======================================
| [   12.491428][    C0]
| [   12.491428][    C0]
| [   12.491428][    C0] stack backtrace:
| [   12.491433][    C0] Tainted: [W]=WARN
[   12.491434][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.491436][    C0] Call Trace:
[   12.491437][    C0]  <IRQ>
[   12.491438][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.491442][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   12.491445][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   12.491448][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   12.491450][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   12.491452][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   12.491454][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.491456][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   12.491458][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491460][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.491462][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   12.491464][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   12.491465][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   12.491467][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.491469][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.491471][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491472][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.491474][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.491477][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.491478][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491481][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.491483][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.491484][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491485][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.491487][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.491489][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.491490][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.491492][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.491494][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   12.491495][    C0]  _printk (kernel/printk/printk.c:2504)
[   12.491497][    C0]  ? snapshot_read.cold (user.c:?)
[   12.491499][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   12.491500][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491503][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   12.491504][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.491506][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.491507][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   12.491509][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   12.491511][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   12.491514][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.491516][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491517][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491519][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   12.491521][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.491523][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   12.491525][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491528][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.491530][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   12.491532][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   12.491534][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.491537][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491538][    C0]  handle_softirqs (kernel/softirq.c:645)
[   12.491540][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491542][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   12.491544][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   12.491545][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   12.491547][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   12.491548][    C0]  </IRQ>
[   12.491549][    C0]  <TASK>
[   12.491549][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.491551][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   12.491553][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   12.491555][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 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 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  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 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   12.491557][    C0] RSP: 0018:ffffffffa7a07cf8 EFLAGS: 00000296
[   12.491559][    C0] RAX: 000000000007c73d RBX: ffffffffa7a30600 RCX: ffffffffa4106247
[   12.491560][    C0] RDX: ffffffffa7a30600 RSI: ffffffffa7311027 RDI: ffffffffa6c949e0
[   12.491561][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   12.491561][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4f40fa2
[   12.491562][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   12.491564][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.491566][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.491567][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   12.491569][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   12.491570][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.491572][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   12.491573][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   12.491576][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.491577][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491579][    C0]  do_idle (kernel/sched/idle.c:355)
[   12.491580][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   12.491582][    C0]  rest_init (init/main.c:727)
[   12.491583][    C0]  ? __cpuidle_text_end (??:?)
[   12.491586][    C0]  ? rest_init (init/main.c:727)
[   12.491587][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   12.491591][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   12.491592][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   12.491594][    C0]  start_kernel (init/main.c:1185)
[   12.491596][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   12.491598][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   12.491599][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   12.491617][    C0] softirqs last disabled at (509759): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.491618][    C0] Preemption disabled at:
| [   12.491619][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   12.491624][    C0] Tainted: [W]=WARN
[   12.491625][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.491625][    C0] Call Trace:
[   12.491626][    C0]  <IRQ>
[   12.491626][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.491628][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   12.491630][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.491633][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.491636][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491637][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.491638][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.491640][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.491642][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.491644][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.491646][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   12.491648][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.491650][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   12.491652][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.491655][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.491657][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491657][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491659][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.491661][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.491663][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.491665][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491666][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.491668][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.491670][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.491672][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491674][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.491676][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.491678][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491679][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.491681][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.491683][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.491684][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.491685][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.491687][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   12.491689][    C0]  _printk (kernel/printk/printk.c:2504)
[   12.491690][    C0]  ? snapshot_read.cold (user.c:?)
[   12.491692][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   12.491694][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491696][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   12.491697][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.491699][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.491701][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   12.491703][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   12.491705][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   12.491706][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.491707][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491709][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491711][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   12.491712][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   12.491715][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   12.491716][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.491719][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.491721][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   12.491723][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   12.491725][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.491726][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491728][    C0]  handle_softirqs (kernel/softirq.c:645)
[   12.491729][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.491731][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   12.491733][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   12.491735][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   12.491736][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   12.491738][    C0]  </IRQ>
[   12.491738][    C0]  <TASK>
[   12.491739][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.491740][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   12.491742][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   12.491743][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 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 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  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 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   12.491744][    C0] RSP: 0018:ffffffffa7a07cf8 EFLAGS: 00000296
[   12.491745][    C0] RAX: 000000000007c73d RBX: ffffffffa7a30600 RCX: ffffffffa4106247
[   12.491746][    C0] RDX: ffffffffa7a30600 RSI: ffffffffa7311027 RDI: ffffffffa6c949e0
[   12.491746][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   12.491747][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4f40fa2
[   12.491748][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   12.491749][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.491751][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.491753][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   12.491754][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   12.491756][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   12.491757][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   12.491759][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   12.491760][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.491762][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.491763][    C0]  do_idle (kernel/sched/idle.c:355)
[   12.491765][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   12.491766][    C0]  rest_init (init/main.c:727)
[   12.491768][    C0]  ? __cpuidle_text_end (??:?)
[   12.491770][    C0]  ? rest_init (init/main.c:727)
[   12.491772][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   12.491774][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   12.491775][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   12.491776][    C0]  start_kernel (init/main.c:1185)
[   12.491778][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   12.491780][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   12.491781][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   15.123264][  T435] softirqs last disabled at (0): 0x0
| [   15.123266][  T435] Preemption disabled at:
| [   15.123266][  T435] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.123276][  T435] Tainted: [W]=WARN
[   15.123277][  T435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.123279][  T435] Call Trace:
[   15.123280][  T435]  <TASK>
[   15.123281][  T435]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.123287][  T435]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.123288][  T435]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.123292][  T435]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.123295][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123297][  T435]  __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))
[   15.123300][  T435]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.123303][  T435]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.123308][  T435]  ? 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)
[   15.123310][  T435]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.123313][  T435]  put_chars (drivers/char/virtio_console.c:1176)
[   15.123314][  T435]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   15.123316][  T435]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.123318][  T435]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   15.123320][  T435]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.123326][  T435]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.123328][  T435]  ? 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)
[   15.123330][  T435]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.123331][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123332][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123333][  T435]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.123336][  T435]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.123338][  T435]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.123340][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123341][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123342][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123343][  T435]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.123345][  T435]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   15.123347][  T435]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.123349][  T435]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.123352][  T435]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.123353][  T435]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.123355][  T435]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.123357][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123358][  T435]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.123359][  T435]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.123360][  T435]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   15.123362][  T435]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.123364][  T435]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.123365][  T435]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.123367][  T435]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.123369][  T435]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2223) xfrm_user
[   15.123372][  T435]  _printk (kernel/printk/printk.c:2504)
[   15.123375][  T435]  ? snapshot_read.cold (user.c:?)
[   15.123377][  T435]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   15.123380][  T435] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   15.123382][  T435]  do_one_initcall (init/main.c:1357)
[   15.123384][  T435]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   15.123387][  T435]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   15.123389][  T435]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   15.123392][  T435]  do_init_module (kernel/module/main.c:3117)
[   15.123398][  T435]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   15.123399][  T435]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   15.123401][  T435]  load_module (kernel/module/main.c:3593)
[   15.123403][  T435]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   15.123407][  T435]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   15.123409][  T435]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.123411][  T435]  init_module_from_file (kernel/module/main.c:3790)
[   15.123412][  T435]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   15.123413][  T435]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   15.123416][  T435]  ? handle_pte_fault (mm/memory.c:6558)
[   15.123418][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123418][  T435]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   15.123422][  T435]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.123423][  T435]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.123424][  T435]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.123426][  T435]  ? 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)
[   15.123428][  T435]  idempotent_init_module (kernel/module/main.c:3802)
[   15.123429][  T435]  ? init_module_from_file (kernel/module/main.c:3791)
[   15.123431][  T435]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.123433][  T435]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.123435][  T435]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   15.123436][  T435]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.123439][  T435]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.123443][  T435]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.123445][  T435]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.123447][  T435] RIP: 0033:0x7f229f8f837d
[   15.123449][  T435] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.123451][  T435] RSP: 002b:00007ffd9ce1e998 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   15.123454][  T435] RAX: ffffffffffffffda RBX: 000055a63cc14810 RCX: 00007f229f8f837d
[   15.123455][  T435] RDX: 0000000000000000 RSI: 000055a6050b1ffd RDI: 0000000000000000
[   15.123456][  T435] RBP: 00007ffd9ce1ea30 R08: 0000000000000000 R09: 0000000000000000
[   15.123457][  T435] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6050b1ffd
[   15.123458][  T435] R13: 000055a63cc14960 R14: 0000000000040000 R15: 0000000000000000
| [   27.963313][  T858] softirqs last disabled at (0): 0x0
| [   27.963314][  T858] Preemption disabled at:
| [   27.963315][  T858] 0x0
| [   27.963323][  T858] Tainted: [W]=WARN
[   27.963324][  T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.963326][  T858] Call Trace:
[   27.963327][  T858]  <TASK>
[   27.963329][  T858]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.963335][  T858]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.963339][  T858]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.963342][  T858]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.963345][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963348][  T858]  __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))
[   27.963351][  T858]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.963354][  T858]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.963358][  T858]  ? 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)
[   27.963360][  T858]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.963363][  T858]  put_chars (drivers/char/virtio_console.c:1176)
[   27.963364][  T858]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.963366][  T858]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.963369][  T858]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.963373][  T858]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.963375][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963376][  T858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.963379][  T858]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.963382][  T858]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.963384][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963384][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963385][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963386][  T858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.963388][  T858]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.963390][  T858]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.963392][  T858]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.963395][  T858]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.963397][  T858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.963399][  T858]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.963400][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963401][  T858]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.963402][  T858]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.963404][  T858]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   27.963405][  T858]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.963407][  T858]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.963409][  T858]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.963411][  T858]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.963412][  T858]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   27.963414][  T858]  ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740)
[   27.963416][  T858]  _printk (kernel/printk/printk.c:2504)
[   27.963419][  T858]  ? snapshot_read.cold (user.c:?)
[   27.963420][  T858]  ? 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)
[   27.963422][  T858]  ? 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)
[   27.963424][  T858]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.963426][  T858]  ? 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)
[   27.963428][  T858]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   27.963430][  T858]  ? exit_notify (kernel/exit.c:780)
[   27.963432][  T858]  ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3))
[   27.963434][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.963436][  T858]  do_group_exit (kernel/exit.c:1151)
[   27.963437][  T858]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   27.963439][  T858]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   27.963449][  T858]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.963452][  T858]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.963454][  T858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.963456][  T858] RIP: 0033:0x7f643994a1b8
[   27.963458][  T858] Code: Unable to access opcode bytes at 0x7f643994a18e.

Code starting with the faulting instruction
===========================================
[   27.963459][  T858] RSP: 002b:00007ffcb8a8ca08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   27.963462][  T858] RAX: ffffffffffffffda RBX: 00007f6439a7af88 RCX: 00007f643994a1b8
[   27.963463][  T858] RDX: 00007f6439694fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   27.963464][  T858] RBP: 00007ffcb8a8ca60 R08: 0000000000000000 R09: 0000000000000050
[   27.963465][  T858] R10: 00007ffcb8a8c820 R11: 0000000000000246 R12: 0000000000000001


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