======================================
| [   20.493363][  T321] ip_gre: GRE over IPv4 tunneling driver
| [   20.552588][  T320] ------------[ cut here ]------------
| [ 20.553086][ 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) 
| [   20.553926][  T320] Modules linked in: ip_gre gre 8021q vrf veth
[   20.554955][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.555344][ 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) 
[ 20.555672][ 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
[   20.556796][  T320] RSP: 0018:ffffc90000717000 EFLAGS: 00010246
[   20.557181][  T320] RAX: 0000000000000000 RBX: ffff88800cb81000 RCX: 0000000000000001
[   20.557662][  T320] RDX: 0000000000000000 RSI: ffffffff8529b941 RDI: ffffffff84a555e0
[   20.558130][  T320] RBP: ffffc900007170e8 R08: ffff88800cb81218 R09: 0000000000000000
[   20.558610][  T320] R10: ffffc90000717118 R11: ffffffff85779160 R12: 1ffff920000e2e04
[   20.559082][  T320] R13: 000000000000ffe7 R14: ffffc90000717118 R15: ffff88800cb81218
[   20.559584][  T320] FS:  00007f33b5e48800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   20.560156][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.560538][  T320] CR2: 0000557265c58ec0 CR3: 0000000005105001 CR4: 0000000000772ef0
[   20.561035][  T320] PKRU: 55555554
[   20.561267][  T320] Call Trace:
[   20.561507][  T320]  <TASK>
[ 20.561680][ T320] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.562085][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.562392][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.562731][ T320] netif_set_mtu (net/core/dev.c:9652) 
[ 20.563052][ T320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.563369][ T320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.563607][ T320] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.563911][ T320] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.564239][ T320] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.564553][ T320] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.564939][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.565274][ T320] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.565589][ T320] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.565923][ T320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.566226][ T320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.566531][ T320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.567093][ T320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.567407][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.568009][ T320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.568381][ T320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.568999][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.569360][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.569957][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.570332][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.570927][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.571511][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.572306][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.573316][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.591135][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.592048][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.592364][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.592953][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.593304][ 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) 
[ 20.594062][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.594414][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.595516][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.596107][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.596419][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.597032][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.597348][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.598158][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.598486][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.599166][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 20.599468][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.600062][ 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) 
[ 20.600466][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.601078][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.601396][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.601981][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.602505][ 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) 
[ 20.603308][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.603824][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 20.604148][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.604551][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.605086][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.605402][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.605959][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.606345][  T320] RIP: 0033:0x7f33b60151e7
[ 20.606936][ T320] Code: Unable to access opcode bytes at 0x7f33b60151bd.

Code starting with the faulting instruction
===========================================
[   20.607353][  T320] RSP: 002b:00007ffc49d3c298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.608278][  T320] RAX: ffffffffffffffda RBX: 00007ffc49d3c9c0 RCX: 00007f33b60151e7
[   20.609069][  T320] RDX: 0000000000000000 RSI: 00007ffc49d3c300 RDI: 0000000000000005
[   20.609524][  T320] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   20.609999][  T320] R10: 00007f33b5f12ee8 R11: 0000000000000246 R12: 00007ffc49d3c9e0
[   20.610458][  T320] R13: 00000000686e1cb5 R14: 0000000000499600 R15: 00007ffc49d3c3e4
| [   21.405795][  T331] ------------[ cut here ]------------
| [ 21.406180][ T331] WARNING: CPU: 0 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) 
| [   21.406814][  T331] Modules linked in: ip_gre gre 8021q vrf veth
| [   21.407891][  T331] Tainted: [W]=WARN
[   21.408136][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.408538][ 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) 
[ 21.408883][ 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
[   21.410025][  T331] RSP: 0018:ffffc900004f7000 EFLAGS: 00010246
[   21.410411][  T331] RAX: 0000000000000000 RBX: ffff8880096bc000 RCX: 0000000000000001
[   21.410876][  T331] RDX: 0000000000000000 RSI: ffffffff8529b941 RDI: ffffffff84a555e0
[   21.411335][  T331] RBP: ffffc900004f70e8 R08: ffff8880096bc218 R09: 0000000000000000
[   21.411815][  T331] R10: ffffc900004f7118 R11: ffffffff85779160 R12: 1ffff9200009ee04
[   21.412273][  T331] R13: 000000000000ffe7 R14: ffffc900004f7118 R15: ffff8880096bc218
[   21.412768][  T331] FS:  00007fd8de3cd800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   21.413333][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.413749][  T331] CR2: 00000000004e7390 CR3: 000000000e4ef003 CR4: 0000000000772ef0
[   21.414253][  T331] PKRU: 55555554
[   21.414483][  T331] Call Trace:
[   21.414729][  T331]  <TASK>
[ 21.414887][ T331] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.415277][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.415621][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.415967][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 21.416297][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.416645][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.416910][ T331] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.417230][ T331] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.417544][ T331] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.417899][ T331] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.418292][ T331] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.418638][ T331] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.419073][ T331] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.419406][ T331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.419724][ T331] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.420052][ T331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.420373][ T331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.420723][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.421028][ T331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.421363][ T331] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.421710][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.422054][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.422389][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.422732][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.423068][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.423375][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.423696][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.424037][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.424366][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.424708][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.425020][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.425347][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.425663][ 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) 
[ 21.425973][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.426293][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.426616][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.426946][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.427259][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.427572][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.427896][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.428236][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.428555][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.428962][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 21.429267][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.429605][ 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) 
[ 21.429994][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.430303][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.430626][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.430939][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.431253][ 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) 
[ 21.431585][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.431916][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 21.432229][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.432622][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.432943][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.433267][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.433573][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.433960][  T331] RIP: 0033:0x7fd8de59a1e7
[ 21.434276][ 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)
[   21.435389][  T331] RSP: 002b:00007ffee4e8c868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.435860][  T331] RAX: ffffffffffffffda RBX: 00007ffee4e8cf90 RCX: 00007fd8de59a1e7
[   21.436409][  T331] RDX: 0000000000000000 RSI: 00007ffee4e8c8d0 RDI: 0000000000000005
[   21.437257][  T331] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.438045][  T331] R10: 00007fd8de497ee8 R11: 0000000000000246 R12: 00007ffee4e8cfb0
[   21.438499][  T331] R13: 00000000686e1cb6 R14: 0000000000499600 R15: 00007ffee4e8c9b4
| [   24.722444][  T364] ------------[ cut here ]------------
| [ 24.722800][ T364] WARNING: CPU: 0 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) 
| [   24.723415][  T364] Modules linked in: ip_gre gre 8021q vrf veth
| [   24.724435][  T364] Tainted: [W]=WARN
[   24.724677][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.725059][ 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) 
[ 24.725371][ T364] 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
[   24.726467][  T364] RSP: 0018:ffffc90000747000 EFLAGS: 00010246
[   24.726864][  T364] RAX: 0000000000000000 RBX: ffff8880095b9000 RCX: 0000000000000001
[   24.727326][  T364] RDX: 0000000000000000 RSI: ffffffff8529b941 RDI: ffffffff84a555e0
[   24.727784][  T364] RBP: ffffc900007470e8 R08: ffff8880095b9218 R09: 0000000000000000
[   24.728240][  T364] R10: ffffc90000747118 R11: ffffffff85779160 R12: 1ffff920000e8e04
[   24.728702][  T364] R13: 000000000000ffe7 R14: ffffc90000747118 R15: ffff8880095b9218
[   24.729161][  T364] FS:  00007f1552a67800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   24.729701][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.730086][  T364] CR2: 00000000004e73d0 CR3: 000000000f0b6006 CR4: 0000000000772ef0
[   24.730544][  T364] PKRU: 55555554
[   24.730781][  T364] Call Trace:
[   24.731017][  T364]  <TASK>
[ 24.731173][ T364] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.731563][ T364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.731884][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.732207][ T364] netif_set_mtu (net/core/dev.c:9652) 
[ 24.732513][ T364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.732851][ T364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.733098][ T364] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.733404][ T364] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.733724][ T364] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.734033][ T364] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.734412][ T364] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.734734][ T364] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.735046][ T364] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.735352][ T364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.736956][ T364] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.737279][ T364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.737593][ T364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.737913][ T364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.738213][ T364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.738527][ T364] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.738852][ T364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.739160][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.739478][ T364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.739790][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.740094][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.740398][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.740713][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.741026][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.741332][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.741643][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.741948][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.742260][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.742561][ 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) 
[ 24.742891][ T364] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.743218][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.743543][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.743860][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.744169][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.744473][ T364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.744792][ T364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.745104][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.745407][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.745806][ T364] ___sys_sendmsg (net/socket.c:2670) 
[ 24.746107][ T364] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.746409][ 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) 
[ 24.746796][ T364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.747105][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.747410][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.747732][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.748035][ 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) 
[ 24.748338][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.748658][ T364] __sys_sendmsg (net/socket.c:2700) 
[ 24.748960][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.749335][ T364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.749653][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.749961][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.750264][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.750647][  T364] RIP: 0033:0x7f1552c341e7
[ 24.750959][ 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)
[   24.752045][  T364] RSP: 002b:00007fff7a5f44c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.752506][  T364] RAX: ffffffffffffffda RBX: 00007fff7a5f4bf0 RCX: 00007f1552c341e7
[   24.752968][  T364] RDX: 0000000000000000 RSI: 00007fff7a5f4530 RDI: 0000000000000005
[   24.753435][  T364] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.753904][  T364] R10: 00007f1552b31ee8 R11: 0000000000000246 R12: 00007fff7a5f4c10
[   24.754359][  T364] R13: 00000000686e1cb9 R14: 0000000000499600 R15: 00007fff7a5f4614
| [   25.460963][  T371] ------------[ cut here ]------------
| [ 25.461387][ T371] WARNING: CPU: 0 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) 
| [   25.462005][  T371] Modules linked in: ip_gre gre 8021q vrf veth
| [   25.463055][  T371] Tainted: [W]=WARN
[   25.463290][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.463703][ 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) 
[ 25.464022][ T371] 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
[   25.465114][  T371] RSP: 0018:ffffc90000557000 EFLAGS: 00010246
[   25.465504][  T371] RAX: 0000000000000000 RBX: ffff88800a3fc000 RCX: 0000000000000001
[   25.465969][  T371] RDX: 0000000000000000 RSI: ffffffff8529b941 RDI: ffffffff84a555e0
[   25.466424][  T371] RBP: ffffc900005570e8 R08: ffff88800a3fc218 R09: 0000000000000000
[   25.466885][  T371] R10: ffffc90000557118 R11: ffffffff85779160 R12: 1ffff920000aae04
[   25.467346][  T371] R13: 000000000000ffe7 R14: ffffc90000557118 R15: ffff88800a3fc218
[   25.467804][  T371] FS:  00007f217dff4800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   25.468362][  T371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.468752][  T371] CR2: 00007f2873c0ba00 CR3: 0000000009357002 CR4: 0000000000772ef0
[   25.469208][  T371] PKRU: 55555554
[   25.469444][  T371] Call Trace:
[   25.469683][  T371]  <TASK>
[ 25.469838][ T371] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 25.470224][ T371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.470536][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.470859][ T371] netif_set_mtu (net/core/dev.c:9652) 
[ 25.471166][ T371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.471486][ T371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.471731][ T371] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 25.472039][ T371] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 25.472392][ T371] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 25.472711][ T371] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 25.473109][ T371] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.473425][ T371] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 25.473747][ T371] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 25.474062][ T371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.474364][ T371] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.474684][ T371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.474990][ T371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.475301][ T371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.475613][ T371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.475925][ T371] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.476242][ T371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.476562][ T371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.476892][ T371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.477199][ T371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.477510][ T371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.477824][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.478132][ T371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.478443][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.478774][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.479079][ T371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.479390][ T371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.479737][ T371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.480045][ 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) 
[ 25.480351][ T371] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.480670][ T371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.480984][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.481293][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.481610][ T371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.481920][ T371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.482237][ T371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.482544][ T371] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.482853][ T371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.483271][ T371] ___sys_sendmsg (net/socket.c:2670) 
[ 25.483575][ T371] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.483888][ 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) 
[ 25.484272][ T371] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.484577][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.484892][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.485298][ T371] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.485608][ 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) 
[ 25.485916][ T371] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.486236][ T371] __sys_sendmsg (net/socket.c:2700) 
[ 25.486536][ T371] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.486925][ T371] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.487257][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.487563][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.487882][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.488267][  T371] RIP: 0033:0x7f217e1c11e7
[ 25.488590][ 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)
[   25.489720][  T371] RSP: 002b:00007fff18a016c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.490185][  T371] RAX: ffffffffffffffda RBX: 00007fff18a01df0 RCX: 00007f217e1c11e7
[   25.490648][  T371] RDX: 0000000000000000 RSI: 00007fff18a01730 RDI: 0000000000000005
[   25.491103][  T371] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   25.491557][  T371] R10: 00007f217e0beee8 R11: 0000000000000246 R12: 00007fff18a01e10


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