======================================
| [   13.760853][  T266] softirqs last disabled at (39683): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.760856][  T266] Preemption disabled at:
| [   13.760856][  T266] 0x0
| [   13.760866][  T266] Tainted: [W]=WARN
[   13.760867][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.760869][  T266] Call Trace:
[   13.760871][  T266]  <TASK>
[   13.760872][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.760879][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.760883][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.760888][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.760893][  T266]  __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))
[   13.760895][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.760901][  T266]  ? 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)
[   13.760904][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.760907][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   13.760910][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.760911][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.760916][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.760921][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.760933][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.760935][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.760938][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.760942][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.760946][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.760948][  T266]  ? 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))
[   13.760951][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.760953][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.760957][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.760961][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.760963][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.760968][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.760971][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.760973][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.760975][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.760979][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.760980][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.760984][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.760987][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.760991][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.760994][  T266]  _printk (kernel/printk/printk.c:2504)
[   13.760998][  T266]  ? snapshot_read.cold (user.c:?)
[   13.761000][  T266]  ? 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)
[   13.761003][  T266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.761006][  T266]  ? 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)
[   13.761009][  T266]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   13.761013][  T266]  ? exit_notify (kernel/exit.c:780)
[   13.761014][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.761017][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.761021][  T266]  do_group_exit (kernel/exit.c:1151)
[   13.761023][  T266]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   13.761025][  T266]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   13.761028][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.761031][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.761034][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.761037][  T266] RIP: 0033:0x7f09635601b8
[   13.761039][  T266] Code: Unable to access opcode bytes at 0x7f096356018e.

Code starting with the faulting instruction
===========================================
[   13.761040][  T266] RSP: 002b:00007fff8a3478b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   13.761043][  T266] RAX: ffffffffffffffda RBX: 00007f0963690f88 RCX: 00007f09635601b8
[   13.761044][  T266] RDX: 00007f09632aafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   13.761045][  T266] RBP: 00007fff8a347910 R08: 0000000000000000 R09: 0000000000000000
[   13.761046][  T266] R10: 00007fff8a3476d0 R11: 0000000000000246 R12: 0000000000000001
[   13.761046][  T266] R13: 0000000000000000 R14: 00007f096368f680 R15: 00007f0963690fa0
| [   16.486949][    C0]
| [   16.486950][    C0]
| [   16.486950][    C0] stack backtrace:
| [   16.486956][    C0] Tainted: [W]=WARN
[   16.486957][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.486958][    C0] Call Trace:
[   16.486960][    C0]  <IRQ>
[   16.486961][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.486965][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   16.486967][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   16.486970][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   16.486972][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   16.486974][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   16.486976][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.486978][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.486980][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.486983][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.486985][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.486987][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   16.486989][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   16.486991][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.486992][    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))
[   16.486994][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.486996][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.486998][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.487000][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.487002][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.487004][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.487006][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.487008][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487010][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.487012][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.487013][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.487015][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.487018][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.487020][    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))
[   16.487022][    C0]  _printk (kernel/printk/printk.c:2504)
[   16.487024][    C0]  ? snapshot_read.cold (user.c:?)
[   16.487025][    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))
[   16.487027][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.487029][    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))
[   16.487031][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   16.487033][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   16.487035][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   16.487037][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   16.487038][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   16.487042][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.487044][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.487046][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487048][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   16.487050][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   16.487052][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   16.487054][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.487057][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.487059][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   16.487061][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   16.487063][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.487065][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487067][    C0]  handle_softirqs (kernel/softirq.c:645)
[   16.487069][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.487071][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.487073][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   16.487074][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   16.487076][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   16.487077][    C0]  </IRQ>
[   16.487078][    C0]  <TASK>
[   16.487078][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   16.487080][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   16.487081][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   16.487084][    C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 12 06 02 	mov    0x2061294(%rip),%rdi        # 0x206129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 13 a0 00 	sub    0xa01358(%rip),%rax        # 0xa0136b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 b6 17 00 	verw   0x17b613(%rip)        # 0x17b63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   16.487086][    C0] RSP: 0018:ffffffff89207cf8 EFLAGS: 00000296
[   16.487088][    C0] RAX: 0000000000084293 RBX: ffffffff8922c600 RCX: ffffffff860fa307
[   16.487089][    C0] RDX: ffffffff8922c600 RSI: ffffffff89078e9d RDI: ffffffff88a8dce0
[   16.487090][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   16.487091][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1240fa2
[   16.487092][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   16.487094][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.487096][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.487097][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   16.487099][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   16.487100][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.487102][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   16.487104][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   16.487106][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487108][    C0]  do_idle (kernel/sched/idle.c:355)
[   16.487110][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   16.487111][    C0]  rest_init (init/main.c:727)
[   16.487113][    C0]  ? __cpuidle_text_end (??:?)
[   16.487115][    C0]  ? rest_init (init/main.c:727)
[   16.487117][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   16.487120][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   16.487123][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   16.487126][    C0]  start_kernel (init/main.c:1185)
[   16.487128][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   16.487130][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   16.487132][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   16.487150][    C0] softirqs last disabled at (541333): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.487152][    C0] Preemption disabled at:
| [   16.487153][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   16.487158][    C0] Tainted: [W]=WARN
[   16.487158][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.487159][    C0] Call Trace:
[   16.487159][    C0]  <IRQ>
[   16.487160][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.487162][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   16.487164][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.487167][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.487169][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487172][    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))
[   16.487173][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.487175][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.487177][    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)
[   16.487179][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.487181][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   16.487183][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.487185][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   16.487187][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.487189][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.487191][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487193][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487195][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.487197][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.487199][    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))
[   16.487201][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487203][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.487205][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.487207][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.487209][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.487211][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.487213][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.487215][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487217][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.487219][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.487220][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.487222][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.487224][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.487227][    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))
[   16.487229][    C0]  _printk (kernel/printk/printk.c:2504)
[   16.487230][    C0]  ? snapshot_read.cold (user.c:?)
[   16.487232][    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))
[   16.487234][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.487236][    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))
[   16.487238][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   16.487239][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   16.487241][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   16.487243][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   16.487245][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   16.487247][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.487248][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.487250][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487252][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   16.487254][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   16.487256][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   16.487258][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.487261][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.487263][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   16.487265][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   16.487267][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.487268][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487270][    C0]  handle_softirqs (kernel/softirq.c:645)
[   16.487272][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.487273][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   16.487275][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   16.487277][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   16.487278][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   16.487280][    C0]  </IRQ>
[   16.487280][    C0]  <TASK>
[   16.487281][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   16.487282][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   16.487284][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   16.487285][    C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 12 06 02 	mov    0x2061294(%rip),%rdi        # 0x206129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 13 a0 00 	sub    0xa01358(%rip),%rax        # 0xa0136b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 b6 17 00 	verw   0x17b613(%rip)        # 0x17b63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   16.487286][    C0] RSP: 0018:ffffffff89207cf8 EFLAGS: 00000296
[   16.487288][    C0] RAX: 0000000000084293 RBX: ffffffff8922c600 RCX: ffffffff860fa307
[   16.487288][    C0] RDX: ffffffff8922c600 RSI: ffffffff89078e9d RDI: ffffffff88a8dce0
[   16.487289][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   16.487290][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1240fa2
[   16.487290][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   16.487292][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.487294][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.487295][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   16.487297][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   16.487298][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   16.487300][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   16.487301][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   16.487303][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.487305][    C0]  do_idle (kernel/sched/idle.c:355)
[   16.487306][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   16.487308][    C0]  rest_init (init/main.c:727)
[   16.487309][    C0]  ? __cpuidle_text_end (??:?)
[   16.487312][    C0]  ? rest_init (init/main.c:727)
[   16.487313][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   16.487315][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   16.487317][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   16.487319][    C0]  start_kernel (init/main.c:1185)
[   16.487321][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   16.487323][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   16.487325][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   23.394366][  T520] softirqs last disabled at (0): 0x0
| [   23.394369][  T520] Preemption disabled at:
| [   23.394370][  T520] 0x0
| [   23.394381][  T520] Tainted: [W]=WARN
[   23.394382][  T520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.394385][  T520] Call Trace:
[   23.394387][  T520]  <TASK>
[   23.394389][  T520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.394396][  T520]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.394401][  T520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.394405][  T520]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   23.394408][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.394416][  T520]  __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))
[   23.394420][  T520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.394423][  T520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.394429][  T520]  ? 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)
[   23.394431][  T520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.394435][  T520]  put_chars (drivers/char/virtio_console.c:1176)
[   23.394437][  T520]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   23.394440][  T520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.394443][  T520]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   23.394447][  T520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.394452][  T520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.394455][  T520]  ? 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)
[   23.394457][  T520]  ? vsnprintf (lib/vsprintf.c:2900)
[   23.394461][  T520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.394463][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.394465][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.394469][  T520]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.394472][  T520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.394475][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.394478][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.394480][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.394483][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.394486][  T520]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   23.394488][  T520]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.394492][  T520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.394496][  T520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.394498][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.394501][  T520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.394503][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.394505][  T520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.394507][  T520]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.394509][  T520]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   23.394512][  T520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.394515][  T520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.394518][  T520]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.394521][  T520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.394525][  T520]  _printk (kernel/printk/printk.c:2504)
[   23.394529][  T520]  ? snapshot_read.cold (user.c:?)
[   23.394531][  T520]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.394535][  T520]  ? 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)
[   23.394538][  T520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.394541][  T520]  ? 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)
[   23.394543][  T520]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   23.394548][  T520]  ? exit_notify (kernel/exit.c:780)
[   23.394552][  T520]  __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[   23.394554][  T520]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[   23.394557][  T520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.394561][  T520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.394563][  T520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.394567][  T520] RIP: 0033:0x7fea83178c49
[   23.394569][  T520] Code: Unable to access opcode bytes at 0x7fea83178c1f.

Code starting with the faulting instruction
===========================================
[   23.394571][  T520] RSP: 002b:00007fea82937e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[   23.394575][  T520] RAX: ffffffffffffffda RBX: 00007fea829386c0 RCX: 00007fea83178c49
[   23.394577][  T520] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[   23.394579][  T520] RBP: 00007fea82937f70 R08: 0000000000000001 R09: 00007fea829386c0
[   23.394581][  T520] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fea82138000


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__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