======================================
| # 128.69 [+0.00] [  624.382401] [    C0] hardirqs last  enabled at (1162660): irqentry_exit (kernel/entry/common.c:220)
| # 128.70 [+0.01] [  624.382410] [    C0] hardirqs last disabled at (1162661): sysvec_apic_timer_interrupt (./arch/x86/include/asm/hardirq.h:78 arch/x86/kernel/apic/apic.c:1056)
| # 128.71 [+0.01] [  624.382412] [    C0] softirqs last  enabled at (984904): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| # 128.72 [+0.01] [  624.382416] [    C0] softirqs last disabled at (984907): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 128.74 [+0.01] [  624.382426] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 128.75 [+0.01] [  624.382428] [    C0] Stopper: softlockup_fn+0x0/0xc0 <- watchdog_timer_fn (kernel/watchdog.c:775 (discriminator 1))
# 128.76 [+0.01] [  624.382433] [    C0] RIP: 0010:kmem_cache_alloc_noprof (mm/slub.c:5264)
# 128.77 [+0.01] [  624.382438] [    C0] Code: fd ff ff 48 89 d6 48 c7 c7 e0 a9 b5 92 48 89 14 24 e8 f0 a0 7d 00 48 8b 14 24 e9 e5 fb ff ff 0f 1f 80 00 00 00 00 f3 0f 1e fa <0f> 1f 44 00 00 4c 8d 54 24 08 48 83 e4 f0 41 ff 72 f8 55 48 89 e5
All code
========
   0:	fd                   	std
   1:	ff                   	(bad)
   2:	ff 48 89             	decl   -0x77(%rax)
   5:	d6                   	(bad)
   6:	48 c7 c7 e0 a9 b5 92 	mov    $0xffffffff92b5a9e0,%rdi
   d:	48 89 14 24          	mov    %rdx,(%rsp)
  11:	e8 f0 a0 7d 00       	call   0x7da106
  16:	48 8b 14 24          	mov    (%rsp),%rdx
  1a:	e9 e5 fb ff ff       	jmp    0xfffffffffffffc04
  1f:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  26:	f3 0f 1e fa          	endbr64
  2a:*	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)		<-- trapping instruction
  2f:	4c 8d 54 24 08       	lea    0x8(%rsp),%r10
  34:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
  38:	41 ff 72 f8          	push   -0x8(%r10)
  3c:	55                   	push   %rbp
  3d:	48 89 e5             	mov    %rsp,%rbp

Code starting with the faulting instruction
===========================================
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	4c 8d 54 24 08       	lea    0x8(%rsp),%r10
   a:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
   e:	41 ff 72 f8          	push   -0x8(%r10)
  12:	55                   	push   %rbp
  13:	48 89 e5             	mov    %rsp,%rbp
# 128.79 [+0.02] [  624.382440] [    C0] RSP: 0018:ffa0000000007a48 EFLAGS: 00000202
# 128.80 [+0.01] [  624.382442] [    C0] RAX: ff11000001042900 RBX: 0000000000000000 RCX: 0000000000000820
# 128.80 [+0.01] [  624.382443] [    C0] RDX: 0000000000000001 RSI: 0000000000092820 RDI: ff11000001042900
# 128.81 [+0.01] [  624.382444] [    C0] RBP: 00000000000000e0 R08: 0000000000000000 R09: 0000000000000001
# 128.82 [+0.01] [  624.382445] [    C0] R10: 00000000000000e0 R11: 0000000000000001 R12: ff11000013ee1c40
# 128.83 [+0.01] [  624.382446] [    C0] R13: 0000000000000820 R14: 0000000000000000 R15: 0000000000000001
# 128.84 [+0.01] [  624.382449] [    C0] FS:  0000000000000000(0000) GS:ff1100009baed000(0000) knlGS:0000000000000000
# 128.85 [+0.01] [  624.382452] [    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# 128.86 [+0.01] [  624.382453] [    C0] CR2: 000055e25e2d8000 CR3: 0000000035134003 CR4: 0000000000771ef0
# 128.87 [+0.01] [  624.382454] [    C0] PKRU: 55555554
# 128.87 [+0.00] [  624.382455] [    C0] Call Trace:
# 128.87 [+0.00] [  624.382457] [    C0]  <IRQ>
# 128.88 [+0.00] [  624.382458] [    C0]  __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
# 128.88 [+0.01] [  624.382467] [    C0]  __create_object (mm/kmemleak.c:780)
# 128.89 [+0.01] [  624.382469] [    C0]  ? kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
# 128.89 [+0.01] [  624.382473] [    C0]  kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
# 128.90 [+0.01] [  624.382477] [    C0]  ? __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
# 128.90 [+0.01] [  624.382481] [    C0]  __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
# 128.91 [+0.00] [  624.382483] [    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:672 (discriminator 1))
# 128.91 [+0.01] [  624.382485] [    C0]  ? napi_skb_cache_get (net/core/skbuff.c:650)
# 128.92 [+0.01] [  624.382487] [    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
# 128.92 [+0.01] [  624.382490] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 128.93 [+0.01] [  624.382492] [    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
# 128.94 [+0.01] [  624.382494] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 128.94 [+0.01] [  624.382498] [    C0]  __neigh_notify (./include/linux/skbuff.h:1383 ./include/net/netlink.h:1055 net/core/neighbour.c:3544)
# 128.95 [+0.01] [  624.382501] [    C0]  neigh_timer_handler (net/core/neighbour.c:2734 net/core/neighbour.c:1192)
# 128.95 [+0.01] [  624.382503] [    C0]  ? call_timer_fn (kernel/time/timer.c:1745 (discriminator 1))
# 128.96 [+0.01] [  624.382505] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 128.96 [+0.01] [  624.382508] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
# 128.97 [+0.01] [  624.382510] [    C0]  call_timer_fn (kernel/time/timer.c:1749)
# 128.97 [+0.01] [  624.382513] [    C0]  ? detach_if_pending (kernel/time/timer.c:1725)
# 128.98 [+0.01] [  624.382515] [    C0]  ? debug_object_active_state (lib/debugobjects.c:862)
# 128.99 [+0.01] [  624.382520] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 128.99 [+0.01] [  624.382523] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.00 [+0.01] [  624.382525] [    C0]  __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
# 129.00 [+0.01] [  624.382528] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
# 129.01 [+0.01] [  624.382531] [    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
# 129.01 [+0.01] [  624.382533] [    C0]  ? __bpf_trace_itimer_expire (kernel/time/timer.c:2344)
# 129.02 [+0.01] [  624.382536] [    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
# 129.02 [+0.01] [  624.382541] [    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
# 129.03 [+0.01] [  624.382544] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 129.04 [+0.01] [  624.382548] [    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
# 129.04 [+0.01] [  624.382550] [    C0]  ? __run_timers (kernel/time/timer.c:2401)
# 129.05 [+0.01] [  624.382553] [    C0]  ? handle_softirqs (kernel/softirq.c:608)
# 129.05 [+0.01] [  624.382555] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.06 [+0.01] [  624.382556] [    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
# 129.06 [+0.01] [  624.382561] [    C0]  ? tasklet_unlock_wait (kernel/softirq.c:580)
# 129.07 [+0.01] [  624.382563] [    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)
# 129.07 [+0.01] [  624.382566] [    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 129.08 [+0.00] [  624.382568] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 129.08 [+0.01] [  624.382570] [    C0]  </IRQ>
# 129.09 [+0.00] [  624.382571] [    C0]  <TASK>
# 129.09 [+0.00] [  624.382572] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 129.10 [+0.01] [  624.382575] [    C0] RIP: 0010:preempt_count_sub (./arch/x86/include/asm/preempt.h:27 kernel/sched/core.c:5751)
# 129.10 [+0.01] [  624.382579] [    C0] Code: e0 07 48 c1 ee 03 83 c0 03 0f b6 0c 0e 38 c8 7c 08 84 c9 0f 85 d7 00 00 00 8b 0d 7d 7f e2 04 85 c9 75 19 65 8b 0d 62 66 32 04 <81> e1 ff ff ff 7f 39 ca 7f 16 81 fa fe 00 00 00 76 66 f7 da 65 01
All code
========
   0:	e0 07                	loopne 0x9
   2:	48 c1 ee 03          	shr    $0x3,%rsi
   6:	83 c0 03             	add    $0x3,%eax
   9:	0f b6 0c 0e          	movzbl (%rsi,%rcx,1),%ecx
   d:	38 c8                	cmp    %cl,%al
   f:	7c 08                	jl     0x19
  11:	84 c9                	test   %cl,%cl
  13:	0f 85 d7 00 00 00    	jne    0xf0
  19:	8b 0d 7d 7f e2 04    	mov    0x4e27f7d(%rip),%ecx        # 0x4e27f9c
  1f:	85 c9                	test   %ecx,%ecx
  21:	75 19                	jne    0x3c
  23:	65 8b 0d 62 66 32 04 	mov    %gs:0x4326662(%rip),%ecx        # 0x432668c
  2a:*	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx		<-- trapping instruction
  30:	39 ca                	cmp    %ecx,%edx
  32:	7f 16                	jg     0x4a
  34:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  3a:	76 66                	jbe    0xa2
  3c:	f7 da                	neg    %edx
  3e:	65                   	gs
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx
   6:	39 ca                	cmp    %ecx,%edx
   8:	7f 16                	jg     0x20
   a:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  10:	76 66                	jbe    0x78
  12:	f7 da                	neg    %edx
  14:	65                   	gs
  15:	01                   	.byte 0x1
# 129.12 [+0.02] [  624.382580] [    C0] RSP: 0018:ffa0000000127d48 EFLAGS: 00000246
# 129.13 [+0.01] [  624.382581] [    C0] RAX: 0000000000000003 RBX: ff1100002f626fc0 RCX: 0000000080000001
# 129.14 [+0.01] [  624.382582] [    C0] RDX: 0000000000000001 RSI: 1ffffffff28c6928 RDI: 0000000000000001
# 129.15 [+0.01] [  624.382583] [    C0] RBP: ffffffff8fa93e60 R08: 0000000000000000 R09: 0000000000000001
# 129.16 [+0.01] [  624.382584] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100002f627058
# 129.17 [+0.01] [  624.382584] [    C0] R13: dffffc0000000000 R14: ffe21c0005ec4e0a R15: 0000000000000000
# 129.18 [+0.01] [  624.382586] [    C0]  ? lockup_detector_update_enable (kernel/watchdog.c:744)
# 129.18 [+0.01] [  624.382592] [    C0]  ? preempt_count_add (./include/linux/ftrace.h:1132 (discriminator 1) kernel/sched/core.c:5705 (discriminator 1) kernel/sched/core.c:5702 (discriminator 1) kernel/sched/core.c:5730 (discriminator 1))
# 129.19 [+0.01] [  624.382594] [    C0]  cpu_stopper_thread (kernel/stop_machine.c:519)
# 129.19 [+0.01] [  624.382599] [    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
# 129.20 [+0.01] [  624.382604] [    C0]  ? sort_range (kernel/smpboot.c:103)
# 129.20 [+0.00] [  624.382606] [    C0]  kthread (kernel/kthread.c:463)
# 129.21 [+0.00] [  624.382608] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 129.21 [+0.01] [  624.382610] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 129.22 [+0.01] [  624.382612] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.23 [+0.01] [  624.382614] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 129.23 [+0.01] [  624.382616] [    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
# 129.24 [+0.01] [  624.382620] [    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
# 129.24 [+0.01] [  624.382623] [    C0]  ? __switch_to (./include/linux/thread_info.h:140 (discriminator 2) arch/x86/kernel/process.h:16 (discriminator 2) arch/x86/kernel/process_64.c:676 (discriminator 2))
# 129.25 [+0.01] [  624.382626] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 129.25 [+0.01] [  624.382628] [    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| # 129.26 [+0.00] [  627.260152] [    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
| # 129.27 [+0.01] [  627.260437] [    C0] rcu: 0-....: (22797 ticks this GP) idle=8af4/1/0x4000000000000000 softirq=291430/291430 fqs=6387
| # 129.28 [+0.01] [  627.261134] [    C0] rcu: (t=26000 jiffies g=289669 q=542 ncpus=4)
| # 129.30 [+0.01] [  627.261339] [    C0] Tainted: [L]=SOFTLOCKUP
# 129.31 [+0.00] [  627.261341] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 129.31 [+0.01] [  627.261342] [    C0] Stopper: softlockup_fn+0x0/0xc0 <- watchdog_timer_fn (kernel/watchdog.c:775 (discriminator 1))
# 129.32 [+0.01] [  627.261350] [    C0] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:422 (discriminator 2) arch/x86/kernel/unwind_orc.c:596 (discriminator 2))
# 129.33 [+0.01] [  627.261355] [    C0] Code: e2 ff ff 4c 89 e1 4c 8b 44 24 20 48 89 c2 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 80 3c 01 00 0f 85 19 09 00 00 49 89 55 58 <49> 8d be 98 00 00 00 4c 89 44 24 28 48 89 54 24 20 e8 c7 e1 ff ff
All code
========
   0:	e2 ff                	loop   0x1
   2:	ff 4c 89 e1          	decl   -0x1f(%rcx,%rcx,4)
   6:	4c 8b 44 24 20       	mov    0x20(%rsp),%r8
   b:	48 89 c2             	mov    %rax,%rdx
   e:	48 c1 e9 03          	shr    $0x3,%rcx
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df 
  1c:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  20:	0f 85 19 09 00 00    	jne    0x93f
  26:	49 89 55 58          	mov    %rdx,0x58(%r13)
  2a:*	49 8d be 98 00 00 00 	lea    0x98(%r14),%rdi		<-- trapping instruction
  31:	4c 89 44 24 28       	mov    %r8,0x28(%rsp)
  36:	48 89 54 24 20       	mov    %rdx,0x20(%rsp)
  3b:	e8 c7 e1 ff ff       	call   0xffffffffffffe207

Code starting with the faulting instruction
===========================================
   0:	49 8d be 98 00 00 00 	lea    0x98(%r14),%rdi
   7:	4c 89 44 24 28       	mov    %r8,0x28(%rsp)
   c:	48 89 54 24 20       	mov    %rdx,0x20(%rsp)
  11:	e8 c7 e1 ff ff       	call   0xffffffffffffe1dd
# 129.35 [+0.02] [  627.261357] [    C0] RSP: 0018:ffa0000000007778 EFLAGS: 00000246
# 129.36 [+0.01] [  627.261360] [    C0] RAX: dffffc0000000000 RBX: 1ff4000000000ef8 RCX: 1ff4000000000f1a
# 129.37 [+0.01] [  627.261362] [    C0] RDX: ffffffff8f80c9ce RSI: ffa0000000127c98 RDI: ffa0000000127d18
# 129.37 [+0.01] [  627.261362] [    C0] RBP: 0000000000000001 R08: ffffffff934cb5fa R09: ffffffff9327b0a0
# 129.38 [+0.01] [  627.261363] [    C0] R10: ffffffff934cb5fe R11: 0000000000000001 R12: ffa00000000078d0
# 129.39 [+0.01] [  627.261364] [    C0] R13: ffa0000000007878 R14: ffa0000000127c98 R15: ff11000001b24540
# 129.40 [+0.01] [  627.261367] [    C0] FS:  0000000000000000(0000) GS:ff1100009baed000(0000) knlGS:0000000000000000
# 129.41 [+0.01] [  627.261370] [    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# 129.42 [+0.01] [  627.261371] [    C0] CR2: 000055e25e2d8000 CR3: 0000000035134003 CR4: 0000000000771ef0
# 129.43 [+0.01] [  627.261372] [    C0] PKRU: 55555554
# 129.43 [+0.00] [  627.261372] [    C0] Call Trace:
# 129.44 [+0.00] [  627.261373] [    C0]  <IRQ>
# 129.44 [+0.00] [  627.261376] [    C0]  ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 129.44 [+0.01] [  627.261381] [    C0]  ? kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
# 129.45 [+0.01] [  627.261384] [    C0]  ? stack_access_ok (arch/x86/kernel/unwind_orc.c:469)
# 129.46 [+0.01] [  627.261386] [    C0]  ? call_timer_fn (kernel/time/timer.c:1749)
# 129.46 [+0.01] [  627.261391] [    C0]  ? __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:755)
# 129.47 [+0.01] [  627.261394] [    C0]  ? write_profile (kernel/stacktrace.c:83)
# 129.47 [+0.01] [  627.261397] [    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 3))
# 129.48 [+0.01] [  627.261402] [    C0]  ? preempt_count_sub (./arch/x86/include/asm/preempt.h:27 kernel/sched/core.c:5751)
# 129.48 [+0.01] [  627.261407] [    C0]  stack_trace_save (kernel/stacktrace.c:123)
# 129.49 [+0.01] [  627.261409] [    C0]  ? stack_trace_snprint (kernel/stacktrace.c:114)
# 129.49 [+0.01] [  627.261414] [    C0]  set_track_prepare (mm/slub.c:1047)
# 129.50 [+0.01] [  627.261417] [    C0]  ? kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
# 129.51 [+0.01] [  627.261418] [    C0]  ? __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
# 129.51 [+0.01] [  627.261422] [    C0]  ? __neigh_notify (./include/linux/skbuff.h:1383 ./include/net/netlink.h:1055 net/core/neighbour.c:3544)
# 129.52 [+0.01] [  627.261424] [    C0]  ? neigh_timer_handler (net/core/neighbour.c:2734 net/core/neighbour.c:1192)
# 129.52 [+0.01] [  627.261425] [    C0]  ? call_timer_fn (kernel/time/timer.c:1749)
# 129.53 [+0.01] [  627.261426] [    C0]  ? __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
# 129.53 [+0.01] [  627.261428] [    C0]  ? run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
# 129.54 [+0.01] [  627.261430] [    C0]  ? handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
# 129.54 [+0.01] [  627.261433] [    C0]  ? irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 129.55 [+0.01] [  627.261434] [    C0]  ? common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 129.55 [+0.01] [  627.261438] [    C0]  ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 129.56 [+0.01] [  627.261440] [    C0]  __alloc_object (mm/kmemleak.c:701 (discriminator 1))
# 129.57 [+0.01] [  627.261443] [    C0]  __create_object (mm/kmemleak.c:780)
# 129.57 [+0.01] [  627.261445] [    C0]  ? kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
# 129.58 [+0.01] [  627.261448] [    C0]  kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
# 129.58 [+0.01] [  627.261453] [    C0]  ? __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
# 129.59 [+0.01] [  627.261454] [    C0]  __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
# 129.59 [+0.00] [  627.261456] [    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:672 (discriminator 1))
# 129.60 [+0.01] [  627.261457] [    C0]  ? napi_skb_cache_get (net/core/skbuff.c:650)
# 129.60 [+0.01] [  627.261459] [    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
# 129.61 [+0.01] [  627.261461] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.61 [+0.01] [  627.261464] [    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
# 129.62 [+0.01] [  627.261465] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 129.63 [+0.01] [  627.261469] [    C0]  __neigh_notify (./include/linux/skbuff.h:1383 ./include/net/netlink.h:1055 net/core/neighbour.c:3544)
# 129.63 [+0.01] [  627.261472] [    C0]  neigh_timer_handler (net/core/neighbour.c:2734 net/core/neighbour.c:1192)
# 129.64 [+0.01] [  627.261473] [    C0]  ? call_timer_fn (kernel/time/timer.c:1745 (discriminator 1))
# 129.64 [+0.01] [  627.261475] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 129.65 [+0.01] [  627.261478] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
# 129.65 [+0.01] [  627.261479] [    C0]  call_timer_fn (kernel/time/timer.c:1749)
# 129.66 [+0.01] [  627.261482] [    C0]  ? detach_if_pending (kernel/time/timer.c:1725)
# 129.66 [+0.01] [  627.261484] [    C0]  ? debug_object_active_state (lib/debugobjects.c:862)
# 129.67 [+0.01] [  627.261489] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 129.68 [+0.01] [  627.261491] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.68 [+0.01] [  627.261494] [    C0]  __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
# 129.69 [+0.01] [  627.261497] [    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
# 129.69 [+0.01] [  627.261499] [    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
# 129.70 [+0.01] [  627.261501] [    C0]  ? __bpf_trace_itimer_expire (kernel/time/timer.c:2344)
# 129.70 [+0.01] [  627.261504] [    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
# 129.71 [+0.01] [  627.261509] [    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
# 129.71 [+0.01] [  627.261512] [    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
# 129.72 [+0.01] [  627.261516] [    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
# 129.73 [+0.01] [  627.261518] [    C0]  ? __run_timers (kernel/time/timer.c:2401)
# 129.73 [+0.01] [  627.261521] [    C0]  ? handle_softirqs (kernel/softirq.c:608)
# 129.74 [+0.01] [  627.261523] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.74 [+0.01] [  627.261524] [    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
# 129.75 [+0.01] [  627.261528] [    C0]  ? tasklet_unlock_wait (kernel/softirq.c:580)
# 129.75 [+0.01] [  627.261530] [    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)
# 129.76 [+0.01] [  627.261534] [    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
# 129.76 [+0.00] [  627.261535] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 129.77 [+0.01] [  627.261537] [    C0]  </IRQ>
# 129.77 [+0.00] [  627.261538] [    C0]  <TASK>
# 129.78 [+0.00] [  627.261539] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 129.78 [+0.01] [  627.261541] [    C0] RIP: 0010:preempt_count_sub (./arch/x86/include/asm/preempt.h:27 kernel/sched/core.c:5751)
# 129.79 [+0.01] [  627.261543] [    C0] Code: e0 07 48 c1 ee 03 83 c0 03 0f b6 0c 0e 38 c8 7c 08 84 c9 0f 85 d7 00 00 00 8b 0d 7d 7f e2 04 85 c9 75 19 65 8b 0d 62 66 32 04 <81> e1 ff ff ff 7f 39 ca 7f 16 81 fa fe 00 00 00 76 66 f7 da 65 01
All code
========
   0:	e0 07                	loopne 0x9
   2:	48 c1 ee 03          	shr    $0x3,%rsi
   6:	83 c0 03             	add    $0x3,%eax
   9:	0f b6 0c 0e          	movzbl (%rsi,%rcx,1),%ecx
   d:	38 c8                	cmp    %cl,%al
   f:	7c 08                	jl     0x19
  11:	84 c9                	test   %cl,%cl
  13:	0f 85 d7 00 00 00    	jne    0xf0
  19:	8b 0d 7d 7f e2 04    	mov    0x4e27f7d(%rip),%ecx        # 0x4e27f9c
  1f:	85 c9                	test   %ecx,%ecx
  21:	75 19                	jne    0x3c
  23:	65 8b 0d 62 66 32 04 	mov    %gs:0x4326662(%rip),%ecx        # 0x432668c
  2a:*	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx		<-- trapping instruction
  30:	39 ca                	cmp    %ecx,%edx
  32:	7f 16                	jg     0x4a
  34:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  3a:	76 66                	jbe    0xa2
  3c:	f7 da                	neg    %edx
  3e:	65                   	gs
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx
   6:	39 ca                	cmp    %ecx,%edx
   8:	7f 16                	jg     0x20
   a:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  10:	76 66                	jbe    0x78
  12:	f7 da                	neg    %edx
  14:	65                   	gs
  15:	01                   	.byte 0x1
# 129.81 [+0.02] [  627.261544] [    C0] RSP: 0018:ffa0000000127d48 EFLAGS: 00000246
# 129.81 [+0.01] [  627.261545] [    C0] RAX: 0000000000000003 RBX: ff1100002f626fc0 RCX: 0000000080000001
# 129.82 [+0.01] [  627.261546] [    C0] RDX: 0000000000000001 RSI: 1ffffffff28c6928 RDI: 0000000000000001
# 129.83 [+0.01] [  627.261546] [    C0] RBP: ffffffff8fa93e60 R08: 0000000000000000 R09: 0000000000000001
# 129.84 [+0.01] [  627.261547] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100002f627058
# 129.85 [+0.01] [  627.261547] [    C0] R13: dffffc0000000000 R14: ffe21c0005ec4e0a R15: 0000000000000000
# 129.86 [+0.01] [  627.261549] [    C0]  ? lockup_detector_update_enable (kernel/watchdog.c:744)
# 129.87 [+0.01] [  627.261555] [    C0]  ? preempt_count_add (./include/linux/ftrace.h:1132 (discriminator 1) kernel/sched/core.c:5705 (discriminator 1) kernel/sched/core.c:5702 (discriminator 1) kernel/sched/core.c:5730 (discriminator 1))
# 129.87 [+0.01] [  627.261557] [    C0]  cpu_stopper_thread (kernel/stop_machine.c:519)
# 129.88 [+0.01] [  627.261562] [    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
# 129.88 [+0.01] [  627.261567] [    C0]  ? sort_range (kernel/smpboot.c:103)
# 129.89 [+0.00] [  627.261569] [    C0]  kthread (kernel/kthread.c:463)
# 129.89 [+0.00] [  627.261571] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 129.90 [+0.01] [  627.261573] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 129.90 [+0.01] [  627.261575] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 129.91 [+0.01] [  627.261577] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 129.91 [+0.01] [  627.261579] [    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
# 129.92 [+0.01] [  627.261582] [    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
# 129.93 [+0.01] [  627.261585] [    C0]  ? __switch_to (./include/linux/thread_info.h:140 (discriminator 2) arch/x86/kernel/process.h:16 (discriminator 2) arch/x86/kernel/process_64.c:676 (discriminator 2))
# 129.93 [+0.01] [  627.261589] [    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
# 129.94 [+0.01] [  627.261591] [    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| [  624.382401][    C0] hardirqs last  enabled at (1162660): irqentry_exit (kernel/entry/common.c:220)
| [  624.382410][    C0] hardirqs last disabled at (1162661): sysvec_apic_timer_interrupt (./arch/x86/include/asm/hardirq.h:78 arch/x86/kernel/apic/apic.c:1056)
| [  624.382412][    C0] softirqs last  enabled at (984904): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
| [  624.382416][    C0] softirqs last disabled at (984907): irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[  624.382426][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  624.382428][    C0] Stopper: softlockup_fn+0x0/0xc0 <- watchdog_timer_fn (kernel/watchdog.c:775 (discriminator 1))
[  624.382433][    C0] RIP: 0010:kmem_cache_alloc_noprof (mm/slub.c:5264)
[  624.382438][    C0] Code: fd ff ff 48 89 d6 48 c7 c7 e0 a9 b5 92 48 89 14 24 e8 f0 a0 7d 00 48 8b 14 24 e9 e5 fb ff ff 0f 1f 80 00 00 00 00 f3 0f 1e fa <0f> 1f 44 00 00 4c 8d 54 24 08 48 83 e4 f0 41 ff 72 f8 55 48 89 e5
All code
========
   0:	fd                   	std
   1:	ff                   	(bad)
   2:	ff 48 89             	decl   -0x77(%rax)
   5:	d6                   	(bad)
   6:	48 c7 c7 e0 a9 b5 92 	mov    $0xffffffff92b5a9e0,%rdi
   d:	48 89 14 24          	mov    %rdx,(%rsp)
  11:	e8 f0 a0 7d 00       	call   0x7da106
  16:	48 8b 14 24          	mov    (%rsp),%rdx
  1a:	e9 e5 fb ff ff       	jmp    0xfffffffffffffc04
  1f:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  26:	f3 0f 1e fa          	endbr64
  2a:*	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)		<-- trapping instruction
  2f:	4c 8d 54 24 08       	lea    0x8(%rsp),%r10
  34:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
  38:	41 ff 72 f8          	push   -0x8(%r10)
  3c:	55                   	push   %rbp
  3d:	48 89 e5             	mov    %rsp,%rbp

Code starting with the faulting instruction
===========================================
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	4c 8d 54 24 08       	lea    0x8(%rsp),%r10
   a:	48 83 e4 f0          	and    $0xfffffffffffffff0,%rsp
   e:	41 ff 72 f8          	push   -0x8(%r10)
  12:	55                   	push   %rbp
  13:	48 89 e5             	mov    %rsp,%rbp
[  624.382440][    C0] RSP: 0018:ffa0000000007a48 EFLAGS: 00000202
[  624.382442][    C0] RAX: ff11000001042900 RBX: 0000000000000000 RCX: 0000000000000820
[  624.382443][    C0] RDX: 0000000000000001 RSI: 0000000000092820 RDI: ff11000001042900
[  624.382444][    C0] RBP: 00000000000000e0 R08: 0000000000000000 R09: 0000000000000001
[  624.382445][    C0] R10: 00000000000000e0 R11: 0000000000000001 R12: ff11000013ee1c40
[  624.382446][    C0] R13: 0000000000000820 R14: 0000000000000000 R15: 0000000000000001
[  624.382449][    C0] FS:  0000000000000000(0000) GS:ff1100009baed000(0000) knlGS:0000000000000000
[  624.382452][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  624.382453][    C0] CR2: 000055e25e2d8000 CR3: 0000000035134003 CR4: 0000000000771ef0
[  624.382454][    C0] PKRU: 55555554
[  624.382455][    C0] Call Trace:
[  624.382457][    C0]  <IRQ>
[  624.382458][    C0]  __alloc_object (mm/kmemleak.c:483 (discriminator 1) mm/kmemleak.c:665 (discriminator 1))
[  624.382467][    C0]  __create_object (mm/kmemleak.c:780)
[  624.382469][    C0]  ? kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
[  624.382473][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
[  624.382477][    C0]  ? __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
[  624.382481][    C0]  __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
[  624.382483][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:672 (discriminator 1))
[  624.382485][    C0]  ? napi_skb_cache_get (net/core/skbuff.c:650)
[  624.382487][    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
[  624.382490][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  624.382492][    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
[  624.382494][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  624.382498][    C0]  __neigh_notify (./include/linux/skbuff.h:1383 ./include/net/netlink.h:1055 net/core/neighbour.c:3544)
[  624.382501][    C0]  neigh_timer_handler (net/core/neighbour.c:2734 net/core/neighbour.c:1192)
[  624.382503][    C0]  ? call_timer_fn (kernel/time/timer.c:1745 (discriminator 1))
[  624.382505][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  624.382508][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
[  624.382510][    C0]  call_timer_fn (kernel/time/timer.c:1749)
[  624.382513][    C0]  ? detach_if_pending (kernel/time/timer.c:1725)
[  624.382515][    C0]  ? debug_object_active_state (lib/debugobjects.c:862)
[  624.382520][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  624.382523][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  624.382525][    C0]  __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
[  624.382528][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
[  624.382531][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  624.382533][    C0]  ? __bpf_trace_itimer_expire (kernel/time/timer.c:2344)
[  624.382536][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  624.382541][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[  624.382544][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  624.382548][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
[  624.382550][    C0]  ? __run_timers (kernel/time/timer.c:2401)
[  624.382553][    C0]  ? handle_softirqs (kernel/softirq.c:608)
[  624.382555][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  624.382556][    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[  624.382561][    C0]  ? tasklet_unlock_wait (kernel/softirq.c:580)
[  624.382563][    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)
[  624.382566][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[  624.382568][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  624.382570][    C0]  </IRQ>
[  624.382571][    C0]  <TASK>
[  624.382572][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  624.382575][    C0] RIP: 0010:preempt_count_sub (./arch/x86/include/asm/preempt.h:27 kernel/sched/core.c:5751)
[  624.382579][    C0] Code: e0 07 48 c1 ee 03 83 c0 03 0f b6 0c 0e 38 c8 7c 08 84 c9 0f 85 d7 00 00 00 8b 0d 7d 7f e2 04 85 c9 75 19 65 8b 0d 62 66 32 04 <81> e1 ff ff ff 7f 39 ca 7f 16 81 fa fe 00 00 00 76 66 f7 da 65 01
All code
========
   0:	e0 07                	loopne 0x9
   2:	48 c1 ee 03          	shr    $0x3,%rsi
   6:	83 c0 03             	add    $0x3,%eax
   9:	0f b6 0c 0e          	movzbl (%rsi,%rcx,1),%ecx
   d:	38 c8                	cmp    %cl,%al
   f:	7c 08                	jl     0x19
  11:	84 c9                	test   %cl,%cl
  13:	0f 85 d7 00 00 00    	jne    0xf0
  19:	8b 0d 7d 7f e2 04    	mov    0x4e27f7d(%rip),%ecx        # 0x4e27f9c
  1f:	85 c9                	test   %ecx,%ecx
  21:	75 19                	jne    0x3c
  23:	65 8b 0d 62 66 32 04 	mov    %gs:0x4326662(%rip),%ecx        # 0x432668c
  2a:*	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx		<-- trapping instruction
  30:	39 ca                	cmp    %ecx,%edx
  32:	7f 16                	jg     0x4a
  34:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  3a:	76 66                	jbe    0xa2
  3c:	f7 da                	neg    %edx
  3e:	65                   	gs
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx
   6:	39 ca                	cmp    %ecx,%edx
   8:	7f 16                	jg     0x20
   a:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  10:	76 66                	jbe    0x78
  12:	f7 da                	neg    %edx
  14:	65                   	gs
  15:	01                   	.byte 0x1
[  624.382580][    C0] RSP: 0018:ffa0000000127d48 EFLAGS: 00000246
[  624.382581][    C0] RAX: 0000000000000003 RBX: ff1100002f626fc0 RCX: 0000000080000001
[  624.382582][    C0] RDX: 0000000000000001 RSI: 1ffffffff28c6928 RDI: 0000000000000001
[  624.382583][    C0] RBP: ffffffff8fa93e60 R08: 0000000000000000 R09: 0000000000000001
[  624.382584][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100002f627058
[  624.382584][    C0] R13: dffffc0000000000 R14: ffe21c0005ec4e0a R15: 0000000000000000
[  624.382586][    C0]  ? lockup_detector_update_enable (kernel/watchdog.c:744)
[  624.382592][    C0]  ? preempt_count_add (./include/linux/ftrace.h:1132 (discriminator 1) kernel/sched/core.c:5705 (discriminator 1) kernel/sched/core.c:5702 (discriminator 1) kernel/sched/core.c:5730 (discriminator 1))
[  624.382594][    C0]  cpu_stopper_thread (kernel/stop_machine.c:519)
[  624.382599][    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
[  624.382604][    C0]  ? sort_range (kernel/smpboot.c:103)
[  624.382606][    C0]  kthread (kernel/kthread.c:463)
[  624.382608][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  624.382610][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  624.382612][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  624.382614][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  624.382616][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[  624.382620][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  624.382623][    C0]  ? __switch_to (./include/linux/thread_info.h:140 (discriminator 2) arch/x86/kernel/process.h:16 (discriminator 2) arch/x86/kernel/process_64.c:676 (discriminator 2))
[  624.382626][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  624.382628][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:256)
| [  627.260152][    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  627.260437][    C0] rcu: 0-....: (22797 ticks this GP) idle=8af4/1/0x4000000000000000 softirq=291430/291430 fqs=6387
| [  627.261134][    C0] rcu: (t=26000 jiffies g=289669 q=542 ncpus=4)
| [  627.261339][    C0] Tainted: [L]=SOFTLOCKUP
[  627.261341][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  627.261342][    C0] Stopper: softlockup_fn+0x0/0xc0 <- watchdog_timer_fn (kernel/watchdog.c:775 (discriminator 1))
[  627.261350][    C0] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:422 (discriminator 2) arch/x86/kernel/unwind_orc.c:596 (discriminator 2))
[  627.261355][    C0] Code: e2 ff ff 4c 89 e1 4c 8b 44 24 20 48 89 c2 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 80 3c 01 00 0f 85 19 09 00 00 49 89 55 58 <49> 8d be 98 00 00 00 4c 89 44 24 28 48 89 54 24 20 e8 c7 e1 ff ff
All code
========
   0:	e2 ff                	loop   0x1
   2:	ff 4c 89 e1          	decl   -0x1f(%rcx,%rcx,4)
   6:	4c 8b 44 24 20       	mov    0x20(%rsp),%r8
   b:	48 89 c2             	mov    %rax,%rdx
   e:	48 c1 e9 03          	shr    $0x3,%rcx
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df 
  1c:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  20:	0f 85 19 09 00 00    	jne    0x93f
  26:	49 89 55 58          	mov    %rdx,0x58(%r13)
  2a:*	49 8d be 98 00 00 00 	lea    0x98(%r14),%rdi		<-- trapping instruction
  31:	4c 89 44 24 28       	mov    %r8,0x28(%rsp)
  36:	48 89 54 24 20       	mov    %rdx,0x20(%rsp)
  3b:	e8 c7 e1 ff ff       	call   0xffffffffffffe207

Code starting with the faulting instruction
===========================================
   0:	49 8d be 98 00 00 00 	lea    0x98(%r14),%rdi
   7:	4c 89 44 24 28       	mov    %r8,0x28(%rsp)
   c:	48 89 54 24 20       	mov    %rdx,0x20(%rsp)
  11:	e8 c7 e1 ff ff       	call   0xffffffffffffe1dd
[  627.261357][    C0] RSP: 0018:ffa0000000007778 EFLAGS: 00000246
[  627.261360][    C0] RAX: dffffc0000000000 RBX: 1ff4000000000ef8 RCX: 1ff4000000000f1a
[  627.261362][    C0] RDX: ffffffff8f80c9ce RSI: ffa0000000127c98 RDI: ffa0000000127d18
[  627.261362][    C0] RBP: 0000000000000001 R08: ffffffff934cb5fa R09: ffffffff9327b0a0
[  627.261363][    C0] R10: ffffffff934cb5fe R11: 0000000000000001 R12: ffa00000000078d0
[  627.261364][    C0] R13: ffa0000000007878 R14: ffa0000000127c98 R15: ff11000001b24540
[  627.261367][    C0] FS:  0000000000000000(0000) GS:ff1100009baed000(0000) knlGS:0000000000000000
[  627.261370][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  627.261371][    C0] CR2: 000055e25e2d8000 CR3: 0000000035134003 CR4: 0000000000771ef0
[  627.261372][    C0] PKRU: 55555554
[  627.261372][    C0] Call Trace:
[  627.261373][    C0]  <IRQ>
[  627.261376][    C0]  ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  627.261381][    C0]  ? kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
[  627.261384][    C0]  ? stack_access_ok (arch/x86/kernel/unwind_orc.c:469)
[  627.261386][    C0]  ? call_timer_fn (kernel/time/timer.c:1749)
[  627.261391][    C0]  ? __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:755)
[  627.261394][    C0]  ? write_profile (kernel/stacktrace.c:83)
[  627.261397][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:24 (discriminator 3))
[  627.261402][    C0]  ? preempt_count_sub (./arch/x86/include/asm/preempt.h:27 kernel/sched/core.c:5751)
[  627.261407][    C0]  stack_trace_save (kernel/stacktrace.c:123)
[  627.261409][    C0]  ? stack_trace_snprint (kernel/stacktrace.c:114)
[  627.261414][    C0]  set_track_prepare (mm/slub.c:1047)
[  627.261417][    C0]  ? kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
[  627.261418][    C0]  ? __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
[  627.261422][    C0]  ? __neigh_notify (./include/linux/skbuff.h:1383 ./include/net/netlink.h:1055 net/core/neighbour.c:3544)
[  627.261424][    C0]  ? neigh_timer_handler (net/core/neighbour.c:2734 net/core/neighbour.c:1192)
[  627.261425][    C0]  ? call_timer_fn (kernel/time/timer.c:1749)
[  627.261426][    C0]  ? __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
[  627.261428][    C0]  ? run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
[  627.261430][    C0]  ? handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[  627.261433][    C0]  ? irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[  627.261434][    C0]  ? common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  627.261438][    C0]  ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  627.261440][    C0]  __alloc_object (mm/kmemleak.c:701 (discriminator 1))
[  627.261443][    C0]  __create_object (mm/kmemleak.c:780)
[  627.261445][    C0]  ? kasan_save_track (mm/kasan/common.c:69 (discriminator 1) mm/kasan/common.c:78 (discriminator 1))
[  627.261448][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4953 mm/slub.c:5258 mm/slub.c:5310)
[  627.261453][    C0]  ? __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
[  627.261454][    C0]  __alloc_skb (net/core/skbuff.c:679 (discriminator 4))
[  627.261456][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 1) net/core/skbuff.c:672 (discriminator 1))
[  627.261457][    C0]  ? napi_skb_cache_get (net/core/skbuff.c:650)
[  627.261459][    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
[  627.261461][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  627.261464][    C0]  ? __neigh_notify (./include/linux/rcupdate.h:331 (discriminator 1) ./include/linux/rcupdate.h:867 (discriminator 1) net/core/neighbour.c:3542 (discriminator 1))
[  627.261465][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  627.261469][    C0]  __neigh_notify (./include/linux/skbuff.h:1383 ./include/net/netlink.h:1055 net/core/neighbour.c:3544)
[  627.261472][    C0]  neigh_timer_handler (net/core/neighbour.c:2734 net/core/neighbour.c:1192)
[  627.261473][    C0]  ? call_timer_fn (kernel/time/timer.c:1745 (discriminator 1))
[  627.261475][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  627.261478][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
[  627.261479][    C0]  call_timer_fn (kernel/time/timer.c:1749)
[  627.261482][    C0]  ? detach_if_pending (kernel/time/timer.c:1725)
[  627.261484][    C0]  ? debug_object_active_state (lib/debugobjects.c:862)
[  627.261489][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  627.261491][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  627.261494][    C0]  __run_timers (kernel/time/timer.c:1800 kernel/time/timer.c:2373)
[  627.261497][    C0]  ? neigh_periodic_work (net/core/neighbour.c:1105)
[  627.261499][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[  627.261501][    C0]  ? __bpf_trace_itimer_expire (kernel/time/timer.c:2344)
[  627.261504][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[  627.261509][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[  627.261512][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[  627.261516][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2394 kernel/time/timer.c:2402)
[  627.261518][    C0]  ? __run_timers (kernel/time/timer.c:2401)
[  627.261521][    C0]  ? handle_softirqs (kernel/softirq.c:608)
[  627.261523][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  627.261524][    C0]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[  627.261528][    C0]  ? tasklet_unlock_wait (kernel/softirq.c:580)
[  627.261530][    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)
[  627.261534][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[  627.261535][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  627.261537][    C0]  </IRQ>
[  627.261538][    C0]  <TASK>
[  627.261539][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  627.261541][    C0] RIP: 0010:preempt_count_sub (./arch/x86/include/asm/preempt.h:27 kernel/sched/core.c:5751)
[  627.261543][    C0] Code: e0 07 48 c1 ee 03 83 c0 03 0f b6 0c 0e 38 c8 7c 08 84 c9 0f 85 d7 00 00 00 8b 0d 7d 7f e2 04 85 c9 75 19 65 8b 0d 62 66 32 04 <81> e1 ff ff ff 7f 39 ca 7f 16 81 fa fe 00 00 00 76 66 f7 da 65 01
All code
========
   0:	e0 07                	loopne 0x9
   2:	48 c1 ee 03          	shr    $0x3,%rsi
   6:	83 c0 03             	add    $0x3,%eax
   9:	0f b6 0c 0e          	movzbl (%rsi,%rcx,1),%ecx
   d:	38 c8                	cmp    %cl,%al
   f:	7c 08                	jl     0x19
  11:	84 c9                	test   %cl,%cl
  13:	0f 85 d7 00 00 00    	jne    0xf0
  19:	8b 0d 7d 7f e2 04    	mov    0x4e27f7d(%rip),%ecx        # 0x4e27f9c
  1f:	85 c9                	test   %ecx,%ecx
  21:	75 19                	jne    0x3c
  23:	65 8b 0d 62 66 32 04 	mov    %gs:0x4326662(%rip),%ecx        # 0x432668c
  2a:*	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx		<-- trapping instruction
  30:	39 ca                	cmp    %ecx,%edx
  32:	7f 16                	jg     0x4a
  34:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  3a:	76 66                	jbe    0xa2
  3c:	f7 da                	neg    %edx
  3e:	65                   	gs
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	81 e1 ff ff ff 7f    	and    $0x7fffffff,%ecx
   6:	39 ca                	cmp    %ecx,%edx
   8:	7f 16                	jg     0x20
   a:	81 fa fe 00 00 00    	cmp    $0xfe,%edx
  10:	76 66                	jbe    0x78
  12:	f7 da                	neg    %edx
  14:	65                   	gs
  15:	01                   	.byte 0x1
[  627.261544][    C0] RSP: 0018:ffa0000000127d48 EFLAGS: 00000246
[  627.261545][    C0] RAX: 0000000000000003 RBX: ff1100002f626fc0 RCX: 0000000080000001
[  627.261546][    C0] RDX: 0000000000000001 RSI: 1ffffffff28c6928 RDI: 0000000000000001
[  627.261546][    C0] RBP: ffffffff8fa93e60 R08: 0000000000000000 R09: 0000000000000001
[  627.261547][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100002f627058
[  627.261547][    C0] R13: dffffc0000000000 R14: ffe21c0005ec4e0a R15: 0000000000000000
[  627.261549][    C0]  ? lockup_detector_update_enable (kernel/watchdog.c:744)
[  627.261555][    C0]  ? preempt_count_add (./include/linux/ftrace.h:1132 (discriminator 1) kernel/sched/core.c:5705 (discriminator 1) kernel/sched/core.c:5702 (discriminator 1) kernel/sched/core.c:5730 (discriminator 1))
[  627.261557][    C0]  cpu_stopper_thread (kernel/stop_machine.c:519)
[  627.261562][    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
[  627.261567][    C0]  ? sort_range (kernel/smpboot.c:103)
[  627.261569][    C0]  kthread (kernel/kthread.c:463)
[  627.261571][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  627.261573][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  627.261575][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  627.261577][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[  627.261579][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[  627.261582][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  627.261585][    C0]  ? __switch_to (./include/linux/thread_info.h:140 (discriminator 2) arch/x86/kernel/process.h:16 (discriminator 2) arch/x86/kernel/process_64.c:676 (discriminator 2))
[  627.261589][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)


Finger prints:
unwind_next_frame:arch_stack_walk:stack_trace_save:set_track_prepare:__alloc_object
irqentry_exit:sysvec_apic_timer_interrupt:handle_softirqs:irq_exit_rcu:kmem_cache_alloc_noprof