======================================
| [   23.541753][  T338] ip_gre: GRE over IPv4 tunneling driver
| [   23.603903][  T337] ------------[ cut here ]------------
| [ 23.604448][ T337] WARNING: CPU: 0 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) 
| [   23.605161][  T337] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   23.606261][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.606714][ 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) 
[ 23.607067][ T337] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.608272][  T337] RSP: 0018:ffffc900004f7000 EFLAGS: 00010246
[   23.608713][  T337] RAX: 0000000000000000 RBX: ffff88800b08c000 RCX: 0000000000000001
[   23.609223][  T337] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   23.610027][  T337] RBP: ffffc900004f70e8 R08: ffff88800b08c218 R09: 0000000000000000
[   23.610529][  T337] R10: ffffc900004f7118 R11: dffffc0000000000 R12: 1ffff9200009ee04
[   23.611058][  T337] R13: 00000000000005c0 R14: ffffc900004f7118 R15: ffff88800b08c218
[   23.611560][  T337] FS:  00007fdd6bbd9800(0000) GS:ffff8880900b7000(0000) knlGS:0000000000000000
[   23.612169][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.612593][  T337] CR2: 00007f6fea65d530 CR3: 0000000004de3002 CR4: 0000000000772ef0
[   23.613124][  T337] PKRU: 55555554
[   23.613377][  T337] Call Trace:
[   23.613635][  T337]  <TASK>
[ 23.613837][ T337] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.614278][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.614616][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.614971][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 23.615306][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.615652][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.615914][ T337] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.616251][ T337] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.616592][ T337] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.616938][ T337] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.617356][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.617704][ T337] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.618033][ T337] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 23.618367][ T337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.618710][ T337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.619049][ T337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.619394][ T337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.619744][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.620070][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.620416][ T337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.620764][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.621107][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.621989][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.622547][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.622897][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.623455][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.624032][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.624591][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.624937][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.625280][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.625614][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.626129][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.626470][ 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) 
[ 23.626884][ T337] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.627230][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.627568][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.627914][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.628252][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.628584][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.628941][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.629282][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.629611][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.630055][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 23.630390][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.630731][ T337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.631075][ T337] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.631345][ T337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.631705][ T337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.632076][ T337] ? mt_find (lib/maple_tree.c:6938) 
[ 23.632342][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 23.632667][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.633010][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.633363][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.633713][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.634053][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.634392][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.634812][  T337] RIP: 0033:0x7fdd6bda61e7
[ 23.635176][ T337] Code: Unable to access opcode bytes at 0x7fdd6bda61bd.

Code starting with the faulting instruction
===========================================
[   23.635614][  T337] RSP: 002b:00007fffde3b5c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.636133][  T337] RAX: ffffffffffffffda RBX: 00007fffde3b6370 RCX: 00007fdd6bda61e7
[   23.636632][  T337] RDX: 0000000000000000 RSI: 00007fffde3b5cb0 RDI: 0000000000000005
[   23.637151][  T337] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   23.637645][  T337] R10: 00007fdd6be34ac0 R11: 0000000000000246 R12: 00007fffde3b6390
[   23.638156][  T337] R13: 00000000686e69ff R14: 0000000000499600 R15: 00007fffde3b5d94
| [   26.855131][  T373] ------------[ cut here ]------------
| [ 26.855495][ T373] WARNING: CPU: 3 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) 
| [   26.856123][  T373] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   26.857377][  T373] Tainted: [W]=WARN
[   26.857631][  T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.858052][ 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) 
[ 26.858377][ T373] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   26.859502][  T373] RSP: 0018:ffffc90000657000 EFLAGS: 00010246
[   26.859908][  T373] RAX: 0000000000000000 RBX: ffff888008b8c000 RCX: 0000000000000001
[   26.860371][  T373] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   26.860847][  T373] RBP: ffffc900006570e8 R08: ffff888008b8c218 R09: 0000000000000000
[   26.861309][  T373] R10: ffffc90000657118 R11: dffffc0000000000 R12: 1ffff920000cae04
[   26.861798][  T373] R13: 00000000000005c0 R14: ffffc90000657118 R15: ffff888008b8c218
[   26.862267][  T373] FS:  00007fcb98df2800(0000) GS:ffff888090237000(0000) knlGS:0000000000000000
[   26.862818][  T373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.863220][  T373] CR2: 00000000004200f0 CR3: 000000000eac8004 CR4: 0000000000772ef0
[   26.863698][  T373] PKRU: 55555554
[   26.863940][  T373] Call Trace:
[   26.864177][  T373]  <TASK>
[ 26.864337][ T373] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.864743][ T373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.865058][ T373] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.865385][ T373] netif_set_mtu (net/core/dev.c:9652) 
[ 26.865711][ T373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.866049][ T373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.866283][ T373] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.866596][ T373] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.866924][ T373] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.867244][ T373] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.867628][ T373] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.867967][ T373] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.868285][ T373] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 26.868595][ T373] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.868907][ T373] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.869219][ T373] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.869539][ T373] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.869891][ T373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.870200][ T373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.870513][ T373] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.870867][ T373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.871179][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.871497][ T373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.871825][ T373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.872134][ T373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.872442][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.872773][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.873095][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.873412][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.873728][ T373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.874043][ T373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.874359][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.874667][ 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) 
[ 26.874988][ T373] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.875303][ T373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.875606][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.875935][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.876248][ T373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.876559][ T373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.876886][ T373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.877200][ T373] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.877509][ T373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.877918][ T373] ___sys_sendmsg (net/socket.c:2670) 
[ 26.878229][ T373] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.878540][ T373] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 26.878868][ T373] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 26.879106][ T373] ? __handle_mm_fault (mm/memory.c:6212) 
[ 26.879412][ T373] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 26.879736][ T373] ? mt_find (lib/maple_tree.c:6938) 
[ 26.879988][ T373] __sys_sendmsg (net/socket.c:2700) 
[ 26.880297][ T373] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.880601][ T373] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.880927][ T373] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.881241][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.881555][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.881895][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.882285][  T373] RIP: 0033:0x7fcb98fbf1e7
[ 26.882608][ 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)
[   26.883722][  T373] RSP: 002b:00007ffcdb61c5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.884195][  T373] RAX: ffffffffffffffda RBX: 00007ffcdb61ccf0 RCX: 00007fcb98fbf1e7
[   26.884656][  T373] RDX: 0000000000000000 RSI: 00007ffcdb61c630 RDI: 0000000000000005
[   26.885128][  T373] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   26.885624][  T373] R10: 00007fcb9904dac0 R11: 0000000000000246 R12: 00007ffcdb61cd10
[   26.886109][  T373] R13: 00000000686e6a02 R14: 0000000000499600 R15: 00007ffcdb61c714
| [   36.432015][  T418] ------------[ cut here ]------------
| [ 36.432474][ T418] WARNING: CPU: 3 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) 
| [   36.433054][  T418] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.434047][  T418] Tainted: [W]=WARN
[   36.434263][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.434612][ 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) 
[ 36.434914][ T418] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   36.435912][  T418] RSP: 0018:ffffc90000a17140 EFLAGS: 00010246
[   36.436273][  T418] RAX: 0000000000000000 RBX: ffff888001ff4000 RCX: 0000000000000001
[   36.436699][  T418] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   36.437120][  T418] RBP: ffffc90000a17230 R08: ffff88800a113800 R09: 0000000000000000
[   36.437547][  T418] R10: ffffc90000a175c8 R11: ffffffffa4e50668 R12: 1ffff92000142e2c
[   36.437971][  T418] R13: 00000000000007d0 R14: ffffc90000a17880 R15: ffff888004cfe6e0
[   36.438385][  T418] FS:  00007f6e158fa800(0000) GS:ffff888090237000(0000) knlGS:0000000000000000
[   36.438880][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.439233][  T418] CR2: 00000000004e5aa0 CR3: 000000000b1a2002 CR4: 0000000000772ef0
[   36.439654][  T418] PKRU: 55555554
[   36.440184][  T418] Call Trace:
[   36.440395][  T418]  <TASK>
[ 36.440538][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.440834][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.441114][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.441405][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.441695][ T418] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.441993][ T418] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.442276][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.442562][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.442938][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.443218][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.443491][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.443782][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.444063][ 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) 
[ 36.444339][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.444741][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.445041][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.445335][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.445628][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.445939][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.446218][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.446496][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 36.446796][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.447083][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.447365][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.447768][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.448054][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.448344][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.448627][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.448926][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.449207][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.449480][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.449776][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.450066][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.450346][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.450627][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.450922][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.451200][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.451506][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.451826][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.452109][ 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) 
[ 36.452384][ T418] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.452664][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.452951][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.453233][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.453515][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.453804][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.454100][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.454385][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.454662][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.455029][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 36.455316][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.455600][ 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) 
[ 36.455974][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.456289][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.456587][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.456894][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.457187][ 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) 
[ 36.457481][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.457791][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 36.458080][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.458443][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.458757][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.459050][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.459343][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.459709][  T418] RIP: 0033:0x7f6e15ac71e7
[ 36.459996][ 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)
[   36.461007][  T418] RSP: 002b:00007ffc91fe33c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.461427][  T418] RAX: ffffffffffffffda RBX: 00007ffc91fe3af0 RCX: 00007f6e15ac71e7
[   36.461878][  T418] RDX: 0000000000000000 RSI: 00007ffc91fe3430 RDI: 0000000000000005
[   36.462316][  T418] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.462772][  T418] R10: 00007f6e159c4ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.463217][  T418] R13: 00000000686e6a0c R14: 0000000000499600 R15: 0000000000000000
| [   36.608153][  T419] ------------[ cut here ]------------
| [ 36.608537][ T419] WARNING: CPU: 2 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) 
| [   36.609718][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.611013][  T419] Tainted: [W]=WARN
[   36.611309][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.611780][ 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) 
[ 36.612248][ T419] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   36.614044][  T419] RSP: 0018:ffffc90000a27140 EFLAGS: 00010246
[   36.614710][  T419] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   36.615463][  T419] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   36.616266][  T419] RBP: ffffc90000a27230 R08: ffff88800b3b6800 R09: 0000000000000000
[   36.616967][  T419] R10: ffffc90000a275c8 R11: ffffffffa4e50668 R12: 1ffff92000144e2c
[   36.617505][  T419] R13: 00000000000007d0 R14: ffffc90000a27880 R15: ffff888004cff4e0
[   36.617951][  T419] FS:  00007fe0bc5f2800(0000) GS:ffff8880901b7000(0000) knlGS:0000000000000000
[   36.618478][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.618857][  T419] CR2: 00000000004e5aa8 CR3: 000000000e14e006 CR4: 0000000000772ef0
[   36.619364][  T419] PKRU: 55555554
[   36.619613][  T419] Call Trace:
[   36.619906][  T419]  <TASK>
[ 36.620065][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.620441][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.620836][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.621270][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.621779][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.622076][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.622386][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.622752][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.623180][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.623618][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.623991][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.624412][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.624852][ 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) 
[ 36.625150][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.625520][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.625831][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.626132][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.626436][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.626837][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.627133][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.627436][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 36.627743][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.628062][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.628450][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.628923][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.629339][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.629816][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.630113][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.630430][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.630735][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.631027][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.631365][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.631822][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.632159][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.632542][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.632876][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.633275][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.633570][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.633970][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.634290][ 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) 
[ 36.634581][ T419] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.634981][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.635363][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.635668][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.636077][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.636446][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.636809][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.637210][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.637545][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.637933][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 36.638233][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.638530][ 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) 
[ 36.638995][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.639316][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.639726][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.640121][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.640471][ 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) 
[ 36.640864][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.641264][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 36.641558][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.641962][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.642283][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.642577][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.642891][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.643267][  T419] RIP: 0033:0x7fe0bc7bf1e7
[ 36.643574][ 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)
[   36.644869][  T419] RSP: 002b:00007ffe54dd4018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.645398][  T419] RAX: ffffffffffffffda RBX: 00007ffe54dd4740 RCX: 00007fe0bc7bf1e7
[   36.645901][  T419] RDX: 0000000000000000 RSI: 00007ffe54dd4080 RDI: 0000000000000005
[   36.646355][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.646821][  T419] R10: 00007fe0bc6bcee8 R11: 0000000000000246 R12: 0000000000000004
[   36.647266][  T419] R13: 00000000686e6a0c R14: 0000000000499600 R15: 0000000000000000
| [   36.795910][  T420] ------------[ cut here ]------------
| [ 36.796279][ T420] WARNING: CPU: 1 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) 
| [   36.798300][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.799380][  T420] Tainted: [W]=WARN
[   36.799588][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.800062][ 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) 
[ 36.800358][ T420] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   36.801509][  T420] RSP: 0018:ffffc90000a47140 EFLAGS: 00010246
[   36.802016][  T420] RAX: 0000000000000000 RBX: ffff88800b08c000 RCX: 0000000000000001
[   36.802436][  T420] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   36.802953][  T420] RBP: ffffc90000a47230 R08: ffff88800949b800 R09: 0000000000000000
[   36.803365][  T420] R10: ffffc90000a475c8 R11: ffffffffa4e50668 R12: 1ffff92000148e2c
[   36.803780][  T420] R13: 00000000000007d0 R14: ffffc90000a47880 R15: ffff888004cfc3e0
[   36.804215][  T420] FS:  00007f4898312800(0000) GS:ffff888090137000(0000) knlGS:0000000000000000
[   36.804735][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.805089][  T420] CR2: 00000000004e73d0 CR3: 0000000005208003 CR4: 0000000000772ef0
[   36.805501][  T420] PKRU: 55555554
[   36.805716][  T420] Call Trace:
[   36.805943][  T420]  <TASK>
[ 36.806083][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.806373][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.806667][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.806964][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.807274][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.807576][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.807873][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.808168][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.808526][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.808812][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.809087][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.809367][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.809647][ 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) 
[ 36.809976][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.810318][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.810617][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.810910][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.811208][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.811487][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.811802][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.812081][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 36.812370][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.812660][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.812974][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.813335][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.813621][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.813943][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.814220][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.814528][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.814818][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.815100][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.815382][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.815653][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.815935][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.816215][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.816495][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.816779][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.817057][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.817354][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.817627][ 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) 
[ 36.817913][ T420] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.818192][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.818469][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.818781][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.819068][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.819353][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.819640][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.819937][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.820212][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.820567][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 36.820853][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.821129][ 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) 
[ 36.821482][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.821784][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.822066][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.822350][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.822631][ 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) 
[ 36.822923][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.823211][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 36.823494][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.823847][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.824135][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.824414][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.824709][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.825058][  T420] RIP: 0033:0x7f48984df1e7
[ 36.825345][ 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)
[   36.826407][  T420] RSP: 002b:00007ffee8a1f858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.826850][  T420] RAX: ffffffffffffffda RBX: 00007ffee8a1ff80 RCX: 00007f48984df1e7
[   36.827265][  T420] RDX: 0000000000000000 RSI: 00007ffee8a1f8c0 RDI: 0000000000000005
[   36.827693][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.828125][  T420] R10: 00007f48983dcee8 R11: 0000000000000246 R12: 0000000000000004
[   36.828546][  T420] R13: 00000000686e6a0c R14: 0000000000499600 R15: 0000000000000000
| [   36.951175][  T421] ------------[ cut here ]------------
| [ 36.951539][ T421] WARNING: CPU: 2 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) 
| [   36.952457][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.953733][  T421] Tainted: [W]=WARN
[   36.953978][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.954348][ 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) 
[ 36.954651][ T421] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   36.955662][  T421] RSP: 0018:ffffc90000ab7140 EFLAGS: 00010246
[   36.956044][  T421] RAX: 0000000000000000 RBX: ffff888004ed1000 RCX: 0000000000000001
[   36.956479][  T421] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   36.957112][  T421] RBP: ffffc90000ab7230 R08: ffff88800e9c6800 R09: 0000000000000000
[   36.957707][  T421] R10: ffffc90000ab75c8 R11: ffffffffa4e50668 R12: 1ffff92000156e2c
[   36.958181][  T421] R13: 00000000000007d0 R14: ffffc90000ab7880 R15: ffff888004cfdfe0
[   36.958612][  T421] FS:  00007fd5c3d5a800(0000) GS:ffff8880901b7000(0000) knlGS:0000000000000000
[   36.959116][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.959476][  T421] CR2: 00000000004e5ab0 CR3: 000000000b2fc002 CR4: 0000000000772ef0
[   36.960030][  T421] PKRU: 55555554
[   36.960261][  T421] Call Trace:
[   36.960490][  T421]  <TASK>
[ 36.960645][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.960954][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.961241][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.961532][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.961895][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.962191][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.962485][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.962800][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.963165][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.963453][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.963754][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.964046][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.964337][ 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) 
[ 36.964634][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.965006][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.965301][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.965610][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.965935][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.966230][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.966521][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.966818][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 36.967118][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.967430][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.967914][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.968281][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.968594][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.968906][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.969194][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.969494][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.969817][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.970104][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.970395][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.970718][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.971009][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.971303][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.971608][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.972123][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.972624][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.973171][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.973669][ 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) 
[ 36.974197][ T421] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.974726][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.975227][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.975781][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.976299][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.976831][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.977357][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.977885][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.978395][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.979062][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 36.979575][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.980078][ 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) 
[ 36.980455][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.980796][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.981089][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.981383][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.981738][ 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) 
[ 36.982047][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.982344][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 36.982649][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.983016][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.983317][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.983625][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.983931][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.984285][  T421] RIP: 0033:0x7fd5c3f271e7
[ 36.984606][ 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)
[   36.985627][  T421] RSP: 002b:00007fff9c705498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.986084][  T421] RAX: ffffffffffffffda RBX: 00007fff9c705bc0 RCX: 00007fd5c3f271e7
[   36.986515][  T421] RDX: 0000000000000000 RSI: 00007fff9c705500 RDI: 0000000000000005
[   36.987055][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.987479][  T421] R10: 00007fd5c3e24ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.987929][  T421] R13: 00000000686e6a0c R14: 0000000000499600 R15: 0000000000000000
| [   37.146302][  T422] ------------[ cut here ]------------
| [ 37.146619][ T422] WARNING: CPU: 1 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) 
| [   37.147185][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.148254][  T422] Tainted: [W]=WARN
[   37.148468][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.148831][ 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) 
[ 37.149116][ T422] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   37.150115][  T422] RSP: 0018:ffffc90000ad7140 EFLAGS: 00010246
[   37.150468][  T422] RAX: 0000000000000000 RBX: ffff88800c089000 RCX: 0000000000000001
[   37.150896][  T422] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   37.151309][  T422] RBP: ffffc90000ad7230 R08: ffff88800590e800 R09: 0000000000000000
[   37.151760][  T422] R10: ffffc90000ad75c8 R11: ffffffffa4e50668 R12: 1ffff9200015ae2c
[   37.152182][  T422] R13: 00000000000007d0 R14: ffffc90000ad7880 R15: ffff888004cfce60
[   37.152595][  T422] FS:  00007f8509013800(0000) GS:ffff888090137000(0000) knlGS:0000000000000000
[   37.153094][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.153449][  T422] CR2: 00000000004e55b8 CR3: 000000000e245004 CR4: 0000000000772ef0
[   37.154059][  T422] PKRU: 55555554
[   37.154272][  T422] Call Trace:
[   37.154480][  T422]  <TASK>
[ 37.154623][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.155037][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.155315][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.155594][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.156039][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.156318][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.156597][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.157011][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.157366][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.157640][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.158030][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.158307][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.158586][ 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) 
[ 37.158872][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.159214][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.159490][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.159791][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.160069][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.160346][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.160619][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.160903][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 37.161183][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.161458][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.161761][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.162104][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.162390][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.162675][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.162992][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.163276][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.163551][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.163835][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.164152][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.164443][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.164750][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.165048][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.165345][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.165638][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.165943][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.166247][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.166537][ 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) 
[ 37.166845][ T422] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.167139][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.167432][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.167740][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.168037][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.168333][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.168636][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.168955][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.169246][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.169621][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 37.169926][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.170220][ 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) 
[ 37.170579][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.170892][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.171192][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.171491][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.171808][ 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) 
[ 37.172103][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.172404][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 37.172709][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.173074][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.173382][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.173704][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.174001][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.174365][  T422] RIP: 0033:0x7f85091e01e7
[ 37.174668][ 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)
[   37.175726][  T422] RSP: 002b:00007ffc214bc4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.176172][  T422] RAX: ffffffffffffffda RBX: 00007ffc214bcc20 RCX: 00007f85091e01e7
[   37.176610][  T422] RDX: 0000000000000000 RSI: 00007ffc214bc560 RDI: 0000000000000005
[   37.177058][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.177503][  T422] R10: 00007f85090ddee8 R11: 0000000000000246 R12: 0000000000000004
[   37.177955][  T422] R13: 00000000686e6a0c R14: 0000000000499600 R15: 0000000000000000
| [   37.285750][  T423] ------------[ cut here ]------------
| [ 37.286140][ T423] WARNING: CPU: 2 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) 
| [   37.287245][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.288303][  T423] Tainted: [W]=WARN
[   37.288546][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.288943][ 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) 
[ 37.289265][ T423] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   37.290358][  T423] RSP: 0018:ffffc90000af7140 EFLAGS: 00010246
[   37.290762][  T423] RAX: 0000000000000000 RBX: ffff888008b64000 RCX: 0000000000000001
[   37.291218][  T423] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   37.291688][  T423] RBP: ffffc90000af7230 R08: ffff88800abcb800 R09: 0000000000000000
[   37.292156][  T423] R10: ffffc90000af75c8 R11: ffffffffa4e50668 R12: 1ffff9200015ee2c
[   37.292620][  T423] R13: 00000000000007d0 R14: ffffc90000af7880 R15: ffff888004cfd1e0
[   37.293088][  T423] FS:  00007fc40973a800(0000) GS:ffff8880901b7000(0000) knlGS:0000000000000000
[   37.293625][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.294019][  T423] CR2: 00000000004e5ac8 CR3: 00000000092c8003 CR4: 0000000000772ef0
[   37.294479][  T423] PKRU: 55555554
[   37.294729][  T423] Call Trace:
[   37.294968][  T423]  <TASK>
[ 37.295133][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.295450][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.295768][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.296086][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.296395][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.296725][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.297035][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.297355][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.297753][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.298061][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.298367][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.298690][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.299011][ 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) 
[ 37.299320][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.299712][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.300025][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.300415][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.300716][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.301006][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.301305][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.301646][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.301982][ T423] ? irqentry_exit (kernel/entry/common.c:311) 
[ 37.302295][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.302606][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.302935][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.303242][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.303553][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.303867][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.304158][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.304452][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.304755][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.305050][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.305342][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.305643][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.305944][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.306238][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.306532][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.306832][ 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) 
[ 37.307120][ T423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.307416][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.307719][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.308014][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.308313][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.308601][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.308913][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.309207][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.309495][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.309874][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 37.310164][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.310457][ 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) 
[ 37.310840][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.311148][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.311455][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.311776][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.312066][ 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) 
[ 37.312352][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.312660][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 37.312959][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.313324][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.313625][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.313937][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.314235][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.314588][  T423] RIP: 0033:0x7fc4099071e7
[ 37.314900][ 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)
[   37.315928][  T423] RSP: 002b:00007ffc4e8c9388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.316362][  T423] RAX: ffffffffffffffda RBX: 00007ffc4e8c9ab0 RCX: 00007fc4099071e7
[   37.316812][  T423] RDX: 0000000000000000 RSI: 00007ffc4e8c93f0 RDI: 0000000000000005
[   37.317245][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.317675][  T423] R10: 00007fc409804ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.318139][  T423] R13: 00000000686e6a0d R14: 0000000000499600 R15: 0000000000000000
| [   37.437033][  T424] ------------[ cut here ]------------
| [ 37.437392][ 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) 
| [   37.438039][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.438993][  T424] Tainted: [W]=WARN
[   37.439217][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.439568][ 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) 
[ 37.439887][ T424] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   37.440887][  T424] RSP: 0018:ffffc90000b07140 EFLAGS: 00010246
[   37.441256][  T424] RAX: 0000000000000000 RBX: ffff88800a249000 RCX: 0000000000000001
[   37.441753][  T424] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   37.442186][  T424] RBP: ffffc90000b07230 R08: ffff888004e0e800 R09: 0000000000000000
[   37.442610][  T424] R10: ffffc90000b075c8 R11: ffffffffa4e50668 R12: 1ffff92000160e2c
[   37.443047][  T424] R13: 00000000000007d0 R14: ffffc90000b07880 R15: ffff888004eec060
[   37.443485][  T424] FS:  00007fbc84737800(0000) GS:ffff8880901b7000(0000) knlGS:0000000000000000
[   37.443991][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.444352][  T424] CR2: 00000000004e5ac0 CR3: 000000000b2ee004 CR4: 0000000000772ef0
[   37.444785][  T424] PKRU: 55555554
[   37.445003][  T424] Call Trace:
[   37.445222][  T424]  <TASK>
[ 37.445378][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.445731][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.446028][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.446325][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.446619][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.446921][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.447219][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.447515][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.447898][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.448186][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.448474][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.448775][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.449069][ 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) 
[ 37.449361][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.449775][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.450081][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.450380][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.450671][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.450976][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.451270][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.451556][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 37.451902][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.452199][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.452498][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.452876][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.453174][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.453473][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.453819][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.454119][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.454417][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.454722][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.455015][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.455300][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.455590][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.455894][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.456188][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.456476][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.456781][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.457091][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.457381][ 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) 
[ 37.457722][ T424] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.458021][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.458308][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.458603][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.458904][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.459199][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.459495][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.459797][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.460084][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.460449][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 37.460746][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.461035][ 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) 
[ 37.461395][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.461745][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.462044][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.462340][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.462640][ 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) 
[ 37.462958][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.463253][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 37.463551][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.463918][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.464220][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.464512][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.464823][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.465182][  T424] RIP: 0033:0x7fbc849041e7
[ 37.465487][ 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)
[   37.466552][  T424] RSP: 002b:00007ffde65816f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.467003][  T424] RAX: ffffffffffffffda RBX: 00007ffde6581e20 RCX: 00007fbc849041e7
[   37.467428][  T424] RDX: 0000000000000000 RSI: 00007ffde6581760 RDI: 0000000000000005
[   37.467874][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.468297][  T424] R10: 00007fbc84801ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.468734][  T424] R13: 00000000686e6a0d R14: 0000000000499600 R15: 0000000000000000
| [   37.607358][  T425] ------------[ cut here ]------------
| [ 37.607908][ T425] WARNING: CPU: 1 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) 
| [   37.608911][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.611497][  T425] Tainted: [W]=WARN
[   37.611741][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.612242][ 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) 
[ 37.612708][ T425] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   37.613724][  T425] RSP: 0018:ffffc90000b07140 EFLAGS: 00010246
[   37.614089][  T425] RAX: 0000000000000000 RBX: ffff888008b8c000 RCX: 0000000000000001
[   37.614503][  T425] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   37.614965][  T425] RBP: ffffc90000b07230 R08: ffff888005280800 R09: 0000000000000000
[   37.615378][  T425] R10: ffffc90000b075c8 R11: ffffffffa4e50668 R12: 1ffff92000160e2c
[   37.615803][  T425] R13: 00000000000007d0 R14: ffffc90000b07880 R15: ffff888004eec3e0
[   37.616229][  T425] FS:  00007f5332477800(0000) GS:ffff888090137000(0000) knlGS:0000000000000000
[   37.616724][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.617086][  T425] CR2: 00000000004e73f8 CR3: 000000000e2aa006 CR4: 0000000000772ef0
[   37.617503][  T425] PKRU: 55555554
[   37.617730][  T425] Call Trace:
[   37.617952][  T425]  <TASK>
[ 37.618100][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.618383][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.618656][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.618981][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.619259][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.619537][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.619825][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.620286][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.620929][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.621433][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.621954][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.622237][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.622516][ 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) 
[ 37.622801][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.623176][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.623454][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.623748][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.624140][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.624429][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.624714][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.624998][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 37.625277][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.625554][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.625857][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.626218][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.626499][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.626787][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.627099][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.627382][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.627659][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.627993][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.628345][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.628630][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.628917][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.629200][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.629480][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.629763][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.630047][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.630332][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.630613][ 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) 
[ 37.630899][ T425] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.631204][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.631477][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.631784][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.632075][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.632351][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.632640][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.632948][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.633240][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.633597][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 37.633880][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.634157][ 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) 
[ 37.634500][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.634795][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.635075][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.635358][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.635634][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.635923][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.636205][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 37.636476][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.636835][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.637153][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.637432][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.637725][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.638067][  T425] RIP: 0033:0x7f53326441e7
[ 37.638351][ 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)
[   37.639358][  T425] RSP: 002b:00007ffd7dd34478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.639783][  T425] RAX: ffffffffffffffda RBX: 00007ffd7dd34ba0 RCX: 00007f53326441e7
[   37.640210][  T425] RDX: 0000000000000000 RSI: 00007ffd7dd344e0 RDI: 0000000000000005
[   37.640624][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.641089][  T425] R10: 00007f5332541ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.641499][  T425] R13: 00000000686e6a0d R14: 0000000000499600 R15: 0000000000000000
| [   37.752641][  T426] ------------[ cut here ]------------
| [ 37.752970][ T426] WARNING: CPU: 0 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) 
| [   37.753520][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.755486][  T426] Tainted: [W]=WARN
[   37.755708][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.756061][ 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) 
[ 37.756349][ T426] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   37.757332][  T426] RSP: 0018:ffffc90000b17140 EFLAGS: 00010246
[   37.757693][  T426] RAX: 0000000000000000 RBX: ffff888004ed4000 RCX: 0000000000000001
[   37.758103][  T426] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   37.758516][  T426] RBP: ffffc90000b17230 R08: ffff88800968e800 R09: 0000000000000000
[   37.758934][  T426] R10: ffffc90000b175c8 R11: ffffffffa4e50668 R12: 1ffff92000162e2c
[   37.759346][  T426] R13: 00000000000007d0 R14: ffffc90000b17880 R15: ffff888004eee360
[   37.759775][  T426] FS:  00007feeebea2800(0000) GS:ffff8880900b7000(0000) knlGS:0000000000000000
[   37.760256][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.760603][  T426] CR2: 00000000004e5ab8 CR3: 000000000a096001 CR4: 0000000000772ef0
[   37.761026][  T426] PKRU: 55555554
[   37.761232][  T426] Call Trace:
[   37.761442][  T426]  <TASK>
[ 37.761583][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.761889][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.762164][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.762441][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.762732][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.763012][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.763296][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.763578][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.763937][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.764213][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.764486][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.764772][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.765051][ 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) 
[ 37.765331][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.765671][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.765963][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.766235][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.766508][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.766797][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.767078][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.767356][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 37.767638][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.767927][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.768202][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.768544][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.768836][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.769114][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.769386][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.769672][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.769958][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.770229][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.770502][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.770787][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.771061][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.771340][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.771617][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.771922][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.772201][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.772487][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.772785][ 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) 
[ 37.773064][ T426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.773341][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.773616][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.773910][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.774189][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.774462][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.774753][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.775033][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.775307][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.775661][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 37.775950][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.776230][ 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) 
[ 37.776573][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.776861][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.777140][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.777420][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.777706][ 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) 
[ 37.777990][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.778271][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 37.778546][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.778901][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.779195][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.779570][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.779859][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.780202][  T426] RIP: 0033:0x7feeec06f1e7
[ 37.780509][ 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)
[   37.781503][  T426] RSP: 002b:00007ffd019144e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.781937][  T426] RAX: ffffffffffffffda RBX: 00007ffd01914c10 RCX: 00007feeec06f1e7
[   37.782360][  T426] RDX: 0000000000000000 RSI: 00007ffd01914550 RDI: 0000000000000005
[   37.782780][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.783195][  T426] R10: 00007feeebf6cee8 R11: 0000000000000246 R12: 0000000000000004
[   37.783607][  T426] R13: 00000000686e6a0d R14: 0000000000499600 R15: 0000000000000000
| [   37.898016][  T427] ------------[ cut here ]------------
| [ 37.898340][ T427] WARNING: CPU: 0 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) 
| [   37.898905][  T427] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.900611][  T427] Tainted: [W]=WARN
[   37.900845][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.901227][ 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) 
[ 37.901516][ T427] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   37.902507][  T427] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246
[   37.902865][  T427] RAX: 0000000000000000 RBX: ffff8880086b1000 RCX: 0000000000000001
[   37.903285][  T427] RDX: 0000000000000000 RSI: ffffffffa409b939 RDI: ffffffffa38555e0
[   37.903713][  T427] RBP: ffffc900009e7230 R08: ffff888004d23800 R09: 0000000000000000
[   37.904122][  T427] R10: ffffc900009e75c8 R11: ffffffffa4e50668 R12: 1ffff9200013ce2c
[   37.904534][  T427] R13: 00000000000007d0 R14: ffffc900009e7880 R15: ffff888004eed8e0
[   37.904959][  T427] FS:  00007fc1b62eb800(0000) GS:ffff8880900b7000(0000) knlGS:0000000000000000
[   37.905440][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.905794][  T427] CR2: 00000000004e59c0 CR3: 0000000009745003 CR4: 0000000000772ef0
[   37.906209][  T427] PKRU: 55555554
[   37.906424][  T427] Call Trace:
[   37.906635][  T427]  <TASK>
[ 37.906783][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.907068][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.907340][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.907620][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.907905][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.908183][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.908461][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.908757][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.909109][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.909386][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.909657][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.909944][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.910225][ 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) 
[ 37.910508][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.910864][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.911142][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.911412][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.911707][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.911989][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.912260][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.912532][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 37.912822][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.913100][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.913375][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.913725][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.914009][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.914287][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.914561][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.914857][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.915138][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.915409][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.915700][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.915974][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.916251][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.916526][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.916813][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.917095][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.917371][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.917655][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.917939][ 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) 
[ 37.918215][ T427] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.918493][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.918777][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.919065][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.919344][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.919623][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.919915][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.920195][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.920468][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.920830][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 37.921107][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.921378][ 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) 
[ 37.921755][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.922035][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.922315][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.922598][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.922883][ 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) 
[ 37.923165][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.923450][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 37.923732][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.924072][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.924358][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.924637][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.924922][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.925259][  T427] RIP: 0033:0x7fc1b64b81e7
[ 37.925547][ 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)
[   37.926537][  T427] RSP: 002b:00007ffd9b593ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.926960][  T427] RAX: ffffffffffffffda RBX: 00007ffd9b594610 RCX: 00007fc1b64b81e7
[   37.927377][  T427] RDX: 0000000000000000 RSI: 00007ffd9b593f50 RDI: 0000000000000005
[   37.927820][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.928240][  T427] R10: 00007fc1b63b5ee8 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