======================================
| [   26.485855][  T292] ip_gre: GRE over IPv4 tunneling driver
| [   26.678326][  T291] ------------[ cut here ]------------
| [ 26.679036][ T291] WARNING: CPU: 2 PID: 291 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.679883][  T291] Modules linked in: ip_gre gre macsec ipvlan
[   26.681341][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.681958][ T291] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.682340][ T291] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.683517][  T291] RSP: 0000:ffffc90000c07000 EFLAGS: 00010246
[   26.683937][  T291] RAX: 0000000000000000 RBX: ffff88800e509000 RCX: 0000000000000001
[   26.684434][  T291] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   26.684928][  T291] RBP: ffffc90000c070e8 R08: ffff88800e509218 R09: 0000000000000000
[   26.685412][  T291] R10: ffffc90000c07118 R11: ffff88800e509000 R12: 1ffff92000180e04
[   26.685897][  T291] R13: 00000000000005c4 R14: ffffc90000c07118 R15: ffff88800e509218
[   26.686391][  T291] FS:  00007fadb1f57800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   26.687314][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.687724][  T291] CR2: 00007f60758edff0 CR3: 000000000e3e4006 CR4: 0000000000772ef0
[   26.688227][  T291] PKRU: 55555554
[   26.688492][  T291] Call Trace:
[   26.688772][  T291]  <TASK>
[ 26.688951][ T291] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 26.689293][ T291] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.689628][ T291] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 26.689962][ T291] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 26.690298][ T291] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 26.690717][ T291] netif_set_mtu (net/core/dev.c:9652) 
[ 26.691066][ T291] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.691399][ T291] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 26.691733][ T291] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.691994][ T291] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.692361][ T291] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.692705][ T291] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.693055][ T291] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.693458][ T291] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.693805][ T291] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.694140][ T291] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 26.694465][ T291] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.694814][ T291] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.695147][ T291] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.695478][ T291] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.695828][ T291] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.696151][ T291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.696497][ T291] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.696842][ T291] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.697177][ T291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.697511][ T291] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.697849][ T291] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.698172][ T291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.698497][ T291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.698836][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.699164][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.699497][ T291] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.699831][ T291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.700161][ T291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.700638][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.701149][ T291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.701525][ T291] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.702442][ T291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.703012][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.705621][ T291] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.706233][ T291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.706817][ T291] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.707417][ T291] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.708023][ T291] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.708578][ T291] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.709335][ T291] ___sys_sendmsg (net/socket.c:2670) 
[ 26.709946][ T291] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.710550][ T291] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 26.711174][ T291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.712197][ T291] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 26.712819][ T291] ? __handle_mm_fault (mm/memory.c:6212) 
[ 26.713397][ T291] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 26.714001][ T291] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 26.714631][ T291] __sys_sendmsg (net/socket.c:2700) 
[ 26.716467][ T291] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.717068][ T291] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 26.717669][ T291] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 26.718307][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.719381][ T291] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.719992][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.720723][  T291] RIP: 0033:0x7fadb21241e7
[ 26.721811][ T291] Code: Unable to access opcode bytes at 0x7fadb21241bd.

Code starting with the faulting instruction
===========================================
[   26.722567][  T291] RSP: 002b:00007ffcb80f37c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.723459][  T291] RAX: ffffffffffffffda RBX: 00007ffcb80f3f00 RCX: 00007fadb21241e7
[   26.724346][  T291] RDX: 0000000000000000 RSI: 00007ffcb80f3830 RDI: 0000000000000003
[   26.725225][  T291] RBP: 0000000000000002 R08: 00000000000000a0 R09: 0000000000000000
[   26.726077][  T291] R10: 00007fadb201c6f8 R11: 0000000000000246 R12: 00007ffcb80f3f18
[   26.726960][  T291] R13: 00000000686e20c5 R14: 0000000000499600 R15: 00007ffcb80f3914
| [   27.674044][  T302] ------------[ cut here ]------------
| [ 27.674817][ T302] WARNING: CPU: 2 PID: 302 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   27.676060][  T302] Modules linked in: ip_gre gre macsec ipvlan
| [   27.678544][  T302] Tainted: [W]=WARN
[   27.679031][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.679802][ T302] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 27.680407][ T302] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   27.682073][  T302] RSP: 0018:ffffc900004d7000 EFLAGS: 00010246
[   27.682623][  T302] RAX: 0000000000000000 RBX: ffff88800a8bc000 RCX: 0000000000000001
[   27.683520][  T302] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   27.684435][  T302] RBP: ffffc900004d70e8 R08: ffff88800a8bc218 R09: 0000000000000000
[   27.685372][  T302] R10: ffffc900004d7118 R11: ffff88800a8bc000 R12: 1ffff9200009ae04
[   27.686307][  T302] R13: 00000000000005c8 R14: ffffc900004d7118 R15: ffff88800a8bc218
[   27.687307][  T302] FS:  00007f5b535be800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   27.688328][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.689078][  T302] CR2: 000000000043c2d0 CR3: 000000000f7e5003 CR4: 0000000000772ef0
[   27.690004][  T302] PKRU: 55555554
[   27.690447][  T302] Call Trace:
[   27.690896][  T302]  <TASK>
[ 27.691207][ T302] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 27.691815][ T302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.692360][ T302] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 27.692957][ T302] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 27.693534][ T302] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 27.694278][ T302] netif_set_mtu (net/core/dev.c:9652) 
[ 27.694881][ T302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.695486][ T302] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 27.696109][ T302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.696582][ T302] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 27.697242][ T302] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 27.697881][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.698406][ T302] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 27.699035][ T302] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 27.699606][ T302] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 27.700222][ T302] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.700827][ T302] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 27.701445][ T302] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 27.702031][ T302] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 27.702617][ T302] ? __dev_get_by_name (net/core/dev.c:865) 
[ 27.703255][ T302] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 27.703844][ T302] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 27.704436][ T302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.705037][ T302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 27.705683][ T302] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 27.706295][ T302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.706896][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.707485][ T302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.708071][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.708687][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.709389][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.710024][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.710674][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.711274][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.711915][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.712500][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.713209][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.713794][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 27.714375][ T302] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 27.714991][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.715571][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.716252][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.716879][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.717462][ T302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.718133][ T302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.718784][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.719372][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.720138][ T302] ___sys_sendmsg (net/socket.c:2670) 
[ 27.720700][ T302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.721284][ T302] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 27.721905][ T302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 27.722476][ T302] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 27.723084][ T302] ? __handle_mm_fault (mm/memory.c:6212) 
[ 27.723681][ T302] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 27.724325][ T302] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 27.724970][ T302] __sys_sendmsg (net/socket.c:2700) 
[ 27.725552][ T302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.726163][ T302] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 27.726721][ T302] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 27.727321][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.727945][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.728530][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.729252][  T302] RIP: 0033:0x7f5b5378b1e7
[ 27.729896][ T302] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   27.732057][  T302] RSP: 002b:00007ffc6f7fcf38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.732932][  T302] RAX: ffffffffffffffda RBX: 00007ffc6f7fd670 RCX: 00007f5b5378b1e7
[   27.733802][  T302] RDX: 0000000000000000 RSI: 00007ffc6f7fcfa0 RDI: 0000000000000003
[   27.734631][  T302] RBP: 0000000000000002 R08: 0000000000000058 R09: 0000000000000000
[   27.735500][  T302] R10: 00007f5b536836f8 R11: 0000000000000246 R12: 00007ffc6f7fd688
[   27.736372][  T302] R13: 00000000686e20c6 R14: 0000000000499600 R15: 00007ffc6f7fd084
| [   28.639849][  T305] ------------[ cut here ]------------
| [ 28.640259][ T305] WARNING: CPU: 2 PID: 305 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.640961][  T305] Modules linked in: ip_gre gre macsec ipvlan
| [   28.642440][  T305] Tainted: [W]=WARN
[   28.642699][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.643137][ T305] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.643490][ T305] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.644634][  T305] RSP: 0018:ffffc900004d7000 EFLAGS: 00010246
[   28.645065][  T305] RAX: 0000000000000000 RBX: ffff8880086d9000 RCX: 0000000000000001
[   28.645545][  T305] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   28.646036][  T305] RBP: ffffc900004d70e8 R08: ffff8880086d9218 R09: 0000000000000000
[   28.646516][  T305] R10: ffffc900004d7118 R11: ffff8880086d9000 R12: 1ffff9200009ae04
[   28.647031][  T305] R13: 00000000000005c8 R14: ffffc900004d7118 R15: ffff8880086d9218
[   28.647523][  T305] FS:  00007f01113d9800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   28.648097][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.648505][  T305] CR2: 0000000000442010 CR3: 000000000e491003 CR4: 0000000000772ef0
[   28.649002][  T305] PKRU: 55555554
[   28.649253][  T305] Call Trace:
[   28.649500][  T305]  <TASK>
[ 28.649671][ T305] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 28.650014][ T305] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.650336][ T305] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 28.650662][ T305] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 28.651015][ T305] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 28.651437][ T305] netif_set_mtu (net/core/dev.c:9652) 
[ 28.651788][ T305] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.652123][ T305] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 28.652474][ T305] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.652725][ T305] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 28.653066][ T305] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 28.653422][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.653757][ T305] ipip_newlink (net/ipv4/ipip.c:442) 
[ 28.654111][ T305] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 28.654437][ T305] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 28.654797][ T305] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 28.655134][ T305] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 28.655466][ T305] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 28.655798][ T305] ? __dev_get_by_name (net/core/dev.c:865) 
[ 28.656124][ T305] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.656456][ T305] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 28.656800][ T305] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.657125][ T305] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 28.657458][ T305] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 28.657805][ T305] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.658138][ T305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.658474][ T305] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.658819][ T305] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.659157][ T305] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.659484][ T305] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.659820][ T305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.660152][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.660488][ T305] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.660828][ T305] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.661153][ T305] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.661493][ T305] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.661826][ T305] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.662156][ T305] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 28.662496][ T305] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.662843][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.663182][ T305] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.663514][ T305] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.663863][ T305] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.664199][ T305] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.664526][ T305] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.664864][ T305] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.665278][ T305] ___sys_sendmsg (net/socket.c:2670) 
[ 28.665620][ T305] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.665961][ T305] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.666302][ T305] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.666634][ T305] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.666991][ T305] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.667334][ T305] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.667669][ T305] __sys_sendmsg (net/socket.c:2700) 
[ 28.668047][ T305] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.668397][ T305] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.668732][ T305] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.669084][ T305] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.669490][  T305] RIP: 0033:0x7f01115a61e7
[ 28.669848][ T305] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.671003][  T305] RSP: 002b:00007ffc62c83558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.671500][  T305] RAX: ffffffffffffffda RBX: 00007ffc62c83c90 RCX: 00007f01115a61e7
[   28.671997][  T305] RDX: 0000000000000000 RSI: 00007ffc62c835c0 RDI: 0000000000000003
[   28.672496][  T305] RBP: 0000000000000002 R08: 0000000000000090 R09: 0000000000000000
[   28.672991][  T305] R10: 00007f011149e6f8 R11: 0000000000000246 R12: 00007ffc62c83ca8
[   28.673489][  T305] R13: 00000000686e20c7 R14: 0000000000499600 R15: 00007ffc62c836a4
| [   38.126716][  T342] ------------[ cut here ]------------
| [ 38.128572][ T342] WARNING: CPU: 1 PID: 342 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.129320][  T342] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   38.130502][  T342] Tainted: [W]=WARN
[   38.130749][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.131167][ T342] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.131505][ T342] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.132686][  T342] RSP: 0018:ffffc900006c7000 EFLAGS: 00010246
[   38.133119][  T342] RAX: 0000000000000000 RBX: ffff888007e61000 RCX: 0000000000000001
[   38.133613][  T342] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   38.134110][  T342] RBP: ffffc900006c70e8 R08: ffff888007e61218 R09: 0000000000000000
[   38.134603][  T342] R10: ffffc900006c7118 R11: ffff888007e61000 R12: 1ffff920000d8e04
[   38.135093][  T342] R13: 00000000000005c4 R14: ffffc900006c7118 R15: ffff888007e61218
[   38.135577][  T342] FS:  00007f42a222e800(0000) GS:ffff8880c4e19000(0000) knlGS:0000000000000000
[   38.136162][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.136571][  T342] CR2: 0000000000436890 CR3: 0000000012449005 CR4: 0000000000772ef0
[   38.137073][  T342] PKRU: 55555554
[   38.137317][  T342] Call Trace:
[   38.137563][  T342]  <TASK>
[ 38.137731][ T342] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 38.138132][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.138452][ T342] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 38.138793][ T342] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 38.139133][ T342] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 38.139543][ T342] netif_set_mtu (net/core/dev.c:9652) 
[ 38.139877][ T342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.140209][ T342] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 38.140535][ T342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.140793][ T342] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 38.141121][ T342] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 38.141461][ T342] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 38.141809][ T342] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 38.142214][ T342] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.142560][ T342] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 38.143048][ T342] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 38.143571][ T342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 38.144122][ T342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 38.144648][ T342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 38.145048][ T342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 38.145400][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.145816][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 38.146147][ T342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 38.146494][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.146833][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.147185][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.147535][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.147878][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.148204][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.148560][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.148909][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.149241][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.149604][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.149947][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.150279][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.150600][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.150973][ T342] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.151343][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.151663][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.152013][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.152351][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.152672][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.153018][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.153340][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.153661][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.154086][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 38.154410][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.154740][ T342] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 38.155076][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 38.155397][ T342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 38.155721][ T342] ? __handle_mm_fault (mm/memory.c:6212) 
[ 38.156053][ T342] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 38.156377][ T342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 38.156725][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 38.157061][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.157386][ T342] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 38.157718][ T342] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 38.158060][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.158386][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.158712][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.159126][  T342] RIP: 0033:0x7f42a23fb1e7
[ 38.159464][ T342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.160647][  T342] RSP: 002b:00007fff46e14ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.161152][  T342] RAX: ffffffffffffffda RBX: 00007fff46e15420 RCX: 00007f42a23fb1e7
[   38.161644][  T342] RDX: 0000000000000000 RSI: 00007fff46e14d50 RDI: 0000000000000003
[   38.162144][  T342] RBP: 0000000000000002 R08: 00000000000000a8 R09: 0000000000000000
[   38.162640][  T342] R10: 00007f42a22f36f8 R11: 0000000000000246 R12: 00007fff46e15448
[   38.163133][  T342] R13: 00000000686e20d1 R14: 0000000000499600 R15: 00007fff46e14e3c
| [   38.945753][  T345] ------------[ cut here ]------------
| [ 38.946194][ T345] WARNING: CPU: 2 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.946863][  T345] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   38.948052][  T345] Tainted: [W]=WARN
[   38.948318][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.948727][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.949087][ T345] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.950284][  T345] RSP: 0018:ffffc900006e7000 EFLAGS: 00010246
[   38.950707][  T345] RAX: 0000000000000000 RBX: ffff888008411000 RCX: 0000000000000001
[   38.951234][  T345] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   38.951730][  T345] RBP: ffffc900006e70e8 R08: ffff888008411218 R09: 0000000000000000
[   38.952256][  T345] R10: ffffc900006e7118 R11: ffff888008411000 R12: 1ffff920000dce04
[   38.952772][  T345] R13: 00000000000005c8 R14: ffffc900006e7118 R15: ffff888008411218
[   38.953263][  T345] FS:  00007f98d88d9800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   38.953852][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.954272][  T345] CR2: 000000000043c2d0 CR3: 000000000a05a006 CR4: 0000000000772ef0
[   38.954782][  T345] PKRU: 55555554
[   38.955042][  T345] Call Trace:
[   38.955298][  T345]  <TASK>
[ 38.955476][ T345] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 38.955835][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.956173][ T345] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 38.956535][ T345] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 38.956895][ T345] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 38.957334][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 38.957675][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.958035][ T345] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 38.958377][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.958635][ T345] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 38.959000][ T345] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 38.959340][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.959680][ T345] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 38.960035][ T345] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 38.960371][ T345] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 38.960708][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.961056][ T345] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 38.961397][ T345] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 38.961729][ T345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 38.962072][ T345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 38.962420][ T345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 38.962751][ T345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 38.963104][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.963443][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 38.963833][ T345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 38.964188][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.964524][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.964891][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.965241][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.965579][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.965927][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.966279][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.966638][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.966996][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.967338][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.967683][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.968046][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.968379][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.968717][ T345] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.969066][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.969398][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.969742][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.970097][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.970429][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.970785][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.971124][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.971455][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.971888][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 38.972235][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.972594][ T345] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 38.972960][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 38.973292][ T345] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 38.973644][ T345] ? __handle_mm_fault (mm/memory.c:6212) 
[ 38.973992][ T345] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 38.974324][ T345] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 38.974682][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 38.975062][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.975395][ T345] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 38.975747][ T345] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 38.976096][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.976461][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.976826][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.977271][  T345] RIP: 0033:0x7f98d8aa61e7
[ 38.977649][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.978862][  T345] RSP: 002b:00007ffd3e1f1658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.979388][  T345] RAX: ffffffffffffffda RBX: 00007ffd3e1f1d90 RCX: 00007f98d8aa61e7
[   38.979898][  T345] RDX: 0000000000000000 RSI: 00007ffd3e1f16c0 RDI: 0000000000000003
[   38.980419][  T345] RBP: 0000000000000002 R08: 0000000000000060 R09: 0000000000000000
[   38.980946][  T345] R10: 00007f98d899e6f8 R11: 0000000000000246 R12: 00007ffd3e1f1db8
[   38.981443][  T345] R13: 00000000686e20d2 R14: 0000000000499600 R15: 00007ffd3e1f17ac
| [   39.947337][  T348] ------------[ cut here ]------------
| [ 39.948034][ T348] WARNING: CPU: 2 PID: 348 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.948974][  T348] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   39.950627][  T348] Tainted: [W]=WARN
[   39.950985][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.951546][ T348] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.952042][ T348] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.953701][  T348] RSP: 0018:ffffc900004e7000 EFLAGS: 00010246
[   39.954305][  T348] RAX: 0000000000000000 RBX: ffff888008921000 RCX: 0000000000000001
[   39.955009][  T348] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   39.955705][  T348] RBP: ffffc900004e70e8 R08: ffff888008921218 R09: 0000000000000000
[   39.956384][  T348] R10: ffffc900004e7118 R11: ffff888008921000 R12: 1ffff9200009ce04
[   39.957074][  T348] R13: 00000000000005c8 R14: ffffc900004e7118 R15: ffff888008921218
[   39.957728][  T348] FS:  00007f2ad1883800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   39.958562][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.959171][  T348] CR2: 0000000000442010 CR3: 000000001256e006 CR4: 0000000000772ef0
[   39.959864][  T348] PKRU: 55555554
[   39.960216][  T348] Call Trace:
[   39.960556][  T348]  <TASK>
[ 39.960823][ T348] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 39.961288][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.961802][ T348] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 39.962286][ T348] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 39.962748][ T348] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 39.963366][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 39.963853][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 39.964330][ T348] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 39.964815][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 39.965166][ T348] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 39.965637][ T348] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 39.966146][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.966624][ T348] ipip_newlink (net/ipv4/ipip.c:442) 
[ 39.967095][ T348] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 39.967560][ T348] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.968059][ T348] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 39.968524][ T348] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 39.969013][ T348] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 39.969462][ T348] ? __dev_get_by_name (net/core/dev.c:865) 
[ 39.969958][ T348] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 39.970438][ T348] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 39.970910][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.971365][ T348] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 39.971856][ T348] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 39.972347][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.972815][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.973323][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.973813][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.974277][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.974720][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.975213][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.975684][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.976157][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.976595][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.977095][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.977568][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.978020][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.978471][ T348] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 39.978965][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.979435][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.979921][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.980424][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.980912][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.981403][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.981900][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.982396][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.983023][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 39.983521][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.984027][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.984491][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.984977][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.985453][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.985941][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.986417][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 39.986900][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.987384][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.987856][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.988336][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.988910][  T348] RIP: 0033:0x7f2ad1a501e7
[ 39.989380][ T348] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.991042][  T348] RSP: 002b:00007fff8b849238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.991788][  T348] RAX: ffffffffffffffda RBX: 00007fff8b849970 RCX: 00007f2ad1a501e7
[   39.992462][  T348] RDX: 0000000000000000 RSI: 00007fff8b8492a0 RDI: 0000000000000003
[   39.993163][  T348] RBP: 0000000000000002 R08: 0000000000000098 R09: 0000000000000000
[   39.993878][  T348] R10: 00007f2ad19486f8 R11: 0000000000000246 R12: 00007fff8b849998
[   39.994560][  T348] R13: 00000000686e20d3 R14: 0000000000499600 R15: 00007fff8b84938c
| [   49.097909][  T381] ------------[ cut here ]------------
| [ 49.098377][ T381] WARNING: CPU: 2 PID: 381 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   49.099957][  T381] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   49.101109][  T381] Tainted: [W]=WARN
[   49.101357][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.101750][ T381] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 49.102086][ T381] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.103220][  T381] RSP: 0018:ffffc900009b7000 EFLAGS: 00010246
[   49.103629][  T381] RAX: 0000000000000000 RBX: ffff888008901000 RCX: 0000000000000001
[   49.104104][  T381] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   49.104574][  T381] RBP: ffffc900009b70e8 R08: ffff888008901218 R09: 0000000000000000
[   49.105059][  T381] R10: ffffc900009b7118 R11: ffff888008901000 R12: 1ffff92000136e04
[   49.105536][  T381] R13: 00000000000005c4 R14: ffffc900009b7118 R15: ffff888008901218
[   49.106017][  T381] FS:  00007fcf38fd7800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   49.106580][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.106990][  T381] CR2: 0000000000436890 CR3: 000000000a05a005 CR4: 0000000000772ef0
[   49.107463][  T381] PKRU: 55555554
[   49.107705][  T381] Call Trace:
[   49.107958][  T381]  <TASK>
[ 49.108128][ T381] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 49.108461][ T381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.108796][ T381] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 49.109115][ T381] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 49.109439][ T381] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 49.109853][ T381] netif_set_mtu (net/core/dev.c:9652) 
[ 49.110171][ T381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.110495][ T381] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 49.110826][ T381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.111074][ T381] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 49.111396][ T381] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 49.111722][ T381] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 49.112053][ T381] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 49.112382][ T381] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 49.112782][ T381] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.113108][ T381] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 49.113434][ T381] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 49.113753][ T381] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 49.114077][ T381] ? __dev_get_by_name (net/core/dev.c:865) 
[ 49.114394][ T381] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 49.114718][ T381] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 49.115051][ T381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.115373][ T381] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 49.115699][ T381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.116036][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.116370][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.116685][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.117016][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.117337][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.117659][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.117990][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.118320][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.118640][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.118968][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.119298][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.119614][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 49.119940][ T381] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.120264][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.120584][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.120918][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.121238][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.121558][ T381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.121888][ T381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.122209][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.122532][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.122953][ T381] ___sys_sendmsg (net/socket.c:2670) 
[ 49.123274][ T381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.123593][ T381] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 49.123925][ T381] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 49.124243][ T381] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 49.124565][ T381] ? __handle_mm_fault (mm/memory.c:6212) 
[ 49.124890][ T381] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 49.125213][ T381] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 49.125554][ T381] __sys_sendmsg (net/socket.c:2700) 
[ 49.125881][ T381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.126200][ T381] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 49.126525][ T381] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 49.126858][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.127179][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.127505][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.127902][  T381] RIP: 0033:0x7fcf391a41e7
[ 49.128235][ T381] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   49.129341][  T381] RSP: 002b:00007fffac1750a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.129832][  T381] RAX: ffffffffffffffda RBX: 00007fffac1757e0 RCX: 00007fcf391a41e7
[   49.130302][  T381] RDX: 0000000000000000 RSI: 00007fffac175110 RDI: 0000000000000003
[   49.130781][  T381] RBP: 0000000000000002 R08: 00000000000000a8 R09: 0000000000000000
[   49.131251][  T381] R10: 00007fcf39232ac0 R11: 0000000000000246 R12: 00007fffac175808
[   49.131727][  T381] R13: 00000000686e20dd R14: 0000000000499600 R15: 00007fffac1751fc
| [   49.949552][  T384] ------------[ cut here ]------------
| [ 49.950008][ T384] WARNING: CPU: 2 PID: 384 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   49.950625][  T384] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   49.951748][  T384] Tainted: [W]=WARN
[   49.952733][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.953141][ T384] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 49.953462][ T384] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.954573][  T384] RSP: 0018:ffffc90000a07000 EFLAGS: 00010246
[   49.954978][  T384] RAX: 0000000000000000 RBX: ffff888008a51000 RCX: 0000000000000001
[   49.955439][  T384] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   49.955910][  T384] RBP: ffffc90000a070e8 R08: ffff888008a51218 R09: 0000000000000000
[   49.956375][  T384] R10: ffffc90000a07118 R11: ffff888008a51000 R12: 1ffff92000140e04
[   49.956844][  T384] R13: 00000000000005c8 R14: ffffc90000a07118 R15: ffff888008a51218
[   49.957305][  T384] FS:  00007f76df5bb800(0000) GS:ffff8880c4e99000(0000) knlGS:0000000000000000
[   49.957853][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.958246][  T384] CR2: 000000000043c2d0 CR3: 000000000b497003 CR4: 0000000000772ef0
[   49.958708][  T384] PKRU: 55555554
[   49.958957][  T384] Call Trace:
[   49.959196][  T384]  <TASK>
[ 49.959360][ T384] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 49.959678][ T384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.959998][ T384] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 49.960312][ T384] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 49.960632][ T384] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 49.961039][ T384] netif_set_mtu (net/core/dev.c:9652) 
[ 49.961357][ T384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.961677][ T384] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 49.962003][ T384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.962252][ T384] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 49.962574][ T384] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 49.962906][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.963227][ T384] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 49.963545][ T384] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 49.963875][ T384] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 49.964186][ T384] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.964507][ T384] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 49.964834][ T384] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 49.965160][ T384] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 49.965467][ T384] ? __dev_get_by_name (net/core/dev.c:865) 
[ 49.965791][ T384] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 49.966104][ T384] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 49.966424][ T384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.966744][ T384] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 49.967087][ T384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.967404][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.967735][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.968056][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.968375][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.968686][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.969011][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.969325][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.969639][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.969961][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.970282][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.970604][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.970925][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 49.971240][ T384] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.971552][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.971873][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.972188][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.972519][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.972843][ T384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.973162][ T384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.973476][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.973797][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.974193][ T384] ___sys_sendmsg (net/socket.c:2670) 
[ 49.974506][ T384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.974841][ T384] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 49.975163][ T384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 49.975473][ T384] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 49.975799][ T384] ? __handle_mm_fault (mm/memory.c:6212) 
[ 49.976110][ T384] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 49.976421][ T384] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 49.976770][ T384] __sys_sendmsg (net/socket.c:2700) 
[ 49.977087][ T384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.977397][ T384] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 49.977720][ T384] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 49.978045][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.978360][ T384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.978674][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.979075][  T384] RIP: 0033:0x7f76df7881e7
[ 49.979399][ T384] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   49.980488][  T384] RSP: 002b:00007fffc182ad28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.980962][  T384] RAX: ffffffffffffffda RBX: 00007fffc182b460 RCX: 00007f76df7881e7
[   49.981431][  T384] RDX: 0000000000000000 RSI: 00007fffc182ad90 RDI: 0000000000000003
[   49.981901][  T384] RBP: 0000000000000002 R08: 0000000000000060 R09: 0000000000000000
[   49.982367][  T384] R10: 00007f76df816ac0 R11: 0000000000000246 R12: 00007fffc182b488
[   49.982835][  T384] R13: 00000000686e20de R14: 0000000000499600 R15: 00007fffc182ae7c
| [   50.811953][  T387] ------------[ cut here ]------------
| [ 50.812401][ T387] WARNING: CPU: 3 PID: 387 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   50.813011][  T387] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   50.814107][  T387] Tainted: [W]=WARN
[   50.814335][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.814742][ T387] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 50.815059][ T387] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   50.816163][  T387] RSP: 0018:ffffc90000a37000 EFLAGS: 00010246
[   50.816555][  T387] RAX: 0000000000000000 RBX: ffff888008fe1000 RCX: 0000000000000001
[   50.817014][  T387] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   50.817469][  T387] RBP: ffffc90000a370e8 R08: ffff888008fe1218 R09: 0000000000000000
[   50.817927][  T387] R10: ffffc90000a37118 R11: ffff888008fe1000 R12: 1ffff92000146e04
[   50.818376][  T387] R13: 00000000000005c8 R14: ffffc90000a37118 R15: ffff888008fe1218
[   50.818831][  T387] FS:  00007f9930a35800(0000) GS:ffff8880c4f19000(0000) knlGS:0000000000000000
[   50.819361][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.819738][  T387] CR2: 0000000000442010 CR3: 0000000012433002 CR4: 0000000000772ef0
[   50.820199][  T387] PKRU: 55555554
[   50.820427][  T387] Call Trace:
[   50.820651][  T387]  <TASK>
[ 50.820813][ T387] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 50.821113][ T387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.821415][ T387] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 50.821717][ T387] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 50.822028][ T387] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 50.822438][ T387] netif_set_mtu (net/core/dev.c:9652) 
[ 50.822740][ T387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 50.823057][ T387] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 50.823362][ T387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 50.823596][ T387] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 50.823908][ T387] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 50.824212][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.824515][ T387] ipip_newlink (net/ipv4/ipip.c:442) 
[ 50.824827][ T387] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 50.825127][ T387] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 50.825435][ T387] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 50.825739][ T387] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 50.826059][ T387] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 50.826355][ T387] ? __dev_get_by_name (net/core/dev.c:865) 
[ 50.826656][ T387] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 50.827000][ T387] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 50.827306][ T387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.827608][ T387] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 50.827930][ T387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.828235][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.828554][ T387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.828862][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.829165][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.829463][ T387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.829775][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.830079][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.830386][ T387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.830690][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.831000][ T387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.831312][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.831610][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 50.831919][ T387] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 50.832223][ T387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.832530][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.832848][ T387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.833153][ T387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.833485][ T387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.833893][ T387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.834201][ T387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.834501][ T387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.834926][ T387] ___sys_sendmsg (net/socket.c:2670) 
[ 50.835235][ T387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.835542][ T387] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.835853][ T387] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.836149][ T387] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.836451][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.836757][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.837073][ T387] __sys_sendmsg (net/socket.c:2700) 
[ 50.837371][ T387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.837688][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.838005][ T387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.838306][ T387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.838676][  T387] RIP: 0033:0x7f9930c021e7
[ 50.838995][ T387] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   50.840121][  T387] RSP: 002b:00007ffe688a0488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.840574][  T387] RAX: ffffffffffffffda RBX: 00007ffe688a0bc0 RCX: 00007f9930c021e7
[   50.841062][  T387] RDX: 0000000000000000 RSI: 00007ffe688a04f0 RDI: 0000000000000003
[   50.841512][  T387] RBP: 0000000000000002 R08: 0000000000000098 R09: 0000000000000000
[   50.841979][  T387] R10: 00007f9930c90ac0 R11: 0000000000000246 R12: 00007ffe688a0be8
[   50.842457][  T387] R13: 00000000686e20df R14: 0000000000499600 R15: 00007ffe688a05dc
| [   59.656707][  T420] ------------[ cut here ]------------
| [ 59.657678][ T420] WARNING: CPU: 3 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   59.658355][  T420] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   59.659520][  T420] Tainted: [W]=WARN
[   59.659771][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.660175][ T420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 59.660512][ T420] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   59.661704][  T420] RSP: 0018:ffffc90000ac7000 EFLAGS: 00010246
[   59.662119][  T420] RAX: 0000000000000000 RBX: ffff888008a51000 RCX: 0000000000000001
[   59.662610][  T420] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   59.663098][  T420] RBP: ffffc90000ac70e8 R08: ffff888008a51218 R09: 0000000000000000
[   59.663590][  T420] R10: ffffc90000ac7118 R11: ffff888008a51000 R12: 1ffff92000158e04
[   59.664082][  T420] R13: 00000000000005c4 R14: ffffc90000ac7118 R15: ffff888008a51218
[   59.664566][  T420] FS:  00007fbff2dea800(0000) GS:ffff8880c4f19000(0000) knlGS:0000000000000000
[   59.665172][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.665584][  T420] CR2: 0000000000436890 CR3: 000000000c45a005 CR4: 0000000000772ef0
[   59.666088][  T420] PKRU: 55555554
[   59.666337][  T420] Call Trace:
[   59.666580][  T420]  <TASK>
[ 59.666744][ T420] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 59.667083][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.667406][ T420] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 59.667729][ T420] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 59.668060][ T420] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 59.668473][ T420] netif_set_mtu (net/core/dev.c:9652) 
[ 59.668833][ T420] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 59.669175][ T420] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 59.669499][ T420] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 59.669741][ T420] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 59.670074][ T420] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 59.670401][ T420] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 59.670723][ T420] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 59.671063][ T420] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 59.671465][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 59.671818][ T420] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 59.672153][ T420] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 59.672487][ T420] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 59.672847][ T420] ? __dev_get_by_name (net/core/dev.c:865) 
[ 59.673176][ T420] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 59.673500][ T420] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 59.673855][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.674178][ T420] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 59.674506][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.674840][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.675172][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.675491][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.675822][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.676147][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.676468][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.676816][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.677156][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.677479][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.677808][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.678144][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.678469][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 59.678797][ T420] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 59.679122][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.679440][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.679775][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.680098][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.680418][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.680755][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.681116][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.681437][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.681865][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 59.682195][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.682535][ T420] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 59.682868][ T420] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 59.683195][ T420] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 59.683518][ T420] ? __handle_mm_fault (mm/memory.c:6212) 
[ 59.683850][ T420] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 59.684174][ T420] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 59.684514][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 59.684870][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.685204][ T420] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 59.685533][ T420] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 59.685864][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.686193][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.686515][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.686920][  T420] RIP: 0033:0x7fbff2fb71e7
[ 59.687253][ T420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   59.688417][  T420] RSP: 002b:00007ffe53240958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.688940][  T420] RAX: ffffffffffffffda RBX: 00007ffe53241090 RCX: 00007fbff2fb71e7
[   59.689432][  T420] RDX: 0000000000000000 RSI: 00007ffe532409c0 RDI: 0000000000000003
[   59.689930][  T420] RBP: 0000000000000002 R08: 00000000000000b0 R09: 0000000000000000
[   59.690414][  T420] R10: 00007fbff3045ac0 R11: 0000000000000246 R12: 00007ffe532410c8
[   59.690910][  T420] R13: 00000000686e20e6 R14: 0000000000499600 R15: 00007ffe53240ab4
| [   60.556047][  T423] ------------[ cut here ]------------
| [ 60.556616][ T423] WARNING: CPU: 3 PID: 423 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   60.557657][  T423] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   60.559533][  T423] Tainted: [W]=WARN
[   60.559935][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.560585][ T423] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 60.561126][ T423] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   60.563015][  T423] RSP: 0018:ffffc900009a7000 EFLAGS: 00010246
[   60.563680][  T423] RAX: 0000000000000000 RBX: ffff88800a8bc000 RCX: 0000000000000001
[   60.564491][  T423] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   60.565290][  T423] RBP: ffffc900009a70e8 R08: ffff88800a8bc218 R09: 0000000000000000
[   60.566086][  T423] R10: ffffc900009a7118 R11: ffff88800a8bc000 R12: 1ffff92000134e04
[   60.566896][  T423] R13: 00000000000005c8 R14: ffffc900009a7118 R15: ffff88800a8bc218
[   60.567689][  T423] FS:  00007f4f28047800(0000) GS:ffff8880c4f19000(0000) knlGS:0000000000000000
[   60.568623][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.569295][  T423] CR2: 000000000043c2d0 CR3: 000000000c629005 CR4: 0000000000772ef0
[   60.570093][  T423] PKRU: 55555554
[   60.570491][  T423] Call Trace:
[   60.570920][  T423]  <TASK>
[ 60.571189][ T423] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 60.571653][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.571961][ T423] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 60.572276][ T423] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 60.572581][ T423] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 60.572975][ T423] netif_set_mtu (net/core/dev.c:9652) 
[ 60.573276][ T423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.573592][ T423] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 60.573903][ T423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.574131][ T423] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 60.574432][ T423] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 60.574739][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.575072][ T423] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 60.575372][ T423] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 60.575678][ T423] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 60.575985][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 60.576295][ T423] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 60.576597][ T423] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 60.576911][ T423] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 60.577218][ T423] ? __dev_get_by_name (net/core/dev.c:865) 
[ 60.577516][ T423] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 60.577828][ T423] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 60.578135][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.578445][ T423] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 60.578780][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.579088][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.579401][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.579696][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.580005][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.580313][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.580612][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.580925][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.581229][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.581532][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.581840][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.582150][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.582468][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 60.582789][ T423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 60.583100][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.583400][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.583707][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.584016][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.584315][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.584622][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.584939][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.585236][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.585622][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 60.585930][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.586229][ T423] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 60.586532][ T423] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 60.586852][ T423] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 60.587155][ T423] ? __handle_mm_fault (mm/memory.c:6212) 
[ 60.587454][ T423] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 60.587750][ T423] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 60.588077][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 60.588376][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.588673][ T423] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 60.588991][ T423] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 60.589291][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.589590][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.589899][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.590268][  T423] RIP: 0033:0x7f4f282141e7
[ 60.590574][ T423] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   60.591662][  T423] RSP: 002b:00007ffc0d67aef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.592129][  T423] RAX: ffffffffffffffda RBX: 00007ffc0d67b630 RCX: 00007f4f282141e7
[   60.592614][  T423] RDX: 0000000000000000 RSI: 00007ffc0d67af60 RDI: 0000000000000003
[   60.593077][  T423] RBP: 0000000000000002 R08: 0000000000000068 R09: 0000000000000000
[   60.593523][  T423] R10: 00007f4f282a2ac0 R11: 0000000000000246 R12: 00007ffc0d67b668
[   60.593980][  T423] R13: 00000000686e20e7 R14: 0000000000499600 R15: 00007ffc0d67b054
| [   61.410557][  T426] ------------[ cut here ]------------
| [ 61.411042][ T426] WARNING: CPU: 3 PID: 426 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   61.411996][  T426] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   61.413775][  T426] Tainted: [W]=WARN
[   61.414174][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.414854][ T426] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 61.415393][ T426] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   61.417147][  T426] RSP: 0018:ffffc90000c07000 EFLAGS: 00010246
[   61.417717][  T426] RAX: 0000000000000000 RBX: ffff8880086d9000 RCX: 0000000000000001
[   61.418517][  T426] RDX: 0000000000000000 RSI: ffffffffa5b10759 RDI: ffffffffa5258280
[   61.419317][  T426] RBP: ffffc90000c070e8 R08: ffff8880086d9218 R09: 0000000000000000
[   61.420123][  T426] R10: ffffc90000c07118 R11: ffff8880086d9000 R12: 1ffff92000180e04
[   61.420920][  T426] R13: 00000000000005c8 R14: ffffc90000c07118 R15: ffff8880086d9218
[   61.421699][  T426] FS:  00007fe14742f800(0000) GS:ffff8880c4f19000(0000) knlGS:0000000000000000
[   61.422677][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.423359][  T426] CR2: 0000000000442010 CR3: 000000000e72f002 CR4: 0000000000772ef0
[   61.424161][  T426] PKRU: 55555554
[   61.424552][  T426] Call Trace:
[   61.424956][  T426]  <TASK>
[ 61.425221][ T426] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 61.425749][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.426284][ T426] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 61.426824][ T426] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 61.427359][ T426] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 61.428047][ T426] netif_set_mtu (net/core/dev.c:9652) 
[ 61.428568][ T426] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.429132][ T426] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 61.429665][ T426] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.430077][ T426] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 61.430602][ T426] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 61.431151][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.431684][ T426] ipip_newlink (net/ipv4/ipip.c:442) 
[ 61.432218][ T426] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 61.432757][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 61.433313][ T426] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 61.433869][ T426] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 61.434395][ T426] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 61.434938][ T426] ? __dev_get_by_name (net/core/dev.c:865) 
[ 61.435460][ T426] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 61.435996][ T426] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 61.436536][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.437084][ T426] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 61.437628][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.438179][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.438729][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.439268][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.439814][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.440338][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.440878][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.441409][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.441957][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.442485][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.443031][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.443576][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.444108][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 61.444634][ T426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 61.445182][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.445704][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.446256][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.446810][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.447331][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.447882][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.448408][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.448944][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.449619][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 61.450164][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.450700][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.451243][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.451774][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.452312][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.452870][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.453398][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 61.453939][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.454487][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.455036][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.455560][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.456217][  T426] RIP: 0033:0x7fe1475fc1e7
[ 61.456752][ T426] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   61.458661][  T426] RSP: 002b:00007ffce83581a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.459461][  T426] RAX: ffffffffffffffda RBX: 00007ffce83588e0 RCX: 00007fe1475fc1e7
[   61.460253][  T426] RDX: 0000000000000000 RSI: 00007ffce8358210 RDI: 0000000000000003
[   61.461046][  T426] RBP: 0000000000000002 R08: 00000000000000a0 R09: 0000000000000000
[   61.461856][  T426] R10: 00007fe14768aac0 R11: 0000000000000246 R12: 00007ffce8358918


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:vti_newlink
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipip_newlink