======================================
| [   23.968390][  T288] ip_gre: GRE over IPv4 tunneling driver
| [   24.184569][  T287] ------------[ cut here ]------------
| [ 24.185111][ T287] WARNING: CPU: 2 PID: 287 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.185755][  T287] Modules linked in: ip_gre gre macsec ipvlan
[   24.186837][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.187272][ T287] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.187614][ T287] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.188787][  T287] RSP: 0000:ffffc90000c47000 EFLAGS: 00010246
[   24.189212][  T287] RAX: 0000000000000000 RBX: ffff8880095f9000 RCX: 0000000000000001
[   24.189705][  T287] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   24.190200][  T287] RBP: ffffc90000c470e8 R08: ffff8880095f9218 R09: 0000000000000000
[   24.190690][  T287] R10: ffffc90000c47118 R11: ffff8880095f9000 R12: 1ffff92000188e04
[   24.191182][  T287] R13: 00000000000005c4 R14: ffffc90000c47118 R15: ffff8880095f9218
[   24.191866][  T287] FS:  00007f0a4ebab800(0000) GS:ffff8880bcc99000(0000) knlGS:0000000000000000
[   24.192454][  T287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.192873][  T287] CR2: 00007f434317c270 CR3: 0000000009a04005 CR4: 0000000000772ef0
[   24.193366][  T287] PKRU: 55555554
[   24.193617][  T287] Call Trace:
[   24.193871][  T287]  <TASK>
[ 24.194045][ T287] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 24.194400][ T287] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.194720][ T287] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 24.195040][ T287] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 24.195389][ T287] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 24.195805][ T287] netif_set_mtu (net/core/dev.c:9652) 
[ 24.196150][ T287] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.196485][ T287] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 24.196818][ T287] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.197065][ T287] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.197406][ T287] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.197738][ T287] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.198084][ T287] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.198504][ T287] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.198852][ T287] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.199191][ T287] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.199519][ T287] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.199839][ T287] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.200177][ T287] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.200499][ T287] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.200832][ T287] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.201169][ T287] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.201508][ T287] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.201846][ T287] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.202183][ T287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.202522][ T287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.202847][ T287] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.203182][ T287] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.203513][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.203841][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.204181][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.204512][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.204840][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.205196][ T287] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.205534][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.205862][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.206197][ T287] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.206527][ T287] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.206855][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.207447][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.207778][ T287] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.208558][ T287] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.208897][ T287] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.209235][ T287] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.209553][ T287] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.209964][ T287] ___sys_sendmsg (net/socket.c:2670) 
[ 24.210742][ T287] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.211067][ T287] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 24.211409][ T287] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.211727][ T287] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 24.212054][ T287] ? __handle_mm_fault (mm/memory.c:6212) 
[ 24.212391][ T287] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 24.212709][ T287] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 24.213049][ T287] __sys_sendmsg (net/socket.c:2700) 
[ 24.213392][ T287] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.213716][ T287] ? 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) 
[ 24.214045][ T287] ? 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) 
[ 24.214386][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.214716][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.215043][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.215456][  T287] RIP: 0033:0x7f0a4ed781e7
[ 24.215798][ T287] Code: Unable to access opcode bytes at 0x7f0a4ed781bd.

Code starting with the faulting instruction
===========================================
[   24.216468][  T287] RSP: 002b:00007ffcb9abde18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.217410][  T287] RAX: ffffffffffffffda RBX: 00007ffcb9abe550 RCX: 00007f0a4ed781e7
[   24.218353][  T287] RDX: 0000000000000000 RSI: 00007ffcb9abde80 RDI: 0000000000000003
[   24.218839][  T287] RBP: 0000000000000002 R08: 00000000000000a0 R09: 0000000000000000
[   24.219326][  T287] R10: 00007f0a4ec706f8 R11: 0000000000000246 R12: 00007ffcb9abe568
[   24.219803][  T287] R13: 00000000686e80f2 R14: 0000000000499600 R15: 00007ffcb9abdf64
| [   25.032503][  T298] ------------[ cut here ]------------
| [ 25.032889][ T298] WARNING: CPU: 2 PID: 298 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) 
| [   25.033520][  T298] Modules linked in: ip_gre gre macsec ipvlan
| [   25.034687][  T298] Tainted: [W]=WARN
[   25.034939][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.035350][ T298] 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) 
[ 25.035678][ T298] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   25.036776][  T298] RSP: 0018:ffffc90000c47000 EFLAGS: 00010246
[   25.037178][  T298] RAX: 0000000000000000 RBX: ffff88800dd71000 RCX: 0000000000000001
[   25.037634][  T298] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   25.038111][  T298] RBP: ffffc90000c470e8 R08: ffff88800dd71218 R09: 0000000000000000
[   25.038577][  T298] R10: ffffc90000c47118 R11: ffff88800dd71000 R12: 1ffff92000188e04
[   25.039037][  T298] R13: 00000000000005c8 R14: ffffc90000c47118 R15: ffff88800dd71218
[   25.039513][  T298] FS:  00007fa4b6ede800(0000) GS:ffff8880bcc99000(0000) knlGS:0000000000000000
[   25.040052][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.040451][  T298] CR2: 000000000043c2d0 CR3: 0000000010cc3005 CR4: 0000000000772ef0
[   25.040914][  T298] PKRU: 55555554
[   25.041159][  T298] Call Trace:
[   25.041399][  T298]  <TASK>
[ 25.041564][ T298] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 25.041879][ T298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.042199][ T298] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 25.042519][ T298] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 25.042837][ T298] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 25.043243][ T298] netif_set_mtu (net/core/dev.c:9652) 
[ 25.043558][ T298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.043879][ T298] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 25.044206][ T298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.044446][ T298] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.044765][ T298] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.045097][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.045425][ T298] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 25.045740][ T298] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 25.046055][ T298] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 25.046396][ T298] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.046721][ T298] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.047044][ T298] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.047374][ T298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.047682][ T298] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.047996][ T298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.048319][ T298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.048640][ T298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.048948][ T298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.049284][ T298] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.049607][ T298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.049930][ T298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.050264][ T298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.050575][ T298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.050892][ T298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.051211][ T298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.051528][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.051847][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.052174][ T298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.052485][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.052801][ T298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.053132][ T298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.053444][ T298] ? 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) 
[ 25.053756][ T298] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.054087][ T298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.054399][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.054717][ T298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.055032][ T298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.055365][ T298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.055688][ T298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.056001][ T298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.056327][ T298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.056725][ T298] ___sys_sendmsg (net/socket.c:2670) 
[ 25.057036][ T298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.057358][ T298] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 25.057671][ T298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.057978][ T298] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 25.058306][ T298] ? __handle_mm_fault (mm/memory.c:6212) 
[ 25.058619][ T298] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 25.058926][ T298] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 25.059265][ T298] __sys_sendmsg (net/socket.c:2700) 
[ 25.059579][ T298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.059887][ T298] ? 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) 
[ 25.060220][ T298] ? 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) 
[ 25.060533][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.060857][ T298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.061180][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.061563][  T298] RIP: 0033:0x7fa4b70ab1e7
[ 25.061884][ T298] 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)
[   25.062977][  T298] RSP: 002b:00007fff84e49708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.063450][  T298] RAX: ffffffffffffffda RBX: 00007fff84e49e40 RCX: 00007fa4b70ab1e7
[   25.063910][  T298] RDX: 0000000000000000 RSI: 00007fff84e49770 RDI: 0000000000000003
[   25.064378][  T298] RBP: 0000000000000002 R08: 0000000000000058 R09: 0000000000000000
[   25.064842][  T298] R10: 00007fa4b6fa36f8 R11: 0000000000000246 R12: 00007fff84e49e58
[   25.065328][  T298] R13: 00000000686e80f3 R14: 0000000000499600 R15: 00007fff84e49854
| [   25.851898][  T301] ------------[ cut here ]------------
| [ 25.852268][ T301] WARNING: CPU: 3 PID: 301 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) 
| [   25.852890][  T301] Modules linked in: ip_gre gre macsec ipvlan
| [   25.853958][  T301] Tainted: [W]=WARN
[   25.854206][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.854603][ T301] 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) 
[ 25.854924][ T301] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   25.856049][  T301] RSP: 0018:ffffc90000bc7000 EFLAGS: 00010246
[   25.856456][  T301] RAX: 0000000000000000 RBX: ffff888007cb1000 RCX: 0000000000000001
[   25.856922][  T301] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   25.857409][  T301] RBP: ffffc90000bc70e8 R08: ffff888007cb1218 R09: 0000000000000000
[   25.857875][  T301] R10: ffffc90000bc7118 R11: ffff888007cb1000 R12: 1ffff92000178e04
[   25.858350][  T301] R13: 00000000000005c8 R14: ffffc90000bc7118 R15: ffff888007cb1218
[   25.858817][  T301] FS:  00007f2815608800(0000) GS:ffff8880bcd19000(0000) knlGS:0000000000000000
[   25.859370][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.859760][  T301] CR2: 0000000000442010 CR3: 0000000010cb3003 CR4: 0000000000772ef0
[   25.860234][  T301] PKRU: 55555554
[   25.860468][  T301] Call Trace:
[   25.860706][  T301]  <TASK>
[ 25.860864][ T301] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 25.861208][ T301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.861522][ T301] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 25.861832][ T301] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 25.862172][ T301] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 25.862573][ T301] netif_set_mtu (net/core/dev.c:9652) 
[ 25.862885][ T301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.863219][ T301] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 25.863535][ T301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.863770][ T301] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.864095][ T301] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.864410][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.864726][ T301] ipip_newlink (net/ipv4/ipip.c:442) 
[ 25.865039][ T301] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 25.865395][ T301] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.865720][ T301] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.866031][ T301] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.866353][ T301] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.866661][ T301] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.866974][ T301] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.867292][ T301] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.867612][ T301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.867918][ T301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.868242][ T301] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.868563][ T301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.868893][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.869235][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.869548][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.869861][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.870186][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.870500][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.870816][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.871150][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.871461][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.871771][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.872105][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.872418][ T301] ? 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) 
[ 25.872730][ T301] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.873042][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.873373][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.873701][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.874016][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.874336][ T301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.874665][ T301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.874980][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.875323][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.875728][ T301] ___sys_sendmsg (net/socket.c:2670) 
[ 25.876043][ T301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.876368][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.876689][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.877002][ T301] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.877338][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.877665][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.877985][ T301] __sys_sendmsg (net/socket.c:2700) 
[ 25.878309][ T301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.878633][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.878946][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.879268][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.879657][  T301] RIP: 0033:0x7f28157d51e7
[ 25.879977][ T301] 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)
[   25.881106][  T301] RSP: 002b:00007fffa2f5f3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.881582][  T301] RAX: ffffffffffffffda RBX: 00007fffa2f5fb20 RCX: 00007f28157d51e7
[   25.882045][  T301] RDX: 0000000000000000 RSI: 00007fffa2f5f450 RDI: 0000000000000003
[   25.882519][  T301] RBP: 0000000000000002 R08: 0000000000000090 R09: 0000000000000000
[   25.882980][  T301] R10: 00007f28156cd6f8 R11: 0000000000000246 R12: 00007fffa2f5fb38
[   25.883454][  T301] R13: 00000000686e80f4 R14: 0000000000499600 R15: 00007fffa2f5f534
| [   34.612795][  T337] ------------[ cut here ]------------
| [ 34.613201][ T337] WARNING: CPU: 2 PID: 337 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) 
| [   34.613830][  T337] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   34.614976][  T337] Tainted: [W]=WARN
[   34.615265][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.615676][ T337] 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) 
[ 34.616005][ T337] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   34.617389][  T337] RSP: 0018:ffffc900006b7000 EFLAGS: 00010246
[   34.617791][  T337] RAX: 0000000000000000 RBX: ffff88800e7c4000 RCX: 0000000000000001
[   34.618270][  T337] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   34.618752][  T337] RBP: ffffc900006b70e8 R08: ffff88800e7c4218 R09: 0000000000000000
[   34.619260][  T337] R10: ffffc900006b7118 R11: ffff88800e7c4000 R12: 1ffff920000d6e04
[   34.619741][  T337] R13: 00000000000005c4 R14: ffffc900006b7118 R15: ffff88800e7c4218
[   34.620369][  T337] FS:  00007feac5150800(0000) GS:ffff8880bcc99000(0000) knlGS:0000000000000000
[   34.620928][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.621339][  T337] CR2: 00007feac5250130 CR3: 00000000101bd006 CR4: 0000000000772ef0
[   34.621816][  T337] PKRU: 55555554
[   34.622058][  T337] Call Trace:
[   34.622312][  T337]  <TASK>
[ 34.622480][ T337] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 34.622801][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.623143][ T337] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 34.623467][ T337] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 34.623790][ T337] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 34.624206][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 34.624524][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.624847][ T337] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 34.625190][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.625439][ T337] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 34.625759][ T337] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 34.626103][ T337] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 34.626430][ T337] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 34.626835][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.627178][ T337] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 34.627498][ T337] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 34.627808][ T337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 34.628125][ T337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 34.628440][ T337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 34.628747][ T337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 34.629059][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.629380][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 34.629728][ T337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 34.630055][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.630389][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.630728][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.631041][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.631374][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.631682][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.631994][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.632320][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.632634][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.632944][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.633272][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.633602][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.633909][ T337] ? 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) 
[ 34.634231][ T337] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 34.634543][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.634852][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.635216][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.635548][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.635866][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.636208][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.636533][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.636847][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.637271][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 34.637586][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.637899][ T337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 34.638225][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 34.638532][ T337] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 34.638846][ T337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 34.639173][ T337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 34.639480][ T337] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 34.639809][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 34.640136][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.640444][ T337] ? 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) 
[ 34.640762][ T337] ? 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) 
[ 34.641069][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.641397][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.641732][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.642133][  T337] RIP: 0033:0x7feac531d1e7
[ 34.642464][ T337] 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)
[   34.643572][  T337] RSP: 002b:00007ffcfe7afc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.644032][  T337] RAX: ffffffffffffffda RBX: 00007ffcfe7b0340 RCX: 00007feac531d1e7
[   34.644504][  T337] RDX: 0000000000000000 RSI: 00007ffcfe7afc70 RDI: 0000000000000003
[   34.644963][  T337] RBP: 0000000000000002 R08: 00000000000000a8 R09: 0000000000000000
[   34.645460][  T337] R10: 00007feac52156f8 R11: 0000000000000246 R12: 00007ffcfe7b0368
[   34.645926][  T337] R13: 00000000686e80fd R14: 0000000000499600 R15: 00007ffcfe7afd5c
| [   35.424501][  T340] ------------[ cut here ]------------
| [ 35.424927][ T340] WARNING: CPU: 3 PID: 340 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) 
| [   35.426465][  T340] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   35.427603][  T340] Tainted: [W]=WARN
[   35.427839][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.428235][ T340] 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) 
[ 35.428555][ T340] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   35.429681][  T340] RSP: 0018:ffffc90000607000 EFLAGS: 00010246
[   35.430087][  T340] RAX: 0000000000000000 RBX: ffff888009881000 RCX: 0000000000000001
[   35.430555][  T340] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   35.431022][  T340] RBP: ffffc900006070e8 R08: ffff888009881218 R09: 0000000000000000
[   35.431498][  T340] R10: ffffc90000607118 R11: ffff888009881000 R12: 1ffff920000c0e04
[   35.431962][  T340] R13: 00000000000005c8 R14: ffffc90000607118 R15: ffff888009881218
[   35.432437][  T340] FS:  00007f37399c6800(0000) GS:ffff8880bcd19000(0000) knlGS:0000000000000000
[   35.432980][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.433380][  T340] CR2: 000000000043c2d0 CR3: 000000000dfaa004 CR4: 0000000000772ef0
[   35.433850][  T340] PKRU: 55555554
[   35.434092][  T340] Call Trace:
[   35.434326][  T340]  <TASK>
[ 35.434485][ T340] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 35.434800][ T340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.435136][ T340] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 35.435449][ T340] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 35.435762][ T340] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 35.436173][ T340] netif_set_mtu (net/core/dev.c:9652) 
[ 35.436485][ T340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.436802][ T340] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 35.437124][ T340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.437360][ T340] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 35.437675][ T340] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 35.437992][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.438321][ T340] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 35.438631][ T340] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 35.438939][ T340] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 35.439258][ T340] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.439578][ T340] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 35.439889][ T340] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 35.440211][ T340] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 35.440524][ T340] ? __dev_get_by_name (net/core/dev.c:865) 
[ 35.440836][ T340] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.441152][ T340] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.441469][ T340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.441776][ T340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 35.442104][ T340] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 35.442425][ T340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.442741][ T340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.443067][ T340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.443383][ T340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.443697][ T340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.444007][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.444328][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.444643][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.444956][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.445288][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.445598][ T340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.445920][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.446238][ T340] ? 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) 
[ 35.446551][ T340] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.446864][ T340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.447181][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.447499][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.447811][ T340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.448130][ T340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.448449][ T340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.448761][ T340] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.449070][ T340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.449476][ T340] ___sys_sendmsg (net/socket.c:2670) 
[ 35.449793][ T340] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.450110][ T340] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 35.450427][ T340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 35.450735][ T340] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 35.451050][ T340] ? __handle_mm_fault (mm/memory.c:6212) 
[ 35.451368][ T340] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 35.451676][ T340] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 35.452011][ T340] __sys_sendmsg (net/socket.c:2700) 
[ 35.452329][ T340] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.452639][ T340] ? 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) 
[ 35.452956][ T340] ? 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) 
[ 35.453275][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.453588][ T340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.453900][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.454297][  T340] RIP: 0033:0x7f3739b931e7
[ 35.454617][ T340] 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)
[   35.455739][  T340] RSP: 002b:00007fffdb97f0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.456220][  T340] RAX: ffffffffffffffda RBX: 00007fffdb97f7f0 RCX: 00007f3739b931e7
[   35.456686][  T340] RDX: 0000000000000000 RSI: 00007fffdb97f120 RDI: 0000000000000003
[   35.457161][  T340] RBP: 0000000000000002 R08: 0000000000000060 R09: 0000000000000000
[   35.457624][  T340] R10: 00007f3739a8b6f8 R11: 0000000000000246 R12: 00007fffdb97f818
[   35.458098][  T340] R13: 00000000686e80fe R14: 0000000000499600 R15: 00007fffdb97f20c
| [   36.235329][  T343] ------------[ cut here ]------------
| [ 36.235671][ T343] WARNING: CPU: 3 PID: 343 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) 
| [   36.236445][  T343] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   36.237558][  T343] Tainted: [W]=WARN
[   36.237795][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.238182][ T343] 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) 
[ 36.238495][ T343] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   36.239592][  T343] RSP: 0018:ffffc90000617000 EFLAGS: 00010246
[   36.239974][  T343] RAX: 0000000000000000 RBX: ffff8880078e9000 RCX: 0000000000000001
[   36.240436][  T343] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   36.240889][  T343] RBP: ffffc900006170e8 R08: ffff8880078e9218 R09: 0000000000000000
[   36.241348][  T343] R10: ffffc90000617118 R11: ffff8880078e9000 R12: 1ffff920000c2e04
[   36.241805][  T343] R13: 00000000000005c8 R14: ffffc90000617118 R15: ffff8880078e9218
[   36.242265][  T343] FS:  00007f45c8719800(0000) GS:ffff8880bcd19000(0000) knlGS:0000000000000000
[   36.242793][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.243183][  T343] CR2: 0000000000442010 CR3: 000000000e609001 CR4: 0000000000772ef0
[   36.243643][  T343] PKRU: 55555554
[   36.243871][  T343] Call Trace:
[   36.244105][  T343]  <TASK>
[ 36.244261][ T343] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 36.244566][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.244869][ T343] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 36.245210][ T343] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 36.245521][ T343] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 36.245922][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 36.246241][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.246565][ T343] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 36.246892][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.247137][ T343] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 36.247450][ T343] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 36.247760][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.248090][ T343] ipip_newlink (net/ipv4/ipip.c:442) 
[ 36.248418][ T343] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 36.248726][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.249042][ T343] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 36.249366][ T343] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 36.249685][ T343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 36.249984][ T343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 36.250296][ T343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 36.250600][ T343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 36.250905][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.251214][ T343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 36.251522][ T343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 36.251833][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.252153][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.252467][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.252767][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.253084][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.253385][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.253692][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.253997][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.254314][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.254635][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.254946][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.255283][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.255593][ T343] ? 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) 
[ 36.255906][ T343] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.256243][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.256560][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.256868][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.257181][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.257489][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.257799][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.258110][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.258411][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.258799][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 36.259109][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.259416][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.259725][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.260026][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.260341][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.260652][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.260958][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 36.261270][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.261583][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.261886][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.262202][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.262576][  T343] RIP: 0033:0x7f45c88e61e7
[ 36.262883][ T343] 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)
[   36.263967][  T343] RSP: 002b:00007ffedaf43038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.264438][  T343] RAX: ffffffffffffffda RBX: 00007ffedaf43770 RCX: 00007f45c88e61e7
[   36.264891][  T343] RDX: 0000000000000000 RSI: 00007ffedaf430a0 RDI: 0000000000000003
[   36.265380][  T343] RBP: 0000000000000002 R08: 0000000000000098 R09: 0000000000000000
[   36.265842][  T343] R10: 00007f45c87de6f8 R11: 0000000000000246 R12: 00007ffedaf43798
[   36.266317][  T343] R13: 00000000686e80fe R14: 0000000000499600 R15: 00007ffedaf4318c
| [   44.713626][  T376] ------------[ cut here ]------------
| [ 44.714066][ T376] WARNING: CPU: 0 PID: 376 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) 
| [   44.714704][  T376] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   44.716337][  T376] Tainted: [W]=WARN
[   44.716588][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.716983][ T376] 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) 
[ 44.717317][ T376] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   44.718471][  T376] RSP: 0018:ffffc90000797000 EFLAGS: 00010246
[   44.718877][  T376] RAX: 0000000000000000 RBX: ffff8880078c1000 RCX: 0000000000000001
[   44.719358][  T376] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   44.719830][  T376] RBP: ffffc900007970e8 R08: ffff8880078c1218 R09: 0000000000000000
[   44.720310][  T376] R10: ffffc90000797118 R11: ffff8880078c1000 R12: 1ffff920000f2e04
[   44.720789][  T376] R13: 00000000000005c4 R14: ffffc90000797118 R15: ffff8880078c1218
[   44.721274][  T376] FS:  00007fcfbf693800(0000) GS:ffff8880bcb99000(0000) knlGS:0000000000000000
[   44.721828][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.722238][  T376] CR2: 0000000000436890 CR3: 000000000add7002 CR4: 0000000000772ef0
[   44.722710][  T376] PKRU: 55555554
[   44.722945][  T376] Call Trace:
[   44.723194][  T376]  <TASK>
[ 44.723355][ T376] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 44.723673][ T376] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.723984][ T376] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 44.724310][ T376] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 44.724626][ T376] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 44.725029][ T376] netif_set_mtu (net/core/dev.c:9652) 
[ 44.725509][ T376] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.725842][ T376] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 44.726174][ T376] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.726415][ T376] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 44.726732][ T376] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 44.727055][ T376] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 44.727382][ T376] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 44.727702][ T376] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 44.728108][ T376] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 44.728432][ T376] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 44.728749][ T376] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 44.729068][ T376] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 44.729395][ T376] ? __dev_get_by_name (net/core/dev.c:865) 
[ 44.729710][ T376] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 44.730029][ T376] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 44.730361][ T376] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.730682][ T376] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 44.731009][ T376] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.731337][ T376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.731667][ T376] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.731980][ T376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.732310][ T376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.732630][ T376] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.732947][ T376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.733273][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.733593][ T376] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.733912][ T376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.734240][ T376] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.734566][ T376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.734886][ T376] ? 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) 
[ 44.735235][ T376] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.735554][ T376] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.735868][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.736197][ T376] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.736521][ T376] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.736836][ T376] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.737170][ T376] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.737494][ T376] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.737807][ T376] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.738224][ T376] ___sys_sendmsg (net/socket.c:2670) 
[ 44.738541][ T376] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.738857][ T376] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 44.739187][ T376] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 44.739507][ T376] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 44.739827][ T376] ? __handle_mm_fault (mm/memory.c:6212) 
[ 44.740154][ T376] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 44.740472][ T376] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 44.740809][ T376] __sys_sendmsg (net/socket.c:2700) 
[ 44.741134][ T376] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.741450][ T376] ? 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) 
[ 44.741777][ T376] ? 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) 
[ 44.742111][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.742431][ T376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.742748][ T376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.743146][  T376] RIP: 0033:0x7fcfbf8601e7
[ 44.743467][ T376] 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)
[   44.744604][  T376] RSP: 002b:00007ffe98433d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.745097][  T376] RAX: ffffffffffffffda RBX: 00007ffe98434490 RCX: 00007fcfbf8601e7
[   44.745572][  T376] RDX: 0000000000000000 RSI: 00007ffe98433dc0 RDI: 0000000000000003
[   44.746050][  T376] RBP: 0000000000000002 R08: 00000000000000a8 R09: 0000000000000000
[   44.746533][  T376] R10: 00007fcfbf8eeac0 R11: 0000000000000246 R12: 00007ffe984344b8
[   44.747003][  T376] R13: 00000000686e8108 R14: 0000000000499600 R15: 00007ffe98433eac
| [   45.515887][  T379] ------------[ cut here ]------------
| [ 45.517553][ T379] WARNING: CPU: 1 PID: 379 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) 
| [   45.518248][  T379] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   45.519331][  T379] Tainted: [W]=WARN
[   45.519558][  T379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.519932][ T379] 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) 
[ 45.520249][ T379] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   45.521330][  T379] RSP: 0018:ffffc900007f7000 EFLAGS: 00010246
[   45.521708][  T379] RAX: 0000000000000000 RBX: ffff8880095f9000 RCX: 0000000000000001
[   45.522167][  T379] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   45.522621][  T379] RBP: ffffc900007f70e8 R08: ffff8880095f9218 R09: 0000000000000000
[   45.523068][  T379] R10: ffffc900007f7118 R11: ffff8880095f9000 R12: 1ffff920000fee04
[   45.523525][  T379] R13: 00000000000005c8 R14: ffffc900007f7118 R15: ffff8880095f9218
[   45.523971][  T379] FS:  00007fd4ed3a7800(0000) GS:ffff8880bcc19000(0000) knlGS:0000000000000000
[   45.524513][  T379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.524890][  T379] CR2: 000000000043c2d0 CR3: 00000000090a1002 CR4: 0000000000772ef0
[   45.525362][  T379] PKRU: 55555554
[   45.525590][  T379] Call Trace:
[   45.525814][  T379]  <TASK>
[ 45.525967][ T379] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 45.526280][ T379] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.526582][ T379] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 45.526883][ T379] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 45.527193][ T379] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 45.527578][ T379] netif_set_mtu (net/core/dev.c:9652) 
[ 45.527876][ T379] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.528193][ T379] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 45.528497][ T379] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.528731][ T379] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 45.529033][ T379] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 45.529343][ T379] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.529647][ T379] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 45.529944][ T379] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 45.530267][ T379] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 45.530566][ T379] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 45.530877][ T379] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 45.531196][ T379] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 45.531500][ T379] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 45.531795][ T379] ? __dev_get_by_name (net/core/dev.c:865) 
[ 45.532108][ T379] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 45.532410][ T379] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 45.532714][ T379] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.533016][ T379] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 45.533336][ T379] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.533644][ T379] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.533960][ T379] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.534263][ T379] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.534568][ T379] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.534865][ T379] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.535179][ T379] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.535483][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.535792][ T379] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.536101][ T379] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.536400][ T379] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.536709][ T379] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.537006][ T379] ? 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) 
[ 45.537312][ T379] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.537616][ T379] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.537917][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.538234][ T379] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.538548][ T379] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.538852][ T379] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.539168][ T379] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.539470][ T379] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.539768][ T379] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.540167][ T379] ___sys_sendmsg (net/socket.c:2670) 
[ 45.540471][ T379] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.540772][ T379] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 45.541085][ T379] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 45.541384][ T379] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 45.541687][ T379] ? __handle_mm_fault (mm/memory.c:6212) 
[ 45.541988][ T379] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 45.542292][ T379] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 45.542608][ T379] __sys_sendmsg (net/socket.c:2700) 
[ 45.542907][ T379] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.543213][ T379] ? 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) 
[ 45.543520][ T379] ? 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) 
[ 45.543818][ T379] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.544135][ T379] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.544435][ T379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.544805][  T379] RIP: 0033:0x7fd4ed5741e7
[ 45.545124][ T379] 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)
[   45.546200][  T379] RSP: 002b:00007ffc929bf988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.546658][  T379] RAX: ffffffffffffffda RBX: 00007ffc929c00c0 RCX: 00007fd4ed5741e7
[   45.547111][  T379] RDX: 0000000000000000 RSI: 00007ffc929bf9f0 RDI: 0000000000000003
[   45.547557][  T379] RBP: 0000000000000002 R08: 0000000000000060 R09: 0000000000000000
[   45.548005][  T379] R10: 00007fd4ed602ac0 R11: 0000000000000246 R12: 00007ffc929c00e8
[   45.548466][  T379] R13: 00000000686e8109 R14: 0000000000499600 R15: 00007ffc929bfadc
| [   46.337720][  T382] ------------[ cut here ]------------
| [ 46.338164][ T382] WARNING: CPU: 3 PID: 382 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) 
| [   46.338792][  T382] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   46.339935][  T382] Tainted: [W]=WARN
[   46.340179][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.340565][ T382] 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) 
[ 46.340886][ T382] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   46.342005][  T382] RSP: 0018:ffffc90000847000 EFLAGS: 00010246
[   46.342412][  T382] RAX: 0000000000000000 RBX: ffff888008b71000 RCX: 0000000000000001
[   46.342878][  T382] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   46.343362][  T382] RBP: ffffc900008470e8 R08: ffff888008b71218 R09: 0000000000000000
[   46.343831][  T382] R10: ffffc90000847118 R11: ffff888008b71000 R12: 1ffff92000108e04
[   46.344437][  T382] R13: 00000000000005c8 R14: ffffc90000847118 R15: ffff888008b71218
[   46.344904][  T382] FS:  00007f874a2ad800(0000) GS:ffff8880bcd19000(0000) knlGS:0000000000000000
[   46.345465][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.345857][  T382] CR2: 0000000000442010 CR3: 000000000c6e0004 CR4: 0000000000772ef0
[   46.346344][  T382] PKRU: 55555554
[   46.346577][  T382] Call Trace:
[   46.346808][  T382]  <TASK>
[ 46.346968][ T382] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 46.347303][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.347611][ T382] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 46.347920][ T382] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 46.348256][ T382] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 46.348661][ T382] netif_set_mtu (net/core/dev.c:9652) 
[ 46.348972][ T382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 46.349304][ T382] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 46.349623][ T382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 46.349860][ T382] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 46.350181][ T382] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 46.350493][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.350813][ T382] ipip_newlink (net/ipv4/ipip.c:442) 
[ 46.351143][ T382] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 46.351464][ T382] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.351784][ T382] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 46.352108][ T382] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 46.352422][ T382] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 46.352731][ T382] ? __dev_get_by_name (net/core/dev.c:865) 
[ 46.353042][ T382] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 46.353364][ T382] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 46.353680][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.353994][ T382] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 46.354322][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.354635][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.354955][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.355298][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.355616][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.355930][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.356250][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.356564][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.356878][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.357199][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.357521][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.357841][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.358164][ T382] ? 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) 
[ 46.358477][ T382] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.358788][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.359115][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.359433][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.359746][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.360058][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.360395][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.360708][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.361014][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.361423][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 46.361733][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.362046][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.362369][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.362698][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.363012][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.363349][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.363665][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 46.363973][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.364318][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.364630][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.364943][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.365349][  T382] RIP: 0033:0x7f874a47a1e7
[ 46.365671][ T382] 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)
[   46.366780][  T382] RSP: 002b:00007ffcf1a624b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.367269][  T382] RAX: ffffffffffffffda RBX: 00007ffcf1a62bf0 RCX: 00007f874a47a1e7
[   46.367735][  T382] RDX: 0000000000000000 RSI: 00007ffcf1a62520 RDI: 0000000000000003
[   46.368215][  T382] RBP: 0000000000000002 R08: 0000000000000098 R09: 0000000000000000
[   46.368680][  T382] R10: 00007f874a508ac0 R11: 0000000000000246 R12: 00007ffcf1a62c18
[   46.369159][  T382] R13: 00000000686e810a R14: 0000000000499600 R15: 00007ffcf1a6260c
| [   54.899030][  T415] ------------[ cut here ]------------
| [ 54.899513][ T415] WARNING: CPU: 2 PID: 415 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) 
| [   54.900159][  T415] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   54.901291][  T415] Tainted: [W]=WARN
[   54.901540][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.901950][ T415] 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) 
[ 54.902299][ T415] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   54.903439][  T415] RSP: 0018:ffffc90000757000 EFLAGS: 00010246
[   54.903857][  T415] RAX: 0000000000000000 RBX: ffff88800a9f9000 RCX: 0000000000000001
[   54.904344][  T415] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   54.904814][  T415] RBP: ffffc900007570e8 R08: ffff88800a9f9218 R09: 0000000000000000
[   54.905323][  T415] R10: ffffc90000757118 R11: ffff88800a9f9000 R12: 1ffff920000eae04
[   54.905804][  T415] R13: 00000000000005c4 R14: ffffc90000757118 R15: ffff88800a9f9218
[   54.906281][  T415] FS:  00007fc08e2fa800(0000) GS:ffff8880bcc99000(0000) knlGS:0000000000000000
[   54.906829][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.907243][  T415] CR2: 0000000000436890 CR3: 00000000103f0003 CR4: 0000000000772ef0
[   54.907734][  T415] PKRU: 55555554
[   54.907986][  T415] Call Trace:
[   54.908247][  T415]  <TASK>
[ 54.908427][ T415] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 54.908757][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.909089][ T415] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 54.909414][ T415] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 54.909736][ T415] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 54.910170][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 54.910492][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.910828][ T415] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 54.911161][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.911409][ T415] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 54.911727][ T415] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 54.912053][ T415] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 54.912386][ T415] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 54.912707][ T415] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 54.913112][ T415] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 54.913442][ T415] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 54.913765][ T415] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 54.914094][ T415] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 54.914413][ T415] ? __dev_get_by_name (net/core/dev.c:865) 
[ 54.914734][ T415] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 54.915050][ T415] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 54.915401][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.915731][ T415] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 54.916065][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.916399][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.916731][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.917043][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.917396][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.917714][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.918040][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.918374][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.918700][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.919025][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.919363][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.919695][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.920011][ T415] ? 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) 
[ 54.920348][ T415] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 54.920668][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.920987][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.921318][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.921637][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.921951][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.922282][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.922609][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.922928][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.923341][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 54.923667][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.923990][ T415] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 54.924332][ T415] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 54.924651][ T415] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 54.924989][ T415] ? __handle_mm_fault (mm/memory.c:6212) 
[ 54.925332][ T415] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 54.925653][ T415] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 54.925998][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 54.926334][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.926651][ T415] ? 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) 
[ 54.926981][ T415] ? 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) 
[ 54.927321][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.927645][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.927968][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.928373][  T415] RIP: 0033:0x7fc08e4c71e7
[ 54.928703][ T415] 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)
[   54.929823][  T415] RSP: 002b:00007ffc5d0ce778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.930307][  T415] RAX: ffffffffffffffda RBX: 00007ffc5d0ceeb0 RCX: 00007fc08e4c71e7
[   54.930780][  T415] RDX: 0000000000000000 RSI: 00007ffc5d0ce7e0 RDI: 0000000000000003
[   54.931264][  T415] RBP: 0000000000000002 R08: 00000000000000b0 R09: 0000000000000000
[   54.931743][  T415] R10: 00007fc08e555ac0 R11: 0000000000000246 R12: 00007ffc5d0ceee8
[   54.932238][  T415] R13: 00000000686e8111 R14: 0000000000499600 R15: 00007ffc5d0ce8d4
| [   55.711735][  T418] ------------[ cut here ]------------
| [ 55.713552][ T418] WARNING: CPU: 1 PID: 418 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) 
| [   55.714249][  T418] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   55.715364][  T418] Tainted: [W]=WARN
[   55.715592][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.715967][ T418] 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) 
[ 55.716285][ T418] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   55.717364][  T418] RSP: 0018:ffffc90000a67000 EFLAGS: 00010246
[   55.717741][  T418] RAX: 0000000000000000 RBX: ffff88800e644000 RCX: 0000000000000001
[   55.718211][  T418] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   55.718659][  T418] RBP: ffffc90000a670e8 R08: ffff88800e644218 R09: 0000000000000000
[   55.719121][  T418] R10: ffffc90000a67118 R11: ffff88800e644000 R12: 1ffff9200014ce04
[   55.719569][  T418] R13: 00000000000005c8 R14: ffffc90000a67118 R15: ffff88800e644218
[   55.720018][  T418] FS:  00007f22e9c8b800(0000) GS:ffff8880bcc19000(0000) knlGS:0000000000000000
[   55.720553][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.720931][  T418] CR2: 000000000043c2d0 CR3: 0000000009499004 CR4: 0000000000772ef0
[   55.721395][  T418] PKRU: 55555554
[   55.721622][  T418] Call Trace:
[   55.721849][  T418]  <TASK>
[ 55.722003][ T418] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 55.722320][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.722617][ T418] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 55.722919][ T418] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 55.723236][ T418] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 55.723620][ T418] netif_set_mtu (net/core/dev.c:9652) 
[ 55.723920][ T418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.724240][ T418] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 55.724546][ T418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.724773][ T418] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 55.725086][ T418] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 55.725403][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.725715][ T418] vti_newlink (net/ipv4/ip_vti.c:580 (discriminator 4)) 
[ 55.726016][ T418] ? alloc_netdev_mqs (net/core/dev.c:11834) 
[ 55.726328][ T418] ? __pfx_vti_newlink (net/ipv4/ip_vti.c:580) 
[ 55.726628][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 55.726938][ T418] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 55.727249][ T418] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 55.727555][ T418] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 55.727860][ T418] ? __dev_get_by_name (net/core/dev.c:865) 
[ 55.728169][ T418] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 55.728468][ T418] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 55.728771][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.729087][ T418] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 55.729397][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.729703][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.730014][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.730324][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.730628][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.730926][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.731233][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.731536][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.731839][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.732148][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.732456][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.732767][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.733065][ T418] ? 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) 
[ 55.733375][ T418] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 55.733677][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.733976][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.734287][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.734599][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.734899][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.735230][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.735533][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.735829][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.736222][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 55.736525][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.736831][ T418] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 55.737149][ T418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 55.737450][ T418] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 55.737752][ T418] ? __handle_mm_fault (mm/memory.c:6212) 
[ 55.738053][ T418] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 55.738359][ T418] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 55.738688][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 55.738989][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.739296][ T418] ? 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) 
[ 55.739605][ T418] ? 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) 
[ 55.739905][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.740216][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.740518][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.740893][  T418] RIP: 0033:0x7f22e9e581e7
[ 55.741227][ T418] 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)
[   55.742308][  T418] RSP: 002b:00007ffeb9bfce38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.742763][  T418] RAX: ffffffffffffffda RBX: 00007ffeb9bfd570 RCX: 00007f22e9e581e7
[   55.743235][  T418] RDX: 0000000000000000 RSI: 00007ffeb9bfcea0 RDI: 0000000000000003
[   55.743688][  T418] RBP: 0000000000000002 R08: 0000000000000068 R09: 0000000000000000
[   55.744150][  T418] R10: 00007f22e9ee6ac0 R11: 0000000000000246 R12: 00007ffeb9bfd5a8
[   55.744602][  T418] R13: 00000000686e8112 R14: 0000000000499600 R15: 00007ffeb9bfcf94
| [   56.523118][  T421] ------------[ cut here ]------------
| [ 56.523585][ T421] WARNING: CPU: 2 PID: 421 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) 
| [   56.524830][  T421] Modules linked in: xfrm_interface ip6_gre ip_gre gre macsec ipvlan
| [   56.525991][  T421] Tainted: [W]=WARN
[   56.526248][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.526644][ T421] 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) 
[ 56.526962][ T421] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   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 da fc 9b 00       	call   0x9bfcfb
  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
[   56.528053][  T421] RSP: 0018:ffffc90000aa7000 EFLAGS: 00010246
[   56.528476][  T421] RAX: 0000000000000000 RBX: ffff88800eaa1000 RCX: 0000000000000001
[   56.528941][  T421] RDX: 0000000000000000 RSI: ffffffffadd10751 RDI: ffffffffad458280
[   56.529415][  T421] RBP: ffffc90000aa70e8 R08: ffff88800eaa1218 R09: 0000000000000000
[   56.529887][  T421] R10: ffffc90000aa7118 R11: ffff88800eaa1000 R12: 1ffff92000154e04
[   56.530360][  T421] R13: 00000000000005c8 R14: ffffc90000aa7118 R15: ffff88800eaa1218
[   56.530826][  T421] FS:  00007f65726aa800(0000) GS:ffff8880bcc99000(0000) knlGS:0000000000000000
[   56.531387][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.531786][  T421] CR2: 0000000000442010 CR3: 000000000e3b7001 CR4: 0000000000772ef0
[   56.532282][  T421] PKRU: 55555554
[   56.532528][  T421] Call Trace:
[   56.532768][  T421]  <TASK>
[ 56.532934][ T421] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 56.533285][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.533609][ T421] ? packet_notifier (net/packet/af_packet.c:4286) 
[ 56.533915][ T421] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 
[ 56.534243][ T421] ? __pfx_macsec_notify (drivers/net/macsec.c:4489) macsec 
[ 56.534632][ T421] netif_set_mtu (net/core/dev.c:9652) 
[ 56.534937][ T421] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.535288][ T421] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 56.535606][ T421] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.535847][ T421] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 56.536183][ T421] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 56.536509][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.536831][ T421] ipip_newlink (net/ipv4/ipip.c:442) 
[ 56.537158][ T421] ? __pfx_ipip_newlink (net/ipv4/ipip.c:442) 
[ 56.537473][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.537793][ T421] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 56.538128][ T421] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 56.538444][ T421] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 56.538755][ T421] ? __dev_get_by_name (net/core/dev.c:865) 
[ 56.539084][ T421] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.539407][ T421] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.539717][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.540028][ T421] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 56.540361][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.540702][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.541028][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.541351][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.541690][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.541998][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.542315][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.542626][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.542934][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.543250][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.543553][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.543876][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.544196][ T421] ? 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) 
[ 56.544531][ T421] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.544846][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.545175][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.545495][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.545813][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.546145][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.546468][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.546786][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.547117][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.547506][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 56.547812][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.548156][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.548478][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.548789][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.549115][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.549450][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.549758][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 56.550066][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.550394][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.550702][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.551015][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.551436][  T421] RIP: 0033:0x7f65728771e7
[ 56.551760][ T421] 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)
[   56.552868][  T421] RSP: 002b:00007ffd9beac158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.553370][  T421] RAX: ffffffffffffffda RBX: 00007ffd9beac890 RCX: 00007f65728771e7
[   56.553834][  T421] RDX: 0000000000000000 RSI: 00007ffd9beac1c0 RDI: 0000000000000003
[   56.554314][  T421] RBP: 0000000000000002 R08: 00000000000000a0 R09: 0000000000000000
[   56.554766][  T421] R10: 00007f6572905ac0 R11: 0000000000000246 R12: 00007ffd9beac8c8


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