======================================
| [ 39.941771][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   39.942060][    C1]
| [   39.942142][    C1]
| [   39.942142][    C1] stack backtrace:
[   39.942577][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.943017][    C1] Call Trace:
[   39.943138][    C1]  <IRQ>
[ 39.943218][ C1] dump_stack_lvl (lib/dump_stack.c:117) 
[ 39.943380][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.943669][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.943828][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.944025][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 39.944183][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 39.944430][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.944593][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 39.944752][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 39.944911][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.945247][ C1] ? save_trace (kernel/locking/lockdep.c:586) 
[ 39.945402][ C1] mark_lock (kernel/locking/lockdep.c:4678) 
[ 39.945520][ C1] ? __lock_unpin_lock (kernel/locking/lockdep.c:5565) 
[ 39.945674][ C1] mark_usage (kernel/locking/lockdep.c:4567) 
[ 39.945812][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 39.946056][ C1] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) 
[ 39.946211][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 39.946365][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.946521][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 39.946763][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 39.946917][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.947073][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.947226][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.947468][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 39.947621][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.947775][ C1] ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.947934][ C1] ? vxlan_err_lookup (drivers/net/vxlan/vxlan_core.c:1821) vxlan
[ 39.948105][ C1] ? __pfx_ipv4_sk_update_pmtu (net/ipv4/route.c:1110) 
[ 39.948345][ C1] ? __udp4_lib_err_encap (net/ipv4/udp.c:673 (discriminator 1)) 
[ 39.948503][ C1] __udp4_lib_err (net/ipv4/udp.c:751) 
[ 39.948660][ C1] icmp_unreach (net/ipv4/icmp.c:957) 
[ 39.948817][ C1] icmp_rcv (net/ipv4/icmp.c:1274) 
[ 39.949021][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 39.949182][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:810 net/ipv4/ip_input.c:234) 
[ 39.949341][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 39.949499][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 39.949745][ C1] ? ip_rcv_finish_core.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2574 net/ipv4/ip_input.c:372) 
[ 39.949948][ C1] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 39.950067][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 39.950226][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 39.950384][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 39.950627][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 39.950788][ C1] __netif_receive_skb_one_core (net/core/dev.c:5604 (discriminator 4)) 
[ 39.950986][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597) 
[ 39.951270][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 39.951427][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.951584][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 39.951744][ C1] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048) 
[ 39.951903][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 39.952148][ C1] __napi_poll.constprop.0 (net/core/dev.c:6701) 
[ 39.952311][ C1] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886) 
[ 39.952470][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 39.952627][ C1] ? ktime_get (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:848 (discriminator 4)) 
[ 39.952834][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) 
[ 39.952991][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) 
[ 39.953147][ C1] __do_softirq (kernel/softirq.c:554) 
[ 39.953306][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 39.953550][ C1] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[   39.953673][    C1]  </IRQ>
[   39.953758][    C1]  <TASK>
[ 39.953837][ C1] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 39.953990][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 39.954148][ C1] __dev_queue_xmit (net/core/dev.c:4400) 
[ 39.954392][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 39.954549][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 39.954708][ C1] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2767) 
[ 39.954870][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) 
[ 39.955116][ C1] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) 
[ 39.955274][ C1] packet_snd (net/packet/af_packet.c:3081) 
[ 39.955433][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 39.955589][ C1] ? __pfx_packet_snd (net/packet/af_packet.c:2944) 
[ 39.955853][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 39.956011][ C1] ? trace_raw_output_mmap_lock_acquire_returned (./include/trace/events/mmap_lock.h:52 (discriminator 2)) 
[ 39.956246][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 39.956405][ C1] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[ 39.956652][ C1] ? __pfx___sys_sendto (net/socket.c:2161) 
[ 39.956812][ C1] ? sock_ioctl (net/socket.c:1344) 
[ 39.956969][ C1] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347) 
[ 39.957126][ C1] ? __pfx___up_read (kernel/locking/rwsem.c:1339) 
[ 39.957455][ C1] ? do_user_addr_fault (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/linux/mm.h:702 arch/x86/mm/fault.c:1364) 
[ 39.957614][ C1] __x64_sys_sendto (net/socket.c:2199) 
[ 39.957770][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 39.957964][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.958214][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   39.958410][    C1] RIP: 0033:0x7f9ae930b85a
[ 39.958576][ 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
[   39.959220][    C1] RSP: 002b:00007ffea67cf628 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.959459][    C1] RAX: ffffffffffffffda RBX: 0000000017aa29d0 RCX: 00007f9ae930b85a
[   39.959784][    C1] RDX: 00000000000003c5 RSI: 0000000017aa3022 RDI: 0000000000000005
[   39.960020][    C1] RBP: 0000000017aa3022 R08: 00007ffea67cf630 R09: 0000000000000014
[   39.960252][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage