======================================
| [   20.241506][  T319] ip_gre: GRE over IPv4 tunneling driver
| [   20.315891][  T318] ------------[ cut here ]------------
| [ 20.316391][ T318] WARNING: CPU: 0 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.317050][  T318] Modules linked in: ip_gre gre 8021q vrf veth
[   20.318119][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.318538][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.318885][ T318] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.320051][  T318] RSP: 0018:ffffc900004e7000 EFLAGS: 00010246
[   20.320459][  T318] RAX: 0000000000000000 RBX: ffff888012fc9000 RCX: 0000000000000001
[   20.320952][  T318] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   20.321453][  T318] RBP: ffffc900004e70e8 R08: ffff888012fc9218 R09: 0000000000000000
[   20.321935][  T318] R10: ffffc900004e7118 R11: ffffffffae179160 R12: 1ffff9200009ce04
[   20.322510][  T318] R13: 00000000000005c0 R14: ffffc900004e7118 R15: ffff888012fc9218
[   20.322989][  T318] FS:  00007f802b226800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   20.323534][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.323922][  T318] CR2: 00007f33b3bb1000 CR3: 00000000105e0005 CR4: 0000000000772ef0
[   20.324395][  T318] PKRU: 55555554
[   20.324639][  T318] Call Trace:
[   20.324872][  T318]  <TASK>
[ 20.325034][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.325441][ T318] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.326014][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.326334][ T318] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.326727][ T318] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.327975][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.328314][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.328654][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.328979][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.329298][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.329613][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.329925][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.330313][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.330633][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.330948][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.331269][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.331574][ T318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.331880][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.332195][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.332515][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.332822][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.333836][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.334166][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.334478][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.334794][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.335106][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.335415][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.335725][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.336030][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.336352][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.336664][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.336969][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.337281][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.337603][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.337962][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.338522][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.338854][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.339186][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.339522][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.339851][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.340185][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.340515][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.340842][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.341170][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.341818][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.342151][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.342481][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.342804][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.343135][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.343466][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.343798][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.344135][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.344455][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.344790][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.345121][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.346112][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.346516][  T318] RIP: 0033:0x7f802b3f31e7
[ 20.346856][ T318] Code: Unable to access opcode bytes at 0x7f802b3f31bd.

Code starting with the faulting instruction
===========================================
[   20.347524][  T318] RSP: 002b:00007ffee5d3a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.348011][  T318] RAX: ffffffffffffffda RBX: 00007ffee5d3ad30 RCX: 00007f802b3f31e7
[   20.348507][  T318] RDX: 0000000000000000 RSI: 00007ffee5d3a670 RDI: 0000000000000005
[   20.348991][  T318] RBP: 000000000000000a R08: 00000000000000a8 R09: 0000000000000000
[   20.350158][  T318] R10: 00007f802b2eb6f8 R11: 0000000000000246 R12: 00007ffee5d3ad50
[   20.350641][  T318] R13: 00000000686e1719 R14: 0000000000499600 R15: 00007ffee5d3a754
| [   22.857228][  T345] ------------[ cut here ]------------
| [ 22.857611][ T345] WARNING: CPU: 1 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.858232][  T345] Modules linked in: ip_gre gre 8021q vrf veth
| [   22.859293][  T345] Tainted: [W]=WARN
[   22.859531][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.859916][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.861766][ T345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.863083][  T345] RSP: 0018:ffffc90000667000 EFLAGS: 00010246
[   22.863473][  T345] RAX: 0000000000000000 RBX: ffff8880128e4000 RCX: 0000000000000001
[   22.863929][  T345] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   22.864581][  T345] RBP: ffffc900006670e8 R08: ffff8880128e4218 R09: 0000000000000000
[   22.865189][  T345] R10: ffffc90000667118 R11: ffffffffae179160 R12: 1ffff920000cce04
[   22.865665][  T345] R13: 000000000000ffe3 R14: ffffc90000667118 R15: ffff8880128e4218
[   22.866191][  T345] FS:  00007f388ec5c800(0000) GS:ffff888086537000(0000) knlGS:0000000000000000
[   22.866728][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.867131][  T345] CR2: 00000000004200f0 CR3: 0000000014e25003 CR4: 0000000000772ef0
[   22.867602][  T345] PKRU: 55555554
[   22.867832][  T345] Call Trace:
[   22.868088][  T345]  <TASK>
[ 22.868247][ T345] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.868686][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.868998][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.869333][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 22.869647][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.869975][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.870225][ T345] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.870540][ T345] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.870862][ T345] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.871188][ T345] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.871579][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.871901][ T345] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.872229][ T345] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 22.872545][ T345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.872860][ T345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.873185][ T345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.873498][ T345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.873812][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.874134][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.874469][ T345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.874789][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.875140][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.875464][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.875766][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.876087][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.876392][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.876705][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.877013][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.877336][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.877650][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.877965][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.878299][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.878658][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.879036][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.879389][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.879698][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.880011][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.880351][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.880662][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.880977][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.881302][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.881612][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.882007][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 22.882328][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.882643][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.882956][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.883266][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.883591][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.883904][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.884225][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 22.884530][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.884852][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.885173][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.885483][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.885860][  T345] RIP: 0033:0x7f388ee291e7
[ 22.886186][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.887298][  T345] RSP: 002b:00007fff6b6a24c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.887760][  T345] RAX: ffffffffffffffda RBX: 00007fff6b6a2bf0 RCX: 00007f388ee291e7
[   22.888227][  T345] RDX: 0000000000000000 RSI: 00007fff6b6a2530 RDI: 0000000000000005
[   22.888725][  T345] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   22.889200][  T345] R10: 00007f388eeb7ac0 R11: 0000000000000246 R12: 00007fff6b6a2c10
[   22.889659][  T345] R13: 00000000686e171c R14: 0000000000499600 R15: 00007fff6b6a2614
| [   36.712661][  T391] ------------[ cut here ]------------
| [ 36.713158][ T391] WARNING: CPU: 0 PID: 391 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) 
| [   36.713757][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.714809][  T391] Tainted: [W]=WARN
[   36.715051][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.715434][ T391] 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) 
[ 36.715739][ T391] 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
[   36.717692][  T391] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   36.718099][  T391] RAX: 0000000000000000 RBX: ffff88800fc24000 RCX: 0000000000000001
[   36.718565][  T391] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   36.719001][  T391] RBP: ffffc90000947230 R08: ffff888005490800 R09: 0000000000000000
[   36.719470][  T391] R10: ffffc900009475c8 R11: ffffffffaea50668 R12: 1ffff92000128e2c
[   36.719915][  T391] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff888010134060
[   36.720375][  T391] FS:  00007f8613d7d800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   36.720886][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.721278][  T391] CR2: 00000000004e5aa0 CR3: 00000000105f8004 CR4: 0000000000772ef0
[   36.721721][  T391] PKRU: 55555554
[   36.721941][  T391] Call Trace:
[   36.722183][  T391]  <TASK>
[ 36.722337][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.722640][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.722938][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.723265][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.723557][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.723854][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.724159][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.724819][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.725219][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.725527][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.725821][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.726136][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.726452][ T391] ? __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) 
[ 36.726745][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.727122][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.727435][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.727723][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.728016][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.728336][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.728653][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.728946][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 36.729259][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.729565][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.729856][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.730233][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.730563][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.730864][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.731169][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.731492][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.731782][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.732079][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.732385][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.732684][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.732977][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.733287][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.733606][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.733905][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.734216][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.734533][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.734874][ T391] ? 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) 
[ 36.735180][ T391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.735496][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.735787][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.736096][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.736392][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.736701][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.737010][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.737317][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.737618][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.737991][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 36.738290][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.738613][ T391] ? __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) 
[ 36.738976][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.739310][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.739646][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.739943][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.740247][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.740539][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.740852][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 36.741152][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.741519][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.741845][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.742149][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.742445][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.742823][  T391] RIP: 0033:0x7f8613f4a1e7
[ 36.743134][ T391] 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)
[   36.744207][  T391] RSP: 002b:00007ffeffd2e778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.744663][  T391] RAX: ffffffffffffffda RBX: 00007ffeffd2eea0 RCX: 00007f8613f4a1e7
[   36.745122][  T391] RDX: 0000000000000000 RSI: 00007ffeffd2e7e0 RDI: 0000000000000005
[   36.745560][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.746012][  T391] R10: 00007f8613e47ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.746461][  T391] R13: 00000000686e172a R14: 0000000000499600 R15: 0000000000000000
| [   36.887745][  T392] ------------[ cut here ]------------
| [ 36.888114][ T392] WARNING: CPU: 0 PID: 392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.888733][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.891024][  T392] Tainted: [W]=WARN
[   36.891259][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.891634][ T392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.891943][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.893035][  T392] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   36.893448][  T392] RAX: 0000000000000000 RBX: ffff888007b61000 RCX: 0000000000000001
[   36.893885][  T392] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   36.894354][  T392] RBP: ffffc90000957230 R08: ffff88800547d000 R09: 0000000000000000
[   36.894792][  T392] R10: ffffc900009575c8 R11: ffffffffaea50668 R12: 1ffff9200012ae2c
[   36.895239][  T392] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff888010134ae0
[   36.895695][  T392] FS:  00007f6c5cb76800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   36.896219][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.896607][  T392] CR2: 00000000004e5aa8 CR3: 00000000128f0001 CR4: 0000000000772ef0
[   36.897075][  T392] PKRU: 55555554
[   36.897305][  T392] Call Trace:
[   36.897541][  T392]  <TASK>
[ 36.897692][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.897993][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.898298][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.898631][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.898928][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.899239][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.899548][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.899844][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.900232][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.900549][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.900840][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.901154][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.901456][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.901762][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.902139][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.902437][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.902744][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.903059][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.903359][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.903666][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.903959][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 36.904275][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.904577][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.904872][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.905270][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.905572][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.905882][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.906185][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.906484][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.906789][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.907088][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.907379][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.907688][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.907981][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.908303][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.908613][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.908917][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.909232][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.909535][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.909848][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.910150][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.910445][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.910744][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.911056][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.911355][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.911646][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.911972][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.912282][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.912571][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.912960][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 36.913273][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.913571][ T392] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.913951][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.914264][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.914561][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.914876][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.915183][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.915482][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.915783][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 36.916094][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.916458][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.916766][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.917107][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.917407][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.917768][  T392] RIP: 0033:0x7f6c5cd431e7
[ 36.918097][ T392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.919174][  T392] RSP: 002b:00007ffc4fdb5948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.919614][  T392] RAX: ffffffffffffffda RBX: 00007ffc4fdb6070 RCX: 00007f6c5cd431e7
[   36.920070][  T392] RDX: 0000000000000000 RSI: 00007ffc4fdb59b0 RDI: 0000000000000005
[   36.920508][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.920961][  T392] R10: 00007f6c5cc40ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.921422][  T392] R13: 00000000686e172a R14: 0000000000499600 R15: 0000000000000000
| [   37.035584][  T393] ------------[ cut here ]------------
| [ 37.035949][ T393] WARNING: CPU: 0 PID: 393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.036558][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.037572][  T393] Tainted: [W]=WARN
[   37.037792][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.038176][ T393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.038497][ T393] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.039557][  T393] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   37.039929][  T393] RAX: 0000000000000000 RBX: ffff888012fc9000 RCX: 0000000000000001
[   37.040398][  T393] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   37.040847][  T393] RBP: ffffc90000967230 R08: ffff888004dd0800 R09: 0000000000000000
[   37.041313][  T393] R10: ffffc900009675c8 R11: ffffffffaea50668 R12: 1ffff9200012ce2c
[   37.041756][  T393] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff888010135560
[   37.042227][  T393] FS:  00007f3cd4411800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   37.042748][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.043155][  T393] CR2: 00000000004e73b8 CR3: 00000000105f8002 CR4: 0000000000772ef0
[   37.043598][  T393] PKRU: 55555554
[   37.043820][  T393] Call Trace:
[   37.044055][  T393]  <TASK>
[ 37.044221][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.044522][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.044821][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.045145][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.045446][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.045743][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.046055][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.046374][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.046746][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.047057][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.047359][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.047648][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.047939][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.048254][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.048627][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.048920][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.049239][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.049540][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.049838][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.050140][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.050445][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 37.050741][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.051036][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.051365][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.051728][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.052023][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.052347][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.052642][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.052940][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.053242][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.053547][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.053851][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.054151][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.054453][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.054748][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.055057][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.055348][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.055654][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.055962][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.056269][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.056574][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.056868][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.057168][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.057485][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.057783][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.058089][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.058402][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.058717][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.059009][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.059402][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 37.059702][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.059993][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.060375][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.060687][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.060977][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.061282][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.061590][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.061881][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.062194][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 37.062485][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.062862][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.063177][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.063476][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.063788][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.064156][  T393] RIP: 0033:0x7f3cd45de1e7
[ 37.064463][ T393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.065531][  T393] RSP: 002b:00007ffec9c90a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.065985][  T393] RAX: ffffffffffffffda RBX: 00007ffec9c91160 RCX: 00007f3cd45de1e7
[   37.066437][  T393] RDX: 0000000000000000 RSI: 00007ffec9c90aa0 RDI: 0000000000000005
[   37.066894][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.067344][  T393] R10: 00007f3cd44dbee8 R11: 0000000000000246 R12: 0000000000000004
[   37.067795][  T393] R13: 00000000686e172a R14: 0000000000499600 R15: 0000000000000000
| [   37.218832][  T394] ------------[ cut here ]------------
| [ 37.219409][ T394] WARNING: CPU: 1 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.220400][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.223235][  T394] Tainted: [W]=WARN
[   37.223624][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.224300][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.224843][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.226403][  T394] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   37.226780][  T394] RAX: 0000000000000000 RBX: ffff8880114c1000 RCX: 0000000000000001
[   37.227242][  T394] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   37.227683][  T394] RBP: ffffc90000977230 R08: ffff888012763800 R09: 0000000000000000
[   37.228176][  T394] R10: ffffc900009775c8 R11: ffffffffaea50668 R12: 1ffff9200012ee2c
[   37.228642][  T394] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff888010135fe0
[   37.229091][  T394] FS:  00007f60a0c53800(0000) GS:ffff888086537000(0000) knlGS:0000000000000000
[   37.229618][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.229981][  T394] CR2: 00000000004e5ab0 CR3: 0000000012aa1004 CR4: 0000000000772ef0
[   37.230710][  T394] PKRU: 55555554
[   37.231116][  T394] Call Trace:
[   37.231503][  T394]  <TASK>
[ 37.231767][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.232316][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.232837][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.233382][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.233752][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.234081][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.234401][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.234701][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.235081][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.235392][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.235682][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.235981][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.236297][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.236593][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.236948][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.237270][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.237564][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.237853][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.238187][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.238500][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.238787][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 37.239097][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.239405][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.239702][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.240075][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.240584][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.240990][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.241306][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.241606][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.241904][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.242234][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.242532][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.242825][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.243138][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.243445][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.243742][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.244051][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.244358][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.244662][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.244954][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.245277][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.245574][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.245867][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.246208][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.246503][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.246790][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.247095][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.247404][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.247700][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.248084][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 37.248399][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.248698][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.249070][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.249377][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.249673][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.249978][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.250311][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.250608][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.250909][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 37.251222][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.251582][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.251883][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.252220][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.252516][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.252870][  T394] RIP: 0033:0x7f60a0e201e7
[ 37.253194][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.254269][  T394] RSP: 002b:00007ffe51ff79e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.254710][  T394] RAX: ffffffffffffffda RBX: 00007ffe51ff8110 RCX: 00007f60a0e201e7
[   37.255162][  T394] RDX: 0000000000000000 RSI: 00007ffe51ff7a50 RDI: 0000000000000005
[   37.255622][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.256070][  T394] R10: 00007f60a0d1dee8 R11: 0000000000000246 R12: 0000000000000004
[   37.256529][  T394] R13: 00000000686e172b R14: 0000000000499600 R15: 0000000000000000
| [   37.383978][  T395] ------------[ cut here ]------------
| [ 37.384352][ T395] WARNING: CPU: 3 PID: 395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.384931][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.385923][  T395] Tainted: [W]=WARN
[   37.386157][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.386540][ T395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.386851][ T395] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.388073][  T395] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   37.388470][  T395] RAX: 0000000000000000 RBX: ffff8880085f1000 RCX: 0000000000000001
[   37.388911][  T395] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   37.389372][  T395] RBP: ffffc90000987230 R08: ffff88801089d000 R09: 0000000000000000
[   37.389806][  T395] R10: ffffc900009875c8 R11: ffffffffaea50668 R12: 1ffff92000130e2c
[   37.390248][  T395] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff888010136a60
[   37.390706][  T395] FS:  00007efe642ef800(0000) GS:ffff888086637000(0000) knlGS:0000000000000000
[   37.391224][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.391631][  T395] CR2: 00000000004e55b8 CR3: 00000000105f8003 CR4: 0000000000772ef0
[   37.392075][  T395] PKRU: 55555554
[   37.392302][  T395] Call Trace:
[   37.392540][  T395]  <TASK>
[ 37.392693][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.392998][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.393319][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.393614][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.393902][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.394202][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.394507][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.394803][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.395187][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.395494][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.395779][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.396080][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.396388][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.396679][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.397057][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.397402][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.397897][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.398279][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.398606][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.398902][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.399203][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 37.399497][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.399790][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.400088][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.400450][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.400746][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.401054][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.401341][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.401636][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.401927][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.402229][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.402533][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.402822][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.403124][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.403415][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.403706][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.403994][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.404295][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.404604][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.404892][ 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) 
[ 37.405186][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.405479][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.405765][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.406087][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.406388][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.406677][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.406971][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.407274][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.407558][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.407926][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 37.408219][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.408524][ 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) 
[ 37.408881][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.409181][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.409470][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.409764][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.410059][ 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) 
[ 37.410343][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.410642][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 37.410933][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.411302][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.411602][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.411893][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.412192][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.412550][  T395] RIP: 0033:0x7efe644bc1e7
[ 37.412859][ 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)
[   37.413902][  T395] RSP: 002b:00007ffcf3396138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.414351][  T395] RAX: ffffffffffffffda RBX: 00007ffcf3396860 RCX: 00007efe644bc1e7
[   37.414783][  T395] RDX: 0000000000000000 RSI: 00007ffcf33961a0 RDI: 0000000000000005
[   37.415233][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.415663][  T395] R10: 00007efe643b9ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.416106][  T395] R13: 00000000686e172b R14: 0000000000499600 R15: 0000000000000000
| [   37.560012][  T396] ------------[ cut here ]------------
| [ 37.560421][ T396] WARNING: CPU: 0 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) 
| [   37.561019][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.562448][  T396] Tainted: [W]=WARN
[   37.562676][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.563067][ 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) 
[ 37.563372][ 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
[   37.564446][  T396] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   37.564813][  T396] RAX: 0000000000000000 RBX: ffff88801010c000 RCX: 0000000000000001
[   37.565258][  T396] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   37.565695][  T396] RBP: ffffc900009c7230 R08: ffff8880128cb800 R09: 0000000000000000
[   37.566152][  T396] R10: ffffc900009c75c8 R11: ffffffffaea50668 R12: 1ffff92000138e2c
[   37.566589][  T396] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff8880101374e0
[   37.567030][  T396] FS:  00007fb64f7d4800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   37.567557][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.567936][  T396] CR2: 00000000004e5ac8 CR3: 0000000011217006 CR4: 0000000000772ef0
[   37.568433][  T396] PKRU: 55555554
[   37.568657][  T396] Call Trace:
[   37.568874][  T396]  <TASK>
[ 37.569024][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.569333][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.569627][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.569927][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.570241][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.570562][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.570863][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.571173][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.571546][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.571839][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.572146][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.572470][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.572763][ 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) 
[ 37.573073][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.573460][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.573749][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.574033][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.574349][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.574642][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.574941][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.575242][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 37.575535][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.575824][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.576123][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.576515][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.576820][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.577134][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.577423][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.577720][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.578021][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.578323][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.578662][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.578942][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.579244][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.579528][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.579809][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.580097][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.580405][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.580699][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.580974][ 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) 
[ 37.581276][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.581559][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.581836][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.582133][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.582416][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.582696][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.582985][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.583302][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.583579][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.583939][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 37.584229][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.584544][ 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) 
[ 37.584892][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.585188][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.585493][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.585791][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.586092][ 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) 
[ 37.586385][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.586670][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 37.586946][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.587312][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.587607][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.587886][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.588176][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.588567][  T396] RIP: 0033:0x7fb64f9a11e7
[ 37.588856][ 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)
[   37.589870][  T396] RSP: 002b:00007ffe873af0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.590299][  T396] RAX: ffffffffffffffda RBX: 00007ffe873af7d0 RCX: 00007fb64f9a11e7
[   37.590718][  T396] RDX: 0000000000000000 RSI: 00007ffe873af110 RDI: 0000000000000005
[   37.591143][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.591569][  T396] R10: 00007fb64f89eee8 R11: 0000000000000246 R12: 0000000000000004
[   37.591987][  T396] R13: 00000000686e172b R14: 0000000000499600 R15: 0000000000000000
| [   37.733441][  T397] ------------[ cut here ]------------
| [ 37.733763][ T397] WARNING: CPU: 0 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.734424][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.735391][  T397] Tainted: [W]=WARN
[   37.735609][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.735952][ 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) 
[ 37.736249][ 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
[   37.737255][  T397] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   37.737612][  T397] RAX: 0000000000000000 RBX: ffff888010109000 RCX: 0000000000000001
[   37.738025][  T397] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   37.738475][  T397] RBP: ffffc900009d7230 R08: ffff8880128e8800 R09: 0000000000000000
[   37.738888][  T397] R10: ffffc900009d75c8 R11: ffffffffaea50668 R12: 1ffff9200013ae2c
[   37.739334][  T397] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff888004fd0060
[   37.739746][  T397] FS:  00007facea67c800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   37.740239][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.740588][  T397] CR2: 00000000004e5ac0 CR3: 00000000105f8002 CR4: 0000000000772ef0
[   37.741014][  T397] PKRU: 55555554
[   37.741232][  T397] Call Trace:
[   37.741442][  T397]  <TASK>
[ 37.741583][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.741868][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.742155][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.742435][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.742712][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.742996][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.743295][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.743579][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.743931][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.744222][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.744501][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.744779][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.745081][ 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) 
[ 37.745357][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.745703][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.745985][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.746280][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.746555][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.746833][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.747127][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.747400][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 37.747677][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.747951][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.748240][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.748604][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.748884][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.749175][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.749455][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.749737][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.750014][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.750301][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.750585][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.750857][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.751140][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.751417][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.751703][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.751980][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.752267][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.752553][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.752827][ 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) 
[ 37.753115][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.753395][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.753674][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.753977][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.754280][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.754559][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.754840][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.755130][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.755406][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.755766][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 37.756055][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.756331][ 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) 
[ 37.756675][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.756953][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.757245][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.757528][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.757808][ 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) 
[ 37.758096][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.758395][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 37.758682][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.759024][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.759325][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.759606][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.759893][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.760246][  T397] RIP: 0033:0x7facea8491e7
[ 37.760532][ 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)
[   37.761517][  T397] RSP: 002b:00007fff0960c0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.761943][  T397] RAX: ffffffffffffffda RBX: 00007fff0960c7e0 RCX: 00007facea8491e7
[   37.762363][  T397] RDX: 0000000000000000 RSI: 00007fff0960c120 RDI: 0000000000000005
[   37.762774][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.763197][  T397] R10: 00007facea746ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.763617][  T397] R13: 00000000686e172b R14: 0000000000499600 R15: 0000000000000000
| [   37.888908][  T398] ------------[ cut here ]------------
| [ 37.889457][ T398] WARNING: CPU: 3 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.890007][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.890940][  T398] Tainted: [W]=WARN
[   37.891162][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.891549][ 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) 
[ 37.891839][ 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
[   37.892837][  T398] RSP: 0018:ffffc90000a07140 EFLAGS: 00010246
[   37.893204][  T398] RAX: 0000000000000000 RBX: ffff8880128e4000 RCX: 0000000000000001
[   37.893617][  T398] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   37.894030][  T398] RBP: ffffc90000a07230 R08: ffff8880126aa000 R09: 0000000000000000
[   37.894456][  T398] R10: ffffc90000a075c8 R11: ffffffffaea50668 R12: 1ffff92000140e2c
[   37.894875][  T398] R13: 00000000000007d0 R14: ffffc90000a07880 R15: ffff8880109a1fe0
[   37.895296][  T398] FS:  00007fb152bbb800(0000) GS:ffff888086637000(0000) knlGS:0000000000000000
[   37.895807][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.896166][  T398] CR2: 00000000004e73d0 CR3: 00000000128f1002 CR4: 0000000000772ef0
[   37.896584][  T398] PKRU: 55555554
[   37.896800][  T398] Call Trace:
[   37.897006][  T398]  <TASK>
[ 37.897158][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.897444][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.897719][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.897997][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.898283][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.898578][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.898865][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.899158][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.899541][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.899819][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.900104][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.900385][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.900668][ 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) 
[ 37.900953][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.901309][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.901589][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.901863][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.902151][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.902428][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.902702][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.902979][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 37.903269][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.903577][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.903853][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.904204][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.904488][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.904768][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.905055][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.905342][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.905617][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.905887][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.906173][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.906447][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.906723][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.906999][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.907289][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.907602][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.907879][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.908193][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.908480][ 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) 
[ 37.908756][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.909033][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.909331][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.909611][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.909890][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.910175][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.910459][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.910739][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.911012][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.911421][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 37.911907][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.912400][ 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) 
[ 37.912754][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.913035][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.913340][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.913624][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.913901][ 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) 
[ 37.914198][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.914496][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 37.914770][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.915119][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.915439][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.915717][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.915996][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.916373][  T398] RIP: 0033:0x7fb152d881e7
[ 37.916662][ 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)
[   37.917672][  T398] RSP: 002b:00007ffe577302c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.918099][  T398] RAX: ffffffffffffffda RBX: 00007ffe577309f0 RCX: 00007fb152d881e7
[   37.918546][  T398] RDX: 0000000000000000 RSI: 00007ffe57730330 RDI: 0000000000000005
[   37.918960][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.919395][  T398] R10: 00007fb152c85ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.919810][  T398] R13: 00000000686e172b R14: 0000000000499600 R15: 0000000000000000
| [   38.040602][  T399] ------------[ cut here ]------------
| [ 38.040928][ T399] WARNING: CPU: 0 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.041583][  T399] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.042512][  T399] Tainted: [W]=WARN
[   38.042725][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.043077][ T399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.043368][ T399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.044369][  T399] RSP: 0018:ffffc90000a07140 EFLAGS: 00010246
[   38.044722][  T399] RAX: 0000000000000000 RBX: ffff8880114c4000 RCX: 0000000000000001
[   38.045152][  T399] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   38.045565][  T399] RBP: ffffc90000a07230 R08: ffff8880102d3800 R09: 0000000000000000
[   38.045976][  T399] R10: ffffc90000a075c8 R11: ffffffffaea50668 R12: 1ffff92000140e2c
[   38.046394][  T399] R13: 00000000000007d0 R14: ffffc90000a07880 R15: ffff8880109a1560
[   38.046809][  T399] FS:  00007ff75fc28800(0000) GS:ffff8880864b7000(0000) knlGS:0000000000000000
[   38.047303][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.047652][  T399] CR2: 00000000004e5ab8 CR3: 00000000105f8004 CR4: 0000000000772ef0
[   38.048070][  T399] PKRU: 55555554
[   38.048279][  T399] Call Trace:
[   38.048498][  T399]  <TASK>
[ 38.048639][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.048929][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.049213][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.049494][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.049768][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.050056][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.050337][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.050618][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.050973][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.051260][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.051534][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.051808][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.052099][ T399] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.052374][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.052713][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.052996][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.053280][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.053557][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.053836][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.054121][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.054395][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 38.054693][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.054980][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.055278][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.055623][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.055903][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.056196][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.056477][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.056759][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.057033][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.057326][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.057599][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.057871][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.058160][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.058449][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.058728][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.059005][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.059290][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.059581][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.059854][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.060140][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.060420][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.060691][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.060971][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.061260][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.061543][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.061841][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.062148][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.062421][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.062775][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 38.063057][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.063332][ T399] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.063679][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.063956][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.064341][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.064837][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.065351][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.065770][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.066065][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 38.066348][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.066689][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.066975][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.067262][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.067538][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.067877][  T399] RIP: 0033:0x7ff75fdf51e7
[ 38.068170][ T399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.069192][  T399] RSP: 002b:00007ffe28b32ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.069608][  T399] RAX: ffffffffffffffda RBX: 00007ffe28b335f0 RCX: 00007ff75fdf51e7
[   38.070018][  T399] RDX: 0000000000000000 RSI: 00007ffe28b32f30 RDI: 0000000000000005
[   38.070444][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.070852][  T399] R10: 00007ff75fcf2ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.071270][  T399] R13: 00000000686e172b R14: 0000000000499600 R15: 0000000000000000
| [   38.184505][  T400] ------------[ cut here ]------------
| [ 38.184910][ 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) 
| [   38.186402][  T400] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.187332][  T400] Tainted: [W]=WARN
[   38.187542][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.187886][ T400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.188188][ T400] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.189191][  T400] RSP: 0018:ffffc90000a17140 EFLAGS: 00010246
[   38.189538][  T400] RAX: 0000000000000000 RBX: ffff888007729000 RCX: 0000000000000001
[   38.189948][  T400] RDX: 0000000000000000 RSI: ffffffffadc9b941 RDI: ffffffffad4555e0
[   38.190372][  T400] RBP: ffffc90000a17230 R08: ffff888010898800 R09: 0000000000000000
[   38.190788][  T400] R10: ffffc90000a175c8 R11: ffffffffaea50668 R12: 1ffff92000142e2c
[   38.191209][  T400] R13: 00000000000007d0 R14: ffffc90000a17880 R15: ffff8880109a34e0
[   38.191621][  T400] FS:  00007f7b1adfa800(0000) GS:ffff888086537000(0000) knlGS:0000000000000000
[   38.192115][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.192465][  T400] CR2: 00000000004e59c0 CR3: 00000000128f1005 CR4: 0000000000772ef0
[   38.192880][  T400] PKRU: 55555554
[   38.193097][  T400] Call Trace:
[   38.193304][  T400]  <TASK>
[ 38.193446][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.193726][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.194032][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.194333][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.194608][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.194885][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.195174][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.195457][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.195815][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.196097][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.196370][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.196645][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.196920][ T400] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.197204][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.197548][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.197837][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.198121][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.198405][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.198691][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.198967][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.199250][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 38.199530][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.199807][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.200096][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.200438][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.200718][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.200997][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.201283][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.201565][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.201840][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.202129][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.202407][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.202687][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.202963][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.203251][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.203532][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.203806][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.204092][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.204385][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.204662][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.204940][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.205226][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.205502][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.205779][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.206069][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.206350][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.206632][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.206910][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.207213][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.207572][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 38.207845][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.208134][ T400] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.208495][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.208775][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.209073][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.209353][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.209627][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.209902][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.210197][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 38.210481][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.210820][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.211118][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.211396][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.211673][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.212015][  T400] RIP: 0033:0x7f7b1afc71e7
[ 38.212311][ T400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.213307][  T400] RSP: 002b:00007ffee735d9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.213726][  T400] RAX: ffffffffffffffda RBX: 00007ffee735e100 RCX: 00007f7b1afc71e7
[   38.214149][  T400] RDX: 0000000000000000 RSI: 00007ffee735da40 RDI: 0000000000000005
[   38.214567][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.214981][  T400] R10: 00007f7b1aec4ee8 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