======================================
| [ 39.444948][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   39.445145][    C0]
| [   39.445223][    C0]
| [   39.445223][    C0] stack backtrace:
[   39.445749][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.446100][    C0] Call Trace:
[   39.446220][    C0]  <IRQ>
[ 39.446306][ C0] dump_stack_lvl (lib/dump_stack.c:117) 
[ 39.446662][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.446883][ C0] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.447046][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 39.447417][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 39.447574][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 39.447729][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.447888][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 39.448048][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 39.448294][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.448454][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 39.448613][ C0] ? save_trace (kernel/locking/lockdep.c:586) 
[ 39.448778][ C0] mark_lock (kernel/locking/lockdep.c:4678) 
[ 39.448987][ C0] mark_usage (kernel/locking/lockdep.c:4567) 
[ 39.449107][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 39.449266][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 39.449423][ C0] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.449582][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 39.449824][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 39.449981][ C0] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.450140][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.450300][ C0] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.450546][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 39.450703][ C0] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.450858][ C0] ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 39.451019][ C0] ? vxlan_err_lookup (drivers/net/vxlan/vxlan_core.c:1821) vxlan
[ 39.451279][ C0] ? __pfx_ipv4_sk_update_pmtu (net/ipv4/route.c:1110) 
[ 39.451436][ C0] ? __udp4_lib_err_encap (net/ipv4/udp.c:673 (discriminator 1)) 
[ 39.451601][ C0] __udp4_lib_err (net/ipv4/udp.c:751) 
[ 39.451763][ C0] icmp_unreach (net/ipv4/icmp.c:957) 
[ 39.452008][ C0] icmp_rcv (net/ipv4/icmp.c:1274) 
[ 39.452129][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 39.452289][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:810 net/ipv4/ip_input.c:234) 
[ 39.452448][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 39.452605][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 39.452850][ C0] ? ip_rcv_finish_core.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2574 net/ipv4/ip_input.c:372) 
[ 39.453053][ C0] 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) 
[ 39.453175][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 39.453335][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 39.453580][ C0] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 39.453740][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 39.453899][ C0] __netif_receive_skb_one_core (net/core/dev.c:5604 (discriminator 4)) 
[ 39.454095][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597) 
[ 39.454383][ C0] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 39.454546][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 39.454706][ C0] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 39.454877][ C0] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048) 
[ 39.455123][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 39.455280][ C0] __napi_poll.constprop.0 (net/core/dev.c:6701) 
[ 39.455442][ C0] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886) 
[ 39.455602][ C0] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 39.455845][ C0] ? 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)) 
[ 39.455963][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) 
[ 39.456130][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) 
[ 39.456289][ C0] __do_softirq (kernel/softirq.c:554) 
[ 39.456454][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 39.456699][ C0] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[   39.456819][    C0]  </IRQ>
[   39.456901][    C0]  <TASK>
[ 39.456981][ C0] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 39.457138][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 39.457390][ C0] __dev_queue_xmit (net/core/dev.c:4400) 
[ 39.457550][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 39.457708][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 39.457865][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2767) 
[ 39.458027][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) 
[ 39.458276][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) 
[ 39.458435][ C0] packet_snd (net/packet/af_packet.c:3081) 
[ 39.458596][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 39.458759][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2944) 
[ 39.459007][ C0] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 39.459169][ C0] ? trace_raw_output_mmap_lock_acquire_returned (./include/trace/events/mmap_lock.h:52 (discriminator 2)) 
[ 39.459403][ C0] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 39.459564][ C0] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[ 39.459897][ C0] ? __pfx___sys_sendto (net/socket.c:2161) 
[ 39.460057][ C0] ? sock_ioctl (net/socket.c:1344) 
[ 39.460213][ C0] ? __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) 
[ 39.460376][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1339) 
[ 39.460625][ C0] ? 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) 
[ 39.460785][ C0] __x64_sys_sendto (net/socket.c:2199) 
[ 39.460944][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 39.461144][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.461390][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   39.461587][    C0] RIP: 0033:0x7f049191e85a
[ 39.461752][ C0] 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
[   39.462407][    C0] RSP: 002b:00007ffce7a50a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.462652][    C0] RAX: ffffffffffffffda RBX: 00000000404249d0 RCX: 00007f049191e85a
[   39.462981][    C0] RDX: 00000000000003c5 RSI: 0000000040425022 RDI: 0000000000000005
[   39.463225][    C0] RBP: 0000000040425022 R08: 00007ffce7a50a40 R09: 0000000000000014
[   39.463462][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage