======================================
| [  179.498259][ T1474] ------------[ cut here ]------------
| [  179.498485][ T1474] DEBUG_LOCKS_WARN_ON(1)
| [  179.498526][ T1474] WARNING: CPU: 2 PID: 1474 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7))
| [  179.499154][ T1474] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel act_skbedit cls_flower sch_prio sch_ingress 8021q bridge stp llc vrf veth
[  179.500091][ T1474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.500365][ T1474] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7))
[  179.500655][ T1474] Code: ff 4c 89 e6 48 c7 c7 28 3d 9d 88 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 96 88 48 c7 c7 3b fc 96 88 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 97 88 48 c7 c7 3b fc
All code
========
   0:	ff 4c 89 e6          	decl   -0x1a(%rcx,%rcx,4)
   4:	48 c7 c7 28 3d 9d 88 	mov    $0xffffffff889d3d28,%rdi
   b:	e8 ee c9 01 00       	call   0x1c9fe
  10:	e9 3d ff ff ff       	jmp    0xffffffffffffff52
  15:	90                   	nop
  16:	48 c7 c6 ee ff 96 88 	mov    $0xffffffff8896ffee,%rsi
  1d:	48 c7 c7 3b fc 96 88 	mov    $0xffffffff8896fc3b,%rdi
  24:	e8 c5 89 e9 ff       	call   0xffffffffffe989ee
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	e9 47 ff ff ff       	jmp    0xffffffffffffff7a
  33:	90                   	nop
  34:	48 c7 c6 2a 01 97 88 	mov    $0xffffffff8897012a,%rsi
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	c7                   	(bad)
  3e:	3b fc                	cmp    %esp,%edi

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	90                   	nop
   4:	e9 47 ff ff ff       	jmp    0xffffffffffffff50
   9:	90                   	nop
   a:	48 c7 c6 2a 01 97 88 	mov    $0xffffffff8897012a,%rsi
  11:	48                   	rex.W
  12:	c7                   	.byte 0xc7
  13:	c7                   	(bad)
  14:	3b fc                	cmp    %esp,%edi
[  179.501380][ T1474] RSP: 0018:ffffc90001437018 EFLAGS: 00010282
[  179.501667][ T1474] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  179.501983][ T1474] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[  179.502307][ T1474] RBP: ffffe8ffffc04b70 R08: 0000000000000000 R09: fffffbfff11be10c
[  179.502635][ T1474] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800fd32e60
[  179.502953][ T1474] R13: 0000000000000000 R14: ffffe8ffffc04958 R15: ffffe8ffffc04900
[  179.503278][ T1474] FS:  00007fe123cd8800(0000) GS:ffff8880ac0f2000(0000) knlGS:0000000000000000
[  179.503665][ T1474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  179.503954][ T1474] CR2: 00007f4d79a68a50 CR3: 0000000009691005 CR4: 0000000000772ef0
[  179.504271][ T1474] PKRU: 55555554
[  179.504443][ T1474] Call Trace:
[  179.504612][ T1474]  <TASK>
[  179.504802][ T1474]  gro_cells_init (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/core/gro_cells.c:93 net/core/gro_cells.c:78)
[  179.505036][ T1474] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan
[  179.505262][ T1474]  ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78)
[  179.505481][ T1474]  register_netdevice (net/core/dev.c:11309)
[  179.505709][ T1474]  ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan
[  179.505925][ T1474]  ? unregister_netdevice_queue (net/core/dev.c:11272)
[  179.506181][ T1474]  ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan
[  179.506437][ T1474]  ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan
[  179.506705][ T1474] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan
[  179.506921][ T1474]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  179.507139][ T1474]  ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan
[  179.507352][ T1474] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan
[  179.507579][ T1474]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan
[  179.507808][ T1474]  ? rtnl_create_link (net/core/rtnetlink.c:3657)
[  179.508025][ T1474]  rtnl_newlink_create (net/core/rtnetlink.c:3843)
[  179.508230][ T1474]  ? rtnl_create_link (net/core/rtnetlink.c:3806)
[  179.508435][ T1474]  ? __dev_get_by_name (net/core/dev.c:865)
[  179.508656][ T1474]  ? rtnl_dev_get (net/core/rtnetlink.c:3419)
[  179.508871][ T1474]  ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419)
[  179.509126][ T1474]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  179.509339][ T1474]  ? reacquire_held_locks (kernel/locking/lockdep.c:5385)
[  179.509546][ T1474]  __rtnl_newlink (net/core/rtnetlink.c:3957)
[  179.509759][ T1474]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  179.509971][ T1474]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  179.510188][ T1474]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  179.510391][ T1474]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  179.510598][ T1474]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  179.510811][ T1474]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  179.511017][ T1474]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  179.511220][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  179.511439][ T1474]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  179.511664][ T1474]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  179.511867][ T1474]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  179.512075][ T1474]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  179.512284][ T1474]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[  179.512495][ T1474]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  179.512708][ T1474]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  179.512917][ T1474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  179.513126][ T1474]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  179.513339][ T1474]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  179.513541][ T1474]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  179.513767][ T1474]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  179.513969][ T1474]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  179.514196][ T1474]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  179.514447][ T1474]  ? __copy_msghdr (net/socket.c:2556)
[  179.514675][ T1474]  ___sys_sendmsg (net/socket.c:2686)
[  179.514883][ T1474]  ? copy_msghdr_from_user (net/socket.c:2673)
[  179.515093][ T1474]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  179.515311][ T1474]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  179.515517][ T1474]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  179.515735][ T1474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  179.515942][ T1474]  __sys_sendmsg (net/socket.c:2716)
[  179.516150][ T1474]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  179.516355][ T1474]  ? __rseq_handle_notify_resume (kernel/rseq.c:442)
[  179.516638][ T1474]  ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415)
[  179.516859][ T1474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  179.517079][ T1474]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  179.517295][ T1474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  179.517562][ T1474] RIP: 0033:0x7fe123ea61d7
[  179.517798][ T1474] Code: Unable to access opcode bytes at 0x7fe123ea61ad.

Code starting with the faulting instruction
===========================================
[  179.518056][ T1474] RSP: 002b:00007ffdf9ff6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  179.518368][ T1474] RAX: ffffffffffffffda RBX: 00007ffdf9ff6760 RCX: 00007fe123ea61d7
[  179.518671][ T1474] RDX: 0000000000000000 RSI: 00007ffdf9ff60a0 RDI: 0000000000000005
[  179.518966][ T1474] RBP: 000000000000000c R08: 0000000000000074 R09: 0000000000000000
[  179.519275][ T1474] R10: 00007fe123d9d770 R11: 0000000000000246 R12: 00007ffdf9ff6780


Finger prints:
lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create