======================================
| [   20.399738][  T323] ip_gre: GRE over IPv4 tunneling driver
| [   20.462551][  T322] ------------[ cut here ]------------
| [ 20.463023][ T322] WARNING: CPU: 3 PID: 322 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) 
| [   20.463840][  T322] Modules linked in: ip_gre gre 8021q vrf veth
[   20.465351][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.466057][ T322] 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) 
[ 20.466635][ T322] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   20.468702][  T322] RSP: 0018:ffffc90000607000 EFLAGS: 00010246
[   20.469243][  T322] RAX: 0000000000000000 RBX: ffff88800e56c000 RCX: 0000000000000001
[   20.469720][  T322] RDX: 0000000000000000 RSI: ffffffffa0a9b941 RDI: ffffffffa02555e0
[   20.470223][  T322] RBP: ffffc900006070e8 R08: ffff88800e56c218 R09: 0000000000000000
[   20.470703][  T322] R10: ffffc90000607118 R11: ffffffffa0f79160 R12: 1ffff920000c0e04
[   20.471181][  T322] R13: 000000000000ffe7 R14: ffffc90000607118 R15: ffff88800e56c218
[   20.471653][  T322] FS:  00007f1049495800(0000) GS:ffff888093837000(0000) knlGS:0000000000000000
[   20.472199][  T322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.472619][  T322] CR2: 00007fb244176d90 CR3: 000000000e1c3002 CR4: 0000000000772ef0
[   20.479455][  T322] PKRU: 55555554
[   20.479707][  T322] Call Trace:
[   20.479942][  T322]  <TASK>
[ 20.480112][ T322] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.480511][ T322] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.481520][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.482289][ T322] netif_set_mtu (net/core/dev.c:9652) 
[ 20.482823][ T322] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.483372][ T322] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.483829][ T322] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.484151][ T322] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.484473][ T322] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.485453][ T322] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.485838][ T322] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.486161][ T322] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.486470][ T322] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.488116][ T322] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.488434][ T322] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.488739][ T322] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.489053][ T322] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.489365][ T322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.489668][ T322] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.489983][ T322] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.490297][ T322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.490603][ T322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.490918][ T322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.491231][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.491536][ T322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.491838][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.492151][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.492462][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.492772][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.493307][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.493615][ T322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.493934][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.494243][ T322] ? 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) 
[ 20.494545][ T322] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.494850][ T322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.495161][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.495488][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.495799][ T322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.496336][ T322] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.496883][ T322] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.497204][ T322] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.497508][ T322] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.497897][ T322] ___sys_sendmsg (net/socket.c:2670) 
[ 20.498208][ T322] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.498518][ T322] ? __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) 
[ 20.498899][ T322] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.499217][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.499541][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.499853][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.500170][ T322] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.500479][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.500801][ T322] __sys_sendmsg (net/socket.c:2700) 
[ 20.501113][ T322] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.501492][ T322] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.501808][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.502125][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.502871][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.503694][  T322] RIP: 0033:0x7f10496621e7
[ 20.504036][ T322] Code: Unable to access opcode bytes at 0x7f10496621bd.

Code starting with the faulting instruction
===========================================
[   20.504430][  T322] RSP: 002b:00007fff41d97cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.504891][  T322] RAX: ffffffffffffffda RBX: 00007fff41d98400 RCX: 00007f10496621e7
[   20.505355][  T322] RDX: 0000000000000000 RSI: 00007fff41d97d40 RDI: 0000000000000005
[   20.505815][  T322] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.506284][  T322] R10: 00007f104955fee8 R11: 0000000000000246 R12: 00007fff41d98420
[   20.506741][  T322] R13: 00000000686e1164 R14: 0000000000499600 R15: 00007fff41d97e24
| [   21.338320][  T333] ------------[ cut here ]------------
| [ 21.338654][ T333] WARNING: CPU: 3 PID: 333 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) 
| [   21.339280][  T333] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.340483][  T333] Tainted: [W]=WARN
[   21.340724][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.341363][ T333] 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) 
[ 21.341683][ T333] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   21.342847][  T333] RSP: 0018:ffffc90000617000 EFLAGS: 00010246
[   21.343242][  T333] RAX: 0000000000000000 RBX: ffff888005eac000 RCX: 0000000000000001
[   21.343703][  T333] RDX: 0000000000000000 RSI: ffffffffa0a9b941 RDI: ffffffffa02555e0
[   21.344174][  T333] RBP: ffffc900006170e8 R08: ffff888005eac218 R09: 0000000000000000
[   21.344633][  T333] R10: ffffc90000617118 R11: ffffffffa0f79160 R12: 1ffff920000c2e04
[   21.345103][  T333] R13: 000000000000ffe7 R14: ffffc90000617118 R15: ffff888005eac218
[   21.345586][  T333] FS:  00007f61022c2800(0000) GS:ffff888093837000(0000) knlGS:0000000000000000
[   21.346167][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.346571][  T333] CR2: 00000000004e7390 CR3: 000000000e1af002 CR4: 0000000000772ef0
[   21.347081][  T333] PKRU: 55555554
[   21.347310][  T333] Call Trace:
[   21.347539][  T333]  <TASK>
[ 21.347694][ T333] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.348095][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.348410][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.348730][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.349063][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.349407][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.349659][ T333] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.349981][ T333] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.350298][ T333] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.350607][ T333] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.351012][ T333] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.351329][ T333] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.351635][ T333] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.351954][ T333] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.352262][ T333] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.352563][ T333] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.352867][ T333] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.353190][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.353493][ T333] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.353802][ T333] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.354122][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.354434][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.354748][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.355073][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.355379][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.355680][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.355992][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.356303][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.356613][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.356935][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.357256][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.357573][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.357900][ T333] ? 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) 
[ 21.358216][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.358548][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.358857][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.359205][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.359520][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.359836][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.360155][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.360490][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.360819][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.361242][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.361549][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.361874][ T333] ? __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) 
[ 21.362298][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.362608][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.362931][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.363260][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.363561][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.363881][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.364227][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.364532][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.364938][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.365267][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.365578][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.365883][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.366294][  T333] RIP: 0033:0x7f610248f1e7
[ 21.366614][ T333] 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)
[   21.367770][  T333] RSP: 002b:00007ffc85a7ec18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.368249][  T333] RAX: ffffffffffffffda RBX: 00007ffc85a7f340 RCX: 00007f610248f1e7
[   21.368708][  T333] RDX: 0000000000000000 RSI: 00007ffc85a7ec80 RDI: 0000000000000005
[   21.369204][  T333] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.369685][  T333] R10: 00007f610238cee8 R11: 0000000000000246 R12: 00007ffc85a7f360
[   21.370164][  T333] R13: 00000000686e1166 R14: 0000000000499600 R15: 00007ffc85a7ed64
| [   24.841315][  T366] ------------[ cut here ]------------
| [ 24.841719][ T366] WARNING: CPU: 2 PID: 366 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) 
| [   24.842360][  T366] Modules linked in: ip_gre gre 8021q vrf veth
| [   24.843415][  T366] Tainted: [W]=WARN
[   24.843667][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.844072][ T366] 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) 
[ 24.844400][ T366] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   24.845514][  T366] RSP: 0018:ffffc900004d7000 EFLAGS: 00010246
[   24.845918][  T366] RAX: 0000000000000000 RBX: ffff88800f219000 RCX: 0000000000000001
[   24.846404][  T366] RDX: 0000000000000000 RSI: ffffffffa0a9b941 RDI: ffffffffa02555e0
[   24.846917][  T366] RBP: ffffc900004d70e8 R08: ffff88800f219218 R09: 0000000000000000
[   24.847411][  T366] R10: ffffc900004d7118 R11: ffffffffa0f79160 R12: 1ffff9200009ae04
[   24.847885][  T366] R13: 000000000000ffe7 R14: ffffc900004d7118 R15: ffff88800f219218
[   24.848379][  T366] FS:  00007f776c034800(0000) GS:ffff8880937b7000(0000) knlGS:0000000000000000
[   24.848934][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.849345][  T366] CR2: 00000000004e73d0 CR3: 000000000e29f003 CR4: 0000000000772ef0
[   24.849828][  T366] PKRU: 55555554
[   24.850088][  T366] Call Trace:
[   24.850336][  T366]  <TASK>
[ 24.850510][ T366] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.850918][ T366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.851256][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.851595][ T366] netif_set_mtu (net/core/dev.c:9652) 
[ 24.851920][ T366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.852284][ T366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.852530][ T366] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.852852][ T366] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.853190][ T366] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.853516][ T366] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.853912][ T366] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.854251][ T366] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.854585][ T366] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.854906][ T366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.855236][ T366] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.855556][ T366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.855877][ T366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.856212][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.856527][ T366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.856864][ T366] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.857203][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.857525][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.857853][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.858176][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.858495][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.858810][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.859137][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.859463][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.859787][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.860115][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.860436][ T366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.860767][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.861097][ T366] ? 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) 
[ 24.861416][ T366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.861740][ T366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.862067][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.862389][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.862715][ T366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.863051][ T366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.863378][ T366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.863699][ T366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.864029][ T366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.864433][ T366] ___sys_sendmsg (net/socket.c:2670) 
[ 24.864749][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.865075][ T366] ? __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) 
[ 24.865471][ T366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.865789][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.866123][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.866449][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.866769][ T366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.867105][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.867433][ T366] __sys_sendmsg (net/socket.c:2700) 
[ 24.867746][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.868145][ T366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.868476][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.868797][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.869131][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.869521][  T366] RIP: 0033:0x7f776c2011e7
[ 24.869846][ T366] 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)
[   24.870976][  T366] RSP: 002b:00007ffe14d495e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.871454][  T366] RAX: ffffffffffffffda RBX: 00007ffe14d49d10 RCX: 00007f776c2011e7
[   24.871923][  T366] RDX: 0000000000000000 RSI: 00007ffe14d49650 RDI: 0000000000000005
[   24.872400][  T366] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.872866][  T366] R10: 00007f776c0feee8 R11: 0000000000000246 R12: 00007ffe14d49d30
[   24.873350][  T366] R13: 00000000686e1169 R14: 0000000000499600 R15: 00007ffe14d49734
| [   25.582247][  T373] ------------[ cut here ]------------
| [ 25.582723][ T373] WARNING: CPU: 1 PID: 373 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) 
| [   25.583342][  T373] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.585984][  T373] Tainted: [W]=WARN
[   25.586227][  T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.586619][ T373] 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) 
[ 25.586995][ T373] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   25.588162][  T373] RSP: 0018:ffffc90000667000 EFLAGS: 00010246
[   25.588552][  T373] RAX: 0000000000000000 RBX: ffff888008674000 RCX: 0000000000000001
[   25.589021][  T373] RDX: 0000000000000000 RSI: ffffffffa0a9b941 RDI: ffffffffa02555e0
[   25.589481][  T373] RBP: ffffc900006670e8 R08: ffff888008674218 R09: 0000000000000000
[   25.589959][  T373] R10: ffffc90000667118 R11: ffffffffa0f79160 R12: 1ffff920000cce04
[   25.590418][  T373] R13: 000000000000ffe7 R14: ffffc90000667118 R15: ffff888008674218
[   25.590874][  T373] FS:  00007f282a79a800(0000) GS:ffff888093737000(0000) knlGS:0000000000000000
[   25.591411][  T373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.591804][  T373] CR2: 00000000004e73d0 CR3: 000000000e305005 CR4: 0000000000772ef0
[   25.592270][  T373] PKRU: 55555554
[   25.592500][  T373] Call Trace:
[   25.592727][  T373]  <TASK>
[ 25.592883][ T373] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.593277][ T373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.593583][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.593906][ T373] netif_set_mtu (net/core/dev.c:9652) 
[ 25.594235][ T373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.594555][ T373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.594784][ T373] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.595096][ T373] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.595408][ T373] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.595716][ T373] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.596111][ T373] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.596424][ T373] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.596730][ T373] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.597058][ T373] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.597361][ T373] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.597666][ T373] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.597980][ T373] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.598295][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.598601][ T373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.598910][ T373] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.599236][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.599550][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.599866][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.600180][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.600486][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.600795][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.601112][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.601422][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.601733][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.602046][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.602354][ T373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.602669][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.602987][ T373] ? 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) 
[ 25.603295][ T373] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.603603][ T373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.603906][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.604227][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.604535][ T373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.604839][ T373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.605160][ T373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.605476][ T373] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.605778][ T373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.606183][ T373] ___sys_sendmsg (net/socket.c:2670) 
[ 25.606483][ T373] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.606814][ T373] ? __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) 
[ 25.607206][ T373] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.607521][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.607831][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.608152][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.608457][ T373] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.608761][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.609080][ T373] __sys_sendmsg (net/socket.c:2700) 
[ 25.609384][ T373] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.609762][ T373] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.610092][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.610404][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.610709][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.611097][  T373] RIP: 0033:0x7f282a9671e7
[ 25.611413][ T373] 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)
[   25.612510][  T373] RSP: 002b:00007fffb3779698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.613010][  T373] RAX: ffffffffffffffda RBX: 00007fffb3779dc0 RCX: 00007f282a9671e7
[   25.613463][  T373] RDX: 0000000000000000 RSI: 00007fffb3779700 RDI: 0000000000000005
[   25.613918][  T373] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.614384][  T373] R10: 00007f282a864ee8 R11: 0000000000000246 R12: 00007fffb3779de0


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