======================================
| [   21.286238][  T319] ip_gre: GRE over IPv4 tunneling driver
| [   21.353173][  T318] ------------[ cut here ]------------
| [ 21.353745][ T318] WARNING: CPU: 3 PID: 318 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) 
| [   21.354523][  T318] Modules linked in: ip_gre gre 8021q vrf veth
[   21.355667][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.356106][ T318] 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) 
[ 21.356467][ T318] 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
[   21.357780][  T318] RSP: 0018:ffffc90000a67000 EFLAGS: 00010246
[   21.358231][  T318] RAX: 0000000000000000 RBX: ffff888009bcc000 RCX: 0000000000000001
[   21.358781][  T318] RDX: 0000000000000000 RSI: ffffffff9ec9b939 RDI: ffffffff9e4555e0
[   21.359369][  T318] RBP: ffffc90000a670e8 R08: ffff888009bcc218 R09: 0000000000000000
[   21.359948][  T318] R10: ffffc90000a67118 R11: ffffffff9f179160 R12: 1ffff9200014ce04
[   21.360474][  T318] R13: 000000000000ffe7 R14: ffffc90000a67118 R15: ffff888009bcc218
[   21.361012][  T318] FS:  00007f392147c800(0000) GS:ffff88808e837000(0000) knlGS:0000000000000000
[   21.361614][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.362357][  T318] CR2: 00007f9b5791cd90 CR3: 000000000ac37004 CR4: 0000000000772ef0
[   21.362868][  T318] PKRU: 55555554
[   21.363139][  T318] Call Trace:
[   21.363413][  T318]  <TASK>
[ 21.363587][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.364040][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.364393][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.364745][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 21.365086][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.365470][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.365730][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.366090][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.366444][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.366792][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.367228][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.367579][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.367953][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 21.368332][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.368686][ T318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.369033][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.369419][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.369767][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.370098][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.370454][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.370812][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.371168][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.371517][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.371854][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.372202][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.372527][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.372879][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.373235][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.373612][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.373945][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.374304][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.374668][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.375019][ T318] ? 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) 
[ 21.375417][ T318] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.375750][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.376084][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.376468][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.376809][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.377148][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.377542][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.377923][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.378324][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.378755][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 21.379074][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.379426][ T318] ? __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) 
[ 21.379932][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.380280][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.380631][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.380967][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.381302][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.382880][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.383245][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 21.383592][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.384018][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.384370][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.384713][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.385070][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.385529][  T318] RIP: 0033:0x7f39216491e7
[ 21.385907][ T318] Code: Unable to access opcode bytes at 0x7f39216491bd.

Code starting with the faulting instruction
===========================================
[   21.386382][  T318] RSP: 002b:00007fff58734278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.386918][  T318] RAX: ffffffffffffffda RBX: 00007fff587349a0 RCX: 00007f39216491e7
[   21.395300][  T318] RDX: 0000000000000000 RSI: 00007fff587342e0 RDI: 0000000000000005
[   21.395834][  T318] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.396842][  T318] R10: 00007f3921546ee8 R11: 0000000000000246 R12: 00007fff587349c0
[   21.397362][  T318] R13: 00000000686e7185 R14: 0000000000499600 R15: 00007fff587343c4
| [   22.234185][  T329] ------------[ cut here ]------------
| [ 22.234626][ T329] WARNING: CPU: 1 PID: 329 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) 
| [   22.235281][  T329] Modules linked in: ip_gre gre 8021q vrf veth
| [   22.236789][  T329] Tainted: [W]=WARN
[   22.237036][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.237464][ T329] 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) 
[ 22.237828][ T329] 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
[   22.239013][  T329] RSP: 0018:ffffc90000a37000 EFLAGS: 00010246
[   22.239441][  T329] RAX: 0000000000000000 RBX: ffff88800acf9000 RCX: 0000000000000001
[   22.239904][  T329] RDX: 0000000000000000 RSI: ffffffff9ec9b939 RDI: ffffffff9e4555e0
[   22.240373][  T329] RBP: ffffc90000a370e8 R08: ffff88800acf9218 R09: 0000000000000000
[   22.240836][  T329] R10: ffffc90000a37118 R11: ffffffff9f179160 R12: 1ffff92000146e04
[   22.241312][  T329] R13: 000000000000ffe7 R14: ffffc90000a37118 R15: ffff88800acf9218
[   22.241773][  T329] FS:  00007f15270d3800(0000) GS:ffff88808e737000(0000) knlGS:0000000000000000
[   22.242332][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.242720][  T329] CR2: 00000000004e7390 CR3: 0000000005121006 CR4: 0000000000772ef0
[   22.243198][  T329] PKRU: 55555554
[   22.243437][  T329] Call Trace:
[   22.243669][  T329]  <TASK>
[ 22.243830][ T329] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.244235][ T329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.244549][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.244875][ T329] netif_set_mtu (net/core/dev.c:9652) 
[ 22.245196][ T329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.245535][ T329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.245776][ T329] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.246101][ T329] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.246429][ T329] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.246749][ T329] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.247151][ T329] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.247468][ T329] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.247776][ T329] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 22.248089][ T329] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.248404][ T329] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.248708][ T329] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.249018][ T329] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.249341][ T329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.249645][ T329] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.249959][ T329] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.250289][ T329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.250600][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.250916][ T329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.251237][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.251551][ T329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.251854][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.252177][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.252487][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.252832][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.253153][ T329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.253461][ T329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.253778][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.254082][ T329] ? 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) 
[ 22.254399][ T329] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.254709][ T329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.255022][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.255368][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.255681][ T329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.255988][ T329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.256318][ T329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.256636][ T329] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.256941][ T329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.257381][ T329] ___sys_sendmsg (net/socket.c:2670) 
[ 22.257695][ T329] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.258001][ T329] ? __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) 
[ 22.258395][ T329] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.258709][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.259025][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.259361][ T329] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.259685][ T329] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.259993][ T329] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.260334][ T329] __sys_sendmsg (net/socket.c:2700) 
[ 22.260638][ T329] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.261018][ T329] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.261350][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.261663][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.261972][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.262370][  T329] RIP: 0033:0x7f15272a01e7
[ 22.262691][ T329] 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)
[   22.263804][  T329] RSP: 002b:00007fffc5e9c658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.264287][  T329] RAX: ffffffffffffffda RBX: 00007fffc5e9cd80 RCX: 00007f15272a01e7
[   22.264750][  T329] RDX: 0000000000000000 RSI: 00007fffc5e9c6c0 RDI: 0000000000000005
[   22.265241][  T329] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   22.265713][  T329] R10: 00007f152719dee8 R11: 0000000000000246 R12: 00007fffc5e9cda0
[   22.266189][  T329] R13: 00000000686e7186 R14: 0000000000499600 R15: 00007fffc5e9c7a4
| [   25.333367][  T358] ------------[ cut here ]------------
| [ 25.333875][ T358] WARNING: CPU: 2 PID: 358 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) 
| [   25.334524][  T358] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.335611][  T358] Tainted: [W]=WARN
[   25.335866][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.336281][ T358] 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) 
[ 25.336618][ T358] 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
[   25.337745][  T358] RSP: 0018:ffffc90000a67000 EFLAGS: 00010246
[   25.338156][  T358] RAX: 0000000000000000 RBX: ffff8880078cc000 RCX: 0000000000000001
[   25.338633][  T358] RDX: 0000000000000000 RSI: ffffffff9ec9b939 RDI: ffffffff9e4555e0
[   25.339108][  T358] RBP: ffffc90000a670e8 R08: ffff8880078cc218 R09: 0000000000000000
[   25.339590][  T358] R10: ffffc90000a67118 R11: ffffffff9f179160 R12: 1ffff9200014ce04
[   25.340064][  T358] R13: 000000000000ffe7 R14: ffffc90000a67118 R15: ffff8880078cc218
[   25.340540][  T358] FS:  00007f71f9dab800(0000) GS:ffff88808e7b7000(0000) knlGS:0000000000000000
[   25.341097][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.341562][  T358] CR2: 00000000004e73d0 CR3: 000000000589d004 CR4: 0000000000772ef0
[   25.342036][  T358] PKRU: 55555554
[   25.342289][  T358] Call Trace:
[   25.342531][  T358]  <TASK>
[ 25.342701][ T358] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.343124][ T358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.343456][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.343786][ T358] netif_set_mtu (net/core/dev.c:9652) 
[ 25.344103][ T358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.344447][ T358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.344696][ T358] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.345015][ T358] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.345367][ T358] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.345696][ T358] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.346094][ T358] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.346430][ T358] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.346750][ T358] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.347071][ T358] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.347394][ T358] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.347710][ T358] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.348031][ T358] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.348375][ T358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.348689][ T358] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.349014][ T358] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.349349][ T358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.349674][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.350001][ T358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.350348][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.350677][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.350999][ T358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.351328][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.351650][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.351970][ T358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.352301][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.352620][ T358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.352951][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.353284][ T358] ? 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) 
[ 25.353607][ T358] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.353924][ T358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.354251][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.354575][ T358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.354898][ T358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.355227][ T358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.355577][ T358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.355904][ T358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.356233][ T358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.356640][ T358] ___sys_sendmsg (net/socket.c:2670) 
[ 25.356957][ T358] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.357288][ T358] ? __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) 
[ 25.357682][ T358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.358014][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.358352][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.358681][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.358997][ T358] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.359328][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.359660][ T358] __sys_sendmsg (net/socket.c:2700) 
[ 25.359978][ T358] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.360386][ T358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.360721][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.361044][ T358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.361379][ T358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.361780][  T358] RIP: 0033:0x7f71f9f781e7
[ 25.362122][ T358] 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)
[   25.363241][  T358] RSP: 002b:00007ffff12cc7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.363717][  T358] RAX: ffffffffffffffda RBX: 00007ffff12cced0 RCX: 00007f71f9f781e7
[   25.364197][  T358] RDX: 0000000000000000 RSI: 00007ffff12cc810 RDI: 0000000000000005
[   25.364679][  T358] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.365155][  T358] R10: 00007f71f9e75ee8 R11: 0000000000000246 R12: 00007ffff12ccef0
[   25.365641][  T358] R13: 00000000686e7189 R14: 0000000000499600 R15: 00007ffff12cc8f4
| [   26.099041][  T365] ------------[ cut here ]------------
| [ 26.099466][ T365] WARNING: CPU: 2 PID: 365 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) 
| [   26.100101][  T365] Modules linked in: ip_gre gre 8021q vrf veth
| [   26.101196][  T365] Tainted: [W]=WARN
[   26.101452][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.101852][ T365] 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) 
[ 26.102197][ T365] 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
[   26.103313][  T365] RSP: 0018:ffffc90000727000 EFLAGS: 00010246
[   26.103718][  T365] RAX: 0000000000000000 RBX: ffff8880052b9000 RCX: 0000000000000001
[   26.104204][  T365] RDX: 0000000000000000 RSI: ffffffff9ec9b939 RDI: ffffffff9e4555e0
[   26.104678][  T365] RBP: ffffc900007270e8 R08: ffff8880052b9218 R09: 0000000000000000
[   26.105162][  T365] R10: ffffc90000727118 R11: ffffffff9f179160 R12: 1ffff920000e4e04
[   26.105651][  T365] R13: 000000000000ffe7 R14: ffffc90000727118 R15: ffff8880052b9218
[   26.106139][  T365] FS:  00007f8412618800(0000) GS:ffff88808e7b7000(0000) knlGS:0000000000000000
[   26.106687][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.107084][  T365] CR2: 00000000004e73d0 CR3: 0000000009146002 CR4: 0000000000772ef0
[   26.107573][  T365] PKRU: 55555554
[   26.107817][  T365] Call Trace:
[   26.108062][  T365]  <TASK>
[ 26.108238][ T365] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.108640][ T365] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.108974][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.109317][ T365] netif_set_mtu (net/core/dev.c:9652) 
[ 26.109639][ T365] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.109976][ T365] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.110234][ T365] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.110555][ T365] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.110881][ T365] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.111232][ T365] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.111626][ T365] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.111955][ T365] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.112285][ T365] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 26.112616][ T365] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.112935][ T365] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.113266][ T365] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.113589][ T365] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.113915][ T365] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.114238][ T365] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.114562][ T365] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.114898][ T365] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.115233][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.115576][ T365] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.115891][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.116220][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.116536][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.116856][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.117184][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.117514][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.117833][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.118162][ T365] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.118497][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.118815][ T365] ? 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) 
[ 26.119144][ T365] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.119469][ T365] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.119793][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.120131][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.120462][ T365] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.120786][ T365] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.121128][ T365] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.121458][ T365] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.121781][ T365] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.122209][ T365] ___sys_sendmsg (net/socket.c:2670) 
[ 26.122529][ T365] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.122856][ T365] ? __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) 
[ 26.123267][ T365] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.123596][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.123925][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.124272][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.124619][ T365] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.124945][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.125290][ T365] __sys_sendmsg (net/socket.c:2700) 
[ 26.125622][ T365] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.126027][ T365] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.126371][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.126698][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.127033][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.127437][  T365] RIP: 0033:0x7f84127e51e7
[ 26.127772][ T365] 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)
[   26.128886][  T365] RSP: 002b:00007ffd933f1738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.129378][  T365] RAX: ffffffffffffffda RBX: 00007ffd933f1e60 RCX: 00007f84127e51e7
[   26.129850][  T365] RDX: 0000000000000000 RSI: 00007ffd933f17a0 RDI: 0000000000000005
[   26.130335][  T365] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   26.130807][  T365] R10: 00007f84126e2ee8 R11: 0000000000000246 R12: 00007ffd933f1e80


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