======================================
| [   20.688254][  T319] ip_gre: GRE over IPv4 tunneling driver
| [   20.741702][  T318] ------------[ cut here ]------------
| [ 20.742247][ T318] WARNING: CPU: 3 PID: 318 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) 
| [   20.742933][  T318] Modules linked in: ip_gre gre 8021q vrf veth
[   20.744110][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.744532][ T318] 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) 
[ 20.744884][ T318] 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
[   20.746099][  T318] RSP: 0018:ffffc90000687000 EFLAGS: 00010246
[   20.746515][  T318] RAX: 0000000000000000 RBX: ffff88800bffc000 RCX: 0000000000000001
[   20.747033][  T318] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   20.747540][  T318] RBP: ffffc900006870e8 R08: ffff88800bffc218 R09: 0000000000000000
[   20.748096][  T318] R10: ffffc90000687118 R11: ffffffff94579160 R12: 1ffff920000d0e04
[   20.748612][  T318] R13: 00000000000005c0 R14: ffffc90000687118 R15: ffff88800bffc218
[   20.749121][  T318] FS:  00007fea809a1800(0000) GS:ffff8880a0237000(0000) knlGS:0000000000000000
[   20.749720][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.750147][  T318] CR2: 000055858f364a88 CR3: 0000000004f90003 CR4: 0000000000772ef0
[   20.750663][  T318] PKRU: 55555554
[   20.750920][  T318] Call Trace:
[   20.751175][  T318]  <TASK>
[ 20.751356][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.751809][ T318] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.752155][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.752495][ T318] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.753233][ T318] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.753615][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.753969][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.762110][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.762379][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.762738][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.763098][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.763459][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.763924][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.764288][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.764638][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.764992][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.765339][ T318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.765703][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.766056][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.766651][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.767001][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.767366][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.768642][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.769007][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.769379][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.769742][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.770099][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.770456][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.770818][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.771178][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.771525][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.771886][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.772453][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.772817][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.773162][ T318] ? 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) 
[ 20.773501][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.774085][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.774421][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.774788][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.775139][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.775500][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.775866][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.776455][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.776821][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.777266][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.777620][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.777965][ T318] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.778318][ T318] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 20.779042][ T318] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.779396][ T318] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.779755][ T318] ? mt_find (lib/maple_tree.c:6938) 
[ 20.780029][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.780378][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.780734][ T318] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.781104][ T318] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.781464][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.781853][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.782202][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.782640][  T318] RIP: 0033:0x7fea80b6e1e7
[ 20.783010][ T318] Code: Unable to access opcode bytes at 0x7fea80b6e1bd.

Code starting with the faulting instruction
===========================================
[   20.783951][  T318] RSP: 002b:00007fffddf0ad78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.784484][  T318] RAX: ffffffffffffffda RBX: 00007fffddf0b4a0 RCX: 00007fea80b6e1e7
[   20.785021][  T318] RDX: 0000000000000000 RSI: 00007fffddf0ade0 RDI: 0000000000000005
[   20.785781][  T318] RBP: 0000000000000008 R08: 00000000000000a8 R09: 0000000000000000
[   20.786298][  T318] R10: 00007fea80a666f8 R11: 0000000000000246 R12: 00007fffddf0b4c0
[   20.787042][  T318] R13: 00000000686e4074 R14: 0000000000499600 R15: 00007fffddf0aec4
| [   23.196871][  T345] ------------[ cut here ]------------
| [ 23.197376][ T345] WARNING: CPU: 3 PID: 345 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) 
| [   23.198151][  T345] Modules linked in: ip_gre gre 8021q vrf veth
| [   23.199230][  T345] Tainted: [W]=WARN
[   23.199484][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.199899][ T345] 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) 
[ 23.200227][ T345] 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
[   23.201377][  T345] RSP: 0018:ffffc90000637000 EFLAGS: 00010246
[   23.201798][  T345] RAX: 0000000000000000 RBX: ffff88800932c000 RCX: 0000000000000001
[   23.202305][  T345] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   23.202796][  T345] RBP: ffffc900006370e8 R08: ffff88800932c218 R09: 0000000000000000
[   23.203279][  T345] R10: ffffc90000637118 R11: ffffffff94579160 R12: 1ffff920000c6e04
[   23.203760][  T345] R13: 000000000000ffe3 R14: ffffc90000637118 R15: ffff88800932c218
[   23.204228][  T345] FS:  00007fe3845c9800(0000) GS:ffff8880a0237000(0000) knlGS:0000000000000000
[   23.204788][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.205179][  T345] CR2: 00007fa8ab008a00 CR3: 000000000a55e005 CR4: 0000000000772ef0
[   23.205680][  T345] PKRU: 55555554
[   23.205917][  T345] Call Trace:
[   23.206161][  T345]  <TASK>
[ 23.206324][ T345] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.206753][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.207076][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.207409][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.207731][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.208067][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.208303][ T345] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.208629][ T345] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.208948][ T345] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.209265][ T345] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.209677][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.210004][ T345] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.210329][ T345] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.210674][ T345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.210984][ T345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.211301][ T345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.211648][ T345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.211969][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.212276][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.212610][ T345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.212937][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.213250][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.213605][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.213918][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.214230][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.214545][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.214869][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.215181][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.215507][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.215829][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.216139][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.216461][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.216781][ T345] ? 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) 
[ 23.217091][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.217408][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.217732][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.218050][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.218360][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.218679][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.219024][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.219343][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.219662][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.220063][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.220374][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.220695][ T345] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.221036][ T345] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.221282][ T345] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.221638][ T345] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.221956][ T345] ? mt_find (lib/maple_tree.c:6938) 
[ 23.222229][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.222541][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.222858][ T345] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.223187][ T345] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.223495][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.223822][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.224135][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.224518][  T345] RIP: 0033:0x7fe3847961e7
[ 23.224899][ T345] 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)
[   23.226056][  T345] RSP: 002b:00007ffee52d7618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.226544][  T345] RAX: ffffffffffffffda RBX: 00007ffee52d7d40 RCX: 00007fe3847961e7
[   23.227034][  T345] RDX: 0000000000000000 RSI: 00007ffee52d7680 RDI: 0000000000000005
[   23.227504][  T345] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   23.227976][  T345] R10: 00007fe384824ac0 R11: 0000000000000246 R12: 00007ffee52d7d60
[   23.228436][  T345] R13: 00000000686e4076 R14: 0000000000499600 R15: 00007ffee52d7764
| [   37.303131][  T392] ------------[ cut here ]------------
| [ 37.303610][ T392] WARNING: CPU: 0 PID: 392 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) 
| [   37.304183][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.305177][  T392] Tainted: [W]=WARN
[   37.305392][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.305750][ T392] 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) 
[ 37.306039][ T392] 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
[   37.307054][  T392] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246
[   37.307729][  T392] RAX: 0000000000000000 RBX: ffff888005329000 RCX: 0000000000000001
[   37.308155][  T392] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   37.308570][  T392] RBP: ffffc900008f7230 R08: ffff88800dd25000 R09: 0000000000000000
[   37.309386][  T392] R10: ffffc900008f75c8 R11: ffffffff94e50668 R12: 1ffff9200011ee2c
[   37.309819][  T392] R13: 00000000000007d0 R14: ffffc900008f7880 R15: ffff88800ae2b860
[   37.310242][  T392] FS:  00007fa916920800(0000) GS:ffff8880a00b7000(0000) knlGS:0000000000000000
[   37.310742][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.311098][  T392] CR2: 00000000004e5aa0 CR3: 000000000bf78002 CR4: 0000000000772ef0
[   37.311524][  T392] PKRU: 55555554
[   37.311764][  T392] Call Trace:
[   37.311975][  T392]  <TASK>
[ 37.312127][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.312420][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.312712][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.313004][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.313288][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.313570][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.313872][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.314164][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.314533][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.314829][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.315110][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.315389][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.315683][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.315974][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.316325][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.316622][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.316907][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.317199][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.317480][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.317774][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.318053][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 37.318341][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.318634][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.318914][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.319266][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.319635][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.319917][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.320192][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.320478][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.320767][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.321043][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.321320][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.321615][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.321907][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.322187][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.322476][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.322771][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.323054][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.323345][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.323635][ T392] ? 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) 
[ 37.323924][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.324205][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.324480][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.324773][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.325054][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.325334][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.325633][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.325922][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.326198][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.326557][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 37.326844][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.327123][ T392] ? __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) 
[ 37.327470][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.327782][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.328073][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.328354][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.328637][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.328914][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.329198][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 37.329469][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.329833][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.330131][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.330407][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.330696][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.331036][  T392] RIP: 0033:0x7fa916aed1e7
[ 37.331333][ T392] 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)
[   37.332346][  T392] RSP: 002b:00007ffff2b53e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.332781][  T392] RAX: ffffffffffffffda RBX: 00007ffff2b54570 RCX: 00007fa916aed1e7
[   37.333197][  T392] RDX: 0000000000000000 RSI: 00007ffff2b53eb0 RDI: 0000000000000005
[   37.333623][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.334045][  T392] R10: 00007fa9169eaee8 R11: 0000000000000246 R12: 0000000000000004
[   37.334457][  T392] R13: 00000000686e4085 R14: 0000000000499600 R15: 0000000000000000
| [   37.532798][  T393] ------------[ cut here ]------------
| [ 37.533401][ T393] WARNING: CPU: 1 PID: 393 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) 
| [   37.535653][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.537550][  T393] Tainted: [W]=WARN
[   37.537930][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.538531][ T393] 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) 
[ 37.539040][ T393] 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
[   37.540802][  T393] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246
[   37.541429][  T393] RAX: 0000000000000000 RBX: ffff88800a831000 RCX: 0000000000000001
[   37.542085][  T393] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   37.542517][  T393] RBP: ffffc900008f7230 R08: ffff88800dea6800 R09: 0000000000000000
[   37.542945][  T393] R10: ffffc900008f75c8 R11: ffffffff94e50668 R12: 1ffff9200011ee2c
[   37.543364][  T393] R13: 00000000000007d0 R14: ffffc900008f7880 R15: ffff888005a398e0
[   37.543790][  T393] FS:  00007f2618d04800(0000) GS:ffff8880a0137000(0000) knlGS:0000000000000000
[   37.544298][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.544681][  T393] CR2: 00000000004e5aa8 CR3: 0000000004e69002 CR4: 0000000000772ef0
[   37.545118][  T393] PKRU: 55555554
[   37.545346][  T393] Call Trace:
[   37.545563][  T393]  <TASK>
[ 37.545727][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.546036][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.546322][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.546627][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.546910][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.547192][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.547476][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.547773][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.548138][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.548422][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.548721][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.549002][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.549292][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.549571][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.549934][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.550252][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.550539][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.550823][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.551107][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.551381][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.551685][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 37.551967][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.552258][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.552533][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.552913][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.553199][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.553477][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.553762][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.554045][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.554321][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.554604][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.554883][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.555168][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.555450][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.555740][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.556018][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.556293][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.556570][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.556877][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.557163][ T393] ? 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) 
[ 37.557439][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.557728][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.558001][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.558283][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.558563][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.558848][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.559144][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.559423][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.559703][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.560058][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 37.560364][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.560663][ T393] ? __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) 
[ 37.561009][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.561295][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.561572][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.561876][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.562153][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.562429][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.562722][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 37.562994][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.563347][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.563643][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.563920][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.564197][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.564546][  T393] RIP: 0033:0x7f2618ed11e7
[ 37.564856][ T393] 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)
[   37.565854][  T393] RSP: 002b:00007ffc0fbdd898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.566276][  T393] RAX: ffffffffffffffda RBX: 00007ffc0fbddfc0 RCX: 00007f2618ed11e7
[   37.566698][  T393] RDX: 0000000000000000 RSI: 00007ffc0fbdd900 RDI: 0000000000000005
[   37.567110][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.567522][  T393] R10: 00007f2618dceee8 R11: 0000000000000246 R12: 0000000000000004
[   37.567942][  T393] R13: 00000000686e4085 R14: 0000000000499600 R15: 0000000000000000
| [   37.746652][  T394] ------------[ cut here ]------------
| [ 37.747007][ T394] WARNING: CPU: 3 PID: 394 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) 
| [   37.747613][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.748631][  T394] Tainted: [W]=WARN
[   37.748863][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.749234][ T394] 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) 
[ 37.749539][ T394] 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
[   37.752077][  T394] RSP: 0018:ffffc90000907140 EFLAGS: 00010246
[   37.752472][  T394] RAX: 0000000000000000 RBX: ffff88800bffc000 RCX: 0000000000000001
[   37.752938][  T394] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   37.753398][  T394] RBP: ffffc90000907230 R08: ffff88800bfba000 R09: 0000000000000000
[   37.753844][  T394] R10: ffffc900009075c8 R11: ffffffff94e50668 R12: 1ffff92000120e2c
[   37.754295][  T394] R13: 00000000000007d0 R14: ffffc90000907880 R15: ffff8880090d8060
[   37.754737][  T394] FS:  00007fef22942800(0000) GS:ffff8880a0237000(0000) knlGS:0000000000000000
[   37.755301][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.755678][  T394] CR2: 00000000004e73b8 CR3: 000000000a645005 CR4: 0000000000772ef0
[   37.756130][  T394] PKRU: 55555554
[   37.756351][  T394] Call Trace:
[   37.756567][  T394]  <TASK>
[ 37.756739][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.757058][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.757458][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.757783][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.758143][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.758443][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.758835][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.759165][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.759541][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.759910][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.760281][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.760577][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.760978][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.761352][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.761828][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.762222][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.762617][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.763118][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.763636][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.764130][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.764661][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 37.765168][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.765494][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.765800][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.766185][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.766486][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.766797][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.767103][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.767411][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.767722][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.768019][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.768313][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.768634][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.768928][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.769234][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.769532][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.769834][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.770141][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.770442][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.770749][ T394] ? 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) 
[ 37.771059][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.771363][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.771677][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.771980][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.772341][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.772656][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.772969][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.773290][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.773580][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.773989][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 37.774330][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.774722][ T394] ? __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) 
[ 37.775160][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.775606][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.776063][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.776567][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.777111][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.777634][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.778152][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 37.778667][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.779296][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.779838][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.780342][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.780853][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.781278][  T394] RIP: 0033:0x7fef22b0f1e7
[ 37.781615][ T394] 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)
[   37.782776][  T394] RSP: 002b:00007ffc3b025408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.783336][  T394] RAX: ffffffffffffffda RBX: 00007ffc3b025b30 RCX: 00007fef22b0f1e7
[   37.783876][  T394] RDX: 0000000000000000 RSI: 00007ffc3b025470 RDI: 0000000000000005
[   37.784399][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.784892][  T394] R10: 00007fef22a0cee8 R11: 0000000000000246 R12: 0000000000000004
[   37.785348][  T394] R13: 00000000686e4085 R14: 0000000000499600 R15: 0000000000000000
| [   37.918008][  T395] ------------[ cut here ]------------
| [ 37.918388][ T395] WARNING: CPU: 0 PID: 395 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) 
| [   37.918999][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.920007][  T395] Tainted: [W]=WARN
[   37.920236][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.920623][ T395] 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) 
[ 37.920926][ T395] 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
[   37.921998][  T395] RSP: 0018:ffffc90000907140 EFLAGS: 00010246
[   37.922368][  T395] RAX: 0000000000000000 RBX: ffff888008e1c000 RCX: 0000000000000001
[   37.922835][  T395] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   37.923270][  T395] RBP: ffffc90000907230 R08: ffff88800acf3800 R09: 0000000000000000
[   37.923715][  T395] R10: ffffc900009075c8 R11: ffffffff94e50668 R12: 1ffff92000120e2c
[   37.924151][  T395] R13: 00000000000007d0 R14: ffffc90000907880 R15: ffff8880090d8ae0
[   37.924602][  T395] FS:  00007fb865d3b800(0000) GS:ffff8880a00b7000(0000) knlGS:0000000000000000
[   37.925116][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.925484][  T395] CR2: 00000000004e5ab0 CR3: 0000000005a35005 CR4: 0000000000772ef0
[   37.925929][  T395] PKRU: 55555554
[   37.926152][  T395] Call Trace:
[   37.926370][  T395]  <TASK>
[ 37.926525][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.926844][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.927134][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.927429][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.927728][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.928022][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.928317][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.928632][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.929002][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.929293][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.929594][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.929888][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.930182][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.930474][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.930871][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.931166][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.931478][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.931794][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.932089][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.932379][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.932680][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 37.932974][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.933274][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.933563][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.933950][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.934248][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.934543][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.934857][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.935154][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.935452][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.935752][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.936046][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.936336][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.936637][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.936933][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.937226][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.937517][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.937829][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.938135][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.938423][ T395] ? 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) 
[ 37.938737][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.939031][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.939318][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.939622][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.939926][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.940219][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.940517][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.940825][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.941114][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.941487][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 37.941793][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.942093][ T395] ? __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) 
[ 37.942458][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.942777][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.943076][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.943372][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.943671][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.943964][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.944270][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 37.944562][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.944934][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.945239][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.945533][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.945836][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.946197][  T395] RIP: 0033:0x7fb865f081e7
[ 37.946509][ T395] 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)
[   37.947569][  T395] RSP: 002b:00007ffd0d300378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.948023][  T395] RAX: ffffffffffffffda RBX: 00007ffd0d300aa0 RCX: 00007fb865f081e7
[   37.948465][  T395] RDX: 0000000000000000 RSI: 00007ffd0d3003e0 RDI: 0000000000000005
[   37.948911][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.949349][  T395] R10: 00007fb865e05ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.949794][  T395] R13: 00000000686e4085 R14: 0000000000499600 R15: 0000000000000000
| [   38.054217][  T396] ------------[ cut here ]------------
| [ 38.054618][ T396] WARNING: CPU: 2 PID: 396 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) 
| [   38.055233][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.056239][  T396] Tainted: [W]=WARN
[   38.056475][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.056864][ T396] 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) 
[ 38.057189][ T396] 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
[   38.058247][  T396] RSP: 0018:ffffc90000917140 EFLAGS: 00010246
[   38.058643][  T396] RAX: 0000000000000000 RBX: ffff888005ce1000 RCX: 0000000000000001
[   38.059103][  T396] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   38.059555][  T396] RBP: ffffc90000917230 R08: ffff8880059eb800 R09: 0000000000000000
[   38.060018][  T396] R10: ffffc900009175c8 R11: ffffffff94e50668 R12: 1ffff92000122e2c
[   38.060468][  T396] R13: 00000000000007d0 R14: ffffc90000917880 R15: ffff8880090d9560
[   38.060942][  T396] FS:  00007f47e6257800(0000) GS:ffff8880a01b7000(0000) knlGS:0000000000000000
[   38.061468][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.061875][  T396] CR2: 00000000004e55b8 CR3: 000000000bc89001 CR4: 0000000000772ef0
[   38.062331][  T396] PKRU: 55555554
[   38.062562][  T396] Call Trace:
[   38.062810][  T396]  <TASK>
[ 38.062972][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.063300][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.063617][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.063930][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.064244][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.064557][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.064890][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.065202][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.065603][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.065913][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.066220][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.066523][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.066844][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.067149][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.067536][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.067860][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.068166][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.068472][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.068795][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.069097][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.069401][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 38.069721][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.070037][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.070341][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.070730][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.071044][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.071357][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.071691][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.072002][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.072305][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.072628][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.072938][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.073242][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.073547][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.073879][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.074188][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.074493][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.074892][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.075212][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.075512][ T396] ? 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) 
[ 38.075833][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.076139][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.076447][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.076771][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.077093][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.077398][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.077726][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.078039][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.078347][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.078751][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 38.079052][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.079365][ T396] ? __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) 
[ 38.079757][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.080065][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.080371][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.080694][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.081007][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.081308][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.081642][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 38.081956][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.082329][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.082680][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.082989][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.083294][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.083681][  T396] RIP: 0033:0x7f47e64241e7
[ 38.083998][ T396] 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)
[   38.085070][  T396] RSP: 002b:00007fff1a465a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.085524][  T396] RAX: ffffffffffffffda RBX: 00007fff1a466190 RCX: 00007f47e64241e7
[   38.085989][  T396] RDX: 0000000000000000 RSI: 00007fff1a465ad0 RDI: 0000000000000005
[   38.086454][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.086912][  T396] R10: 00007f47e6321ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.087364][  T396] R13: 00000000686e4085 R14: 0000000000499600 R15: 0000000000000000
| [   38.214621][  T397] ------------[ cut here ]------------
| [ 38.214971][ T397] WARNING: CPU: 0 PID: 397 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) 
| [   38.215564][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.216562][  T397] Tainted: [W]=WARN
[   38.217397][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.217777][ T397] 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) 
[ 38.218078][ T397] 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
[   38.219132][  T397] RSP: 0018:ffffc90000927140 EFLAGS: 00010246
[   38.219618][  T397] RAX: 0000000000000000 RBX: ffff88800ae99000 RCX: 0000000000000001
[   38.220031][  T397] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   38.220452][  T397] RBP: ffffc90000927230 R08: ffff88800af23800 R09: 0000000000000000
[   38.220876][  T397] R10: ffffc900009275c8 R11: ffffffff94e50668 R12: 1ffff92000124e2c
[   38.221291][  T397] R13: 00000000000007d0 R14: ffffc90000927880 R15: ffff8880090d9fe0
[   38.221734][  T397] FS:  00007fc3664d7800(0000) GS:ffff8880a00b7000(0000) knlGS:0000000000000000
[   38.222219][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.222574][  T397] CR2: 00000000004e5ac8 CR3: 000000000de59001 CR4: 0000000000772ef0
[   38.223005][  T397] PKRU: 55555554
[   38.223212][  T397] Call Trace:
[   38.223423][  T397]  <TASK>
[ 38.223565][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.223870][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.224146][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.224438][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.224726][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.225008][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.225291][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.225575][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.225937][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.226222][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.226500][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.226786][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.227066][ T397] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.227345][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.227705][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.227984][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.228262][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.228547][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.228850][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.229133][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.229407][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 38.229696][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.229975][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.230251][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.230641][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.230927][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.231211][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.231490][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.231798][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.232078][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.232351][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.232653][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.232938][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.233214][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.233506][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.233816][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.234098][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.234375][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.234676][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.234965][ T397] ? 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) 
[ 38.235243][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.235520][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.235805][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.236094][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.236375][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.236663][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.236957][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.237241][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.237515][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.237882][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 38.238155][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.238429][ T397] ? __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) 
[ 38.238781][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.239066][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.239343][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.239636][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.239912][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.240199][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.240484][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 38.240770][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.241112][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.241406][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.241706][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.241986][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.242330][  T397] RIP: 0033:0x7fc3666a41e7
[ 38.242626][ T397] 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)
[   38.243633][  T397] RSP: 002b:00007ffc19573418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.244050][  T397] RAX: ffffffffffffffda RBX: 00007ffc19573b40 RCX: 00007fc3666a41e7
[   38.244459][  T397] RDX: 0000000000000000 RSI: 00007ffc19573480 RDI: 0000000000000005
[   38.244880][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.245298][  T397] R10: 00007fc3665a1ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.245722][  T397] R13: 00000000686e4085 R14: 0000000000499600 R15: 0000000000000000
| [   38.367578][  T398] ------------[ cut here ]------------
| [ 38.367936][ T398] WARNING: CPU: 3 PID: 398 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) 
| [   38.368501][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.369501][  T398] Tainted: [W]=WARN
[   38.369726][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.370078][ T398] 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) 
[ 38.370372][ T398] 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
[   38.371381][  T398] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   38.371762][  T398] RAX: 0000000000000000 RBX: ffff888002754000 RCX: 0000000000000001
[   38.372179][  T398] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   38.372612][  T398] RBP: ffffc90000937230 R08: ffff888004e52000 R09: 0000000000000000
[   38.373028][  T398] R10: ffffc900009375c8 R11: ffffffff94e50668 R12: 1ffff92000126e2c
[   38.373526][  T398] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff8880090daa60
[   38.373953][  T398] FS:  00007f486cd5e800(0000) GS:ffff8880a0237000(0000) knlGS:0000000000000000
[   38.374445][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.374814][  T398] CR2: 00000000004e5ac0 CR3: 0000000004be8003 CR4: 0000000000772ef0
[   38.375230][  T398] PKRU: 55555554
[   38.375437][  T398] Call Trace:
[   38.375656][  T398]  <TASK>
[ 38.375797][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.376081][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.376361][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.376667][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.376944][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.377223][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.377535][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.377831][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.378181][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.378470][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.378772][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.379068][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.379365][ T398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.379669][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.380033][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.380327][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.380631][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.380928][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.381220][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.381545][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.381871][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 38.382169][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.382467][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.382772][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.383145][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.383446][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.383757][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.384050][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.384349][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.384654][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.384943][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.385236][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.385567][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.385886][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.386183][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.386480][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.386772][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.387063][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.387362][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.387677][ T398] ? 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) 
[ 38.387964][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.388261][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.388554][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.388873][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.389176][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.389494][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.389812][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.390109][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.390399][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.390784][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 38.391074][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.391372][ T398] ? __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) 
[ 38.391766][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.392069][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.392365][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.392675][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.392967][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.393259][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.393604][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 38.393898][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.394262][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.394575][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.394871][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.395168][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.395512][  T398] RIP: 0033:0x7f486cf2b1e7
[ 38.395837][ T398] 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)
[   38.396850][  T398] RSP: 002b:00007ffef65d43b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.397272][  T398] RAX: ffffffffffffffda RBX: 00007ffef65d4ae0 RCX: 00007f486cf2b1e7
[   38.397744][  T398] RDX: 0000000000000000 RSI: 00007ffef65d4420 RDI: 0000000000000005
[   38.398162][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.398611][  T398] R10: 00007f486ce28ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.399048][  T398] R13: 00000000686e4086 R14: 0000000000499600 R15: 0000000000000000
| [   38.529109][  T399] ------------[ cut here ]------------
| [ 38.529447][ T399] WARNING: CPU: 0 PID: 399 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) 
| [   38.530772][  T399] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.531745][  T399] Tainted: [W]=WARN
[   38.531963][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.532319][ T399] 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) 
[ 38.532646][ T399] 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
[   38.533647][  T399] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   38.534014][  T399] RAX: 0000000000000000 RBX: ffff88800932c000 RCX: 0000000000000001
[   38.534437][  T399] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   38.534885][  T399] RBP: ffffc90000957230 R08: ffff8880021aa000 R09: 0000000000000000
[   38.535300][  T399] R10: ffffc900009575c8 R11: ffffffff94e50668 R12: 1ffff9200012ae2c
[   38.535758][  T399] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff8880090db4e0
[   38.536176][  T399] FS:  00007f58cc24b800(0000) GS:ffff8880a00b7000(0000) knlGS:0000000000000000
[   38.536675][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.537023][  T399] CR2: 00000000004e73d0 CR3: 000000000abdf003 CR4: 0000000000772ef0
[   38.537440][  T399] PKRU: 55555554
[   38.537666][  T399] Call Trace:
[   38.537874][  T399]  <TASK>
[ 38.538016][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.538299][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.538573][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.538863][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.539143][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.539420][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.539714][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.539997][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.540349][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.540633][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.540914][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.541195][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.541478][ T399] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.541780][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.542121][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.542402][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.542688][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.542966][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.543244][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.543521][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.543825][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 38.544106][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.544385][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.544673][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.545018][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.545301][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.545605][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.545880][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.546168][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.546454][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.546751][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.547033][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.547304][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.547596][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.547875][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.548154][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.548439][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.548726][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.549015][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.549290][ T399] ? 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) 
[ 38.549570][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.549863][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.550144][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.550436][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.550727][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.551003][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.551287][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.551566][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.551861][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.552216][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 38.552498][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.552787][ T399] ? __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) 
[ 38.553133][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.553417][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.553721][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.554004][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.554280][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.554575][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.554871][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 38.555146][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.555486][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.555785][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.556064][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.556345][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.556709][  T399] RIP: 0033:0x7f58cc4181e7
[ 38.556998][ T399] 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)
[   38.557999][  T399] RSP: 002b:00007ffcde0367e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.558418][  T399] RAX: ffffffffffffffda RBX: 00007ffcde036f10 RCX: 00007f58cc4181e7
[   38.558852][  T399] RDX: 0000000000000000 RSI: 00007ffcde036850 RDI: 0000000000000005
[   38.559266][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.559692][  T399] R10: 00007f58cc315ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.560204][  T399] R13: 00000000686e4086 R14: 0000000000499600 R15: 0000000000000000
| [   38.686127][  T400] ------------[ cut here ]------------
| [ 38.686486][ T400] WARNING: CPU: 3 PID: 400 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) 
| [   38.687837][  T400] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.688880][  T400] Tainted: [W]=WARN
[   38.689099][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.689472][ T400] 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) 
[ 38.689820][ T400] 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
[   38.690880][  T400] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   38.691272][  T400] RAX: 0000000000000000 RBX: ffff8880096fc000 RCX: 0000000000000001
[   38.691735][  T400] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   38.692188][  T400] RBP: ffffc90000967230 R08: ffff88800a838800 R09: 0000000000000000
[   38.692644][  T400] R10: ffffc900009675c8 R11: ffffffff94e50668 R12: 1ffff9200012ce2c
[   38.693090][  T400] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800df87be0
[   38.693519][  T400] FS:  00007f67f7332800(0000) GS:ffff8880a0237000(0000) knlGS:0000000000000000
[   38.694066][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.694427][  T400] CR2: 00000000004e5ab8 CR3: 000000000bb44006 CR4: 0000000000772ef0
[   38.694898][  T400] PKRU: 55555554
[   38.695143][  T400] Call Trace:
[   38.695363][  T400]  <TASK>
[ 38.695508][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.695820][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.696134][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.696443][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.696745][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.697034][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.697349][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.697653][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.698029][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.698319][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.698617][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.698905][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.699195][ T400] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.699491][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.699864][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.700167][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.700450][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.700747][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.701034][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.701320][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.701622][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 38.701920][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.702207][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.702501][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.702867][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.703159][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.703449][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.703745][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.704040][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.704325][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.704624][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.704912][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.705198][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.705490][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.705796][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.706089][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.706378][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.706675][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.706983][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.707269][ T400] ? 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) 
[ 38.707556][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.707853][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.708136][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.708426][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.708725][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.709020][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.709317][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.709617][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.709908][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.710281][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 38.710560][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.710870][ T400] ? __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) 
[ 38.711245][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.711533][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.711872][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.712167][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.712453][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.712749][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.713040][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 38.713328][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.713684][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.713978][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.714266][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.714557][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.714935][  T400] RIP: 0033:0x7f67f74ff1e7
[ 38.715243][ T400] 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)
[   38.716307][  T400] RSP: 002b:00007ffd7fe62398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.716756][  T400] RAX: ffffffffffffffda RBX: 00007ffd7fe62ac0 RCX: 00007f67f74ff1e7
[   38.717200][  T400] RDX: 0000000000000000 RSI: 00007ffd7fe62400 RDI: 0000000000000005
[   38.717648][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.718082][  T400] R10: 00007f67f73fcee8 R11: 0000000000000246 R12: 0000000000000004
[   38.718507][  T400] R13: 00000000686e4086 R14: 0000000000499600 R15: 0000000000000000
| [   38.826874][  T401] ------------[ cut here ]------------
| [ 38.827221][ T401] WARNING: CPU: 0 PID: 401 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) 
| [   38.827827][  T401] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.828804][  T401] Tainted: [W]=WARN
[   38.829025][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.829385][ T401] 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) 
[ 38.829701][ T401] 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
[   38.830731][  T401] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   38.831097][  T401] RAX: 0000000000000000 RBX: ffff88800bce4000 RCX: 0000000000000001
[   38.831534][  T401] RDX: 0000000000000000 RSI: ffffffff9409b941 RDI: ffffffff938555e0
[   38.831988][  T401] RBP: ffffc90000987230 R08: ffff88800dd46800 R09: 0000000000000000
[   38.832420][  T401] R10: ffffc900009875c8 R11: ffffffff94e50668 R12: 1ffff92000130e2c
[   38.832858][  T401] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800df85560
[   38.833294][  T401] FS:  00007f7cc4a9e800(0000) GS:ffff8880a00b7000(0000) knlGS:0000000000000000
[   38.833814][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.834185][  T401] CR2: 00000000004e59c0 CR3: 000000000916b006 CR4: 0000000000772ef0
[   38.834635][  T401] PKRU: 55555554
[   38.834881][  T401] Call Trace:
[   38.835099][  T401]  <TASK>
[ 38.835247][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.835554][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.835858][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.836157][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.836449][ T401] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.836755][ T401] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.837054][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.837352][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.837764][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.838064][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.838353][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.838661][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.838957][ T401] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.839253][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.839622][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.839924][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.840213][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.840504][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.840813][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.841104][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.841394][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 38.841715][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.842008][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.842309][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.842680][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.842978][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.843275][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.843563][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.843872][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.844164][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.844460][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.844760][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.845050][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.845344][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.845650][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.845957][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.846251][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.846544][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.846867][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.847159][ T401] ? 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) 
[ 38.847460][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.847774][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.848065][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.848354][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.848657][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.848945][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.849229][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.849512][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.849801][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.850158][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 38.850430][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.850734][ T401] ? __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) 
[ 38.851086][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.851365][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.851665][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.851946][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.852260][ T401] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.852545][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.852840][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 38.853126][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.853471][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.853773][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.854085][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.854363][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.854717][  T401] RIP: 0033:0x7f7cc4c6b1e7
[ 38.855005][ T401] 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)
[   38.856025][  T401] RSP: 002b:00007fffd87a6078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.856453][  T401] RAX: ffffffffffffffda RBX: 00007fffd87a67a0 RCX: 00007f7cc4c6b1e7
[   38.856881][  T401] RDX: 0000000000000000 RSI: 00007fffd87a60e0 RDI: 0000000000000005
[   38.857302][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.857731][  T401] R10: 00007f7cc4b68ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink