007ffc2a613840 R08: 0000000000000000 R09: 0000000000000050
[  531.188327][T10986] R10: 00007ffc2a613600 R11: 0000000000000246 R12: 0000000000000001
[  531.188328][T10986] R13: 0000000000000000 R14: 00007f0963abb680 R15: 00007f0963abcfa0
| [  927.970343][T27775] softirqs last disabled at (0): 0x0
| [  927.970344][T27775] Preemption disabled at:
| [  927.970345][T27775] 0x0
| [  927.970354][T27775] Tainted: [W]=WARN
[  927.970355][T27775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  927.970356][T27775] Call Trace:
[  927.970358][T27775]  <TASK>
[  927.970359][T27775]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  927.970365][T27775]  __might_resched.cold (kernel/sched/core.c:9234)
[  927.970369][T27775]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  927.970372][T27775]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  927.970376][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970379][T27775]  __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))
[  927.970382][T27775]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  927.970384][T27775]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  927.970389][T27775]  ? 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)
[  927.970391][T27775]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  927.970393][T27775]  put_chars (drivers/char/virtio_console.c:1176)
[  927.970395][T27775]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  927.970398][T27775]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  927.970401][T27775]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  927.970405][T27775]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  927.970407][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970408][T27775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  927.970410][T27775]  console_emit_next_record (kernel/printk/printk.c:3183)
[  927.970413][T27775]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  927.970414][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970416][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970417][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970419][T27775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  927.970420][T27775]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  927.970422][T27775]  console_flush_one_record (kernel/printk/printk.c:3268)
[  927.970424][T27775]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  927.970426][T27775]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  927.970428][T27775]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  927.970429][T27775]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  927.970431][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970432][T27775]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  927.970433][T27775]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  927.970435][T27775]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  927.970437][T27775]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  927.970438][T27775]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  927.970440][T27775]  vprintk_emit (kernel/printk/printk.c:2479)
[  927.970447][T27775]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  927.970449][T27775]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[  927.970451][T27775]  ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740)
[  927.970454][T27775]  _printk (kernel/printk/printk.c:2504)
[  927.970456][T27775]  ? snapshot_read.cold (user.c:?)
[  927.970458][T27775]  ? 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)
[  927.970459][T27775]  ? 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)
[  927.970461][T27775]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  927.970463][T27775]  ? 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)
[  927.970464][T27775]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  927.970467][T27775]  ? exit_notify (kernel/exit.c:780)
[  927.970469][T27775]  ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3))
[  927.970472][T27775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  927.970474][T27775]  do_group_exit (kernel/exit.c:1151)
[  927.970476][T27775]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  927.970478][T27775]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  927.970480][T27775]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  927.970483][T27775]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  927.970485][T27775]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  927.970488][T27775] RIP: 0033:0x7f66c604a1b8
[  927.970489][T27775] Code: Unable to access opcode bytes at 0x7f66c604a18e.

Code starting with the faulting instruction
===========================================
[  927.970491][T27775] RSP: 002b:00007fff1f813808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  927.970494][T27775] RAX: ffffffffffffffda RBX: 00007f66c617af88 RCX: 00007f66c604a1b8
[  927.970495][T27775] RDX: 00007f66c5f87a48 RSI: ffffffffffffffb0 RDI: 0000000000000000
[  927.970496][T27775] RBP: 00007fff1f813860 R08: 0000000000000000 R09: 0000000000000000
[  927.970497][T27775] R10: 00007fff1f8136a0 R11: 0000000000000246 R12: 0000000000000001


Finger prints:
__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
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable