======================================
| [   10.395864][    C0]
| [   10.395864][    C0]
| [   10.395864][    C0] stack backtrace:
| [   10.395870][    C0] Tainted: [W]=WARN
[   10.395871][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.395873][    C0] Call Trace:
[   10.395874][    C0]  <IRQ>
[   10.395875][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.395878][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   10.395880][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   10.395882][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   10.395885][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   10.395887][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   10.395889][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   10.395891][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.395893][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   10.395894][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.395897][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.395899][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   10.395900][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   10.395901][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   10.395902][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.395903][    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))
[   10.395905][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.395906][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.395908][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.395910][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.395911][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.395913][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.395914][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.395915][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.395917][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.395919][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.395921][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.395922][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.395924][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.395925][    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))
[   10.395927][    C0]  _printk (kernel/printk/printk.c:2504)
[   10.395929][    C0]  ? snapshot_read.cold (user.c:?)
[   10.395931][    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))
[   10.395932][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.395935][    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))
[   10.395936][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.395938][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.395940][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   10.395941][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.395942][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.395946][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.395948][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.395949][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.395951][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.395952][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.395955][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.395956][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.395959][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.395961][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.395962][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.395964][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.395966][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.395967][    C0]  handle_softirqs (kernel/softirq.c:645)
[   10.395969][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.395971][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.395973][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.395975][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   10.395976][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.395978][    C0]  </IRQ>
[   10.395979][    C0]  <TASK>
[   10.395979][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   10.395981][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.395983][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   10.395985][    C0] Code: 48 8b 3d d4 41 10 02 e8 1f 00 00 00 48 2b 05 98 72 b2 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 53 45 29 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 d4 41 10 02 	mov    0x21041d4(%rip),%rdi        # 0x21041db
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 98 72 b2 00 	sub    0xb27298(%rip),%rax        # 0xb272ab
  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 53 45 29 00 	verw   0x294553(%rip)        # 0x29457b
  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
[   10.395987][    C0] RSP: 0018:ffffffff99007cf8 EFLAGS: 00000296
[   10.395989][    C0] RAX: 000000000005fb93 RBX: ffffffff9901c600 RCX: ffffffff95ef4ce7
[   10.395990][    C0] RDX: ffffffff9901c600 RSI: ffffffff98e88c54 RDI: ffffffff98893160
[   10.395991][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   10.395992][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3200fa2
[   10.395993][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   10.395994][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.395996][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.395998][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   10.395999][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   10.396001][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.396002][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   10.396004][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   10.396007][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396008][    C0]  do_idle (kernel/sched/idle.c:355)
[   10.396010][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   10.396012][    C0]  rest_init (init/main.c:727)
[   10.396013][    C0]  ? __cpuidle_text_end (??:?)
[   10.396015][    C0]  ? rest_init (init/main.c:727)
[   10.396017][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   10.396019][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   10.396021][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   10.396023][    C0]  start_kernel (init/main.c:1185)
[   10.396025][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   10.396026][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   10.396028][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   10.396045][    C0] softirqs last disabled at (392085): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.396047][    C0] Preemption disabled at:
| [   10.396047][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   10.396052][    C0] Tainted: [W]=WARN
[   10.396053][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.396053][    C0] Call Trace:
[   10.396054][    C0]  <IRQ>
[   10.396054][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.396056][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   10.396057][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.396060][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.396062][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396063][    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))
[   10.396065][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.396066][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.396068][    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)
[   10.396070][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.396072][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   10.396074][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.396076][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   10.396078][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.396080][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.396082][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396083][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396085][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.396086][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.396087][    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))
[   10.396089][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396090][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.396092][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.396093][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.396094][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.396097][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.396098][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.396099][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396100][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.396102][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.396104][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.396105][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.396107][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.396109][    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))
[   10.396110][    C0]  _printk (kernel/printk/printk.c:2504)
[   10.396112][    C0]  ? snapshot_read.cold (user.c:?)
[   10.396114][    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))
[   10.396115][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.396118][    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))
[   10.396119][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.396121][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.396122][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   10.396124][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.396125][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.396127][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.396128][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.396130][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396132][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.396133][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.396135][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.396136][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.396139][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.396141][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.396143][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.396144][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.396145][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396146][    C0]  handle_softirqs (kernel/softirq.c:645)
[   10.396148][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.396150][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.396152][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.396153][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   10.396155][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.396157][    C0]  </IRQ>
[   10.396157][    C0]  <TASK>
[   10.396158][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   10.396159][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.396161][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   10.396163][    C0] Code: 48 8b 3d d4 41 10 02 e8 1f 00 00 00 48 2b 05 98 72 b2 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 53 45 29 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 d4 41 10 02 	mov    0x21041d4(%rip),%rdi        # 0x21041db
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 98 72 b2 00 	sub    0xb27298(%rip),%rax        # 0xb272ab
  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 53 45 29 00 	verw   0x294553(%rip)        # 0x29457b
  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
[   10.396164][    C0] RSP: 0018:ffffffff99007cf8 EFLAGS: 00000296
[   10.396165][    C0] RAX: 000000000005fb93 RBX: ffffffff9901c600 RCX: ffffffff95ef4ce7
[   10.396165][    C0] RDX: ffffffff9901c600 RSI: ffffffff98e88c54 RDI: ffffffff98893160
[   10.396166][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   10.396167][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3200fa2
[   10.396167][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   10.396169][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.396171][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.396173][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   10.396174][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   10.396175][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.396176][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   10.396178][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   10.396180][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.396181][    C0]  do_idle (kernel/sched/idle.c:355)
[   10.396183][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   10.396184][    C0]  rest_init (init/main.c:727)
[   10.396186][    C0]  ? __cpuidle_text_end (??:?)
[   10.396188][    C0]  ? rest_init (init/main.c:727)
[   10.396189][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   10.396190][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   10.396191][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   10.396193][    C0]  start_kernel (init/main.c:1185)
[   10.396195][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   10.396196][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   10.396198][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  152.066750][ T9373] softirqs last disabled at (0): 0x0
| [  152.066751][ T9373] Preemption disabled at:
| [  152.066752][ T9373] 0x0
| [  152.066760][ T9373] Tainted: [W]=WARN
[  152.066762][ T9373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.066764][ T9373] Call Trace:
[  152.066765][ T9373]  <TASK>
[  152.066767][ T9373]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.066771][ T9373]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.066776][ T9373]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.066778][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.066782][ T9373]  __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))
[  152.066785][ T9373]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.066788][ T9373]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.066793][ T9373]  ? 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)
[  152.066795][ T9373]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.066797][ T9373]  put_chars (drivers/char/virtio_console.c:1176)
[  152.066799][ T9373]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.066800][ T9373]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  152.066802][ T9373]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  152.066804][ T9373]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.066808][ T9373]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.066809][ T9373]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.066811][ T9373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.066814][ T9373]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.066816][ T9373]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.066818][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.066819][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.066820][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.066821][ T9373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.066823][ T9373]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.066824][ T9373]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.066826][ T9373]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.066828][ T9373]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.066829][ T9373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.066831][ T9373]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.066832][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.066834][ T9373]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.066835][ T9373]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  152.066837][ T9373]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  152.066838][ T9373]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.066841][ T9373]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.066842][ T9373]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.066844][ T9373]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.066846][ T9373]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[  152.066848][ T9373]  ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740)
[  152.066850][ T9373]  _printk (kernel/printk/printk.c:2504)
[  152.066853][ T9373]  ? snapshot_read.cold (user.c:?)
[  152.066854][ T9373]  ? 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)
[  152.066856][ T9373]  ? 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)
[  152.066858][ T9373]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.066861][ T9373]  ? 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)
[  152.066863][ T9373]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  152.066865][ T9373]  ? exit_notify (kernel/exit.c:780)
[  152.066867][ T9373]  ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3))
[  152.066869][ T9373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.066871][ T9373]  do_group_exit (kernel/exit.c:1151)
[  152.066873][ T9373]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  152.066875][ T9373]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  152.066877][ T9373]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.066880][ T9373]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.066883][ T9373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.066885][ T9373] RIP: 0033:0x7f38cfea41b8
[  152.066887][ T9373] Code: Unable to access opcode bytes at 0x7f38cfea418e.

Code starting with the faulting instruction
===========================================
[  152.066888][ T9373] RSP: 002b:00007ffc28646948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  152.066891][ T9373] RAX: ffffffffffffffda RBX: 00007f38cffd4f88 RCX: 00007f38cfea41b8
[  152.066893][ T9373] RDX: 00007f38cfca5a48 RSI: ffffffffffffffb0 RDI: 0000000000000001
[  152.066894][ T9373] RBP: 00007ffc286469a0 R08: 0000000000000000 R09: 0000000000000130
[  152.066895][ T9373] R10: 00007ffc28646760 R11: 0000000000000246 R12: 0000000000000001


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