======================================
| [   20.728743][  T322] ip_gre: GRE over IPv4 tunneling driver
| [   20.795285][  T321] ------------[ cut here ]------------
| [ 20.796002][ T321] WARNING: CPU: 3 PID: 321 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.797398][  T321] Modules linked in: ip_gre gre 8021q vrf veth
[   20.799218][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.799890][ T321] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.800465][ T321] 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
[   20.802421][  T321] RSP: 0018:ffffc900007f7000 EFLAGS: 00010246
[   20.803113][  T321] RAX: 0000000000000000 RBX: ffff88800bab9000 RCX: 0000000000000001
[   20.803935][  T321] RDX: 0000000000000000 RSI: ffffffffada9b941 RDI: ffffffffad2555e0
[   20.804758][  T321] RBP: ffffc900007f70e8 R08: ffff88800bab9218 R09: 0000000000000000
[   20.805587][  T321] R10: ffffc900007f7118 R11: ffffffffadf79160 R12: 1ffff920000fee04
[   20.806403][  T321] R13: 000000000000ffe7 R14: ffffc900007f7118 R15: ffff88800bab9218
[   20.807205][  T321] FS:  00007f715b893800(0000) GS:ffff888086837000(0000) knlGS:0000000000000000
[   20.808140][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.808831][  T321] CR2: 00007fb25d311371 CR3: 00000000053a8001 CR4: 0000000000772ef0
[   20.809659][  T321] PKRU: 55555554
[   20.810066][  T321] Call Trace:
[   20.810482][  T321]  <TASK>
[ 20.810967][ T321] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.811674][ T321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.812260][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.812815][ T321] netif_set_mtu (net/core/dev.c:9652) 
[ 20.813383][ T321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.813956][ T321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.814379][ T321] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.814922][ T321] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.815401][ T321] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.815736][ T321] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.816382][ T321] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.816916][ T321] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.817473][ T321] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.818051][ T321] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.818569][ T321] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.819112][ T321] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.819662][ T321] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.820158][ T321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.820716][ T321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.821197][ T321] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.821780][ T321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.822354][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.822895][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.845706][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.846296][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.846853][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.847436][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.848007][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.849014][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.849569][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.850114][ T321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.850930][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.851345][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.851676][ T321] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.852008][ T321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.852338][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.852668][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.852991][ T321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.853322][ T321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.853658][ T321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.853986][ T321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.854535][ T321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.854951][ T321] ___sys_sendmsg (net/socket.c:2670) 
[ 20.855288][ T321] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.855614][ T321] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.856017][ T321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.856352][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.856676][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.857236][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.857556][ T321] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.857892][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.858445][ T321] __sys_sendmsg (net/socket.c:2700) 
[ 20.858767][ T321] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.859389][ T321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.859707][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.860018][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.860347][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.860741][  T321] RIP: 0033:0x7f715ba601e7
[ 20.861089][ T321] Code: Unable to access opcode bytes at 0x7f715ba601bd.

Code starting with the faulting instruction
===========================================
[   20.861513][  T321] RSP: 002b:00007ffec7215c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.861984][  T321] RAX: ffffffffffffffda RBX: 00007ffec7216390 RCX: 00007f715ba601e7
[   20.862459][  T321] RDX: 0000000000000000 RSI: 00007ffec7215cd0 RDI: 0000000000000005
[   20.862922][  T321] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.863399][  T321] R10: 00007f715b95dee8 R11: 0000000000000246 R12: 00007ffec72163b0
[   20.863861][  T321] R13: 00000000686e46c6 R14: 0000000000499600 R15: 00007ffec7215db4
| [   21.639401][  T333] ------------[ cut here ]------------
| [ 21.639809][ T333] WARNING: CPU: 2 PID: 333 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) 
| [   21.640485][  T333] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.641607][  T333] Tainted: [W]=WARN
[   21.641882][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.642303][ T333] 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) 
[ 21.642647][ T333] 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
[   21.643825][  T333] RSP: 0018:ffffc90000ac7000 EFLAGS: 00010246
[   21.644256][  T333] RAX: 0000000000000000 RBX: ffff88800b154000 RCX: 0000000000000001
[   21.644753][  T333] RDX: 0000000000000000 RSI: ffffffffada9b941 RDI: ffffffffad2555e0
[   21.645258][  T333] RBP: ffffc90000ac70e8 R08: ffff88800b154218 R09: 0000000000000000
[   21.645750][  T333] R10: ffffc90000ac7118 R11: ffffffffadf79160 R12: 1ffff92000158e04
[   21.646253][  T333] R13: 000000000000ffe7 R14: ffffc90000ac7118 R15: ffff88800b154218
[   21.646739][  T333] FS:  00007fa442213800(0000) GS:ffff8880867b7000(0000) knlGS:0000000000000000
[   21.647370][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.647790][  T333] CR2: 000055f86288e9e8 CR3: 0000000008d81006 CR4: 0000000000772ef0
[   21.648292][  T333] PKRU: 55555554
[   21.648542][  T333] Call Trace:
[   21.648796][  T333]  <TASK>
[ 21.648971][ T333] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.649397][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.649737][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.650085][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.650432][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.650785][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.651045][ T333] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.651422][ T333] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.651745][ T333] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.652064][ T333] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.652467][ T333] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.652793][ T333] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.653117][ T333] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.653452][ T333] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.653817][ T333] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.654154][ T333] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.654502][ T333] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.654842][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.655181][ T333] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.655527][ T333] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.655874][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.656221][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.656573][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.656904][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.657248][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.657584][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.657922][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.658272][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.658613][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.658948][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.659295][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.659642][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.660007][ T333] ? 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) 
[ 21.660359][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.660707][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.661044][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.661409][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.661749][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.662086][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.662437][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.662800][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.663150][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.663602][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.663952][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.664308][ T333] ? __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) 
[ 21.664725][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.665064][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.665428][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.665771][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.666104][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.666450][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.666798][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.667128][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.667550][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.667900][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.668259][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.668613][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.669028][  T333] RIP: 0033:0x7fa4423e01e7
[ 21.669382][ T333] 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)
[   21.670559][  T333] RSP: 002b:00007fffe9babce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.671055][  T333] RAX: ffffffffffffffda RBX: 00007fffe9bac410 RCX: 00007fa4423e01e7
[   21.671570][  T333] RDX: 0000000000000000 RSI: 00007fffe9babd50 RDI: 0000000000000005
[   21.672066][  T333] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.672577][  T333] R10: 00007fa4422ddee8 R11: 0000000000000246 R12: 00007fffe9bac430
[   21.673068][  T333] R13: 00000000686e46c7 R14: 0000000000499600 R15: 00007fffe9babe34
| [   25.279354][  T366] ------------[ cut here ]------------
| [ 25.279776][ T366] WARNING: CPU: 2 PID: 366 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   25.280430][  T366] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.281508][  T366] Tainted: [W]=WARN
[   25.281760][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.282163][ T366] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 25.282505][ T366] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.283614][  T366] RSP: 0018:ffffc90000557000 EFLAGS: 00010246
[   25.284018][  T366] RAX: 0000000000000000 RBX: ffff88800df61000 RCX: 0000000000000001
[   25.284501][  T366] RDX: 0000000000000000 RSI: ffffffffada9b941 RDI: ffffffffad2555e0
[   25.284977][  T366] RBP: ffffc900005570e8 R08: ffff88800df61218 R09: 0000000000000000
[   25.285461][  T366] R10: ffffc90000557118 R11: ffffffffadf79160 R12: 1ffff920000aae04
[   25.285932][  T366] R13: 000000000000ffe7 R14: ffffc90000557118 R15: ffff88800df61218
[   25.286411][  T366] FS:  00007fe2d4f9d800(0000) GS:ffff8880867b7000(0000) knlGS:0000000000000000
[   25.286964][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.287369][  T366] CR2: 00000000004e73d0 CR3: 000000000e8b5001 CR4: 0000000000772ef0
[   25.287840][  T366] PKRU: 55555554
[   25.288091][  T366] Call Trace:
[   25.288342][  T366]  <TASK>
[ 25.288508][ T366] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.288905][ T366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.289233][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.289569][ T366] netif_set_mtu (net/core/dev.c:9652) 
[ 25.289889][ T366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.290238][ T366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.290484][ T366] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.290805][ T366] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.291138][ T366] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.291475][ T366] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.291867][ T366] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.292201][ T366] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.292520][ T366] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.292839][ T366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.293158][ T366] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.293488][ T366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.293810][ T366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.294134][ T366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.294476][ T366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.294802][ T366] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.295129][ T366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.295460][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.295794][ T366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.296107][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.296441][ T366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.296774][ T366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.297091][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.297420][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.297740][ T366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.298061][ T366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.298388][ T366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.298717][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.299035][ T366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.299363][ T366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.299681][ T366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.299998][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.300329][ T366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.300648][ T366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.300965][ T366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.301311][ T366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.301630][ T366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.301941][ T366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.302353][ T366] ___sys_sendmsg (net/socket.c:2670) 
[ 25.302665][ T366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.302982][ T366] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.303385][ T366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.303708][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.304028][ T366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.304359][ T366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.304680][ T366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.304997][ T366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.305331][ T366] __sys_sendmsg (net/socket.c:2700) 
[ 25.305644][ T366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.306037][ T366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.306372][ T366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.306691][ T366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.307007][ T366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.307404][  T366] RIP: 0033:0x7fe2d516a1e7
[ 25.307728][ T366] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.308840][  T366] RSP: 002b:00007ffc0d7c2f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.309321][  T366] RAX: ffffffffffffffda RBX: 00007ffc0d7c3630 RCX: 00007fe2d516a1e7
[   25.309789][  T366] RDX: 0000000000000000 RSI: 00007ffc0d7c2f70 RDI: 0000000000000005
[   25.310260][  T366] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.310727][  T366] R10: 00007fe2d5067ee8 R11: 0000000000000246 R12: 00007ffc0d7c3650
[   25.311211][  T366] R13: 00000000686e46cb R14: 0000000000499600 R15: 00007ffc0d7c3054
| [   25.980811][  T373] ------------[ cut here ]------------
| [ 25.981232][ T373] WARNING: CPU: 3 PID: 373 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) 
| [   25.981899][  T373] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.982925][  T373] Tainted: [W]=WARN
[   25.983156][  T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.983547][ T373] 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) 
[ 25.983869][ T373] 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
[   25.985147][  T373] RSP: 0018:ffffc900007b7000 EFLAGS: 00010246
[   25.985780][  T373] RAX: 0000000000000000 RBX: ffff8880097c4000 RCX: 0000000000000001
[   25.986385][  T373] RDX: 0000000000000000 RSI: ffffffffada9b941 RDI: ffffffffad2555e0
[   25.986846][  T373] RBP: ffffc900007b70e8 R08: ffff8880097c4218 R09: 0000000000000000
[   25.987351][  T373] R10: ffffc900007b7118 R11: ffffffffadf79160 R12: 1ffff920000f6e04
[   25.987806][  T373] R13: 000000000000ffe7 R14: ffffc900007b7118 R15: ffff8880097c4218
[   25.988271][  T373] FS:  00007f10c33e4800(0000) GS:ffff888086837000(0000) knlGS:0000000000000000
[   25.988810][  T373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.989204][  T373] CR2: 00007fb25d115a00 CR3: 000000000e8cc003 CR4: 0000000000772ef0
[   25.989662][  T373] PKRU: 55555554
[   25.989891][  T373] Call Trace:
[   25.990133][  T373]  <TASK>
[ 25.990301][ T373] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.990692][ T373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.991001][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.991336][ T373] netif_set_mtu (net/core/dev.c:9652) 
[ 25.991638][ T373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.991957][ T373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.992203][ T373] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.992510][ T373] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.992823][ T373] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.993137][ T373] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.993529][ T373] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.993843][ T373] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.994148][ T373] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.994464][ T373] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.994766][ T373] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.995078][ T373] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.995409][ T373] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.995722][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.996023][ T373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.996341][ T373] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.996663][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.996973][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.997304][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.997616][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.997922][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.998232][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.998538][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.998844][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.999150][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.999461][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.999767][ T373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.000090][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.000401][ T373] ? 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) 
[ 26.000708][ T373] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.001016][ T373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.001351][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.001661][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.001972][ T373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.002290][ T373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.002603][ T373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.002910][ T373] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.003221][ T373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.003610][ T373] ___sys_sendmsg (net/socket.c:2670) 
[ 26.003910][ T373] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.004224][ T373] ? __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) 
[ 26.004608][ T373] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.004917][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.005290][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.005612][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.005926][ T373] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.006246][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.006565][ T373] __sys_sendmsg (net/socket.c:2700) 
[ 26.006887][ T373] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.007284][ T373] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.007611][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.007925][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.008246][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.008634][  T373] RIP: 0033:0x7f10c35b11e7
[ 26.008958][ T373] 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)
[   26.010089][  T373] RSP: 002b:00007ffe4d568e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.010572][  T373] RAX: ffffffffffffffda RBX: 00007ffe4d569530 RCX: 00007f10c35b11e7
[   26.011043][  T373] RDX: 0000000000000000 RSI: 00007ffe4d568e70 RDI: 0000000000000005
[   26.011559][  T373] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   26.012031][  T373] R10: 00007f10c34aeee8 R11: 0000000000000246 R12: 00007ffe4d569550


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