======================================
| [   21.365611][  T321] ip_gre: GRE over IPv4 tunneling driver
| [   21.411703][  T320] ------------[ cut here ]------------
| [ 21.412290][ T320] WARNING: CPU: 0 PID: 320 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.413132][  T320] Modules linked in: ip_gre gre 8021q vrf veth
[   21.414432][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.415004][ T320] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.415334][ T320] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.416658][  T320] RSP: 0018:ffffc90000617000 EFLAGS: 00010246
[   21.417057][  T320] RAX: 0000000000000000 RBX: ffff8880075b9000 RCX: 0000000000000001
[   21.417732][  T320] RDX: 0000000000000000 RSI: ffffffffb889b941 RDI: ffffffffb80555e0
[   21.418206][  T320] RBP: ffffc900006170e8 R08: ffff8880075b9218 R09: 0000000000000000
[   21.418823][  T320] R10: ffffc90000617118 R11: ffffffffb8d79160 R12: 1ffff920000c2e04
[   21.419288][  T320] R13: 000000000000ffe7 R14: ffffc90000617118 R15: ffff8880075b9218
[   21.419978][  T320] FS:  00007fce5d36d800(0000) GS:ffff88807b8b7000(0000) knlGS:0000000000000000
[   21.420714][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.421110][  T320] CR2: 00007fd22a1fae10 CR3: 0000000014dc5004 CR4: 0000000000772ef0
[   21.421726][  T320] PKRU: 55555554
[   21.421970][  T320] Call Trace:
[   21.422210][  T320]  <TASK>
[ 21.422373][ T320] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.422912][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.423225][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.423694][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 21.424058][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.424384][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.424628][ T320] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.424941][ T320] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.425257][ T320] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.425589][ T320] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.425972][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.426291][ T320] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.426610][ T320] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.426925][ T320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.427230][ T320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.427549][ T320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.427859][ T320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.428180][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.428495][ T320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.428810][ T320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.429132][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.429444][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.429769][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.430076][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.430383][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.430699][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.431006][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.431615][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.431934][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.432243][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.432560][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.432881][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.433188][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.446616][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.447158][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.447473][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.447795][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.448106][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.448414][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.448741][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.449052][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.449357][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.450199][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 21.450514][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.450825][ T320] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.451428][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.451746][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.452056][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.452597][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.453130][ T320] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.453444][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.453981][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 21.454516][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.454897][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.455214][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.455537][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.455850][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.456236][  T320] RIP: 0033:0x7fce5d53a1e7
[ 21.456573][ T320] Code: Unable to access opcode bytes at 0x7fce5d53a1bd.

Code starting with the faulting instruction
===========================================
[   21.456977][  T320] RSP: 002b:00007ffd258bd468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.457442][  T320] RAX: ffffffffffffffda RBX: 00007ffd258bdb90 RCX: 00007fce5d53a1e7
[   21.457913][  T320] RDX: 0000000000000000 RSI: 00007ffd258bd4d0 RDI: 0000000000000005
[   21.459061][  T320] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.459539][  T320] R10: 00007fce5d437ee8 R11: 0000000000000246 R12: 00007ffd258bdbb0
[   21.460003][  T320] R13: 00000000686e1c94 R14: 0000000000499600 R15: 00007ffd258bd5b4
| [   22.298885][  T331] ------------[ cut here ]------------
| [ 22.299251][ T331] WARNING: CPU: 3 PID: 331 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) 
| [   22.299885][  T331] Modules linked in: ip_gre gre 8021q vrf veth
| [   22.301557][  T331] Tainted: [W]=WARN
[   22.301796][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.302192][ T331] 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) 
[ 22.302519][ T331] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.303623][  T331] RSP: 0018:ffffc90000557000 EFLAGS: 00010246
[   22.304017][  T331] RAX: 0000000000000000 RBX: ffff888004f61000 RCX: 0000000000000001
[   22.304487][  T331] RDX: 0000000000000000 RSI: ffffffffb889b941 RDI: ffffffffb80555e0
[   22.304958][  T331] RBP: ffffc900005570e8 R08: ffff888004f61218 R09: 0000000000000000
[   22.305422][  T331] R10: ffffc90000557118 R11: ffffffffb8d79160 R12: 1ffff920000aae04
[   22.305913][  T331] R13: 000000000000ffe7 R14: ffffc90000557118 R15: ffff888004f61218
[   22.306384][  T331] FS:  00007ff456f28800(0000) GS:ffff88807ba37000(0000) knlGS:0000000000000000
[   22.306923][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.307306][  T331] CR2: 00000000004e7390 CR3: 00000000158d2004 CR4: 0000000000772ef0
[   22.307771][  T331] PKRU: 55555554
[   22.308003][  T331] Call Trace:
[   22.308232][  T331]  <TASK>
[ 22.308387][ T331] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.308782][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.309094][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.309411][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 22.309745][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.310067][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.310297][ T331] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.310618][ T331] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.310931][ T331] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.311248][ T331] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.311640][ T331] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.311954][ T331] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.312264][ T331] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 22.312581][ T331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.312881][ T331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.313189][ T331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.313508][ T331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.313825][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.314135][ T331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.314445][ T331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.314773][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.315104][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.315421][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.315748][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.316053][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.316360][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.316676][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.316985][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.317295][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.317609][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.317919][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.318234][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.318551][ T331] ? 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) 
[ 22.318859][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.319166][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.319468][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.319787][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.320097][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.320401][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.320724][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.321039][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.321344][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.321744][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 22.322048][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.322353][ T331] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.322742][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.323057][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.323374][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.323691][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.323997][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.324303][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.324631][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 22.324934][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.325308][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.325659][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.325971][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.326280][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.326670][  T331] RIP: 0033:0x7ff4570f51e7
[ 22.326988][ T331] 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)
[   22.328100][  T331] RSP: 002b:00007ffc07f61228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.328570][  T331] RAX: ffffffffffffffda RBX: 00007ffc07f61950 RCX: 00007ff4570f51e7
[   22.329026][  T331] RDX: 0000000000000000 RSI: 00007ffc07f61290 RDI: 0000000000000005
[   22.329493][  T331] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   22.329952][  T331] R10: 00007ff456ff2ee8 R11: 0000000000000246 R12: 00007ffc07f61970
[   22.330408][  T331] R13: 00000000686e1c95 R14: 0000000000499600 R15: 00007ffc07f61374
| [   25.733186][  T365] ------------[ cut here ]------------
| [ 25.734319][ T365] WARNING: CPU: 3 PID: 365 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) 
| [   25.735014][  T365] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.736208][  T365] Tainted: [W]=WARN
[   25.736454][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.736898][ T365] 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) 
[ 25.737262][ T365] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   25.738486][  T365] RSP: 0018:ffffc900007b7000 EFLAGS: 00010246
[   25.738933][  T365] RAX: 0000000000000000 RBX: ffff888012d2c000 RCX: 0000000000000001
[   25.739434][  T365] RDX: 0000000000000000 RSI: ffffffffb889b941 RDI: ffffffffb80555e0
[   25.739938][  T365] RBP: ffffc900007b70e8 R08: ffff888012d2c218 R09: 0000000000000000
[   25.740442][  T365] R10: ffffc900007b7118 R11: ffffffffb8d79160 R12: 1ffff920000f6e04
[   25.740978][  T365] R13: 000000000000ffe7 R14: ffffc900007b7118 R15: ffff888012d2c218
[   25.741493][  T365] FS:  00007f70d3b84800(0000) GS:ffff88807ba37000(0000) knlGS:0000000000000000
[   25.742074][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.742517][  T365] CR2: 00000000004e73d0 CR3: 0000000014fd0002 CR4: 0000000000772ef0
[   25.743040][  T365] PKRU: 55555554
[   25.743282][  T365] Call Trace:
[   25.743545][  T365]  <TASK>
[ 25.743717][ T365] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.744152][ T365] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.744512][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.744880][ T365] netif_set_mtu (net/core/dev.c:9652) 
[ 25.745229][ T365] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.745619][ T365] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.745883][ T365] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.746245][ T365] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.746604][ T365] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.746960][ T365] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.747373][ T365] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.747723][ T365] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.748079][ T365] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.748415][ T365] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.748761][ T365] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.749101][ T365] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.749421][ T365] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.749781][ T365] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.750115][ T365] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.750454][ T365] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.750814][ T365] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.751139][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.751468][ T365] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.751793][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.752115][ T365] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.752443][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.752775][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.753123][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.753475][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.753824][ T365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.754158][ T365] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.754510][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.754861][ T365] ? 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) 
[ 25.755201][ T365] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.755556][ T365] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.755892][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.756238][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.756570][ T365] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.756913][ T365] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.757259][ T365] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.757608][ T365] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.757938][ T365] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.758380][ T365] ___sys_sendmsg (net/socket.c:2670) 
[ 25.758716][ T365] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.759053][ T365] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 25.759452][ T365] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.759784][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.760111][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.760448][ T365] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.760791][ T365] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.761127][ T365] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.761465][ T365] __sys_sendmsg (net/socket.c:2700) 
[ 25.761795][ T365] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.762194][ T365] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.762546][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.762875][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.763213][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.763616][  T365] RIP: 0033:0x7f70d3d511e7
[ 25.763971][ T365] 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)
[   25.765179][  T365] RSP: 002b:00007ffe76963088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.765695][  T365] RAX: ffffffffffffffda RBX: 00007ffe769637b0 RCX: 00007f70d3d511e7
[   25.766192][  T365] RDX: 0000000000000000 RSI: 00007ffe769630f0 RDI: 0000000000000005
[   25.766690][  T365] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.767175][  T365] R10: 00007f70d3c4eee8 R11: 0000000000000246 R12: 00007ffe769637d0
[   25.767666][  T365] R13: 00000000686e1c99 R14: 0000000000499600 R15: 00007ffe769631d4
| [   26.476074][  T372] ------------[ cut here ]------------
| [ 26.476457][ T372] WARNING: CPU: 3 PID: 372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.477127][  T372] Modules linked in: ip_gre gre 8021q vrf veth
| [   26.478244][  T372] Tainted: [W]=WARN
[   26.478514][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.478932][ T372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.479279][ T372] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.480466][  T372] RSP: 0018:ffffc90000807000 EFLAGS: 00010246
[   26.480889][  T372] RAX: 0000000000000000 RBX: ffff888005229000 RCX: 0000000000000001
[   26.481378][  T372] RDX: 0000000000000000 RSI: ffffffffb889b941 RDI: ffffffffb80555e0
[   26.481883][  T372] RBP: ffffc900008070e8 R08: ffff888005229218 R09: 0000000000000000
[   26.482362][  T372] R10: ffffc90000807118 R11: ffffffffb8d79160 R12: 1ffff92000100e04
[   26.482849][  T372] R13: 000000000000ffe7 R14: ffffc90000807118 R15: ffff888005229218
[   26.483328][  T372] FS:  00007f0a16590800(0000) GS:ffff88807ba37000(0000) knlGS:0000000000000000
[   26.483898][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.484305][  T372] CR2: 00000000004e73d0 CR3: 0000000015be9004 CR4: 0000000000772ef0
[   26.484799][  T372] PKRU: 55555554
[   26.485050][  T372] Call Trace:
[   26.485293][  T372]  <TASK>
[ 26.485463][ T372] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.485894][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.486216][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.486555][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 26.486881][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.487230][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.487490][ T372] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.487810][ T372] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.488138][ T372] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.488462][ T372] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.488870][ T372] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.489201][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.489531][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 26.489852][ T372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.490171][ T372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.490516][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.490839][ T372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.491181][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.491524][ T372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.491867][ T372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.492208][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.492566][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.492919][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.493250][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.493599][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.493931][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.494261][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.494625][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.494963][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.495295][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.495660][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.496012][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.496368][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.496722][ T372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.497063][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.497399][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.497754][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.498096][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.498433][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.498794][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.499140][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.499472][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.499918][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 26.500251][ T372] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.500604][ T372] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 26.501021][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.501362][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.501713][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.502054][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.502389][ T372] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.502735][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.503078][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 26.503412][ T372] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.503839][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.504187][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.504534][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.504874][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.505289][  T372] RIP: 0033:0x7f0a1675d1e7
[ 26.505656][ T372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.506858][  T372] RSP: 002b:00007fffae086ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.507362][  T372] RAX: ffffffffffffffda RBX: 00007fffae0875f0 RCX: 00007f0a1675d1e7
[   26.507876][  T372] RDX: 0000000000000000 RSI: 00007fffae086f30 RDI: 0000000000000005
[   26.508374][  T372] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   26.508879][  T372] R10: 00007f0a1665aee8 R11: 0000000000000246 R12: 00007fffae087610


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