======================================
| xx__-> [ 2291.595176][T19186] ip_gre: GRE over IPv4 tunneling driver
| [ 2291.661638][T19185] ------------[ cut here ]------------
| [2291.662455][T19185] WARNING: CPU: 3 PID: 19185 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) 
| [ 2291.663572][T19185] Modules linked in: ip_gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred act_police act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
[ 2291.666932][T19185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2291.667655][T19185] 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) 
[ 2291.668273][T19185] 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
[ 2291.670219][T19185] RSP: 0018:ffffc900010c7000 EFLAGS: 00010246
[ 2291.670954][T19185] RAX: 0000000000000000 RBX: ffff888011c69000 RCX: 0000000000000001
[ 2291.671795][T19185] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[ 2291.672632][T19185] RBP: ffffc900010c70e8 R08: ffff888011c69218 R09: 0000000000000000
[ 2291.673931][T19185] R10: ffffc900010c7118 R11: ffffffffbc179160 R12: 1ffff92000218e04
[ 2291.674774][T19185] R13: 000000000000ffe7 R14: ffffc900010c7118 R15: ffff888011c69218
[ 2291.675630][T19185] FS:  00007f22cd017800(0000) GS:ffff888071837000(0000) knlGS:0000000000000000
[ 2291.676528][T19185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2291.677100][T19185] CR2: 00005628a2930e70 CR3: 000000000ef03003 CR4: 0000000000772ef0
[ 2291.677771][T19185] PKRU: 55555554
[ 2291.678169][T19185] Call Trace:
[ 2291.678586][T19185]  <TASK>
[2291.678896][T19185] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[2291.679639][T19185] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2291.680165][T19185] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2291.680737][T19185] netif_set_mtu (net/core/dev.c:9652) 
[2291.681301][T19185] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2291.681888][T19185] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2291.682290][T19185] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[2291.682853][T19185] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[2291.683416][T19185] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[2291.684016][T19185] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[2291.684714][T19185] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2291.690610][T19185] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[2291.691194][T19185] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[2291.691780][T19185] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2291.692313][T19185] ? __dev_get_by_name (net/core/dev.c:865) 
[2291.692865][T19185] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2291.693419][T19185] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2291.694012][T19185] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2291.694569][T19185] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2291.695166][T19185] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2291.695765][T19185] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2291.696347][T19185] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2291.696962][T19185] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2291.697543][T19185] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2291.698151][T19185] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2291.698750][T19185] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2291.699340][T19185] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2291.699946][T19185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.700547][T19185] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2291.701146][T19185] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2291.701747][T19185] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2291.702416][T19185] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2291.702979][T19185] ? 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) 
[2291.703616][T19185] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2291.703973][T19185] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2291.704305][T19185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.704662][T19185] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2291.704990][T19185] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2291.705315][T19185] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2291.705678][T19185] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2291.706018][T19185] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2291.706339][T19185] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2291.706765][T19185] ___sys_sendmsg (net/socket.c:2670) 
[2291.707094][T19185] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2291.707460][T19185] ? __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) 
[2291.707895][T19185] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2291.708231][T19185] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2291.708566][T19185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2291.708912][T19185] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2291.709245][T19185] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2291.709590][T19185] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2291.709939][T19185] __sys_sendmsg (net/socket.c:2700) 
[2291.710490][T19185] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2291.710913][T19185] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2291.711256][T19185] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2291.711636][T19185] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2291.711976][T19185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2291.712388][T19185] RIP: 0033:0x7f22cd1e41e7
[ 2291.712762][T19185] Code: Unable to access opcode bytes at 0x7f22cd1e41bd.

Code starting with the faulting instruction
===========================================
[ 2291.713184][T19185] RSP: 002b:00007ffdef0b3d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2291.713709][T19185] RAX: ffffffffffffffda RBX: 00007ffdef0b4440 RCX: 00007f22cd1e41e7
[ 2291.714435][T19185] RDX: 0000000000000000 RSI: 00007ffdef0b3d80 RDI: 0000000000000005
[ 2291.714934][T19185] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[ 2291.715465][T19185] R10: 00007f22cd0e1ee8 R11: 0000000000000246 R12: 00007ffdef0b4460
[ 2291.717528][T19185] R13: 00000000686e1149 R14: 0000000000499600 R15: 00007ffdef0b3e64
| [ 2292.600356][T19200] ------------[ cut here ]------------
| [2292.600810][T19200] WARNING: CPU: 2 PID: 19200 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) 
| [ 2292.601483][T19200] Modules linked in: ip_gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred act_police act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [ 2292.603959][T19200] Tainted: [W]=WARN
[ 2292.604224][T19200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2292.604652][T19200] 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) 
[ 2292.605018][T19200] 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
[ 2292.606197][T19200] RSP: 0018:ffffc900001a7000 EFLAGS: 00010246
[ 2292.606633][T19200] RAX: 0000000000000000 RBX: ffff888011c6c000 RCX: 0000000000000001
[ 2292.607129][T19200] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[ 2292.607675][T19200] RBP: ffffc900001a70e8 R08: ffff888011c6c218 R09: 0000000000000000
[ 2292.608178][T19200] R10: ffffc900001a7118 R11: ffffffffbc179160 R12: 1ffff92000034e04
[ 2292.608685][T19200] R13: 000000000000ffe7 R14: ffffc900001a7118 R15: ffff888011c6c218
[ 2292.609188][T19200] FS:  00007fa255c1b800(0000) GS:ffff8880717b7000(0000) knlGS:0000000000000000
[ 2292.609775][T19200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2292.610197][T19200] CR2: 00007fe141382000 CR3: 000000000f630004 CR4: 0000000000772ef0
[ 2292.610708][T19200] PKRU: 55555554
[ 2292.610964][T19200] Call Trace:
[ 2292.611226][T19200]  <TASK>
[2292.611406][T19200] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[2292.611840][T19200] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2292.612184][T19200] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2292.612551][T19200] netif_set_mtu (net/core/dev.c:9652) 
[2292.612912][T19200] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2292.613285][T19200] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2292.613567][T19200] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[2292.613926][T19200] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[2292.614274][T19200] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[2292.614652][T19200] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[2292.615088][T19200] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2292.615446][T19200] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[2292.615813][T19200] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[2292.616211][T19200] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2292.616549][T19200] ? __dev_get_by_name (net/core/dev.c:865) 
[2292.616906][T19200] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2292.617247][T19200] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2292.617591][T19200] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2292.617939][T19200] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2292.618285][T19200] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2292.618637][T19200] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2292.618986][T19200] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2292.619327][T19200] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2292.619666][T19200] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2292.620001][T19200] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2292.620337][T19200] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2292.620678][T19200] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2292.621016][T19200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2292.621354][T19200] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2292.621709][T19200] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2292.622038][T19200] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2292.622379][T19200] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2292.622713][T19200] ? 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) 
[2292.623046][T19200] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2292.623386][T19200] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2292.623766][T19200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2292.624108][T19200] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2292.624446][T19200] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2292.624788][T19200] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2292.625140][T19200] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2292.625480][T19200] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2292.625822][T19200] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2292.626244][T19200] ___sys_sendmsg (net/socket.c:2670) 
[2292.626605][T19200] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2292.626961][T19200] ? __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) 
[2292.627398][T19200] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2292.627761][T19200] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2292.628120][T19200] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2292.628473][T19200] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2292.628827][T19200] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2292.629182][T19200] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2292.629525][T19200] __sys_sendmsg (net/socket.c:2700) 
[2292.629879][T19200] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2292.630286][T19200] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2292.630637][T19200] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2292.630975][T19200] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2292.631307][T19200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2292.631741][T19200] RIP: 0033:0x7fa255de81e7
[ 2292.632089][T19200] 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)
[ 2292.633258][T19200] RSP: 002b:00007ffed9695fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2292.633779][T19200] RAX: ffffffffffffffda RBX: 00007ffed9696700 RCX: 00007fa255de81e7
[ 2292.634282][T19200] RDX: 0000000000000000 RSI: 00007ffed9696040 RDI: 0000000000000005
[ 2292.634783][T19200] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[ 2292.635270][T19200] R10: 00007fa255ce5ee8 R11: 0000000000000246 R12: 00007ffed9696720
[ 2292.635770][T19200] R13: 00000000686e114a R14: 0000000000499600 R15: 00007ffed9696124
| [ 2296.190608][T19233] ------------[ cut here ]------------
| [2296.191056][T19233] WARNING: CPU: 2 PID: 19233 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) 
| [ 2296.191739][T19233] Modules linked in: ip_gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred act_police act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [ 2296.193799][T19233] Tainted: [W]=WARN
[ 2296.194072][T19233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2296.194492][T19233] 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) 
[ 2296.194854][T19233] 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
[ 2296.196030][T19233] RSP: 0018:ffffc900004f7000 EFLAGS: 00010246
[ 2296.196454][T19233] RAX: 0000000000000000 RBX: ffff88800f6fc000 RCX: 0000000000000001
[ 2296.196966][T19233] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[ 2296.197465][T19233] RBP: ffffc900004f70e8 R08: ffff88800f6fc218 R09: 0000000000000000
[ 2296.197981][T19233] R10: ffffc900004f7118 R11: ffffffffbc179160 R12: 1ffff9200009ee04
[ 2296.198485][T19233] R13: 000000000000ffe7 R14: ffffc900004f7118 R15: ffff88800f6fc218
[ 2296.198992][T19233] FS:  00007ff938a1c800(0000) GS:ffff8880717b7000(0000) knlGS:0000000000000000
[ 2296.199579][T19233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2296.200003][T19233] CR2: 00000000004e74f8 CR3: 000000000f7e4001 CR4: 0000000000772ef0
[ 2296.200502][T19233] PKRU: 55555554
[ 2296.200782][T19233] Call Trace:
[ 2296.201036][T19233]  <TASK>
[2296.201214][T19233] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[2296.201644][T19233] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2296.201983][T19233] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2296.202331][T19233] netif_set_mtu (net/core/dev.c:9652) 
[2296.202674][T19233] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2296.203024][T19233] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2296.203291][T19233] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[2296.203681][T19233] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[2296.204023][T19233] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[2296.204365][T19233] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[2296.204791][T19233] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2296.205136][T19233] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[2296.205471][T19233] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[2296.205827][T19233] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2296.206156][T19233] ? __dev_get_by_name (net/core/dev.c:865) 
[2296.206493][T19233] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2296.206838][T19233] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2296.207182][T19233] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2296.207512][T19233] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2296.207871][T19233] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2296.208223][T19233] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2296.208569][T19233] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2296.208930][T19233] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2296.209261][T19233] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2296.209608][T19233] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2296.209942][T19233] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2296.210279][T19233] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2296.210630][T19233] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2296.210982][T19233] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2296.211317][T19233] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2296.211666][T19233] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2296.212014][T19233] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2296.212349][T19233] ? 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) 
[2296.212702][T19233] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2296.213044][T19233] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2296.213390][T19233] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2296.213755][T19233] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2296.214092][T19233] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2296.214430][T19233] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2296.214784][T19233] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2296.215131][T19233] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2296.215463][T19233] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2296.215923][T19233] ___sys_sendmsg (net/socket.c:2670) 
[2296.216258][T19233] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2296.216606][T19233] ? __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) 
[2296.217021][T19233] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2296.217361][T19233] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2296.217707][T19233] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2296.218047][T19233] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2296.218390][T19233] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2296.218736][T19233] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2296.219079][T19233] __sys_sendmsg (net/socket.c:2700) 
[2296.219413][T19233] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2296.219833][T19233] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2296.220178][T19233] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2296.220513][T19233] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2296.220862][T19233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2296.221286][T19233] RIP: 0033:0x7ff938be91e7
[ 2296.221642][T19233] 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)
[ 2296.222800][T19233] RSP: 002b:00007ffd4363d478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2296.223312][T19233] RAX: ffffffffffffffda RBX: 00007ffd4363dba0 RCX: 00007ff938be91e7
[ 2296.223850][T19233] RDX: 0000000000000000 RSI: 00007ffd4363d4e0 RDI: 0000000000000005
[ 2296.224348][T19233] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[ 2296.224849][T19233] R10: 00007ff938ae6ee8 R11: 0000000000000246 R12: 00007ffd4363dbc0
[ 2296.225354][T19233] R13: 00000000686e114e R14: 0000000000499600 R15: 00007ffd4363d5c4
| [ 2296.955404][T19240] ------------[ cut here ]------------
| [2296.956292][T19240] WARNING: CPU: 2 PID: 19240 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) 
| [ 2296.956966][T19240] Modules linked in: ip_gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred act_police act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
| [ 2296.959065][T19240] Tainted: [W]=WARN
[ 2296.959314][T19240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[2296.959734][T19240] 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) 
[ 2296.960068][T19240] 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
[ 2296.961240][T19240] RSP: 0018:ffffc90000697000 EFLAGS: 00010246
[ 2296.961693][T19240] RAX: 0000000000000000 RBX: ffff888011994000 RCX: 0000000000000001
[ 2296.962182][T19240] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[ 2296.962687][T19240] RBP: ffffc900006970e8 R08: ffff888011994218 R09: 0000000000000000
[ 2296.963161][T19240] R10: ffffc90000697118 R11: ffffffffbc179160 R12: 1ffff920000d2e04
[ 2296.963666][T19240] R13: 000000000000ffe7 R14: ffffc90000697118 R15: ffff888011994218
[ 2296.964135][T19240] FS:  00007f2eb79e8800(0000) GS:ffff8880717b7000(0000) knlGS:0000000000000000
[ 2296.964748][T19240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2296.965148][T19240] CR2: 00000000004e74f8 CR3: 0000000009643006 CR4: 0000000000772ef0
[ 2296.965657][T19240] PKRU: 55555554
[ 2296.965908][T19240] Call Trace:
[ 2296.966158][T19240]  <TASK>
[2296.966336][T19240] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[2296.966761][T19240] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[2296.967099][T19240] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2296.967434][T19240] netif_set_mtu (net/core/dev.c:9652) 
[2296.967782][T19240] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[2296.968116][T19240] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[2296.968364][T19240] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[2296.968719][T19240] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[2296.969049][T19240] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[2296.969385][T19240] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[2296.969805][T19240] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[2296.970132][T19240] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[2296.970459][T19240] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[2296.970824][T19240] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[2296.971141][T19240] ? __dev_get_by_name (net/core/dev.c:865) 
[2296.971462][T19240] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2296.971815][T19240] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[2296.972150][T19240] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[2296.972495][T19240] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[2296.972932][T19240] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[2296.973264][T19240] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[2296.973623][T19240] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2296.973967][T19240] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[2296.974280][T19240] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2296.974655][T19240] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[2296.974977][T19240] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[2296.975302][T19240] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2296.975650][T19240] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2296.975983][T19240] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[2296.976304][T19240] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[2296.976649][T19240] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[2296.976990][T19240] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[2296.977309][T19240] ? 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) 
[2296.977660][T19240] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[2296.977985][T19240] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[2296.978301][T19240] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2296.978649][T19240] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[2296.978976][T19240] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[2296.979330][T19240] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[2296.979684][T19240] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[2296.980009][T19240] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[2296.980330][T19240] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[2296.980792][T19240] ___sys_sendmsg (net/socket.c:2670) 
[2296.981112][T19240] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[2296.981430][T19240] ? __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) 
[2296.981875][T19240] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[2296.982198][T19240] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2296.982520][T19240] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[2296.982869][T19240] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[2296.983218][T19240] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[2296.983553][T19240] ? __lock_release (kernel/locking/lockdep.c:5539) 
[2296.983904][T19240] __sys_sendmsg (net/socket.c:2700) 
[2296.984223][T19240] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[2296.984661][T19240] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[2296.984996][T19240] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[2296.985324][T19240] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[2296.985667][T19240] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2296.986065][T19240] RIP: 0033:0x7f2eb7bb51e7
[ 2296.986397][T19240] 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)
[ 2296.987535][T19240] RSP: 002b:00007ffcba39f958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2296.988031][T19240] RAX: ffffffffffffffda RBX: 00007ffcba3a0080 RCX: 00007f2eb7bb51e7
[ 2296.988511][T19240] RDX: 0000000000000000 RSI: 00007ffcba39f9c0 RDI: 0000000000000005
[ 2296.989023][T19240] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[ 2296.989498][T19240] R10: 00007f2eb7ab2ee8 R11: 0000000000000246 R12: 00007ffcba3a00a0


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