======================================
| [   21.835738][  T326] ------------[ cut here ]------------
| [   21.835961][  T326] DEBUG_LOCKS_WARN_ON(1)
| [   21.836000][  T326] WARNING: CPU: 2 PID: 326 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7))
| [   21.836604][  T326] Modules linked in: ip_gre(+) gre vrf veth
[   21.837273][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.837548][  T326] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7))
[   21.837820][  T326] Code: ff 4c 89 e6 48 c7 c7 28 3d 3d a0 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 36 a0 48 c7 c7 3b fc 36 a0 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 37 a0 48 c7 c7 3b fc
All code
========
   0:	ff 4c 89 e6          	decl   -0x1a(%rcx,%rcx,4)
   4:	48 c7 c7 28 3d 3d a0 	mov    $0xffffffffa03d3d28,%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 36 a0 	mov    $0xffffffffa036ffee,%rsi
  1d:	48 c7 c7 3b fc 36 a0 	mov    $0xffffffffa036fc3b,%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 37 a0 	mov    $0xffffffffa037012a,%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 37 a0 	mov    $0xffffffffa037012a,%rsi
  11:	48                   	rex.W
  12:	c7                   	.byte 0xc7
  13:	c7                   	(bad)
  14:	3b fc                	cmp    %esp,%edi
[   21.838554][  T326] RSP: 0018:ffffc90000647490 EFLAGS: 00010282
[   21.839112][  T326] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   21.839430][  T326] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[   21.839740][  T326] RBP: ffffe8ffffc04798 R08: 0000000000000000 R09: fffffbfff40fe10c
[   21.840058][  T326] R10: 0000000000000003 R11: 0000000000000004 R12: ffff888014954dd0
[   21.840371][  T326] R13: 0000000000000000 R14: ffffe8ffffc04580 R15: ffffe8ffffc04528
[   21.840679][  T326] FS:  00007fe8d4ffb740(0000) GS:ffff8880946f2000(0000) knlGS:0000000000000000
[   21.841043][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.841307][  T326] CR2: 00007fe8d508fd10 CR3: 0000000010136001 CR4: 0000000000772ef0
[   21.841625][  T326] PKRU: 55555554
[   21.841802][  T326] Call Trace:
[   21.841977][  T326]  <TASK>
[   21.842098][  T326]  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)
[   21.842331][  T326]  ip_tunnel_init (net/ipv4/ip_tunnel.c:1298)
[   21.842554][  T326]  register_netdevice (net/core/dev.c:11309)
[   21.842771][  T326]  ? unregister_netdevice_queue (net/core/dev.c:11272)
[   21.843036][  T326]  ? alloc_netdev_mqs (net/core/dev.c:12076)
[   21.843250][  T326]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.843472][  T326]  ? ip_tunnel_add (net/ipv4/ip_tunnel.c:236)
[   21.843689][  T326]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.843914][  T326]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:1124)
[   21.844132][  T326]  ops_init (net/core/net_namespace.c:137)
[   21.844315][  T326]  register_pernet_operations (net/core/net_namespace.c:1315 net/core/net_namespace.c:1392)
[   21.844539][  T326]  ? ops_undo_list (net/core/net_namespace.c:1374)
[   21.844752][  T326]  ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588)
[   21.845037][  T326]  ? _sub_I_65535_1 (net/ipv4/ip_gre.c:1769) ip_gre
[   21.845258][  T326]  register_pernet_device (net/core/net_namespace.c:1479)
[   21.845474][  T326] ipgre_init (net/ipv4/ip_gre.c:1384) ip_gre
[   21.845689][  T326]  do_one_initcall (init/main.c:1284)
[   21.845924][  T326]  ? trace_initcall_start (init/main.c:1274)
[   21.846136][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.846364][  T326]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 21))
[   21.846585][  T326]  ? __kmalloc_cache_noprof (mm/slub.c:5765)
[   21.846805][  T326]  ? debug_objects_oom (lib/debugobjects.c:1070)
[   21.847040][  T326]  ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182)
[   21.847268][  T326]  ? __asan_register_globals (mm/kasan/generic.c:242 (discriminator 3))
[   21.847481][  T326]  do_init_module (kernel/module/main.c:3039)
[   21.847702][  T326]  ? free_module (kernel/module/main.c:3011)
[   21.847922][  T326]  ? kfree (mm/slub.c:6630 mm/slub.c:6837)
[   21.848090][  T326]  ? load_module (kernel/module/main.c:2468 kernel/module/main.c:3504)
[   21.848313][  T326]  load_module (kernel/module/main.c:3509)
[   21.848530][  T326]  ? layout_and_allocate.constprop.0 (kernel/module/main.c:3353)
[   21.848788][  T326]  ? kernel_read_file (fs/kernel_read_file.c:80 (discriminator 2))
[   21.849018][  T326]  ? kernel_read_file (./arch/x86/include/asm/atomic.h:53 ./include/linux/atomic/atomic-arch-fallback.h:992 ./include/linux/atomic/atomic-instrumented.h:436 ./include/linux/fs.h:3207 fs/kernel_read_file.c:122)
[   21.849230][  T326]  ? __ia32_sys_fsconfig (fs/kernel_read_file.c:38)
[   21.849446][  T326]  ? init_module_from_file (kernel/module/main.c:3701)
[   21.849659][  T326]  init_module_from_file (kernel/module/main.c:3701)
[   21.849884][  T326]  ? __do_sys_init_module (kernel/module/main.c:3677)
[   21.850104][  T326]  ? idempotent_init_module (kernel/module/main.c:3713)
[   21.850321][  T326]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.850538][  T326]  ? 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)
[   21.850753][  T326]  idempotent_init_module (kernel/module/main.c:3713)
[   21.850972][  T326]  ? init_module_from_file (kernel/module/main.c:3705)
[   21.851190][  T326]  ? cap_capable (security/commoncap.c:132)
[   21.851418][  T326]  __x64_sys_finit_module (./include/linux/file.h:62 ./include/linux/file.h:83 kernel/module/main.c:3736 kernel/module/main.c:3723 kernel/module/main.c:3723)
[   21.851632][  T326]  ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:124 arch/x86/entry/syscall_64.c:90)
[   21.851863][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.852077][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   21.852341][  T326] RIP: 0033:0x7fe8d512292d
[   21.852562][  T326] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9b 14 0f 00 f7 d8 64 89 01 48
All code
========
   0:	5b                   	pop    %rbx
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
   b:	00 00 
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 9b 14 0f 00 	mov    0xf149b(%rip),%rcx        # 0xf14d5
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 9b 14 0f 00 	mov    0xf149b(%rip),%rcx        # 0xf14ab
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.853276][  T326] RSP: 002b:00007ffdf51d8828 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   21.853587][  T326] RAX: ffffffffffffffda RBX: 00005576e1cf5d30 RCX: 00007fe8d512292d
[   21.853907][  T326] RDX: 0000000000000000 RSI: 00005576dc3e8a2a RDI: 0000000000000001
[   21.854219][  T326] RBP: 0000000000040000 R08: 0000000000000000 R09: 00005576e1cf61a0
[   21.854553][  T326] R10: 0000000000000001 R11: 0000000000000246 R12: 00005576dc3e8a2a


Finger prints:
lockdep_init_map_type:gro_cells_init:ip_tunnel_init:register_netdevice:__ip_tunnel_create