======================================
| [   20.370162][  T281] ------------[ cut here ]------------
| [   20.370330][  T281] DEBUG_LOCKS_WARN_ON(1)
| [   20.370345][  T281] WARNING: CPU: 0 PID: 281 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7))
| [   20.370839][  T281] Modules linked in: ipip(+) veth
[   20.371330][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.371547][  T281] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7))
[   20.371788][  T281] Code: ff 4c 89 e6 48 c7 c7 70 5c 1d 94 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 54 1d 17 94 48 c7 c7 a1 19 17 94 e8 75 87 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 90 1e 17 94 48 c7 c7 a1 19
All code
========
   0:	ff 4c 89 e6          	decl   -0x1a(%rcx,%rcx,4)
   4:	48 c7 c7 70 5c 1d 94 	mov    $0xffffffff941d5c70,%rdi
   b:	e8 ee c9 01 00       	call   0x1c9fe
  10:	e9 3d ff ff ff       	jmp    0xffffffffffffff52
  15:	90                   	nop
  16:	48 c7 c6 54 1d 17 94 	mov    $0xffffffff94171d54,%rsi
  1d:	48 c7 c7 a1 19 17 94 	mov    $0xffffffff941719a1,%rdi
  24:	e8 75 87 e9 ff       	call   0xffffffffffe9879e
  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 90 1e 17 94 	mov    $0xffffffff94171e90,%rsi
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	c7                   	(bad)
  3e:	a1                   	.byte 0xa1
  3f:	19                   	.byte 0x19

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 90 1e 17 94 	mov    $0xffffffff94171e90,%rsi
  11:	48                   	rex.W
  12:	c7                   	.byte 0xc7
  13:	c7                   	(bad)
  14:	a1                   	.byte 0xa1
  15:	19                   	.byte 0x19
[   20.372412][  T281] RSP: 0018:ffffc90000b87490 EFLAGS: 00010282
[   20.372633][  T281] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   20.372901][  T281] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[   20.373171][  T281] RBP: ffffe8ffffc081b0 R08: 0000000000000000 R09: fffffbfff28be1f8
[   20.373438][  T281] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800a471dd0
[   20.373704][  T281] R13: 0000000000000000 R14: ffffe8ffffc07f98 R15: ffffe8ffffc07f40
[   20.373971][  T281] FS:  00007ff55ea39740(0000) GS:ffff8880a07ec000(0000) knlGS:0000000000000000
[   20.374278][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.374496][  T281] CR2: 00007fff7dd55598 CR3: 0000000008742003 CR4: 0000000000772ef0
[   20.374771][  T281] PKRU: 55555554
[   20.374909][  T281] Call Trace:
[   20.375040][  T281]  <TASK>
[   20.375131][  T281]  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)
[   20.375310][  T281]  ip_tunnel_init (net/ipv4/ip_tunnel.c:1298)
[   20.375488][  T281]  register_netdevice (net/core/dev.c:11309)
[   20.375673][  T281]  ? unregister_netdevice_queue (net/core/dev.c:11272)
[   20.375898][  T281]  ? alloc_netdev_mqs (net/core/dev.c:12076)
[   20.376076][  T281]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.376248][  T281]  ? ip_tunnel_add (net/ipv4/ip_tunnel.c:236)
[   20.376421][  T281]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.376595][  T281]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:1124)
[   20.376783][  T281]  ops_init (net/core/net_namespace.c:137)
[   20.376918][  T281]  register_pernet_operations (net/core/net_namespace.c:1315 net/core/net_namespace.c:1392)
[   20.377094][  T281]  ? ops_undo_list (net/core/net_namespace.c:1374)
[   20.377271][  T281]  ? rwsem_down_write_slowpath (kernel/locking/rwsem.c:1588)
[   20.377490][  T281]  ? _sub_I_65535_1 (net/ipv4/ipip.c:292) ipip
[   20.377672][  T281]  register_pernet_device (net/core/net_namespace.c:1479)
[   20.377847][  T281] ipip_init (net/ipv4/ipip.c:406 (discriminator 1)) ipip
[   20.378024][  T281]  do_one_initcall (init/main.c:1284)
[   20.378199][  T281]  ? trace_initcall_start (init/main.c:1274)
[   20.378380][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.378557][  T281]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 21))
[   20.378740][  T281]  ? __kmalloc_cache_noprof (mm/slub.c:5765)
[   20.378916][  T281]  ? debug_objects_oom (lib/debugobjects.c:1070)
[   20.379093][  T281]  ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182)
[   20.379271][  T281]  ? __asan_register_globals (mm/kasan/generic.c:242 (discriminator 3))
[   20.379447][  T281]  do_init_module (kernel/module/main.c:3039)
[   20.379622][  T281]  ? free_module (kernel/module/main.c:3011)
[   20.379799][  T281]  ? kfree (mm/slub.c:6630 mm/slub.c:6837)
[   20.379934][  T281]  ? load_module (kernel/module/main.c:2468 kernel/module/main.c:3504)
[   20.380109][  T281]  load_module (kernel/module/main.c:3509)
[   20.380287][  T281]  ? layout_and_allocate.constprop.0 (kernel/module/main.c:3353)
[   20.380501][  T281]  ? kernel_read_file (fs/kernel_read_file.c:80 (discriminator 2))
[   20.380680][  T281]  ? 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)
[   20.380854][  T281]  ? __ia32_sys_fsconfig (fs/kernel_read_file.c:38)
[   20.381031][  T281]  ? init_module_from_file (kernel/module/main.c:3701)
[   20.381205][  T281]  init_module_from_file (kernel/module/main.c:3701)
[   20.381380][  T281]  ? __do_sys_init_module (kernel/module/main.c:3677)
[   20.381557][  T281]  ? idempotent_init_module (kernel/module/main.c:3713)
[   20.381737][  T281]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.381913][  T281]  ? 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)
[   20.382085][  T281]  idempotent_init_module (kernel/module/main.c:3713)
[   20.382265][  T281]  ? init_module_from_file (kernel/module/main.c:3705)
[   20.382440][  T281]  ? cap_capable (security/commoncap.c:132)
[   20.382625][  T281]  __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)
[   20.382804][  T281]  ? 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)
[   20.382979][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.383156][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   20.383480][  T281] RIP: 0033:0x7ff55eb6092d
[   20.383667][  T281] 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
[   20.384437][  T281] RSP: 002b:00007fff7dd59638 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.384725][  T281] RAX: ffffffffffffffda RBX: 000055fc25190d30 RCX: 00007ff55eb6092d
[   20.385093][  T281] RDX: 0000000000000000 RSI: 000055fc224aca2a RDI: 0000000000000000
[   20.385354][  T281] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff7dd59770
[   20.385614][  T281] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc224aca2a


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