======================================
| [  101.323408][  T775] ip_gre: GRE over IPv4 tunneling driver
| [  101.374704][  T774] ------------[ cut here ]------------
| [ 101.375253][ T774] WARNING: CPU: 2 PID: 774 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) 
| [  101.375903][  T774] Modules linked in: ip_gre gre 8021q vrf veth
[  101.376981][  T774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 101.377412][ T774] 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) 
[ 101.377769][ T774] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[  101.378918][  T774] RSP: 0018:ffffc90000527000 EFLAGS: 00010246
[  101.379358][  T774] RAX: 0000000000000000 RBX: ffff88800e404000 RCX: 0000000000000001
[  101.379913][  T774] RDX: 0000000000000000 RSI: ffffffff88e9b939 RDI: ffffffff886555e0
[  101.380443][  T774] RBP: ffffc900005270e8 R08: ffff88800e404218 R09: 0000000000000000
[  101.380936][  T774] R10: ffffc90000527118 R11: ffffffff89379160 R12: 1ffff920000a4e04
[  101.381452][  T774] R13: 000000000000ffe7 R14: ffffc90000527118 R15: ffff88800e404218
[  101.381945][  T774] FS:  00007f31b5c86800(0000) GS:ffff8880ab3b7000(0000) knlGS:0000000000000000
[  101.382532][  T774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.382940][  T774] CR2: 00007f8e5a46e530 CR3: 000000000e121005 CR4: 0000000000772ef0
[  101.383432][  T774] PKRU: 55555554
[  101.383692][  T774] Call Trace:
[  101.383952][  T774]  <TASK>
[ 101.384127][ T774] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 101.384881][ T774] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 101.385225][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.385561][ T774] netif_set_mtu (net/core/dev.c:9652) 
[ 101.385886][ T774] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 101.386236][ T774] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 101.386485][ T774] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 101.386811][ T774] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 101.387148][ T774] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 101.387490][ T774] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 101.387888][ T774] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 101.388233][ T774] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 101.388564][ T774] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 101.388890][ T774] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 101.389226][ T774] ? __dev_get_by_name (net/core/dev.c:865) 
[ 101.389550][ T774] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 101.389880][ T774] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 101.398627][ T774] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 101.399188][ T774] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 101.399549][ T774] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 101.399886][ T774] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 101.400259][ T774] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.400611][ T774] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 101.400965][ T774] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.401308][ T774] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 101.401633][ T774] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 101.401968][ T774] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.402554][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.402888][ T774] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 101.403242][ T774] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 101.403571][ T774] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 101.403906][ T774] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 101.404237][ T774] ? 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) 
[ 101.404789][ T774] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 101.405122][ T774] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 101.405681][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.406022][ T774] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 101.406365][ T774] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 101.406689][ T774] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 101.407030][ T774] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 101.407382][ T774] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 101.407707][ T774] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 101.408348][ T774] ___sys_sendmsg (net/socket.c:2670) 
[ 101.408904][ T774] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 101.409518][ T774] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 101.409920][ T774] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 101.410275][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.410602][ T774] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 101.410933][ T774] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 101.411295][ T774] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 101.411621][ T774] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 101.412009][ T774] __sys_sendmsg (net/socket.c:2700) 
[ 101.412352][ T774] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 101.412749][ T774] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 101.413132][ T774] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 101.413475][ T774] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 101.413867][ T774] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  101.414291][  T774] RIP: 0033:0x7f31b5e531e7
[ 101.414659][ T774] Code: Unable to access opcode bytes at 0x7f31b5e531bd.

Code starting with the faulting instruction
===========================================
[  101.415119][  T774] RSP: 002b:00007ffd2661d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  101.415648][  T774] RAX: ffffffffffffffda RBX: 00007ffd2661d790 RCX: 00007f31b5e531e7
[  101.416158][  T774] RDX: 0000000000000000 RSI: 00007ffd2661d0d0 RDI: 0000000000000005
[  101.416914][  T774] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[  101.417423][  T774] R10: 00007f31b5d50ee8 R11: 0000000000000246 R12: 00007ffd2661d7b0
[  101.417918][  T774] R13: 00000000686e6641 R14: 0000000000499600 R15: 00007ffd2661d1b4
| [  102.234459][  T788] ------------[ cut here ]------------
| [ 102.234906][ T788] WARNING: CPU: 3 PID: 788 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) 
| [  102.235546][  T788] Modules linked in: ip_gre gre 8021q vrf veth
| [  102.236948][  T788] Tainted: [W]=WARN
[  102.237187][  T788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 102.237589][ T788] 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) 
[ 102.237936][ T788] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[  102.239166][  T788] RSP: 0000:ffffc90000547000 EFLAGS: 00010246
[  102.239581][  T788] RAX: 0000000000000000 RBX: ffff888008a59000 RCX: 0000000000000001
[  102.240044][  T788] RDX: 0000000000000000 RSI: ffffffff88e9b939 RDI: ffffffff886555e0
[  102.240519][  T788] RBP: ffffc900005470e8 R08: ffff888008a59218 R09: 0000000000000000
[  102.240987][  T788] R10: ffffc90000547118 R11: ffffffff89379160 R12: 1ffff920000a8e04
[  102.241465][  T788] R13: 000000000000ffe7 R14: ffffc90000547118 R15: ffff888008a59218
[  102.241934][  T788] FS:  00007f3d82b35800(0000) GS:ffff8880ab437000(0000) knlGS:0000000000000000
[  102.242496][  T788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.242891][  T788] CR2: 00007f242ef21155 CR3: 0000000005150001 CR4: 0000000000772ef0
[  102.243370][  T788] PKRU: 55555554
[  102.243605][  T788] Call Trace:
[  102.243839][  T788]  <TASK>
[ 102.243997][ T788] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 102.244401][ T788] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 102.244712][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.245032][ T788] netif_set_mtu (net/core/dev.c:9652) 
[ 102.245359][ T788] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 102.245685][ T788] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 102.245922][ T788] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 102.246242][ T788] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 102.246564][ T788] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 102.246881][ T788] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 102.247298][ T788] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 102.247624][ T788] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 102.247938][ T788] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 102.248263][ T788] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 102.248576][ T788] ? __dev_get_by_name (net/core/dev.c:865) 
[ 102.248883][ T788] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 102.249198][ T788] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 102.249528][ T788] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 102.249839][ T788] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 102.250153][ T788] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 102.250482][ T788] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 102.250805][ T788] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.251125][ T788] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 102.251444][ T788] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.251757][ T788] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 102.252077][ T788] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 102.252420][ T788] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.252737][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.253051][ T788] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 102.253379][ T788] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 102.253691][ T788] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 102.254010][ T788] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 102.254327][ T788] ? 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) 
[ 102.254645][ T788] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 102.254967][ T788] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 102.255291][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.255609][ T788] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 102.255920][ T788] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 102.256239][ T788] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 102.256559][ T788] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 102.256879][ T788] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 102.257192][ T788] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 102.257609][ T788] ___sys_sendmsg (net/socket.c:2670) 
[ 102.257918][ T788] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 102.258238][ T788] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 102.258628][ T788] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 102.258941][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.259263][ T788] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 102.259587][ T788] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 102.259899][ T788] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 102.260219][ T788] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 102.260538][ T788] __sys_sendmsg (net/socket.c:2700) 
[ 102.260847][ T788] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 102.261244][ T788] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 102.261567][ T788] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 102.261884][ T788] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 102.262204][ T788] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  102.262595][  T788] RIP: 0033:0x7f3d82d021e7
[ 102.262915][ T788] 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)
[  102.264019][  T788] RSP: 002b:00007ffc18620e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  102.264498][  T788] RAX: ffffffffffffffda RBX: 00007ffc18621590 RCX: 00007f3d82d021e7
[  102.264959][  T788] RDX: 0000000000000000 RSI: 00007ffc18620ed0 RDI: 0000000000000005
[  102.265430][  T788] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[  102.265890][  T788] R10: 00007f3d82bffee8 R11: 0000000000000246 R12: 00007ffc186215b0
[  102.266362][  T788] R13: 00000000686e6642 R14: 0000000000499600 R15: 00007ffc18620fb4
| [  105.153972][  T816] ------------[ cut here ]------------
| [ 105.154571][ T816] WARNING: CPU: 3 PID: 816 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) 
| [  105.155196][  T816] Modules linked in: ip_gre gre 8021q vrf veth
| [  105.156261][  T816] Tainted: [W]=WARN
[  105.156497][  T816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.156884][ T816] 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) 
[ 105.157217][ T816] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[  105.158332][  T816] RSP: 0018:ffffc90000697000 EFLAGS: 00010246
[  105.158726][  T816] RAX: 0000000000000000 RBX: ffff888008e59000 RCX: 0000000000000001
[  105.159188][  T816] RDX: 0000000000000000 RSI: ffffffff88e9b939 RDI: ffffffff886555e0
[  105.159665][  T816] RBP: ffffc900006970e8 R08: ffff888008e59218 R09: 0000000000000000
[  105.160129][  T816] R10: ffffc90000697118 R11: ffffffff89379160 R12: 1ffff920000d2e04
[  105.160605][  T816] R13: 000000000000ffe7 R14: ffffc90000697118 R15: ffff888008e59218
[  105.161073][  T816] FS:  00007f73ba563800(0000) GS:ffff8880ab437000(0000) knlGS:0000000000000000
[  105.161632][  T816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.162035][  T816] CR2: 00007f8e5a755a00 CR3: 000000000e8c6005 CR4: 0000000000772ef0
[  105.162555][  T816] PKRU: 55555554
[  105.162788][  T816] Call Trace:
[  105.163019][  T816]  <TASK>
[ 105.163177][ T816] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 105.163577][ T816] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.163891][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.164225][ T816] netif_set_mtu (net/core/dev.c:9652) 
[ 105.164546][ T816] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.164887][ T816] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.165121][ T816] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 105.165439][ T816] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 105.165757][ T816] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 105.166072][ T816] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 105.166466][ T816] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 105.166783][ T816] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 105.167101][ T816] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 105.167419][ T816] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.167722][ T816] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.168030][ T816] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.168348][ T816] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.168661][ T816] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.168976][ T816] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.169306][ T816] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.169628][ T816] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.169939][ T816] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.170261][ T816] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.170565][ T816] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.170873][ T816] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.171182][ T816] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.171498][ T816] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.171814][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.172137][ T816] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.172472][ T816] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.172779][ T816] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.173095][ T816] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.173413][ T816] ? 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) 
[ 105.173719][ T816] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.174040][ T816] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.174357][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.174670][ T816] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.174980][ T816] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.175296][ T816] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.175614][ T816] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.175927][ T816] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.176252][ T816] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.176647][ T816] ___sys_sendmsg (net/socket.c:2670) 
[ 105.176950][ T816] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 105.177267][ T816] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 105.177649][ T816] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.177957][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.178289][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.178612][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.178917][ T816] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 105.179232][ T816] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.179546][ T816] __sys_sendmsg (net/socket.c:2700) 
[ 105.179853][ T816] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 105.180237][ T816] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.180557][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.180873][ T816] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.181178][ T816] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.181571][  T816] RIP: 0033:0x7f73ba7301e7
[ 105.181890][ T816] 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)
[  105.183010][  T816] RSP: 002b:00007ffc7462acc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.183489][  T816] RAX: ffffffffffffffda RBX: 00007ffc7462b3f0 RCX: 00007f73ba7301e7
[  105.183961][  T816] RDX: 0000000000000000 RSI: 00007ffc7462ad30 RDI: 0000000000000005
[  105.184427][  T816] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[  105.184881][  T816] R10: 00007f73ba62dee8 R11: 0000000000000246 R12: 00007ffc7462b410
[  105.185357][  T816] R13: 00000000686e6645 R14: 0000000000499600 R15: 00007ffc7462ae14
| [  105.933444][  T823] ------------[ cut here ]------------
| [ 105.933931][ T823] WARNING: CPU: 1 PID: 823 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) 
| [  105.934601][  T823] Modules linked in: ip_gre gre 8021q vrf veth
| [  105.935793][  T823] Tainted: [W]=WARN
[  105.936037][  T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 105.936459][ T823] 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) 
[ 105.936787][ T823] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[  105.937908][  T823] RSP: 0018:ffffc90000707000 EFLAGS: 00010246
[  105.938326][  T823] RAX: 0000000000000000 RBX: ffff88800ab99000 RCX: 0000000000000001
[  105.938804][  T823] RDX: 0000000000000000 RSI: ffffffff88e9b939 RDI: ffffffff886555e0
[  105.939281][  T823] RBP: ffffc900007070e8 R08: ffff88800ab99218 R09: 0000000000000000
[  105.939746][  T823] R10: ffffc90000707118 R11: ffffffff89379160 R12: 1ffff920000e0e04
[  105.940222][  T823] R13: 000000000000ffe7 R14: ffffc90000707118 R15: ffff88800ab99218
[  105.940688][  T823] FS:  00007ff76bb43800(0000) GS:ffff8880ab337000(0000) knlGS:0000000000000000
[  105.941238][  T823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  105.941627][  T823] CR2: 00005578c2cd9dec CR3: 0000000009ff8001 CR4: 0000000000772ef0
[  105.942105][  T823] PKRU: 55555554
[  105.942370][  T823] Call Trace:
[  105.942608][  T823]  <TASK>
[ 105.942776][ T823] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 105.943234][ T823] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 105.943550][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.943871][ T823] netif_set_mtu (net/core/dev.c:9652) 
[ 105.944186][ T823] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 105.944522][ T823] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 105.944763][ T823] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 105.945088][ T823] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 105.945423][ T823] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 105.945741][ T823] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 105.946130][ T823] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 105.946480][ T823] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 105.946797][ T823] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 105.947112][ T823] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 105.947458][ T823] ? __dev_get_by_name (net/core/dev.c:865) 
[ 105.947772][ T823] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.948089][ T823] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 105.948486][ T823] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 105.948801][ T823] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 105.949124][ T823] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 105.949464][ T823] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 105.949783][ T823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.950123][ T823] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 105.950444][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.950758][ T823] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 105.951066][ T823] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 105.951398][ T823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.951713][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.952038][ T823] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 105.952377][ T823] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 105.952687][ T823] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 105.953006][ T823] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 105.953326][ T823] ? 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) 
[ 105.953641][ T823] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 105.953955][ T823] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 105.954275][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.954593][ T823] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 105.954903][ T823] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 105.955224][ T823] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 105.955541][ T823] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 105.955854][ T823] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 105.956162][ T823] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 105.956573][ T823] ___sys_sendmsg (net/socket.c:2670) 
[ 105.956889][ T823] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 105.957195][ T823] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 105.957595][ T823] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 105.957904][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.958231][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 105.958545][ T823] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 105.958856][ T823] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 105.959166][ T823] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 105.959498][ T823] __sys_sendmsg (net/socket.c:2700) 
[ 105.959806][ T823] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 105.960183][ T823] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 105.960520][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 105.960832][ T823] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 105.961142][ T823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  105.961538][  T823] RIP: 0033:0x7ff76bd101e7
[ 105.961865][ T823] 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)
[  105.962980][  T823] RSP: 002b:00007ffc93a9e048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  105.963454][  T823] RAX: ffffffffffffffda RBX: 00007ffc93a9e770 RCX: 00007ff76bd101e7
[  105.963934][  T823] RDX: 0000000000000000 RSI: 00007ffc93a9e0b0 RDI: 0000000000000005
[  105.964469][  T823] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[  105.964928][  T823] R10: 00007ff76bc0dee8 R11: 0000000000000246 R12: 00007ffc93a9e790


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