======================================
| [   23.223034][  T338] ip_gre: GRE over IPv4 tunneling driver
| [   23.285642][  T337] ------------[ cut here ]------------
| [ 23.286200][ T337] WARNING: CPU: 2 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) 
| [   23.286837][  T337] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   23.287904][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.288324][ 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) 
[ 23.288663][ T337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.289844][  T337] RSP: 0018:ffffc90000567000 EFLAGS: 00010246
[   23.290276][  T337] RAX: 0000000000000000 RBX: ffff88800c279000 RCX: 0000000000000001
[   23.290769][  T337] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   23.291272][  T337] RBP: ffffc900005670e8 R08: ffff88800c279218 R09: 0000000000000000
[   23.291751][  T337] R10: ffffc90000567118 R11: dffffc0000000000 R12: 1ffff920000ace04
[   23.292555][  T337] R13: 00000000000005c0 R14: ffffc90000567118 R15: ffff88800c279218
[   23.293044][  T337] FS:  00007f19a924a800(0000) GS:ffff8880861b7000(0000) knlGS:0000000000000000
[   23.293629][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.294038][  T337] CR2: 00005601457532d8 CR3: 0000000005e50003 CR4: 0000000000772ef0
[   23.294547][  T337] PKRU: 55555554
[   23.294801][  T337] Call Trace:
[   23.295057][  T337]  <TASK>
[ 23.295254][ T337] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.295662][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.295993][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.296335][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 23.296667][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.297007][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.297262][ T337] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.297584][ T337] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.297913][ T337] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.298246][ T337] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.298643][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.298972][ T337] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.299301][ T337] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.299624][ T337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.300133][ T337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.300466][ T337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.300790][ T337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.301122][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.301446][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.301770][ T337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.302101][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.302461][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.302791][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.303112][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.303447][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.303764][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.307004][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.307359][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.307683][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.308006][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.308335][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.308667][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.309002][ 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) 
[ 23.309337][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.309676][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.310003][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.310337][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.310658][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.310980][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.311341][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.311669][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.311992][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.312423][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 23.312742][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.313064][ T337] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.313410][ T337] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.313669][ T337] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.313989][ T337] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.314315][ T337] ? mt_find (lib/maple_tree.c:6938) 
[ 23.314575][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 23.314894][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.315234][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.315567][ T337] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.315890][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.316223][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.316544][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.317844][  T337] RIP: 0033:0x7f19a94171e7
[ 23.318195][ T337] Code: Unable to access opcode bytes at 0x7f19a94171bd.

Code starting with the faulting instruction
===========================================
[   23.318613][  T337] RSP: 002b:00007ffdd9843d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.319109][  T337] RAX: ffffffffffffffda RBX: 00007ffdd98444c0 RCX: 00007f19a94171e7
[   23.319602][  T337] RDX: 0000000000000000 RSI: 00007ffdd9843e00 RDI: 0000000000000005
[   23.320083][  T337] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   23.320567][  T337] R10: 00007f19a94a5ac0 R11: 0000000000000246 R12: 00007ffdd98444e0
[   23.321053][  T337] R13: 00000000686e4022 R14: 0000000000499600 R15: 00007ffdd9843ee4
| [   26.633607][  T372] ------------[ cut here ]------------
| [ 26.633962][ T372] WARNING: CPU: 3 PID: 372 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) 
| [   26.635131][  T372] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   26.636179][  T372] Tainted: [W]=WARN
[   26.636416][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.636803][ T372] 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) 
[ 26.637124][ T372] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.638248][  T372] RSP: 0018:ffffc90000657000 EFLAGS: 00010246
[   26.638643][  T372] RAX: 0000000000000000 RBX: ffff888007c59000 RCX: 0000000000000001
[   26.639110][  T372] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   26.639580][  T372] RBP: ffffc900006570e8 R08: ffff888007c59218 R09: 0000000000000000
[   26.640045][  T372] R10: ffffc90000657118 R11: dffffc0000000000 R12: 1ffff920000cae04
[   26.640516][  T372] R13: 00000000000005c0 R14: ffffc90000657118 R15: ffff888007c59218
[   26.640979][  T372] FS:  00007ffa98157800(0000) GS:ffff888086237000(0000) knlGS:0000000000000000
[   26.641516][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.641905][  T372] CR2: 00000000004200f0 CR3: 000000000bbb0001 CR4: 0000000000772ef0
[   26.642386][  T372] PKRU: 55555554
[   26.642619][  T372] Call Trace:
[   26.642849][  T372]  <TASK>
[ 26.643007][ T372] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.643406][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.643716][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.644040][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 26.644358][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.644683][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.644918][ T372] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.645280][ T372] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.645605][ T372] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.645922][ T372] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.646313][ T372] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.646628][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.646936][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 26.647254][ T372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.647565][ T372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.647874][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.648195][ T372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.648509][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.648812][ T372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.649128][ T372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.649491][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.649806][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.650135][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.650455][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.650769][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.651076][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.651393][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.651703][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.652013][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.652347][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.652667][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.652986][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.653301][ T372] ? 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) 
[ 26.653612][ T372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.653919][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.654231][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.654543][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.654858][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.655162][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.655483][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.655802][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.656108][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.656508][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 26.656815][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.657133][ T372] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 26.657455][ T372] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 26.657692][ T372] ? __handle_mm_fault (mm/memory.c:6212) 
[ 26.658000][ T372] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 26.658312][ T372] ? mt_find (lib/maple_tree.c:6938) 
[ 26.658561][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 26.658868][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.659190][ T372] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.659507][ T372] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.659815][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.660154][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.660495][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.660874][  T372] RIP: 0033:0x7ffa983241e7
[ 26.661201][ T372] 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)
[   26.662317][  T372] RSP: 002b:00007ffd0bc2ef78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.662778][  T372] RAX: ffffffffffffffda RBX: 00007ffd0bc2f6a0 RCX: 00007ffa983241e7
[   26.663243][  T372] RDX: 0000000000000000 RSI: 00007ffd0bc2efe0 RDI: 0000000000000005
[   26.663710][  T372] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   26.664178][  T372] R10: 00007ffa983b2ac0 R11: 0000000000000246 R12: 00007ffd0bc2f6c0
[   26.664641][  T372] R13: 00000000686e4026 R14: 0000000000499600 R15: 00007ffd0bc2f0c4
| [   36.280986][  T417] ------------[ cut here ]------------
| [ 36.281678][ T417] WARNING: CPU: 2 PID: 417 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) 
| [   36.282324][  T417] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.283371][  T417] Tainted: [W]=WARN
[   36.283598][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.283977][ T417] 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) 
[ 36.284294][ T417] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.285337][  T417] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   36.285712][  T417] RAX: 0000000000000000 RBX: ffff8880029e1000 RCX: 0000000000000001
[   36.286154][  T417] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   36.286626][  T417] RBP: ffffc900009c7230 R08: ffff88800a9c8800 R09: 0000000000000000
[   36.287079][  T417] R10: ffffc900009c75c8 R11: ffffffffaee50668 R12: 1ffff92000138e2c
[   36.287523][  T417] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff888004faa6e0
[   36.287958][  T417] FS:  00007f03a5688800(0000) GS:ffff8880861b7000(0000) knlGS:0000000000000000
[   36.288487][  T417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.288859][  T417] CR2: 00000000004e5aa0 CR3: 0000000008edc004 CR4: 0000000000772ef0
[   36.289309][  T417] PKRU: 55555554
[   36.289534][  T417] Call Trace:
[   36.289760][  T417]  <TASK>
[ 36.289921][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.290255][ T417] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.290872][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.291212][ T417] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.291516][ T417] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.291818][ T417] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.292118][ T417] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.292453][ T417] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.292832][ T417] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.293138][ T417] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.293488][ T417] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.293785][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.294083][ T417] ? __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) 
[ 36.294409][ T417] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.294772][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.295069][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.295376][ T417] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.295672][ T417] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.295969][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.296279][ T417] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.296568][ T417] ? __create_object (mm/kmemleak.c:771) 
[ 36.296861][ T417] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.297157][ T417] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.297466][ T417] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.297833][ T417] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.298133][ T417] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.298459][ T417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.298765][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.299110][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.299419][ T417] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.299711][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.300008][ T417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.300321][ T417] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.300618][ T417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.300915][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.301226][ T417] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.301524][ T417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.301816][ T417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.302128][ T417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.302473][ T417] ? 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) 
[ 36.302783][ T417] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.303080][ T417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.303389][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.303692][ T417] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.304020][ T417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.304328][ T417] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.304630][ T417] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.304937][ T417] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.305243][ T417] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.305618][ T417] ___sys_sendmsg (net/socket.c:2670) 
[ 36.305911][ T417] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.306232][ T417] ? __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) 
[ 36.306625][ T417] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.306931][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.307246][ T417] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.307546][ T417] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.307839][ T417] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.308132][ T417] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.308446][ T417] __sys_sendmsg (net/socket.c:2700) 
[ 36.308739][ T417] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.309131][ T417] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.309458][ T417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.309757][ T417] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.310051][ T417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.310433][  T417] RIP: 0033:0x7f03a58551e7
[ 36.310748][ T417] 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)
[   36.311806][  T417] RSP: 002b:00007ffdfcd4c878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.312271][  T417] RAX: ffffffffffffffda RBX: 00007ffdfcd4cfa0 RCX: 00007f03a58551e7
[   36.312709][  T417] RDX: 0000000000000000 RSI: 00007ffdfcd4c8e0 RDI: 0000000000000005
[   36.313139][  T417] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.313595][  T417] R10: 00007f03a5752ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.314035][  T417] R13: 00000000686e402f R14: 0000000000499600 R15: 0000000000000000
| [   36.435028][  T418] ------------[ cut here ]------------
| [ 36.435815][ 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) 
| [   36.436414][  T418] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.437459][  T418] Tainted: [W]=WARN
[   36.437677][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.438039][ 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) 
[ 36.438357][ T418] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.439415][  T418] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   36.439782][  T418] RAX: 0000000000000000 RBX: ffff8880087a9000 RCX: 0000000000000001
[   36.440241][  T418] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   36.440675][  T418] RBP: ffffc900009c7230 R08: ffff8880029be800 R09: 0000000000000000
[   36.441102][  T418] R10: ffffc900009c75c8 R11: ffffffffaee50668 R12: 1ffff92000138e2c
[   36.441551][  T418] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff888006082a60
[   36.441984][  T418] FS:  00007ff3655c8800(0000) GS:ffff888086237000(0000) knlGS:0000000000000000
[   36.442531][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.442894][  T418] CR2: 00000000004e5aa8 CR3: 000000000a76e005 CR4: 0000000000772ef0
[   36.443369][  T418] PKRU: 55555554
[   36.443590][  T418] Call Trace:
[   36.443805][  T418]  <TASK>
[ 36.443952][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.444280][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.444574][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.444869][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.445159][ T418] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.445473][ T418] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.445766][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.446064][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.446451][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.446746][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.447029][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.447360][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.447651][ 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) 
[ 36.447937][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.448337][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.448647][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.448944][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.449271][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.449567][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.449858][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.450145][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 36.450472][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.450766][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.451065][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.451461][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.451765][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.452074][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.452404][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.452710][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.453001][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.453315][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.453614][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.453901][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.454215][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.454512][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.454805][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.455094][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.455399][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.455704][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.455989][ 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) 
[ 36.456319][ T418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.456616][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.456905][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.457248][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.457560][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.457859][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.458158][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.458478][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.458768][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.459143][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 36.459455][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.459748][ 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) 
[ 36.460117][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.460446][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.460740][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.461035][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.461352][ 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) 
[ 36.461645][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.461945][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 36.462267][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.462640][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.462942][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.463260][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.463591][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.463949][  T418] RIP: 0033:0x7ff3657951e7
[ 36.464270][ 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)
[   36.465334][  T418] RSP: 002b:00007ffea498e658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.465771][  T418] RAX: ffffffffffffffda RBX: 00007ffea498ed80 RCX: 00007ff3657951e7
[   36.466220][  T418] RDX: 0000000000000000 RSI: 00007ffea498e6c0 RDI: 0000000000000005
[   36.466659][  T418] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.467092][  T418] R10: 00007ff365692ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.467545][  T418] R13: 00000000686e4030 R14: 0000000000499600 R15: 0000000000000000
| [   36.606498][  T419] ------------[ cut here ]------------
| [ 36.606826][ T419] WARNING: CPU: 0 PID: 419 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.607400][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.608338][  T419] Tainted: [W]=WARN
[   36.608550][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.608912][ 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) 
[ 36.609223][ T419] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.610307][  T419] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   36.610661][  T419] RAX: 0000000000000000 RBX: ffff88800c279000 RCX: 0000000000000001
[   36.611081][  T419] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   36.611554][  T419] RBP: ffffc900009c7230 R08: ffff88800d9bb800 R09: 0000000000000000
[   36.612015][  T419] R10: ffffc900009c75c8 R11: ffffffffaee50668 R12: 1ffff92000138e2c
[   36.612453][  T419] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff888006081c60
[   36.612874][  T419] FS:  00007f85b341b800(0000) GS:ffff8880860b7000(0000) knlGS:0000000000000000
[   36.613376][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.613975][  T419] CR2: 00000000004e73d0 CR3: 000000000bfe9006 CR4: 0000000000772ef0
[   36.614402][  T419] PKRU: 55555554
[   36.614669][  T419] Call Trace:
[   36.614888][  T419]  <TASK>
[ 36.615030][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.615324][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.615607][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.615920][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.616203][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.616484][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.616770][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.617104][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.617473][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.617772][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.618047][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.618335][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.618620][ 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) 
[ 36.618897][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.619246][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.619532][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.619824][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.620099][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.620387][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.620667][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.620948][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 36.621281][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.621563][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.621849][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.622327][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.622692][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.623029][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.623348][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.623814][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.624253][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.624588][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.624995][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.625413][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.625807][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.626155][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.626489][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.626877][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.627201][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.627526][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.628000][ 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) 
[ 36.628389][ T419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.628777][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.629186][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.629697][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.630210][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.630562][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.630908][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.631252][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.631548][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.632149][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 36.632502][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.632785][ 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) 
[ 36.633141][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.633433][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.633724][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.634017][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.634306][ 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) 
[ 36.634586][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.634875][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 36.635180][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.635547][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.635839][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.636135][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.636517][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.636866][  T419] RIP: 0033:0x7f85b35e81e7
[ 36.637160][ 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)
[   36.638162][  T419] RSP: 002b:00007ffea98bbbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.638592][  T419] RAX: ffffffffffffffda RBX: 00007ffea98bc2e0 RCX: 00007f85b35e81e7
[   36.639033][  T419] RDX: 0000000000000000 RSI: 00007ffea98bbc20 RDI: 0000000000000005
[   36.639466][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.639879][  T419] R10: 00007f85b34e5ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.640304][  T419] R13: 00000000686e4030 R14: 0000000000499600 R15: 0000000000000000
| [   36.777891][  T420] ------------[ cut here ]------------
| [ 36.778693][ T420] WARNING: CPU: 2 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.779318][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.780313][  T420] Tainted: [W]=WARN
[   36.780541][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.780905][ 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) 
[ 36.781230][ T420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.782398][  T420] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   36.782784][  T420] RAX: 0000000000000000 RBX: ffff888009849000 RCX: 0000000000000001
[   36.783263][  T420] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   36.783709][  T420] RBP: ffffc900009c7230 R08: ffff88800daba000 R09: 0000000000000000
[   36.784146][  T420] R10: ffffc900009c75c8 R11: ffffffffaee50668 R12: 1ffff92000138e2c
[   36.784595][  T420] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff888006083860
[   36.785029][  T420] FS:  00007fc71404f800(0000) GS:ffff8880861b7000(0000) knlGS:0000000000000000
[   36.785640][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.786048][  T420] CR2: 00000000004e5ab0 CR3: 0000000008edc006 CR4: 0000000000772ef0
[   36.786515][  T420] PKRU: 55555554
[   36.786745][  T420] Call Trace:
[   36.786982][  T420]  <TASK>
[ 36.787139][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.787461][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.787793][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.788125][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.788448][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.788759][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.789060][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.789399][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.789823][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.790137][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.790449][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.790827][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.791181][ 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) 
[ 36.791482][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.791863][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.792292][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.792597][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.792894][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.793206][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.793508][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.793844][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 36.794151][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.794468][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.794816][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.795206][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.795508][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.795808][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.796119][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.796447][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.796752][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.797067][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.797390][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.797686][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.797979][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.798289][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.798618][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.798958][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.799273][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.799587][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.799878][ 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) 
[ 36.800190][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.800491][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.800787][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.801085][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.801401][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.801723][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.802051][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.802387][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.802703][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.803117][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 36.803463][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.803760][ 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) 
[ 36.804139][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.804499][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.804850][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.805160][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.805479][ 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) 
[ 36.805798][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.806103][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 36.806416][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.806845][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.807157][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.807472][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.807774][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.808187][  T420] RIP: 0033:0x7fc71421c1e7
[ 36.808504][ 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)
[   36.809540][  T420] RSP: 002b:00007ffe0776ccd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.809999][  T420] RAX: ffffffffffffffda RBX: 00007ffe0776d400 RCX: 00007fc71421c1e7
[   36.810458][  T420] RDX: 0000000000000000 RSI: 00007ffe0776cd40 RDI: 0000000000000005
[   36.810897][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.811345][  T420] R10: 00007fc714119ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.811798][  T420] R13: 00000000686e4030 R14: 0000000000499600 R15: 0000000000000000
| [   36.927912][  T421] ------------[ cut here ]------------
| [ 36.928364][ T421] WARNING: CPU: 1 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) 
| [   36.928925][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.930265][  T421] Tainted: [W]=WARN
[   36.930474][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.930817][ 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) 
[ 36.931101][ T421] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.932129][  T421] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   36.932545][  T421] RAX: 0000000000000000 RBX: ffff8880053ec000 RCX: 0000000000000001
[   36.932960][  T421] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   36.933385][  T421] RBP: ffffc900009d7230 R08: ffff888002853800 R09: 0000000000000000
[   36.933798][  T421] R10: ffffc900009d75c8 R11: ffffffffaee50668 R12: 1ffff9200013ae2c
[   36.934217][  T421] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff888006080ae0
[   36.934629][  T421] FS:  00007f556ca93800(0000) GS:ffff888086137000(0000) knlGS:0000000000000000
[   36.935131][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.935504][  T421] CR2: 00000000004e55b8 CR3: 000000000a76e004 CR4: 0000000000772ef0
[   36.935923][  T421] PKRU: 55555554
[   36.936157][  T421] Call Trace:
[   36.936375][  T421]  <TASK>
[ 36.936519][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.936804][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.937085][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.937386][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.937663][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.937941][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.938232][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.938516][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.938868][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.939152][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.939441][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.939725][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.940005][ 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) 
[ 36.940291][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.940636][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.940914][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.941202][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.941488][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.941767][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.942046][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.942348][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 36.942629][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.942909][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.943204][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.943556][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.943841][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.944124][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.944410][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.944696][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.944972][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.945260][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.945537][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.945823][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.946123][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.946443][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.946727][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.947008][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.947298][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.947593][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.947874][ 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) 
[ 36.948150][ T421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.948448][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.948727][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.949009][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.949305][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.949584][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.949872][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.950156][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.950448][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.950808][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 36.951086][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.951377][ 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) 
[ 36.951726][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.952012][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.952329][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.952611][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.952888][ 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) 
[ 36.953161][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.953465][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 36.953736][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.954077][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.954410][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.954691][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.954972][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.955326][  T421] RIP: 0033:0x7f556cc601e7
[ 36.955614][ 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)
[   36.956651][  T421] RSP: 002b:00007fffb87a5008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.957073][  T421] RAX: ffffffffffffffda RBX: 00007fffb87a5730 RCX: 00007f556cc601e7
[   36.957500][  T421] RDX: 0000000000000000 RSI: 00007fffb87a5070 RDI: 0000000000000005
[   36.957914][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.958353][  T421] R10: 00007f556cb5dee8 R11: 0000000000000246 R12: 0000000000000004
[   36.958768][  T421] R13: 00000000686e4030 R14: 0000000000499600 R15: 0000000000000000
| [   37.074707][  T422] ------------[ cut here ]------------
| [ 37.075083][ T422] WARNING: CPU: 2 PID: 422 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.075708][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.076741][  T422] Tainted: [W]=WARN
[   37.076981][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.077365][ 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) 
[ 37.077681][ T422] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.078749][  T422] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246
[   37.079133][  T422] RAX: 0000000000000000 RBX: ffff888002859000 RCX: 0000000000000001
[   37.079590][  T422] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   37.080047][  T422] RBP: ffffc900009e7230 R08: ffff88800db53800 R09: 0000000000000000
[   37.080636][  T422] R10: ffffc900009e75c8 R11: ffffffffaee50668 R12: 1ffff9200013ce2c
[   37.081283][  T422] R13: 00000000000007d0 R14: ffffc900009e7880 R15: ffff888006083be0
[   37.081846][  T422] FS:  00007f2dfdc31800(0000) GS:ffff8880861b7000(0000) knlGS:0000000000000000
[   37.082443][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.082826][  T422] CR2: 00000000004e5ac8 CR3: 000000000bb88001 CR4: 0000000000772ef0
[   37.083285][  T422] PKRU: 55555554
[   37.083515][  T422] Call Trace:
[   37.083749][  T422]  <TASK>
[ 37.083911][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.084236][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.084540][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.084851][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.085152][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.085472][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.085779][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.086089][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.086479][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.086791][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.087100][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.087423][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.087731][ 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) 
[ 37.088038][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.088421][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.088731][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.089050][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.089370][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.089683][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.089986][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.090302][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 37.090612][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.090919][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.091232][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.091617][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.091928][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.092275][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.092583][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.092896][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.093217][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.093525][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.093828][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.094138][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.094454][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.094769][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.095078][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.095387][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.095675][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.095978][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.096377][ 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) 
[ 37.096670][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.096968][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.097296][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.097596][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.097891][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.098207][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.098513][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.098807][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.099109][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.099506][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 37.099813][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.100115][ 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) 
[ 37.100484][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.100784][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.101085][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.101409][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.101701][ 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) 
[ 37.101994][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.102318][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 37.102607][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.102998][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.103336][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.103628][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.103931][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.104316][  T422] RIP: 0033:0x7f2dfddfe1e7
[ 37.104618][ 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)
[   37.105641][  T422] RSP: 002b:00007ffc6f278748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.106107][  T422] RAX: ffffffffffffffda RBX: 00007ffc6f278e70 RCX: 00007f2dfddfe1e7
[   37.106544][  T422] RDX: 0000000000000000 RSI: 00007ffc6f2787b0 RDI: 0000000000000005
[   37.106972][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.107410][  T422] R10: 00007f2dfdcfbee8 R11: 0000000000000246 R12: 0000000000000004
[   37.107858][  T422] R13: 00000000686e4030 R14: 0000000000499600 R15: 0000000000000000
| [   37.244039][  T423] ------------[ cut here ]------------
| [ 37.244497][ 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) 
| [   37.245068][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.246049][  T423] Tainted: [W]=WARN
[   37.246305][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.246667][ 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) 
[ 37.246973][ T423] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.248026][  T423] RSP: 0018:ffffc90000a17140 EFLAGS: 00010246
[   37.248407][  T423] RAX: 0000000000000000 RBX: ffff888008b21000 RCX: 0000000000000001
[   37.248835][  T423] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   37.249424][  T423] RBP: ffffc90000a17230 R08: ffff88800a365000 R09: 0000000000000000
[   37.249852][  T423] R10: ffffc90000a175c8 R11: ffffffffaee50668 R12: 1ffff92000142e2c
[   37.250285][  T423] R13: 00000000000007d0 R14: ffffc90000a17880 R15: ffff8880060811e0
[   37.250715][  T423] FS:  00007f6c7236b800(0000) GS:ffff8880861b7000(0000) knlGS:0000000000000000
[   37.251247][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.251608][  T423] CR2: 00000000004e5ac0 CR3: 000000000a76e002 CR4: 0000000000772ef0
[   37.252038][  T423] PKRU: 55555554
[   37.252518][  T423] Call Trace:
[   37.252906][  T423]  <TASK>
[ 37.253234][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.253538][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.253837][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.254131][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.254432][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.254723][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.255015][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.255345][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.255733][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.256036][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.256342][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.256636][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.256930][ 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) 
[ 37.257232][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.257592][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.257887][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.258196][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.258514][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.258815][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.259107][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.259433][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 37.259730][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.260022][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.260323][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.260692][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.260986][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.261292][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.261578][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.261874][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.262215][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.262506][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.262802][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.263089][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.263408][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.263703][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.263995][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.264296][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.264585][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.264885][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.265186][ 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) 
[ 37.265476][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.265769][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.266218][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.266715][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.267265][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.267746][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.268313][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.268818][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.269346][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.269996][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 37.270517][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.271025][ 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) 
[ 37.271743][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.272268][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.272569][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.272863][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.273156][ 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) 
[ 37.273458][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.273762][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 37.274053][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.274423][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.274724][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.275016][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.275333][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.275694][  T423] RIP: 0033:0x7f6c725381e7
[ 37.275993][ 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)
[   37.277004][  T423] RSP: 002b:00007ffe210f7938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.277444][  T423] RAX: ffffffffffffffda RBX: 00007ffe210f8060 RCX: 00007f6c725381e7
[   37.277874][  T423] RDX: 0000000000000000 RSI: 00007ffe210f79a0 RDI: 0000000000000005
[   37.278362][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.278809][  T423] R10: 00007f6c72435ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.279259][  T423] R13: 00000000686e4030 R14: 0000000000499600 R15: 0000000000000000
| [   37.392147][  T424] ------------[ cut here ]------------
| [ 37.393611][ T424] WARNING: CPU: 0 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) 
| [   37.394194][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.395223][  T424] Tainted: [W]=WARN
[   37.395442][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.395791][ 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) 
[ 37.396085][ T424] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.397083][  T424] RSP: 0018:ffffc90000a27140 EFLAGS: 00010246
[   37.397448][  T424] RAX: 0000000000000000 RBX: ffff888007c59000 RCX: 0000000000000001
[   37.397867][  T424] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   37.398290][  T424] RBP: ffffc90000a27230 R08: ffff88800bb0d000 R09: 0000000000000000
[   37.398709][  T424] R10: ffffc90000a275c8 R11: ffffffffaee50668 R12: 1ffff92000144e2c
[   37.399143][  T424] R13: 00000000000007d0 R14: ffffc90000a27880 R15: ffff88800b848760
[   37.399617][  T424] FS:  00007f8d72678800(0000) GS:ffff8880860b7000(0000) knlGS:0000000000000000
[   37.400103][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.400461][  T424] CR2: 00000000004e73f8 CR3: 000000000aa47001 CR4: 0000000000772ef0
[   37.400904][  T424] PKRU: 55555554
[   37.401137][  T424] Call Trace:
[   37.401371][  T424]  <TASK>
[ 37.401516][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.401839][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.402155][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.402480][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.402762][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.403040][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.403344][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.403676][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.404053][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.404354][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.404645][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.404939][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.405243][ 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) 
[ 37.405538][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.405910][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.406211][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.406499][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.406792][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.407088][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.407404][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.407697][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 37.407992][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.408303][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.408595][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.408964][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.409274][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.409569][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.409860][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.410156][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.410457][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.410753][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.411048][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.411357][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.411649][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.411943][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.412264][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.412576][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.412880][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.413196][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.413486][ 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) 
[ 37.413783][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.414076][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.414373][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.414672][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.414977][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.415311][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.415613][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.415912][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.416213][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.416604][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 37.416894][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.417215][ 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) 
[ 37.417594][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.417903][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.418214][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.418515][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.418807][ 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) 
[ 37.419099][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.419422][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 37.419724][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.420084][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.420397][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.420695][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.420989][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.421359][  T424] RIP: 0033:0x7f8d728451e7
[ 37.421648][ 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)
[   37.422801][  T424] RSP: 002b:00007ffcf5cc5f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.423302][  T424] RAX: ffffffffffffffda RBX: 00007ffcf5cc6650 RCX: 00007f8d728451e7
[   37.423745][  T424] RDX: 0000000000000000 RSI: 00007ffcf5cc5f90 RDI: 0000000000000005
[   37.424200][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.424634][  T424] R10: 00007f8d72742ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.425082][  T424] R13: 00000000686e4031 R14: 0000000000499600 R15: 0000000000000000
| [   37.600061][  T425] ------------[ cut here ]------------
| [ 37.600967][ T425] WARNING: CPU: 0 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) 
| [   37.601535][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.602672][  T425] Tainted: [W]=WARN
[   37.602886][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.603244][ 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) 
[ 37.603537][ T425] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.604542][  T425] RSP: 0018:ffffc90000a37140 EFLAGS: 00010246
[   37.604897][  T425] RAX: 0000000000000000 RBX: ffff88800984c000 RCX: 0000000000000001
[   37.605323][  T425] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   37.605766][  T425] RBP: ffffc90000a37230 R08: ffff88800a623800 R09: 0000000000000000
[   37.606194][  T425] R10: ffffc90000a375c8 R11: ffffffffaee50668 R12: 1ffff92000146e2c
[   37.606619][  T425] R13: 00000000000007d0 R14: ffffc90000a37880 R15: ffff888004d3e6e0
[   37.607034][  T425] FS:  00007fac25186800(0000) GS:ffff8880860b7000(0000) knlGS:0000000000000000
[   37.607568][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.607921][  T425] CR2: 00000000004e5ab8 CR3: 000000000a76e002 CR4: 0000000000772ef0
[   37.608355][  T425] PKRU: 55555554
[   37.608563][  T425] Call Trace:
[   37.608773][  T425]  <TASK>
[ 37.608942][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.609237][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.609517][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.609837][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.610118][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.610448][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.610730][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.611017][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.611383][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.611660][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.611941][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.612273][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.612565][ 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) 
[ 37.612841][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.613193][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.613475][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.613786][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.614063][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.614367][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.614657][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.614929][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 37.615216][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.615495][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.615770][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.616115][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.616408][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.616691][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.616974][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.617291][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.617566][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.617870][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.618152][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.618438][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.618717][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.619003][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.619293][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.619572][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.619850][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.620136][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.620418][ 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) 
[ 37.620697][ T425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.621008][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.621294][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.621576][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.621885][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.622164][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.622480][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.622763][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.623036][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.623412][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 37.623689][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.623970][ 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) 
[ 37.624329][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.624610][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.624899][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.625191][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.625477][ 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) 
[ 37.625786][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.626073][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 37.626367][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.626712][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.627032][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.627327][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.627609][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.627949][  T425] RIP: 0033:0x7fac253531e7
[ 37.628248][ 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)
[   37.629281][  T425] RSP: 002b:00007ffd18df01d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.629744][  T425] RAX: ffffffffffffffda RBX: 00007ffd18df0900 RCX: 00007fac253531e7
[   37.630161][  T425] RDX: 0000000000000000 RSI: 00007ffd18df0240 RDI: 0000000000000005
[   37.630588][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.631012][  T425] R10: 00007fac25250ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.631452][  T425] R13: 00000000686e4031 R14: 0000000000499600 R15: 0000000000000000
| [   37.745808][  T426] ------------[ cut here ]------------
| [ 37.746196][ T426] WARNING: CPU: 2 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) 
| [   37.746773][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.747760][  T426] Tainted: [W]=WARN
[   37.747992][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.748370][ 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) 
[ 37.748680][ T426] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.749707][  T426] RSP: 0018:ffffc90000a47140 EFLAGS: 00010246
[   37.750080][  T426] RAX: 0000000000000000 RBX: ffff8880087a1000 RCX: 0000000000000001
[   37.751779][  T426] RDX: 0000000000000000 RSI: ffffffffae09b941 RDI: ffffffffad8555e0
[   37.752280][  T426] RBP: ffffc90000a47230 R08: ffff88800bcc8800 R09: 0000000000000000
[   37.752721][  T426] R10: ffffc90000a475c8 R11: ffffffffaee50668 R12: 1ffff92000148e2c
[   37.753152][  T426] R13: 00000000000007d0 R14: ffffc90000a47880 R15: ffff888004d3ea60
[   37.753597][  T426] FS:  00007f1a7bc09800(0000) GS:ffff8880861b7000(0000) knlGS:0000000000000000
[   37.754097][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.754475][  T426] CR2: 00000000004e59c0 CR3: 00000000092df001 CR4: 0000000000772ef0
[   37.754942][  T426] PKRU: 55555554
[   37.755178][  T426] Call Trace:
[   37.755403][  T426]  <TASK>
[ 37.755562][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.755864][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.756154][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.756467][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.756763][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.757067][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.757377][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.757676][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.758043][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.758348][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.758643][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.758947][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.759261][ 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) 
[ 37.759558][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.759918][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.760222][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.760516][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.760809][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.761113][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.761416][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.761706][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 37.761999][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.762364][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.762659][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.763022][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.763333][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.763640][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.763940][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.764271][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.764566][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.764867][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.765204][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.765509][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.765801][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.766107][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.766530][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.766830][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.767122][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.767440][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.767736][ 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) 
[ 37.768034][ T426] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.768349][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.768639][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.768939][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.769275][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.769572][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.769878][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.770188][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.770489][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.770867][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 37.771198][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.771497][ 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) 
[ 37.771857][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.772190][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.772494][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.772802][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.773104][ 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) 
[ 37.773409][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.773708][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 37.773997][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.774368][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.774679][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.774978][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.775288][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.775646][  T426] RIP: 0033:0x7f1a7bdd61e7
[ 37.775963][ 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)
[   37.776997][  T426] RSP: 002b:00007ffce8b56a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.777461][  T426] RAX: ffffffffffffffda RBX: 00007ffce8b57130 RCX: 00007f1a7bdd61e7
[   37.777893][  T426] RDX: 0000000000000000 RSI: 00007ffce8b56a70 RDI: 0000000000000005
[   37.778356][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.778796][  T426] R10: 00007f1a7bcd3ee8 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