======================================
| [   20.652154][  T318] ip_gre: GRE over IPv4 tunneling driver
| [   20.745347][  T317] ------------[ cut here ]------------
| [ 20.745878][ T317] WARNING: CPU: 2 PID: 317 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) 
| [   20.746611][  T317] Modules linked in: ip_gre gre 8021q vrf veth
[   20.747784][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.748255][ T317] 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) 
[ 20.748635][ T317] 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
[   20.749890][  T317] RSP: 0000:ffffc90000677000 EFLAGS: 00010246
[   20.750337][  T317] RAX: 0000000000000000 RBX: ffff88800a349000 RCX: 0000000000000001
[   20.751057][  T317] RDX: 0000000000000000 RSI: ffffffff9c89b941 RDI: ffffffff9c0555e0
[   20.751594][  T317] RBP: ffffc900006770e8 R08: ffff88800a349218 R09: 0000000000000000
[   20.752166][  T317] R10: ffffc90000677118 R11: ffffffff9cd79160 R12: 1ffff920000cee04
[   20.752681][  T317] R13: 000000000000ffe7 R14: ffffc90000677118 R15: ffff88800a349218
[   20.753225][  T317] FS:  00007f8b6717a800(0000) GS:ffff8880979b7000(0000) knlGS:0000000000000000
[   20.753846][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.754310][  T317] CR2: 00007faa507b5d90 CR3: 000000000c026006 CR4: 0000000000772ef0
[   20.754873][  T317] PKRU: 55555554
[   20.755151][  T317] Call Trace:
[   20.755430][  T317]  <TASK>
[ 20.755626][ T317] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.756074][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.756430][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.756789][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 20.757140][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.757757][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.758019][ T317] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.758390][ T317] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.758742][ T317] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.759088][ T317] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.759522][ T317] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.759866][ T317] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.760223][ T317] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.760576][ T317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.760906][ T317] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.761245][ T317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.761838][ T317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.762208][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.762550][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.762911][ T317] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.763271][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.763655][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.764021][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.764651][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.764982][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.765357][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.766195][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.766563][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.766919][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.767297][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.767633][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.767980][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.768318][ T317] ? 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) 
[ 20.768643][ T317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.768985][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.769336][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.769688][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.770037][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.770403][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.770752][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.771121][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.771469][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.771882][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 20.772259][ T317] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.772611][ T317] ? __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) 
[ 20.773026][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.773405][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.773757][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.774128][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.774501][ T317] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.774890][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.775282][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 20.775674][ T317] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.776143][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.776506][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.776873][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.777259][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.777743][  T317] RIP: 0033:0x7f8b673471e7
[ 20.778153][ T317] Code: Unable to access opcode bytes at 0x7f8b673471bd.

Code starting with the faulting instruction
===========================================
[   20.778668][  T317] RSP: 002b:00007ffd4f154988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.779275][  T317] RAX: ffffffffffffffda RBX: 00007ffd4f1550b0 RCX: 00007f8b673471e7
[   20.779834][  T317] RDX: 0000000000000000 RSI: 00007ffd4f1549f0 RDI: 0000000000000005
[   20.780414][  T317] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.780992][  T317] R10: 00007f8b67244ee8 R11: 0000000000000246 R12: 00007ffd4f1550d0
[   20.781527][  T317] R13: 00000000686e1e0c R14: 0000000000499600 R15: 00007ffd4f154ad4
| [   21.676030][  T328] ------------[ cut here ]------------
| [ 21.676450][ T328] WARNING: CPU: 1 PID: 328 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) 
| [   21.677129][  T328] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.678237][  T328] Tainted: [W]=WARN
[   21.678498][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.678935][ T328] 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) 
[ 21.679300][ T328] 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
[   21.680679][  T328] RSP: 0018:ffffc900005a7000 EFLAGS: 00010246
[   21.681297][  T328] RAX: 0000000000000000 RBX: ffff888004fcc000 RCX: 0000000000000001
[   21.681771][  T328] RDX: 0000000000000000 RSI: ffffffff9c89b941 RDI: ffffffff9c0555e0
[   21.682480][  T328] RBP: ffffc900005a70e8 R08: ffff888004fcc218 R09: 0000000000000000
[   21.682946][  T328] R10: ffffc900005a7118 R11: ffffffff9cd79160 R12: 1ffff920000b4e04
[   21.683597][  T328] R13: 000000000000ffe7 R14: ffffc900005a7118 R15: ffff888004fcc218
[   21.684059][  T328] FS:  00007f02765a6800(0000) GS:ffff888097937000(0000) knlGS:0000000000000000
[   21.684782][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.685316][  T328] CR2: 00000000004e7390 CR3: 000000000b80b004 CR4: 0000000000772ef0
[   21.685788][  T328] PKRU: 55555554
[   21.686018][  T328] Call Trace:
[   21.686391][  T328]  <TASK>
[ 21.686551][ T328] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.686945][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.687455][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.687784][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.688089][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.688660][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.688901][ T328] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.689375][ T328] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.689701][ T328] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.690009][ T328] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.690405][ T328] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.690729][ T328] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.691041][ T328] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.691371][ T328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.691674][ T328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.691977][ T328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.692291][ T328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.692611][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.692913][ T328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.693232][ T328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.693551][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.693883][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.694213][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.694524][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.694830][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.695157][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.695499][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.695824][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.696193][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.696523][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.696863][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.697209][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.697526][ T328] ? 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) 
[ 21.697843][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.698187][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.698523][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.698865][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.699206][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.699529][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.699864][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.700198][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.700518][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.700942][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.701273][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.701601][ T328] ? __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) 
[ 21.702002][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.702335][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.702644][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.702952][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.703277][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.703585][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.703895][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.704228][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.704615][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.704939][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.705262][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.705583][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.705965][  T328] RIP: 0033:0x7f02767731e7
[ 21.706301][ T328] 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)
[   21.707438][  T328] RSP: 002b:00007ffc78e99b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.707939][  T328] RAX: ffffffffffffffda RBX: 00007ffc78e9a230 RCX: 00007f02767731e7
[   21.708438][  T328] RDX: 0000000000000000 RSI: 00007ffc78e99b70 RDI: 0000000000000005
[   21.708930][  T328] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.709412][  T328] R10: 00007f0276670ee8 R11: 0000000000000246 R12: 00007ffc78e9a250
[   21.709883][  T328] R13: 00000000686e1e0d R14: 0000000000499600 R15: 00007ffc78e99c54
| [   24.408305][  T356] ------------[ cut here ]------------
| [ 24.408675][ T356] WARNING: CPU: 0 PID: 356 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) 
| [   24.409327][  T356] Modules linked in: ip_gre gre 8021q vrf veth
| [   24.410378][  T356] Tainted: [W]=WARN
[   24.410613][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.410996][ T356] 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) 
[ 24.411332][ T356] 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
[   24.412641][  T356] RSP: 0018:ffffc90000807000 EFLAGS: 00010246
[   24.413035][  T356] RAX: 0000000000000000 RBX: ffff888008371000 RCX: 0000000000000001
[   24.413748][  T356] RDX: 0000000000000000 RSI: ffffffff9c89b941 RDI: ffffffff9c0555e0
[   24.414300][  T356] RBP: ffffc900008070e8 R08: ffff888008371218 R09: 0000000000000000
[   24.414768][  T356] R10: ffffc90000807118 R11: ffffffff9cd79160 R12: 1ffff92000100e04
[   24.415244][  T356] R13: 000000000000ffe7 R14: ffffc90000807118 R15: ffff888008371218
[   24.415712][  T356] FS:  00007f94941af800(0000) GS:ffff8880978b7000(0000) knlGS:0000000000000000
[   24.416287][  T356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.416669][  T356] CR2: 00000000004e73d0 CR3: 00000000050fd004 CR4: 0000000000772ef0
[   24.417160][  T356] PKRU: 55555554
[   24.417397][  T356] Call Trace:
[   24.417634][  T356]  <TASK>
[ 24.417790][ T356] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.418223][ T356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.418540][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.418873][ T356] netif_set_mtu (net/core/dev.c:9652) 
[ 24.419257][ T356] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.419584][ T356] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.419822][ T356] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.420140][ T356] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.420461][ T356] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.420776][ T356] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.421173][ T356] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.421494][ T356] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.421802][ T356] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.422119][ T356] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.422421][ T356] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.422725][ T356] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.423029][ T356] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.423358][ T356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.423662][ T356] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.423971][ T356] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.424310][ T356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.424633][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.424949][ T356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.425263][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.425577][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.425895][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.426214][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.426529][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.426839][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.427163][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.427467][ T356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.427782][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.428105][ T356] ? 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) 
[ 24.428413][ T356] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.428721][ T356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.429026][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.429347][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.429655][ T356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.429958][ T356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.430284][ T356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.430592][ T356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.430894][ T356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.431297][ T356] ___sys_sendmsg (net/socket.c:2670) 
[ 24.431624][ T356] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.431930][ T356] ? __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) 
[ 24.432324][ T356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.432635][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.432943][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.433268][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.433571][ T356] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.433872][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.434195][ T356] __sys_sendmsg (net/socket.c:2700) 
[ 24.434504][ T356] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.434883][ T356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.435216][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.435526][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.435830][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.436220][  T356] RIP: 0033:0x7f949437c1e7
[ 24.436536][ T356] 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)
[   24.437634][  T356] RSP: 002b:00007ffce71e1238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.438114][  T356] RAX: ffffffffffffffda RBX: 00007ffce71e1960 RCX: 00007f949437c1e7
[   24.438581][  T356] RDX: 0000000000000000 RSI: 00007ffce71e12a0 RDI: 0000000000000005
[   24.439046][  T356] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.439525][  T356] R10: 00007f9494279ee8 R11: 0000000000000246 R12: 00007ffce71e1980
[   24.439992][  T356] R13: 00000000686e1e10 R14: 0000000000499600 R15: 00007ffce71e1384
| [   25.119065][  T363] ------------[ cut here ]------------
| [ 25.119505][ T363] WARNING: CPU: 2 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) 
| [   25.120203][  T363] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.121350][  T363] Tainted: [W]=WARN
[   25.121625][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.122055][ 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) 
[ 25.122438][ T363] 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
[   25.123669][  T363] RSP: 0018:ffffc90000877000 EFLAGS: 00010246
[   25.124124][  T363] RAX: 0000000000000000 RBX: ffff888006189000 RCX: 0000000000000001
[   25.124667][  T363] RDX: 0000000000000000 RSI: ffffffff9c89b941 RDI: ffffffff9c0555e0
[   25.125186][  T363] RBP: ffffc900008770e8 R08: ffff888006189218 R09: 0000000000000000
[   25.125693][  T363] R10: ffffc90000877118 R11: ffffffff9cd79160 R12: 1ffff9200010ee04
[   25.126242][  T363] R13: 000000000000ffe7 R14: ffffc90000877118 R15: ffff888006189218
[   25.126769][  T363] FS:  00007f6c0ff2c800(0000) GS:ffff8880979b7000(0000) knlGS:0000000000000000
[   25.127383][  T363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.127813][  T363] CR2: 00000000004e73d0 CR3: 0000000015c4d005 CR4: 0000000000772ef0
[   25.128321][  T363] PKRU: 55555554
[   25.128576][  T363] Call Trace:
[   25.128846][  T363]  <TASK>
[ 25.129022][ T363] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.129465][ T363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.129810][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.130188][ T363] netif_set_mtu (net/core/dev.c:9652) 
[ 25.130538][ T363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.130911][ T363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.131196][ T363] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.131536][ T363] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.131893][ T363] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.132257][ T363] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.132679][ T363] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.133036][ T363] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.133404][ T363] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.133744][ T363] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.134088][ T363] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.134432][ T363] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.134785][ T363] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.135147][ T363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.135499][ T363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.135845][ T363] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.136216][ T363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.136563][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.136922][ T363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.137263][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.137599][ T363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.137928][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.138272][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.138624][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.138970][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.139329][ T363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.139670][ T363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.140015][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.140352][ 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) 
[ 25.140701][ T363] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.141041][ T363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.141395][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.141734][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.142085][ T363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.142445][ T363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.142787][ T363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.143153][ T363] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.143499][ T363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.143923][ T363] ___sys_sendmsg (net/socket.c:2670) 
[ 25.144263][ T363] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.144607][ 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) 
[ 25.145022][ T363] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.145367][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.145704][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.146045][ T363] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.146386][ 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) 
[ 25.146718][ T363] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.147057][ T363] __sys_sendmsg (net/socket.c:2700) 
[ 25.147398][ T363] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.147807][ T363] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.148157][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.148494][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.148830][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.149246][  T363] RIP: 0033:0x7f6c100f91e7
[ 25.149608][ 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)
[   25.150824][  T363] RSP: 002b:00007ffc20a0d8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.151350][  T363] RAX: ffffffffffffffda RBX: 00007ffc20a0e010 RCX: 00007f6c100f91e7
[   25.151861][  T363] RDX: 0000000000000000 RSI: 00007ffc20a0d950 RDI: 0000000000000005
[   25.152362][  T363] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.152854][  T363] R10: 00007f6c0fff6ee8 R11: 0000000000000246 R12: 00007ffc20a0e030


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