======================================
| # 149.40 [+0.00] [  864.392338] [    C0] hardirqs last  enabled at (785300): irqentry_exit (kernel/entry/common.c:220)
| # 149.41 [+0.01] [  864.392346] [    C0] hardirqs last disabled at (785301): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056)
| # 149.41 [+0.01] [  864.392349] [    C0] softirqs last  enabled at (756198): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| # 149.42 [+0.01] [  864.392353] [    C0] softirqs last disabled at (756201): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 149.43 [+0.01] [  864.392362] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 149.44 [+0.00] [  864.392364] [    C0] Workqueue: events_power_efficient neigh_periodic_work
# 149.44 [+0.01] [  864.392369] [    C0] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:520)
# 149.45 [+0.00] [  864.392375] [    C0] Code: 48 8b 54 24 10 48 85 c0 49 89 c0 0f 84 95 02 00 00 48 b9 00 00 00 00 00 fc ff df 49 8d 40 05 48 89 c6 48 c1 ee 03 0f b6 0c 0e <48> 89 c6 83 e6 07 40 38 f1 7f 08 84 c9 0f 85 1a 08 00 00 41 0f b6
All code
========
   0:	48 8b 54 24 10       	mov    0x10(%rsp),%rdx
   5:	48 85 c0             	test   %rax,%rax
   8:	49 89 c0             	mov    %rax,%r8
   b:	0f 84 95 02 00 00    	je     0x2a6
  11:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  18:	fc ff df 
  1b:	49 8d 40 05          	lea    0x5(%r8),%rax
  1f:	48 89 c6             	mov    %rax,%rsi
  22:	48 c1 ee 03          	shr    $0x3,%rsi
  26:	0f b6 0c 0e          	movzbl (%rsi,%rcx,1),%ecx
  2a:*	48 89 c6             	mov    %rax,%rsi		<-- trapping instruction
  2d:	83 e6 07             	and    $0x7,%esi
  30:	40 38 f1             	cmp    %sil,%cl
  33:	7f 08                	jg     0x3d
  35:	84 c9                	test   %cl,%cl
  37:	0f 85 1a 08 00 00    	jne    0x857
  3d:	41                   	rex.B
  3e:	0f                   	.byte 0xf
  3f:	b6                   	.byte 0xb6

Code starting with the faulting instruction
===========================================
   0:	48 89 c6             	mov    %rax,%rsi
   3:	83 e6 07             	and    $0x7,%esi
   6:	40 38 f1             	cmp    %sil,%cl
   9:	7f 08                	jg     0x13
   b:	84 c9                	test   %cl,%cl
   d:	0f 85 1a 08 00 00    	jne    0x82d
  13:	41                   	rex.B
  14:	0f                   	.byte 0xf
  15:	b6                   	.byte 0xb6
# 149.46 [+0.01] [  864.392377] [    C0] RSP: 0018:ffa00000000074c0 EFLAGS: 00000212
# 149.47 [+0.00] [  864.392379] [    C0] RAX: ffffffff94809039 RBX: 1ff4000000000ea1 RCX: 0000000000000000
# 149.47 [+0.01] [  864.392380] [    C0] RDX: ffa0000000007601 RSI: 1ffffffff2901207 RDI: 0000000000000000
# 149.48 [+0.01] [  864.392381] [    C0] RBP: 0000000000000002 R08: ffffffff94809034 R09: ffffffff94552724
# 149.48 [+0.01] [  864.392382] [    C0] R10: ffffffff912063cd R11: 0000000000000000 R12: ffa0000000007618
# 149.49 [+0.01] [  864.392383] [    C0] R13: ffa00000000075c0 R14: 0000000000000000 R15: ff11000014d2a2c0
# 149.50 [+0.01] [  864.392385] [    C0] FS:  0000000000000000(0000) GS:ff110000a04d4000(0000) knlGS:0000000000000000
# 149.50 [+0.01] [  864.392387] [    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# 149.51 [+0.00] [  864.392388] [    C0] CR2: 00005649d19e6a40 CR3: 0000000008c48005 CR4: 0000000000771ef0
# 149.51 [+0.01] [  864.392389] [    C0] PKRU: 55555554
# 149.52 [+0.00] [  864.392390] [    C0] Call Trace:
# 149.52 [+0.00] [  864.392392] [    C0]  <IRQ>
# 149.52 [+0.00] [  864.392394] [    C0]  ? kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
# 149.52 [+0.00] [  864.392399] [    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 (discriminator 1) kernel/rcu/update.c:380 (discriminator 1))
# 149.53 [+0.00] [  864.392405] [    C0]  ? stack_access_ok (arch/x86/kernel/unwind_orc.c:485)
# 149.53 [+0.00] [  864.392409] [    C0]  ? __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:770)
# 149.53 [+0.00] [  864.392412] [    C0]  ? write_profile (kernel/stacktrace.c:83)
# 149.54 [+0.00] [  864.392415] [    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 3))
# 149.54 [+0.00] [  864.392421] [    C0]  ? kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
# 149.54 [+0.00] [  864.392425] [    C0]  stack_trace_save (kernel/stacktrace.c:123)
# 149.55 [+0.00] [  864.392428] [    C0]  ? filter_irq_stacks (kernel/stacktrace.c:114)
# 149.55 [+0.00] [  864.392431] [    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
# 149.56 [+0.00] [  864.392435] [    C0]  kasan_save_stack (mm/kasan/common.c:57)
# 149.56 [+0.00] [  864.392438] [    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
# 149.56 [+0.00] [  864.392439] [    C0]  ? kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
# 149.57 [+0.00] [  864.392441] [    C0]  ? kasan_save_free_info (mm/kasan/generic.c:587 (discriminator 1))
# 149.57 [+0.00] [  864.392443] [    C0]  ? __kasan_slab_free (mm/kasan/common.c:286)
# 149.57 [+0.00] [  864.392445] [    C0]  ? kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
# 149.58 [+0.00] [  864.392460] [    C0]  kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
# 149.58 [+0.00] [  864.392462] [    C0]  kasan_save_free_info (mm/kasan/generic.c:587 (discriminator 1))
# 149.58 [+0.00] [  864.392466] [    C0]  __kasan_slab_free (mm/kasan/common.c:286)
# 149.59 [+0.00] [  864.392469] [    C0]  kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
# 149.59 [+0.00] [  864.392471] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 149.59 [+0.00] [  864.392473] [    C0]  ? skb_release_data (net/core/skbuff.c:1118)
# 149.60 [+0.00] [  864.392479] [    C0]  ? skb_release_data (net/core/skbuff.c:1118)
# 149.60 [+0.00] [  864.392481] [    C0]  skb_release_data (net/core/skbuff.c:1118)
# 149.61 [+0.00] [  864.392484] [    C0]  ? dst_release (./include/linux/rcuref.h:174 (discriminator 3) net/core/dst.c:167 (discriminator 3))
# 149.61 [+0.00] [  864.392488] [    C0]  sk_skb_reason_drop (net/core/skbuff.c:1197 net/core/skbuff.c:1234)
# 149.61 [+0.00] [  864.392491] [    C0]  ip6_mc_input (./include/linux/skbuff.h:1332 net/ipv6/ip6_input.c:593)
# 149.62 [+0.00] [  864.392495] [    C0]  ? ip6_input (net/ipv6/ip6_input.c:510)
# 149.62 [+0.00] [  864.392496] [    C0]  ? sock_wfree (net/core/sock.c:2683 (discriminator 1))
# 149.62 [+0.00] [  864.392499] [    C0]  ? ip6_rcv_core (./include/linux/skbuff.h:3377 net/ipv6/ip6_input.c:292)
# 149.63 [+0.00] [  864.392503] [    C0]  ipv6_rcv (./include/net/dst.h:474 (discriminator 4) net/ipv6/ip6_input.c:79 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_input.c:311 (discriminator 4))
# 149.63 [+0.00] [  864.392506] [    C0]  ? ip6_rcv_core (net/ipv6/ip6_input.c:305)
# 149.63 [+0.00] [  864.392511] [    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
# 149.64 [+0.00] [  864.392514] [    C0]  __netif_receive_skb_one_core (net/core/dev.c:6132)
# 149.64 [+0.00] [  864.392517] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 149.64 [+0.00] [  864.392520] [    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6132)
# 149.65 [+0.00] [  864.392522] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 149.65 [+0.00] [  864.392526] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 149.66 [+0.00] [  864.392529] [    C0]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6605)
# 149.66 [+0.00] [  864.392531] [    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 (discriminator 1) net/core/dev.c:6602 (discriminator 1))
# 149.66 [+0.00] [  864.392536] [    C0]  __napi_poll.constprop.0 (net/core/dev.c:7669)
# 149.67 [+0.00] [  864.392539] [    C0]  net_rx_action (net/core/dev.c:7731 net/core/dev.c:7883)
# 149.67 [+0.00] [  864.392544] [    C0]  ? run_backlog_napi (net/core/dev.c:7845)
# 149.67 [+0.00] [  864.392554] [    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 (discriminator 3) kernel/locking/spinlock.c:202 (discriminator 3))
# 149.68 [+0.00] [  864.392557] [    C0]  ? run_timer_softirq (kernel/time/timer.c:2401)
# 149.68 [+0.00] [  864.392560] [    C0]  ? __run_timers (kernel/time/timer.c:2401)
# 149.68 [+0.00] [  864.392564] [    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
# 149.69 [+0.00] [  864.392568] [    C0]  ? _local_bh_enable (kernel/softirq.c:580)
# 149.69 [+0.00] [  864.392571] [    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
# 149.70 [+0.00] [  864.392575] [    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 149.70 [+0.00] [  864.392577] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 149.70 [+0.00] [  864.392580] [    C0]  </IRQ>
# 149.70 [+0.00] [  864.392580] [    C0]  <TASK>
# 149.71 [+0.00] [  864.392582] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 149.71 [+0.00] [  864.392585] [    C0] RIP: 0010:preempt_schedule_irq (kernel/sched/core.c:7190)
# 149.71 [+0.00] [  864.392587] [    C0] Code: 00 00 fc ff df 53 65 48 8b 1d b0 d1 07 02 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 9f 72 d5 fd e8 8a 09 07 fe fb bf 01 00 00 00 <e8> 6f e2 ff ff 9c 58 fa f6 c4 02 75 20 bf 01 00 00 00 e8 ad ee d4
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	fc                   	cld
   3:	ff                   	lcall  (bad)
   4:	df 53 65             	fists  0x65(%rbx)
   7:	48 8b 1d b0 d1 07 02 	mov    0x207d1b0(%rip),%rbx        # 0x207d1be
   e:	48 c1 eb 03          	shr    $0x3,%rbx
  12:	48 01 c3             	add    %rax,%rbx
  15:	bf 01 00 00 00       	mov    $0x1,%edi
  1a:	e8 9f 72 d5 fd       	call   0xfffffffffdd572be
  1f:	e8 8a 09 07 fe       	call   0xfffffffffe0709ae
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 6f e2 ff ff       	call   0xffffffffffffe29e		<-- trapping instruction
  2f:	9c                   	pushf
  30:	58                   	pop    %rax
  31:	fa                   	cli
  32:	f6 c4 02             	test   $0x2,%ah
  35:	75 20                	jne    0x57
  37:	bf 01 00 00 00       	mov    $0x1,%edi
  3c:	e8                   	.byte 0xe8
  3d:	ad                   	lods   (%rsi),%eax
  3e:	ee                   	out    %al,(%dx)
  3f:	d4                   	(bad)

Code starting with the faulting instruction
===========================================
   0:	e8 6f e2 ff ff       	call   0xffffffffffffe274
   5:	9c                   	pushf
   6:	58                   	pop    %rax
   7:	fa                   	cli
   8:	f6 c4 02             	test   $0x2,%ah
   b:	75 20                	jne    0x2d
   d:	bf 01 00 00 00       	mov    $0x1,%edi
  12:	e8                   	.byte 0xe8
  13:	ad                   	lods   (%rsi),%eax
  14:	ee                   	out    %al,(%dx)
  15:	d4                   	(bad)
# 149.73 [+0.01] [  864.392588] [    C0] RSP: 0018:ffa0000000c67a08 EFLAGS: 00000296
# 149.73 [+0.00] [  864.392589] [    C0] RAX: 00000000000b89e7 RBX: ffe21c00029a5458 RCX: ffffffff92ccee86
# 149.74 [+0.01] [  864.392589] [    C0] RDX: ff11000014d2a2c0 RSI: ffffffff935b3a4c RDI: 0000000000000001
# 149.74 [+0.01] [  864.392590] [    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
# 149.75 [+0.01] [  864.392591] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffa0000000c67a58
# 149.76 [+0.01] [  864.392592] [    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
# 149.76 [+0.01] [  864.392595] [    C0]  ? preempt_schedule_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/core.c:7189)
# 149.77 [+0.00] [  864.392598] [    C0]  ? preempt_schedule_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/core.c:7189)
# 149.77 [+0.00] [  864.392601] [    C0]  irqentry_exit (kernel/entry/common.c:219)
# 149.77 [+0.00] [  864.392603] [    C0]  ? common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 52))
# 149.78 [+0.00] [  864.392606] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 149.78 [+0.00] [  864.392607] [    C0] RIP: 0010:neigh_periodic_work (./include/linux/spinlock.h:356 net/core/neighbour.c:985)
# 149.78 [+0.00] [  864.392609] [    C0] Code: 0c 00 f2 f2 f2 c7 44 02 10 00 f3 f3 f3 48 89 f8 48 c1 e8 03 80 3c 10 00 0f 85 7d 09 00 00 49 8b 80 68 02 00 00 65 48 ff 40 40 <4d> 8d b8 20 02 00 00 4c 89 04 24 4c 89 ff e8 74 3d 82 00 e8 cf cd
All code
========
   0:	0c 00                	or     $0x0,%al
   2:	f2 f2 f2 c7 44 02 10 	repnz repnz repnz movl $0xf3f3f300,0x10(%rdx,%rax,1)
   9:	00 f3 f3 f3 
   d:	48 89 f8             	mov    %rdi,%rax
  10:	48 c1 e8 03          	shr    $0x3,%rax
  14:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1)
  18:	0f 85 7d 09 00 00    	jne    0x99b
  1e:	49 8b 80 68 02 00 00 	mov    0x268(%r8),%rax
  25:	65 48 ff 40 40       	incq   %gs:0x40(%rax)
  2a:*	4d 8d b8 20 02 00 00 	lea    0x220(%r8),%r15		<-- trapping instruction
  31:	4c 89 04 24          	mov    %r8,(%rsp)
  35:	4c 89 ff             	mov    %r15,%rdi
  38:	e8 74 3d 82 00       	call   0x823db1
  3d:	e8                   	.byte 0xe8
  3e:	cf                   	iret
  3f:	cd                   	.byte 0xcd

Code starting with the faulting instruction
===========================================
   0:	4d 8d b8 20 02 00 00 	lea    0x220(%r8),%r15
   7:	4c 89 04 24          	mov    %r8,(%rsp)
   b:	4c 89 ff             	mov    %r15,%rdi
   e:	e8 74 3d 82 00       	call   0x823d87
  13:	e8                   	.byte 0xe8
  14:	cf                   	iret
  15:	cd                   	.byte 0xcd
# 149.80 [+0.01] [  864.392610] [    C0] RSP: 0018:ffa0000000c67b00 EFLAGS: 00000206
# 149.80 [+0.00] [  864.392611] [    C0] RAX: 00c0ffff5f72d690 RBX: 1ff400000018cf68 RCX: 0000000000000000
# 149.81 [+0.01] [  864.392611] [    C0] RDX: dffffc0000000000 RSI: ffffffff9306ad80 RDI: ffffffff94385b08
# 149.81 [+0.01] [  864.392612] [    C0] RBP: ff110000352361c0 R08: ffffffff943858a0 R09: fffffbfff288624a
# 149.82 [+0.01] [  864.392613] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff94432134
# 149.83 [+0.01] [  864.392613] [    C0] R13: ff1100000d51f0c0 R14: ff11000014d2a6c4 R15: ffffffff943858a0
# 149.83 [+0.01] [  864.392620] [    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
# 149.83 [+0.00] [  864.392624] [    C0]  ? __neigh_for_each_release (net/core/neighbour.c:976)
# 149.84 [+0.00] [  864.392626] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 149.84 [+0.00] [  864.392628] [    C0]  ? process_one_work (kernel/workqueue.c:3233 (discriminator 1))
# 149.85 [+0.00] [  864.392631] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 149.85 [+0.00] [  864.392633] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 149.85 [+0.00] [  864.392634] [    C0]  ? process_one_work (kernel/workqueue.c:3233 (discriminator 1))
# 149.86 [+0.00] [  864.392635] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 149.86 [+0.00] [  864.392636] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 149.86 [+0.00] [  864.392639] [    C0]  process_one_work (kernel/workqueue.c:3262)
# 149.87 [+0.00] [  864.392645] [    C0]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3159)
# 149.87 [+0.00] [  864.392647] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 149.88 [+0.00] [  864.392651] [    C0]  ? assign_work (kernel/workqueue.c:1200)
# 149.88 [+0.00] [  864.392654] [    C0]  worker_thread (kernel/workqueue.c:3334 (discriminator 2) kernel/workqueue.c:3421 (discriminator 2))
# 149.88 [+0.00] [  864.392657] [    C0]  ? process_one_work (kernel/workqueue.c:3367)
# 149.89 [+0.00] [  864.392660] [    C0]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
# 149.89 [+0.00] [  864.392664] [    C0]  ? process_one_work (kernel/workqueue.c:3367)
# 149.89 [+0.00] [  864.392666] [    C0]  kthread (kernel/kthread.c:463)
# 149.90 [+0.00] [  864.392668] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 149.90 [+0.00] [  864.392669] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 149.90 [+0.00] [  864.392672] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 149.91 [+0.00] [  864.392674] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 149.91 [+0.00] [  864.392676] [    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
# 149.91 [+0.00] [  864.392679] [    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
# 149.92 [+0.00] [  864.392682] [    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
# 149.92 [+0.00] [  864.392685] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 149.93 [+0.00] [  864.392687] [    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| [  864.392338][    C0] hardirqs last  enabled at (785300): irqentry_exit (kernel/entry/common.c:220)
| [  864.392346][    C0] hardirqs last disabled at (785301): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056)
| [  864.392349][    C0] softirqs last  enabled at (756198): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| [  864.392353][    C0] softirqs last disabled at (756201): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[  864.392362][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  864.392364][    C0] Workqueue: events_power_efficient neigh_periodic_work
[  864.392369][    C0] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:520)
[  864.392375][    C0] Code: 48 8b 54 24 10 48 85 c0 49 89 c0 0f 84 95 02 00 00 48 b9 00 00 00 00 00 fc ff df 49 8d 40 05 48 89 c6 48 c1 ee 03 0f b6 0c 0e <48> 89 c6 83 e6 07 40 38 f1 7f 08 84 c9 0f 85 1a 08 00 00 41 0f b6
All code
========
   0:	48 8b 54 24 10       	mov    0x10(%rsp),%rdx
   5:	48 85 c0             	test   %rax,%rax
   8:	49 89 c0             	mov    %rax,%r8
   b:	0f 84 95 02 00 00    	je     0x2a6
  11:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  18:	fc ff df 
  1b:	49 8d 40 05          	lea    0x5(%r8),%rax
  1f:	48 89 c6             	mov    %rax,%rsi
  22:	48 c1 ee 03          	shr    $0x3,%rsi
  26:	0f b6 0c 0e          	movzbl (%rsi,%rcx,1),%ecx
  2a:*	48 89 c6             	mov    %rax,%rsi		<-- trapping instruction
  2d:	83 e6 07             	and    $0x7,%esi
  30:	40 38 f1             	cmp    %sil,%cl
  33:	7f 08                	jg     0x3d
  35:	84 c9                	test   %cl,%cl
  37:	0f 85 1a 08 00 00    	jne    0x857
  3d:	41                   	rex.B
  3e:	0f                   	.byte 0xf
  3f:	b6                   	.byte 0xb6

Code starting with the faulting instruction
===========================================
   0:	48 89 c6             	mov    %rax,%rsi
   3:	83 e6 07             	and    $0x7,%esi
   6:	40 38 f1             	cmp    %sil,%cl
   9:	7f 08                	jg     0x13
   b:	84 c9                	test   %cl,%cl
   d:	0f 85 1a 08 00 00    	jne    0x82d
  13:	41                   	rex.B
  14:	0f                   	.byte 0xf
  15:	b6                   	.byte 0xb6
[  864.392377][    C0] RSP: 0018:ffa00000000074c0 EFLAGS: 00000212
[  864.392379][    C0] RAX: ffffffff94809039 RBX: 1ff4000000000ea1 RCX: 0000000000000000
[  864.392380][    C0] RDX: ffa0000000007601 RSI: 1ffffffff2901207 RDI: 0000000000000000
[  864.392381][    C0] RBP: 0000000000000002 R08: ffffffff94809034 R09: ffffffff94552724
[  864.392382][    C0] R10: ffffffff912063cd R11: 0000000000000000 R12: ffa0000000007618
[  864.392383][    C0] R13: ffa00000000075c0 R14: 0000000000000000 R15: ff11000014d2a2c0
[  864.392385][    C0] FS:  0000000000000000(0000) GS:ff110000a04d4000(0000) knlGS:0000000000000000
[  864.392387][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  864.392388][    C0] CR2: 00005649d19e6a40 CR3: 0000000008c48005 CR4: 0000000000771ef0
[  864.392389][    C0] PKRU: 55555554
[  864.392390][    C0] Call Trace:
[  864.392392][    C0]  <IRQ>
[  864.392394][    C0]  ? kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
[  864.392399][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 (discriminator 1) kernel/rcu/update.c:380 (discriminator 1))
[  864.392405][    C0]  ? stack_access_ok (arch/x86/kernel/unwind_orc.c:485)
[  864.392409][    C0]  ? __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:770)
[  864.392412][    C0]  ? write_profile (kernel/stacktrace.c:83)
[  864.392415][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 3))
[  864.392421][    C0]  ? kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
[  864.392425][    C0]  stack_trace_save (kernel/stacktrace.c:123)
[  864.392428][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:114)
[  864.392431][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[  864.392435][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[  864.392438][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[  864.392439][    C0]  ? kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
[  864.392441][    C0]  ? kasan_save_free_info (mm/kasan/generic.c:587 (discriminator 1))
[  864.392443][    C0]  ? __kasan_slab_free (mm/kasan/common.c:286)
[  864.392445][    C0]  ? kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
[  864.392460][    C0]  kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
[  864.392462][    C0]  kasan_save_free_info (mm/kasan/generic.c:587 (discriminator 1))
[  864.392466][    C0]  __kasan_slab_free (mm/kasan/common.c:286)
[  864.392469][    C0]  kmem_cache_free (mm/slub.c:6670 (discriminator 3) mm/slub.c:6781 (discriminator 3))
[  864.392471][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  864.392473][    C0]  ? skb_release_data (net/core/skbuff.c:1118)
[  864.392479][    C0]  ? skb_release_data (net/core/skbuff.c:1118)
[  864.392481][    C0]  skb_release_data (net/core/skbuff.c:1118)
[  864.392484][    C0]  ? dst_release (./include/linux/rcuref.h:174 (discriminator 3) net/core/dst.c:167 (discriminator 3))
[  864.392488][    C0]  sk_skb_reason_drop (net/core/skbuff.c:1197 net/core/skbuff.c:1234)
[  864.392491][    C0]  ip6_mc_input (./include/linux/skbuff.h:1332 net/ipv6/ip6_input.c:593)
[  864.392495][    C0]  ? ip6_input (net/ipv6/ip6_input.c:510)
[  864.392496][    C0]  ? sock_wfree (net/core/sock.c:2683 (discriminator 1))
[  864.392499][    C0]  ? ip6_rcv_core (./include/linux/skbuff.h:3377 net/ipv6/ip6_input.c:292)
[  864.392503][    C0]  ipv6_rcv (./include/net/dst.h:474 (discriminator 4) net/ipv6/ip6_input.c:79 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_input.c:311 (discriminator 4))
[  864.392506][    C0]  ? ip6_rcv_core (net/ipv6/ip6_input.c:305)
[  864.392511][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  864.392514][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6132)
[  864.392517][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  864.392520][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6132)
[  864.392522][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  864.392526][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  864.392529][    C0]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6605)
[  864.392531][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 (discriminator 1) net/core/dev.c:6602 (discriminator 1))
[  864.392536][    C0]  __napi_poll.constprop.0 (net/core/dev.c:7669)
[  864.392539][    C0]  net_rx_action (net/core/dev.c:7731 net/core/dev.c:7883)
[  864.392544][    C0]  ? run_backlog_napi (net/core/dev.c:7845)
[  864.392554][    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 (discriminator 3) kernel/locking/spinlock.c:202 (discriminator 3))
[  864.392557][    C0]  ? run_timer_softirq (kernel/time/timer.c:2401)
[  864.392560][    C0]  ? __run_timers (kernel/time/timer.c:2401)
[  864.392564][    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[  864.392568][    C0]  ? _local_bh_enable (kernel/softirq.c:580)
[  864.392571][    C0]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  864.392575][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[  864.392577][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  864.392580][    C0]  </IRQ>
[  864.392580][    C0]  <TASK>
[  864.392582][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  864.392585][    C0] RIP: 0010:preempt_schedule_irq (kernel/sched/core.c:7190)
[  864.392587][    C0] Code: 00 00 fc ff df 53 65 48 8b 1d b0 d1 07 02 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 9f 72 d5 fd e8 8a 09 07 fe fb bf 01 00 00 00 <e8> 6f e2 ff ff 9c 58 fa f6 c4 02 75 20 bf 01 00 00 00 e8 ad ee d4
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	fc                   	cld
   3:	ff                   	lcall  (bad)
   4:	df 53 65             	fists  0x65(%rbx)
   7:	48 8b 1d b0 d1 07 02 	mov    0x207d1b0(%rip),%rbx        # 0x207d1be
   e:	48 c1 eb 03          	shr    $0x3,%rbx
  12:	48 01 c3             	add    %rax,%rbx
  15:	bf 01 00 00 00       	mov    $0x1,%edi
  1a:	e8 9f 72 d5 fd       	call   0xfffffffffdd572be
  1f:	e8 8a 09 07 fe       	call   0xfffffffffe0709ae
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 6f e2 ff ff       	call   0xffffffffffffe29e		<-- trapping instruction
  2f:	9c                   	pushf
  30:	58                   	pop    %rax
  31:	fa                   	cli
  32:	f6 c4 02             	test   $0x2,%ah
  35:	75 20                	jne    0x57
  37:	bf 01 00 00 00       	mov    $0x1,%edi
  3c:	e8                   	.byte 0xe8
  3d:	ad                   	lods   (%rsi),%eax
  3e:	ee                   	out    %al,(%dx)
  3f:	d4                   	(bad)

Code starting with the faulting instruction
===========================================
   0:	e8 6f e2 ff ff       	call   0xffffffffffffe274
   5:	9c                   	pushf
   6:	58                   	pop    %rax
   7:	fa                   	cli
   8:	f6 c4 02             	test   $0x2,%ah
   b:	75 20                	jne    0x2d
   d:	bf 01 00 00 00       	mov    $0x1,%edi
  12:	e8                   	.byte 0xe8
  13:	ad                   	lods   (%rsi),%eax
  14:	ee                   	out    %al,(%dx)
  15:	d4                   	(bad)
[  864.392588][    C0] RSP: 0018:ffa0000000c67a08 EFLAGS: 00000296
[  864.392589][    C0] RAX: 00000000000b89e7 RBX: ffe21c00029a5458 RCX: ffffffff92ccee86
[  864.392589][    C0] RDX: ff11000014d2a2c0 RSI: ffffffff935b3a4c RDI: 0000000000000001
[  864.392590][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[  864.392591][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffa0000000c67a58
[  864.392592][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  864.392595][    C0]  ? preempt_schedule_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/core.c:7189)
[  864.392598][    C0]  ? preempt_schedule_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/core.c:7189)
[  864.392601][    C0]  irqentry_exit (kernel/entry/common.c:219)
[  864.392603][    C0]  ? common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 52))
[  864.392606][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  864.392607][    C0] RIP: 0010:neigh_periodic_work (./include/linux/spinlock.h:356 net/core/neighbour.c:985)
[  864.392609][    C0] Code: 0c 00 f2 f2 f2 c7 44 02 10 00 f3 f3 f3 48 89 f8 48 c1 e8 03 80 3c 10 00 0f 85 7d 09 00 00 49 8b 80 68 02 00 00 65 48 ff 40 40 <4d> 8d b8 20 02 00 00 4c 89 04 24 4c 89 ff e8 74 3d 82 00 e8 cf cd
All code
========
   0:	0c 00                	or     $0x0,%al
   2:	f2 f2 f2 c7 44 02 10 	repnz repnz repnz movl $0xf3f3f300,0x10(%rdx,%rax,1)
   9:	00 f3 f3 f3 
   d:	48 89 f8             	mov    %rdi,%rax
  10:	48 c1 e8 03          	shr    $0x3,%rax
  14:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1)
  18:	0f 85 7d 09 00 00    	jne    0x99b
  1e:	49 8b 80 68 02 00 00 	mov    0x268(%r8),%rax
  25:	65 48 ff 40 40       	incq   %gs:0x40(%rax)
  2a:*	4d 8d b8 20 02 00 00 	lea    0x220(%r8),%r15		<-- trapping instruction
  31:	4c 89 04 24          	mov    %r8,(%rsp)
  35:	4c 89 ff             	mov    %r15,%rdi
  38:	e8 74 3d 82 00       	call   0x823db1
  3d:	e8                   	.byte 0xe8
  3e:	cf                   	iret
  3f:	cd                   	.byte 0xcd

Code starting with the faulting instruction
===========================================
   0:	4d 8d b8 20 02 00 00 	lea    0x220(%r8),%r15
   7:	4c 89 04 24          	mov    %r8,(%rsp)
   b:	4c 89 ff             	mov    %r15,%rdi
   e:	e8 74 3d 82 00       	call   0x823d87
  13:	e8                   	.byte 0xe8
  14:	cf                   	iret
  15:	cd                   	.byte 0xcd
[  864.392610][    C0] RSP: 0018:ffa0000000c67b00 EFLAGS: 00000206
[  864.392611][    C0] RAX: 00c0ffff5f72d690 RBX: 1ff400000018cf68 RCX: 0000000000000000
[  864.392611][    C0] RDX: dffffc0000000000 RSI: ffffffff9306ad80 RDI: ffffffff94385b08
[  864.392612][    C0] RBP: ff110000352361c0 R08: ffffffff943858a0 R09: fffffbfff288624a
[  864.392613][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff94432134
[  864.392613][    C0] R13: ff1100000d51f0c0 R14: ff11000014d2a6c4 R15: ffffffff943858a0
[  864.392620][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  864.392624][    C0]  ? __neigh_for_each_release (net/core/neighbour.c:976)
[  864.392626][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  864.392628][    C0]  ? process_one_work (kernel/workqueue.c:3233 (discriminator 1))
[  864.392631][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  864.392633][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  864.392634][    C0]  ? process_one_work (kernel/workqueue.c:3233 (discriminator 1))
[  864.392635][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  864.392636][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  864.392639][    C0]  process_one_work (kernel/workqueue.c:3262)
[  864.392645][    C0]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:3159)
[  864.392647][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  864.392651][    C0]  ? assign_work (kernel/workqueue.c:1200)
[  864.392654][    C0]  worker_thread (kernel/workqueue.c:3334 (discriminator 2) kernel/workqueue.c:3421 (discriminator 2))
[  864.392657][    C0]  ? process_one_work (kernel/workqueue.c:3367)
[  864.392660][    C0]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
[  864.392664][    C0]  ? process_one_work (kernel/workqueue.c:3367)
[  864.392666][    C0]  kthread (kernel/kthread.c:463)
[  864.392668][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  864.392669][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  864.392672][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  864.392674][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  864.392676][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[  864.392679][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  864.392682][    C0]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[  864.392685][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)


Finger prints:
irqentry_exit:sysvec_apic_timer_interrupt:handle_softirqs:irq_exit_rcu:unwind_next_frame