======================================
| [   24.930892][  T289] ip_gre: GRE over IPv4 tunneling driver
| [   25.086212][  T288] ------------[ cut here ]------------
| [ 25.086682][ T288] WARNING: CPU: 1 PID: 288 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) 
| [   25.087438][  T288] Modules linked in: ip_gre gre macsec ipvlan
[   25.088572][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.088964][ T288] 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) 
[ 25.089425][ T288] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   25.090694][  T288] RSP: 0018:ffffc90000c87000 EFLAGS: 00010246
[   25.091083][  T288] RAX: 0000000000000000 RBX: ffff88800eab4000 RCX: 0000000000000001
[   25.091696][  T288] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   25.092159][  T288] RBP: ffffc90000c870e8 R08: ffff88800eab4218 R09: 0000000000000000
[   25.092750][  T288] R10: ffffc90000c87118 R11: ffff88800eab4000 R12: 1ffff92000190e04
[   25.093215][  T288] R13: 00000000000005c4 R14: ffffc90000c87118 R15: ffff88800eab4218
[   25.093682][  T288] FS:  00007f1860d2e800(0000) GS:ffff8880cb619000(0000) knlGS:0000000000000000
[   25.094213][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.094607][  T288] CR2: 0000557f36a1acc8 CR3: 000000000c89f002 CR4: 0000000000772ef0
[   25.095064][  T288] PKRU: 55555554
[   25.095305][  T288] Call Trace:
[   25.095537][  T288]  <TASK>
[ 25.095698][ T288] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 25.096013][ T288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.096326][ T288] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 25.096638][ T288] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 25.096945][ T288] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 25.097343][ T288] netif_set_mtu (net/core/dev.c:9652) 
[ 25.097659][ T288] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.097973][ T288] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 25.098291][ T288] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.098523][ T288] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.098838][ T288] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.099150][ T288] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.099467][ T288] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.099851][ T288] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.100166][ T288] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.100481][ T288] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.100796][ T288] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.101312][ T288] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.101620][ T288] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.101923][ T288] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.102242][ T288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.102542][ T288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.102853][ T288] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.103166][ T288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.103484][ T288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.103803][ T288] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.104103][ T288] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.104414][ T288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.104722][ T288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.105031][ T288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.105344][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.105651][ T288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.105958][ T288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.106267][ T288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.106583][ T288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.106888][ T288] ? 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) 
[ 25.107190][ T288] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.107504][ T288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.107805][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.108115][ T288] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.108428][ T288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.108734][ T288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.109051][ T288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.109364][ T288] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.109665][ T288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.110059][ T288] ___sys_sendmsg (net/socket.c:2670) 
[ 25.110371][ T288] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.110674][ T288] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 25.110982][ T288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.111307][ T288] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 25.111613][ T288] ? __handle_mm_fault (mm/memory.c:6212) 
[ 25.111916][ T288] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 25.112217][ T288] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 25.112549][ T288] __sys_sendmsg (net/socket.c:2700) 
[ 25.112852][ T288] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.113155][ T288] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 25.113477][ T288] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 25.113782][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.114093][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.114406][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.114782][  T288] RIP: 0033:0x7f1860efb1e7
[ 25.115112][ T288] Code: Unable to access opcode bytes at 0x7f1860efb1bd.

Code starting with the faulting instruction
===========================================
[   25.115511][  T288] RSP: 002b:00007ffcb97633f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.115969][  T288] RAX: ffffffffffffffda RBX: 00007ffcb9763b30 RCX: 00007f1860efb1e7
[   25.116441][  T288] RDX: 0000000000000000 RSI: 00007ffcb9763460 RDI: 0000000000000003
[   25.116894][  T288] RBP: 0000000000000002 R08: 00000000000000a0 R09: 0000000000000000
[   25.117363][  T288] R10: 00007f1860df36f8 R11: 0000000000000246 R12: 00007ffcb9763b48
[   25.117822][  T288] R13: 00000000686e2af0 R14: 0000000000499600 R15: 00007ffcb9763544
| [   25.945418][  T299] ------------[ cut here ]------------
| [ 25.945762][ T299] WARNING: CPU: 3 PID: 299 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) 
| [   25.947096][  T299] Modules linked in: ip_gre gre macsec ipvlan
| [   25.948111][  T299] Tainted: [W]=WARN
[   25.948348][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.948723][ T299] 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) 
[ 25.949035][ T299] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   25.950138][  T299] RSP: 0018:ffffc900006c7000 EFLAGS: 00010246
[   25.950522][  T299] RAX: 0000000000000000 RBX: ffff88800aa79000 RCX: 0000000000000001
[   25.950972][  T299] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   25.951435][  T299] RBP: ffffc900006c70e8 R08: ffff88800aa79218 R09: 0000000000000000
[   25.951885][  T299] R10: ffffc900006c7118 R11: ffff88800aa79000 R12: 1ffff920000d8e04
[   25.952342][  T299] R13: 00000000000005c8 R14: ffffc900006c7118 R15: ffff88800aa79218
[   25.952790][  T299] FS:  00007f8ed90ac800(0000) GS:ffff8880cb719000(0000) knlGS:0000000000000000
[   25.953323][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.953701][  T299] CR2: 000000000043c2d0 CR3: 000000000feae002 CR4: 0000000000772ef0
[   25.954161][  T299] PKRU: 55555554
[   25.954400][  T299] Call Trace:
[   25.954625][  T299]  <TASK>
[ 25.954778][ T299] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 25.955087][ T299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.955393][ T299] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 25.955691][ T299] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 25.955992][ T299] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 25.956386][ T299] netif_set_mtu (net/core/dev.c:9652) 
[ 25.956683][ T299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.956996][ T299] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 25.957307][ T299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.957534][ T299] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.957835][ T299] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.958138][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.958452][ T299] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 25.958757][ T299] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 25.959059][ T299] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 25.959362][ T299] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.959668][ T299] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.959976][ T299] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.960288][ T299] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.960582][ T299] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.960884][ T299] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.961182][ T299] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.961512][ T299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.961807][ T299] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.962116][ T299] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.962432][ T299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.962735][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.963046][ T299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.963357][ T299] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.963656][ T299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.963952][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.964265][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.964569][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.964874][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.965177][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.965490][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.965800][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.966096][ T299] ? 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) 
[ 25.966406][ T299] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.966710][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.967005][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.967320][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.967628][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.967926][ T299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.968243][ T299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.968547][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.968843][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.969240][ T299] ___sys_sendmsg (net/socket.c:2670) 
[ 25.969543][ T299] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.969845][ T299] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 25.970144][ T299] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.970452][ T299] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 25.970759][ T299] ? __handle_mm_fault (mm/memory.c:6212) 
[ 25.971056][ T299] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 25.971370][ T299] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 25.971696][ T299] __sys_sendmsg (net/socket.c:2700) 
[ 25.971993][ T299] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.972300][ T299] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 25.972615][ T299] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 25.972918][ T299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.973221][ T299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.973536][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.973909][  T299] RIP: 0033:0x7f8ed92791e7
[ 25.974224][ T299] 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)
[   25.975315][  T299] RSP: 002b:00007ffdbe95a8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.975773][  T299] RAX: ffffffffffffffda RBX: 00007ffdbe95aff0 RCX: 00007f8ed92791e7
[   25.976237][  T299] RDX: 0000000000000000 RSI: 00007ffdbe95a920 RDI: 0000000000000003
[   25.976690][  T299] RBP: 0000000000000002 R08: 0000000000000058 R09: 0000000000000000
[   25.977139][  T299] R10: 00007f8ed91716f8 R11: 0000000000000246 R12: 00007ffdbe95b008
[   25.977595][  T299] R13: 00000000686e2af1 R14: 0000000000499600 R15: 00007ffdbe95aa04
| [   26.727471][  T302] ------------[ cut here ]------------
| [ 26.727808][ T302] WARNING: CPU: 0 PID: 302 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.728417][  T302] Modules linked in: ip_gre gre macsec ipvlan
| [   26.729611][  T302] Tainted: [W]=WARN
[   26.729848][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.730221][ T302] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.730541][ T302] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.731625][  T302] RSP: 0018:ffffc90000817000 EFLAGS: 00010246
[   26.732008][  T302] RAX: 0000000000000000 RBX: ffff88800abd1000 RCX: 0000000000000001
[   26.732466][  T302] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   26.732909][  T302] RBP: ffffc900008170e8 R08: ffff88800abd1218 R09: 0000000000000000
[   26.733360][  T302] R10: ffffc90000817118 R11: ffff88800abd1000 R12: 1ffff92000102e04
[   26.733811][  T302] R13: 00000000000005c8 R14: ffffc90000817118 R15: ffff88800abd1218
[   26.734261][  T302] FS:  00007fb84bfa5800(0000) GS:ffff8880cb599000(0000) knlGS:0000000000000000
[   26.734784][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.735158][  T302] CR2: 0000000000442010 CR3: 000000000c893006 CR4: 0000000000772ef0
[   26.735615][  T302] PKRU: 55555554
[   26.735845][  T302] Call Trace:
[   26.736069][  T302]  <TASK>
[ 26.736224][ T302] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 26.736547][ T302] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.736843][ T302] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 26.737140][ T302] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 26.737466][ T302] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 26.737851][ T302] netif_set_mtu (net/core/dev.c:9652) 
[ 26.738155][ T302] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.738473][ T302] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 26.738782][ T302] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.739009][ T302] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.739320][ T302] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.739625][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.739928][ T302] ipip_newlink (net/ipv4/ipip.c:442) 
[ 26.740241][ T302] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 26.740543][ T302] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.740848][ T302] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.741147][ T302] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 26.741465][ T302] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.741768][ T302] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.742069][ T302] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.742375][ T302] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.742683][ T302] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.742978][ T302] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.743293][ T302] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.743609][ T302] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.743912][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.744222][ T302] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.744533][ T302] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.744842][ T302] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.745140][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.745446][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.745756][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.746060][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.746364][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.746667][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.746977][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.747287][ T302] ? 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) 
[ 26.747589][ T302] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.747894][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.748191][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.748502][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.748811][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.749112][ T302] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.749432][ T302] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.749739][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.750039][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.750431][ T302] ___sys_sendmsg (net/socket.c:2670) 
[ 26.750733][ T302] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.751038][ T302] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.751356][ T302] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.751656][ T302] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.751964][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.752281][ T302] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.752586][ T302] __sys_sendmsg (net/socket.c:2700) 
[ 26.752888][ T302] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.753199][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.753506][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.753814][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.754192][  T302] RIP: 0033:0x7fb84c1721e7
[ 26.754509][ T302] 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)
[   26.755588][  T302] RSP: 002b:00007ffd0db19708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.756041][  T302] RAX: ffffffffffffffda RBX: 00007ffd0db19e40 RCX: 00007fb84c1721e7
[   26.756498][  T302] RDX: 0000000000000000 RSI: 00007ffd0db19770 RDI: 0000000000000003
[   26.756948][  T302] RBP: 0000000000000002 R08: 0000000000000090 R09: 0000000000000000
[   26.757400][  T302] R10: 00007fb84c06a6f8 R11: 0000000000000246 R12: 00007ffd0db19e58
[   26.757851][  T302] R13: 00000000686e2af2 R14: 0000000000499600 R15: 00007ffd0db19854
| [   36.069245][  T339] ------------[ cut here ]------------
| [ 36.069603][ T339] WARNING: CPU: 0 PID: 339 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) 
| [   36.070251][  T339] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   36.071381][  T339] Tainted: [W]=WARN
[   36.071618][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.072008][ T339] 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) 
[ 36.072335][ T339] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   36.073433][  T339] RSP: 0018:ffffc900006d7000 EFLAGS: 00010246
[   36.073832][  T339] RAX: 0000000000000000 RBX: ffff88800ffa4000 RCX: 0000000000000001
[   36.074309][  T339] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   36.074783][  T339] RBP: ffffc900006d70e8 R08: ffff88800ffa4218 R09: 0000000000000000
[   36.075247][  T339] R10: ffffc900006d7118 R11: ffff88800ffa4000 R12: 1ffff920000dae04
[   36.075704][  T339] R13: 00000000000005c4 R14: ffffc900006d7118 R15: ffff88800ffa4218
[   36.076157][  T339] FS:  00007f4d860de800(0000) GS:ffff8880cb599000(0000) knlGS:0000000000000000
[   36.076703][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.077087][  T339] CR2: 0000000000436890 CR3: 00000000096ca003 CR4: 0000000000772ef0
[   36.077556][  T339] PKRU: 55555554
[   36.077785][  T339] Call Trace:
[   36.078018][  T339]  <TASK>
[ 36.078174][ T339] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 36.078504][ T339] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.078808][ T339] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 36.079116][ T339] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 36.079434][ T339] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 36.079836][ T339] netif_set_mtu (net/core/dev.c:9652) 
[ 36.080145][ T339] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.080468][ T339] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 36.080786][ T339] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.081016][ T339] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 36.081351][ T339] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 36.081664][ T339] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 36.081973][ T339] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 36.082358][ T339] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.082677][ T339] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 36.082981][ T339] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 36.083302][ T339] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 36.083609][ T339] ? __dev_get_by_name (net/core/dev.c:865) 
[ 36.083919][ T339] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 36.084223][ T339] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 36.084559][ T339] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.084858][ T339] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 36.085185][ T339] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 36.085508][ T339] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.085821][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.086139][ T339] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.086449][ T339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.086754][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.087054][ T339] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.087364][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.087673][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.087981][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.088306][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.088612][ T339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.088925][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.089237][ T339] ? 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) 
[ 36.089546][ T339] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.089854][ T339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.090159][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.090478][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.090786][ T339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.091089][ T339] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.091431][ T339] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.091747][ T339] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.092047][ T339] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.092444][ T339] ___sys_sendmsg (net/socket.c:2670) 
[ 36.092757][ T339] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.093059][ T339] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 36.093387][ T339] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 36.093689][ T339] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 36.094009][ T339] ? __handle_mm_fault (mm/memory.c:6212) 
[ 36.094319][ T339] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 36.094626][ T339] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 36.094958][ T339] __sys_sendmsg (net/socket.c:2700) 
[ 36.095275][ T339] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.095576][ T339] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 36.095901][ T339] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 36.096204][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.096527][ T339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.096840][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.097224][  T339] RIP: 0033:0x7f4d862ab1e7
[ 36.097545][ T339] 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)
[   36.098632][  T339] RSP: 002b:00007ffdf4836408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.099096][  T339] RAX: ffffffffffffffda RBX: 00007ffdf4836b40 RCX: 00007f4d862ab1e7
[   36.099557][  T339] RDX: 0000000000000000 RSI: 00007ffdf4836470 RDI: 0000000000000003
[   36.100016][  T339] RBP: 0000000000000002 R08: 00000000000000a8 R09: 0000000000000000
[   36.100477][  T339] R10: 00007f4d861a36f8 R11: 0000000000000246 R12: 00007ffdf4836b68
[   36.100942][  T339] R13: 00000000686e2afb R14: 0000000000499600 R15: 00007ffdf483655c
| [   36.871311][  T342] ------------[ cut here ]------------
| [ 36.871695][ T342] WARNING: CPU: 2 PID: 342 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) 
| [   36.872315][  T342] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   36.873442][  T342] Tainted: [W]=WARN
[   36.873682][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.874078][ T342] 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) 
[ 36.874411][ T342] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   36.875499][  T342] RSP: 0018:ffffc90000817000 EFLAGS: 00010246
[   36.875895][  T342] RAX: 0000000000000000 RBX: ffff888010cb4000 RCX: 0000000000000001
[   36.876372][  T342] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   36.876835][  T342] RBP: ffffc900008170e8 R08: ffff888010cb4218 R09: 0000000000000000
[   36.877311][  T342] R10: ffffc90000817118 R11: ffff888010cb4000 R12: 1ffff92000102e04
[   36.877777][  T342] R13: 00000000000005c8 R14: ffffc90000817118 R15: ffff888010cb4218
[   36.878249][  T342] FS:  00007fa4e72cc800(0000) GS:ffff8880cb699000(0000) knlGS:0000000000000000
[   36.878796][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.879185][  T342] CR2: 000000000043c2d0 CR3: 000000000e4ad001 CR4: 0000000000772ef0
[   36.879662][  T342] PKRU: 55555554
[   36.879901][  T342] Call Trace:
[   36.880146][  T342]  <TASK>
[ 36.880338][ T342] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 36.880659][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.880965][ T342] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 36.881292][ T342] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 36.881611][ T342] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 36.882012][ T342] netif_set_mtu (net/core/dev.c:9652) 
[ 36.882334][ T342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.882662][ T342] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 36.882979][ T342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.883218][ T342] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 36.883540][ T342] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 36.883854][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.884178][ T342] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 36.884506][ T342] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 36.884825][ T342] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 36.885136][ T342] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.885469][ T342] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 36.885788][ T342] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 36.886105][ T342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 36.886423][ T342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 36.886736][ T342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 36.887052][ T342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 36.887379][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.887691][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 36.888012][ T342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 36.888343][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.888661][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.888982][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.889301][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.889620][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.889934][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.890254][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.890574][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.890891][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.891203][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.891533][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.891864][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.892173][ T342] ? 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) 
[ 36.892495][ T342] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.892806][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.893117][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.893449][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.893764][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.894078][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.894408][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.894725][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.895034][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.895439][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 36.895755][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.896065][ T342] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 36.896396][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 36.896706][ T342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 36.897020][ T342] ? __handle_mm_fault (mm/memory.c:6212) 
[ 36.897341][ T342] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 36.897650][ T342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 36.897982][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 36.898303][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.898620][ T342] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 36.898939][ T342] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 36.899264][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.899578][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.899892][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.900282][  T342] RIP: 0033:0x7fa4e74991e7
[ 36.900605][ T342] 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)
[   36.901701][  T342] RSP: 002b:00007ffcee2b3588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.902166][  T342] RAX: ffffffffffffffda RBX: 00007ffcee2b3cc0 RCX: 00007fa4e74991e7
[   36.902636][  T342] RDX: 0000000000000000 RSI: 00007ffcee2b35f0 RDI: 0000000000000003
[   36.903106][  T342] RBP: 0000000000000002 R08: 0000000000000060 R09: 0000000000000000
[   36.903577][  T342] R10: 00007fa4e73916f8 R11: 0000000000000246 R12: 00007ffcee2b3ce8
[   36.904036][  T342] R13: 00000000686e2afc R14: 0000000000499600 R15: 00007ffcee2b36dc
| [   37.681176][  T345] ------------[ cut here ]------------
| [ 37.681577][ T345] WARNING: CPU: 3 PID: 345 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) 
| [   37.682223][  T345] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   37.683401][  T345] Tainted: [W]=WARN
[   37.683641][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.684035][ T345] 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) 
[ 37.684365][ T345] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   37.685499][  T345] RSP: 0018:ffffc90000c87000 EFLAGS: 00010246
[   37.685898][  T345] RAX: 0000000000000000 RBX: ffff888005639000 RCX: 0000000000000001
[   37.686512][  T345] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   37.686991][  T345] RBP: ffffc90000c870e8 R08: ffff888005639218 R09: 0000000000000000
[   37.687482][  T345] R10: ffffc90000c87118 R11: ffff888005639000 R12: 1ffff92000190e04
[   37.687963][  T345] R13: 00000000000005c8 R14: ffffc90000c87118 R15: ffff888005639218
[   37.688446][  T345] FS:  00007fea95a2a800(0000) GS:ffff8880cb719000(0000) knlGS:0000000000000000
[   37.689006][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.689417][  T345] CR2: 0000000000442010 CR3: 000000000e4ac006 CR4: 0000000000772ef0
[   37.689899][  T345] PKRU: 55555554
[   37.690136][  T345] Call Trace:
[   37.690381][  T345]  <TASK>
[ 37.690544][ T345] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 37.690866][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.691184][ T345] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 37.691524][ T345] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 37.691851][ T345] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 37.692267][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 37.692583][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.692906][ T345] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 37.693265][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.693508][ T345] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 37.693826][ T345] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 37.694151][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.694482][ T345] ipip_newlink (net/ipv4/ipip.c:442) 
[ 37.694798][ T345] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 37.695114][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.695447][ T345] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 37.695763][ T345] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 37.696082][ T345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 37.696412][ T345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 37.696732][ T345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 37.697047][ T345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 37.697375][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.697694][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 37.698015][ T345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 37.698349][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.698672][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.699011][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.699332][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.699649][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.699961][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.700282][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.700604][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.700927][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.701261][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.701591][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.701922][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.702252][ T345] ? 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) 
[ 37.702568][ T345] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.702885][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.703200][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.703527][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.703854][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.704172][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.704504][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.704821][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.705134][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.705547][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 37.705864][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.706186][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.706518][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.706829][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.707145][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.707477][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.707801][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 37.708115][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.708464][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.708779][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.709097][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.709501][  T345] RIP: 0033:0x7fea95bf71e7
[ 37.709833][ T345] 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)
[   37.710978][  T345] RSP: 002b:00007ffe633a0408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.711479][  T345] RAX: ffffffffffffffda RBX: 00007ffe633a0b40 RCX: 00007fea95bf71e7
[   37.711956][  T345] RDX: 0000000000000000 RSI: 00007ffe633a0470 RDI: 0000000000000003
[   37.712441][  T345] RBP: 0000000000000002 R08: 0000000000000098 R09: 0000000000000000
[   37.712919][  T345] R10: 00007fea95aef6f8 R11: 0000000000000246 R12: 00007ffe633a0b68
[   37.713400][  T345] R13: 00000000686e2afd R14: 0000000000499600 R15: 00007ffe633a055c
| [   46.134867][  T378] ------------[ cut here ]------------
| [ 46.135298][ T378] WARNING: CPU: 3 PID: 378 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) 
| [   46.135903][  T378] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   46.137006][  T378] Tainted: [W]=WARN
[   46.137246][  T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.137631][ T378] 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) 
[ 46.137946][ T378] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   46.139042][  T378] RSP: 0018:ffffc90000737000 EFLAGS: 00010246
[   46.139437][  T378] RAX: 0000000000000000 RBX: ffff88800b1bc000 RCX: 0000000000000001
[   46.139896][  T378] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   46.140635][  T378] RBP: ffffc900007370e8 R08: ffff88800b1bc218 R09: 0000000000000000
[   46.141093][  T378] R10: ffffc90000737118 R11: ffff88800b1bc000 R12: 1ffff920000e6e04
[   46.141587][  T378] R13: 00000000000005c4 R14: ffffc90000737118 R15: ffff88800b1bc218
[   46.142049][  T378] FS:  00007f0e55d3d800(0000) GS:ffff8880cb719000(0000) knlGS:0000000000000000
[   46.142586][  T378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.142969][  T378] CR2: 0000000000436890 CR3: 000000000a40d002 CR4: 0000000000772ef0
[   46.143446][  T378] PKRU: 55555554
[   46.143683][  T378] Call Trace:
[   46.143915][  T378]  <TASK>
[ 46.144070][ T378] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 46.144386][ T378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.144687][ T378] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 46.144990][ T378] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 46.145313][ T378] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 46.145711][ T378] netif_set_mtu (net/core/dev.c:9652) 
[ 46.146017][ T378] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 46.146339][ T378] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 46.146648][ T378] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 46.146876][ T378] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 46.147182][ T378] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 46.147524][ T378] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 46.147835][ T378] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 46.148139][ T378] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 46.148525][ T378] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.148838][ T378] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 46.149144][ T378] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 46.149457][ T378] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 46.149758][ T378] ? __dev_get_by_name (net/core/dev.c:865) 
[ 46.150062][ T378] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 46.150375][ T378] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 46.150688][ T378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.150994][ T378] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 46.151329][ T378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.151640][ T378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.151956][ T378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.152265][ T378] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.152579][ T378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.152882][ T378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.153194][ T378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.153509][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.153816][ T378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.154120][ T378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.154435][ T378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.154751][ T378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.155053][ T378] ? 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) 
[ 46.155383][ T378] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.155692][ T378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.155993][ T378] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.156308][ T378] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.156614][ T378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.156918][ T378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.157237][ T378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.157547][ T378] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.157849][ T378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.158247][ T378] ___sys_sendmsg (net/socket.c:2670) 
[ 46.158558][ T378] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.158861][ T378] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 46.159168][ T378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 46.159488][ T378] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 46.159810][ T378] ? __handle_mm_fault (mm/memory.c:6212) 
[ 46.160110][ T378] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 46.160420][ T378] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 46.160746][ T378] __sys_sendmsg (net/socket.c:2700) 
[ 46.161048][ T378] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.161364][ T378] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 46.161686][ T378] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 46.161990][ T378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.162308][ T378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.162614][ T378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.162989][  T378] RIP: 0033:0x7f0e55f0a1e7
[ 46.163317][ T378] 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)
[   46.164415][  T378] RSP: 002b:00007ffece3f7928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.164874][  T378] RAX: ffffffffffffffda RBX: 00007ffece3f8060 RCX: 00007f0e55f0a1e7
[   46.165333][  T378] RDX: 0000000000000000 RSI: 00007ffece3f7990 RDI: 0000000000000003
[   46.165790][  T378] RBP: 0000000000000002 R08: 00000000000000a8 R09: 0000000000000000
[   46.166259][  T378] R10: 00007f0e55f98ac0 R11: 0000000000000246 R12: 00007ffece3f8088
[   46.166714][  T378] R13: 00000000686e2b06 R14: 0000000000499600 R15: 00007ffece3f7a7c
| [   46.989036][  T381] ------------[ cut here ]------------
| [ 46.989394][ T381] WARNING: CPU: 1 PID: 381 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) 
| [   46.989997][  T381] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   46.991095][  T381] Tainted: [W]=WARN
[   46.991341][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.991713][ T381] 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) 
[ 46.992020][ T381] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   46.994277][  T381] RSP: 0018:ffffc900007a7000 EFLAGS: 00010246
[   46.994661][  T381] RAX: 0000000000000000 RBX: ffff88800b57c000 RCX: 0000000000000001
[   46.995107][  T381] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   46.995576][  T381] RBP: ffffc900007a70e8 R08: ffff88800b57c218 R09: 0000000000000000
[   46.996035][  T381] R10: ffffc900007a7118 R11: ffff88800b57c000 R12: 1ffff920000f4e04
[   46.996490][  T381] R13: 00000000000005c8 R14: ffffc900007a7118 R15: ffff88800b57c218
[   46.996936][  T381] FS:  00007fd60e645800(0000) GS:ffff8880cb619000(0000) knlGS:0000000000000000
[   46.997465][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.997846][  T381] CR2: 000000000043c2d0 CR3: 000000000f7f9005 CR4: 0000000000772ef0
[   46.998309][  T381] PKRU: 55555554
[   46.998536][  T381] Call Trace:
[   46.998759][  T381]  <TASK>
[ 46.998910][ T381] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 46.999217][ T381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.999524][ T381] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 46.999824][ T381] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 47.000134][ T381] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 47.000529][ T381] netif_set_mtu (net/core/dev.c:9652) 
[ 47.000826][ T381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.001135][ T381] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 47.001454][ T381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.001682][ T381] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 47.001981][ T381] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 47.002292][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.002596][ T381] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 47.002893][ T381] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 47.003191][ T381] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 47.003499][ T381] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.003811][ T381] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 47.004121][ T381] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 47.004434][ T381] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 47.004731][ T381] ? __dev_get_by_name (net/core/dev.c:865) 
[ 47.005036][ T381] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.005349][ T381] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.005653][ T381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.005962][ T381] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 47.006277][ T381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.006589][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.006908][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.007204][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.007516][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.007813][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.008114][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.008429][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.008736][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.009036][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.009351][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.009660][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.009955][ T381] ? 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) 
[ 47.010262][ T381] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.010565][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.010864][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.011175][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.011499][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.011801][ T381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.012107][ T381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.012437][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.012733][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.013114][ T381] ___sys_sendmsg (net/socket.c:2670) 
[ 47.013423][ T381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.013728][ T381] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 47.014029][ T381] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.014335][ T381] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 47.014640][ T381] ? __handle_mm_fault (mm/memory.c:6212) 
[ 47.014938][ T381] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 47.015246][ T381] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 47.015572][ T381] __sys_sendmsg (net/socket.c:2700) 
[ 47.015869][ T381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.016166][ T381] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 47.016483][ T381] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 47.016782][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.017079][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.017385][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.017760][  T381] RIP: 0033:0x7fd60e8121e7
[ 47.018070][ T381] 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)
[   47.019155][  T381] RSP: 002b:00007ffdbe572208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.019618][  T381] RAX: ffffffffffffffda RBX: 00007ffdbe572940 RCX: 00007fd60e8121e7
[   47.020076][  T381] RDX: 0000000000000000 RSI: 00007ffdbe572270 RDI: 0000000000000003
[   47.020531][  T381] RBP: 0000000000000002 R08: 0000000000000060 R09: 0000000000000000
[   47.020982][  T381] R10: 00007fd60e8a0ac0 R11: 0000000000000246 R12: 00007ffdbe572968
[   47.021449][  T381] R13: 00000000686e2b07 R14: 0000000000499600 R15: 00007ffdbe57235c
| [   47.784946][  T384] ------------[ cut here ]------------
| [ 47.785382][ T384] WARNING: CPU: 0 PID: 384 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) 
| [   47.785987][  T384] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   47.787092][  T384] Tainted: [W]=WARN
[   47.787324][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.787698][ T384] 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) 
[ 47.788004][ T384] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   47.789084][  T384] RSP: 0018:ffffc900007d7000 EFLAGS: 00010246
[   47.789472][  T384] RAX: 0000000000000000 RBX: ffff8880077f4000 RCX: 0000000000000001
[   47.789924][  T384] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   47.790390][  T384] RBP: ffffc900007d70e8 R08: ffff8880077f4218 R09: 0000000000000000
[   47.790841][  T384] R10: ffffc900007d7118 R11: ffff8880077f4000 R12: 1ffff920000fae04
[   47.791300][  T384] R13: 00000000000005c8 R14: ffffc900007d7118 R15: ffff8880077f4218
[   47.791749][  T384] FS:  00007f90316f4800(0000) GS:ffff8880cb599000(0000) knlGS:0000000000000000
[   47.792282][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.792662][  T384] CR2: 00007f903194fb78 CR3: 000000000fe35001 CR4: 0000000000772ef0
[   47.793113][  T384] PKRU: 55555554
[   47.793346][  T384] Call Trace:
[   47.793571][  T384]  <TASK>
[ 47.793719][ T384] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 47.794023][ T384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.794326][ T384] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 47.794624][ T384] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 47.794928][ T384] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 47.795320][ T384] netif_set_mtu (net/core/dev.c:9652) 
[ 47.795622][ T384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.795929][ T384] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 47.796238][ T384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.796464][ T384] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 47.796764][ T384] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 47.797069][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.797380][ T384] ipip_newlink (net/ipv4/ipip.c:442) 
[ 47.797689][ T384] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 47.797988][ T384] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.798304][ T384] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 47.798611][ T384] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 47.798910][ T384] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 47.799208][ T384] ? __dev_get_by_name (net/core/dev.c:865) 
[ 47.799512][ T384] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.799809][ T384] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 47.800116][ T384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.800434][ T384] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 47.800746][ T384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.801050][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.801377][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.801677][ T384] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.801977][ T384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.802285][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.802587][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.802887][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.803188][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.803497][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.803797][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.804111][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.804415][ T384] ? 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) 
[ 47.804715][ T384] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.805012][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.805315][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.805618][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.805923][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.806222][ T384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.806537][ T384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.806835][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.807129][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.807524][ T384] ___sys_sendmsg (net/socket.c:2670) 
[ 47.807825][ T384] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.808120][ T384] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 47.808431][ T384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 47.808729][ T384] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 47.809031][ T384] ? __handle_mm_fault (mm/memory.c:6212) 
[ 47.809336][ T384] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 47.809635][ T384] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 47.809953][ T384] __sys_sendmsg (net/socket.c:2700) 
[ 47.810267][ T384] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.810566][ T384] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 47.810873][ T384] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 47.811173][ T384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.811488][ T384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.811793][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.812163][  T384] RIP: 0033:0x7f90318c11e7
[ 47.812479][ T384] 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)
[   47.813555][  T384] RSP: 002b:00007ffe8b3e7b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.814008][  T384] RAX: ffffffffffffffda RBX: 00007ffe8b3e8260 RCX: 00007f90318c11e7
[   47.814465][  T384] RDX: 0000000000000000 RSI: 00007ffe8b3e7b90 RDI: 0000000000000003
[   47.814914][  T384] RBP: 0000000000000002 R08: 0000000000000098 R09: 0000000000000000
[   47.815370][  T384] R10: 00007f903194fac0 R11: 0000000000000246 R12: 00007ffe8b3e8288
[   47.815816][  T384] R13: 00000000686e2b08 R14: 0000000000499600 R15: 00007ffe8b3e7c7c
| [   56.114161][  T417] ------------[ cut here ]------------
| [ 56.114527][ T417] WARNING: CPU: 3 PID: 417 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) 
| [   56.115196][  T417] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   56.116322][  T417] Tainted: [W]=WARN
[   56.116559][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.116942][ T417] 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) 
[ 56.117267][ T417] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   56.118397][  T417] RSP: 0018:ffffc900008e7000 EFLAGS: 00010246
[   56.118785][  T417] RAX: 0000000000000000 RBX: ffff88800fe79000 RCX: 0000000000000001
[   56.119251][  T417] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   56.119718][  T417] RBP: ffffc900008e70e8 R08: ffff88800fe79218 R09: 0000000000000000
[   56.120175][  T417] R10: ffffc900008e7118 R11: ffff88800fe79000 R12: 1ffff9200011ce04
[   56.120638][  T417] R13: 00000000000005c4 R14: ffffc900008e7118 R15: ffff88800fe79218
[   56.121104][  T417] FS:  00007ff7bfdbe800(0000) GS:ffff8880cb719000(0000) knlGS:0000000000000000
[   56.121661][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.122079][  T417] CR2: 0000000000436890 CR3: 000000000e6f8005 CR4: 0000000000772ef0
[   56.122570][  T417] PKRU: 55555554
[   56.122800][  T417] Call Trace:
[   56.123039][  T417]  <TASK>
[ 56.123197][ T417] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 56.123529][ T417] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.123836][ T417] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 56.124141][ T417] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 56.124453][ T417] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 56.124849][ T417] netif_set_mtu (net/core/dev.c:9652) 
[ 56.125159][ T417] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.125492][ T417] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 56.125810][ T417] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.126041][ T417] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 56.126454][ T417] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 56.126817][ T417] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 56.127126][ T417] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 56.127481][ T417] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 56.127874][ T417] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.128191][ T417] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 56.128561][ T417] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 56.128874][ T417] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 56.129250][ T417] ? __dev_get_by_name (net/core/dev.c:865) 
[ 56.129558][ T417] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.129875][ T417] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.130243][ T417] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.130558][ T417] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 56.130882][ T417] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.131194][ T417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.131530][ T417] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.131833][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.132215][ T417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.132538][ T417] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.132892][ T417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.133215][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.133585][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.133897][ T417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.134201][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.134525][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.134835][ T417] ? 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) 
[ 56.135141][ T417] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.135505][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.135822][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.136132][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.136455][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.136810][ T417] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.137128][ T417] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.137487][ T417] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.137843][ T417] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.138251][ T417] ___sys_sendmsg (net/socket.c:2670) 
[ 56.138557][ T417] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.138902][ T417] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 56.139209][ T417] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 56.139525][ T417] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 56.139852][ T417] ? __handle_mm_fault (mm/memory.c:6212) 
[ 56.140158][ T417] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 56.140487][ T417] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 56.140822][ T417] __sys_sendmsg (net/socket.c:2700) 
[ 56.141133][ T417] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.141477][ T417] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 56.141803][ T417] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 56.142114][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.142431][ T417] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.142739][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.143121][  T417] RIP: 0033:0x7ff7bff8b1e7
[ 56.143447][ T417] 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)
[   56.144560][  T417] RSP: 002b:00007fffee4a2848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.145026][  T417] RAX: ffffffffffffffda RBX: 00007fffee4a2f80 RCX: 00007ff7bff8b1e7
[   56.145509][  T417] RDX: 0000000000000000 RSI: 00007fffee4a28b0 RDI: 0000000000000003
[   56.145980][  T417] RBP: 0000000000000002 R08: 00000000000000b0 R09: 0000000000000000
[   56.146463][  T417] R10: 00007ff7c0019ac0 R11: 0000000000000246 R12: 00007fffee4a2fb8
[   56.146927][  T417] R13: 00000000686e2b0f R14: 0000000000499600 R15: 00007fffee4a29a4
| [   56.906880][  T420] ------------[ cut here ]------------
| [ 56.907271][ T420] WARNING: CPU: 2 PID: 420 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) 
| [   56.907893][  T420] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   56.909016][  T420] Tainted: [W]=WARN
[   56.909270][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.909665][ T420] 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) 
[ 56.909987][ T420] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   56.911076][  T420] RSP: 0018:ffffc90000977000 EFLAGS: 00010246
[   56.911514][  T420] RAX: 0000000000000000 RBX: ffff888010cb4000 RCX: 0000000000000001
[   56.911983][  T420] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   56.912456][  T420] RBP: ffffc900009770e8 R08: ffff888010cb4218 R09: 0000000000000000
[   56.912914][  T420] R10: ffffc90000977118 R11: ffff888010cb4000 R12: 1ffff9200012ee04
[   56.913387][  T420] R13: 00000000000005c8 R14: ffffc90000977118 R15: ffff888010cb4218
[   56.913853][  T420] FS:  00007f2c4178b800(0000) GS:ffff8880cb699000(0000) knlGS:0000000000000000
[   56.914402][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.914788][  T420] CR2: 000000000043c2d0 CR3: 000000000fc9f003 CR4: 0000000000772ef0
[   56.915264][  T420] PKRU: 55555554
[   56.915506][  T420] Call Trace:
[   56.915746][  T420]  <TASK>
[ 56.915915][ T420] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 56.916253][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.916562][ T420] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 56.916875][ T420] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 56.917187][ T420] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 56.917601][ T420] netif_set_mtu (net/core/dev.c:9652) 
[ 56.917912][ T420] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.918249][ T420] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 56.918571][ T420] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.918809][ T420] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 56.919124][ T420] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 56.919449][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.919769][ T420] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 56.920081][ T420] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 56.920408][ T420] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 56.920724][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.921044][ T420] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 56.921390][ T420] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 56.921714][ T420] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 56.922020][ T420] ? __dev_get_by_name (net/core/dev.c:865) 
[ 56.922343][ T420] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.922654][ T420] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.922977][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.923303][ T420] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 56.923629][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.923946][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.924280][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.924594][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.924913][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.925223][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.925561][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.925876][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.926194][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.926519][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.926832][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.927152][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.927472][ T420] ? 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) 
[ 56.927795][ T420] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.928109][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.928432][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.928752][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.929066][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.929386][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.929710][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.930028][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.930354][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.930757][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 56.931074][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.931417][ T420] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 56.931736][ T420] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 56.932046][ T420] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 56.932379][ T420] ? __handle_mm_fault (mm/memory.c:6212) 
[ 56.932689][ T420] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 56.932999][ T420] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 56.933342][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 56.933663][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.933975][ T420] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 56.934308][ T420] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 56.934630][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.934948][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.935273][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.935660][  T420] RIP: 0033:0x7f2c419581e7
[ 56.935981][ T420] 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)
[   56.937070][  T420] RSP: 002b:00007ffc956c7bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.937547][  T420] RAX: ffffffffffffffda RBX: 00007ffc956c82f0 RCX: 00007f2c419581e7
[   56.938008][  T420] RDX: 0000000000000000 RSI: 00007ffc956c7c20 RDI: 0000000000000003
[   56.938475][  T420] RBP: 0000000000000002 R08: 0000000000000068 R09: 0000000000000000
[   56.938944][  T420] R10: 00007f2c419e6ac0 R11: 0000000000000246 R12: 00007ffc956c8328
[   56.939413][  T420] R13: 00000000686e2b10 R14: 0000000000499600 R15: 00007ffc956c7d14
| [   57.702220][  T423] ------------[ cut here ]------------
| [ 57.702587][ T423] WARNING: CPU: 3 PID: 423 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) 
| [   57.703191][  T423] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   57.704278][  T423] Tainted: [W]=WARN
[   57.704509][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.704885][ T423] 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) 
[ 57.705193][ T423] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   57.706277][  T423] RSP: 0018:ffffc90000917000 EFLAGS: 00010246
[   57.706658][  T423] RAX: 0000000000000000 RBX: ffff888007774000 RCX: 0000000000000001
[   57.707106][  T423] RDX: 0000000000000000 RSI: ffffffff9f310759 RDI: ffffffff9ea58280
[   57.707557][  T423] RBP: ffffc900009170e8 R08: ffff888007774218 R09: 0000000000000000
[   57.708009][  T423] R10: ffffc90000917118 R11: ffff888007774000 R12: 1ffff92000122e04
[   57.708469][  T423] R13: 00000000000005c8 R14: ffffc90000917118 R15: ffff888007774218
[   57.708916][  T423] FS:  00007f5be9c47800(0000) GS:ffff8880cb719000(0000) knlGS:0000000000000000
[   57.709447][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.709823][  T423] CR2: 0000000000442010 CR3: 000000000a7f8005 CR4: 0000000000772ef0
[   57.710282][  T423] PKRU: 55555554
[   57.710511][  T423] Call Trace:
[   57.710735][  T423]  <TASK>
[ 57.710888][ T423] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 57.711201][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.711519][ T423] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 57.711822][ T423] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 57.712124][ T423] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 57.712519][ T423] netif_set_mtu (net/core/dev.c:9652) 
[ 57.712825][ T423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.713133][ T423] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 57.713446][ T423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.713673][ T423] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 57.713974][ T423] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 57.714287][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.714594][ T423] ipip_newlink (net/ipv4/ipip.c:442) 
[ 57.714893][ T423] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 57.715200][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 57.715519][ T423] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 57.715823][ T423] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 57.716125][ T423] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 57.716432][ T423] ? __dev_get_by_name (net/core/dev.c:865) 
[ 57.716732][ T423] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 57.717032][ T423] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 57.717396][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.717701][ T423] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 57.718008][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.718323][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.718637][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.718933][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.719247][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.719548][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.719854][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.720159][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.720474][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.720778][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.721078][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.721409][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.721706][ T423] ? 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) 
[ 57.722011][ T423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 57.722323][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.722620][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.722921][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.723240][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.723544][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.723852][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.724160][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.724486][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.724869][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 57.725166][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.725478][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.725780][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.726074][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.726394][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.726700][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.727004][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 57.727310][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.727623][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.727923][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.728224][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.728604][  T423] RIP: 0033:0x7f5be9e141e7
[ 57.728915][ T423] 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)
[   57.729993][  T423] RSP: 002b:00007ffe14509a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.730452][  T423] RAX: ffffffffffffffda RBX: 00007ffe1450a1c0 RCX: 00007f5be9e141e7
[   57.730903][  T423] RDX: 0000000000000000 RSI: 00007ffe14509af0 RDI: 0000000000000003
[   57.731368][  T423] RBP: 0000000000000002 R08: 00000000000000a0 R09: 0000000000000000
[   57.731816][  T423] R10: 00007f5be9ea2ac0 R11: 0000000000000246 R12: 00007ffe1450a1f8


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