======================================
| [   20.784188][  T325] ip_gre: GRE over IPv4 tunneling driver
| [   20.856447][  T324] ------------[ cut here ]------------
| [ 20.859249][ T324] WARNING: CPU: 2 PID: 324 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) 
| [   20.860124][  T324] Modules linked in: ip_gre gre 8021q vrf veth
[   20.861979][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.862688][ T324] 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) 
[ 20.863322][ T324] 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
[   20.864764][  T324] RSP: 0018:ffffc90000627000 EFLAGS: 00010246
[   20.865485][  T324] RAX: 0000000000000000 RBX: ffff88800ddd1000 RCX: 0000000000000001
[   20.866240][  T324] RDX: 0000000000000000 RSI: ffffffffb209b941 RDI: ffffffffb18555e0
[   20.867014][  T324] RBP: ffffc900006270e8 R08: ffff88800ddd1218 R09: 0000000000000000
[   20.867797][  T324] R10: ffffc90000627118 R11: ffffffffb2579160 R12: 1ffff920000c4e04
[   20.868468][  T324] R13: 000000000000ffe7 R14: ffffc90000627118 R15: ffff88800ddd1218
[   20.869179][  T324] FS:  00007f331137a800(0000) GS:ffff8880821b7000(0000) knlGS:0000000000000000
[   20.869962][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.870587][  T324] CR2: 00007f46ec85e000 CR3: 000000000b9f6006 CR4: 0000000000772ef0
[   20.871356][  T324] PKRU: 55555554
[   20.871712][  T324] Call Trace:
[   20.871961][  T324]  <TASK>
[ 20.872136][ T324] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.872553][ T324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.872878][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.873209][ T324] netif_set_mtu (net/core/dev.c:9652) 
[ 20.873545][ T324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.873891][ T324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.874139][ T324] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.874469][ T324] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.874803][ T324] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.875130][ T324] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.875540][ T324] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.876562][ T324] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.876893][ T324] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.877467][ T324] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.877789][ T324] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.878331][ T324] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.878725][ T324] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.879063][ T324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.879648][ T324] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.879983][ T324] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.880315][ T324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.880659][ T324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.880997][ T324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.881325][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.881660][ T324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.881980][ T324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.882302][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.882643][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.882994][ T324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.883325][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.883659][ T324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.883995][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.884315][ T324] ? 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) 
[ 20.884648][ T324] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.884978][ T324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.885309][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.885643][ T324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.885974][ T324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.886300][ T324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.886638][ T324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.887636][ T324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.887960][ T324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.888367][ T324] ___sys_sendmsg (net/socket.c:2670) 
[ 20.888699][ T324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.889023][ T324] ? __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) 
[ 20.889425][ T324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.894595][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.894927][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.895492][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.895823][ T324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.896147][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.896486][ T324] __sys_sendmsg (net/socket.c:2700) 
[ 20.896805][ T324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.897207][ T324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.897552][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.897879][ T324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.898203][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.898614][  T324] RIP: 0033:0x7f33115471e7
[ 20.899200][ T324] Code: Unable to access opcode bytes at 0x7f33115471bd.

Code starting with the faulting instruction
===========================================
[   20.899634][  T324] RSP: 002b:00007ffe9484edc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.900123][  T324] RAX: ffffffffffffffda RBX: 00007ffe9484f4f0 RCX: 00007f33115471e7
[   20.900626][  T324] RDX: 0000000000000000 RSI: 00007ffe9484ee30 RDI: 0000000000000005
[   20.901114][  T324] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.901615][  T324] R10: 00007f3311444ee8 R11: 0000000000000246 R12: 00007ffe9484f510
[   20.902345][  T324] R13: 00000000686e3b1b R14: 0000000000499600 R15: 00007ffe9484ef14
| [   21.730333][  T335] ------------[ cut here ]------------
| [ 21.730769][ T335] WARNING: CPU: 3 PID: 335 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) 
| [   21.731371][  T335] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.732427][  T335] Tainted: [W]=WARN
[   21.732678][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.733069][ T335] 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) 
[ 21.733403][ T335] 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
[   21.734509][  T335] RSP: 0018:ffffc900005d7000 EFLAGS: 00010246
[   21.734903][  T335] RAX: 0000000000000000 RBX: ffff88800b97c000 RCX: 0000000000000001
[   21.735358][  T335] RDX: 0000000000000000 RSI: ffffffffb209b941 RDI: ffffffffb18555e0
[   21.735842][  T335] RBP: ffffc900005d70e8 R08: ffff88800b97c218 R09: 0000000000000000
[   21.736304][  T335] R10: ffffc900005d7118 R11: ffffffffb2579160 R12: 1ffff920000bae04
[   21.736789][  T335] R13: 000000000000ffe7 R14: ffffc900005d7118 R15: ffff88800b97c218
[   21.737248][  T335] FS:  00007fe2cef01800(0000) GS:ffff888082237000(0000) knlGS:0000000000000000
[   21.737791][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.738181][  T335] CR2: 00000000004e7390 CR3: 000000000df10003 CR4: 0000000000772ef0
[   21.738653][  T335] PKRU: 55555554
[   21.738886][  T335] Call Trace:
[   21.739128][  T335]  <TASK>
[ 21.739287][ T335] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.739688][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.740005][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.740327][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.740646][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.740975][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.741211][ T335] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.741531][ T335] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.741850][ T335] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.742166][ T335] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.742565][ T335] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.742881][ T335] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.743192][ T335] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.743516][ T335] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.743825][ T335] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.744143][ T335] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.744473][ T335] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.744793][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.745105][ T335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.745425][ T335] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.745753][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.746067][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.746393][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.746811][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.747129][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.747435][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.747759][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.748074][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.748388][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.748707][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.749030][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.749350][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.749675][ T335] ? 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) 
[ 21.749987][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.750300][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.750623][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.750947][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.751268][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.751593][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.751911][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.752225][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.752549][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.752945][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 21.753251][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.753571][ T335] ? __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) 
[ 21.753955][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.754265][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.754584][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.754901][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.755209][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.755529][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.755845][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 21.756153][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.756684][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.757007][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.757316][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.757651][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.758042][  T335] RIP: 0033:0x7fe2cf0ce1e7
[ 21.758358][ T335] 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)
[   21.759492][  T335] RSP: 002b:00007fffb22797c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.759964][  T335] RAX: ffffffffffffffda RBX: 00007fffb2279ef0 RCX: 00007fe2cf0ce1e7
[   21.760424][  T335] RDX: 0000000000000000 RSI: 00007fffb2279830 RDI: 0000000000000005
[   21.760895][  T335] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.761352][  T335] R10: 00007fe2cefcbee8 R11: 0000000000000246 R12: 00007fffb2279f10
[   21.761818][  T335] R13: 00000000686e3b1c R14: 0000000000499600 R15: 00007fffb2279914
| [   25.139373][  T368] ------------[ cut here ]------------
| [ 25.139754][ T368] WARNING: CPU: 1 PID: 368 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) 
| [   25.140400][  T368] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.141446][  T368] Tainted: [W]=WARN
[   25.141699][  T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.142086][ T368] 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) 
[ 25.142405][ T368] 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
[   25.143513][  T368] RSP: 0018:ffffc90000877000 EFLAGS: 00010246
[   25.143910][  T368] RAX: 0000000000000000 RBX: ffff8880099b4000 RCX: 0000000000000001
[   25.144370][  T368] RDX: 0000000000000000 RSI: ffffffffb209b941 RDI: ffffffffb18555e0
[   25.144839][  T368] RBP: ffffc900008770e8 R08: ffff8880099b4218 R09: 0000000000000000
[   25.145301][  T368] R10: ffffc90000877118 R11: ffffffffb2579160 R12: 1ffff9200010ee04
[   25.145768][  T368] R13: 000000000000ffe7 R14: ffffc90000877118 R15: ffff8880099b4218
[   25.146237][  T368] FS:  00007f6fe0931800(0000) GS:ffff888082137000(0000) knlGS:0000000000000000
[   25.146787][  T368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.147176][  T368] CR2: 0000565509ef1dec CR3: 00000000031a2003 CR4: 0000000000772ef0
[   25.147656][  T368] PKRU: 55555554
[   25.147888][  T368] Call Trace:
[   25.148117][  T368]  <TASK>
[ 25.148275][ T368] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.148697][ T368] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.149037][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.149376][ T368] netif_set_mtu (net/core/dev.c:9652) 
[ 25.149712][ T368] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.150048][ T368] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.150299][ T368] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.150639][ T368] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.150968][ T368] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.151306][ T368] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.151739][ T368] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.152166][ T368] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.152492][ T368] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.152820][ T368] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.153123][ T368] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.153429][ T368] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.153816][ T368] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.154139][ T368] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.154443][ T368] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.154767][ T368] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.155083][ T368] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.155398][ T368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.155737][ T368] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.156044][ T368] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.156373][ T368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.156693][ T368] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.157000][ T368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.157308][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.157627][ T368] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.157935][ T368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.158241][ T368] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.158584][ T368] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.158886][ T368] ? 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) 
[ 25.159210][ T368] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.159539][ T368] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.159843][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.160153][ T368] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.160469][ T368] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.160779][ T368] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.161090][ T368] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.161397][ T368] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.161707][ T368] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.162096][ T368] ___sys_sendmsg (net/socket.c:2670) 
[ 25.162398][ T368] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.162708][ T368] ? __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) 
[ 25.163091][ T368] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.163398][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.163723][ T368] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.164040][ T368] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.164343][ T368] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.164654][ T368] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.164985][ T368] __sys_sendmsg (net/socket.c:2700) 
[ 25.165302][ T368] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.165691][ T368] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.166008][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.166312][ T368] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.166643][ T368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.167018][  T368] RIP: 0033:0x7f6fe0afe1e7
[ 25.167330][ T368] 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)
[   25.168432][  T368] RSP: 002b:00007fff39d66668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.168906][  T368] RAX: ffffffffffffffda RBX: 00007fff39d66d90 RCX: 00007f6fe0afe1e7
[   25.169375][  T368] RDX: 0000000000000000 RSI: 00007fff39d666d0 RDI: 0000000000000005
[   25.169859][  T368] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.170315][  T368] R10: 00007f6fe09fbee8 R11: 0000000000000246 R12: 00007fff39d66db0
[   25.170777][  T368] R13: 00000000686e3b1f R14: 0000000000499600 R15: 00007fff39d667b4
| [   25.854548][  T375] ------------[ cut here ]------------
| [ 25.855006][ T375] WARNING: CPU: 2 PID: 375 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) 
| [   25.856244][  T375] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.857301][  T375] Tainted: [W]=WARN
[   25.857556][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.857954][ T375] 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) 
[ 25.858284][ T375] 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
[   25.859420][  T375] RSP: 0018:ffffc90000807000 EFLAGS: 00010246
[   25.859833][  T375] RAX: 0000000000000000 RBX: ffff888008241000 RCX: 0000000000000001
[   25.860309][  T375] RDX: 0000000000000000 RSI: ffffffffb209b941 RDI: ffffffffb18555e0
[   25.860786][  T375] RBP: ffffc900008070e8 R08: ffff888008241218 R09: 0000000000000000
[   25.861255][  T375] R10: ffffc90000807118 R11: ffffffffb2579160 R12: 1ffff92000100e04
[   25.861729][  T375] R13: 000000000000ffe7 R14: ffffc90000807118 R15: ffff888008241218
[   25.862204][  T375] FS:  00007fb93b743800(0000) GS:ffff8880821b7000(0000) knlGS:0000000000000000
[   25.862770][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.863167][  T375] CR2: 00000000004e73d0 CR3: 000000000deca004 CR4: 0000000000772ef0
[   25.863650][  T375] PKRU: 55555554
[   25.863892][  T375] Call Trace:
[   25.864138][  T375]  <TASK>
[ 25.864307][ T375] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.864721][ T375] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.865050][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.865376][ T375] netif_set_mtu (net/core/dev.c:9652) 
[ 25.865706][ T375] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.866042][ T375] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.866291][ T375] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.866628][ T375] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.866957][ T375] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.867282][ T375] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.867688][ T375] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.868012][ T375] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.868336][ T375] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.868670][ T375] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.869000][ T375] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.869320][ T375] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.869654][ T375] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.869980][ T375] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.870296][ T375] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.870634][ T375] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.870967][ T375] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.871296][ T375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.871641][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.871957][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.872281][ T375] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.872611][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.872934][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.873257][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.873596][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.873919][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.874235][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.874577][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.874892][ T375] ? 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) 
[ 25.875212][ T375] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.875545][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.875865][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.876190][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.876527][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.876844][ T375] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.877171][ T375] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.877504][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.877821][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.878221][ T375] ___sys_sendmsg (net/socket.c:2670) 
[ 25.878555][ T375] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.878876][ T375] ? __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) 
[ 25.879282][ T375] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.879614][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.879935][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.880261][ T375] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.880598][ T375] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.880925][ T375] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.881256][ T375] __sys_sendmsg (net/socket.c:2700) 
[ 25.881581][ T375] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.881975][ T375] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.882307][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.882638][ T375] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.882957][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.883357][  T375] RIP: 0033:0x7fb93b9101e7
[ 25.883698][ T375] 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)
[   25.884834][  T375] RSP: 002b:00007ffe5fb3f418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.885309][  T375] RAX: ffffffffffffffda RBX: 00007ffe5fb3fb40 RCX: 00007fb93b9101e7
[   25.885798][  T375] RDX: 0000000000000000 RSI: 00007ffe5fb3f480 RDI: 0000000000000005
[   25.886262][  T375] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.886741][  T375] R10: 00007fb93b80dee8 R11: 0000000000000246 R12: 00007ffe5fb3fb60


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