======================================
| [   20.912342][  T321] ip_gre: GRE over IPv4 tunneling driver
| [   20.973449][  T320] ------------[ cut here ]------------
| [ 20.974305][ T320] WARNING: CPU: 2 PID: 320 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) 
| [   20.975418][  T320] Modules linked in: ip_gre gre 8021q vrf veth
[   20.977338][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.978067][ T320] 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) 
[ 20.978666][ T320] 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
[   20.980632][  T320] RSP: 0018:ffffc90000807000 EFLAGS: 00010246
[   20.981340][  T320] RAX: 0000000000000000 RBX: ffff8880050a1000 RCX: 0000000000000001
[   20.982188][  T320] RDX: 0000000000000000 RSI: ffffffffb8a9b941 RDI: ffffffffb82555e0
[   20.983039][  T320] RBP: ffffc900008070e8 R08: ffff8880050a1218 R09: 0000000000000000
[   20.983896][  T320] R10: ffffc90000807118 R11: ffffffffb8f79160 R12: 1ffff92000100e04
[   20.984745][  T320] R13: 000000000000ffe7 R14: ffffc90000807118 R15: ffff8880050a1218
[   20.985622][  T320] FS:  00007f213ab02800(0000) GS:ffff88807b7b7000(0000) knlGS:0000000000000000
[   20.986609][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.993076][  T320] CR2: 00007ff36899d26f CR3: 000000000e4e9005 CR4: 0000000000772ef0
[   20.993864][  T320] PKRU: 55555554
[   20.994302][  T320] Call Trace:
[   20.994734][  T320]  <TASK>
[ 20.995049][ T320] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.995768][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.996361][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.998163][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 20.998747][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.999787][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.000246][ T320] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.000869][ T320] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.003554][ T320] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.004150][ T320] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.004873][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.005903][ T320] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.006457][ T320] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.007029][ T320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.007580][ T320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.008125][ T320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.008665][ T320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.009233][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.010246][ T320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.010814][ T320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.011401][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.011968][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.012541][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.013083][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.013644][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.014195][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.014742][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.015308][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.016267][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.016853][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.017397][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.018394][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.018949][ T320] ? 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) 
[ 21.019934][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.020483][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.021067][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.021650][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.022212][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.022762][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.023344][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.023909][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.024430][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.026398][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 21.026967][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.027536][ T320] ? __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) 
[ 21.028252][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.029548][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.029897][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.030233][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.030553][ T320] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.030895][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.031218][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 21.031535][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.031937][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.032492][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.032817][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.033368][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.033758][  T320] RIP: 0033:0x7f213accf1e7
[ 21.034119][ T320] Code: Unable to access opcode bytes at 0x7f213accf1bd.

Code starting with the faulting instruction
===========================================
[   21.034538][  T320] RSP: 002b:00007ffdd2e2f8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.035024][  T320] RAX: ffffffffffffffda RBX: 00007ffdd2e30000 RCX: 00007f213accf1e7
[   21.035963][  T320] RDX: 0000000000000000 RSI: 00007ffdd2e2f940 RDI: 0000000000000005
[   21.036894][  T320] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.037373][  T320] R10: 00007f213abccee8 R11: 0000000000000246 R12: 00007ffdd2e30020
[   21.037866][  T320] R13: 00000000686e3c64 R14: 0000000000499600 R15: 00007ffdd2e2fa24
| [   21.900455][  T331] ------------[ cut here ]------------
| [ 21.900810][ T331] WARNING: CPU: 1 PID: 331 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) 
| [   21.901443][  T331] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.902516][  T331] Tainted: [W]=WARN
[   21.902767][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.904404][ T331] 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) 
[ 21.904737][ T331] 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
[   21.905916][  T331] RSP: 0018:ffffc90000517000 EFLAGS: 00010246
[   21.906312][  T331] RAX: 0000000000000000 RBX: ffff888008409000 RCX: 0000000000000001
[   21.906775][  T331] RDX: 0000000000000000 RSI: ffffffffb8a9b941 RDI: ffffffffb82555e0
[   21.907256][  T331] RBP: ffffc900005170e8 R08: ffff888008409218 R09: 0000000000000000
[   21.907722][  T331] R10: ffffc90000517118 R11: ffffffffb8f79160 R12: 1ffff920000a2e04
[   21.908188][  T331] R13: 000000000000ffe7 R14: ffffc90000517118 R15: ffff888008409218
[   21.908669][  T331] FS:  00007f9ab67c3800(0000) GS:ffff88807b737000(0000) knlGS:0000000000000000
[   21.909220][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.909632][  T331] CR2: 00000000004e7390 CR3: 00000000094f2005 CR4: 0000000000772ef0
[   21.910097][  T331] PKRU: 55555554
[   21.910328][  T331] Call Trace:
[   21.910574][  T331]  <TASK>
[ 21.910732][ T331] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.911129][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.911556][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.911892][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 21.912199][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.912529][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.912764][ T331] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.913080][ T331] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.913398][ T331] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.913725][ T331] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.914115][ T331] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.914437][ T331] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.914750][ T331] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.915075][ T331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.915380][ T331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.915682][ T331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.915999][ T331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.916315][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.916619][ T331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.916941][ T331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.917256][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.917576][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.917905][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.918207][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.918527][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.918859][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.919186][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.919516][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.919851][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.920180][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.920501][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.920844][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.921167][ T331] ? 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) 
[ 21.921474][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.921801][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.922139][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.922465][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.922772][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.923094][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.923423][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.923735][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.924049][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.924445][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 21.924750][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.925064][ T331] ? __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) 
[ 21.925443][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.925754][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.926073][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.926385][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.926692][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.927006][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.927332][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 21.927633][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.928015][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.928332][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.928657][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.928978][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.929376][  T331] RIP: 0033:0x7f9ab69901e7
[ 21.929708][ T331] 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)
[   21.930824][  T331] RSP: 002b:00007ffd4dbccdf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.931311][  T331] RAX: ffffffffffffffda RBX: 00007ffd4dbcd520 RCX: 00007f9ab69901e7
[   21.931771][  T331] RDX: 0000000000000000 RSI: 00007ffd4dbcce60 RDI: 0000000000000005
[   21.932240][  T331] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.932698][  T331] R10: 00007f9ab688dee8 R11: 0000000000000246 R12: 00007ffd4dbcd540
[   21.933166][  T331] R13: 00000000686e3c65 R14: 0000000000499600 R15: 00007ffd4dbccf44
| [   24.868602][  T359] ------------[ cut here ]------------
| [ 24.869238][ T359] WARNING: CPU: 0 PID: 359 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) 
| [   24.869934][  T359] Modules linked in: ip_gre gre 8021q vrf veth
| [   24.871074][  T359] Tainted: [W]=WARN
[   24.871320][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.871726][ T359] 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) 
[ 24.872098][ T359] 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
[   24.873306][  T359] RSP: 0018:ffffc90000777000 EFLAGS: 00010246
[   24.873737][  T359] RAX: 0000000000000000 RBX: ffff888008401000 RCX: 0000000000000001
[   24.874262][  T359] RDX: 0000000000000000 RSI: ffffffffb8a9b941 RDI: ffffffffb82555e0
[   24.874757][  T359] RBP: ffffc900007770e8 R08: ffff888008401218 R09: 0000000000000000
[   24.875265][  T359] R10: ffffc90000777118 R11: ffffffffb8f79160 R12: 1ffff920000eee04
[   24.875760][  T359] R13: 000000000000ffe7 R14: ffffc90000777118 R15: ffff888008401218
[   24.876253][  T359] FS:  00007f04e886c800(0000) GS:ffff88807b6b7000(0000) knlGS:0000000000000000
[   24.876826][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.877245][  T359] CR2: 00000000004e73d0 CR3: 000000000e459005 CR4: 0000000000772ef0
[   24.877758][  T359] PKRU: 55555554
[   24.878025][  T359] Call Trace:
[   24.878268][  T359]  <TASK>
[ 24.878431][ T359] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.878851][ T359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.879199][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.879546][ T359] netif_set_mtu (net/core/dev.c:9652) 
[ 24.879895][ T359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.880244][ T359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.880488][ T359] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.880845][ T359] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.881178][ T359] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.881516][ T359] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.881949][ T359] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.882280][ T359] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.882603][ T359] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.882936][ T359] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.883252][ T359] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.883602][ T359] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.883945][ T359] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.884272][ T359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.884587][ T359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.884921][ T359] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.885254][ T359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.885577][ T359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.885917][ T359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.886233][ T359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.886559][ T359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.886890][ T359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.887213][ T359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.887535][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.887873][ T359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.888196][ T359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.888518][ T359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.888862][ T359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.889180][ T359] ? 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) 
[ 24.889514][ T359] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.889862][ T359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.890193][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.890545][ T359] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.890886][ T359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.891216][ T359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.891542][ T359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.891875][ T359] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.892193][ T359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.892600][ T359] ___sys_sendmsg (net/socket.c:2670) 
[ 24.892927][ T359] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.893250][ T359] ? __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) 
[ 24.893654][ T359] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.893988][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.894313][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.894638][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.894971][ T359] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.895294][ T359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.895625][ T359] __sys_sendmsg (net/socket.c:2700) 
[ 24.895957][ T359] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.896357][ T359] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.896692][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.897028][ T359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.897356][ T359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.897754][  T359] RIP: 0033:0x7f04e8a391e7
[ 24.898098][ T359] 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)
[   24.899251][  T359] RSP: 002b:00007fff3ae13b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.899756][  T359] RAX: ffffffffffffffda RBX: 00007fff3ae14250 RCX: 00007f04e8a391e7
[   24.900247][  T359] RDX: 0000000000000000 RSI: 00007fff3ae13b90 RDI: 0000000000000005
[   24.900731][  T359] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.901222][  T359] R10: 00007f04e8936ee8 R11: 0000000000000246 R12: 00007fff3ae14270
[   24.901693][  T359] R13: 00000000686e3c68 R14: 0000000000499600 R15: 00007fff3ae13c74
| [   25.642193][  T366] ------------[ cut here ]------------
| [ 25.642574][ T366] WARNING: CPU: 0 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) 
| [   25.643268][  T366] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.644420][  T366] Tainted: [W]=WARN
[   25.644680][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.645109][ 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) 
[ 25.645452][ 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
[   25.646662][  T366] RSP: 0018:ffffc900007c7000 EFLAGS: 00010246
[   25.647098][  T366] RAX: 0000000000000000 RBX: ffff88800aa59000 RCX: 0000000000000001
[   25.647593][  T366] RDX: 0000000000000000 RSI: ffffffffb8a9b941 RDI: ffffffffb82555e0
[   25.648093][  T366] RBP: ffffc900007c70e8 R08: ffff88800aa59218 R09: 0000000000000000
[   25.648581][  T366] R10: ffffc900007c7118 R11: ffffffffb8f79160 R12: 1ffff920000f8e04
[   25.649071][  T366] R13: 000000000000ffe7 R14: ffffc900007c7118 R15: ffff88800aa59218
[   25.649564][  T366] FS:  00007fd5636db800(0000) GS:ffff88807b6b7000(0000) knlGS:0000000000000000
[   25.650135][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.650539][  T366] CR2: 00000000004e73d0 CR3: 000000000e515002 CR4: 0000000000772ef0
[   25.651032][  T366] PKRU: 55555554
[   25.651278][  T366] Call Trace:
[   25.651522][  T366]  <TASK>
[ 25.651687][ T366] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.652102][ T366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.652439][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.652774][ T366] netif_set_mtu (net/core/dev.c:9652) 
[ 25.653121][ T366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.653465][ T366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.653719][ T366] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.654058][ T366] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.654391][ T366] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.654718][ T366] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.655159][ T366] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.655497][ T366] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.655898][ T366] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.656223][ T366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.656550][ T366] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.656895][ T366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.657227][ T366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.657567][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.657911][ T366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.658265][ T366] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.658606][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.658946][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.659281][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.659622][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.659971][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.660304][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.660645][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.660986][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.661327][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.661660][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.661999][ T366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.662333][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.662653][ 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) 
[ 25.662995][ T366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.663322][ T366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.663639][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.663975][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.664303][ T366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.664624][ T366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.664964][ T366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.665291][ T366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.665615][ T366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.666035][ T366] ___sys_sendmsg (net/socket.c:2670) 
[ 25.666355][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.666671][ 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) 
[ 25.667109][ T366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.667429][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.667755][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.668091][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.668405][ 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) 
[ 25.668720][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.669055][ T366] __sys_sendmsg (net/socket.c:2700) 
[ 25.669385][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.669797][ T366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.670143][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.670490][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.670817][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.671231][  T366] RIP: 0033:0x7fd5638a81e7
[ 25.671568][ 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)
[   25.672774][  T366] RSP: 002b:00007ffd1a2d5e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.673275][  T366] RAX: ffffffffffffffda RBX: 00007ffd1a2d65c0 RCX: 00007fd5638a81e7
[   25.673760][  T366] RDX: 0000000000000000 RSI: 00007ffd1a2d5f00 RDI: 0000000000000005
[   25.674248][  T366] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.674748][  T366] R10: 00007fd5637a5ee8 R11: 0000000000000246 R12: 00007ffd1a2d65e0


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