======================================
| [   20.628590][  T321] ip_gre: GRE over IPv4 tunneling driver
| [   20.703165][  T320] ------------[ cut here ]------------
| [ 20.703979][ T320] WARNING: CPU: 2 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) 
| [   20.705132][  T320] Modules linked in: ip_gre gre 8021q vrf veth
[   20.706280][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.706700][ 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) 
[ 20.707051][ T320] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.708206][  T320] RSP: 0018:ffffc900007e7000 EFLAGS: 00010246
[   20.708636][  T320] RAX: 0000000000000000 RBX: ffff88800c051000 RCX: 0000000000000001
[   20.709197][  T320] RDX: 0000000000000000 RSI: ffffffff92a9b939 RDI: ffffffff922555e0
[   20.709738][  T320] RBP: ffffc900007e70e8 R08: ffff88800c051218 R09: 0000000000000000
[   20.710668][  T320] R10: ffffc900007e7118 R11: ffffffff92f79160 R12: 1ffff920000fce04
[   20.711284][  T320] R13: 000000000000ffe7 R14: ffffc900007e7118 R15: ffff88800c051218
[   20.711890][  T320] FS:  00007fd96c1ac800(0000) GS:ffff8880a17b7000(0000) knlGS:0000000000000000
[   20.712508][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.712928][  T320] CR2: 000055f17454ba88 CR3: 000000000de84002 CR4: 0000000000772ef0
[   20.713459][  T320] PKRU: 55555554
[   20.713722][  T320] Call Trace:
[   20.714004][  T320]  <TASK>
[ 20.714196][ T320] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.715180][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.715529][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.715873][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 20.716234][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.716592][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.716853][ T320] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.717201][ T320] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.717569][ T320] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.717922][ T320] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.718357][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.718696][ T320] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.719032][ T320] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 20.719404][ T320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.719732][ T320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.720131][ T320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.720559][ T320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.720969][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.721415][ T320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.721771][ T320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.722154][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.722495][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.722828][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.724303][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.724633][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.725058][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.730360][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.730697][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.731053][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.731397][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.731735][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.732323][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.732645][ 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) 
[ 20.733667][ T320] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.734001][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.734781][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.735119][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.735467][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.735863][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.736286][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.736741][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.737175][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.737659][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 20.738052][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.738450][ 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) 
[ 20.738965][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.739412][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.741244][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.741585][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.741908][ 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) 
[ 20.742261][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.743051][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 20.743387][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.743791][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.744205][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.744577][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.745005][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.745507][  T320] RIP: 0033:0x7fd96c3791e7
[ 20.745906][ T320] Code: Unable to access opcode bytes at 0x7fd96c3791bd.

Code starting with the faulting instruction
===========================================
[   20.746455][  T320] RSP: 002b:00007ffd441b1d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.746965][  T320] RAX: ffffffffffffffda RBX: 00007ffd441b2430 RCX: 00007fd96c3791e7
[   20.747468][  T320] RDX: 0000000000000000 RSI: 00007ffd441b1d70 RDI: 0000000000000005
[   20.747944][  T320] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.748461][  T320] R10: 00007fd96c276ee8 R11: 0000000000000246 R12: 00007ffd441b2450
[   20.748941][  T320] R13: 00000000686e7081 R14: 0000000000499600 R15: 00007ffd441b1e54
| [   21.578712][  T331] ------------[ cut here ]------------
| [ 21.579094][ 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) 
| [   21.579761][  T331] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.582369][  T331] Tainted: [W]=WARN
[   21.582632][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.583040][ 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) 
[ 21.583390][ T331] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   21.584554][  T331] RSP: 0018:ffffc90000507000 EFLAGS: 00010246
[   21.584962][  T331] RAX: 0000000000000000 RBX: ffff888009454000 RCX: 0000000000000001
[   21.585454][  T331] RDX: 0000000000000000 RSI: ffffffff92a9b939 RDI: ffffffff922555e0
[   21.585942][  T331] RBP: ffffc900005070e8 R08: ffff888009454218 R09: 0000000000000000
[   21.586433][  T331] R10: ffffc90000507118 R11: ffffffff92f79160 R12: 1ffff920000a0e04
[   21.586913][  T331] R13: 000000000000ffe7 R14: ffffc90000507118 R15: ffff888009454218
[   21.587401][  T331] FS:  00007fb9cd5e3800(0000) GS:ffff8880a1837000(0000) knlGS:0000000000000000
[   21.587972][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.588391][  T331] CR2: 00007fc992013a00 CR3: 0000000009fb1004 CR4: 0000000000772ef0
[   21.588880][  T331] PKRU: 55555554
[   21.589129][  T331] Call Trace:
[   21.589387][  T331]  <TASK>
[ 21.589553][ T331] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.589961][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.590311][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.590650][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 21.590977][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.591324][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.591571][ T331] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.591900][ T331] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.592263][ T331] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.592610][ T331] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.593012][ T331] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.593353][ T331] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.593676][ T331] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 21.594002][ T331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.594333][ T331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.594655][ T331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.594979][ T331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.595321][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.595640][ T331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.595961][ T331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.596306][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.596632][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.596964][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.597330][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.597659][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.597971][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.598308][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.598642][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.598975][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.599317][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.599636][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.599986][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.600315][ 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) 
[ 21.600638][ T331] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.600952][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.601273][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.601596][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.601913][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.602248][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.602579][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.602899][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.603216][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.603639][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 21.603956][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.604290][ 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) 
[ 21.604696][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.605020][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.605358][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.605675][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.605999][ 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) 
[ 21.606338][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.606661][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 21.606983][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.607383][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.607718][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.608039][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.608374][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.608764][  T331] RIP: 0033:0x7fb9cd7b01e7
[ 21.609090][ 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)
[   21.610264][  T331] RSP: 002b:00007fffacf5a0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.610753][  T331] RAX: ffffffffffffffda RBX: 00007fffacf5a800 RCX: 00007fb9cd7b01e7
[   21.611218][  T331] RDX: 0000000000000000 RSI: 00007fffacf5a140 RDI: 0000000000000005
[   21.611894][  T331] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.612380][  T331] R10: 00007fb9cd6adee8 R11: 0000000000000246 R12: 00007fffacf5a820
[   21.612852][  T331] R13: 00000000686e7082 R14: 0000000000499600 R15: 00007fffacf5a224
| [   25.089205][  T364] ------------[ cut here ]------------
| [ 25.089566][ T364] WARNING: CPU: 3 PID: 364 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) 
| [   25.090181][  T364] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.091215][  T364] Tainted: [W]=WARN
[   25.091459][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.091856][ T364] 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) 
[ 25.092180][ T364] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   25.093288][  T364] RSP: 0018:ffffc90000897000 EFLAGS: 00010246
[   25.093689][  T364] RAX: 0000000000000000 RBX: ffff888008bdc000 RCX: 0000000000000001
[   25.094185][  T364] RDX: 0000000000000000 RSI: ffffffff92a9b939 RDI: ffffffff922555e0
[   25.094663][  T364] RBP: ffffc900008970e8 R08: ffff888008bdc218 R09: 0000000000000000
[   25.095134][  T364] R10: ffffc90000897118 R11: ffffffff92f79160 R12: 1ffff92000112e04
[   25.095611][  T364] R13: 000000000000ffe7 R14: ffffc90000897118 R15: ffff888008bdc218
[   25.096076][  T364] FS:  00007fefca5d5800(0000) GS:ffff8880a1837000(0000) knlGS:0000000000000000
[   25.096628][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.097014][  T364] CR2: 00000000004e73d0 CR3: 000000000c8e6001 CR4: 0000000000772ef0
[   25.097480][  T364] PKRU: 55555554
[   25.097714][  T364] Call Trace:
[   25.097944][  T364]  <TASK>
[ 25.098104][ T364] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.098504][ T364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.098816][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.099152][ T364] netif_set_mtu (net/core/dev.c:9652) 
[ 25.099479][ T364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.099805][ T364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.100046][ T364] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.100385][ T364] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.100703][ T364] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.101015][ T364] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.101407][ T364] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.101721][ T364] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.102027][ T364] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.102350][ T364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.102655][ T364] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.102962][ T364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.103280][ T364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.103593][ T364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.103893][ T364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.104208][ T364] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.104552][ T364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.104867][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.105185][ T364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.105499][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.105809][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.106116][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.106431][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.106741][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.107063][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.107380][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.107691][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.108009][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.108356][ T364] ? 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) 
[ 25.108670][ T364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.108980][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.109314][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.109630][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.109939][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.110258][ T364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.110575][ T364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.110887][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.111192][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.111598][ T364] ___sys_sendmsg (net/socket.c:2670) 
[ 25.111900][ T364] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.112208][ T364] ? __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) 
[ 25.112598][ T364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.112910][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.113230][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.113544][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.113854][ T364] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.114161][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.114482][ T364] __sys_sendmsg (net/socket.c:2700) 
[ 25.114821][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.115200][ T364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.115562][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.115875][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.116208][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.116605][  T364] RIP: 0033:0x7fefca7a21e7
[ 25.116933][ T364] 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)
[   25.118036][  T364] RSP: 002b:00007ffc6e5e3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.118513][  T364] RAX: ffffffffffffffda RBX: 00007ffc6e5e3890 RCX: 00007fefca7a21e7
[   25.118976][  T364] RDX: 0000000000000000 RSI: 00007ffc6e5e31d0 RDI: 0000000000000005
[   25.119453][  T364] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.119918][  T364] R10: 00007fefca69fee8 R11: 0000000000000246 R12: 00007ffc6e5e38b0
[   25.120388][  T364] R13: 00000000686e7085 R14: 0000000000499600 R15: 00007ffc6e5e32b4
| [   25.810243][  T371] ------------[ cut here ]------------
| [ 25.810607][ T371] WARNING: CPU: 1 PID: 371 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) 
| [   25.811272][  T371] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.813066][  T371] Tainted: [W]=WARN
[   25.813334][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.813729][ T371] 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) 
[ 25.814047][ T371] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   25.815173][  T371] RSP: 0018:ffffc900008e7000 EFLAGS: 00010246
[   25.815602][  T371] RAX: 0000000000000000 RBX: ffff88800e484000 RCX: 0000000000000001
[   25.816065][  T371] RDX: 0000000000000000 RSI: ffffffff92a9b939 RDI: ffffffff922555e0
[   25.816550][  T371] RBP: ffffc900008e70e8 R08: ffff88800e484218 R09: 0000000000000000
[   25.817005][  T371] R10: ffffc900008e7118 R11: ffffffff92f79160 R12: 1ffff9200011ce04
[   25.817488][  T371] R13: 000000000000ffe7 R14: ffffc900008e7118 R15: ffff88800e484218
[   25.817943][  T371] FS:  00007fdf50cb2800(0000) GS:ffff8880a1737000(0000) knlGS:0000000000000000
[   25.818499][  T371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.818886][  T371] CR2: 000055a1d5b86990 CR3: 000000000a0b2004 CR4: 0000000000772ef0
[   25.819385][  T371] PKRU: 55555554
[   25.819619][  T371] Call Trace:
[   25.819848][  T371]  <TASK>
[ 25.820006][ T371] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.820422][ T371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.820755][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.821074][ T371] netif_set_mtu (net/core/dev.c:9652) 
[ 25.821394][ T371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.821749][ T371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.821984][ T371] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.822306][ T371] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.822636][ T371] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.822952][ T371] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.823354][ T371] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.823688][ T371] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.824000][ T371] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 25.824317][ T371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.824636][ T371] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.824947][ T371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.825273][ T371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.825604][ T371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.825908][ T371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.826219][ T371] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.826574][ T371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.826904][ T371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.827262][ T371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.827587][ T371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.827905][ T371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.828216][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.828536][ T371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.828860][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.829187][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.829509][ T371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.829832][ T371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.830162][ T371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.830476][ T371] ? 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) 
[ 25.830803][ T371] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.831113][ T371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.831440][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.831767][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.832079][ T371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.832403][ T371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.832749][ T371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.833065][ T371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.833387][ T371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.833802][ T371] ___sys_sendmsg (net/socket.c:2670) 
[ 25.834109][ T371] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.834431][ T371] ? __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) 
[ 25.834833][ T371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.835143][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.835466][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.835797][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.836104][ T371] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.836419][ T371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.836735][ T371] __sys_sendmsg (net/socket.c:2700) 
[ 25.837056][ T371] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.837451][ T371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.837774][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.838096][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.838415][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.838799][  T371] RIP: 0033:0x7fdf50e7f1e7
[ 25.839159][ T371] 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)
[   25.840303][  T371] RSP: 002b:00007ffe2f467af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.840771][  T371] RAX: ffffffffffffffda RBX: 00007ffe2f468220 RCX: 00007fdf50e7f1e7
[   25.841258][  T371] RDX: 0000000000000000 RSI: 00007ffe2f467b60 RDI: 0000000000000005
[   25.841723][  T371] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.842202][  T371] R10: 00007fdf50d7cee8 R11: 0000000000000246 R12: 00007ffe2f468240


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