======================================
| [  119.512651][    C3] 1 lock held by swapper/3/0:
| [ 119.512920][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
| [  119.513478][    C3]
| [  119.513478][    C3] stack backtrace:
[  119.513837][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.513841][    C3] Call Trace:
[  119.513844][    C3]  <IRQ>
[ 119.513849][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 119.513862][ C3] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 119.513880][ C3] __icmp_send (./include/net/net_namespace.h:404 ./include/linux/netdevice.h:2669 net/ipv4/icmp.c:616) 
[ 119.513902][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 119.513910][ C3] ? __pfx___icmp_send (net/ipv4/icmp.c:596) 
[ 119.513924][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 119.513932][ C3] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 119.513948][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 119.513953][ C3] ? validate_chain (kernel/locking/lockdep.c:3799 kernel/locking/lockdep.c:3819 kernel/locking/lockdep.c:3874) 
[ 119.513975][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 119.513982][ 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) 
[ 119.513987][ C3] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 119.514004][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 119.514021][ C3] ipv4_send_dest_unreach (net/ipv4/route.c:1241) 
[ 119.514032][ C3] ? neigh_invalidate (net/core/neighbour.c:1008) 
[ 119.514039][ C3] ? __pfx_ipv4_send_dest_unreach (net/ipv4/route.c:1215) 
[ 119.514063][ C3] ipv4_link_failure (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/route.c:1250) 
[ 119.514073][ C3] arp_error_report (./include/net/dst.h:429 net/ipv4/arp.c:296) 
[ 119.514086][ C3] neigh_invalidate (net/core/neighbour.c:1008) 
[ 119.514104][ C3] neigh_timer_handler (net/core/neighbour.c:1109 (discriminator 2)) 
[ 119.514122][ C3] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 119.514128][ C3] call_timer_fn (kernel/time/timer.c:1789) 
[ 119.514133][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 119.514137][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 119.514144][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 119.514149][ C3] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 119.514182][ C3] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 119.514188][ C3] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 119.514207][ C3] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 119.514212][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 119.514229][ 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) 
[ 119.514240][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 119.514248][ C3] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 119.514252][ C3] ? run_timer_softirq (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 119.514270][ C3] run_timer_softirq (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435 kernel/time/timer.c:2445) 
[ 119.514279][ C3] handle_softirqs (kernel/softirq.c:561) 
[ 119.514303][ C3] __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
[ 119.514309][ C3] irq_exit_rcu (kernel/softirq.c:680) 
[ 119.514314][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  119.514323][    C3]  </IRQ>
[  119.514325][    C3]  <TASK>
[ 119.514329][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 119.514338][ 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) 
[ 119.514346][ 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
[  119.514351][    C3] RSP: 0018:ffffc90000177df8 EFLAGS: 00000246
[  119.514357][    C3] RAX: 00000000002082f9 RBX: 1ffff9200002efc1 RCX: ffffffffb0314b15
[  119.514360][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffadb69634
[  119.514363][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3703a
[  119.514366][    C3] R10: ffff8880361b81d3 R11: ffff888001b3a300 R12: 0000000000000000
[  119.514369][    C3] R13: ffff888001b3a300 R14: dffffc0000000000 R15: 0000000000000000
[ 119.514387][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) 
[ 119.514396][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 119.514411][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 119.514416][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 119.514424][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 119.514437][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 119.514453][ C3] do_idle (kernel/sched/idle.c:325) 
[ 119.514463][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 119.514471][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 119.514479][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 119.514499][ C3] common_startup_64 (arch/x86/kernel/head_64.S:421) 
| [  174.552389][    C1] 1 lock held by mausezahn/1489:
| [ 174.552615][ C1] #0: ffffc900001e0ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
| [  174.553041][    C1]
| [  174.553041][    C1] stack backtrace:
[  174.553321][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.553323][    C1] Call Trace:
[  174.553325][    C1]  <IRQ>
[ 174.553327][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 174.553337][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 174.553348][ C1] icmp6_send (./include/net/net_namespace.h:404 ./include/linux/netdevice.h:2669 net/ipv6/icmp.c:476) 
[ 174.553367][ C1] ? __pfx_icmp6_send (net/ipv6/icmp.c:452) 
[ 174.553375][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 174.553380][ 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) 
[ 174.553383][ C1] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 174.553393][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 174.553400][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 174.553406][ C1] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 174.553409][ C1] ? neigh_invalidate (net/core/neighbour.c:1008) 
[ 174.553415][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 174.553419][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) 
[ 174.553430][ C1] ip6_link_failure (./include/linux/skbuff.h:1152 net/ipv6/route.c:2801) 
[ 174.553438][ C1] ndisc_error_report (./include/net/dst.h:429 net/ipv6/ndisc.c:731) 
[ 174.553444][ C1] neigh_invalidate (net/core/neighbour.c:1008) 
[ 174.553453][ C1] neigh_timer_handler (net/core/neighbour.c:1109 (discriminator 2)) 
[ 174.553463][ C1] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 174.553466][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 174.553469][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 174.553471][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 174.553475][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 174.553478][ C1] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 174.553496][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 174.553499][ C1] ? __pfx_neigh_timer_handler (net/core/neighbour.c:1032) 
[ 174.553509][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 174.553512][ C1] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 174.553519][ 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) 
[ 174.553525][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 174.553530][ C1] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 174.553532][ C1] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 174.553542][ C1] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 174.553546][ C1] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:147 kernel/time/timer_migration.c:961) 
[ 174.553553][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 174.553556][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 174.553559][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 174.553578][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 174.553584][ C1] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 174.553589][ C1] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 174.553599][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 174.553603][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 174.553606][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 174.553611][ C1] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 174.553618][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 174.553634][ C1] handle_softirqs (kernel/softirq.c:561) 
[ 174.553646][ C1] __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662) 
[ 174.553649][ C1] irq_exit_rcu (kernel/softirq.c:680) 
[ 174.553652][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  174.553657][    C1]  </IRQ>
[  174.553658][    C1]  <TASK>
[ 174.553661][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 174.553665][ C1] RIP: 0010:unwind_next_frame (./arch/x86/include/asm/unwind.h:125 arch/x86/kernel/unwind_orc.c:588) 
[ 174.553669][ C1] Code: 45 28 49 89 55 58 49 8d 75 30 48 89 c1 48 89 44 24 30 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 68 12 00 00 <49> 8b 7d 28 4c 89 f9 e8 b2 d5 42 00 48 3d a0 26 9e ad 0f 84 89 0d
All code
========
   0:	45 28 49 89          	sub    %r9b,-0x77(%r9)
   4:	55                   	push   %rbp
   5:	58                   	pop    %rax
   6:	49 8d 75 30          	lea    0x30(%r13),%rsi
   a:	48 89 c1             	mov    %rax,%rcx
   d:	48 89 44 24 30       	mov    %rax,0x30(%rsp)
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df 
  1c:	48 c1 e9 03          	shr    $0x3,%rcx
  20:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1)
  24:	0f 85 68 12 00 00    	jne    0x1292
  2a:*	49 8b 7d 28          	mov    0x28(%r13),%rdi		<-- trapping instruction
  2e:	4c 89 f9             	mov    %r15,%rcx
  31:	e8 b2 d5 42 00       	call   0x42d5e8
  36:	48 3d a0 26 9e ad    	cmp    $0xffffffffad9e26a0,%rax
  3c:	0f                   	.byte 0xf
  3d:	84                   	.byte 0x84
  3e:	89                   	.byte 0x89
  3f:	0d                   	.byte 0xd

Code starting with the faulting instruction
===========================================
   0:	49 8b 7d 28          	mov    0x28(%r13),%rdi
   4:	4c 89 f9             	mov    %r15,%rcx
   7:	e8 b2 d5 42 00       	call   0x42d5be
   c:	48 3d a0 26 9e ad    	cmp    $0xffffffffad9e26a0,%rax
  12:	0f                   	.byte 0xf
  13:	84                   	.byte 0x84
  14:	89                   	.byte 0x89
  15:	0d                   	.byte 0xd
[  174.553672][    C1] RSP: 0018:ffffc90002527228 EFLAGS: 00000246
[  174.553675][    C1] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff920004a4e6a
[  174.553677][    C1] RDX: ffffffffafad9af0 RSI: ffffc90002527358 RDI: ffffc90002527850
[  174.553679][    C1] RBP: ffffc90002527380 R08: ffffc90002527368 R09: 1ffff920004a4e4e
[  174.553680][    C1] R10: ffffc90002527328 R11: ffffc90002527369 R12: 1ffff920004a4e4e
[  174.553682][    C1] R13: ffffc90002527328 R14: ffffffffb24b0b18 R15: ffffc90002527850
[ 174.553692][ C1] ? sock_alloc_send_pskb (net/core/sock.c:2899) 
[ 174.553702][ C1] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:406 arch/x86/kernel/unwind_orc.c:585) 
[ 174.553706][ C1] ? alloc_skb_with_frags (./include/linux/skbuff.h:1331 net/core/skbuff.c:6612) 
[ 174.553714][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 174.553723][ C1] ? alloc_skb_with_frags (./include/linux/skbuff.h:1331 net/core/skbuff.c:6612) 
[ 174.553725][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 174.553732][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 174.553739][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 174.553750][ C1] ? sock_alloc_send_pskb (net/core/sock.c:2899) 
[ 174.553759][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 174.553763][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 174.553775][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 174.553780][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 174.553783][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 174.553786][ C1] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 174.553789][ C1] ? kmem_cache_alloc_node_noprof (mm/slub.c:4116 mm/slub.c:4164 mm/slub.c:4216) 
[ 174.553793][ C1] ? __alloc_skb (net/core/skbuff.c:668) 
[ 174.553797][ C1] ? alloc_skb_with_frags (./include/linux/skbuff.h:1331 net/core/skbuff.c:6612) 
[ 174.553799][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 174.553805][ C1] ? find_stack (lib/stackdepot.c:552 (discriminator 1)) 
[ 174.553814][ C1] ? stack_depot_save_flags (lib/stackdepot.c:618) 
[ 174.553824][ C1] ? set_track_prepare (mm/slub.c:938) 
[ 174.553828][ C1] ? __alloc_skb (net/core/skbuff.c:668) 
[ 174.553831][ C1] ? alloc_skb_with_frags (./include/linux/skbuff.h:1331 net/core/skbuff.c:6612) 
[ 174.553833][ C1] ? sock_alloc_send_pskb (net/core/sock.c:2899) 
[ 174.553836][ C1] ? rawv6_send_hdrinc (./include/net/sock.h:1804 net/ipv6/raw.c:614) 
[ 174.553839][ C1] ? rawv6_sendmsg (net/ipv6/raw.c:915) 
[ 174.553842][ C1] ? __sys_sendto (net/socket.c:713 net/socket.c:728 net/socket.c:2182) 
[ 174.553847][ C1] ? __x64_sys_sendto (net/socket.c:2185) 
[ 174.553850][ C1] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 174.553854][ C1] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 174.553862][ C1] ? ___slab_alloc (mm/slub.c:967 mm/slub.c:3816) 
[ 174.553865][ C1] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 174.553868][ C1] ? __alloc_skb (net/core/skbuff.c:668) 
[ 174.553872][ C1] ? ___slab_alloc (mm/slub.c:3658) 
[ 174.553886][ C1] kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 174.553889][ C1] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 174.553895][ C1] kmem_cache_alloc_node_noprof (mm/slub.c:4116 mm/slub.c:4164 mm/slub.c:4216) 
[ 174.553906][ C1] __alloc_skb (net/core/skbuff.c:668) 
[ 174.553910][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:651) 
[ 174.553913][ C1] ? ipv6_dev_get_saddr (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/addrconf.c:1900) 
[ 174.553917][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 174.553930][ C1] alloc_skb_with_frags (./include/linux/skbuff.h:1331 net/core/skbuff.c:6612) 
[ 174.553937][ C1] ? ipv6_dev_get_saddr (net/ipv6/addrconf.c:1809) 
[ 174.553944][ C1] sock_alloc_send_pskb (net/core/sock.c:2899) 
[ 174.553947][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 174.553961][ C1] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870) 
[ 174.553970][ C1] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3174) 
[ 174.553978][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 174.553985][ C1] rawv6_send_hdrinc (./include/net/sock.h:1804 net/ipv6/raw.c:614) 
[ 174.553997][ C1] ? __pfx_rawv6_send_hdrinc (net/ipv6/raw.c:596) 
[ 174.554002][ C1] ? ip6_dst_hoplimit.part.0.isra.0 (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/ipv6/output_core.c:117) 
[ 174.554013][ C1] rawv6_sendmsg (net/ipv6/raw.c:915) 
[ 174.554022][ C1] ? trace_raw_output_lock (./include/trace/events/lock.h:50 (discriminator 2)) 
[ 174.554029][ C1] ? __pfx_rawv6_sendmsg (net/ipv6/raw.c:741) 
[ 174.554035][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 174.554045][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 174.554053][ C1] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 174.554059][ C1] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 174.554061][ C1] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) 
[ 174.554074][ C1] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) 
[ 174.554079][ C1] ? __might_fault (mm/memory.c:6840 mm/memory.c:6833) 
[ 174.554088][ C1] ? __sys_sendto (net/socket.c:713 net/socket.c:728 net/socket.c:2182) 
[ 174.554092][ C1] __sys_sendto (net/socket.c:713 net/socket.c:728 net/socket.c:2182) 
[ 174.554097][ C1] ? __pfx___sys_sendto (net/socket.c:2149) 
[ 174.554100][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 174.554103][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 174.554115][ C1] ? rseq_update_cpu_node_id (kernel/rseq.c:188 (discriminator 10)) 
[ 174.554127][ C1] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:403) 
[ 174.554133][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 174.554145][ C1] __x64_sys_sendto (net/socket.c:2185) 
[ 174.554149][ C1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 174.554154][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 174.554160][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  174.554162][    C1] RIP: 0033:0x7f532846ca4a
[ 174.554166][ 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
[  174.554169][    C1] RSP: 002b:00007ffc0fefe3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  174.554171][    C1] RAX: ffffffffffffffda RBX: 0000000036b8aec0 RCX: 00007f532846ca4a
[  174.554173][    C1] RDX: 0000000000000070 RSI: 0000000036b8b160 RDI: 0000000000000005
[  174.554175][    C1] RBP: 0000000036b8aec0 R08: 00007ffc0fefe3e0 R09: 000000000000001c
[  174.554176][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000070


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