======================================
| [   20.867468][  T318] ip_gre: GRE over IPv4 tunneling driver
| [   20.928148][  T317] ------------[ cut here ]------------
| [ 20.928654][ T317] WARNING: CPU: 3 PID: 317 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.929326][  T317] Modules linked in: ip_gre gre 8021q vrf veth
[   20.930383][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.930794][ T317] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.931127][ T317] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.932305][  T317] RSP: 0018:ffffc90000617000 EFLAGS: 00010246
[   20.932724][  T317] RAX: 0000000000000000 RBX: ffff88800dcdc000 RCX: 0000000000000001
[   20.933223][  T317] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   20.933719][  T317] RBP: ffffc900006170e8 R08: ffff88800dcdc218 R09: 0000000000000000
[   20.934206][  T317] R10: ffffc90000617118 R11: ffffffffaa779160 R12: 1ffff920000c2e04
[   20.934847][  T317] R13: 00000000000005c0 R14: ffffc90000617118 R15: ffff88800dcdc218
[   20.935475][  T317] FS:  00007f1b7c1fd800(0000) GS:ffff88808a037000(0000) knlGS:0000000000000000
[   20.936055][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.936632][  T317] CR2: 00007fe8db565000 CR3: 00000000092b3004 CR4: 0000000000772ef0
[   20.937123][  T317] PKRU: 55555554
[   20.937525][  T317] Call Trace:
[   20.937775][  T317]  <TASK>
[ 20.937942][ T317] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.938495][ T317] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.938810][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.939131][ T317] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.939679][ T317] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.940007][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 20.940475][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.940817][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.941064][ T317] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.941537][ T317] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.941877][ T317] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.942207][ T317] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.942631][ T317] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.942951][ T317] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.943282][ T317] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.943624][ T317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.943931][ T317] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.944248][ T317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.944574][ T317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.944898][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.945207][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.945550][ T317] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.945883][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.946385][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.946715][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.947028][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.947357][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.947665][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.947983][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.948307][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.948633][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.948949][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.949272][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.956641][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.956964][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.957303][ T317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.957618][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.957924][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.958258][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.958591][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.958906][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.959244][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.959569][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.959884][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.960288][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 20.960616][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.960931][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.961259][ T317] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.961783][ T317] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.965173][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.965508][ T317] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.965837][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 20.966155][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.966490][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.966800][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.967112][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.967515][  T317] RIP: 0033:0x7f1b7c3ca1e7
[ 20.967842][ T317] Code: Unable to access opcode bytes at 0x7f1b7c3ca1bd.

Code starting with the faulting instruction
===========================================
[   20.968265][  T317] RSP: 002b:00007fff3acb0c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.968740][  T317] RAX: ffffffffffffffda RBX: 00007fff3acb13c0 RCX: 00007f1b7c3ca1e7
[   20.969206][  T317] RDX: 0000000000000000 RSI: 00007fff3acb0d00 RDI: 0000000000000005
[   20.969677][  T317] RBP: 0000000000000008 R08: 00000000000000a8 R09: 0000000000000000
[   20.970392][  T317] R10: 00007f1b7c2c26f8 R11: 0000000000000246 R12: 00007fff3acb13e0
[   20.971228][  T317] R13: 00000000686e22f2 R14: 0000000000499600 R15: 00007fff3acb0de4
| [   23.406379][  T343] ------------[ cut here ]------------
| [ 23.406797][ T343] WARNING: CPU: 2 PID: 343 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) 
| [   23.407455][  T343] Modules linked in: ip_gre gre 8021q vrf veth
| [   23.408536][  T343] Tainted: [W]=WARN
[   23.408788][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.409192][ T343] 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) 
[ 23.409536][ T343] 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
[   23.410650][  T343] RSP: 0018:ffffc90000507000 EFLAGS: 00010246
[   23.411055][  T343] RAX: 0000000000000000 RBX: ffff888008124000 RCX: 0000000000000001
[   23.411535][  T343] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   23.412012][  T343] RBP: ffffc900005070e8 R08: ffff888008124218 R09: 0000000000000000
[   23.413101][  T343] R10: ffffc90000507118 R11: ffffffffaa779160 R12: 1ffff920000a0e04
[   23.413579][  T343] R13: 000000000000ffe3 R14: ffffc90000507118 R15: ffff888008124218
[   23.414059][  T343] FS:  00007ff378987800(0000) GS:ffff888089fb7000(0000) knlGS:0000000000000000
[   23.414713][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.415113][  T343] CR2: 00000000004200f0 CR3: 000000000dda4006 CR4: 0000000000772ef0
[   23.415600][  T343] PKRU: 55555554
[   23.415886][  T343] Call Trace:
[   23.416134][  T343]  <TASK>
[ 23.416319][ T343] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.416830][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.417200][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.417602][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.417965][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.418358][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.418642][ T343] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.419013][ T343] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.419400][ T343] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.419776][ T343] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.420235][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.420612][ T343] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.420983][ T343] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.421385][ T343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.421754][ T343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.422121][ T343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.422504][ T343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.422879][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.423252][ T343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.423622][ T343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.424010][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.424392][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.424769][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.425129][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.425506][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.425869][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.426240][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.426614][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.426983][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.427372][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.427738][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.428108][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.428480][ T343] ? 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) 
[ 23.428843][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.429211][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.429585][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.429951][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.430323][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.430689][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.431060][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.431441][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.431803][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.432281][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.432647][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.433010][ T343] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.433391][ T343] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.433676][ T343] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.434035][ T343] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.434415][ T343] ? mt_find (lib/maple_tree.c:6938) 
[ 23.434711][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.435073][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.435441][ T343] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.435816][ T343] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.436180][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.436563][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.436929][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.437400][  T343] RIP: 0033:0x7ff378b541e7
[ 23.437774][ T343] 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)
[   23.439039][  T343] RSP: 002b:00007ffd6156cf98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.439599][  T343] RAX: ffffffffffffffda RBX: 00007ffd6156d6c0 RCX: 00007ff378b541e7
[   23.440135][  T343] RDX: 0000000000000000 RSI: 00007ffd6156d000 RDI: 0000000000000005
[   23.440678][  T343] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   23.441240][  T343] R10: 00007ff378be2ac0 R11: 0000000000000246 R12: 00007ffd6156d6e0
[   23.441778][  T343] R13: 00000000686e22f5 R14: 0000000000499600 R15: 00007ffd6156d0e4
| [   37.393049][  T389] ------------[ cut here ]------------
| [ 37.394037][ T389] WARNING: CPU: 1 PID: 389 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) 
| [   37.395024][  T389] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.397126][  T389] Tainted: [W]=WARN
[   37.397520][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.398131][ T389] 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) 
[ 37.398640][ T389] 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
[   37.400384][  T389] RSP: 0018:ffffc90000787140 EFLAGS: 00010246
[   37.401020][  T389] RAX: 0000000000000000 RBX: ffff8880051a1000 RCX: 0000000000000001
[   37.401783][  T389] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   37.402553][  T389] RBP: ffffc90000787230 R08: ffff888008f12000 R09: 0000000000000000
[   37.403328][  T389] R10: ffffc900007875c8 R11: ffffffffab050668 R12: 1ffff920000f0e2c
[   37.404096][  T389] R13: 00000000000007d0 R14: ffffc90000787880 R15: ffff88800c2e8e60
[   37.404878][  T389] FS:  00007f77319f4800(0000) GS:ffff888089f37000(0000) knlGS:0000000000000000
[   37.405784][  T389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.406436][  T389] CR2: 00000000004e5aa0 CR3: 000000000e7ae003 CR4: 0000000000772ef0
[   37.407177][  T389] PKRU: 55555554
[   37.407575][  T389] Call Trace:
[   37.407809][  T389]  <TASK>
[ 37.407961][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.408286][ T389] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.408590][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.408889][ T389] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.409191][ T389] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.409624][ T389] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.409998][ T389] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.410315][ T389] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.410710][ T389] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.411017][ T389] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.411327][ T389] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.411644][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.411948][ T389] ? __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) 
[ 37.412263][ T389] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.412646][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.412947][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.413249][ T389] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.413555][ T389] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.413857][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.414157][ T389] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.414474][ T389] ? __create_object (mm/kmemleak.c:771) 
[ 37.414773][ T389] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.415068][ T389] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.415382][ T389] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.415759][ T389] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.416063][ T389] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.416439][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.416734][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.417035][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.417389][ T389] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.417685][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.417983][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.418284][ T389] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.418589][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.418898][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.419198][ T389] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.419524][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.419821][ T389] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.420129][ T389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.420444][ T389] ? 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) 
[ 37.420738][ T389] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.421039][ T389] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.421342][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.421711][ T389] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.422008][ T389] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.422314][ T389] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.422625][ T389] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.422921][ T389] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.423230][ T389] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.423618][ T389] ___sys_sendmsg (net/socket.c:2670) 
[ 37.423909][ T389] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.424202][ T389] ? __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) 
[ 37.424594][ T389] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.424896][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.425196][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.425525][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.425820][ T389] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.426114][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.426435][ T389] __sys_sendmsg (net/socket.c:2700) 
[ 37.426737][ T389] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.427104][ T389] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.427461][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.427751][ T389] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.428032][ T389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.428398][  T389] RIP: 0033:0x7f7731bc11e7
[ 37.428689][ T389] 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)
[   37.429697][  T389] RSP: 002b:00007ffd0f3e3638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.430119][  T389] RAX: ffffffffffffffda RBX: 00007ffd0f3e3d60 RCX: 00007f7731bc11e7
[   37.430558][  T389] RDX: 0000000000000000 RSI: 00007ffd0f3e36a0 RDI: 0000000000000005
[   37.430972][  T389] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.431410][  T389] R10: 00007f7731abeee8 R11: 0000000000000246 R12: 0000000000000004
[   37.431832][  T389] R13: 00000000686e2303 R14: 0000000000499600 R15: 0000000000000000
| [   37.564247][  T390] ------------[ cut here ]------------
| [ 37.564917][ T390] WARNING: CPU: 2 PID: 390 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) 
| [   37.565961][  T390] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.567692][  T390] Tainted: [W]=WARN
[   37.568084][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.568704][ T390] 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) 
[ 37.569207][ T390] 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
[   37.570946][  T390] RSP: 0018:ffffc90000787140 EFLAGS: 00010246
[   37.571578][  T390] RAX: 0000000000000000 RBX: ffff888007351000 RCX: 0000000000000001
[   37.572312][  T390] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   37.573030][  T390] RBP: ffffc90000787230 R08: ffff88800e61e800 R09: 0000000000000000
[   37.573790][  T390] R10: ffffc900007875c8 R11: ffffffffab050668 R12: 1ffff920000f0e2c
[   37.574546][  T390] R13: 00000000000007d0 R14: ffffc90000787880 R15: ffff88800c2e98e0
[   37.575325][  T390] FS:  00007f3e6a894800(0000) GS:ffff888089fb7000(0000) knlGS:0000000000000000
[   37.576172][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.576827][  T390] CR2: 00000000004e5aa8 CR3: 000000000e7ae006 CR4: 0000000000772ef0
[   37.577617][  T390] PKRU: 55555554
[   37.578002][  T390] Call Trace:
[   37.578403][  T390]  <TASK>
[ 37.578673][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.579165][ T390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.579672][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.580171][ T390] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.580698][ T390] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.581189][ T390] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.581708][ T390] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.582235][ T390] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.582785][ T390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.583313][ T390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.583829][ T390] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.584357][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.584894][ T390] ? __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) 
[ 37.585429][ T390] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.586063][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.586596][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.587097][ T390] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.587520][ T390] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.587817][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.588104][ T390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.588403][ T390] ? __create_object (mm/kmemleak.c:771) 
[ 37.588696][ T390] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.588988][ T390] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.589287][ T390] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.589645][ T390] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.589954][ T390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.590268][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.590557][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.590850][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.591136][ T390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.591433][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.591723][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.592008][ T390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.592320][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.592611][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.592903][ T390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.593197][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.593497][ T390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.593797][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.594083][ T390] ? 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) 
[ 37.594394][ T390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.594685][ T390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.594972][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.595282][ T390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.595575][ T390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.595864][ T390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.596162][ T390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.596472][ T390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.596760][ T390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.597132][ T390] ___sys_sendmsg (net/socket.c:2670) 
[ 37.597452][ T390] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.597740][ T390] ? __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) 
[ 37.598105][ T390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.598408][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.598713][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.599008][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.599312][ T390] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.599607][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.599905][ T390] __sys_sendmsg (net/socket.c:2700) 
[ 37.600195][ T390] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.600568][ T390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.600877][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.601171][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.601474][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.601829][  T390] RIP: 0033:0x7f3e6aa611e7
[ 37.602126][ T390] 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)
[   37.603143][  T390] RSP: 002b:00007ffd5ec690a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.603588][  T390] RAX: ffffffffffffffda RBX: 00007ffd5ec697d0 RCX: 00007f3e6aa611e7
[   37.604019][  T390] RDX: 0000000000000000 RSI: 00007ffd5ec69110 RDI: 0000000000000005
[   37.604458][  T390] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.604900][  T390] R10: 00007f3e6a95eee8 R11: 0000000000000246 R12: 0000000000000004
[   37.605339][  T390] R13: 00000000686e2303 R14: 0000000000499600 R15: 0000000000000000
| [   37.726378][  T391] ------------[ cut here ]------------
| [ 37.726705][ T391] WARNING: CPU: 0 PID: 391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.727314][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.728285][  T391] Tainted: [W]=WARN
[   37.728497][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.728846][ T391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.729140][ T391] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.730133][  T391] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   37.730494][  T391] RAX: 0000000000000000 RBX: ffff88800dcdc000 RCX: 0000000000000001
[   37.730905][  T391] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   37.731327][  T391] RBP: ffffc900004d7230 R08: ffff888005493800 R09: 0000000000000000
[   37.731748][  T391] R10: ffffc900004d75c8 R11: ffffffffab050668 R12: 1ffff9200009ae2c
[   37.732167][  T391] R13: 00000000000007d0 R14: ffffc900004d7880 R15: ffff88800c2ea360
[   37.733185][  T391] FS:  00007f34f016d800(0000) GS:ffff888089eb7000(0000) knlGS:0000000000000000
[   37.733685][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.734046][  T391] CR2: 00000000004e73b8 CR3: 0000000008cfa003 CR4: 0000000000772ef0
[   37.734479][  T391] PKRU: 55555554
[   37.734690][  T391] Call Trace:
[   37.734898][  T391]  <TASK>
[ 37.735038][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.735346][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.735623][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.735902][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.736176][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.736467][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.736748][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.737032][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.737437][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.737716][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.737992][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.738294][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.738580][ T391] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.738856][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.739197][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.739487][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.739764][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.740038][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.740324][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.740609][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.740884][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 37.741172][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.741475][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.741752][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.742095][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.742387][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.742669][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.742948][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.743243][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.743526][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.743874][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.744165][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.744460][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.744739][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.745024][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.745313][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.745592][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.745870][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.746158][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.746440][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.746717][ T391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.747001][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.747322][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.747615][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.747898][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.748176][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.748477][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.748764][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.749037][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.749410][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 37.749688][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.749967][ T391] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.750320][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.750601][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.750878][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.751158][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.751450][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.751728][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.752010][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 37.752298][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.752642][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.752928][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.753207][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.753508][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.753850][  T391] RIP: 0033:0x7f34f033a1e7
[ 37.754139][ T391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.755135][  T391] RSP: 002b:00007ffdfe60c638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.755569][  T391] RAX: ffffffffffffffda RBX: 00007ffdfe60cd60 RCX: 00007f34f033a1e7
[   37.755980][  T391] RDX: 0000000000000000 RSI: 00007ffdfe60c6a0 RDI: 0000000000000005
[   37.756404][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.756820][  T391] R10: 00007f34f0237ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.757260][  T391] R13: 00000000686e2303 R14: 0000000000499600 R15: 0000000000000000
| [   37.873926][  T392] ------------[ cut here ]------------
| [ 37.874273][ T392] WARNING: CPU: 3 PID: 392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.874839][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.875824][  T392] Tainted: [W]=WARN
[   37.876032][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.877582][ T392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.877874][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.878883][  T392] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   37.879254][  T392] RAX: 0000000000000000 RBX: ffff88800a111000 RCX: 0000000000000001
[   37.879665][  T392] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   37.880088][  T392] RBP: ffffc900004d7230 R08: ffff88800961d000 R09: 0000000000000000
[   37.880525][  T392] R10: ffffc900004d75c8 R11: ffffffffab050668 R12: 1ffff9200009ae2c
[   37.880944][  T392] R13: 00000000000007d0 R14: ffffc900004d7880 R15: ffff88800c2eade0
[   37.881372][  T392] FS:  00007f664c6f4800(0000) GS:ffff88808a037000(0000) knlGS:0000000000000000
[   37.881858][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.882210][  T392] CR2: 00000000004e5ab0 CR3: 000000000a32e005 CR4: 0000000000772ef0
[   37.882637][  T392] PKRU: 55555554
[   37.882849][  T392] Call Trace:
[   37.883057][  T392]  <TASK>
[ 37.883197][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.883492][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.883773][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.884053][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.884348][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.884627][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.884909][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.885190][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.885555][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.885834][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.886111][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.886399][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.886681][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.886956][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.887314][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.887595][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.887876][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.888148][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.888448][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.888742][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.889014][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 37.889319][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.889601][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.889880][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.890232][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.890515][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.890795][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.891066][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.891356][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.891632][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.891903][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.892179][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.892475][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.892752][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.893029][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.893317][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.893595][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.893868][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.894155][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.894436][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.894712][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.894990][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.895271][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.895549][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.895827][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.896105][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.896407][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.896690][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.896964][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.897338][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 37.897608][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.897882][ T392] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.898237][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.898513][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.898790][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.899073][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.899356][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.899631][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.899914][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 37.900185][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.900544][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.900831][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.901108][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.901392][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.901731][  T392] RIP: 0033:0x7f664c8c11e7
[ 37.902013][ T392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.903004][  T392] RSP: 002b:00007ffc5d162318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.903429][  T392] RAX: ffffffffffffffda RBX: 00007ffc5d162a40 RCX: 00007f664c8c11e7
[   37.903841][  T392] RDX: 0000000000000000 RSI: 00007ffc5d162380 RDI: 0000000000000005
[   37.904267][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.904675][  T392] R10: 00007f664c7beee8 R11: 0000000000000246 R12: 0000000000000004
[   37.905085][  T392] R13: 00000000686e2303 R14: 0000000000499600 R15: 0000000000000000
| [   38.008953][  T393] ------------[ cut here ]------------
| [ 38.009328][ T393] WARNING: CPU: 2 PID: 393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.009904][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.010878][  T393] Tainted: [W]=WARN
[   38.011106][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.012623][ T393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.012939][ T393] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.013966][  T393] RSP: 0018:ffffc90000a37140 EFLAGS: 00010246
[   38.014346][  T393] RAX: 0000000000000000 RBX: ffff8880079a4000 RCX: 0000000000000001
[   38.014774][  T393] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   38.015203][  T393] RBP: ffffc90000a37230 R08: ffff88800b240800 R09: 0000000000000000
[   38.015649][  T393] R10: ffffc90000a375c8 R11: ffffffffab050668 R12: 1ffff92000146e2c
[   38.016084][  T393] R13: 00000000000007d0 R14: ffffc90000a37880 R15: ffff88800c2eb860
[   38.016529][  T393] FS:  00007fa4aacd3800(0000) GS:ffff888089fb7000(0000) knlGS:0000000000000000
[   38.017030][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.017420][  T393] CR2: 00000000004e55b8 CR3: 000000000e7ae002 CR4: 0000000000772ef0
[   38.017850][  T393] PKRU: 55555554
[   38.018075][  T393] Call Trace:
[   38.018306][  T393]  <TASK>
[ 38.018463][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.018767][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.019058][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.019369][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.019665][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.019956][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.020260][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.020557][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.020920][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.021210][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.021517][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.021811][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.022103][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.022409][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.022764][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.023060][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.023363][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.023662][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.023950][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.024252][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.024542][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 38.024833][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.025125][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.025426][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.025783][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.026082][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.026392][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.026678][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.026975][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.027283][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.027571][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.027861][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.028148][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.028453][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.028748][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.029041][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.029345][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.029634][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.029934][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.030229][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.030530][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.030820][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.031105][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.031409][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.031703][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.031991][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.032297][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.032601][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.032892][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.033278][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 38.033566][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.033857][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.034228][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.034521][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.034883][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.035179][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.035483][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.035774][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.036067][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 38.036369][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.036722][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.037033][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.037352][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.037645][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.037997][  T393] RIP: 0033:0x7fa4aaea01e7
[ 38.038309][ T393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.039320][  T393] RSP: 002b:00007fffc261f478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.039752][  T393] RAX: ffffffffffffffda RBX: 00007fffc261fba0 RCX: 00007fa4aaea01e7
[   38.040174][  T393] RDX: 0000000000000000 RSI: 00007fffc261f4e0 RDI: 0000000000000005
[   38.040615][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.041048][  T393] R10: 00007fa4aad9dee8 R11: 0000000000000246 R12: 0000000000000004
[   38.041485][  T393] R13: 00000000686e2303 R14: 0000000000499600 R15: 0000000000000000
| [   38.148485][  T394] ------------[ cut here ]------------
| [ 38.148805][ T394] WARNING: CPU: 3 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.150888][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.151839][  T394] Tainted: [W]=WARN
[   38.152048][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.152408][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.152695][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.153695][  T394] RSP: 0018:ffffc90000a57140 EFLAGS: 00010246
[   38.154042][  T394] RAX: 0000000000000000 RBX: ffff88800c354000 RCX: 0000000000000001
[   38.154461][  T394] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   38.154871][  T394] RBP: ffffc90000a57230 R08: ffff88800a746800 R09: 0000000000000000
[   38.155297][  T394] R10: ffffc90000a575c8 R11: ffffffffab050668 R12: 1ffff9200014ae2c
[   38.155712][  T394] R13: 00000000000007d0 R14: ffffc90000a57880 R15: ffff888005b8f160
[   38.156123][  T394] FS:  00007fc1d6c3d800(0000) GS:ffff88808a037000(0000) knlGS:0000000000000000
[   38.156612][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.156968][  T394] CR2: 00000000004e5ac8 CR3: 000000000a32e001 CR4: 0000000000772ef0
[   38.157408][  T394] PKRU: 55555554
[   38.157617][  T394] Call Trace:
[   38.157825][  T394]  <TASK>
[ 38.157966][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.158265][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.158539][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.158824][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.159105][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.159390][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.159702][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.159985][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.160348][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.160625][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.160905][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.161184][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.161479][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.161760][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.162103][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.162386][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.162661][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.162941][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.163227][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.163507][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.163785][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 38.164069][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.164363][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.164640][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.164991][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.165284][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.165565][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.165839][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.166119][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.166405][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.166677][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.166956][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.167261][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.167541][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.167819][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.168097][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.168383][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.168657][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.168942][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.169229][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.169509][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.169785][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.170057][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.170348][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.170627][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.170901][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.171194][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.171493][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.171766][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.172116][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 38.172397][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.172675][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.173017][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.173317][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.173596][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.173874][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.174149][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.174434][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.174716][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 38.174986][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.175336][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.175632][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.175909][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.176183][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.176535][  T394] RIP: 0033:0x7fc1d6e0a1e7
[ 38.176822][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.177829][  T394] RSP: 002b:00007ffc24a28a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.178252][  T394] RAX: ffffffffffffffda RBX: 00007ffc24a29190 RCX: 00007fc1d6e0a1e7
[   38.178665][  T394] RDX: 0000000000000000 RSI: 00007ffc24a28ad0 RDI: 0000000000000005
[   38.179077][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.179505][  T394] R10: 00007fc1d6d07ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.179917][  T394] R13: 00000000686e2303 R14: 0000000000499600 R15: 0000000000000000
| [   38.316206][  T395] ------------[ cut here ]------------
| [ 38.316598][ T395] WARNING: CPU: 2 PID: 395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.317171][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.318196][  T395] Tainted: [W]=WARN
[   38.318449][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.318841][ T395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.319158][ T395] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.320183][  T395] RSP: 0018:ffffc90000a67140 EFLAGS: 00010246
[   38.320583][  T395] RAX: 0000000000000000 RBX: ffff88800c351000 RCX: 0000000000000001
[   38.321010][  T395] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   38.321669][  T395] RBP: ffffc90000a67230 R08: ffff88800ac03800 R09: 0000000000000000
[   38.322115][  T395] R10: ffffc90000a675c8 R11: ffffffffab050668 R12: 1ffff9200014ce2c
[   38.322569][  T395] R13: 00000000000007d0 R14: ffffc90000a67880 R15: ffff88800a760e60
[   38.323023][  T395] FS:  00007fc10d751800(0000) GS:ffff888089fb7000(0000) knlGS:0000000000000000
[   38.323531][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.323903][  T395] CR2: 00000000004e5ac0 CR3: 000000000e7ae005 CR4: 0000000000772ef0
[   38.324375][  T395] PKRU: 55555554
[   38.324597][  T395] Call Trace:
[   38.324825][  T395]  <TASK>
[ 38.324979][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.325292][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.325582][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.325874][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.326161][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.326458][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.326759][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.327072][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.327471][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.327779][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.328068][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.328397][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.328701][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.329009][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.329394][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.329702][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.330002][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.330320][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.330631][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.330918][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.331231][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 38.331537][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.331829][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.332115][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.332483][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.332791][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.333086][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.333387][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.333692][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.333982][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.334281][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.334570][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.334872][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.335179][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.335494][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.335804][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.336115][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.336428][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.336744][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.337045][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.337366][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.337657][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.337941][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.338254][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.338547][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.338836][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.339129][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.339435][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.339738][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.340119][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 38.340450][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.340762][ T395] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.341143][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.341463][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.341760][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.342067][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.342368][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.342667][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.342977][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 38.343277][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.343631][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.343946][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.344267][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.344575][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.344932][  T395] RIP: 0033:0x7fc10d91e1e7
[ 38.345263][ T395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.346309][  T395] RSP: 002b:00007ffe2bf247f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.346737][  T395] RAX: ffffffffffffffda RBX: 00007ffe2bf24f20 RCX: 00007fc10d91e1e7
[   38.347169][  T395] RDX: 0000000000000000 RSI: 00007ffe2bf24860 RDI: 0000000000000005
[   38.347642][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.348069][  T395] R10: 00007fc10d81bee8 R11: 0000000000000246 R12: 0000000000000004
[   38.348507][  T395] R13: 00000000686e2304 R14: 0000000000499600 R15: 0000000000000000
| [   38.488887][  T396] ------------[ cut here ]------------
| [ 38.489211][ T396] WARNING: CPU: 0 PID: 396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.489794][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.490727][  T396] Tainted: [W]=WARN
[   38.490941][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.492061][ T396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.492365][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.493351][  T396] RSP: 0018:ffffc90000ac7140 EFLAGS: 00010246
[   38.493698][  T396] RAX: 0000000000000000 RBX: ffff888008124000 RCX: 0000000000000001
[   38.494111][  T396] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   38.494535][  T396] RBP: ffffc90000ac7230 R08: ffff888002270800 R09: 0000000000000000
[   38.494956][  T396] R10: ffffc90000ac75c8 R11: ffffffffab050668 R12: 1ffff92000158e2c
[   38.495383][  T396] R13: 00000000000007d0 R14: ffffc90000ac7880 R15: ffff88800b880ae0
[   38.495807][  T396] FS:  00007f50b950f800(0000) GS:ffff888089eb7000(0000) knlGS:0000000000000000
[   38.496306][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.496662][  T396] CR2: 00000000004e73d0 CR3: 0000000004db6001 CR4: 0000000000772ef0
[   38.497084][  T396] PKRU: 55555554
[   38.497325][  T396] Call Trace:
[   38.497534][  T396]  <TASK>
[ 38.497683][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.497967][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.498253][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.498535][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.498815][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.499107][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.499402][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.499693][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.500041][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.500331][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.500604][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.500881][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.501160][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.501448][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.501794][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.502073][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.502360][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.502636][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.502920][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.503257][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.503539][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 38.503837][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.504118][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.504407][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.504747][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.505033][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.505339][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.505612][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.505894][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.506179][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.506463][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.506744][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.507021][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.507366][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.507653][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.507934][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.508209][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.508513][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.508800][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.509081][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.509369][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.509647][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.509920][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.510204][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.510491][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.510767][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.511055][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.511351][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.511629][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.511986][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 38.512271][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.512559][ T396] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.512904][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.513182][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.513499][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.513783][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.514069][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.514359][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.514651][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 38.514923][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.515272][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.515559][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.515837][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.516113][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.516465][  T396] RIP: 0033:0x7f50b96dc1e7
[ 38.516759][ T396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.517772][  T396] RSP: 002b:00007ffcaa1a5c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.518188][  T396] RAX: ffffffffffffffda RBX: 00007ffcaa1a6360 RCX: 00007f50b96dc1e7
[   38.518619][  T396] RDX: 0000000000000000 RSI: 00007ffcaa1a5ca0 RDI: 0000000000000005
[   38.519031][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.519452][  T396] R10: 00007f50b95d9ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.519868][  T396] R13: 00000000686e2304 R14: 0000000000499600 R15: 0000000000000000
| [   38.678905][  T397] ------------[ cut here ]------------
| [ 38.679454][ T397] WARNING: CPU: 3 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.680427][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.682093][  T397] Tainted: [W]=WARN
[   38.682788][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.683414][ T397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.683919][ T397] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.685664][  T397] RSP: 0018:ffffc90000ac7140 EFLAGS: 00010246
[   38.686323][  T397] RAX: 0000000000000000 RBX: ffff88800a114000 RCX: 0000000000000001
[   38.687066][  T397] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   38.687834][  T397] RBP: ffffc90000ac7230 R08: ffff888005a9a000 R09: 0000000000000000
[   38.688605][  T397] R10: ffffc90000ac75c8 R11: ffffffffab050668 R12: 1ffff92000158e2c
[   38.689376][  T397] R13: 00000000000007d0 R14: ffffc90000ac7880 R15: ffff88800b8803e0
[   38.690104][  T397] FS:  00007f1192ce4800(0000) GS:ffff88808a037000(0000) knlGS:0000000000000000
[   38.690978][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.691619][  T397] CR2: 00000000004e5ab8 CR3: 0000000008639005 CR4: 0000000000772ef0
[   38.692384][  T397] PKRU: 55555554
[   38.692760][  T397] Call Trace:
[   38.693128][  T397]  <TASK>
[ 38.693392][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.693900][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.694412][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.694911][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.695424][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.695928][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.696458][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.696967][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.697491][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.697768][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.698042][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.698338][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.698618][ T397] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.698894][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.699247][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.699524][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.699796][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.700068][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.700360][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.700637][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.700907][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 38.701185][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.701476][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.701750][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.702092][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.702382][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.702671][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.702943][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.703231][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.703506][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.703776][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.704053][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.704335][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.704610][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.704894][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.705175][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.705461][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.705738][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.706024][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.706304][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.706580][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.706868][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.707144][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.707449][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.707730][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.708007][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.708301][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.708583][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.708865][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.709230][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 38.709504][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.709779][ T397] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.710129][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.710416][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.710694][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.710986][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.711269][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.711543][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.711824][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 38.712096][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.712444][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.712732][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.713013][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.713299][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.713640][  T397] RIP: 0033:0x7f1192eb11e7
[ 38.713929][ T397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.714922][  T397] RSP: 002b:00007ffeaa9b2698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.715355][  T397] RAX: ffffffffffffffda RBX: 00007ffeaa9b2dc0 RCX: 00007f1192eb11e7
[   38.715766][  T397] RDX: 0000000000000000 RSI: 00007ffeaa9b2700 RDI: 0000000000000005
[   38.716177][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.716592][  T397] R10: 00007f1192daeee8 R11: 0000000000000246 R12: 0000000000000004
[   38.717009][  T397] R13: 00000000686e2304 R14: 0000000000499600 R15: 0000000000000000
| [   38.816685][  T398] ------------[ cut here ]------------
| [ 38.817007][ T398] WARNING: CPU: 3 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.817597][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.819168][  T398] Tainted: [W]=WARN
[   38.819390][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.819735][ T398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.820020][ T398] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.821016][  T398] RSP: 0018:ffffc90000af7140 EFLAGS: 00010246
[   38.821371][  T398] RAX: 0000000000000000 RBX: ffff88800ba71000 RCX: 0000000000000001
[   38.821783][  T398] RDX: 0000000000000000 RSI: ffffffffaa29b941 RDI: ffffffffa9a555e0
[   38.822197][  T398] RBP: ffffc90000af7230 R08: ffff88800b2b2000 R09: 0000000000000000
[   38.822624][  T398] R10: ffffc90000af75c8 R11: ffffffffab050668 R12: 1ffff9200015ee2c
[   38.823036][  T398] R13: 00000000000007d0 R14: ffffc90000af7880 R15: ffff88800b8818e0
[   38.823462][  T398] FS:  00007f302e91b800(0000) GS:ffff88808a037000(0000) knlGS:0000000000000000
[   38.823947][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.824311][  T398] CR2: 00000000004e59c0 CR3: 000000000e7ae006 CR4: 0000000000772ef0
[   38.824727][  T398] PKRU: 55555554
[   38.824934][  T398] Call Trace:
[   38.825140][  T398]  <TASK>
[ 38.825292][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.825578][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.825851][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.826134][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.826463][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.826748][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.827033][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.827342][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.827693][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.827969][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.828259][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.828542][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.828819][ T398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.829093][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.829447][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.829724][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.829999][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.830291][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.830570][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.830843][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.831117][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 38.831410][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.831692][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.831967][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.832317][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.832605][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.832885][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.833159][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.833454][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.833729][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.834003][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.834288][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.834560][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.834841][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.835121][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.835414][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.835689][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.835970][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.836269][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.836542][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.836823][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.837099][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.837390][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.837669][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.837946][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.838236][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.838520][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.838805][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.839082][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.839447][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 38.839722][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.839996][ T398] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.840354][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.840637][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.840918][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.841197][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.841485][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.841762][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.842047][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 38.842332][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.842672][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.842963][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.843249][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.843524][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.843867][  T398] RIP: 0033:0x7f302eae81e7
[ 38.844155][ T398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.845156][  T398] RSP: 002b:00007ffe48146888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.845588][  T398] RAX: ffffffffffffffda RBX: 00007ffe48146fb0 RCX: 00007f302eae81e7
[   38.846006][  T398] RDX: 0000000000000000 RSI: 00007ffe481468f0 RDI: 0000000000000005
[   38.846430][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.846849][  T398] R10: 00007f302e9e5ee8 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