======================================
| [ 75.358993][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
| [   75.359229][    C1]
| [   75.359330][    C1]
| [   75.359330][    C1] stack backtrace:
[   75.359940][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   75.360352][    C1] Call Trace:
[   75.360490][    C1]  <IRQ>
[ 75.360589][ C1] dump_stack_lvl (lib/dump_stack.c:117) 
[ 75.360789][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 75.361024][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 75.361300][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 75.361553][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 75.361735][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 75.361921][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 75.362198][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 75.362399][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 75.362590][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 75.362788][ C1] ? save_trace (kernel/locking/lockdep.c:586) 
[ 75.362974][ C1] mark_lock (kernel/locking/lockdep.c:4678) 
[ 75.363294][ C1] ? __lock_unpin_lock (kernel/locking/lockdep.c:5565) 
[ 75.363473][ C1] mark_usage (kernel/locking/lockdep.c:4567) 
[ 75.363646][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 75.363837][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 75.364120][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 75.364309][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 75.364497][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 75.364683][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 75.364887][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 75.365169][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 75.365350][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 75.365543][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 75.365729][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 75.366017][ C1] ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) 
[ 75.366214][ C1] ? vxlan_err_lookup (drivers/net/vxlan/vxlan_core.c:1821) vxlan
[ 75.366407][ C1] ? __pfx_ipv4_sk_update_pmtu (net/ipv4/route.c:1110) 
[ 75.366609][ C1] ? __udp4_lib_err_encap (net/ipv4/udp.c:673 (discriminator 1)) 
[ 75.366896][ C1] __udp4_lib_err (net/ipv4/udp.c:751) 
[ 75.367097][ C1] icmp_unreach (net/ipv4/icmp.c:957) 
[ 75.367274][ C1] icmp_rcv (net/ipv4/icmp.c:1274) 
[ 75.367429][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 75.367622][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:810 net/ipv4/ip_input.c:234) 
[ 75.367903][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 75.368093][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 75.368292][ C1] ? ip_rcv_finish_core.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2574 net/ipv4/ip_input.c:372) 
[ 75.368531][ 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) 
[ 75.368764][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 75.368956][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 75.369151][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 75.369347][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 75.369652][ C1] __netif_receive_skb_one_core (net/core/dev.c:5604 (discriminator 4)) 
[ 75.369877][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597) 
[ 75.370104][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 75.370276][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 75.370448][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) 
[ 75.370657][ C1] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048) 
[ 75.370848][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) 
[ 75.371039][ C1] __napi_poll.constprop.0 (net/core/dev.c:6701) 
[ 75.371313][ C1] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886) 
[ 75.371507][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850) 
[ 75.371692][ 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)) 
[ 75.371831][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) 
[ 75.372024][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) 
[ 75.372306][ C1] __do_softirq (kernel/softirq.c:554) 
[ 75.372494][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 75.372683][ C1] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) 
[   75.372821][    C1]  </IRQ>
[   75.372916][    C1]  <TASK>
[ 75.373097][ C1] __local_bh_enable_ip (kernel/softirq.c:382) 
[ 75.373276][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) 
[ 75.373454][ C1] __dev_queue_xmit (net/core/dev.c:4400) 
[ 75.373647][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 75.373924][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) 
[ 75.374116][ C1] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2767) 
[ 75.374299][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) 
[ 75.374490][ C1] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) 
[ 75.374691][ C1] packet_snd (net/packet/af_packet.c:3081) 
[ 75.374997][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 75.375192][ C1] ? __pfx_packet_snd (net/packet/af_packet.c:2944) 
[ 75.375376][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 75.375566][ C1] ? trace_raw_output_mmap_lock_acquire_returned (./include/trace/events/mmap_lock.h:52 (discriminator 2)) 
[ 75.375924][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) 
[ 75.376109][ C1] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) 
[ 75.376314][ C1] ? __pfx___sys_sendto (net/socket.c:2161) 
[ 75.376515][ C1] ? sock_ioctl (net/socket.c:1344) 
[ 75.376795][ 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) 
[ 75.376984][ C1] ? __pfx___up_read (kernel/locking/rwsem.c:1339) 
[ 75.377169][ 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) 
[ 75.377365][ C1] __x64_sys_sendto (net/socket.c:2199) 
[ 75.377658][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) 
[ 75.377899][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 75.378087][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[   75.378341][    C1] RIP: 0033:0x7fe090f7c85a
[ 75.378531][ 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
[   75.379277][    C1] RSP: 002b:00007ffc8ead0c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   75.379582][    C1] RAX: ffffffffffffffda RBX: 0000000018c239d0 RCX: 00007fe090f7c85a
[   75.379865][    C1] RDX: 00000000000003c5 RSI: 0000000018c24022 RDI: 0000000000000005
[   75.380231][    C1] RBP: 0000000018c24022 R08: 00007ffc8ead0c30 R09: 0000000000000014
[   75.380527][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage