======================================
| [ 36.035044][ C1] #0: ffffffff9e142e30 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce (./include/linux/srcu.h:164 ./include/linux/srcu.h:256 mm/kasan/quarantine.c:259) 
| [ 36.035531][ C1] #1: ffffc900001e0d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
| [   36.035903][    C1]
| [   36.035903][    C1] stack backtrace:
[   36.036165][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.036167][    C1] Call Trace:
[   36.036169][    C1]  <IRQ>
[ 36.036171][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 36.036178][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 36.036188][ C1] __icmp_send (./include/net/net_namespace.h:404 ./include/linux/netdevice.h:2669 net/ipv4/icmp.c:616) 
[ 36.036202][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 36.036207][ C1] ? __pfx___icmp_send (net/ipv4/icmp.c:596) 
[ 36.036210][ C1] ? check_prev_add (kernel/locking/lockdep.c:3224) 
[ 36.036225][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.036229][ C1] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 36.036241][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 36.036245][ C1] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) 
[ 36.036248][ C1] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 36.036258][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 36.036267][ C1] ipv4_send_dest_unreach (net/ipv4/route.c:1241) 
[ 36.036272][ C1] ? neigh_invalidate (net/core/neighbour.c:1008) 
[ 36.036277][ C1] ? __pfx_ipv4_send_dest_unreach (net/ipv4/route.c:1215) 
[ 36.036290][ C1] ipv4_link_failure (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/route.c:1250) 
[ 36.036295][ C1] arp_error_report (./include/net/dst.h:429 net/ipv4/arp.c:296) 
[ 36.036303][ C1] neigh_invalidate (net/core/neighbour.c:1008) 
[ 36.036312][ C1] neigh_timer_handler (net/core/neighbour.c:1109 (discriminator 2)) 
[ 36.036321][ C1] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 36.036325][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 36.036327][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 36.036330][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 36.036334][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 36.036337][ C1] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) 
[ 36.036345][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4323) 
[ 36.036356][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 36.036360][ C1] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 36.036370][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 36.036373][ C1] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 36.036382][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 36.036387][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.036392][ C1] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 36.036394][ C1] ? run_timer_softirq (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 36.036404][ C1] run_timer_softirq (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 36.036409][ C1] handle_softirqs (kernel/softirq.c:561) 
[ 36.036427][ C1] __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
[ 36.036433][ C1] irq_exit_rcu (kernel/softirq.c:680) 
[ 36.036437][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   36.036442][    C1]  </IRQ>
[   36.036443][    C1]  <TASK>
[ 36.036446][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.036450][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.036455][ C1] Code: 10 e8 81 74 88 fd 48 89 ef e8 c9 e4 88 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 75 7d 10 63 <74> 0e 5b 5d c3 cc cc cc cc e8 8f 03 ae fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	81 74 88 fd 48 89 ef 	xorl   $0xe8ef8948,-0x3(%rax,%rcx,4)
   9:	e8 
   a:	c9                   	leave
   b:	e4 88                	in     $0x88,%al
   d:	fd                   	std
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d 75 7d 10 63 	decl   %gs:0x63107d75(%rip)        # 0x63107d9f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 8f 03 ae fd       	call   0xfffffffffdae03c7
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 8f 03 ae fd       	call   0xfffffffffdae039d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[   36.036458][    C1] RSP: 0000:ffffc90000b77608 EFLAGS: 00000286
[   36.036462][    C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff40064c3
[   36.036464][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9cf34761
[   36.036466][    C1] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff40043e5
[   36.036468][    C1] R10: ffffffffa0021f2f R11: ffff888009482300 R12: ffff88800d48a140
[   36.036470][    C1] R13: 0000000000000000 R14: ffffc90000b77658 R15: ffff88800d48afe0
[ 36.036481][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 36.036490][ C1] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 36.036498][ C1] kasan_quarantine_reduce (./include/linux/srcu.h:357 mm/kasan/quarantine.c:287) 
[ 36.036504][ C1] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 36.036511][ C1] kmem_cache_alloc_node_noprof (mm/slub.c:4116 mm/slub.c:4164 mm/slub.c:4216) 
[ 36.036516][ C1] ? __create_object (mm/kmemleak.c:766) 
[ 36.036528][ C1] kmalloc_reserve (net/core/skbuff.c:590 (discriminator 2)) 
[ 36.036537][ C1] __alloc_skb (net/core/skbuff.c:678) 
[ 36.036542][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:651) 
[ 36.036550][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 36.036560][ C1] alloc_skb_with_frags (./include/linux/skbuff.h:1331 net/core/skbuff.c:6612) 
[ 36.036566][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 36.036576][ C1] sock_alloc_send_pskb (net/core/sock.c:2899) 
[ 36.036580][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 36.036585][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 36.036595][ C1] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870) 
[ 36.036601][ C1] ? rt_is_expired (net/ipv4/route.c:400) 
[ 36.036605][ C1] ? __mkroute_output (./arch/x86/include/asm/atomic.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2401 ./include/linux/atomic/atomic-instrumented.h:1476 ./include/linux/rcuref.h:67 ./include/net/dst.h:302 net/ipv4/route.c:2626) 
[ 36.036610][ C1] ? ip_route_output_key_hash (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv4/route.c:2683) 
[ 36.036619][ C1] raw_send_hdrinc (./include/net/sock.h:1804 net/ipv4/raw.c:353) 
[ 36.036632][ C1] ? __pfx_raw_send_hdrinc (net/ipv4/raw.c:330) 
[ 36.036645][ C1] raw_sendmsg (net/ipv4/raw.c:644) 
[ 36.036650][ C1] ? mark_lock_irq (kernel/locking/lockdep.c:2673 kernel/locking/lockdep.c:4153 kernel/locking/lockdep.c:4292) 
[ 36.036660][ C1] ? __pfx_raw_sendmsg (net/ipv4/raw.c:483) 
[ 36.036664][ C1] ? synchronize_rcu_tasks_trace (./include/linux/lockdep.h:249 kernel/rcu/tasks.h:2040) 
[ 36.036683][ C1] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 36.036686][ C1] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) 
[ 36.036692][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 36.036696][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 36.036698][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 36.036705][ C1] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 36.036707][ C1] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) 
[ 36.036713][ C1] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) 
[ 36.036724][ C1] __sys_sendto (net/socket.c:713 net/socket.c:728 net/socket.c:2182) 
[ 36.036731][ C1] ? __pfx___sys_sendto (net/socket.c:2149) 
[ 36.036734][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 36.036737][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 36.036749][ C1] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 36.036756][ C1] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 36.036762][ C1] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 36.036769][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 36.036781][ C1] __x64_sys_sendto (net/socket.c:2185) 
[ 36.036785][ C1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 36.036790][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.036796][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.036799][    C1] RIP: 0033:0x7feb4ad21a4a
[ 36.036804][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   36.036806][    C1] RSP: 002b:00007ffc4781a308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   36.036809][    C1] RAX: ffffffffffffffda RBX: 000000002caf59d0 RCX: 00007feb4ad21a4a
[   36.036811][    C1] RDX: 000000000000005c RSI: 000000002caf55c0 RDI: 0000000000000005
[   36.036813][    C1] RBP: 000000002caf59d0 R08: 00007ffc4781a310 R09: 0000000000000010
[   36.036814][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000005c
[   36.036816][    C1] R13: 0000000000000032 R14: 0000000000000000 R15: 0000000000000000
| [   89.474923][    C3] 1 lock held by swapper/3/0:
| [ 89.475218][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
| [   89.475721][    C3]
| [   89.475721][    C3] stack backtrace:
[   89.476059][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.476063][    C3] Call Trace:
[   89.476065][    C3]  <IRQ>
[ 89.476070][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 89.476083][ C3] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 89.476100][ C3] icmp6_send (./include/net/net_namespace.h:404 ./include/linux/netdevice.h:2669 net/ipv6/icmp.c:476) 
[ 89.476112][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.476120][ C3] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 89.476144][ C3] ? __pfx_icmp6_send (net/ipv6/icmp.c:452) 
[ 89.476160][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 89.476168][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) 
[ 89.476173][ C3] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 89.476193][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 89.476203][ C3] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 89.476215][ C3] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 89.476219][ C3] ? neigh_invalidate (net/core/neighbour.c:1008) 
[ 89.476228][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 89.476234][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) 
[ 89.476255][ C3] ip6_link_failure (./include/linux/skbuff.h:1152 net/ipv6/route.c:2801) 
[ 89.476270][ C3] ndisc_error_report (./include/net/dst.h:429 net/ipv6/ndisc.c:731) 
[ 89.476283][ C3] neigh_invalidate (net/core/neighbour.c:1008) 
[ 89.476300][ C3] neigh_timer_handler (net/core/neighbour.c:1109 (discriminator 2)) 
[ 89.476318][ C3] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 89.476325][ C3] call_timer_fn (kernel/time/timer.c:1789) 
[ 89.476331][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 89.476334][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 89.476341][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 89.476345][ C3] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 89.476379][ C3] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 89.476384][ C3] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 89.476404][ C3] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 89.476409][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 89.476426][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 89.476436][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 89.476443][ C3] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 89.476448][ C3] ? run_timer_softirq (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 89.476465][ C3] run_timer_softirq (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 89.476474][ C3] handle_softirqs (kernel/softirq.c:561) 
[ 89.476498][ C3] __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
[ 89.476504][ C3] irq_exit_rcu (kernel/softirq.c:680) 
[ 89.476509][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   89.476518][    C3]  </IRQ>
[   89.476520][    C3]  <TASK>
[ 89.476525][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 89.476533][ C3] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:744) 
[ 89.476540][ C3] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 cc 14 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
   0:	4c 01 c7             	add    %r8,%rdi
   3:	4c 29 c2             	sub    %r8,%rdx
   6:	e9 72 ff ff ff       	jmp    0xffffffffffffff7d
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 23 cc 14 00 	verw   0x14cc23(%rip)        # 0x14cc4b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	fa                   	cli		<-- trapping instruction
  2b:	c3                   	ret
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  37:	00 00 00 00 
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	fa                   	cli
   1:	c3                   	ret
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 00 
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   89.476545][    C3] RSP: 0018:ffffc90000177df8 EFLAGS: 00000242
[   89.476550][    C3] RAX: 0000000000100451 RBX: 1ffff9200002efc1 RCX: ffffffff9cf14b15
[   89.476554][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9a769634
[   89.476556][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3703a
[   89.476560][    C3] R10: ffff8880361b81d3 R11: ffff888001b3a300 R12: 0000000000000000
[   89.476563][    C3] R13: ffff888001b3a300 R14: dffffc0000000000 R15: 0000000000000000
[ 89.476581][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) 
[ 89.476589][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 89.476604][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 89.476609][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 89.476617][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 89.476630][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 89.476647][ C3] do_idle (kernel/sched/idle.c:325) 
[ 89.476659][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 89.476667][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 89.476674][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


Finger prints:
lockdep_rcu_suspicious:__icmp_send:ipv4_send_dest_unreach:ipv4_link_failure:arp_error_report
lockdep_rcu_suspicious:icmp6_send:ip6_link_failure:ndisc_error_report:neigh_invalidate