======================================
| [   23.059655][  T337] ip_gre: GRE over IPv4 tunneling driver
| [   23.120403][  T336] ------------[ cut here ]------------
| [ 23.121032][ T336] WARNING: CPU: 0 PID: 336 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) 
| [   23.121674][  T336] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   23.122803][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.123205][ T336] 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) 
[ 23.123552][ T336] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.124791][  T336] RSP: 0018:ffffc900005d7000 EFLAGS: 00010246
[   23.125208][  T336] RAX: 0000000000000000 RBX: ffff888004d39000 RCX: 0000000000000001
[   23.125695][  T336] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   23.126373][  T336] RBP: ffffc900005d70e8 R08: ffff888004d39218 R09: 0000000000000000
[   23.126853][  T336] R10: ffffc900005d7118 R11: dffffc0000000000 R12: 1ffff920000bae04
[   23.127333][  T336] R13: 00000000000005c0 R14: ffffc900005d7118 R15: ffff888004d39218
[   23.127804][  T336] FS:  00007fadef776800(0000) GS:ffff8880812b7000(0000) knlGS:0000000000000000
[   23.128342][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.128752][  T336] CR2: 00007f57f33afd40 CR3: 0000000011589005 CR4: 0000000000772ef0
[   23.129220][  T336] PKRU: 55555554
[   23.129468][  T336] Call Trace:
[   23.129706][  T336]  <TASK>
[ 23.129873][ T336] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.130274][ T336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.130603][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.130923][ T336] netif_set_mtu (net/core/dev.c:9652) 
[ 23.131231][ T336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.131561][ T336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.131804][ T336] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.132109][ T336] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.132455][ T336] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.132768][ T336] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.133148][ T336] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.145491][ T336] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.146047][ T336] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 23.146371][ T336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.147127][ T336] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.147438][ T336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.147755][ T336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.148066][ T336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.148595][ T336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.148923][ T336] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.149253][ T336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.149575][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.149894][ T336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.150421][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.150761][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.151299][ T336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.151616][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.152398][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.152728][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.153050][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.153387][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.153806][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.154117][ T336] ? 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) 
[ 23.154436][ T336] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.155204][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.155531][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.155847][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.156188][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.156508][ T336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.156823][ T336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.157826][ T336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.158154][ T336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.158559][ T336] ___sys_sendmsg (net/socket.c:2670) 
[ 23.159357][ T336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.159709][ T336] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.160260][ T336] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.160505][ T336] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.160814][ T336] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.161120][ T336] ? mt_find (lib/maple_tree.c:6938) 
[ 23.161370][ T336] __sys_sendmsg (net/socket.c:2700) 
[ 23.161698][ T336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.162008][ T336] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.162325][ T336] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.162643][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.162952][ T336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.163263][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.163674][  T336] RIP: 0033:0x7fadef9431e7
[ 23.164247][ T336] Code: Unable to access opcode bytes at 0x7fadef9431bd.

Code starting with the faulting instruction
===========================================
[   23.164656][  T336] RSP: 002b:00007ffcc3f919b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.165131][  T336] RAX: ffffffffffffffda RBX: 00007ffcc3f920e0 RCX: 00007fadef9431e7
[   23.165613][  T336] RDX: 0000000000000000 RSI: 00007ffcc3f91a20 RDI: 0000000000000005
[   23.166081][  T336] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   23.166569][  T336] R10: 00007fadef9d1ac0 R11: 0000000000000246 R12: 00007ffcc3f92100
[   23.167032][  T336] R13: 00000000686e754c R14: 0000000000499600 R15: 00007ffcc3f91b04
| [   26.438716][  T372] ------------[ cut here ]------------
| [ 26.439118][ T372] WARNING: CPU: 2 PID: 372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   26.439774][  T372] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   26.440846][  T372] Tainted: [W]=WARN
[   26.441118][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.441541][ T372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 26.441883][ T372] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.443013][  T372] RSP: 0018:ffffc900007d7000 EFLAGS: 00010246
[   26.443432][  T372] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   26.443919][  T372] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   26.444397][  T372] RBP: ffffc900007d70e8 R08: ffff888008ca9218 R09: 0000000000000000
[   26.444882][  T372] R10: ffffc900007d7118 R11: dffffc0000000000 R12: 1ffff920000fae04
[   26.445374][  T372] R13: 00000000000005c0 R14: ffffc900007d7118 R15: ffff888008ca9218
[   26.445858][  T372] FS:  00007fd58c558800(0000) GS:ffff8880813b7000(0000) knlGS:0000000000000000
[   26.446404][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.446815][  T372] CR2: 00000000004200f0 CR3: 0000000015751004 CR4: 0000000000772ef0
[   26.447296][  T372] PKRU: 55555554
[   26.447553][  T372] Call Trace:
[   26.447795][  T372]  <TASK>
[ 26.447965][ T372] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 26.448368][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.448702][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.449031][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 26.449348][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.449699][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.449955][ T372] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 26.450276][ T372] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 26.450619][ T372] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 26.450947][ T372] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 26.451343][ T372] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 26.451683][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 26.452008][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 26.452334][ T372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 26.452666][ T372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 26.452989][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.453311][ T372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 26.453662][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.453983][ T372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 26.454305][ T372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 26.454663][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.454990][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.455322][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.455652][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.455974][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.456296][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.456628][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.456955][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.457286][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.457624][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.457943][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.458277][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.458610][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 26.458938][ T372] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 26.459258][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.459597][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.459923][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.460250][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.460583][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.460914][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.461247][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.461579][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.461991][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 26.462315][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.462652][ T372] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 26.462988][ T372] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 26.463236][ T372] ? __handle_mm_fault (mm/memory.c:6212) 
[ 26.463581][ T372] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 26.463898][ T372] ? mt_find (lib/maple_tree.c:6938) 
[ 26.464164][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 26.464495][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.464812][ T372] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.465144][ T372] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 26.465481][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.465810][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.466133][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.466544][  T372] RIP: 0033:0x7fd58c7251e7
[ 26.466880][ T372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   26.468006][  T372] RSP: 002b:00007ffc152ece08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.468504][  T372] RAX: ffffffffffffffda RBX: 00007ffc152ed530 RCX: 00007fd58c7251e7
[   26.468980][  T372] RDX: 0000000000000000 RSI: 00007ffc152ece70 RDI: 0000000000000005
[   26.469478][  T372] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   26.469951][  T372] R10: 00007fd58c7b3ac0 R11: 0000000000000246 R12: 00007ffc152ed550
[   26.470423][  T372] R13: 00000000686e7550 R14: 0000000000499600 R15: 00007ffc152ecf54
| [   36.086115][  T418] ------------[ cut here ]------------
| [ 36.086714][ T418] WARNING: CPU: 1 PID: 418 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.087310][  T418] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.088583][  T418] Tainted: [W]=WARN
[   36.088797][  T418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.089160][ T418] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.089807][ T418] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.090856][  T418] RSP: 0018:ffffc90000a47140 EFLAGS: 00010246
[   36.091217][  T418] RAX: 0000000000000000 RBX: ffff8880084d9000 RCX: 0000000000000001
[   36.091641][  T418] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   36.092060][  T418] RBP: ffffc90000a47230 R08: ffff88800940a000 R09: 0000000000000000
[   36.092503][  T418] R10: ffffc90000a475c8 R11: ffffffffb3c50668 R12: 1ffff92000148e2c
[   36.092929][  T418] R13: 00000000000007d0 R14: ffffc90000a47880 R15: ffff888013106a60
[   36.093359][  T418] FS:  00007f9ffa20b800(0000) GS:ffff888081337000(0000) knlGS:0000000000000000
[   36.093859][  T418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.094215][  T418] CR2: 00000000004e5aa0 CR3: 0000000015377001 CR4: 0000000000772ef0
[   36.094687][  T418] PKRU: 55555554
[   36.094917][  T418] Call Trace:
[   36.095144][  T418]  <TASK>
[ 36.095299][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.095606][ T418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.095896][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.096191][ T418] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.096502][ T418] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.096787][ T418] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.097082][ T418] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.097385][ T418] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.097788][ T418] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.098093][ T418] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.098429][ T418] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.098752][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.099061][ T418] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.099352][ T418] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.099721][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.100000][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.100292][ T418] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.100588][ T418] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.100866][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.101157][ T418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.101469][ T418] ? __create_object (mm/kmemleak.c:771) 
[ 36.101765][ T418] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.102043][ T418] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.102318][ T418] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.102702][ T418] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.102988][ T418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.103273][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.103575][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.103857][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.104150][ T418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.104431][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.104731][ T418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.105031][ T418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.105321][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.105620][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.105919][ T418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.106211][ T418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.106514][ T418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.106803][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.107103][ T418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.107381][ T418] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.107672][ T418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.107947][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.108246][ T418] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.108541][ T418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.108819][ T418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.109114][ T418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.109406][ T418] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.109704][ T418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.110087][ T418] ___sys_sendmsg (net/socket.c:2670) 
[ 36.110375][ T418] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.110674][ T418] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.111024][ T418] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.111314][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.111602][ T418] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.111900][ T418] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.112204][ T418] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.112499][ T418] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.112805][ T418] __sys_sendmsg (net/socket.c:2700) 
[ 36.113097][ T418] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.113476][ T418] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.113803][ T418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.114107][ T418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.114411][ T418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.114790][  T418] RIP: 0033:0x7f9ffa3d81e7
[ 36.115085][ T418] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.116147][  T418] RSP: 002b:00007ffd67f1e628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.116585][  T418] RAX: ffffffffffffffda RBX: 00007ffd67f1ed50 RCX: 00007f9ffa3d81e7
[   36.117012][  T418] RDX: 0000000000000000 RSI: 00007ffd67f1e690 RDI: 0000000000000005
[   36.117436][  T418] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.117868][  T418] R10: 00007f9ffa2d5ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.118283][  T418] R13: 00000000686e7559 R14: 0000000000499600 R15: 0000000000000000
| [   36.238885][  T419] ------------[ cut here ]------------
| [ 36.239247][ T419] WARNING: CPU: 2 PID: 419 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.240124][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.241198][  T419] Tainted: [W]=WARN
[   36.241425][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.241814][ T419] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.242136][ T419] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.243216][  T419] RSP: 0018:ffffc90000a57140 EFLAGS: 00010246
[   36.243836][  T419] RAX: 0000000000000000 RBX: ffff8880094cc000 RCX: 0000000000000001
[   36.244360][  T419] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   36.244937][  T419] RBP: ffffc90000a57230 R08: ffff888008ece800 R09: 0000000000000000
[   36.245550][  T419] R10: ffffc90000a575c8 R11: ffffffffb3c50668 R12: 1ffff9200014ae2c
[   36.246256][  T419] R13: 00000000000007d0 R14: ffffc90000a57880 R15: ffff888013107160
[   36.247040][  T419] FS:  00007f2954dd8800(0000) GS:ffff8880813b7000(0000) knlGS:0000000000000000
[   36.247847][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.248243][  T419] CR2: 00000000004e5aa8 CR3: 000000000217b001 CR4: 0000000000772ef0
[   36.248715][  T419] PKRU: 55555554
[   36.248950][  T419] Call Trace:
[   36.249238][  T419]  <TASK>
[ 36.249411][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.249762][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.250068][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.250389][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.250714][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.251022][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.251333][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.251726][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.252210][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.252606][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.252992][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.253532][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.254048][ T419] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.254571][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.255195][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.255729][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.256229][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.256753][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.257063][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.257413][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.257819][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 36.258215][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.258671][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.259195][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.259729][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.260045][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.260474][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.260833][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.261146][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.261502][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.261912][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.262288][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.262686][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.263063][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.263382][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.263728][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.264042][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.264338][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.264670][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.265073][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.265370][ T419] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.265715][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.266026][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.266461][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.266847][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.267159][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.267601][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.267917][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.268213][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.268835][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 36.269132][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.269425][ T419] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.269835][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.270169][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.270592][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.270907][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.271301][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.271684][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.272042][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 36.272420][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.272970][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.273420][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.273837][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.274207][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.274640][  T419] RIP: 0033:0x7f2954fa51e7
[ 36.274957][ T419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.276183][  T419] RSP: 002b:00007ffc7d457a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.276652][  T419] RAX: ffffffffffffffda RBX: 00007ffc7d458190 RCX: 00007f2954fa51e7
[   36.277175][  T419] RDX: 0000000000000000 RSI: 00007ffc7d457ad0 RDI: 0000000000000005
[   36.277718][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.278250][  T419] R10: 00007f2954ea2ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.278793][  T419] R13: 00000000686e7559 R14: 0000000000499600 R15: 0000000000000000
| [   36.424394][  T420] ------------[ cut here ]------------
| [ 36.426021][ T420] WARNING: CPU: 1 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.426637][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.427634][  T420] Tainted: [W]=WARN
[   36.427855][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.428215][ T420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.428524][ T420] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.429544][  T420] RSP: 0018:ffffc90000a67140 EFLAGS: 00010246
[   36.429890][  T420] RAX: 0000000000000000 RBX: ffff888004d39000 RCX: 0000000000000001
[   36.430300][  T420] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   36.430724][  T420] RBP: ffffc90000a67230 R08: ffff88801173e800 R09: 0000000000000000
[   36.431131][  T420] R10: ffffc90000a675c8 R11: ffffffffb3c50668 R12: 1ffff9200014ce2c
[   36.431557][  T420] R13: 00000000000007d0 R14: ffffc90000a67880 R15: ffff888013106360
[   36.431968][  T420] FS:  00007fef9d83b800(0000) GS:ffff888081337000(0000) knlGS:0000000000000000
[   36.432465][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.432823][  T420] CR2: 00000000004e73d0 CR3: 0000000009692004 CR4: 0000000000772ef0
[   36.433236][  T420] PKRU: 55555554
[   36.433472][  T420] Call Trace:
[   36.433680][  T420]  <TASK>
[ 36.433820][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.434103][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.434383][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.434676][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.434951][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.435228][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.435544][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.435828][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.436182][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.436472][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.436758][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.437036][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.437314][ T420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.437598][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.437965][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.438254][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.438539][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.438812][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.439089][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.439363][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.439667][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 36.439950][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.440227][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.440523][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.440864][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.441148][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.441435][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.441718][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.441999][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.442280][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.442567][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.442850][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.443127][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.443414][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.443717][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.443999][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.444275][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.444563][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.444860][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.445133][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.445409][ T420] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.445698][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.445972][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.446251][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.446539][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.446822][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.447108][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.447389][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.447686][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.448041][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 36.448314][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.448599][ T420] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.448949][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.449226][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.449521][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.449801][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.450101][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.450377][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.450670][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 36.450941][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.451292][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.451601][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.451878][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.452154][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.452506][  T420] RIP: 0033:0x7fef9da081e7
[ 36.452794][ T420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.453810][  T420] RSP: 002b:00007fff355e1d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.454229][  T420] RAX: ffffffffffffffda RBX: 00007fff355e24b0 RCX: 00007fef9da081e7
[   36.454652][  T420] RDX: 0000000000000000 RSI: 00007fff355e1df0 RDI: 0000000000000005
[   36.455070][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.455502][  T420] R10: 00007fef9d905ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.455916][  T420] R13: 00000000686e755a R14: 0000000000499600 R15: 0000000000000000
| [   36.571218][  T421] ------------[ cut here ]------------
| [ 36.571573][ T421] WARNING: CPU: 0 PID: 421 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.572145][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.573120][  T421] Tainted: [W]=WARN
[   36.573342][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.573710][ T421] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.573996][ T421] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.574993][  T421] RSP: 0018:ffffc90000a77140 EFLAGS: 00010246
[   36.575354][  T421] RAX: 0000000000000000 RBX: ffff888012fe4000 RCX: 0000000000000001
[   36.575785][  T421] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   36.576201][  T421] RBP: ffffc90000a77230 R08: ffff8880126c5000 R09: 0000000000000000
[   36.576624][  T421] R10: ffffc90000a775c8 R11: ffffffffb3c50668 R12: 1ffff9200014ee2c
[   36.577037][  T421] R13: 00000000000007d0 R14: ffffc90000a77880 R15: ffff8880131043e0
[   36.577467][  T421] FS:  00007f42d9202800(0000) GS:ffff8880812b7000(0000) knlGS:0000000000000000
[   36.577949][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.578298][  T421] CR2: 00000000004e5ab0 CR3: 0000000008c23002 CR4: 0000000000772ef0
[   36.579379][  T421] PKRU: 55555554
[   36.579600][  T421] Call Trace:
[   36.579807][  T421]  <TASK>
[ 36.579955][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.580240][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.580522][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.580803][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.581081][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.581359][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.581649][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.581938][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.582287][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.582571][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.582852][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.583130][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.583421][ T421] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.583708][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.584061][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.584339][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.584626][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.584902][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.585178][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.585473][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.585749][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 36.586030][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.586314][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.586601][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.586946][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.587229][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.587526][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.587804][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.588084][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.588365][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.588648][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.588926][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.589200][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.589485][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.589768][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.590047][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.590326][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.590620][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.590914][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.591190][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.591477][ T421] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.591759][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.592035][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.592315][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.592613][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.592890][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.593173][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.593474][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.593749][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.594105][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 36.594376][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.594673][ T421] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.595019][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.595296][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.595589][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.595871][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.596149][ T421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.596426][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.596724][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 36.596998][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.597339][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.597636][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.597912][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.598186][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.598535][  T421] RIP: 0033:0x7f42d93cf1e7
[ 36.598833][ T421] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.599832][  T421] RSP: 002b:00007fff4ec3d158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.600248][  T421] RAX: ffffffffffffffda RBX: 00007fff4ec3d880 RCX: 00007f42d93cf1e7
[   36.600679][  T421] RDX: 0000000000000000 RSI: 00007fff4ec3d1c0 RDI: 0000000000000005
[   36.601088][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.601507][  T421] R10: 00007f42d92ccee8 R11: 0000000000000246 R12: 0000000000000004
[   36.601919][  T421] R13: 00000000686e755a R14: 0000000000499600 R15: 0000000000000000
| [   36.718439][  T422] ------------[ cut here ]------------
| [ 36.719625][ T422] WARNING: CPU: 2 PID: 422 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.720220][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.721249][  T422] Tainted: [W]=WARN
[   36.721503][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.721878][ T422] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.722194][ T422] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.723270][  T422] RSP: 0018:ffffc90000a87140 EFLAGS: 00010246
[   36.723675][  T422] RAX: 0000000000000000 RBX: ffff8880125c1000 RCX: 0000000000000001
[   36.724122][  T422] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   36.724578][  T422] RBP: ffffc90000a87230 R08: ffff888009410800 R09: 0000000000000000
[   36.725029][  T422] R10: ffffc90000a875c8 R11: ffffffffb3c50668 R12: 1ffff92000150e2c
[   36.725498][  T422] R13: 00000000000007d0 R14: ffffc90000a87880 R15: ffff8880059c66e0
[   36.725955][  T422] FS:  00007f28d1f17800(0000) GS:ffff8880813b7000(0000) knlGS:0000000000000000
[   36.726524][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.726910][  T422] CR2: 00000000004e55b8 CR3: 00000000083c9005 CR4: 0000000000772ef0
[   36.727370][  T422] PKRU: 55555554
[   36.727618][  T422] Call Trace:
[   36.727852][  T422]  <TASK>
[ 36.728018][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.728329][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.728648][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.728960][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.729266][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.729598][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.729913][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.730223][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.730617][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.730913][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.731207][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.731530][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.731835][ T422] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.732144][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.732528][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.732832][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.733123][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.733439][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.733779][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.734095][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.734384][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 36.734709][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.735014][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.735303][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.735677][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.735974][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.736286][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.736593][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.736887][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.737189][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.737514][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.737821][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.738117][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.738410][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.738735][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.739030][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.739318][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.739633][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.739938][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.740235][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.740545][ T422] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.740852][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.741153][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.741485][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.741783][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.742074][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.742470][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.742769][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.743061][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.743457][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 36.743745][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.744070][ T422] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.744478][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.744776][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.745072][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.745423][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.745746][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.746037][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.746357][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 36.746698][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.747055][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.747386][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.747710][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.748005][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.748402][  T422] RIP: 0033:0x7f28d20e41e7
[ 36.748759][ T422] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.749859][  T422] RSP: 002b:00007fff03130af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.750316][  T422] RAX: ffffffffffffffda RBX: 00007fff03131220 RCX: 00007f28d20e41e7
[   36.750778][  T422] RDX: 0000000000000000 RSI: 00007fff03130b60 RDI: 0000000000000005
[   36.751221][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.751679][  T422] R10: 00007f28d1fe1ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.752128][  T422] R13: 00000000686e755a R14: 0000000000499600 R15: 0000000000000000
| [   36.880304][  T423] ------------[ cut here ]------------
| [ 36.880650][ T423] WARNING: CPU: 1 PID: 423 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.881200][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.882157][  T423] Tainted: [W]=WARN
[   36.882364][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.884201][ T423] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.884660][ T423] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.885753][  T423] RSP: 0018:ffffc90000a87140 EFLAGS: 00010246
[   36.886108][  T423] RAX: 0000000000000000 RBX: ffff8880060bc000 RCX: 0000000000000001
[   36.886528][  T423] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   36.886936][  T423] RBP: ffffc90000a87230 R08: ffff8880133ab800 R09: 0000000000000000
[   36.887363][  T423] R10: ffffc90000a875c8 R11: ffffffffb3c50668 R12: 1ffff92000150e2c
[   36.887792][  T423] R13: 00000000000007d0 R14: ffffc90000a87880 R15: ffff8880059c5c60
[   36.888212][  T423] FS:  00007f0fb2b0d800(0000) GS:ffff888081337000(0000) knlGS:0000000000000000
[   36.888723][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.889077][  T423] CR2: 00000000004e5ac8 CR3: 000000001570c006 CR4: 0000000000772ef0
[   36.889529][  T423] PKRU: 55555554
[   36.889754][  T423] Call Trace:
[   36.889972][  T423]  <TASK>
[ 36.890124][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.890425][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.890727][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.891029][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.891342][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.891645][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.891945][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.892252][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.892634][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.892935][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.893224][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.893569][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.893867][ T423] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.894158][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.894555][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.894853][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.895165][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.895468][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.895780][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.896088][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.896380][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 36.896693][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.896989][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.897278][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.897680][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.897975][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.898263][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.898568][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.898862][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.899146][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.899428][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.899728][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.900016][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.900314][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.900619][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.900907][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.901192][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.901499][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.901813][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.902085][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.902383][ T423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.902688][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.902979][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.903275][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.903605][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.903897][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.904202][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.904512][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.904802][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.905167][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 36.905481][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.905776][ T423] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.906127][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.906414][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.906728][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.907033][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.907320][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.907607][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.907902][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 36.908184][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.908551][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.908840][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.909135][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.909466][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.909827][  T423] RIP: 0033:0x7f0fb2cda1e7
[ 36.910140][ T423] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.911191][  T423] RSP: 002b:00007fff1bc400f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.911661][  T423] RAX: ffffffffffffffda RBX: 00007fff1bc40820 RCX: 00007f0fb2cda1e7
[   36.912097][  T423] RDX: 0000000000000000 RSI: 00007fff1bc40160 RDI: 0000000000000005
[   36.912559][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.912988][  T423] R10: 00007f0fb2bd7ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.913439][  T423] R13: 00000000686e755a R14: 0000000000499600 R15: 0000000000000000
| [   37.034627][  T424] ------------[ cut here ]------------
| [ 37.034969][ T424] WARNING: CPU: 0 PID: 424 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.035548][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.036475][  T424] Tainted: [W]=WARN
[   37.036687][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.037040][ T424] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.037329][ T424] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.038324][  T424] RSP: 0018:ffffc90000b87140 EFLAGS: 00010246
[   37.039367][  T424] RAX: 0000000000000000 RBX: ffff8880060b9000 RCX: 0000000000000001
[   37.039801][  T424] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   37.040214][  T424] RBP: ffffc90000b87230 R08: ffff888004c1d000 R09: 0000000000000000
[   37.040636][  T424] R10: ffffc90000b875c8 R11: ffffffffb3c50668 R12: 1ffff92000170e2c
[   37.041043][  T424] R13: 00000000000007d0 R14: ffffc90000b87880 R15: ffff8880059c4e60
[   37.041467][  T424] FS:  00007f38526dc800(0000) GS:ffff8880812b7000(0000) knlGS:0000000000000000
[   37.041949][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.042296][  T424] CR2: 00000000004e5ac0 CR3: 00000000157fa006 CR4: 0000000000772ef0
[   37.042727][  T424] PKRU: 55555554
[   37.042937][  T424] Call Trace:
[   37.043145][  T424]  <TASK>
[ 37.043292][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.043609][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.043883][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.044161][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.044438][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.044729][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.045009][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.045297][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.045656][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.045934][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.046207][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.046492][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.046771][ T424] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.047047][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.047394][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.047676][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.047949][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.048224][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.048512][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.048787][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.049064][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 37.049345][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.049639][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.049917][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.050262][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.050555][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.050836][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.051109][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.051390][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.051682][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.051958][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.052236][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.052521][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.052801][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.053080][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.053367][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.053659][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.053943][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.054228][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.054507][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.054782][ T424] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.055058][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.055333][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.055638][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.055922][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.056198][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.056490][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.056772][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.057045][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.057399][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 37.057683][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.057969][ T424] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.058316][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.058602][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.058880][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.059162][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.059438][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.059725][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.060015][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 37.060295][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.060642][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.060930][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.061208][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.061495][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.061843][  T424] RIP: 0033:0x7f38528a91e7
[ 37.062137][ T424] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.063134][  T424] RSP: 002b:00007ffd2954dfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.063577][  T424] RAX: ffffffffffffffda RBX: 00007ffd2954e6d0 RCX: 00007f38528a91e7
[   37.064000][  T424] RDX: 0000000000000000 RSI: 00007ffd2954e010 RDI: 0000000000000005
[   37.064409][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.064827][  T424] R10: 00007f38527a6ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.065240][  T424] R13: 00000000686e755a R14: 0000000000499600 R15: 0000000000000000
| [   37.202587][  T425] ------------[ cut here ]------------
| [ 37.202923][ T425] WARNING: CPU: 3 PID: 425 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.203520][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.204468][  T425] Tainted: [W]=WARN
[   37.204678][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.205024][ T425] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.205311][ T425] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.206518][  T425] RSP: 0018:ffffc90000b97140 EFLAGS: 00010246
[   37.206882][  T425] RAX: 0000000000000000 RBX: ffff888008ca9000 RCX: 0000000000000001
[   37.207296][  T425] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   37.207728][  T425] RBP: ffffc90000b97230 R08: ffff888008ec8800 R09: 0000000000000000
[   37.208142][  T425] R10: ffffc90000b975c8 R11: ffffffffb3c50668 R12: 1ffff92000172e2c
[   37.208562][  T425] R13: 00000000000007d0 R14: ffffc90000b97880 R15: ffff8880059c4ae0
[   37.208974][  T425] FS:  00007f7993123800(0000) GS:ffff888081437000(0000) knlGS:0000000000000000
[   37.209472][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.209822][  T425] CR2: 00000000004e73f8 CR3: 0000000011a12004 CR4: 0000000000772ef0
[   37.210238][  T425] PKRU: 55555554
[   37.210483][  T425] Call Trace:
[   37.210694][  T425]  <TASK>
[ 37.210837][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.211122][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.211400][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.211701][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.211979][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.212258][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.212545][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.212828][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.213176][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.213479][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.213754][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.214032][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.214313][ T425] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.214631][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.214975][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.215257][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.215547][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.215823][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.216104][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.216381][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.216663][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 37.216942][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.217219][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.217505][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.217854][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.218135][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.218427][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.218745][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.219021][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.219295][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.219585][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.219860][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.220145][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.220426][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.220715][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.220996][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.221273][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.221573][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.221848][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.222133][ T425] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.222416][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.222733][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.223013][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.223294][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.223594][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.223879][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.224175][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.224463][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.224819][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 37.225091][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.225370][ T425] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.225730][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.226013][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.226303][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.226628][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.226908][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.227182][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.227477][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 37.227751][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.228093][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.228392][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.228678][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.228955][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.229297][  T425] RIP: 0033:0x7f79932f01e7
[ 37.229603][ T425] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.230651][  T425] RSP: 002b:00007fff2a083978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.231072][  T425] RAX: ffffffffffffffda RBX: 00007fff2a0840a0 RCX: 00007f79932f01e7
[   37.231509][  T425] RDX: 0000000000000000 RSI: 00007fff2a0839e0 RDI: 0000000000000005
[   37.231921][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.232340][  T425] R10: 00007f79931edee8 R11: 0000000000000246 R12: 0000000000000004
[   37.232762][  T425] R13: 00000000686e755a R14: 0000000000499600 R15: 0000000000000000
| [   37.337182][  T426] ------------[ cut here ]------------
| [ 37.337813][ T426] WARNING: CPU: 3 PID: 426 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.338363][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.339325][  T426] Tainted: [W]=WARN
[   37.339582][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.339929][ T426] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.340216][ T426] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.341240][  T426] RSP: 0018:ffffc90000b97140 EFLAGS: 00010246
[   37.341600][  T426] RAX: 0000000000000000 RBX: ffff888012fe9000 RCX: 0000000000000001
[   37.342016][  T426] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   37.342435][  T426] RBP: ffffc90000b97230 R08: ffff888004d45000 R09: 0000000000000000
[   37.342861][  T426] R10: ffffc90000b975c8 R11: ffffffffb3c50668 R12: 1ffff92000172e2c
[   37.343274][  T426] R13: 00000000000007d0 R14: ffffc90000b97880 R15: ffff8880156283e0
[   37.343755][  T426] FS:  00007f807ad38800(0000) GS:ffff888081437000(0000) knlGS:0000000000000000
[   37.344236][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.344597][  T426] CR2: 00000000004e5ab8 CR3: 0000000008dc7005 CR4: 0000000000772ef0
[   37.345019][  T426] PKRU: 55555554
[   37.345226][  T426] Call Trace:
[   37.345437][  T426]  <TASK>
[ 37.345588][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.345876][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.346153][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.346478][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.346775][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.347055][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.347335][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.347674][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.348028][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.348304][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.348601][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.348901][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.349199][ T426] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.349496][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.349842][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.350123][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.350396][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.350679][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.350963][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.351245][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.351556][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 37.351837][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.352113][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.352387][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.352739][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.353020][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.353310][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.353611][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.353893][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.354167][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.354439][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.354730][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.355003][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.355278][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.355619][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.355902][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.356177][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.356472][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.356774][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.357061][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.357357][ T426] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.357663][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.357955][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.358252][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.358552][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.358844][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.359144][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.359469][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.359783][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.360185][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 37.360494][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.360776][ T426] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.361119][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.361402][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.361705][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.362000][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.362274][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.362562][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.362848][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 37.363121][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.363563][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.363873][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.364162][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.364440][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.364816][  T426] RIP: 0033:0x7f807af051e7
[ 37.365101][ T426] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.366141][  T426] RSP: 002b:00007ffc8c24df88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.366572][  T426] RAX: ffffffffffffffda RBX: 00007ffc8c24e6b0 RCX: 00007f807af051e7
[   37.366987][  T426] RDX: 0000000000000000 RSI: 00007ffc8c24dff0 RDI: 0000000000000005
[   37.367400][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.367849][  T426] R10: 00007f807ae02ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.368274][  T426] R13: 00000000686e755b R14: 0000000000499600 R15: 0000000000000000
| [   37.487435][  T427] ------------[ cut here ]------------
| [ 37.487817][ T427] WARNING: CPU: 0 PID: 427 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.488399][  T427] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.489547][  T427] Tainted: [W]=WARN
[   37.489776][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.490141][ T427] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.490457][ T427] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.491519][  T427] RSP: 0018:ffffc90000aa7140 EFLAGS: 00010246
[   37.491892][  T427] RAX: 0000000000000000 RBX: ffff888004d21000 RCX: 0000000000000001
[   37.492330][  T427] RDX: 0000000000000000 RSI: ffffffffb2e9b939 RDI: ffffffffb26555e0
[   37.492776][  T427] RBP: ffffc90000aa7230 R08: ffff8880156b0800 R09: 0000000000000000
[   37.493216][  T427] R10: ffffc90000aa75c8 R11: ffffffffb3c50668 R12: 1ffff92000154e2c
[   37.493695][  T427] R13: 00000000000007d0 R14: ffffc90000aa7880 R15: ffff888015628060
[   37.494134][  T427] FS:  00007f2d495a2800(0000) GS:ffff8880812b7000(0000) knlGS:0000000000000000
[   37.494657][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.495031][  T427] CR2: 00000000004e59c0 CR3: 0000000011810004 CR4: 0000000000772ef0
[   37.495481][  T427] PKRU: 55555554
[   37.495708][  T427] Call Trace:
[   37.495928][  T427]  <TASK>
[ 37.496079][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.496379][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.496681][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.496976][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.497268][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.497581][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.497882][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.498180][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.498567][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.498861][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.499154][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.499463][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.499765][ T427] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.500056][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.500416][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.500719][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.501009][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.501298][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.501620][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.501920][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.502209][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 37.502519][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.502818][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.503112][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.503498][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.503799][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.504095][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.504389][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.504695][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.504987][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.505275][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.505572][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.505862][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.506154][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.506460][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.506765][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.507060][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.507350][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.507662][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.507953][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.508245][ T427] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.508547][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.508842][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.509141][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.509435][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.509743][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.510050][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.510347][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.510647][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.511029][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 37.511320][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.511621][ T427] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.511982][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.512278][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.512583][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.512884][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.513186][ T427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.513509][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.513811][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 37.514100][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.514476][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.514781][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.515072][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.515372][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.515742][  T427] RIP: 0033:0x7f2d4976f1e7
[ 37.516045][ T427] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.517093][  T427] RSP: 002b:00007ffdccc72248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.517550][  T427] RAX: ffffffffffffffda RBX: 00007ffdccc72970 RCX: 00007f2d4976f1e7
[   37.517991][  T427] RDX: 0000000000000000 RSI: 00007ffdccc722b0 RDI: 0000000000000005
[   37.518431][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.518879][  T427] R10: 00007f2d4966cee8 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