======================================
| [   21.163082][  T320] ip_gre: GRE over IPv4 tunneling driver
| [   21.207524][  T319] ------------[ cut here ]------------
| [ 21.208020][ T319] WARNING: CPU: 1 PID: 319 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) 
| [   21.208695][  T319] Modules linked in: ip_gre gre 8021q vrf veth
[   21.209715][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.210142][ T319] 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) 
[ 21.210477][ T319] 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
[   21.211752][  T319] RSP: 0018:ffffc90000697000 EFLAGS: 00010246
[   21.212182][  T319] RAX: 0000000000000000 RBX: ffff888008b49000 RCX: 0000000000000001
[   21.212656][  T319] RDX: 0000000000000000 RSI: ffffffff98e9b939 RDI: ffffffff986555e0
[   21.213169][  T319] RBP: ffffc900006970e8 R08: ffff888008b49218 R09: 0000000000000000
[   21.213634][  T319] R10: ffffc90000697118 R11: ffffffff99379160 R12: 1ffff920000d2e04
[   21.214121][  T319] R13: 000000000000ffe7 R14: ffffc90000697118 R15: ffff888008b49218
[   21.214589][  T319] FS:  00007fac5d3aa800(0000) GS:ffff88809b337000(0000) knlGS:0000000000000000
[   21.215147][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.215546][  T319] CR2: 00007fc3969f4938 CR3: 0000000008d36004 CR4: 0000000000772ef0
[   21.216016][  T319] PKRU: 55555554
[   21.216268][  T319] Call Trace:
[   21.216800][  T319]  <TASK>
[ 21.216961][ T319] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.217378][ T319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.217693][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.218041][ T319] netif_set_mtu (net/core/dev.c:9652) 
[ 21.218371][ T319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.218708][ T319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.218945][ T319] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.219268][ T319] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.219581][ T319] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.219896][ T319] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.220306][ T319] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.220625][ T319] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.220942][ T319] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 21.221264][ T319] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.221570][ T319] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.221884][ T319] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.222206][ T319] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.222520][ T319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.222825][ T319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.223160][ T319] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.223481][ T319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.223793][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.224128][ T319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.224435][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.224744][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.225063][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.225375][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.225696][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.226012][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.226341][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.226650][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.226968][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.227289][ T319] ? 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) 
[ 21.227605][ T319] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.227922][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.228241][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.228557][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.228865][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.229186][ T319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.229520][ T319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.229841][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.230183][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.230581][ T319] ___sys_sendmsg (net/socket.c:2670) 
[ 21.230886][ T319] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.231217][ T319] ? __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) 
[ 21.231605][ T319] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.231917][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.232245][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.232568][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.232880][ T319] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.233215][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.233532][ T319] __sys_sendmsg (net/socket.c:2700) 
[ 21.233838][ T319] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.234230][ T319] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.234550][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.234870][ T319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.235204][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.235635][  T319] RIP: 0033:0x7fac5d5771e7
[ 21.235983][ T319] Code: Unable to access opcode bytes at 0x7fac5d5771bd.

Code starting with the faulting instruction
===========================================
[   21.236398][  T319] RSP: 002b:00007fffef0e6048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.236871][  T319] RAX: ffffffffffffffda RBX: 00007fffef0e6770 RCX: 00007fac5d5771e7
[   21.237357][  T319] RDX: 0000000000000000 RSI: 00007fffef0e60b0 RDI: 0000000000000005
[   21.237826][  T319] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.238301][  T319] R10: 00007fac5d474ee8 R11: 0000000000000246 R12: 00007fffef0e6790
[   21.238769][  T319] R13: 00000000686e6546 R14: 0000000000499600 R15: 00007fffef0e6194
| [   22.193648][  T330] ------------[ cut here ]------------
| [ 22.194151][ T330] WARNING: CPU: 3 PID: 330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.194826][  T330] Modules linked in: ip_gre gre 8021q vrf veth
| [   22.195983][  T330] Tainted: [W]=WARN
[   22.196262][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.196692][ T330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.197039][ T330] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.198251][  T330] RSP: 0018:ffffc900005e7000 EFLAGS: 00010246
[   22.198671][  T330] RAX: 0000000000000000 RBX: ffff88800ba7c000 RCX: 0000000000000001
[   22.199229][  T330] RDX: 0000000000000000 RSI: ffffffff98e9b939 RDI: ffffffff986555e0
[   22.199725][  T330] RBP: ffffc900005e70e8 R08: ffff88800ba7c218 R09: 0000000000000000
[   22.200255][  T330] R10: ffffc900005e7118 R11: ffffffff99379160 R12: 1ffff920000bce04
[   22.200768][  T330] R13: 000000000000ffe7 R14: ffffc900005e7118 R15: ffff88800ba7c218
[   22.201421][  T330] FS:  00007f1c800a5800(0000) GS:ffff88809b437000(0000) knlGS:0000000000000000
[   22.201995][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.202660][  T330] CR2: 00007fc3967aca00 CR3: 000000000b879002 CR4: 0000000000772ef0
[   22.203327][  T330] PKRU: 55555554
[   22.203562][  T330] Call Trace:
[   22.203819][  T330]  <TASK>
[ 22.203989][ T330] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.204542][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.204867][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.205403][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 22.205744][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.206092][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.206336][ T330] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.206659][ T330] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.206976][ T330] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.207328][ T330] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.207722][ T330] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.208085][ T330] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.208609][ T330] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 22.208927][ T330] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.209262][ T330] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.209577][ T330] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.209888][ T330] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.210232][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.210536][ T330] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.210854][ T330] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.211179][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.211513][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.211833][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.212151][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.212462][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.212765][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.213089][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.213412][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.213726][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.214068][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.214392][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.214719][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.215029][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.215350][ T330] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.215658][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.215964][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.216334][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.216664][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.216990][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.217336][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.217669][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.217994][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.218426][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 22.218760][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.219096][ T330] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.219506][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.219858][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.220196][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.220510][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.220821][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.221148][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.221463][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 22.221771][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.222166][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.222486][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.222829][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.223155][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.223586][  T330] RIP: 0033:0x7f1c802721e7
[ 22.223911][ T330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.225039][  T330] RSP: 002b:00007ffc3219e138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.225515][  T330] RAX: ffffffffffffffda RBX: 00007ffc3219e860 RCX: 00007f1c802721e7
[   22.225988][  T330] RDX: 0000000000000000 RSI: 00007ffc3219e1a0 RDI: 0000000000000005
[   22.226456][  T330] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   22.226911][  T330] R10: 00007f1c8016fee8 R11: 0000000000000246 R12: 00007ffc3219e880
[   22.227383][  T330] R13: 00000000686e6547 R14: 0000000000499600 R15: 00007ffc3219e284
| [   25.861969][  T363] ------------[ cut here ]------------
| [ 25.863127][ T363] WARNING: CPU: 0 PID: 363 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) 
| [   25.863784][  T363] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.864866][  T363] Tainted: [W]=WARN
[   25.865134][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.865544][ T363] 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) 
[ 25.865881][ T363] 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
[   25.867027][  T363] RSP: 0018:ffffc90000847000 EFLAGS: 00010246
[   25.867448][  T363] RAX: 0000000000000000 RBX: ffff88800b544000 RCX: 0000000000000001
[   25.867930][  T363] RDX: 0000000000000000 RSI: ffffffff98e9b939 RDI: ffffffff986555e0
[   25.868427][  T363] RBP: ffffc900008470e8 R08: ffff88800b544218 R09: 0000000000000000
[   25.868908][  T363] R10: ffffc90000847118 R11: ffffffff99379160 R12: 1ffff92000108e04
[   25.869416][  T363] R13: 000000000000ffe7 R14: ffffc90000847118 R15: ffff88800b544218
[   25.869902][  T363] FS:  00007f22d890f800(0000) GS:ffff88809b2b7000(0000) knlGS:0000000000000000
[   25.870489][  T363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.870896][  T363] CR2: 00000000004e73d0 CR3: 000000000b7e3001 CR4: 0000000000772ef0
[   25.871386][  T363] PKRU: 55555554
[   25.871627][  T363] Call Trace:
[   25.871864][  T363]  <TASK>
[ 25.872029][ T363] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.872449][ T363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.872780][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.873136][ T363] netif_set_mtu (net/core/dev.c:9652) 
[ 25.873470][ T363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.873809][ T363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.874068][ T363] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.874397][ T363] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.874728][ T363] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.875086][ T363] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.875491][ T363] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.875822][ T363] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.876162][ T363] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.876483][ T363] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.876799][ T363] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.877145][ T363] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.877472][ T363] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.877800][ T363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.878128][ T363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.878457][ T363] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.878785][ T363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.879117][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.879449][ T363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.879765][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.880101][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.880418][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.880736][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.881096][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.881420][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.881741][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.882070][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.882397][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.882713][ T363] ? 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) 
[ 25.883033][ T363] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.883371][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.883689][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.884012][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.884342][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.884659][ T363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.884984][ T363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.885333][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.885656][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.886074][ T363] ___sys_sendmsg (net/socket.c:2670) 
[ 25.886391][ T363] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.886712][ T363] ? __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) 
[ 25.887119][ T363] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.887431][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.887741][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.888071][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.888378][ T363] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.888686][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.889003][ T363] __sys_sendmsg (net/socket.c:2700) 
[ 25.889333][ T363] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.889714][ T363] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.890031][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.890371][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.890681][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.891069][  T363] RIP: 0033:0x7f22d8adc1e7
[ 25.891387][ T363] 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)
[   25.892485][  T363] RSP: 002b:00007ffcc2f25998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.892952][  T363] RAX: ffffffffffffffda RBX: 00007ffcc2f260c0 RCX: 00007f22d8adc1e7
[   25.893437][  T363] RDX: 0000000000000000 RSI: 00007ffcc2f25a00 RDI: 0000000000000005
[   25.893899][  T363] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.894366][  T363] R10: 00007f22d89d9ee8 R11: 0000000000000246 R12: 00007ffcc2f260e0
[   25.894830][  T363] R13: 00000000686e654b R14: 0000000000499600 R15: 00007ffcc2f25ae4
| [   26.624159][  T370] ------------[ cut here ]------------
| [ 26.624622][ T370] WARNING: CPU: 2 PID: 370 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.625270][  T370] Modules linked in: ip_gre gre 8021q vrf veth
| [   26.626339][  T370] Tainted: [W]=WARN
[   26.626591][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.627007][ T370] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.627379][ T370] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.628517][  T370] RSP: 0018:ffffc90000717000 EFLAGS: 00010246
[   26.628947][  T370] RAX: 0000000000000000 RBX: ffff888008a91000 RCX: 0000000000000001
[   26.629445][  T370] RDX: 0000000000000000 RSI: ffffffff98e9b939 RDI: ffffffff986555e0
[   26.629916][  T370] RBP: ffffc900007170e8 R08: ffff888008a91218 R09: 0000000000000000
[   26.630409][  T370] R10: ffffc90000717118 R11: ffffffff99379160 R12: 1ffff920000e2e04
[   26.630885][  T370] R13: 000000000000ffe7 R14: ffffc90000717118 R15: ffff888008a91218
[   26.631366][  T370] FS:  00007f72d3091800(0000) GS:ffff88809b3b7000(0000) knlGS:0000000000000000
[   26.631923][  T370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.632335][  T370] CR2: 00007fc3969f4938 CR3: 000000000dffe005 CR4: 0000000000772ef0
[   26.632809][  T370] PKRU: 55555554
[   26.633061][  T370] Call Trace:
[   26.633304][  T370]  <TASK>
[ 26.633475][ T370] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.633879][ T370] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.634222][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.634563][ T370] netif_set_mtu (net/core/dev.c:9652) 
[ 26.634887][ T370] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.635247][ T370] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.635496][ T370] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.635822][ T370] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.636165][ T370] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.636512][ T370] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.636918][ T370] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.637278][ T370] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.637603][ T370] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 26.637929][ T370] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.638254][ T370] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.638575][ T370] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.638895][ T370] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.639242][ T370] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.639562][ T370] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.639887][ T370] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.640260][ T370] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.640589][ T370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.640923][ T370] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.641251][ T370] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.641580][ T370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.641899][ T370] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.642231][ T370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.642556][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.642880][ T370] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.643210][ T370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.643529][ T370] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.643859][ T370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.644194][ T370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.644518][ T370] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.644841][ T370] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.645168][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.645495][ T370] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.645818][ T370] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.646152][ T370] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.646485][ T370] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.646809][ T370] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.647134][ T370] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.647547][ T370] ___sys_sendmsg (net/socket.c:2670) 
[ 26.647863][ T370] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.648196][ T370] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 26.648591][ T370] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.648920][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.649260][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.649585][ T370] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.649902][ T370] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.650247][ T370] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.650574][ T370] __sys_sendmsg (net/socket.c:2700) 
[ 26.650899][ T370] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.651309][ T370] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.651640][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.651959][ T370] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.652293][ T370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.652687][  T370] RIP: 0033:0x7f72d325e1e7
[ 26.653016][ T370] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.654129][  T370] RSP: 002b:00007ffcddb1afb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.654607][  T370] RAX: ffffffffffffffda RBX: 00007ffcddb1b6e0 RCX: 00007f72d325e1e7
[   26.655092][  T370] RDX: 0000000000000000 RSI: 00007ffcddb1b020 RDI: 0000000000000005
[   26.655578][  T370] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   26.656045][  T370] R10: 00007f72d315bee8 R11: 0000000000000246 R12: 00007ffcddb1b700


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