======================================
| [   22.902926][  T338] ip_gre: GRE over IPv4 tunneling driver
| [   22.956176][  T337] ------------[ cut here ]------------
| [ 22.956728][ T337] WARNING: CPU: 3 PID: 337 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) 
| [   22.957388][  T337] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   22.958428][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.958833][ T337] 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) 
[ 22.959166][ T337] 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
[   22.960295][  T337] RSP: 0018:ffffc900005e7000 EFLAGS: 00010246
[   22.960707][  T337] RAX: 0000000000000000 RBX: ffff88800c6d4000 RCX: 0000000000000001
[   22.961190][  T337] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   22.961667][  T337] RBP: ffffc900005e70e8 R08: ffff88800c6d4218 R09: 0000000000000000
[   22.962148][  T337] R10: ffffc900005e7118 R11: dffffc0000000000 R12: 1ffff920000bce04
[   22.962632][  T337] R13: 00000000000005c0 R14: ffffc900005e7118 R15: ffff88800c6d4218
[   22.963116][  T337] FS:  00007f7e28567800(0000) GS:ffff888079237000(0000) knlGS:0000000000000000
[   22.963663][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.964095][  T337] CR2: 00007f78d46c8000 CR3: 000000000bd77005 CR4: 0000000000772ef0
[   22.964569][  T337] PKRU: 55555554
[   22.964816][  T337] Call Trace:
[   22.965358][  T337]  <TASK>
[ 22.965526][ T337] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.965956][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.966268][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.966640][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 22.966967][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.967294][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.967529][ T337] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.967854][ T337] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.968176][ T337] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.968506][ T337] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.968903][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.969227][ T337] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.969538][ T337] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 22.969857][ T337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.970165][ T337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.970491][ T337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.971509][ T337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.971837][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.972142][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.972454][ T337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.972777][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.973094][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.973415][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.973728][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.974042][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.974359][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.974666][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.974988][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.975298][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.975608][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.975922][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.976242][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.976574][ T337] ? 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) 
[ 22.976903][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.977218][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.977525][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.977841][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.978432][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.978749][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.979081][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.979405][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.979724][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.980115][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 22.980642][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.980957][ T337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 22.981283][ T337] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 22.981534][ T337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 22.981859][ T337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 22.982175][ T337] ? mt_find (lib/maple_tree.c:6938) 
[ 22.982429][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 22.982746][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.983051][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.983604][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.983965][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.984283][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.984598][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.985014][  T337] RIP: 0033:0x7f7e287341e7
[ 22.985367][ T337] Code: Unable to access opcode bytes at 0x7f7e287341bd.

Code starting with the faulting instruction
===========================================
[   22.985787][  T337] RSP: 002b:00007ffe1b469de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.986256][  T337] RAX: ffffffffffffffda RBX: 00007ffe1b46a510 RCX: 00007f7e287341e7
[   22.986745][  T337] RDX: 0000000000000000 RSI: 00007ffe1b469e50 RDI: 0000000000000005
[   22.987446][  T337] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   22.987923][  T337] R10: 00007f7e287c2ac0 R11: 0000000000000246 R12: 00007ffe1b46a530
[   22.988386][  T337] R13: 00000000686e168e R14: 0000000000499600 R15: 00007ffe1b469f34
| [   26.281949][  T373] ------------[ cut here ]------------
| [ 26.282344][ T373] WARNING: CPU: 2 PID: 373 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) 
| [   26.283010][  T373] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   26.284092][  T373] Tainted: [W]=WARN
[   26.284353][  T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.284762][ T373] 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) 
[ 26.285098][ T373] 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
[   26.286232][  T373] RSP: 0018:ffffc90000777000 EFLAGS: 00010246
[   26.286648][  T373] RAX: 0000000000000000 RBX: ffff888008834000 RCX: 0000000000000001
[   26.287217][  T373] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   26.287696][  T373] RBP: ffffc900007770e8 R08: ffff888008834218 R09: 0000000000000000
[   26.288186][  T373] R10: ffffc90000777118 R11: dffffc0000000000 R12: 1ffff920000eee04
[   26.288666][  T373] R13: 00000000000005c0 R14: ffffc90000777118 R15: ffff888008834218
[   26.289159][  T373] FS:  00007fef1f91a800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   26.289814][  T373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.290217][  T373] CR2: 00000000004200f0 CR3: 000000000a995006 CR4: 0000000000772ef0
[   26.290684][  T373] PKRU: 55555554
[   26.290936][  T373] Call Trace:
[   26.291175][  T373]  <TASK>
[ 26.291351][ T373] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.291764][ T373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.292083][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.292415][ T373] netif_set_mtu (net/core/dev.c:9652) 
[ 26.292757][ T373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.293101][ T373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.293353][ T373] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.293674][ T373] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.294008][ T373] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.294330][ T373] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.294728][ T373] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.295054][ T373] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.295372][ T373] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 26.295697][ T373] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.296020][ T373] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.296336][ T373] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.296679][ T373] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.297013][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.297328][ T373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.297652][ T373] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.297997][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.298327][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.298652][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.298975][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.299292][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.299609][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.299946][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.300271][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.300595][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.300927][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.301244][ T373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.301572][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.301895][ T373] ? 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) 
[ 26.302215][ T373] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.302533][ T373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.302863][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.303185][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.303502][ T373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.303827][ T373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.304150][ T373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.304472][ T373] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.304791][ T373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.305202][ T373] ___sys_sendmsg (net/socket.c:2670) 
[ 26.305523][ T373] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.305847][ T373] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 26.306168][ T373] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 26.306418][ T373] ? __handle_mm_fault (mm/memory.c:6212) 
[ 26.306753][ T373] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 26.307068][ T373] ? mt_find (lib/maple_tree.c:6938) 
[ 26.307331][ T373] __sys_sendmsg (net/socket.c:2700) 
[ 26.307647][ T373] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.307967][ T373] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.308296][ T373] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.308610][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.308938][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.309266][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.309670][  T373] RIP: 0033:0x7fef1fae71e7
[ 26.310006][ T373] 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)
[   26.311107][  T373] RSP: 002b:00007ffd6b181ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.311585][  T373] RAX: ffffffffffffffda RBX: 00007ffd6b1825f0 RCX: 00007fef1fae71e7
[   26.312059][  T373] RDX: 0000000000000000 RSI: 00007ffd6b181f30 RDI: 0000000000000005
[   26.312525][  T373] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   26.312997][  T373] R10: 00007fef1fb75ac0 R11: 0000000000000246 R12: 00007ffd6b182610
[   26.313461][  T373] R13: 00000000686e1692 R14: 0000000000499600 R15: 00007ffd6b182014
| [   35.895799][  T418] ------------[ cut here ]------------
| [ 35.896288][ T418] WARNING: CPU: 2 PID: 418 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) 
| [   35.896898][  T418] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.897969][  T418] Tainted: [W]=WARN
[   35.898195][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.898560][ T418] 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) 
[ 35.898879][ T418] 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
[   35.899893][  T418] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   35.900257][  T418] RAX: 0000000000000000 RBX: ffff888007761000 RCX: 0000000000000001
[   35.900688][  T418] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   35.901123][  T418] RBP: ffffc90000997230 R08: ffff88800a653800 R09: 0000000000000000
[   35.901547][  T418] R10: ffffc900009975c8 R11: ffffffffbbe50668 R12: 1ffff92000132e2c
[   35.902302][  T418] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800c66f160
[   35.902758][  T418] FS:  00007ff0ee9bd800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   35.903256][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.903617][  T418] CR2: 00000000004e5aa0 CR3: 00000000098b4001 CR4: 0000000000772ef0
[   35.904245][  T418] PKRU: 55555554
[   35.904592][  T418] Call Trace:
[   35.904972][  T418]  <TASK>
[ 35.905168][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.905465][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.905773][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.906066][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.906353][ T418] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.906673][ T418] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.907034][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.907338][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.907705][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.908010][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.908303][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.908594][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.908913][ T418] ? __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) 
[ 35.909202][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.909603][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.909915][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.910205][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.910536][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.910857][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.911155][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.911440][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 35.911762][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.912054][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.912348][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.912702][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.913021][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.913318][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.913608][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.913919][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.914208][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.914495][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.914812][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.915097][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.915393][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.915683][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.916006][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.916295][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.916598][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.916912][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.917201][ T418] ? 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) 
[ 35.917497][ T418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.917800][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.918101][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.918398][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.918691][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.919009][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.919310][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.919610][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.919907][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.920275][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 35.920558][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.920868][ T418] ? __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) 
[ 35.921225][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.921514][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.921824][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.922120][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.922403][ T418] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.922695][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.923013][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 35.923308][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.923662][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.923980][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.924272][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.924563][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.924924][  T418] RIP: 0033:0x7ff0eeb8a1e7
[ 35.925226][ T418] 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)
[   35.926230][  T418] RSP: 002b:00007ffe4db0be68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.926678][  T418] RAX: ffffffffffffffda RBX: 00007ffe4db0c590 RCX: 00007ff0eeb8a1e7
[   35.927153][  T418] RDX: 0000000000000000 RSI: 00007ffe4db0bed0 RDI: 0000000000000005
[   35.927580][  T418] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.928026][  T418] R10: 00007ff0eea87ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.928451][  T418] R13: 00000000686e169b R14: 0000000000499600 R15: 0000000000000000
| [   36.033406][  T419] ------------[ cut here ]------------
| [ 36.033741][ T419] WARNING: CPU: 0 PID: 419 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) 
| [   36.034295][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.035236][  T419] Tainted: [W]=WARN
[   36.035442][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.035804][ T419] 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) 
[ 36.036090][ T419] 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
[   36.038565][  T419] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   36.038927][  T419] RAX: 0000000000000000 RBX: ffff888009251000 RCX: 0000000000000001
[   36.039339][  T419] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.039766][  T419] RBP: ffffc90000997230 R08: ffff88800aa63800 R09: 0000000000000000
[   36.040184][  T419] R10: ffffc900009975c8 R11: ffffffffbbe50668 R12: 1ffff92000132e2c
[   36.040588][  T419] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800c66fbe0
[   36.041010][  T419] FS:  00007f4a1572e800(0000) GS:ffff8880790b7000(0000) knlGS:0000000000000000
[   36.041488][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.041843][  T419] CR2: 00000000004e5aa8 CR3: 000000000bcc9004 CR4: 0000000000772ef0
[   36.042255][  T419] PKRU: 55555554
[   36.042458][  T419] Call Trace:
[   36.042663][  T419]  <TASK>
[ 36.042811][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.043099][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.043374][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.043656][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.043950][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.044326][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.044608][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.044899][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.045249][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.045525][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.045811][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.046089][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.046366][ T419] ? __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) 
[ 36.046656][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.047004][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.047280][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.047553][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.047852][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.048136][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.048415][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.048689][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 36.048977][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.049256][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.049530][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.049885][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.050170][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.050452][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.050740][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.051027][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.051307][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.051581][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.051876][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.052158][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.052434][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.052723][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.053004][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.053290][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.053566][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.053858][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.054145][ T419] ? 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) 
[ 36.054422][ T419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.054705][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.054987][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.055270][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.055550][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.055846][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.056131][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.056414][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.056702][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.057066][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 36.057338][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.057608][ T419] ? __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) 
[ 36.057961][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.058245][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.058519][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.058805][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.059078][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.059350][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.059632][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 36.059944][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.060285][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.060575][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.060858][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.061135][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.061475][  T419] RIP: 0033:0x7f4a158fb1e7
[ 36.061768][ T419] 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)
[   36.062763][  T419] RSP: 002b:00007ffdcf33d478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.063177][  T419] RAX: ffffffffffffffda RBX: 00007ffdcf33dba0 RCX: 00007f4a158fb1e7
[   36.063588][  T419] RDX: 0000000000000000 RSI: 00007ffdcf33d4e0 RDI: 0000000000000005
[   36.064018][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.064434][  T419] R10: 00007f4a157f8ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.064852][  T419] R13: 00000000686e169b R14: 0000000000499600 R15: 0000000000000000
| [   36.193846][  T420] ------------[ cut here ]------------
| [ 36.194196][ T420] WARNING: CPU: 2 PID: 420 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) 
| [   36.194764][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.195802][  T420] Tainted: [W]=WARN
[   36.196041][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.196394][ T420] 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) 
[ 36.196837][ T420] 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
[   36.197896][  T420] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   36.198298][  T420] RAX: 0000000000000000 RBX: ffff88800c6d4000 RCX: 0000000000000001
[   36.198757][  T420] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.199190][  T420] RBP: ffffc90000997230 R08: ffff88800a62a000 R09: 0000000000000000
[   36.199615][  T420] R10: ffffc900009975c8 R11: ffffffffbbe50668 R12: 1ffff92000132e2c
[   36.200062][  T420] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800c66d8e0
[   36.200489][  T420] FS:  00007fc743a9b800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   36.201006][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.201369][  T420] CR2: 00000000004e73d0 CR3: 00000000098b4003 CR4: 0000000000772ef0
[   36.201809][  T420] PKRU: 55555554
[   36.202027][  T420] Call Trace:
[   36.202243][  T420]  <TASK>
[ 36.202399][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.202697][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.203003][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.203298][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.203585][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.203896][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.204193][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.204493][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.204872][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.205168][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.205465][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.205763][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.206053][ T420] ? __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) 
[ 36.206338][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.206703][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.207002][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.207296][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.207581][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.207894][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.208187][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.208471][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 36.208774][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.209063][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.209354][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.209709][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.210015][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.210308][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.210592][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.210899][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.211192][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.211475][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.211788][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.212077][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.212364][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.212655][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.212964][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.213256][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.213626][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.213958][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.214247][ T420] ? 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) 
[ 36.214537][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.214850][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.215158][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.215452][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.215787][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.216084][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.216378][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.216687][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.216991][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.217356][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 36.217639][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.217937][ T420] ? __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) 
[ 36.218298][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.218588][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.218888][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.219181][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.219470][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.219778][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.220084][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 36.220378][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.220763][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.221065][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.221356][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.221645][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.222005][  T420] RIP: 0033:0x7fc743c681e7
[ 36.222321][ T420] 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)
[   36.223330][  T420] RSP: 002b:00007ffcea0c2ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.223780][  T420] RAX: ffffffffffffffda RBX: 00007ffcea0c3200 RCX: 00007fc743c681e7
[   36.224207][  T420] RDX: 0000000000000000 RSI: 00007ffcea0c2b40 RDI: 0000000000000005
[   36.224645][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.225082][  T420] R10: 00007fc743b65ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.225509][  T420] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   36.345067][  T421] ------------[ cut here ]------------
| [ 36.345392][ T421] WARNING: CPU: 0 PID: 421 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) 
| [   36.345953][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.347843][  T421] Tainted: [W]=WARN
[   36.348054][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.348396][ T421] 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) 
[ 36.348680][ T421] 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
[   36.349666][  T421] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   36.350025][  T421] RAX: 0000000000000000 RBX: ffff88800a7b1000 RCX: 0000000000000001
[   36.350433][  T421] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.350858][  T421] RBP: ffffc90000997230 R08: ffff88800afe5000 R09: 0000000000000000
[   36.351272][  T421] R10: ffffc900009975c8 R11: ffffffffbbe50668 R12: 1ffff92000132e2c
[   36.351683][  T421] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800c66c760
[   36.352101][  T421] FS:  00007ff75a9f1800(0000) GS:ffff8880790b7000(0000) knlGS:0000000000000000
[   36.352587][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.352942][  T421] CR2: 00000000004e5ab0 CR3: 000000000bcc9006 CR4: 0000000000772ef0
[   36.353355][  T421] PKRU: 55555554
[   36.353560][  T421] Call Trace:
[   36.353775][  T421]  <TASK>
[ 36.353918][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.354201][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.354477][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.354763][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.355041][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.355318][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.355594][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.355880][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.356235][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.356517][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.356796][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.357073][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.357348][ T421] ? __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) 
[ 36.357621][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.357970][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.358253][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.358524][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.358811][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.359086][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.359360][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.359630][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 36.359917][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.360191][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.360467][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.360813][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.361093][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.361370][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.361640][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.361929][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.362203][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.362474][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.362768][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.363041][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.363315][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.363590][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.363878][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.364160][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.364434][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.364740][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.365014][ T421] ? 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) 
[ 36.365289][ T421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.365565][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.365846][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.366126][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.366402][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.366692][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.366985][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.367266][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.367538][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.367898][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 36.368170][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.368443][ T421] ? __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) 
[ 36.368804][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.369081][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.369357][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.369638][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.369942][ T421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.370235][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.370516][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 36.370796][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.371151][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.371438][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.371731][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.372009][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.372349][  T421] RIP: 0033:0x7ff75abbe1e7
[ 36.372641][ T421] 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)
[   36.373634][  T421] RSP: 002b:00007ffc2986db48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.374069][  T421] RAX: ffffffffffffffda RBX: 00007ffc2986e270 RCX: 00007ff75abbe1e7
[   36.374480][  T421] RDX: 0000000000000000 RSI: 00007ffc2986dbb0 RDI: 0000000000000005
[   36.374901][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.375311][  T421] R10: 00007ff75aabbee8 R11: 0000000000000246 R12: 0000000000000004
[   36.375734][  T421] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   36.492174][  T422] ------------[ cut here ]------------
| [ 36.492527][ T422] WARNING: CPU: 2 PID: 422 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) 
| [   36.493114][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.494425][  T422] Tainted: [W]=WARN
[   36.494646][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.495015][ T422] 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) 
[ 36.495318][ T422] 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
[   36.497267][  T422] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   36.497649][  T422] RAX: 0000000000000000 RBX: ffff888007f91000 RCX: 0000000000000001
[   36.498087][  T422] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.498518][  T422] RBP: ffffc90000997230 R08: ffff88800a6e8800 R09: 0000000000000000
[   36.498956][  T422] R10: ffffc900009975c8 R11: ffffffffbbe50668 R12: 1ffff92000132e2c
[   36.499404][  T422] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800c66cae0
[   36.499845][  T422] FS:  00007fa4f1609800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   36.500340][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.500705][  T422] CR2: 00000000004e55b8 CR3: 00000000098b4005 CR4: 0000000000772ef0
[   36.501138][  T422] PKRU: 55555554
[   36.501360][  T422] Call Trace:
[   36.501578][  T422]  <TASK>
[ 36.501743][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.502050][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.502357][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.502656][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.502961][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.503253][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.503542][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.503847][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.504211][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.504500][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.504805][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.505094][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.505385][ T422] ? __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) 
[ 36.505673][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.506041][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.506332][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.506630][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.506935][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.507222][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.507510][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.507812][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 36.508102][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.508416][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.508705][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.509075][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.509371][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.509663][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.509957][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.510251][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.510537][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.510844][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.511138][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.511432][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.511731][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.512021][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.512312][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.512597][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.512895][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.513192][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.513480][ T422] ? 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) 
[ 36.513778][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.514068][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.514355][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.514649][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.514953][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.515241][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.515538][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.515847][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.516134][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.516511][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 36.516805][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.517093][ T422] ? __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) 
[ 36.517452][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.517756][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.518049][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.518338][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.518624][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.518940][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.519237][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 36.519519][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.519881][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.520184][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.520472][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.520768][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.521121][  T422] RIP: 0033:0x7fa4f17d61e7
[ 36.521417][ T422] 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)
[   36.522423][  T422] RSP: 002b:00007ffd916d2918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.522863][  T422] RAX: ffffffffffffffda RBX: 00007ffd916d3040 RCX: 00007fa4f17d61e7
[   36.523291][  T422] RDX: 0000000000000000 RSI: 00007ffd916d2980 RDI: 0000000000000005
[   36.523725][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.524158][  T422] R10: 00007fa4f16d3ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.524578][  T422] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   36.633926][  T423] ------------[ cut here ]------------
| [ 36.634241][ T423] WARNING: CPU: 3 PID: 423 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) 
| [   36.634841][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.635781][  T423] Tainted: [W]=WARN
[   36.635991][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.636332][ T423] 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) 
[ 36.636635][ T423] 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
[   36.637628][  T423] RSP: 0018:ffffc90000557140 EFLAGS: 00010246
[   36.637983][  T423] RAX: 0000000000000000 RBX: ffff8880095c9000 RCX: 0000000000000001
[   36.638404][  T423] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.639065][  T423] RBP: ffffc90000557230 R08: ffff888004b8d000 R09: 0000000000000000
[   36.639477][  T423] R10: ffffc900005575c8 R11: ffffffffbbe50668 R12: 1ffff920000aae2c
[   36.640018][  T423] R13: 00000000000007d0 R14: ffffc90000557880 R15: ffff88800c66dc60
[   36.640428][  T423] FS:  00007faa67ced800(0000) GS:ffff888079237000(0000) knlGS:0000000000000000
[   36.640917][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.641267][  T423] CR2: 00000000004e5ac8 CR3: 000000000bcc9004 CR4: 0000000000772ef0
[   36.641684][  T423] PKRU: 55555554
[   36.641898][  T423] Call Trace:
[   36.642113][  T423]  <TASK>
[ 36.642254][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.642570][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.642864][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.643154][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.643429][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.643707][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.643996][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.644275][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.644619][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.644915][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.645188][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.645464][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.645748][ T423] ? __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) 
[ 36.646028][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.646529][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.646901][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.647184][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.647481][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.647775][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.648053][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.648324][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 36.648611][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.648895][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.649170][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.649534][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.649825][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.650106][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.650393][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.650865][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.651327][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.651679][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.651970][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.652287][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.652763][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.653241][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.653749][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.654238][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.654758][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.655282][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.655799][ T423] ? 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) 
[ 36.656307][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.656836][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.657329][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.657844][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.658340][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.658821][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.659208][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.659525][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.659814][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.660168][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 36.660494][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.660845][ T423] ? __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) 
[ 36.661188][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.661479][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.661768][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.662057][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.662334][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.662623][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.662920][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 36.663202][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.663595][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.663906][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.664196][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.664494][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.664863][  T423] RIP: 0033:0x7faa67eba1e7
[ 36.665160][ T423] 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)
[   36.666193][  T423] RSP: 002b:00007fff743bbea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.666657][  T423] RAX: ffffffffffffffda RBX: 00007fff743bc5d0 RCX: 00007faa67eba1e7
[   36.667123][  T423] RDX: 0000000000000000 RSI: 00007fff743bbf10 RDI: 0000000000000005
[   36.667573][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.668005][  T423] R10: 00007faa67db7ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.668484][  T423] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   36.782097][  T424] ------------[ cut here ]------------
| [ 36.782453][ T424] WARNING: CPU: 2 PID: 424 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) 
| [   36.783044][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.784476][  T424] Tainted: [W]=WARN
[   36.784708][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.785084][ T424] 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) 
[ 36.785394][ T424] 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
[   36.786399][  T424] RSP: 0018:ffffc90000547140 EFLAGS: 00010246
[   36.786787][  T424] RAX: 0000000000000000 RBX: ffff88800a531000 RCX: 0000000000000001
[   36.787216][  T424] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.787639][  T424] RBP: ffffc90000547230 R08: ffff88800c12a000 R09: 0000000000000000
[   36.788073][  T424] R10: ffffc900005475c8 R11: ffffffffbbe50668 R12: 1ffff920000a8e2c
[   36.788494][  T424] R13: 00000000000007d0 R14: ffffc90000547880 R15: ffff888009ea1fe0
[   36.788943][  T424] FS:  00007f95b7927800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   36.789444][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.789815][  T424] CR2: 00000000004e5ac0 CR3: 000000000bcc9001 CR4: 0000000000772ef0
[   36.790249][  T424] PKRU: 55555554
[   36.790468][  T424] Call Trace:
[   36.790692][  T424]  <TASK>
[ 36.790856][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.791157][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.791450][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.791758][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.792051][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.792343][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.792642][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.792955][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.793320][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.793608][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.793911][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.794201][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.794494][ T424] ? __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) 
[ 36.794794][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.795159][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.795449][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.795749][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.796038][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.796341][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.796644][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.796945][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 36.797240][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.797535][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.797832][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.798187][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.798480][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.798789][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.799077][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.799377][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.799666][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.799976][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.800272][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.800591][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.800896][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.801188][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.801480][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.801783][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.802078][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.802380][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.802673][ T424] ? 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) 
[ 36.802973][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.803270][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.803555][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.803862][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.804162][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.804455][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.804760][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.805053][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.805342][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.805709][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 36.806008][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.806308][ T424] ? __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) 
[ 36.806684][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.806993][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.807287][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.807581][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.807896][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.808192][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.808502][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 36.808804][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.809161][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.809463][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.809762][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.810056][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.810408][  T424] RIP: 0033:0x7f95b7af41e7
[ 36.810710][ T424] 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)
[   36.811729][  T424] RSP: 002b:00007ffc44ce09f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.812160][  T424] RAX: ffffffffffffffda RBX: 00007ffc44ce1120 RCX: 00007f95b7af41e7
[   36.812591][  T424] RDX: 0000000000000000 RSI: 00007ffc44ce0a60 RDI: 0000000000000005
[   36.813033][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.813458][  T424] R10: 00007f95b79f1ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.813892][  T424] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   36.936987][  T425] ------------[ cut here ]------------
| [ 36.937354][ T425] WARNING: CPU: 2 PID: 425 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) 
| [   36.938383][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.939355][  T425] Tainted: [W]=WARN
[   36.939576][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.939944][ T425] 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) 
[ 36.940252][ T425] 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
[   36.941267][  T425] RSP: 0018:ffffc90000a67140 EFLAGS: 00010246
[   36.941631][  T425] RAX: 0000000000000000 RBX: ffff888008834000 RCX: 0000000000000001
[   36.942087][  T425] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   36.942526][  T425] RBP: ffffc90000a67230 R08: ffff88800c6a3800 R09: 0000000000000000
[   36.942960][  T425] R10: ffffc90000a675c8 R11: ffffffffbbe50668 R12: 1ffff9200014ce2c
[   36.943390][  T425] R13: 00000000000007d0 R14: ffffc90000a67880 R15: ffff888009ea2360
[   36.943823][  T425] FS:  00007f78183a3800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   36.944326][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.944685][  T425] CR2: 00000000004e73f8 CR3: 0000000007c93002 CR4: 0000000000772ef0
[   36.945119][  T425] PKRU: 55555554
[   36.945340][  T425] Call Trace:
[   36.945562][  T425]  <TASK>
[ 36.945725][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.946031][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.946331][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.946635][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.947067][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.947482][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.947900][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.948198][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.948573][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.948875][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.949166][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.949458][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.949765][ T425] ? __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) 
[ 36.950054][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.950411][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.950712][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.951037][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.951328][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.951616][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.951919][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.952210][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 36.952506][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.952803][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.953096][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.953450][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.953766][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.954061][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.954346][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.954642][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.954944][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.955235][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.955526][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.955819][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.956113][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.956402][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.956706][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.957011][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.957301][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.957607][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.957914][ T425] ? 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) 
[ 36.958211][ T425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.958502][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.958796][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.959093][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.959386][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.959686][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.959995][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.960297][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.960583][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.960962][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 36.961248][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.961533][ T425] ? __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) 
[ 36.961910][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.962210][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.962494][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.962818][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.963111][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.963395][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.963680][ T425] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 36.964002][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 36.964289][ T425] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 36.964640][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.964951][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.965248][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.965538][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.965907][  T425] RIP: 0033:0x7f78185701e7
[ 36.966223][ T425] 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)
[   36.967241][  T425] RSP: 002b:00007fff8d0aec98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.967670][  T425] RAX: ffffffffffffffda RBX: 00007fff8d0af3c0 RCX: 00007f78185701e7
[   36.968113][  T425] RDX: 0000000000000000 RSI: 00007fff8d0aed00 RDI: 0000000000000005
[   36.968536][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.968977][  T425] R10: 00007f781846dee8 R11: 0000000000000246 R12: 0000000000000004
[   36.969401][  T425] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   37.102917][  T426] ------------[ cut here ]------------
| [ 37.103260][ T426] WARNING: CPU: 3 PID: 426 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) 
| [   37.103880][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.104873][  T426] Tainted: [W]=WARN
[   37.105085][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.105439][ T426] 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) 
[ 37.105743][ T426] 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
[   37.106769][  T426] RSP: 0018:ffffc90000a77140 EFLAGS: 00010246
[   37.107132][  T426] RAX: 0000000000000000 RBX: ffff88800a7b4000 RCX: 0000000000000001
[   37.107577][  T426] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   37.107998][  T426] RBP: ffffc90000a77230 R08: ffff88800afe6800 R09: 0000000000000000
[   37.108420][  T426] R10: ffffc90000a775c8 R11: ffffffffbbe50668 R12: 1ffff9200014ee2c
[   37.108995][  T426] R13: 00000000000007d0 R14: ffffc90000a77880 R15: ffff888009ea26e0
[   37.109505][  T426] FS:  00007fec8cea5800(0000) GS:ffff888079237000(0000) knlGS:0000000000000000
[   37.110161][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.110511][  T426] CR2: 00000000004e5ab8 CR3: 000000000a603005 CR4: 0000000000772ef0
[   37.111042][  T426] PKRU: 55555554
[   37.111250][  T426] Call Trace:
[   37.111485][  T426]  <TASK>
[ 37.111627][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.111920][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.112197][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.112476][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.112774][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.113064][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.113344][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.113624][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.113984][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.114259][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.114530][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.114820][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.115096][ T426] ? __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) 
[ 37.115371][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.115746][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.116024][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.116303][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.116601][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.116897][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.117173][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.117472][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 37.117767][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.118046][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.118320][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.118662][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.118953][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.119239][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.119514][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.119804][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.120081][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.120352][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.120628][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.120915][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.121190][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.121499][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.121790][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.122066][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.122339][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.122624][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.122905][ T426] ? 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) 
[ 37.123188][ T426] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.123466][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.123745][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.124027][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.124305][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.124580][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.124875][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.125156][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.125464][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.125846][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 37.126117][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.126395][ T426] ? __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) 
[ 37.126769][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.127048][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.127324][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.127611][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.127897][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.128296][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.128589][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 37.128873][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.129217][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.129529][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.129824][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.130100][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.130437][  T426] RIP: 0033:0x7fec8d0721e7
[ 37.130735][ T426] 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)
[   37.131725][  T426] RSP: 002b:00007fffa51caa08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.132140][  T426] RAX: ffffffffffffffda RBX: 00007fffa51cb130 RCX: 00007fec8d0721e7
[   37.132548][  T426] RDX: 0000000000000000 RSI: 00007fffa51caa70 RDI: 0000000000000005
[   37.132965][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.133378][  T426] R10: 00007fec8cf6fee8 R11: 0000000000000246 R12: 0000000000000004
[   37.133845][  T426] R13: 00000000686e169c R14: 0000000000499600 R15: 0000000000000000
| [   37.241006][  T427] ------------[ cut here ]------------
| [ 37.241366][ T427] WARNING: CPU: 2 PID: 427 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) 
| [   37.241982][  T427] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.243091][  T427] Tainted: [W]=WARN
[   37.243314][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.243686][ T427] 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) 
[ 37.243999][ T427] 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
[   37.245011][  T427] RSP: 0018:ffffc90000a97140 EFLAGS: 00010246
[   37.245381][  T427] RAX: 0000000000000000 RBX: ffff88800add4000 RCX: 0000000000000001
[   37.245815][  T427] RDX: 0000000000000000 RSI: ffffffffbb09b941 RDI: ffffffffba8555e0
[   37.246239][  T427] RBP: ffffc90000a97230 R08: ffff88800ab13800 R09: 0000000000000000
[   37.246684][  T427] R10: ffffc90000a975c8 R11: ffffffffbbe50668 R12: 1ffff92000152e2c
[   37.248413][  T427] R13: 00000000000007d0 R14: ffffc90000a97880 R15: ffff888009ea0760
[   37.248876][  T427] FS:  00007f2506cc4800(0000) GS:ffff8880791b7000(0000) knlGS:0000000000000000
[   37.249388][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.249767][  T427] CR2: 00000000004e59c0 CR3: 0000000007c93004 CR4: 0000000000772ef0
[   37.250195][  T427] PKRU: 55555554
[   37.250419][  T427] Call Trace:
[   37.250646][  T427]  <TASK>
[ 37.250813][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.251116][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.251403][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.251711][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.252043][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.252340][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.252650][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.252978][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.253355][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.253659][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.253984][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.254282][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.254588][ T427] ? __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) 
[ 37.254905][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.255258][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.255548][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.255846][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.256143][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.256458][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.256763][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.257048][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 37.257342][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.257631][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.257942][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.258310][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.258613][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.258940][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.259229][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.259533][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.259837][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.260124][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.260412][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.260697][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.261001][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.261290][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.261579][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.261878][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.262165][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.262463][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.262756][ T427] ? 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) 
[ 37.263052][ T427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.263363][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.263650][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.263973][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.264265][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.264552][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.264865][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.265163][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.265462][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.265838][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 37.266142][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.266449][ T427] ? __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) 
[ 37.266818][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.267122][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.267421][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.267729][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.268041][ T427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.268326][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.268619][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 37.268918][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.269287][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.269609][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.269913][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.270213][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.270566][  T427] RIP: 0033:0x7f2506e911e7
[ 37.270895][ T427] 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)
[   37.271920][  T427] RSP: 002b:00007ffc1e08eaf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.272365][  T427] RAX: ffffffffffffffda RBX: 00007ffc1e08f220 RCX: 00007f2506e911e7
[   37.272802][  T427] RDX: 0000000000000000 RSI: 00007ffc1e08eb60 RDI: 0000000000000005
[   37.273222][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.273669][  T427] R10: 00007f2506d8eee8 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