======================================
| [ 48.491870][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   48.492119][    C3]
| [   48.492204][    C3]
| [   48.492204][    C3] stack backtrace:
[   48.492842][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   48.493226][    C3] Call Trace:
[   48.493480][    C3]  <IRQ>
[ 48.493570][ C3] dump_stack_lvl (lib/dump_stack.c:117) 
[ 48.493740][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 48.493949][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 48.494162][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 48.494330][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 48.494496][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 48.494671][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 48.494963][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 48.495134][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 48.495312][ C3] ? save_trace (kernel/locking/lockdep.c:586) 
[ 48.495486][ C3] mark_lock (kernel/locking/lockdep.c:4678) 
[ 48.495615][ C3] mark_usage (kernel/locking/lockdep.c:4567) 
[ 48.495857][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 48.496031][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 48.496203][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 48.496370][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 48.496657][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 48.496825][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 48.496998][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 48.497165][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 48.497335][ C3] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:177 kernel/locking/spinlock.c:252) 
[ 48.497615][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 48.497782][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934) 
[ 48.497950][ C3] ndisc_send_ns (net/ipv6/ndisc.c:658) 
[ 48.498119][ C3] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653) 
[ 48.498418][ C3] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:2009) 
[ 48.498634][ C3] ndisc_solicit (net/ipv6/ndisc.c:736) 
[ 48.498803][ C3] ? __pfx_ndisc_solicit (net/ipv6/ndisc.c:736) 
[ 48.498971][ C3] ? neigh_probe (net/core/neighbour.c:1074) 
[ 48.499143][ C3] neigh_probe (net/core/neighbour.c:1075) 
[ 48.499272][ C3] __neigh_event_send (net/core/neighbour.c:1242) 
[ 48.499442][ C3] ? do_raw_write_lock (kernel/locking/spinlock_debug.c:188 kernel/locking/spinlock_debug.c:210) 
[ 48.499637][ C3] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 48.499936][ C3] neigh_resolve_output (net/core/neighbour.c:1547) 
[ 48.500107][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) 
[ 48.500286][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9)) 
[ 48.500463][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 48.500638][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 48.500939][ C3] ? __pfx_flow_hash_from_keys (net/core/flow_dissector.c:1789) 
[ 48.501107][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) 
[ 48.501236][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) 
[ 48.501416][ C3] ? vrf_l3_out (drivers/net/vrf.c:1035) vrf
[ 48.501712][ C3] ? ip6_local_out (net/ipv6/output_core.c:154) 
[ 48.501891][ C3] ip6tunnel_xmit.constprop.0 (./include/net/ip6_tunnel.h:163) ip6_tunnel
[ 48.502121][ C3] ip6_tnl_xmit (net/ipv6/ip6_tunnel.c:1279) ip6_tunnel
[ 48.502337][ C3] ? __kasan_kmalloc (mm/kasan/common.c:391) 
[ 48.502622][ C3] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 48.502794][ C3] ? sk_getsockopt (net/core/sock.c:1940 (discriminator 2)) 
[ 48.502967][ C3] ? __pfx_ip6_tnl_xmit (net/ipv6/ip6_tunnel.c:1085) ip6_tunnel
[ 48.503194][ C3] ? pskb_expand_head (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:2267) 
[ 48.503482][ C3] ? __pfx_pskb_expand_head (net/core/skbuff.c:2202) 
[ 48.503650][ C3] ? __gre6_xmit (net/ipv6/ip6_gre.c:812) ip6_gre
[ 48.503822][ C3] __gre6_xmit (net/ipv6/ip6_gre.c:812) ip6_gre
[ 48.503994][ C3] ? __pfx___gre6_xmit (net/ipv6/ip6_gre.c:747) ip6_gre
[ 48.504320][ C3] ? ip6gre_tunnel_xmit (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 net/ipv6/ip6_gre.c:831 net/ipv6/ip6_gre.c:919) ip6_gre
[ 48.504533][ C3] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:838 net/ipv6/ip6_gre.c:919) ip6_gre
[ 48.504752][ C3] ? __pfx_ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:905) ip6_gre
[ 48.505076][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 48.505245][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 48.505418][ C3] ? dev_queue_xmit_nit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:2332) 
[ 48.505590][ C3] ? dev_queue_xmit_nit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:2332) 
[ 48.505759][ C3] ? __pfx_qdisc_pkt_len_init (net/core/dev.c:3712) 
[ 48.506040][ C3] ? dev_queue_xmit_nit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:2332) 
[ 48.506209][ C3] dev_hard_start_xmit (./include/linux/netdevice.h:4875 ./include/linux/netdevice.h:4889 net/core/dev.c:3563 net/core/dev.c:3579) 
[ 48.506389][ C3] ? validate_xmit_skb.constprop.0 (net/core/dev.c:3634) 
[ 48.506598][ C3] __dev_queue_xmit (net/core/dev.h:167 net/core/dev.c:4373) 
[ 48.506878][ C3] ? do_raw_write_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) 
[ 48.507049][ C3] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 48.507215][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) 
[ 48.507384][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9)) 
[ 48.507662][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9)) 
[ 48.507836][ C3] ip_finish_output2 (./include/net/neighbour.h:542 net/ipv4/ip_output.c:235) 
[ 48.508008][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 48.508217][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 48.508500][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1645 ./include/linux/skbuff.h:4961 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 48.508668][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 48.508795][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 48.508962][ C3] ? pskb_expand_head (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 net/core/skbuff.c:2267) 
[ 48.509128][ C3] ? ip_route_input_noref (net/ipv4/route.c:2489) 
[ 48.509304][ C3] NF_HOOK.constprop.0 (./include/linux/netfilter.h:314) 
[ 48.509474][ C3] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) 
[ 48.509641][ C3] ? ip_forward (net/ipv4/ip_forward.c:144) 
[ 48.509812][ C3] ? vrf_l3_rcv (drivers/net/vrf.c:1222 drivers/net/vrf.c:1456 drivers/net/vrf.c:1468) vrf
[ 48.510099][ C3] ip_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 48.510225][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 48.510393][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 48.510562][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 48.510844][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 48.511016][ C3] __netif_receive_skb_one_core (net/core/dev.c:5604 (discriminator 4)) 
[ 48.511228][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597) 
[ 48.511436][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 48.511719][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 48.511886][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 48.512079][ C3] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048) 
[ 48.512250][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 48.512529][ C3] __napi_poll.constprop.0 (net/core/dev.c:6701) 
[ 48.512704][ C3] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886) 
[ 48.512880][ C3] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 48.513053][ C3] __do_softirq (kernel/softirq.c:554) 
[ 48.513350][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 48.513519][ C3] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[   48.513649][    C3]  </IRQ>
[   48.513740][    C3]  <TASK>
[ 48.513826][ C3] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 48.513991][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 48.514164][ C3] __dev_queue_xmit (net/core/dev.c:4400) 
[ 48.514334][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 48.514504][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 48.514677][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2767) 
[ 48.514964][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) 
[ 48.515148][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) 
[ 48.515331][ C3] packet_snd (net/packet/af_packet.c:3081) 
[ 48.515514][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 48.515818][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2944) 
[ 48.516002][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 48.516185][ C3] ? trace_raw_output_mmap_lock_acquire_returned (./include/trace/events/mmap_lock.h:52 (discriminator 2)) 
[ 48.516460][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 48.516758][ C3] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[ 48.516931][ C3] ? __pfx___sys_sendto (net/socket.c:2161) 
[ 48.517106][ C3] ? sock_ioctl (net/socket.c:1344) 
[ 48.517274][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 48.517673][ C3] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
[ 48.517843][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:316) 
[ 48.518059][ C3] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) 
[ 48.518267][ C3] __x64_sys_sendto (net/socket.c:2199) 
[ 48.518546][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 48.518754][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 48.518928][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   48.519140][    C3] RIP: 0033:0x7fd16b9d585a
[ 48.519450][ C3] 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
[   48.520044][    C3] RSP: 002b:00007ffd17d86308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.520309][    C3] RAX: ffffffffffffffda RBX: 0000000025ff99d0 RCX: 00007fd16b9d585a
[   48.520566][    C3] RDX: 0000000000000062 RSI: 0000000025ff95c2 RDI: 0000000000000005
[   48.520927][    C3] RBP: 0000000025ff95c2 R08: 00007ffd17d86310 R09: 0000000000000014
[   48.521190][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage