======================================
| [   20.566571][  T321] ip_gre: GRE over IPv4 tunneling driver
| [   20.624576][  T320] ------------[ cut here ]------------
| [ 20.625172][ 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) 
| [   20.625859][  T320] Modules linked in: ip_gre gre 8021q vrf veth
[   20.627348][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.627777][ 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) 
[ 20.628139][ 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
[   20.629315][  T320] RSP: 0018:ffffc90000607000 EFLAGS: 00010246
[   20.629738][  T320] RAX: 0000000000000000 RBX: ffff88800bad9000 RCX: 0000000000000001
[   20.630243][  T320] RDX: 0000000000000000 RSI: ffffffffb4e9b941 RDI: ffffffffb46555e0
[   20.630743][  T320] RBP: ffffc900006070e8 R08: ffff88800bad9218 R09: 0000000000000000
[   20.631371][  T320] R10: ffffc90000607118 R11: ffffffffb5379160 R12: 1ffff920000c0e04
[   20.631875][  T320] R13: 000000000000ffe7 R14: ffffc90000607118 R15: ffff88800bad9218
[   20.632375][  T320] FS:  00007fcfb4052800(0000) GS:ffff88807f3b7000(0000) knlGS:0000000000000000
[   20.632964][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.633390][  T320] CR2: 00007fc5476086b0 CR3: 000000000e22c005 CR4: 0000000000772ef0
[   20.633905][  T320] PKRU: 55555554
[   20.634173][  T320] Call Trace:
[   20.634431][  T320]  <TASK>
[ 20.634621][ T320] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.635049][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.635387][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.635731][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 20.636080][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.636426][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.636682][ T320] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.637237][ T320] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.637579][ T320] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.637927][ T320] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.638337][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.638677][ T320] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.639019][ T320] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.639355][ T320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.639690][ T320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.640029][ T320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.640361][ T320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.640698][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.641035][ T320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.641416][ T320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.641759][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.642107][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.642457][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.642785][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.643128][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.643459][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.643788][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.644135][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.644470][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.644804][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.645145][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.645490][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.645817][ 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) 
[ 20.646164][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.646496][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.646836][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.647175][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.647510][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.647849][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.648190][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.648532][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.648869][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.649287][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 20.649619][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.649958][ 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) 
[ 20.650366][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.650697][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.651041][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.651395][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.651726][ 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) 
[ 20.652067][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.652406][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 20.652730][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.653149][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.653491][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.653833][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.654165][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.654565][  T320] RIP: 0033:0x7fcfb421f1e7
[ 20.654929][ T320] Code: Unable to access opcode bytes at 0x7fcfb421f1bd.

Code starting with the faulting instruction
===========================================
[   20.655355][  T320] RSP: 002b:00007fff9a41d968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.655855][  T320] RAX: ffffffffffffffda RBX: 00007fff9a41e090 RCX: 00007fcfb421f1e7
[   20.656347][  T320] RDX: 0000000000000000 RSI: 00007fff9a41d9d0 RDI: 0000000000000005
[   20.656856][  T320] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.657360][  T320] R10: 00007fcfb411cee8 R11: 0000000000000246 R12: 00007fff9a41e0b0
[   20.657856][  T320] R13: 00000000686e12aa R14: 0000000000499600 R15: 00007fff9a41dab4
| [   21.498762][  T331] ------------[ cut here ]------------
| [ 21.499148][ 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) 
| [   21.499799][  T331] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.500872][  T331] Tainted: [W]=WARN
[   21.501163][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.501563][ 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) 
[ 21.501903][ 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
[   21.503045][  T331] RSP: 0018:ffffc900005f7000 EFLAGS: 00010246
[   21.503451][  T331] RAX: 0000000000000000 RBX: ffff888008c39000 RCX: 0000000000000001
[   21.503934][  T331] RDX: 0000000000000000 RSI: ffffffffb4e9b941 RDI: ffffffffb46555e0
[   21.504422][  T331] RBP: ffffc900005f70e8 R08: ffff888008c39218 R09: 0000000000000000
[   21.504909][  T331] R10: ffffc900005f7118 R11: ffffffffb5379160 R12: 1ffff920000bee04
[   21.505390][  T331] R13: 000000000000ffe7 R14: ffffc900005f7118 R15: ffff888008c39218
[   21.505880][  T331] FS:  00007ffb9edad800(0000) GS:ffff88807f337000(0000) knlGS:0000000000000000
[   21.506462][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.506876][  T331] CR2: 00000000004e7390 CR3: 000000000e12f005 CR4: 0000000000772ef0
[   21.507354][  T331] PKRU: 55555554
[   21.507602][  T331] Call Trace:
[   21.507861][  T331]  <TASK>
[ 21.508027][ T331] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.508431][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.508749][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.509088][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 21.509411][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.509747][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.510005][ T331] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.510336][ T331] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.510672][ T331] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.511011][ T331] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.511429][ T331] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.511763][ T331] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.512106][ T331] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.512436][ T331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.512749][ T331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.513076][ T331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.513400][ T331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.513720][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.514045][ T331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.514375][ T331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.514702][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.515064][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.515414][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.515727][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.516057][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.516371][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.516689][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.517019][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.517345][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.517662][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.517998][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.518326][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.518641][ 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) 
[ 21.518974][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.519295][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.519611][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.519948][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.520277][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.520605][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.520945][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.521287][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.521614][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.522044][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 21.522378][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.522740][ 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) 
[ 21.523171][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.523506][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.523837][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.524166][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.524489][ 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) 
[ 21.524805][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.525155][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 21.525482][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.525885][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.526216][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.526547][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.526879][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.527273][  T331] RIP: 0033:0x7ffb9ef7a1e7
[ 21.527614][ 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)
[   21.528795][  T331] RSP: 002b:00007ffedcedac58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.529285][  T331] RAX: ffffffffffffffda RBX: 00007ffedcedb380 RCX: 00007ffb9ef7a1e7
[   21.529787][  T331] RDX: 0000000000000000 RSI: 00007ffedcedacc0 RDI: 0000000000000005
[   21.530278][  T331] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.530754][  T331] R10: 00007ffb9ee77ee8 R11: 0000000000000246 R12: 00007ffedcedb3a0
[   21.531254][  T331] R13: 00000000686e12ab R14: 0000000000499600 R15: 00007ffedcedada4
| [   24.522274][  T359] ------------[ cut here ]------------
| [ 24.522765][ T359] WARNING: CPU: 2 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) 
| [   24.523459][  T359] Modules linked in: ip_gre gre 8021q vrf veth
| [   24.524858][  T359] Tainted: [W]=WARN
[   24.525277][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.525930][ 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) 
[ 24.526530][ 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
[   24.529192][  T359] RSP: 0018:ffffc90000867000 EFLAGS: 00010246
[   24.529745][  T359] RAX: 0000000000000000 RBX: ffff88800badc000 RCX: 0000000000000001
[   24.530373][  T359] RDX: 0000000000000000 RSI: ffffffffb4e9b941 RDI: ffffffffb46555e0
[   24.531053][  T359] RBP: ffffc900008670e8 R08: ffff88800badc218 R09: 0000000000000000
[   24.531665][  T359] R10: ffffc90000867118 R11: ffffffffb5379160 R12: 1ffff9200010ce04
[   24.532323][  T359] R13: 000000000000ffe7 R14: ffffc90000867118 R15: ffff88800badc218
[   24.532932][  T359] FS:  00007f5a7cf8a800(0000) GS:ffff88807f3b7000(0000) knlGS:0000000000000000
[   24.533790][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.534321][  T359] CR2: 00007fc547526a00 CR3: 000000000e098002 CR4: 0000000000772ef0
[   24.535018][  T359] PKRU: 55555554
[   24.535333][  T359] Call Trace:
[   24.535740][  T359]  <TASK>
[ 24.536044][ T359] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.536632][ T359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.537095][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.537514][ T359] netif_set_mtu (net/core/dev.c:9652) 
[ 24.538063][ T359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.538513][ T359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.538898][ T359] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.539402][ T359] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.539967][ T359] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.540575][ T359] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.541302][ T359] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.541936][ T359] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.542516][ T359] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.543044][ T359] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.543547][ T359] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.544143][ T359] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.544730][ T359] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.545229][ T359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.545736][ T359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.546176][ T359] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.546713][ T359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.547311][ T359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.547736][ T359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.548219][ T359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.548787][ T359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.549235][ T359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.549653][ T359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.550136][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.550577][ T359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.550976][ T359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.551410][ T359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.551930][ T359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.552411][ 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) 
[ 24.552781][ T359] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.553142][ T359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.553491][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.553844][ T359] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.554182][ T359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.554527][ T359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.554878][ T359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.555281][ T359] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.555736][ T359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.556293][ T359] ___sys_sendmsg (net/socket.c:2670) 
[ 24.556842][ T359] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.557276][ 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) 
[ 24.557794][ T359] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.558252][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.558668][ T359] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.559164][ T359] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.559683][ 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) 
[ 24.560207][ T359] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.560618][ T359] __sys_sendmsg (net/socket.c:2700) 
[ 24.561052][ T359] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.561542][ T359] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.561994][ T359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.562439][ T359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.562969][ T359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.563487][  T359] RIP: 0033:0x7f5a7d1571e7
[ 24.563908][ 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)
[   24.565186][  T359] RSP: 002b:00007fffdacec638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.565731][  T359] RAX: ffffffffffffffda RBX: 00007fffdacecd60 RCX: 00007f5a7d1571e7
[   24.566514][  T359] RDX: 0000000000000000 RSI: 00007fffdacec6a0 RDI: 0000000000000005
[   24.567359][  T359] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.568238][  T359] R10: 00007f5a7d054ee8 R11: 0000000000000246 R12: 00007fffdacecd80
[   24.568994][  T359] R13: 00000000686e12ae R14: 0000000000499600 R15: 00007fffdacec784
| [   25.320978][  T366] ------------[ cut here ]------------
| [ 25.321609][ T366] WARNING: CPU: 1 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) 
| [   25.322707][  T366] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.324653][  T366] Tainted: [W]=WARN
[   25.325080][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.325766][ 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) 
[ 25.326340][ 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
[   25.328304][  T366] RSP: 0018:ffffc900008a7000 EFLAGS: 00010246
[   25.329050][  T366] RAX: 0000000000000000 RBX: ffff888005444000 RCX: 0000000000000001
[   25.329924][  T366] RDX: 0000000000000000 RSI: ffffffffb4e9b941 RDI: ffffffffb46555e0
[   25.330734][  T366] RBP: ffffc900008a70e8 R08: ffff888005444218 R09: 0000000000000000
[   25.331571][  T366] R10: ffffc900008a7118 R11: ffffffffb5379160 R12: 1ffff92000114e04
[   25.332420][  T366] R13: 000000000000ffe7 R14: ffffc900008a7118 R15: ffff888005444218
[   25.333257][  T366] FS:  00007f836273f800(0000) GS:ffff88807f337000(0000) knlGS:0000000000000000
[   25.334238][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.334956][  T366] CR2: 00007f82ad3ed000 CR3: 000000000c370004 CR4: 0000000000772ef0
[   25.335771][  T366] PKRU: 55555554
[   25.336201][  T366] Call Trace:
[   25.336613][  T366]  <TASK>
[ 25.336924][ T366] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.337615][ T366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.338182][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.338754][ T366] netif_set_mtu (net/core/dev.c:9652) 
[ 25.339312][ T366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.339915][ T366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.340335][ T366] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.340911][ T366] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.341507][ T366] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.342086][ T366] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.342761][ T366] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.343348][ T366] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.343932][ T366] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.344476][ T366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.345028][ T366] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.345588][ T366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.346158][ T366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.346704][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.347158][ T366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.347724][ T366] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.348346][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.348925][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.349459][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.349998][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.350560][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.351131][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.351493][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.351833][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.352163][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.352492][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.352815][ T366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.353154][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.353473][ 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) 
[ 25.353797][ T366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.354130][ T366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.354451][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.354782][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.355117][ T366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.355435][ T366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.355767][ T366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.356105][ T366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.356431][ T366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.356851][ T366] ___sys_sendmsg (net/socket.c:2670) 
[ 25.357177][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.357497][ 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) 
[ 25.357905][ T366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.358243][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.358564][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.358899][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.359220][ 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) 
[ 25.359540][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.359879][ T366] __sys_sendmsg (net/socket.c:2700) 
[ 25.360194][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.360592][ T366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.360934][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.361271][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.361595][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.362004][  T366] RIP: 0033:0x7f836290c1e7
[ 25.362344][ 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)
[   25.363485][  T366] RSP: 002b:00007ffd286e4198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.363976][  T366] RAX: ffffffffffffffda RBX: 00007ffd286e48c0 RCX: 00007f836290c1e7
[   25.364468][  T366] RDX: 0000000000000000 RSI: 00007ffd286e4200 RDI: 0000000000000005
[   25.364957][  T366] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.365431][  T366] R10: 00007f8362809ee8 R11: 0000000000000246 R12: 00007ffd286e48e0


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