======================================
| [   20.562265][  T322] ip_gre: GRE over IPv4 tunneling driver
| [   20.631930][  T321] ------------[ cut here ]------------
| [ 20.632453][ T321] WARNING: CPU: 1 PID: 321 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) 
| [   20.633077][  T321] Modules linked in: ip_gre gre 8021q vrf veth
[   20.634137][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.634529][ T321] 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) 
[ 20.634873][ T321] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.636001][  T321] RSP: 0018:ffffc900005f7000 EFLAGS: 00010246
[   20.636390][  T321] RAX: 0000000000000000 RBX: ffff88800d244000 RCX: 0000000000000001
[   20.636864][  T321] RDX: 0000000000000000 RSI: ffffffffad49b939 RDI: ffffffffacc555e0
[   20.637342][  T321] RBP: ffffc900005f70e8 R08: ffff88800d244218 R09: 0000000000000000
[   20.637820][  T321] R10: ffffc900005f7118 R11: ffffffffad979160 R12: 1ffff920000bee04
[   20.638295][  T321] R13: 000000000000ffe7 R14: ffffc900005f7118 R15: ffff88800d244218
[   20.638767][  T321] FS:  00007f0b0406d800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[   20.639313][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.639706][  T321] CR2: 00007fa473a6c6b0 CR3: 0000000009331002 CR4: 0000000000772ef0
[   20.640378][  T321] PKRU: 55555554
[   20.640618][  T321] Call Trace:
[   20.640860][  T321]  <TASK>
[ 20.641020][ T321] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.641411][ T321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.641735][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.642056][ T321] netif_set_mtu (net/core/dev.c:9652) 
[ 20.642367][ T321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.642693][ T321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.642938][ T321] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.643245][ T321] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.643558][ T321] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.643880][ T321] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.644266][ T321] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.644589][ T321] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.644925][ T321] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 20.645237][ T321] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.645542][ T321] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.645858][ T321] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.646167][ T321] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.646483][ T321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.646802][ T321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.647121][ T321] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.647443][ T321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.647764][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.648085][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.648393][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.648707][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.649025][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.649331][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.649645][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.649967][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.650274][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.650584][ T321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.650911][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.651215][ T321] ? 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) 
[ 20.651521][ T321] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.651845][ T321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.652153][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.652464][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.652791][ T321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.653102][ T321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.653417][ T321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.653736][ T321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.654048][ T321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.654444][ T321] ___sys_sendmsg (net/socket.c:2670) 
[ 20.654774][ T321] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.655083][ T321] ? __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) 
[ 20.655465][ T321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.655786][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.656099][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.656416][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.656732][ T321] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.657041][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.657356][ T321] __sys_sendmsg (net/socket.c:2700) 
[ 20.657662][ T321] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.658053][ T321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.658372][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.658685][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.659005][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.659392][  T321] RIP: 0033:0x7f0b0423a1e7
[ 20.659731][ T321] Code: Unable to access opcode bytes at 0x7f0b0423a1bd.

Code starting with the faulting instruction
===========================================
[   20.660127][  T321] RSP: 002b:00007ffd67f9b518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.660593][  T321] RAX: ffffffffffffffda RBX: 00007ffd67f9bc40 RCX: 00007f0b0423a1e7
[   20.661068][  T321] RDX: 0000000000000000 RSI: 00007ffd67f9b580 RDI: 0000000000000005
[   20.661533][  T321] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.662005][  T321] R10: 00007f0b04137ee8 R11: 0000000000000246 R12: 00007ffd67f9bc60
[   20.662472][  T321] R13: 00000000686e64d6 R14: 0000000000499600 R15: 00007ffd67f9b664
| [   21.503277][  T332] ------------[ cut here ]------------
| [ 21.503754][ T332] WARNING: CPU: 0 PID: 332 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) 
| [   21.504382][  T332] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.505435][  T332] Tainted: [W]=WARN
[   21.505680][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.506084][ T332] 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) 
[ 21.506411][ T332] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.507549][  T332] RSP: 0018:ffffc900005e7000 EFLAGS: 00010246
[   21.507955][  T332] RAX: 0000000000000000 RBX: ffff888005359000 RCX: 0000000000000001
[   21.508429][  T332] RDX: 0000000000000000 RSI: ffffffffad49b939 RDI: ffffffffacc555e0
[   21.508927][  T332] RBP: ffffc900005e70e8 R08: ffff888005359218 R09: 0000000000000000
[   21.509408][  T332] R10: ffffc900005e7118 R11: ffffffffad979160 R12: 1ffff920000bce04
[   21.509891][  T332] R13: 000000000000ffe7 R14: ffffc900005e7118 R15: ffff888005359218
[   21.510362][  T332] FS:  00007fe77a145800(0000) GS:ffff88807feb7000(0000) knlGS:0000000000000000
[   21.510922][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.511315][  T332] CR2: 00000000004e7390 CR3: 000000000d328003 CR4: 0000000000772ef0
[   21.511803][  T332] PKRU: 55555554
[   21.512052][  T332] Call Trace:
[   21.512289][  T332]  <TASK>
[ 21.512453][ T332] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.512867][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.513185][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.513509][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 21.513833][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.514165][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.514402][ T332] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.514741][ T332] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.515070][ T332] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.515388][ T332] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.515786][ T332] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.516117][ T332] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.516433][ T332] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 21.516778][ T332] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.517101][ T332] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.517420][ T332] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.517745][ T332] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.518068][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.518376][ T332] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.518697][ T332] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.519048][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.519367][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.519733][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.520048][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.520358][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.520666][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.520985][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.521298][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.521630][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.521950][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.522268][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.522587][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.522903][ T332] ? 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) 
[ 21.523212][ T332] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.523523][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.523854][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.524166][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.524481][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.524807][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.525122][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.525434][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.525765][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.526158][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 21.526462][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.526787][ T332] ? __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) 
[ 21.527171][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.527482][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.527819][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.528130][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.528435][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.528752][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.529065][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 21.529372][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.529776][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.530096][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.530404][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.530711][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.531102][  T332] RIP: 0033:0x7fe77a3121e7
[ 21.531420][ T332] 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)
[   21.532539][  T332] RSP: 002b:00007fffc4ad3d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.533013][  T332] RAX: ffffffffffffffda RBX: 00007fffc4ad4480 RCX: 00007fe77a3121e7
[   21.533470][  T332] RDX: 0000000000000000 RSI: 00007fffc4ad3dc0 RDI: 0000000000000005
[   21.533957][  T332] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.534429][  T332] R10: 00007fe77a20fee8 R11: 0000000000000246 R12: 00007fffc4ad44a0
[   21.534936][  T332] R13: 00000000686e64d7 R14: 0000000000499600 R15: 00007fffc4ad3ea4
| [   24.939425][  T365] ------------[ cut here ]------------
| [ 24.939963][ T365] WARNING: CPU: 3 PID: 365 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.940572][  T365] Modules linked in: ip_gre gre 8021q vrf veth
| [   24.941599][  T365] Tainted: [W]=WARN
[   24.941840][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.942225][ T365] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.942552][ T365] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.943655][  T365] RSP: 0018:ffffc90000647000 EFLAGS: 00010246
[   24.944050][  T365] RAX: 0000000000000000 RBX: ffff888005609000 RCX: 0000000000000001
[   24.944511][  T365] RDX: 0000000000000000 RSI: ffffffffad49b939 RDI: ffffffffacc555e0
[   24.945034][  T365] RBP: ffffc900006470e8 R08: ffff888005609218 R09: 0000000000000000
[   24.945492][  T365] R10: ffffc90000647118 R11: ffffffffad979160 R12: 1ffff920000c8e04
[   24.945970][  T365] R13: 000000000000ffe7 R14: ffffc90000647118 R15: ffff888005609218
[   24.946439][  T365] FS:  00007f4e8e2b1800(0000) GS:ffff888080037000(0000) knlGS:0000000000000000
[   24.946981][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.947362][  T365] CR2: 00000000004e73d0 CR3: 000000000e9dc006 CR4: 0000000000772ef0
[   24.947831][  T365] PKRU: 55555554
[   24.948059][  T365] Call Trace:
[   24.948285][  T365]  <TASK>
[ 24.948468][ T365] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.948878][ T365] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.949196][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.949514][ T365] netif_set_mtu (net/core/dev.c:9652) 
[ 24.949829][ T365] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.950152][ T365] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.950383][ T365] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.950689][ T365] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.951017][ T365] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.951327][ T365] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.951710][ T365] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.952031][ T365] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.952340][ T365] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 24.952646][ T365] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.952959][ T365] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.953268][ T365] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.953574][ T365] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.953899][ T365] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.954226][ T365] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.954535][ T365] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.954873][ T365] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.955187][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.955502][ T365] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.955821][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.956158][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.956462][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.956778][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.957090][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.957403][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.957711][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.958051][ T365] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.958368][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.958673][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.958993][ T365] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.959301][ T365] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.959609][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.959934][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.960246][ T365] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.960550][ T365] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.960876][ T365] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.961185][ T365] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.961486][ T365] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.961890][ T365] ___sys_sendmsg (net/socket.c:2670) 
[ 24.962194][ T365] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.962502][ T365] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.962895][ T365] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.963204][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.963510][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.963831][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.964144][ T365] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.964446][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.964782][ T365] __sys_sendmsg (net/socket.c:2700) 
[ 24.965106][ T365] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.965484][ T365] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.965815][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.966131][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.966436][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.966820][  T365] RIP: 0033:0x7f4e8e47e1e7
[ 24.967148][ T365] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.968266][  T365] RSP: 002b:00007fffc4a38238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.968751][  T365] RAX: ffffffffffffffda RBX: 00007fffc4a38960 RCX: 00007f4e8e47e1e7
[   24.969228][  T365] RDX: 0000000000000000 RSI: 00007fffc4a382a0 RDI: 0000000000000005
[   24.969689][  T365] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.970171][  T365] R10: 00007f4e8e37bee8 R11: 0000000000000246 R12: 00007fffc4a38980
[   24.970626][  T365] R13: 00000000686e64da R14: 0000000000499600 R15: 00007fffc4a38384
| [   25.637037][  T372] ------------[ cut here ]------------
| [ 25.637395][ T372] WARNING: CPU: 3 PID: 372 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) 
| [   25.638050][  T372] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.639084][  T372] Tainted: [W]=WARN
[   25.639320][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.639706][ T372] 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) 
[ 25.640040][ T372] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.641172][  T372] RSP: 0018:ffffc900007d7000 EFLAGS: 00010246
[   25.641572][  T372] RAX: 0000000000000000 RBX: ffff88800eaa4000 RCX: 0000000000000001
[   25.642075][  T372] RDX: 0000000000000000 RSI: ffffffffad49b939 RDI: ffffffffacc555e0
[   25.642553][  T372] RBP: ffffc900007d70e8 R08: ffff88800eaa4218 R09: 0000000000000000
[   25.643199][  T372] R10: ffffc900007d7118 R11: ffffffffad979160 R12: 1ffff920000fae04
[   25.643657][  T372] R13: 000000000000ffe7 R14: ffffc900007d7118 R15: ffff88800eaa4218
[   25.644372][  T372] FS:  00007f0ccf9d2800(0000) GS:ffff888080037000(0000) knlGS:0000000000000000
[   25.644995][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.645392][  T372] CR2: 00007fa47398aa00 CR3: 000000000ea00006 CR4: 0000000000772ef0
[   25.645889][  T372] PKRU: 55555554
[   25.646133][  T372] Call Trace:
[   25.646377][  T372]  <TASK>
[ 25.646532][ T372] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.646936][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.647261][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.647594][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 25.647925][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.648269][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.648521][ T372] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.648865][ T372] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.649202][ T372] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.649540][ T372] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.649989][ T372] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.650326][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.650640][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.650964][ T372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.651276][ T372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.651596][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.651936][ T372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.652263][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.652580][ T372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.652914][ T372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.653247][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.653574][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.653926][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.654253][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.654572][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.654900][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.655219][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.655531][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.655856][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.656169][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.656480][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.656812][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.657121][ T372] ? 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) 
[ 25.657428][ T372] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.657769][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.658091][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.658403][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.658710][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.659038][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.659366][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.659686][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.660009][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.660413][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 25.660728][ T372] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.661041][ T372] ? __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) 
[ 25.661438][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.661764][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.662083][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.662394][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.662703][ T372] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.663042][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.663356][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 25.663668][ T372] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.664072][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.664402][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.664741][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.665059][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.665450][  T372] RIP: 0033:0x7f0ccfb9f1e7
[ 25.665787][ T372] 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)
[   25.666898][  T372] RSP: 002b:00007ffe5b6729b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.667374][  T372] RAX: ffffffffffffffda RBX: 00007ffe5b6730e0 RCX: 00007f0ccfb9f1e7
[   25.667847][  T372] RDX: 0000000000000000 RSI: 00007ffe5b672a20 RDI: 0000000000000005
[   25.668325][  T372] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.668828][  T372] R10: 00007f0ccfa9cee8 R11: 0000000000000246 R12: 00007ffe5b673100


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