======================================
| [   20.495298][  T317] ip_gre: GRE over IPv4 tunneling driver
| [   20.553612][  T316] ------------[ cut here ]------------
| [ 20.554098][ T316] WARNING: CPU: 2 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.554779][  T316] Modules linked in: ip_gre gre 8021q vrf veth
[   20.555832][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.556363][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.556719][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.557851][  T316] RSP: 0018:ffffc900005c7000 EFLAGS: 00010246
[   20.558297][  T316] RAX: 0000000000000000 RBX: ffff88800bbac000 RCX: 0000000000000001
[   20.558791][  T316] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   20.559273][  T316] RBP: ffffc900005c70e8 R08: ffff88800bbac218 R09: 0000000000000000
[   20.559775][  T316] R10: ffffc900005c7118 R11: ffffffffb4779160 R12: 1ffff920000b8e04
[   20.560282][  T316] R13: 00000000000005c0 R14: ffffc900005c7118 R15: ffff88800bbac218
[   20.560782][  T316] FS:  00007f76dd519800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   20.561485][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.561907][  T316] CR2: 00000000004200f0 CR3: 000000000ca89001 CR4: 0000000000772ef0
[   20.562395][  T316] PKRU: 55555554
[   20.562655][  T316] Call Trace:
[   20.562907][  T316]  <TASK>
[ 20.563092][ T316] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.563512][ T316] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.563843][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.564172][ T316] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.564589][ T316] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.564928][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 20.565257][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.565608][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.565864][ T316] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.566194][ T316] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.566534][ T316] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.566868][ T316] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.567267][ T316] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.567616][ T316] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.567946][ T316] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.568274][ T316] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.568885][ T316] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.569290][ T316] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.569634][ T316] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.569963][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.570299][ T316] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.570645][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.570974][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.571307][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.571647][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.571999][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.572325][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.572659][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.572993][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.573321][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.573659][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.573989][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.574325][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.574655][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.574983][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.575314][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.575645][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.575975][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.576304][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.576639][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.576971][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.577296][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.577631][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.578042][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 20.578367][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.578696][ T316] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.579025][ T316] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 20.579277][ T316] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.579610][ T316] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.579960][ T316] ? mt_find (lib/maple_tree.c:6938) 
[ 20.580229][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 20.580562][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.580881][ T316] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.581230][ T316] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.581580][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.581912][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.582239][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.582657][  T316] RIP: 0033:0x7f76dd6e61e7
[ 20.583001][ T316] Code: Unable to access opcode bytes at 0x7f76dd6e61bd.

Code starting with the faulting instruction
===========================================
[   20.583431][  T316] RSP: 002b:00007fff0911c668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.583921][  T316] RAX: ffffffffffffffda RBX: 00007fff0911cd90 RCX: 00007f76dd6e61e7
[   20.584403][  T316] RDX: 0000000000000000 RSI: 00007fff0911c6d0 RDI: 0000000000000005
[   20.584896][  T316] RBP: 0000000000000008 R08: 00000000000000a8 R09: 0000000000000000
[   20.585677][  T316] R10: 00007f76dd5de6f8 R11: 0000000000000246 R12: 00007fff0911cdb0
[   20.586159][  T316] R13: 00000000686e4c2e R14: 0000000000499600 R15: 00007fff0911c7b4
| [   23.004218][  T343] ------------[ cut here ]------------
| [ 23.004654][ T343] WARNING: CPU: 2 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.005312][  T343] Modules linked in: ip_gre gre 8021q vrf veth
| [   23.006415][  T343] Tainted: [W]=WARN
[   23.006687][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.007100][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.007448][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.008560][  T343] RSP: 0018:ffffc90000b47000 EFLAGS: 00010246
[   23.008965][  T343] RAX: 0000000000000000 RBX: ffff88800ebf1000 RCX: 0000000000000001
[   23.009461][  T343] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   23.009939][  T343] RBP: ffffc90000b470e8 R08: ffff88800ebf1218 R09: 0000000000000000
[   23.010433][  T343] R10: ffffc90000b47118 R11: ffffffffb4779160 R12: 1ffff92000168e04
[   23.010935][  T343] R13: 000000000000ffe3 R14: ffffc90000b47118 R15: ffff88800ebf1218
[   23.011447][  T343] FS:  00007f5befd46800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   23.012029][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.012445][  T343] CR2: 00007f9e90347a00 CR3: 000000000ca11006 CR4: 0000000000772ef0
[   23.012939][  T343] PKRU: 55555554
[   23.013190][  T343] Call Trace:
[   23.013445][  T343]  <TASK>
[ 23.013621][ T343] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.014034][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.014364][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.014711][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.015044][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.015387][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.015644][ T343] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.015972][ T343] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.016306][ T343] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.016674][ T343] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.017075][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.017409][ T343] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.017742][ T343] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.018069][ T343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.018391][ T343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.018765][ T343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.019098][ T343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.019432][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.019763][ T343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.020100][ T343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.020446][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.020776][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.021106][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.021455][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.021786][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.022105][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.022424][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.022771][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.023110][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.023454][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.023797][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.024152][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.024497][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.024834][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.025176][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.025517][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.025860][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.026199][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.026555][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.026903][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.027243][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.027665][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.028080][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.028399][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.028726][ T343] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.029063][ T343] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.029317][ T343] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.029647][ T343] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.029971][ T343] ? mt_find (lib/maple_tree.c:6938) 
[ 23.030270][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.030619][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.030960][ T343] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.031317][ T343] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.031681][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.032028][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.032370][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.032797][  T343] RIP: 0033:0x7f5beff131e7
[ 23.033151][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.034372][  T343] RSP: 002b:00007ffd3ce169a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.034887][  T343] RAX: ffffffffffffffda RBX: 00007ffd3ce170d0 RCX: 00007f5beff131e7
[   23.035385][  T343] RDX: 0000000000000000 RSI: 00007ffd3ce16a10 RDI: 0000000000000005
[   23.035906][  T343] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   23.036400][  T343] R10: 00007f5beffa1ac0 R11: 0000000000000246 R12: 00007ffd3ce170f0
[   23.036910][  T343] R13: 00000000686e4c30 R14: 0000000000499600 R15: 00007ffd3ce16af4
| [   36.953085][  T389] ------------[ cut here ]------------
| [ 36.953802][ T389] WARNING: CPU: 1 PID: 389 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.954783][  T389] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.956553][  T389] Tainted: [W]=WARN
[   36.956930][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.957568][ T389] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.958098][ T389] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.959871][  T389] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   36.960510][  T389] RAX: 0000000000000000 RBX: ffff888005f61000 RCX: 0000000000000001
[   36.961234][  T389] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   36.961841][  T389] RBP: ffffc90000937230 R08: ffff88800b903800 R09: 0000000000000000
[   36.962279][  T389] R10: ffffc900009375c8 R11: ffffffffb5050668 R12: 1ffff92000126e2c
[   36.962709][  T389] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff8880029891e0
[   36.963126][  T389] FS:  00007f51c0712800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[   36.963628][  T389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.963987][  T389] CR2: 00000000004e5aa0 CR3: 0000000005aa1005 CR4: 0000000000772ef0
[   36.964414][  T389] PKRU: 55555554
[   36.964634][  T389] Call Trace:
[   36.965180][  T389]  <TASK>
[ 36.965332][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.965633][ T389] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.965920][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.966210][ T389] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.966509][ T389] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.966794][ T389] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.967089][ T389] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.967388][ T389] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.967756][ T389] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.968035][ T389] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.968315][ T389] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.968612][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.968901][ T389] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.969184][ T389] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.969538][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.969824][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.970099][ T389] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.970380][ T389] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.970702][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.970986][ T389] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.971262][ T389] ? __create_object (mm/kmemleak.c:771) 
[ 36.971564][ T389] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.971842][ T389] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.972116][ T389] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.972467][ T389] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.972751][ T389] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.973046][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.973320][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.973611][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.973890][ T389] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.974162][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.974454][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.974730][ T389] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.975009][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.975292][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.975582][ T389] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.975862][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.976142][ T389] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.976429][ T389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.976708][ T389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.976985][ T389] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.977271][ T389] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.977557][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.977841][ T389] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.978121][ T389] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.978397][ T389] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.978691][ T389] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.978969][ T389] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.979248][ T389] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.979609][ T389] ___sys_sendmsg (net/socket.c:2670) 
[ 36.979882][ T389] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.980158][ T389] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.980511][ T389] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.980790][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.981068][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.981351][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.981651][ T389] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.981926][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.982215][ T389] __sys_sendmsg (net/socket.c:2700) 
[ 36.982502][ T389] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.982841][ T389] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.983129][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.983417][ T389] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.983705][ T389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.984048][  T389] RIP: 0033:0x7f51c08df1e7
[ 36.984339][ T389] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.985328][  T389] RSP: 002b:00007fffbf3d8bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.985762][  T389] RAX: ffffffffffffffda RBX: 00007fffbf3d92f0 RCX: 00007f51c08df1e7
[   36.986178][  T389] RDX: 0000000000000000 RSI: 00007fffbf3d8c30 RDI: 0000000000000005
[   36.986603][  T389] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.987019][  T389] R10: 00007f51c07dcee8 R11: 0000000000000246 R12: 0000000000000004
[   36.987461][  T389] R13: 00000000686e4c3e R14: 0000000000499600 R15: 0000000000000000
| [   37.128978][  T390] ------------[ cut here ]------------
| [ 37.129342][ T390] WARNING: CPU: 2 PID: 390 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.130165][  T390] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.131144][  T390] Tainted: [W]=WARN
[   37.131368][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.131754][ T390] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.132062][ T390] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.133092][  T390] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   37.133470][  T390] RAX: 0000000000000000 RBX: ffff888007861000 RCX: 0000000000000001
[   37.133899][  T390] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   37.134323][  T390] RBP: ffffc90000947230 R08: ffff88800a7fb800 R09: 0000000000000000
[   37.134773][  T390] R10: ffffc900009475c8 R11: ffffffffb5050668 R12: 1ffff92000128e2c
[   37.135198][  T390] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800e8b8760
[   37.135639][  T390] FS:  00007fcf22ca0800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   37.136133][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.136513][  T390] CR2: 00000000004e5aa8 CR3: 000000000b893003 CR4: 0000000000772ef0
[   37.136940][  T390] PKRU: 55555554
[   37.137159][  T390] Call Trace:
[   37.137376][  T390]  <TASK>
[ 37.137546][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.137843][ T390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.138128][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.138422][ T390] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.138735][ T390] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.139028][ T390] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.139319][ T390] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.139629][ T390] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.139990][ T390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.140282][ T390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.140584][ T390] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.140877][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.141168][ T390] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.141486][ T390] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.141841][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.142131][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.142416][ T390] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.142728][ T390] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.143014][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.143305][ T390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.143605][ T390] ? __create_object (mm/kmemleak.c:771) 
[ 37.143898][ T390] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.144182][ T390] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.144481][ T390] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.144837][ T390] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.145135][ T390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.145428][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.145730][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.146019][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.146308][ T390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.146604][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.146899][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.147184][ T390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.147499][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.147792][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.148092][ T390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.148389][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.148692][ T390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.149000][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.149284][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.149592][ T390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.149884][ T390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.150175][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.150487][ T390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.150784][ T390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.151072][ T390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.151374][ T390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.151696][ T390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.151987][ T390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.152358][ T390] ___sys_sendmsg (net/socket.c:2670) 
[ 37.152671][ T390] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.152963][ T390] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.153321][ T390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.153627][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.153937][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.154236][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.154547][ T390] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.154840][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.155191][ T390] __sys_sendmsg (net/socket.c:2700) 
[ 37.155497][ T390] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.155854][ T390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.156167][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.156480][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.156779][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.157137][  T390] RIP: 0033:0x7fcf22e6d1e7
[ 37.157454][ T390] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.158465][  T390] RSP: 002b:00007fff5424f688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.158903][  T390] RAX: ffffffffffffffda RBX: 00007fff5424fdb0 RCX: 00007fcf22e6d1e7
[   37.159332][  T390] RDX: 0000000000000000 RSI: 00007fff5424f6f0 RDI: 0000000000000005
[   37.159777][  T390] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.160213][  T390] R10: 00007fcf22d6aee8 R11: 0000000000000246 R12: 0000000000000004
[   37.160659][  T390] R13: 00000000686e4c3e R14: 0000000000499600 R15: 0000000000000000
| [   37.274933][  T391] ------------[ cut here ]------------
| [ 37.275266][ T391] WARNING: CPU: 3 PID: 391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.276211][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.277220][  T391] Tainted: [W]=WARN
[   37.277428][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.277780][ T391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.278069][ T391] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.279066][  T391] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   37.279418][  T391] RAX: 0000000000000000 RBX: ffff88800bbac000 RCX: 0000000000000001
[   37.279838][  T391] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   37.280257][  T391] RBP: ffffc90000957230 R08: ffff88800ebae800 R09: 0000000000000000
[   37.280675][  T391] R10: ffffc900009575c8 R11: ffffffffb5050668 R12: 1ffff9200012ae2c
[   37.281085][  T391] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800e8b91e0
[   37.281516][  T391] FS:  00007f1fa81b7800(0000) GS:ffff888080037000(0000) knlGS:0000000000000000
[   37.282000][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.282363][  T391] CR2: 00000000004e73b8 CR3: 000000000ca89003 CR4: 0000000000772ef0
[   37.282793][  T391] PKRU: 55555554
[   37.283002][  T391] Call Trace:
[   37.283208][  T391]  <TASK>
[ 37.283349][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.283652][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.283927][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.284213][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.284500][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.284779][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.285060][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.285342][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.285703][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.285988][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.286261][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.286547][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.286828][ T391] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.287103][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.287461][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.287744][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.288018][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.288297][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.288585][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.288860][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.289133][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 37.289412][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.289703][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.289978][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.290330][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.290626][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.290904][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.291174][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.291468][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.291747][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.292018][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.292293][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.292585][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.292864][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.293140][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.293415][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.293704][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.293987][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.294276][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.294567][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.294844][ T391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.295120][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.295392][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.295680][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.295960][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.296235][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.296534][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.296815][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.297089][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.297455][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 37.297729][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.298000][ T391] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.298347][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.298643][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.298921][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.299200][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.299484][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.299756][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.300036][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 37.300309][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.300662][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.300954][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.301229][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.301533][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.301875][  T391] RIP: 0033:0x7f1fa83841e7
[ 37.302162][ T391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.303157][  T391] RSP: 002b:00007ffcab361858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.303582][  T391] RAX: ffffffffffffffda RBX: 00007ffcab361f80 RCX: 00007f1fa83841e7
[   37.303994][  T391] RDX: 0000000000000000 RSI: 00007ffcab3618c0 RDI: 0000000000000005
[   37.304404][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.304837][  T391] R10: 00007f1fa8281ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.305250][  T391] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   37.428421][  T392] ------------[ cut here ]------------
| [ 37.428817][ T392] WARNING: CPU: 2 PID: 392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.429398][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.431661][  T392] Tainted: [W]=WARN
[   37.431892][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.432262][ T392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.432580][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.433596][  T392] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   37.433971][  T392] RAX: 0000000000000000 RBX: ffff88800a724000 RCX: 0000000000000001
[   37.434407][  T392] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   37.434851][  T392] RBP: ffffc90000967230 R08: ffff88800bb32000 R09: 0000000000000000
[   37.435282][  T392] R10: ffffc900009675c8 R11: ffffffffb5050668 R12: 1ffff9200012ce2c
[   37.435731][  T392] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800e8b9c60
[   37.436167][  T392] FS:  00007f0caee7a800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   37.436686][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.437055][  T392] CR2: 00000000004e5ab0 CR3: 000000000a888005 CR4: 0000000000772ef0
[   37.437499][  T392] PKRU: 55555554
[   37.437734][  T392] Call Trace:
[   37.437982][  T392]  <TASK>
[ 37.438142][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.438460][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.438774][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.439091][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.439405][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.439732][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.440056][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.440369][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.440770][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.441081][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.441390][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.441738][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.442055][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.442373][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.442766][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.443081][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.443388][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.443712][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.444211][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.444753][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.445077][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 37.445391][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.445721][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.446031][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.446410][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.446734][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.447049][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.447355][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.447689][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.447998][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.448301][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.448622][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.448930][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.449239][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.449557][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.449871][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.450187][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.450506][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.450811][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.451099][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.451392][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.451718][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.452021][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.452320][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.452641][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.452935][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.453233][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.453540][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.453839][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.454214][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 37.454522][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.454818][ T392] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.455176][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.455484][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.455787][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.456096][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.456391][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.456727][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.457028][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 37.457318][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.457687][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.457994][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.458289][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.458594][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.458971][  T392] RIP: 0033:0x7f0caf0471e7
[ 37.459278][ T392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.460296][  T392] RSP: 002b:00007ffd2590ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.460743][  T392] RAX: ffffffffffffffda RBX: 00007ffd2590f670 RCX: 00007f0caf0471e7
[   37.461183][  T392] RDX: 0000000000000000 RSI: 00007ffd2590efb0 RDI: 0000000000000005
[   37.461644][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.462073][  T392] R10: 00007f0caef44ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.462517][  T392] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   37.567686][  T393] ------------[ cut here ]------------
| [ 37.568013][ T393] WARNING: CPU: 1 PID: 393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.568582][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.569547][  T393] Tainted: [W]=WARN
[   37.569755][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.570099][ T393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.570383][ T393] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.571382][  T393] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   37.571773][  T393] RAX: 0000000000000000 RBX: ffff888008569000 RCX: 0000000000000001
[   37.572183][  T393] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   37.573886][  T393] RBP: ffffc90000977230 R08: ffff888005133800 R09: 0000000000000000
[   37.574302][  T393] R10: ffffc900009775c8 R11: ffffffffb5050668 R12: 1ffff9200012ee2c
[   37.574761][  T393] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800e8ba6e0
[   37.575169][  T393] FS:  00007f0c8dc5c800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[   37.575663][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.576012][  T393] CR2: 00000000004e55b8 CR3: 000000000614f001 CR4: 0000000000772ef0
[   37.576426][  T393] PKRU: 55555554
[   37.576639][  T393] Call Trace:
[   37.576846][  T393]  <TASK>
[ 37.576985][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.577265][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.577553][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.577834][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.578106][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.578381][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.578668][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.578959][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.579304][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.579598][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.579870][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.580150][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.580428][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.580710][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.581052][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.581330][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.581628][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.581905][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.582183][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.582467][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.582742][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 37.583023][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.583299][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.583581][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.583938][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.584221][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.584510][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.584786][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.585066][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.585340][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.585620][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.585903][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.586178][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.586469][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.586754][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.587035][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.587314][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.587598][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.587884][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.588167][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.588451][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.588729][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.589002][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.589281][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.589569][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.589847][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.590133][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.590411][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.590700][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.591054][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 37.591329][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.591625][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.591972][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.592256][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.592539][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.592820][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.593093][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.593368][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.593657][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 37.593930][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.594277][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.594575][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.594870][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.595148][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.595519][  T393] RIP: 0033:0x7f0c8de291e7
[ 37.595812][ T393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.596804][  T393] RSP: 002b:00007fffb3cbd648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.597221][  T393] RAX: ffffffffffffffda RBX: 00007fffb3cbdd70 RCX: 00007f0c8de291e7
[   37.597645][  T393] RDX: 0000000000000000 RSI: 00007fffb3cbd6b0 RDI: 0000000000000005
[   37.598066][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.598487][  T393] R10: 00007f0c8dd26ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.598896][  T393] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   37.730280][  T394] ------------[ cut here ]------------
| [ 37.730672][ T394] WARNING: CPU: 2 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.731266][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.733395][  T394] Tainted: [W]=WARN
[   37.733635][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.734004][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.734329][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.735373][  T394] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   37.735754][  T394] RAX: 0000000000000000 RBX: ffff88800b469000 RCX: 0000000000000001
[   37.736195][  T394] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   37.736649][  T394] RBP: ffffc90000987230 R08: ffff888005955000 R09: 0000000000000000
[   37.737083][  T394] R10: ffffc900009875c8 R11: ffffffffb5050668 R12: 1ffff92000130e2c
[   37.737549][  T394] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800e8bb160
[   37.737983][  T394] FS:  00007f69506bf800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   37.738504][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.738880][  T394] CR2: 00000000004e5ac8 CR3: 000000000baaa001 CR4: 0000000000772ef0
[   37.739356][  T394] PKRU: 55555554
[   37.739598][  T394] Call Trace:
[   37.739826][  T394]  <TASK>
[ 37.739985][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.740295][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.740616][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.740918][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.741214][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.741537][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.741844][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.742142][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.742532][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.742834][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.743133][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.743460][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.743771][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.744073][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.744448][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.744760][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.745055][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.745348][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.745658][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.745956][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.746260][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 37.746573][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.746871][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.747190][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.747580][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.747884][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.748185][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.748495][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.748818][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.749112][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.749633][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.750183][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.750588][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.750888][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.751189][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.751518][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.751817][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.752114][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.752428][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.752733][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.753032][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.753327][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.753630][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.753932][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.754231][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.754545][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.754849][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.755151][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.755452][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.755829][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 37.756120][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.756417][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.756818][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.757119][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.757415][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.757724][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.758015][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.758308][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.758621][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 37.758931][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.759291][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.759607][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.759906][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.760218][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.760591][  T394] RIP: 0033:0x7f695088c1e7
[ 37.760903][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.761980][  T394] RSP: 002b:00007ffe9123a298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.762420][  T394] RAX: ffffffffffffffda RBX: 00007ffe9123a9c0 RCX: 00007f695088c1e7
[   37.762872][  T394] RDX: 0000000000000000 RSI: 00007ffe9123a300 RDI: 0000000000000005
[   37.763313][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.763787][  T394] R10: 00007f6950789ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.764221][  T394] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   37.904196][  T395] ------------[ cut here ]------------
| [ 37.904615][ T395] WARNING: CPU: 2 PID: 395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.905194][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.906192][  T395] Tainted: [W]=WARN
[   37.906424][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.906834][ T395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.907143][ T395] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.908173][  T395] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   37.908567][  T395] RAX: 0000000000000000 RBX: ffff888004d59000 RCX: 0000000000000001
[   37.909000][  T395] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   37.909426][  T395] RBP: ffffc900009a7230 R08: ffff888005950800 R09: 0000000000000000
[   37.909870][  T395] R10: ffffc900009a75c8 R11: ffffffffb5050668 R12: 1ffff92000134e2c
[   37.910304][  T395] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800e8bbbe0
[   37.910755][  T395] FS:  00007f5912deb800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   37.911260][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.911669][  T395] CR2: 00000000004e5ac0 CR3: 000000000bc8d003 CR4: 0000000000772ef0
[   37.912105][  T395] PKRU: 55555554
[   37.912330][  T395] Call Trace:
[   37.912576][  T395]  <TASK>
[ 37.912734][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.913036][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.913331][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.913641][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.913934][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.914239][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.914556][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.914859][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.915223][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.915528][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.915840][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.916136][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.916433][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.916765][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.917123][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.917417][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.917726][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.918019][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.918321][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.918632][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.918923][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 37.919226][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.919537][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.919859][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.920226][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.920544][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.920845][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.921143][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.921484][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.921784][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.922073][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.922367][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.922678][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.922974][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.923298][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.923617][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.923927][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.924224][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.924543][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.924839][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.925135][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.925432][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.925741][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.926047][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.926353][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.926665][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.926969][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.927269][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.927575][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.927954][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 37.928255][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.928568][ T395] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.928936][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.929232][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.929543][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.929843][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.930136][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.930453][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.930757][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 37.931089][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.931476][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.931787][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.932094][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.932645][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.933315][  T395] RIP: 0033:0x7f5912fb81e7
[ 37.933857][ T395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.934893][  T395] RSP: 002b:00007ffd41038d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.935333][  T395] RAX: ffffffffffffffda RBX: 00007ffd41039490 RCX: 00007f5912fb81e7
[   37.935809][  T395] RDX: 0000000000000000 RSI: 00007ffd41038dd0 RDI: 0000000000000005
[   37.936244][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.936692][  T395] R10: 00007f5912eb5ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.937124][  T395] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   38.050582][  T396] ------------[ cut here ]------------
| [ 38.050972][ T396] WARNING: CPU: 2 PID: 396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.051587][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.052575][  T396] Tainted: [W]=WARN
[   38.052807][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.053185][ T396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.053509][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.054583][  T396] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   38.055094][  T396] RAX: 0000000000000000 RBX: ffff88800ebf1000 RCX: 0000000000000001
[   38.055565][  T396] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   38.056002][  T396] RBP: ffffc900009b7230 R08: ffff88800eb92000 R09: 0000000000000000
[   38.056453][  T396] R10: ffffc900009b75c8 R11: ffffffffb5050668 R12: 1ffff92000136e2c
[   38.056896][  T396] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff888005438e60
[   38.057340][  T396] FS:  00007f4b856b9800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   38.057862][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.058232][  T396] CR2: 00000000004e73d0 CR3: 000000000bb21005 CR4: 0000000000772ef0
[   38.058682][  T396] PKRU: 55555554
[   38.058914][  T396] Call Trace:
[   38.059144][  T396]  <TASK>
[ 38.059314][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.059633][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.059930][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.060225][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.060536][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.060830][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.061128][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.061455][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.061831][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.062125][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.062418][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.062729][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.063025][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.063319][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.063695][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.063996][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.064286][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.064601][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.064899][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.065192][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.065498][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 38.065806][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.066105][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.066400][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.066776][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.067076][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.067375][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.067682][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.067987][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.068287][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.068590][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.068886][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.069184][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.069494][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.069793][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.070099][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.070393][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.070743][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.071053][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.071344][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.071669][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.071968][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.072261][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.072592][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.072895][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.073189][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.073506][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.073803][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.074099][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.074484][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 38.074773][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.075078][ T396] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.075457][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.075757][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.076056][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.076354][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.076663][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.076956][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.077269][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 38.077572][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.077934][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.078238][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.078553][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.078854][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.079219][  T396] RIP: 0033:0x7f4b858861e7
[ 38.079543][ T396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.080576][  T396] RSP: 002b:00007ffc0ed218f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.081016][  T396] RAX: ffffffffffffffda RBX: 00007ffc0ed22020 RCX: 00007f4b858861e7
[   38.081481][  T396] RDX: 0000000000000000 RSI: 00007ffc0ed21960 RDI: 0000000000000005
[   38.081919][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.082398][  T396] R10: 00007f4b85783ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.082854][  T396] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   38.197369][  T397] ------------[ cut here ]------------
| [ 38.197766][ T397] WARNING: CPU: 2 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.198338][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.199304][  T397] Tainted: [W]=WARN
[   38.199546][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.199915][ T397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.200218][ T397] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.201227][  T397] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246
[   38.202585][  T397] RAX: 0000000000000000 RBX: ffff888006229000 RCX: 0000000000000001
[   38.203022][  T397] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   38.203459][  T397] RBP: ffffc900009e7230 R08: ffff88800571e800 R09: 0000000000000000
[   38.203890][  T397] R10: ffffc900009e75c8 R11: ffffffffb5050668 R12: 1ffff9200013ce2c
[   38.204331][  T397] R13: 00000000000007d0 R14: ffffc900009e7880 R15: ffff88800543b160
[   38.204872][  T397] FS:  00007fd72af53800(0000) GS:ffff88807ffb7000(0000) knlGS:0000000000000000
[   38.205378][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.205753][  T397] CR2: 00000000004e5ab8 CR3: 000000000bc5f006 CR4: 0000000000772ef0
[   38.206188][  T397] PKRU: 55555554
[   38.206412][  T397] Call Trace:
[   38.206657][  T397]  <TASK>
[ 38.206815][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.207116][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.207432][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.207751][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.208046][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.208340][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.208661][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.208961][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.209328][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.209633][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.209928][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.210223][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.210533][ T397] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.210833][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.211192][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.211512][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.211806][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.212095][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.212391][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.212691][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.212980][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 38.213281][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.213588][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.213883][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.214248][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.214556][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.214855][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.215146][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.215465][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.215758][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.216048][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.216340][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.216640][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.216934][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.217232][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.217546][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.217845][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.218141][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.218457][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.218751][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.219047][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.219343][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.219644][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.219952][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.220246][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.220552][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.220854][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.221168][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.221497][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.221883][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 38.222180][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.222489][ T397] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.222852][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.223149][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.223452][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.223751][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.224040][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.224343][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.224652][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 38.224946][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.225302][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.225619][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.225913][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.226209][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.226583][  T397] RIP: 0033:0x7fd72b1201e7
[ 38.226889][ T397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.227902][  T397] RSP: 002b:00007ffd2975c898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.228338][  T397] RAX: ffffffffffffffda RBX: 00007ffd2975cfc0 RCX: 00007fd72b1201e7
[   38.228785][  T397] RDX: 0000000000000000 RSI: 00007ffd2975c900 RDI: 0000000000000005
[   38.229218][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.229659][  T397] R10: 00007fd72b01dee8 R11: 0000000000000246 R12: 0000000000000004
[   38.230089][  T397] R13: 00000000686e4c3f R14: 0000000000499600 R15: 0000000000000000
| [   38.353299][  T398] ------------[ cut here ]------------
| [ 38.353690][ T398] WARNING: CPU: 1 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.354240][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.355174][  T398] Tainted: [W]=WARN
[   38.355382][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.355749][ T398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.356042][ T398] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.357046][  T398] RSP: 0018:ffffc900009f7140 EFLAGS: 00010246
[   38.357394][  T398] RAX: 0000000000000000 RBX: ffff88800b46c000 RCX: 0000000000000001
[   38.357813][  T398] RDX: 0000000000000000 RSI: ffffffffb429b941 RDI: ffffffffb3a555e0
[   38.358223][  T398] RBP: ffffc900009f7230 R08: ffff88800b75e800 R09: 0000000000000000
[   38.358647][  T398] R10: ffffc900009f75c8 R11: ffffffffb5050668 R12: 1ffff9200013ee2c
[   38.359058][  T398] R13: 00000000000007d0 R14: ffffc900009f7880 R15: ffff8880054391e0
[   38.359490][  T398] FS:  00007fe91bd0e800(0000) GS:ffff88807ff37000(0000) knlGS:0000000000000000
[   38.359975][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.360329][  T398] CR2: 00000000004e59c0 CR3: 000000000b817006 CR4: 0000000000772ef0
[   38.360752][  T398] PKRU: 55555554
[   38.360966][  T398] Call Trace:
[   38.361173][  T398]  <TASK>
[ 38.361314][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.361614][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.361889][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.362173][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.362462][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.362737][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.363015][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.363417][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.364060][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.364551][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.365026][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.365510][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.365995][ T398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.366482][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.367059][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.367567][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.368034][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.368520][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.368999][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.369493][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.369950][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 38.370416][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.370899][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.371359][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.371977][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.372474][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.372959][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.373423][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.373933][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.374423][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.374923][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.375390][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.375895][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.376376][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.376869][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.377359][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.377839][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.378311][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.378825][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.379283][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.379819][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.380315][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.380819][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.381322][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.381852][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.382351][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.382870][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.383379][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.383898][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.384524][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 38.385012][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.385520][ T398] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.386128][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.386631][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.387133][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.387678][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.388172][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.388669][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.389176][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 38.389687][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.390291][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.390834][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.391326][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.391851][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.392475][  T398] RIP: 0033:0x7fe91bedb1e7
[ 38.392989][ T398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.394781][  T398] RSP: 002b:00007ffd271f2378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.395551][  T398] RAX: ffffffffffffffda RBX: 00007ffd271f2aa0 RCX: 00007fe91bedb1e7
[   38.396286][  T398] RDX: 0000000000000000 RSI: 00007ffd271f23e0 RDI: 0000000000000005
[   38.397045][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.397787][  T398] R10: 00007fe91bdd8ee8 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