======================================
| [   20.114483][  T320] ip_gre: GRE over IPv4 tunneling driver
| [   20.171064][  T319] ------------[ cut here ]------------
| [ 20.171626][ T319] WARNING: CPU: 3 PID: 319 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) 
| [   20.174200][  T319] Modules linked in: ip_gre gre 8021q vrf veth
[   20.175584][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.176292][ T319] 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) 
[ 20.176629][ T319] 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
[   20.178052][  T319] RSP: 0018:ffffc900005c7000 EFLAGS: 00010246
[   20.178465][  T319] RAX: 0000000000000000 RBX: ffff88800a7fc000 RCX: 0000000000000001
[   20.179253][  T319] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   20.179739][  T319] RBP: ffffc900005c70e8 R08: ffff88800a7fc218 R09: 0000000000000000
[   20.180510][  T319] R10: ffffc900005c7118 R11: ffffffffa4b79160 R12: 1ffff920000b8e04
[   20.181239][  T319] R13: 00000000000005c0 R14: ffffc900005c7118 R15: ffff88800a7fc218
[   20.181757][  T319] FS:  00007f3c7e639800(0000) GS:ffff88808fc37000(0000) knlGS:0000000000000000
[   20.182415][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.182842][  T319] CR2: 00007f0fb729b000 CR3: 000000000b488006 CR4: 0000000000772ef0
[   20.183557][  T319] PKRU: 55555554
[   20.183840][  T319] Call Trace:
[   20.184079][  T319]  <TASK>
[ 20.184240][ T319] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.184657][ T319] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.184982][ T319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.185303][ T319] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.185704][ T319] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.186044][ T319] netif_set_mtu (net/core/dev.c:9652) 
[ 20.186359][ T319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.186689][ T319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.186935][ T319] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.187244][ T319] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.187574][ T319] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.187898][ T319] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.188280][ T319] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.188598][ T319] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.188918][ T319] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.189230][ T319] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.189538][ T319] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.189853][ T319] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.190165][ T319] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.190477][ T319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.190781][ T319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.191106][ T319] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.194371][ T319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.194691][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.195023][ T319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.195341][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.199720][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.200044][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.200352][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.200661][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.200983][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.201290][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.201602][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.201928][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.202233][ T319] ? 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) 
[ 20.202559][ T319] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.202905][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.203254][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.203575][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.203909][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.204226][ T319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.204565][ T319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.204901][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.205205][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.205622][ T319] ___sys_sendmsg (net/socket.c:2670) 
[ 20.206391][ T319] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.206716][ T319] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.207037][ T319] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 20.207284][ T319] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.207590][ T319] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.207920][ T319] ? mt_find (lib/maple_tree.c:6938) 
[ 20.208170][ T319] __sys_sendmsg (net/socket.c:2700) 
[ 20.208500][ T319] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.208809][ T319] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.209134][ T319] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.209689][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.210921][ T319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.211231][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.211627][  T319] RIP: 0033:0x7f3c7e8061e7
[ 20.211977][ T319] Code: Unable to access opcode bytes at 0x7f3c7e8061bd.

Code starting with the faulting instruction
===========================================
[   20.212644][  T319] RSP: 002b:00007ffd3a7d9668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.213126][  T319] RAX: ffffffffffffffda RBX: 00007ffd3a7d9d90 RCX: 00007f3c7e8061e7
[   20.213602][  T319] RDX: 0000000000000000 RSI: 00007ffd3a7d96d0 RDI: 0000000000000005
[   20.214313][  T319] RBP: 000000000000000a R08: 00000000000000a8 R09: 0000000000000000
[   20.214811][  T319] R10: 00007f3c7e6fe6f8 R11: 0000000000000246 R12: 00007ffd3a7d9db0
[   20.215282][  T319] R13: 00000000686e4bac R14: 0000000000499600 R15: 00007ffd3a7d97b4
| [   22.630086][  T346] ------------[ cut here ]------------
| [ 22.630487][ T346] WARNING: CPU: 2 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.631147][  T346] Modules linked in: ip_gre gre 8021q vrf veth
| [   22.632234][  T346] Tainted: [W]=WARN
[   22.632497][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.633492][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.633849][ T346] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.634972][  T346] RSP: 0018:ffffc90000537000 EFLAGS: 00010246
[   22.635376][  T346] RAX: 0000000000000000 RBX: ffff88800b909000 RCX: 0000000000000001
[   22.635868][  T346] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   22.636343][  T346] RBP: ffffc900005370e8 R08: ffff88800b909218 R09: 0000000000000000
[   22.636812][  T346] R10: ffffc90000537118 R11: ffffffffa4b79160 R12: 1ffff920000a6e04
[   22.637300][  T346] R13: 000000000000ffe3 R14: ffffc90000537118 R15: ffff88800b909218
[   22.637785][  T346] FS:  00007f04dd5e8800(0000) GS:ffff88808fbb7000(0000) knlGS:0000000000000000
[   22.638346][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.638755][  T346] CR2: 00000000004200f0 CR3: 0000000005482001 CR4: 0000000000772ef0
[   22.639240][  T346] PKRU: 55555554
[   22.639483][  T346] Call Trace:
[   22.639736][  T346]  <TASK>
[ 22.639924][ T346] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.640332][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.640679][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.641033][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 22.641371][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.641724][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.641999][ T346] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.642338][ T346] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.642694][ T346] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.643060][ T346] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.643469][ T346] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.643799][ T346] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.644132][ T346] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 22.644453][ T346] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.644779][ T346] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.645116][ T346] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.645450][ T346] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.645785][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.646119][ T346] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.646447][ T346] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.646791][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.647134][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.647481][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.647806][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.648147][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.648475][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.648800][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.649146][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.649479][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.649815][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.650169][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.650520][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.650865][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.651207][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.651546][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.651885][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.652223][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.652555][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.652900][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.653239][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.653568][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.653900][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.654308][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 22.654635][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.654973][ T346] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 22.655306][ T346] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 22.655571][ T346] ? __handle_mm_fault (mm/memory.c:6212) 
[ 22.655907][ T346] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 22.656221][ T346] ? mt_find (lib/maple_tree.c:6938) 
[ 22.656484][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 22.656805][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.657151][ T346] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.657489][ T346] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.657813][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.658164][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.658489][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.658903][  T346] RIP: 0033:0x7f04dd7b51e7
[ 22.659242][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.660376][  T346] RSP: 002b:00007ffde4162918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.660870][  T346] RAX: ffffffffffffffda RBX: 00007ffde4163040 RCX: 00007f04dd7b51e7
[   22.661355][  T346] RDX: 0000000000000000 RSI: 00007ffde4162980 RDI: 0000000000000005
[   22.661845][  T346] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   22.662319][  T346] R10: 00007f04dd843ac0 R11: 0000000000000246 R12: 00007ffde4163060
[   22.662802][  T346] R13: 00000000686e4baf R14: 0000000000499600 R15: 00007ffde4162a64
| [   36.609452][  T393] ------------[ cut here ]------------
| [ 36.609987][ T393] WARNING: CPU: 3 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) 
| [   36.610576][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.611569][  T393] Tainted: [W]=WARN
[   36.611782][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.612153][ 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) 
[ 36.612440][ 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
[   36.613441][  T393] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   36.613798][  T393] RAX: 0000000000000000 RBX: ffff888008a71000 RCX: 0000000000000001
[   36.614229][  T393] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   36.614646][  T393] RBP: ffffc90000937230 R08: ffff88800aabe800 R09: 0000000000000000
[   36.615371][  T393] R10: ffffc900009375c8 R11: ffffffffa5450668 R12: 1ffff92000126e2c
[   36.615807][  T393] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800c6bce60
[   36.616566][  T393] FS:  00007f12f61fc800(0000) GS:ffff88808fc37000(0000) knlGS:0000000000000000
[   36.617073][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.617430][  T393] CR2: 00000000004e5aa0 CR3: 000000000e5b0002 CR4: 0000000000772ef0
[   36.617854][  T393] PKRU: 55555554
[   36.618064][  T393] Call Trace:
[   36.618271][  T393]  <TASK>
[ 36.618418][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.618706][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.618995][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.619279][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.619588][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.619887][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.620172][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.620463][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.620814][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.621104][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.621381][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.621664][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.621951][ 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) 
[ 36.622227][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.622572][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.622861][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.623137][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.623420][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.623698][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.623989][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.624265][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 36.624543][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.624833][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.625114][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.625459][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.625806][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.626095][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.626371][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.626651][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.626936][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.627209][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.627483][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.627758][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.628051][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.628330][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.628609][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.628897][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.629173][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.629457][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.629729][ 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) 
[ 36.630021][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.630299][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.630573][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.630860][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.631140][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.631413][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.631699][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.631997][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.632270][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.632620][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 36.632903][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.633177][ 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) 
[ 36.633521][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.633796][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.634084][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.634366][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.634642][ 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) 
[ 36.634922][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.635205][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 36.635476][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.635842][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.636139][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.636416][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.636694][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.637046][  T393] RIP: 0033:0x7f12f63c91e7
[ 36.637333][ 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)
[   36.638354][  T393] RSP: 002b:00007fff62b57048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.638772][  T393] RAX: ffffffffffffffda RBX: 00007fff62b57770 RCX: 00007f12f63c91e7
[   36.639195][  T393] RDX: 0000000000000000 RSI: 00007fff62b570b0 RDI: 0000000000000005
[   36.639609][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.640038][  T393] R10: 00007f12f62c6ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.640452][  T393] R13: 00000000686e4bbd R14: 0000000000499600 R15: 0000000000000000
| [   36.809342][  T394] ------------[ cut here ]------------
| [ 36.809881][ T394] WARNING: CPU: 0 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) 
| [   36.810875][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.813920][  T394] Tainted: [W]=WARN
[   36.814294][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.814921][ 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) 
[ 36.815440][ 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
[   36.817228][  T394] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   36.817878][  T394] RAX: 0000000000000000 RBX: ffff888005279000 RCX: 0000000000000001
[   36.818600][  T394] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   36.819347][  T394] RBP: ffffc90000937230 R08: ffff88800a8b2000 R09: 0000000000000000
[   36.820106][  T394] R10: ffffc900009375c8 R11: ffffffffa5450668 R12: 1ffff92000126e2c
[   36.820861][  T394] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800c6bd8e0
[   36.821579][  T394] FS:  00007fe076dff800(0000) GS:ffff88808fab7000(0000) knlGS:0000000000000000
[   36.822466][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.823105][  T394] CR2: 00000000004e5aa8 CR3: 000000000e5a7003 CR4: 0000000000772ef0
[   36.823856][  T394] PKRU: 55555554
[   36.824223][  T394] Call Trace:
[   36.824584][  T394]  <TASK>
[ 36.824851][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.825356][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.825880][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.826385][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.826882][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.827364][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.827869][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.828362][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.828996][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.829501][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.830004][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.830498][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.831011][ 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) 
[ 36.831503][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.832111][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.832607][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.833126][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.833625][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.834119][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.834598][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.835084][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 36.835592][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.836107][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.836599][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.837228][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.837721][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.838228][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.838707][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.839219][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.839694][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.840180][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.840670][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.841176][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.841666][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.842185][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.842691][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.843197][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.843699][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.844231][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.844731][ 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) 
[ 36.845241][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.845783][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.846090][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.846376][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.846654][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.846939][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.847238][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.847519][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.847794][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.848156][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 36.848431][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.848705][ 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) 
[ 36.849061][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.849353][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.849632][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.849924][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.850203][ 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) 
[ 36.850482][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.850770][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 36.851052][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.851400][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.851689][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.851979][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.852263][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.852605][  T394] RIP: 0033:0x7fe076fcc1e7
[ 36.852905][ 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)
[   36.853906][  T394] RSP: 002b:00007fffe45d4a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.854327][  T394] RAX: ffffffffffffffda RBX: 00007fffe45d51b0 RCX: 00007fe076fcc1e7
[   36.854743][  T394] RDX: 0000000000000000 RSI: 00007fffe45d4af0 RDI: 0000000000000005
[   36.855166][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.855608][  T394] R10: 00007fe076ec9ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.856034][  T394] R13: 00000000686e4bbd R14: 0000000000499600 R15: 0000000000000000
| [   36.983745][  T395] ------------[ cut here ]------------
| [ 36.984327][ T395] WARNING: CPU: 2 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) 
| [   36.984918][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.985910][  T395] Tainted: [W]=WARN
[   36.986139][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.986501][ 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) 
[ 36.986807][ 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
[   36.987845][  T395] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   36.988212][  T395] RAX: 0000000000000000 RBX: ffff88800a7fc000 RCX: 0000000000000001
[   36.988639][  T395] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   36.989077][  T395] RBP: ffffc90000937230 R08: ffff88800e502000 R09: 0000000000000000
[   36.989506][  T395] R10: ffffc900009375c8 R11: ffffffffa5450668 R12: 1ffff92000126e2c
[   36.989945][  T395] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800c6be360
[   36.990376][  T395] FS:  00007ff2f5d52800(0000) GS:ffff88808fbb7000(0000) knlGS:0000000000000000
[   36.990882][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.991260][  T395] CR2: 00000000004e73b8 CR3: 000000000e5b0001 CR4: 0000000000772ef0
[   36.991692][  T395] PKRU: 55555554
[   36.991925][  T395] Call Trace:
[   36.992147][  T395]  <TASK>
[ 36.992302][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.992596][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.992899][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.993192][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.993487][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.993780][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.994095][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.994392][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.994753][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.995056][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.995347][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.995651][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.995958][ 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) 
[ 36.996246][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.996603][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.996906][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.997197][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.997488][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.997782][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.998086][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.998373][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 36.998668][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.998976][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.999270][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.999626][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.999945][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.000240][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.000527][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.000834][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.001123][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.001409][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.001700][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.002000][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.002299][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.002592][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.002901][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.003192][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.003482][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.003780][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.004084][ 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) 
[ 37.004382][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.004678][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.004976][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.005273][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.005651][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.005968][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.006269][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.006573][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.006873][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.007241][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 37.007532][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.007852][ 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) 
[ 37.008216][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.008512][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.008809][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.009125][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.009418][ 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) 
[ 37.009707][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.010019][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 37.010310][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.010665][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.010992][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.011290][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.011588][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.011962][  T395] RIP: 0033:0x7ff2f5f1f1e7
[ 37.012266][ 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)
[   37.013290][  T395] RSP: 002b:00007ffd64b4b8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.013724][  T395] RAX: ffffffffffffffda RBX: 00007ffd64b4c020 RCX: 00007ff2f5f1f1e7
[   37.014166][  T395] RDX: 0000000000000000 RSI: 00007ffd64b4b960 RDI: 0000000000000005
[   37.014599][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.015050][  T395] R10: 00007ff2f5e1cee8 R11: 0000000000000246 R12: 0000000000000004
[   37.015494][  T395] R13: 00000000686e4bbd R14: 0000000000499600 R15: 0000000000000000
| [   37.134329][  T396] ------------[ cut here ]------------
| [ 37.134685][ 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) 
| [   37.135301][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.136300][  T396] Tainted: [W]=WARN
[   37.136538][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.136917][ 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) 
[ 37.137223][ 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
[   37.138245][  T396] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   37.138616][  T396] RAX: 0000000000000000 RBX: ffff888004ef9000 RCX: 0000000000000001
[   37.139066][  T396] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   37.139494][  T396] RBP: ffffc90000947230 R08: ffff888009cdb800 R09: 0000000000000000
[   37.139931][  T396] R10: ffffc900009475c8 R11: ffffffffa5450668 R12: 1ffff92000128e2c
[   37.140363][  T396] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800c6bede0
[   37.140795][  T396] FS:  00007f5d734cf800(0000) GS:ffff88808fbb7000(0000) knlGS:0000000000000000
[   37.141308][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.141671][  T396] CR2: 00000000004e5ab0 CR3: 000000000e5b0002 CR4: 0000000000772ef0
[   37.142122][  T396] PKRU: 55555554
[   37.142344][  T396] Call Trace:
[   37.142564][  T396]  <TASK>
[ 37.142717][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.143026][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.143312][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.143609][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.143910][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.144209][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.144503][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.144798][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.145179][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.145474][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.145778][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.146084][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.146388][ 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) 
[ 37.146675][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.147042][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.147333][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.147621][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.147920][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.148212][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.148508][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.148793][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 37.149094][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.149386][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.149675][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.150042][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.150335][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.150627][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.150931][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.151230][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.151521][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.151807][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.152116][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.152407][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.152696][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.153000][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.153301][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.153594][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.153902][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.154203][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.154490][ 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) 
[ 37.154782][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.155089][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.155494][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.155796][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.156109][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.156398][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.156696][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.157021][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.157316][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.157697][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 37.158001][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.158293][ 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) 
[ 37.158652][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.158955][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.159252][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.159558][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.159870][ 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) 
[ 37.160160][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.160456][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 37.160742][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.161112][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.161413][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.161701][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.162013][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.162393][  T396] RIP: 0033:0x7f5d7369c1e7
[ 37.162691][ 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)
[   37.163699][  T396] RSP: 002b:00007fffcd152258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.164148][  T396] RAX: ffffffffffffffda RBX: 00007fffcd152980 RCX: 00007f5d7369c1e7
[   37.164574][  T396] RDX: 0000000000000000 RSI: 00007fffcd1522c0 RDI: 0000000000000005
[   37.165036][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.165467][  T396] R10: 00007f5d73599ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.165932][  T396] R13: 00000000686e4bbd R14: 0000000000499600 R15: 0000000000000000
| [   37.302531][  T397] ------------[ cut here ]------------
| [ 37.302972][ T397] WARNING: CPU: 3 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) 
| [   37.303533][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.304483][  T397] Tainted: [W]=WARN
[   37.304692][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.305048][ 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) 
[ 37.305335][ 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
[   37.306340][  T397] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   37.306689][  T397] RAX: 0000000000000000 RBX: ffff888009184000 RCX: 0000000000000001
[   37.307108][  T397] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   37.307516][  T397] RBP: ffffc90000957230 R08: ffff88800c6c3800 R09: 0000000000000000
[   37.307939][  T397] R10: ffffc900009575c8 R11: ffffffffa5450668 R12: 1ffff9200012ae2c
[   37.308350][  T397] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800c6bf860
[   37.308760][  T397] FS:  00007fbe1a5b3800(0000) GS:ffff88808fc37000(0000) knlGS:0000000000000000
[   37.309253][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.309607][  T397] CR2: 00000000004e55b8 CR3: 0000000009ddb001 CR4: 0000000000772ef0
[   37.310030][  T397] PKRU: 55555554
[   37.310237][  T397] Call Trace:
[   37.310443][  T397]  <TASK>
[ 37.310586][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.310883][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.311158][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.311445][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.311727][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.312018][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.312298][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.312580][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.312949][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.313225][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.313507][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.313787][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.314075][ 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) 
[ 37.314351][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.314694][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.314981][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.315254][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.315544][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.315837][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.316115][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.316389][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 37.316669][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.316962][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.317243][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.317589][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.317904][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.318186][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.318463][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.318742][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.319026][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.319300][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.319577][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.319859][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.320140][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.320420][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.320700][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.320990][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.321267][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.321554][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.321859][ 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) 
[ 37.322144][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.322423][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.322696][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.322986][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.323266][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.323540][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.323835][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.324124][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.324399][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.324751][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 37.325033][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.325312][ 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) 
[ 37.325674][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.325962][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.326246][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.326526][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.326806][ 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) 
[ 37.327092][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.327376][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 37.327647][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.327998][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.328295][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.328573][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.328858][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.329201][  T397] RIP: 0033:0x7fbe1a7801e7
[ 37.329491][ 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)
[   37.330512][  T397] RSP: 002b:00007fff7de71f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.330934][  T397] RAX: ffffffffffffffda RBX: 00007fff7de72690 RCX: 00007fbe1a7801e7
[   37.331349][  T397] RDX: 0000000000000000 RSI: 00007fff7de71fd0 RDI: 0000000000000005
[   37.331761][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.332191][  T397] R10: 00007fbe1a67dee8 R11: 0000000000000246 R12: 0000000000000004
[   37.332601][  T397] R13: 00000000686e4bbe R14: 0000000000499600 R15: 0000000000000000
| [   37.441863][  T398] ------------[ cut here ]------------
| [ 37.442189][ T398] WARNING: CPU: 0 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) 
| [   37.442744][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.443691][  T398] Tainted: [W]=WARN
[   37.443913][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.444259][ 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) 
[ 37.444543][ 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
[   37.445547][  T398] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   37.445906][  T398] RAX: 0000000000000000 RBX: ffff88800bb51000 RCX: 0000000000000001
[   37.446318][  T398] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   37.446729][  T398] RBP: ffffc90000967230 R08: ffff88800b570800 R09: 0000000000000000
[   37.447162][  T398] R10: ffffc900009675c8 R11: ffffffffa5450668 R12: 1ffff9200012ce2c
[   37.447575][  T398] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800a67d560
[   37.448088][  T398] FS:  00007f8ecfc81800(0000) GS:ffff88808fab7000(0000) knlGS:0000000000000000
[   37.448578][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.448937][  T398] CR2: 00000000004e5ac8 CR3: 000000000e5b0001 CR4: 0000000000772ef0
[   37.449357][  T398] PKRU: 55555554
[   37.449564][  T398] Call Trace:
[   37.449775][  T398]  <TASK>
[ 37.449927][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.450218][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.450494][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.450778][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.451076][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.451357][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.451641][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.451934][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.452285][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.452559][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.452854][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.453137][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.453416][ 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) 
[ 37.453692][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.454047][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.454330][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.454605][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.454890][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.455177][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.455451][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.455741][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 37.456035][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.456314][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.456589][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.456941][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.457224][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.457511][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.457785][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.458076][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.458351][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.458622][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.458911][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.459184][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.459458][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.459740][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.460033][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.460313][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.460588][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.460884][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.461157][ 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) 
[ 37.461436][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.461718][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.462003][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.462283][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.462563][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.462854][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.463141][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.463423][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.463702][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.464082][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 37.464352][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.464625][ 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) 
[ 37.464977][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.465254][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.465541][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.465846][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.466125][ 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) 
[ 37.466398][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.466681][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 37.466964][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.467305][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.467593][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.467890][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.468171][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.468513][  T398] RIP: 0033:0x7f8ecfe4e1e7
[ 37.468808][ 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)
[   37.469817][  T398] RSP: 002b:00007ffdd1f8be58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.470246][  T398] RAX: ffffffffffffffda RBX: 00007ffdd1f8c580 RCX: 00007f8ecfe4e1e7
[   37.470659][  T398] RDX: 0000000000000000 RSI: 00007ffdd1f8bec0 RDI: 0000000000000005
[   37.471082][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.471495][  T398] R10: 00007f8ecfd4bee8 R11: 0000000000000246 R12: 0000000000000004
[   37.471923][  T398] R13: 00000000686e4bbe R14: 0000000000499600 R15: 0000000000000000
| [   37.589513][  T399] ------------[ cut here ]------------
| [ 37.590097][ T399] WARNING: CPU: 1 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) 
| [   37.590650][  T399] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.591686][  T399] Tainted: [W]=WARN
[   37.591907][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.592253][ 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) 
[ 37.592538][ 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
[   37.593538][  T399] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   37.593900][  T399] RAX: 0000000000000000 RBX: ffff88800b75c000 RCX: 0000000000000001
[   37.594313][  T399] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   37.594731][  T399] RBP: ffffc90000977230 R08: ffff88800c7e2000 R09: 0000000000000000
[   37.595160][  T399] R10: ffffc900009775c8 R11: ffffffffa5450668 R12: 1ffff9200012ee2c
[   37.595585][  T399] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800a67f4e0
[   37.596005][  T399] FS:  00007f84c2d6a800(0000) GS:ffff88808fb37000(0000) knlGS:0000000000000000
[   37.596508][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.596870][  T399] CR2: 00000000004e5ac0 CR3: 000000000b70f005 CR4: 0000000000772ef0
[   37.597285][  T399] PKRU: 55555554
[   37.597493][  T399] Call Trace:
[   37.597720][  T399]  <TASK>
[ 37.597875][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.598163][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.598438][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.598719][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.599015][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.599293][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.599573][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.599861][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.600208][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.600487][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.600766][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.601054][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.601340][ 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) 
[ 37.601615][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.601967][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.602246][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.602521][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.602801][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.603093][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.603369][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.603644][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 37.603935][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.604217][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.604490][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.604849][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.605140][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.605423][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.605707][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.606000][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.606278][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.606549][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.606841][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.607120][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.607403][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.607680][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.607982][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.608269][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.608545][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.608845][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.609118][ 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) 
[ 37.609405][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.609682][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.609986][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.610268][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.610549][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.610840][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.611124][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.611413][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.611721][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.612092][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 37.612364][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.612641][ 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) 
[ 37.613009][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.613292][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.613578][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.613877][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.614154][ 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) 
[ 37.614430][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.614712][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 37.614998][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.615340][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.615740][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.616033][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.616313][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.616654][  T399] RIP: 0033:0x7f84c2f371e7
[ 37.616955][ 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)
[   37.617959][  T399] RSP: 002b:00007fff63fbc4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.618380][  T399] RAX: ffffffffffffffda RBX: 00007fff63fbcbf0 RCX: 00007f84c2f371e7
[   37.618791][  T399] RDX: 0000000000000000 RSI: 00007fff63fbc530 RDI: 0000000000000005
[   37.619218][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.619635][  T399] R10: 00007f84c2e34ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.620053][  T399] R13: 00000000686e4bbe R14: 0000000000499600 R15: 0000000000000000
| [   37.776520][  T400] ------------[ cut here ]------------
| [ 37.776871][ T400] WARNING: CPU: 1 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) 
| [   37.777425][  T400] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.778468][  T400] Tainted: [W]=WARN
[   37.778685][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.779041][ 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) 
[ 37.779325][ 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
[   37.780331][  T400] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   37.780705][  T400] RAX: 0000000000000000 RBX: ffff88800b909000 RCX: 0000000000000001
[   37.781141][  T400] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   37.781563][  T400] RBP: ffffc90000977230 R08: ffff88800abad000 R09: 0000000000000000
[   37.782216][  T400] R10: ffffc900009775c8 R11: ffffffffa5450668 R12: 1ffff9200012ee2c
[   37.782631][  T400] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800a67cae0
[   37.783053][  T400] FS:  00007fdc176aa800(0000) GS:ffff88808fb37000(0000) knlGS:0000000000000000
[   37.783537][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.783896][  T400] CR2: 00000000004e73d0 CR3: 000000000e5a2006 CR4: 0000000000772ef0
[   37.784311][  T400] PKRU: 55555554
[   37.784517][  T400] Call Trace:
[   37.784726][  T400]  <TASK>
[ 37.784894][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.785181][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.785455][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.785758][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.786046][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.786321][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.786603][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.786899][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.787246][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.787534][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.787810][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.788103][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.788382][ 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) 
[ 37.788657][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.789029][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.789311][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.789591][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.789872][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.790148][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.790423][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.790693][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 37.790979][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.791256][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.791533][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.791897][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.792181][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.792465][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.792739][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.793045][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.793324][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.793595][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.793881][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.794162][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.794438][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.794715][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.795003][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.795279][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.795570][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.795866][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.796147][ 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) 
[ 37.796425][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.796703][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.797004][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.797322][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.797606][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.797895][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.798182][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.798465][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.798737][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.799103][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 37.799378][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.799652][ 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) 
[ 37.800008][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.800298][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.800581][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.800919][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.801197][ 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) 
[ 37.801473][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.801753][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 37.802036][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.802388][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.802678][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.802966][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.803251][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.803592][  T400] RIP: 0033:0x7fdc178771e7
[ 37.803893][ 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)
[   37.804970][  T400] RSP: 002b:00007ffc56de4128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.805387][  T400] RAX: ffffffffffffffda RBX: 00007ffc56de4850 RCX: 00007fdc178771e7
[   37.805809][  T400] RDX: 0000000000000000 RSI: 00007ffc56de4190 RDI: 0000000000000005
[   37.806229][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.806650][  T400] R10: 00007fdc17774ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.807072][  T400] R13: 00000000686e4bbe R14: 0000000000499600 R15: 0000000000000000
| [   37.921539][  T401] ------------[ cut here ]------------
| [ 37.921875][ 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) 
| [   37.922467][  T401] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.923417][  T401] Tainted: [W]=WARN
[   37.923627][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.923981][ 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) 
[ 37.924268][ 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
[   37.925628][  T401] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   37.926000][  T401] RAX: 0000000000000000 RBX: ffff888004efc000 RCX: 0000000000000001
[   37.926415][  T401] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   37.926847][  T401] RBP: ffffc90000987230 R08: ffff88800a2a5000 R09: 0000000000000000
[   37.927263][  T401] R10: ffffc900009875c8 R11: ffffffffa5450668 R12: 1ffff92000130e2c
[   37.927686][  T401] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800a67d8e0
[   37.928115][  T401] FS:  00007f0628e47800(0000) GS:ffff88808fab7000(0000) knlGS:0000000000000000
[   37.928610][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.928968][  T401] CR2: 00000000004e5ab8 CR3: 000000000a94d002 CR4: 0000000000772ef0
[   37.929383][  T401] PKRU: 55555554
[   37.929591][  T401] Call Trace:
[   37.929798][  T401]  <TASK>
[ 37.929950][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.930234][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.930510][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.930797][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.931093][ T401] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.931373][ T401] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.931654][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.931950][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.932298][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.932579][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.932866][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.933146][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.933427][ 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) 
[ 37.933703][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.934055][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.934333][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.934617][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.934905][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.935187][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.935463][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.935763][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 37.936052][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.936330][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.936605][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.936967][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.937251][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.937530][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.937811][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.938102][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.938377][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.938753][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.939044][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.939325][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.939601][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.939889][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.940196][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.940476][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.940754][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.941050][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.941329][ 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) 
[ 37.941606][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.941978][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.942251][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.942536][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.942819][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.943104][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.943395][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.943675][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.943959][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.944323][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 37.944593][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.944878][ 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) 
[ 37.945220][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.945520][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.945805][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.946096][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.946396][ 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) 
[ 37.946667][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.946960][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 37.947230][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.947580][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.947877][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.948151][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.948428][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.948773][  T401] RIP: 0033:0x7f06290141e7
[ 37.949071][ 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)
[   37.950069][  T401] RSP: 002b:00007ffddd1b9fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.950484][  T401] RAX: ffffffffffffffda RBX: 00007ffddd1ba6d0 RCX: 00007f06290141e7
[   37.950902][  T401] RDX: 0000000000000000 RSI: 00007ffddd1ba010 RDI: 0000000000000005
[   37.951336][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.951757][  T401] R10: 00007f0628f11ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.952178][  T401] R13: 00000000686e4bbe R14: 0000000000499600 R15: 0000000000000000
| [   38.083756][  T402] ------------[ cut here ]------------
| [ 38.084176][ T402] WARNING: CPU: 1 PID: 402 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) 
| [   38.084736][  T402] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.086319][  T402] Tainted: [W]=WARN
[   38.086529][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.086881][ T402] 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) 
[ 38.087174][ T402] 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
[   38.088175][  T402] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   38.088525][  T402] RAX: 0000000000000000 RBX: ffff888008a81000 RCX: 0000000000000001
[   38.088945][  T402] RDX: 0000000000000000 RSI: ffffffffa469b941 RDI: ffffffffa3e555e0
[   38.089362][  T402] RBP: ffffc90000997230 R08: ffff88800a565000 R09: 0000000000000000
[   38.089774][  T402] R10: ffffc900009975c8 R11: ffffffffa5450668 R12: 1ffff92000132e2c
[   38.090197][  T402] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800263aa60
[   38.090610][  T402] FS:  00007f98ce8d5800(0000) GS:ffff88808fb37000(0000) knlGS:0000000000000000
[   38.091107][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.091455][  T402] CR2: 00000000004e59c0 CR3: 000000000bcca002 CR4: 0000000000772ef0
[   38.091892][  T402] PKRU: 55555554
[   38.092100][  T402] Call Trace:
[   38.092307][  T402]  <TASK>
[ 38.092448][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.092733][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.093027][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.093307][ T402] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.093584][ T402] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.093890][ T402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.094170][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.094450][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.094810][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.095100][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.095375][ T402] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.095687][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.095996][ T402] ? __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) 
[ 38.096273][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.096616][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.096914][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.097218][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.097498][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.097787][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.098081][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.098356][ T402] ? __create_object (mm/kmemleak.c:771) 
[ 38.098639][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.098927][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.099212][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.099556][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.099869][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.100151][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.100426][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.100706][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.100992][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.101272][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.101546][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.101818][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.102122][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.102402][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.102681][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.102972][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.103248][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.103544][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.103852][ T402] ? 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) 
[ 38.104132][ T402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.104409][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.104680][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.104973][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.105253][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.105545][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.105845][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.106125][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.106399][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.106754][ T402] ___sys_sendmsg (net/socket.c:2670) 
[ 38.107040][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.107318][ T402] ? __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) 
[ 38.107673][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.107977][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.108258][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.108540][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.108815][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.109107][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.109390][ T402] __sys_sendmsg (net/socket.c:2700) 
[ 38.109678][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.110031][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.110322][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.110600][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.110887][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.111229][  T402] RIP: 0033:0x7f98ceaa21e7
[ 38.111518][ T402] 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)
[   38.112537][  T402] RSP: 002b:00007fff3ef55e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.112967][  T402] RAX: ffffffffffffffda RBX: 00007fff3ef56550 RCX: 00007f98ceaa21e7
[   38.113386][  T402] RDX: 0000000000000000 RSI: 00007fff3ef55e90 RDI: 0000000000000005
[   38.113808][  T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.114240][  T402] R10: 00007f98ce99fee8 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