======================================
| [    9.615878][  T179] softirqs last disabled at (22279): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.615880][  T179] Preemption disabled at:
| [    9.615881][  T179] 0x0
| [    9.615891][  T179] Tainted: [W]=WARN
[    9.615892][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.615893][  T179] Call Trace:
[    9.615895][  T179]  <TASK>
[    9.615897][  T179]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.615902][  T179]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.615907][  T179]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.615911][  T179]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.615916][  T179]  __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))
[    9.615918][  T179]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.615924][  T179]  ? 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)
[    9.615927][  T179]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.615930][  T179]  put_chars (drivers/char/virtio_console.c:1176)
[    9.615933][  T179]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.615935][  T179]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.615940][  T179]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.615945][  T179]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.615952][  T179]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.615954][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.615957][  T179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.615961][  T179]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.615965][  T179]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.615966][  T179]  ? 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))
[    9.615970][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.615972][  T179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.615976][  T179]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.615980][  T179]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.615982][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.615987][  T179]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.615989][  T179]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.615991][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.615994][  T179]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.615997][  T179]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.615999][  T179]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.616003][  T179]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.616007][  T179]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.616011][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.616014][  T179]  _printk (kernel/printk/printk.c:2504)
[    9.616018][  T179]  ? snapshot_read.cold (user.c:?)
[    9.616020][  T179]  ? 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)
[    9.616023][  T179]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.616027][  T179]  ? 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)
[    9.616029][  T179]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.616033][  T179]  ? exit_notify (kernel/exit.c:780)
[    9.616034][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.616037][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.616041][  T179]  do_group_exit (kernel/exit.c:1151)
[    9.616044][  T179]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.616046][  T179]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.616049][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.616053][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.616056][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.616058][  T179] RIP: 0033:0x7f735cf241b8
[    9.616060][  T179] Code: Unable to access opcode bytes at 0x7f735cf2418e.

Code starting with the faulting instruction
===========================================
[    9.616061][  T179] RSP: 002b:00007ffd0059cba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.616064][  T179] RAX: ffffffffffffffda RBX: 00007f735d054f88 RCX: 00007f735cf241b8
[    9.616065][  T179] RDX: 00007f735cc6efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.616066][  T179] RBP: 00007ffd0059cc00 R08: 0000000000000000 R09: 0000000000000050
[    9.616067][  T179] R10: 00007ffd0059c9c0 R11: 0000000000000246 R12: 0000000000000001
[    9.616067][  T179] R13: 0000000000000000 R14: 00007f735d053680 R15: 00007f735d054fa0
| [   10.413751][    C0]
| [   10.413751][    C0]
| [   10.413751][    C0] stack backtrace:
| [   10.413757][    C0] Tainted: [W]=WARN
[   10.413758][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.413760][    C0] Call Trace:
[   10.413761][    C0]  <IRQ>
[   10.413763][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.413767][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   10.413769][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   10.413770][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   10.413773][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   10.413775][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   10.413777][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   10.413779][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.413780][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   10.413782][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413786][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.413788][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   10.413789][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   10.413791][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   10.413793][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.413795][    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))
[   10.413797][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413798][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.413800][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.413802][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.413804][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.413806][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.413808][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.413810][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413811][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.413813][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.413815][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.413817][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.413819][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.413821][    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))
[   10.413823][    C0]  _printk (kernel/printk/printk.c:2504)
[   10.413824][    C0]  ? snapshot_read.cold (user.c:?)
[   10.413826][    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))
[   10.413828][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.413830][    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))
[   10.413831][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.413833][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.413835][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   10.413837][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.413838][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.413842][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.413844][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.413845][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413848][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.413849][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.413851][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.413853][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.413856][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.413858][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.413860][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.413862][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.413864][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413866][    C0]  handle_softirqs (kernel/softirq.c:645)
[   10.413868][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.413869][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.413871][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.413872][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   10.413874][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.413875][    C0]  </IRQ>
[   10.413876][    C0]  <TASK>
[   10.413876][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   10.413878][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.413880][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   10.413882][    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
[   10.413884][    C0] RSP: 0018:ffffffffa9c07cf8 EFLAGS: 00000296
[   10.413886][    C0] RAX: 000000000003db05 RBX: ffffffffa9c2c600 RCX: ffffffffa6afa307
[   10.413887][    C0] RDX: ffffffffa9c2c600 RSI: ffffffffa9a78e7e RDI: ffffffffa948dce0
[   10.413888][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   10.413889][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5380fa2
[   10.413890][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   10.413891][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.413894][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.413895][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   10.413896][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   10.413897][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.413899][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   10.413900][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   10.413903][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413905][    C0]  do_idle (kernel/sched/idle.c:355)
[   10.413906][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   10.413908][    C0]  rest_init (init/main.c:727)
[   10.413909][    C0]  ? __cpuidle_text_end (??:?)
[   10.413912][    C0]  ? rest_init (init/main.c:727)
[   10.413913][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   10.413916][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   10.413918][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   10.413921][    C0]  start_kernel (init/main.c:1185)
[   10.413923][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   10.413925][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   10.413927][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   14.995719][  T250] softirqs last disabled at (0): 0x0
| [   14.995720][  T250] Preemption disabled at:
| [   14.995721][  T250] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.995732][  T250] Tainted: [W]=WARN
[   14.995733][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.995734][  T250] Call Trace:
[   14.995736][  T250]  <TASK>
[   14.995737][  T250]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.995742][  T250]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.995744][  T250]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.995748][  T250]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   14.995750][  T250]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.995753][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995757][  T250]  __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))
[   14.995760][  T250]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.995763][  T250]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.995767][  T250]  ? 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)
[   14.995769][  T250]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.995771][  T250]  put_chars (drivers/char/virtio_console.c:1176)
[   14.995773][  T250]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.995775][  T250]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   14.995777][  T250]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.995781][  T250]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.995782][  T250]  ? vsnprintf (lib/vsprintf.c:2900)
[   14.995785][  T250]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.995787][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995788][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995791][  T250]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.995793][  T250]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.995795][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995797][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995799][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995800][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.995802][  T250]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   14.995804][  T250]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.995806][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.995809][  T250]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.995811][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.995812][  T250]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.995814][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995815][  T250]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   14.995817][  T250]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.995818][  T250]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   14.995820][  T250]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.995822][  T250]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.995824][  T250]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.995827][  T250]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.995829][  T250]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   14.995832][  T250]  _printk (kernel/printk/printk.c:2504)
[   14.995835][  T250]  ? snapshot_read.cold (user.c:?)
[   14.995838][  T250]  ? 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)
[   14.995841][  T250] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   14.995843][  T250]  do_one_initcall (init/main.c:1357)
[   14.995845][  T250]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   14.995847][  T250]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   14.995850][  T250]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   14.995853][  T250]  do_init_module (kernel/module/main.c:3117)
[   14.995856][  T250]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   14.995858][  T250]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   14.995860][  T250]  load_module (kernel/module/main.c:3593)
[   14.995863][  T250]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   14.995865][  T250]  ? __ia32_sys_fsconfig (??:?)
[   14.995868][  T250]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   14.995871][  T250]  ? backing_file_read_iter (fs/backing-file.c:211)
[   14.995874][  T250]  init_module_from_file (kernel/module/main.c:3790)
[   14.995877][  T250]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   14.995879][  T250]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   14.995881][  T250]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.995883][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995885][  T250]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   14.995886][  T250]  ? 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)
[   14.995888][  T250]  idempotent_init_module (kernel/module/main.c:3802)
[   14.995890][  T250]  ? init_module_from_file (kernel/module/main.c:3791)
[   14.995893][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.995895][  T250]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.995899][  T250]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   14.995900][  T250]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.995903][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.995906][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.995908][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.995910][  T250] RIP: 0033:0x7f1b448c637d
[   14.995912][  T250] 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
[   14.995914][  T250] RSP: 002b:00007fffc3fdc888 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.995918][  T250] RAX: ffffffffffffffda RBX: 0000558419a19810 RCX: 00007f1b448c637d
[   14.995919][  T250] RDX: 0000000000000000 RSI: 0000558413435ffd RDI: 0000000000000000
[   14.995920][  T250] RBP: 00007fffc3fdc920 R08: 0000000000000000 R09: 0000000000000000
[   14.995921][  T250] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558413435ffd
[   14.995922][  T250] R13: 0000558419a19960 R14: 0000000000040000 R15: 0000000000000000
| [   19.794085][   T12] softirqs last disabled at (6672): addrconf_dad_begin (net/ipv6/addrconf.c:4137)
| [   19.794088][   T12] Preemption disabled at:
| [   19.794088][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.794099][   T12] Tainted: [W]=WARN
[   19.794100][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.794102][   T12] Workqueue: netns cleanup_net
[   19.794108][   T12] Call Trace:
[   19.794110][   T12]  <TASK>
[   19.794111][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.794116][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.794118][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.794121][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.794124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794128][   T12]  __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))
[   19.794131][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.794134][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.794137][   T12]  ? 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)
[   19.794139][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.794141][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   19.794143][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.794145][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   19.794148][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.794151][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.794153][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794154][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794156][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.794158][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.794161][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.794166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794169][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794170][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.794172][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   19.794174][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.794176][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.794179][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.794181][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.794182][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.794184][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794185][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.794187][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.794188][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   19.794190][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.794192][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.794194][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.794196][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.794198][   T12]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   19.794199][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   19.794202][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   19.794203][   T12]  _printk (kernel/printk/printk.c:2504)
[   19.794206][   T12]  ? snapshot_read.cold (user.c:?)
[   19.794208][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794210][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.794211][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.794214][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.794216][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.794217][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   19.794219][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   19.794220][   T12]  ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2))
[   19.794222][   T12]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   19.794224][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.794227][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   19.794229][   T12]  ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2))
[   19.794231][   T12]  ? netdev_sync_lower_features (net/core/dev.c:10949)
[   19.794233][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[   19.794236][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   19.794238][   T12]  hsr_del_port (net/hsr/hsr_slave.c:244)
[   19.794241][   T12]  hsr_del_ports (net/hsr/hsr_device.c:498)
[   19.794243][   T12]  hsr_dellink (net/hsr/hsr_netlink.c:141)
[   19.794245][   T12]  default_device_exit_batch (net/core/dev.c:13280)
[   19.794246][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3))
[   19.794248][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   19.794249][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.794251][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.794253][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   19.794256][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   19.794257][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.794260][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   19.794262][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.794264][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[   19.794266][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.794267][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.794270][   T12]  process_one_work (kernel/workqueue.c:3387)
[   19.794273][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   19.794275][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.794277][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.794279][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   19.794282][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.794284][   T12]  kthread (kernel/kthread.c:436)
[   19.794286][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.794288][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.794289][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.794292][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   19.794294][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.794297][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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