======================================
| [   20.506411][  T318] ip_gre: GRE over IPv4 tunneling driver
| [   20.560224][  T317] ------------[ cut here ]------------
| [ 20.560749][ T317] WARNING: CPU: 0 PID: 317 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.561364][  T317] Modules linked in: ip_gre gre 8021q vrf veth
[   20.562374][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.562781][ T317] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.563105][ T317] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.564218][  T317] RSP: 0018:ffffc900005a7000 EFLAGS: 00010246
[   20.564620][  T317] RAX: 0000000000000000 RBX: ffff88800b6cc000 RCX: 0000000000000001
[   20.565106][  T317] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   20.565576][  T317] RBP: ffffc900005a70e8 R08: ffff88800b6cc218 R09: 0000000000000000
[   20.566047][  T317] R10: ffffc900005a7118 R11: ffffffffbd179160 R12: 1ffff920000b4e04
[   20.566519][  T317] R13: 00000000000005c0 R14: ffffc900005a7118 R15: ffff88800b6cc218
[   20.567019][  T317] FS:  00007f577a0e7800(0000) GS:ffff8880774b7000(0000) knlGS:0000000000000000
[   20.567573][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.567987][  T317] CR2: 00007fd09a490000 CR3: 0000000009b60002 CR4: 0000000000772ef0
[   20.568458][  T317] PKRU: 55555554
[   20.569762][  T317] Call Trace:
[   20.570001][  T317]  <TASK>
[ 20.570160][ T317] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.570556][ T317] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.570877][ T317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.571193][ T317] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.571576][ T317] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.571898][ T317] netif_set_mtu (net/core/dev.c:9652) 
[ 20.572207][ T317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.572529][ T317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.572864][ T317] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.573178][ T317] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.573494][ T317] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.573814][ T317] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.574198][ T317] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.574513][ T317] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.574830][ T317] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 20.575141][ T317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.575723][ T317] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.576043][ T317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.576354][ T317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.576669][ T317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.576983][ T317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.577299][ T317] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.577633][ T317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.577956][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.578276][ T317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.578584][ T317] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.578903][ T317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.579210][ T317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.579518][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.579841][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.580158][ T317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.580466][ T317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.580791][ T317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.581114][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.581422][ T317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.581742][ T317] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.582057][ T317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.582363][ T317] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.582676][ T317] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.583002][ T317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.584011][ T317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.584549][ T317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.584872][ T317] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.585183][ T317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.585579][ T317] ___sys_sendmsg (net/socket.c:2670) 
[ 20.585916][ T317] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.586236][ T317] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.586553][ T317] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 20.586800][ T317] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.587109][ T317] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.587647][ T317] ? mt_find (lib/maple_tree.c:6938) 
[ 20.587908][ T317] __sys_sendmsg (net/socket.c:2700) 
[ 20.588216][ T317] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.588530][ T317] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.589089][ T317] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 20.589625][ T317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.589944][ T317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.590256][ T317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.591534][  T317] RIP: 0033:0x7f577a2b41e7
[ 20.592117][ T317] Code: Unable to access opcode bytes at 0x7f577a2b41bd.

Code starting with the faulting instruction
===========================================
[   20.592527][  T317] RSP: 002b:00007ffd69085538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.593013][  T317] RAX: ffffffffffffffda RBX: 00007ffd69085c60 RCX: 00007f577a2b41e7
[   20.593482][  T317] RDX: 0000000000000000 RSI: 00007ffd690855a0 RDI: 0000000000000005
[   20.593960][  T317] RBP: 0000000000000008 R08: 00000000000000a8 R09: 0000000000000000
[   20.594427][  T317] R10: 00007f577a1ac6f8 R11: 0000000000000246 R12: 00007ffd69085c80
[   20.596463][  T317] R13: 00000000686e7596 R14: 0000000000499600 R15: 00007ffd69085684
| [   23.114106][  T345] ------------[ cut here ]------------
| [ 23.114539][ T345] WARNING: CPU: 1 PID: 345 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) 
| [   23.116437][  T345] Modules linked in: ip_gre gre 8021q vrf veth
| [   23.117542][  T345] Tainted: [W]=WARN
[   23.117800][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.118188][ T345] 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) 
[ 23.118510][ T345] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.119620][  T345] RSP: 0018:ffffc90000717000 EFLAGS: 00010246
[   23.120023][  T345] RAX: 0000000000000000 RBX: ffff88800dcc9000 RCX: 0000000000000001
[   23.120506][  T345] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   23.120985][  T345] RBP: ffffc900007170e8 R08: ffff88800dcc9218 R09: 0000000000000000
[   23.121444][  T345] R10: ffffc90000717118 R11: ffffffffbd179160 R12: 1ffff920000e2e04
[   23.121912][  T345] R13: 000000000000ffe3 R14: ffffc90000717118 R15: ffff88800dcc9218
[   23.122378][  T345] FS:  00007f977843b800(0000) GS:ffff888077537000(0000) knlGS:0000000000000000
[   23.122927][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.123325][  T345] CR2: 00000000004200f0 CR3: 000000000bb6e005 CR4: 0000000000772ef0
[   23.123805][  T345] PKRU: 55555554
[   23.124047][  T345] Call Trace:
[   23.124276][  T345]  <TASK>
[ 23.124434][ T345] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.124832][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.125146][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.125466][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.125783][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.126109][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.126341][ T345] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.126650][ T345] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.126994][ T345] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.127318][ T345] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.127707][ T345] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.128042][ T345] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.128354][ T345] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 23.128665][ T345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.128978][ T345] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.129281][ T345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.129591][ T345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.129908][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.130208][ T345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.130518][ T345] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.130857][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.131172][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.131487][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.131802][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.132129][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.132433][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.132756][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.133064][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.133376][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.133693][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.134011][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.134332][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.134636][ T345] ? 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) 
[ 23.134958][ T345] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.135270][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.135573][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.135903][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.136223][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.136537][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.136861][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.137173][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.137476][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.137923][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.138232][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.138537][ T345] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.138871][ T345] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.139116][ T345] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.139424][ T345] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.139728][ T345] ? mt_find (lib/maple_tree.c:6938) 
[ 23.140007][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.140315][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.140620][ T345] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.140955][ T345] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.141264][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.141574][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.141894][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.142269][  T345] RIP: 0033:0x7f97786081e7
[ 23.142584][ T345] 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)
[   23.143693][  T345] RSP: 002b:00007ffc9c035868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.144167][  T345] RAX: ffffffffffffffda RBX: 00007ffc9c035f90 RCX: 00007f97786081e7
[   23.144637][  T345] RDX: 0000000000000000 RSI: 00007ffc9c0358d0 RDI: 0000000000000005
[   23.145102][  T345] RBP: 000000000000000a R08: 00000000000000b0 R09: 0000000000000000
[   23.145565][  T345] R10: 00007f9778696ac0 R11: 0000000000000246 R12: 00007ffc9c035fb0
[   23.146031][  T345] R13: 00000000686e7598 R14: 0000000000499600 R15: 00007ffc9c0359b4
| [   37.004056][  T391] ------------[ cut here ]------------
| [ 37.004574][ T391] WARNING: CPU: 2 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) 
| [   37.005329][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.006403][  T391] Tainted: [W]=WARN
[   37.006639][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.007032][ 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) 
[ 37.007348][ T391] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.008430][  T391] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   37.008826][  T391] RAX: 0000000000000000 RBX: ffff888008a59000 RCX: 0000000000000001
[   37.009603][  T391] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.010078][  T391] RBP: ffffc90000977230 R08: ffff88800517e800 R09: 0000000000000000
[   37.010535][  T391] R10: ffffc900009775c8 R11: ffffffffbda50668 R12: 1ffff9200012ee2c
[   37.011005][  T391] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800badce60
[   37.011455][  T391] FS:  00007f24a0dc7800(0000) GS:ffff8880775b7000(0000) knlGS:0000000000000000
[   37.011987][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.012365][  T391] CR2: 00000000004e5aa0 CR3: 0000000004d8e005 CR4: 0000000000772ef0
[   37.012846][  T391] PKRU: 55555554
[   37.013079][  T391] Call Trace:
[   37.013313][  T391]  <TASK>
[ 37.013478][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.013812][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.014124][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.014437][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.014752][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.015068][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.015381][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.015692][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.016097][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.016406][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.016713][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.017036][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.017346][ 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) 
[ 37.017670][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.018058][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.018368][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.018672][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.019047][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.019354][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.019663][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.019971][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 37.020281][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.020585][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.020899][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.021273][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.021588][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.021908][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.022213][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.022526][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.022843][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.023150][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.023455][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.023768][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.024080][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.024390][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.024701][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.025026][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.025329][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.025643][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.025953][ 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) 
[ 37.026267][ T391] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.026580][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.026894][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.027204][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.027530][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.027855][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.028169][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.028485][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.028799][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.029185][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 37.029487][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.029813][ 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) 
[ 37.030195][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.030502][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.030826][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.031140][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.031445][ 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) 
[ 37.031761][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.032072][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 37.032374][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.032760][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.033084][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.033392][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.033698][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.034086][  T391] RIP: 0033:0x7f24a0f941e7
[ 37.034406][ 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)
[   37.035476][  T391] RSP: 002b:00007ffd4dd485d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.035943][  T391] RAX: ffffffffffffffda RBX: 00007ffd4dd48d00 RCX: 00007f24a0f941e7
[   37.036390][  T391] RDX: 0000000000000000 RSI: 00007ffd4dd48640 RDI: 0000000000000005
[   37.036848][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.037307][  T391] R10: 00007f24a0e91ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.037778][  T391] R13: 00000000686e75a6 R14: 0000000000499600 R15: 0000000000000000
| [   37.192902][  T392] ------------[ cut here ]------------
| [ 37.193296][ T392] WARNING: CPU: 0 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) 
| [   37.193862][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.194848][  T392] Tainted: [W]=WARN
[   37.195061][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.195404][ 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) 
[ 37.195689][ T392] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.196681][  T392] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   37.197038][  T392] RAX: 0000000000000000 RBX: ffff888008714000 RCX: 0000000000000001
[   37.197450][  T392] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.197885][  T392] RBP: ffffc900009a7230 R08: ffff88800dff3800 R09: 0000000000000000
[   37.198298][  T392] R10: ffffc900009a75c8 R11: ffffffffbda50668 R12: 1ffff92000134e2c
[   37.198707][  T392] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800badd8e0
[   37.199127][  T392] FS:  00007f8f8d92d800(0000) GS:ffff8880774b7000(0000) knlGS:0000000000000000
[   37.199605][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.200014][  T392] CR2: 00000000004e5aa8 CR3: 000000000a95e005 CR4: 0000000000772ef0
[   37.200430][  T392] PKRU: 55555554
[   37.200637][  T392] Call Trace:
[   37.200854][  T392]  <TASK>
[ 37.200994][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.201275][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.201551][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.201850][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.202130][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.202405][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.202684][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.202973][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.203319][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.203599][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.203883][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.204160][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.204435][ 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) 
[ 37.204711][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.205068][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.205344][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.205617][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.205905][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.206180][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.206454][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.206727][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 37.207021][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.207297][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.207579][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.207942][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.208223][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.208501][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.208785][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.209066][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.209341][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.209612][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.209900][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.210179][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.210455][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.210764][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.211046][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.211323][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.211600][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.211898][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.212177][ 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) 
[ 37.212455][ T392] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.212749][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.213023][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.213301][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.213583][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.213870][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.214161][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.214441][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.214715][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.215087][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 37.215360][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.215634][ 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) 
[ 37.215990][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.216273][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.216551][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.216846][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.217124][ 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) 
[ 37.217398][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.217691][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 37.217976][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.218317][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.218607][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.218891][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.219168][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.219509][  T392] RIP: 0033:0x7f8f8dafa1e7
[ 37.219803][ 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)
[   37.220799][  T392] RSP: 002b:00007ffe15c4f4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.221214][  T392] RAX: ffffffffffffffda RBX: 00007ffe15c4fbd0 RCX: 00007f8f8dafa1e7
[   37.221630][  T392] RDX: 0000000000000000 RSI: 00007ffe15c4f510 RDI: 0000000000000005
[   37.222051][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.222465][  T392] R10: 00007f8f8d9f7ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.222883][  T392] R13: 00000000686e75a6 R14: 0000000000499600 R15: 0000000000000000
| [   37.352845][  T393] ------------[ cut here ]------------
| [ 37.353339][ T393] WARNING: CPU: 0 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) 
| [   37.354479][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.355577][  T393] Tainted: [W]=WARN
[   37.355898][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.356308][ 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) 
[ 37.356691][ T393] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.358020][  T393] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   37.358444][  T393] RAX: 0000000000000000 RBX: ffff88800b6cc000 RCX: 0000000000000001
[   37.358973][  T393] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.359449][  T393] RBP: ffffc900009b7230 R08: ffff88800e92e800 R09: 0000000000000000
[   37.359888][  T393] R10: ffffc900009b75c8 R11: ffffffffbda50668 R12: 1ffff92000136e2c
[   37.360385][  T393] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800bade360
[   37.360920][  T393] FS:  00007f3b4d580800(0000) GS:ffff8880774b7000(0000) knlGS:0000000000000000
[   37.361467][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.361836][  T393] CR2: 00000000004e73b8 CR3: 000000000b533002 CR4: 0000000000772ef0
[   37.362492][  T393] PKRU: 55555554
[   37.362702][  T393] Call Trace:
[   37.362928][  T393]  <TASK>
[ 37.363074][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.363356][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.363640][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.363940][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.364216][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.364491][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.364779][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.365093][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.365453][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.365728][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.366148][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.366430][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.366712][ 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) 
[ 37.367097][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.367449][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.367761][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.368051][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.368415][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.368694][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.369015][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.369316][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 37.369595][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.369909][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.370191][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.370534][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.370834][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.371202][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.371481][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.371879][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.372161][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.372520][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.372852][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.373146][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.373426][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.373706][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.374074][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.374354][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.374628][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.374945][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.375219][ 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) 
[ 37.375497][ T393] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.375784][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.376069][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.376350][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.376626][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.376950][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.377240][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.377527][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.377815][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.378179][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 37.378452][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.378728][ 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) 
[ 37.379098][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.379378][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.379657][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.379962][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.380243][ 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) 
[ 37.380517][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.380807][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 37.381110][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.381460][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.381823][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.382209][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.382544][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.382973][  T393] RIP: 0033:0x7f3b4d74d1e7
[ 37.383347][ 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)
[   37.384962][  T393] RSP: 002b:00007ffce9834138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.385687][  T393] RAX: ffffffffffffffda RBX: 00007ffce9834860 RCX: 00007f3b4d74d1e7
[   37.386266][  T393] RDX: 0000000000000000 RSI: 00007ffce98341a0 RDI: 0000000000000005
[   37.386688][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.387122][  T393] R10: 00007f3b4d64aee8 R11: 0000000000000246 R12: 0000000000000004
[   37.387542][  T393] R13: 00000000686e75a7 R14: 0000000000499600 R15: 0000000000000000
| [   37.527117][  T394] ------------[ cut here ]------------
| [ 37.527442][ T394] WARNING: CPU: 0 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) 
| [   37.528222][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.529188][  T394] Tainted: [W]=WARN
[   37.529398][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.529757][ 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) 
[ 37.530061][ T394] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.531052][  T394] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   37.531401][  T394] RAX: 0000000000000000 RBX: ffff888009e39000 RCX: 0000000000000001
[   37.531826][  T394] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.532253][  T394] RBP: ffffc900009d7230 R08: ffff88800c210800 R09: 0000000000000000
[   37.532685][  T394] R10: ffffc900009d75c8 R11: ffffffffbda50668 R12: 1ffff9200013ae2c
[   37.533142][  T394] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff88800badede0
[   37.533553][  T394] FS:  00007f1f10ffe800(0000) GS:ffff8880774b7000(0000) knlGS:0000000000000000
[   37.534070][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.534418][  T394] CR2: 00000000004e5ab0 CR3: 0000000009b63003 CR4: 0000000000772ef0
[   37.534844][  T394] PKRU: 55555554
[   37.535052][  T394] Call Trace:
[   37.535257][  T394]  <TASK>
[ 37.535399][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.535686][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.535981][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.536263][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.536542][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.536865][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.537149][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.537431][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.537815][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.538092][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.538366][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.538644][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.538937][ 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) 
[ 37.539213][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.539558][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.539852][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.540129][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.540401][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.540710][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.541004][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.541283][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 37.541561][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.541850][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.542133][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.542476][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.542775][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.543057][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.543329][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.543611][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.543895][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.544175][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.544453][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.544775][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.545056][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.545335][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.545617][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.545902][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.546178][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.546470][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.546760][ 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) 
[ 37.547038][ T394] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.547316][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.547607][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.547902][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.548185][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.548470][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.548798][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.549081][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.549352][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.549724][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 37.550009][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.550285][ 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) 
[ 37.550644][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.550946][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.551225][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.551507][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.551793][ 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) 
[ 37.552070][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.552350][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 37.552630][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.553011][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.553306][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.553587][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.553877][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.554218][  T394] RIP: 0033:0x7f1f111cb1e7
[ 37.554508][ 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)
[   37.555504][  T394] RSP: 002b:00007fff1a5b6cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.555930][  T394] RAX: ffffffffffffffda RBX: 00007fff1a5b7400 RCX: 00007f1f111cb1e7
[   37.556345][  T394] RDX: 0000000000000000 RSI: 00007fff1a5b6d40 RDI: 0000000000000005
[   37.557003][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.557641][  T394] R10: 00007f1f110c8ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.558335][  T394] R13: 00000000686e75a7 R14: 0000000000499600 R15: 0000000000000000
| [   37.678700][  T395] ------------[ cut here ]------------
| [ 37.679037][ T395] WARNING: CPU: 3 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) 
| [   37.679595][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.680530][  T395] Tainted: [W]=WARN
[   37.680751][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.681093][ 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) 
[ 37.681377][ T395] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.682397][  T395] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   37.682758][  T395] RAX: 0000000000000000 RBX: ffff888009091000 RCX: 0000000000000001
[   37.683171][  T395] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.683583][  T395] RBP: ffffc900009d7230 R08: ffff88800bb32000 R09: 0000000000000000
[   37.684000][  T395] R10: ffffc900009d75c8 R11: ffffffffbda50668 R12: 1ffff9200013ae2c
[   37.684412][  T395] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff88800badf860
[   37.684828][  T395] FS:  00007f4192dd6800(0000) GS:ffff888077637000(0000) knlGS:0000000000000000
[   37.685306][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.685660][  T395] CR2: 00000000004e55b8 CR3: 0000000009295002 CR4: 0000000000772ef0
[   37.686081][  T395] PKRU: 55555554
[   37.686289][  T395] Call Trace:
[   37.686495][  T395]  <TASK>
[ 37.686636][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.686929][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.687236][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.687528][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.687817][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.688096][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.688378][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.688658][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.689019][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.689300][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.689571][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.689855][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.690134][ 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) 
[ 37.690422][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.690789][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.691084][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.691372][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.691645][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.691932][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.692220][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.692491][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 37.692776][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.693051][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.693325][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.693672][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.693962][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.694241][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.694516][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.694805][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.695081][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.695352][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.695635][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.695917][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.696194][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.696473][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.696775][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.697070][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.697368][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.697675][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.697982][ 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) 
[ 37.698276][ T395] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.698554][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.698834][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.699115][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.699396][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.699671][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.699971][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.700253][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.700536][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.700904][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 37.701178][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.701478][ 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) 
[ 37.701850][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.702138][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.702435][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.702716][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.703008][ 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) 
[ 37.703286][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.703568][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 37.703851][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.704201][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.704490][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.704777][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.705057][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.705399][  T395] RIP: 0033:0x7f4192fa31e7
[ 37.705687][ 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)
[   37.706688][  T395] RSP: 002b:00007ffdbb85af88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.707116][  T395] RAX: ffffffffffffffda RBX: 00007ffdbb85b6b0 RCX: 00007f4192fa31e7
[   37.707529][  T395] RDX: 0000000000000000 RSI: 00007ffdbb85aff0 RDI: 0000000000000005
[   37.707957][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.708366][  T395] R10: 00007f4192ea0ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.708785][  T395] R13: 00000000686e75a7 R14: 0000000000499600 R15: 0000000000000000
| [   37.820619][  T396] ------------[ cut here ]------------
| [ 37.820960][ T396] WARNING: CPU: 3 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) 
| [   37.821516][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.822630][  T396] Tainted: [W]=WARN
[   37.822864][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.823225][ 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) 
[ 37.823526][ T396] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.824540][  T396] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   37.824913][  T396] RAX: 0000000000000000 RBX: ffff888009e79000 RCX: 0000000000000001
[   37.825340][  T396] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.825767][  T396] RBP: ffffc90000967230 R08: ffff88800b78b800 R09: 0000000000000000
[   37.826200][  T396] R10: ffffc900009675c8 R11: ffffffffbda50668 R12: 1ffff9200012ce2c
[   37.826627][  T396] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800a3b5c60
[   37.827050][  T396] FS:  00007fc90da62800(0000) GS:ffff888077637000(0000) knlGS:0000000000000000
[   37.827565][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.827933][  T396] CR2: 00000000004e5ac8 CR3: 000000000986a003 CR4: 0000000000772ef0
[   37.828346][  T396] PKRU: 55555554
[   37.828562][  T396] Call Trace:
[   37.828790][  T396]  <TASK>
[ 37.828933][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.829217][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.829523][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.829831][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.830141][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.830432][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.830712][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.831005][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.831370][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.831664][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.831960][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.832254][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.832545][ 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) 
[ 37.832832][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.833177][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.833465][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.833769][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.834041][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.834325][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.834602][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.834881][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 37.835160][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.835435][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.835709][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.836066][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.836347][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.836627][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.836911][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.837196][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.837471][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.837761][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.838038][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.838317][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.838593][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.838880][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.839162][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.839439][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.839714][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.840012][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.840294][ 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) 
[ 37.840571][ T396] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.840857][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.841133][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.841432][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.841711][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.841997][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.842303][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.842596][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.842896][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.843269][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 37.843553][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.843855][ 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) 
[ 37.844214][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.844510][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.844849][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.845224][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.845523][ 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) 
[ 37.845825][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.846109][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 37.846380][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.846726][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.847030][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.847318][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.847608][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.847975][  T396] RIP: 0033:0x7fc90dc2f1e7
[ 37.848262][ 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)
[   37.849285][  T396] RSP: 002b:00007ffc291ed338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.849728][  T396] RAX: ffffffffffffffda RBX: 00007ffc291eda60 RCX: 00007fc90dc2f1e7
[   37.850166][  T396] RDX: 0000000000000000 RSI: 00007ffc291ed3a0 RDI: 0000000000000005
[   37.850586][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.851045][  T396] R10: 00007fc90db2cee8 R11: 0000000000000246 R12: 0000000000000004
[   37.851455][  T396] R13: 00000000686e75a7 R14: 0000000000499600 R15: 0000000000000000
| [   37.977409][  T397] ------------[ cut here ]------------
| [ 37.977753][ T397] WARNING: CPU: 0 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) 
| [   37.978304][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.979247][  T397] Tainted: [W]=WARN
[   37.979457][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.979809][ 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) 
[ 37.980095][ T397] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.981088][  T397] RSP: 0018:ffffc900009d7140 EFLAGS: 00010246
[   37.981436][  T397] RAX: 0000000000000000 RBX: ffff888009094000 RCX: 0000000000000001
[   37.981854][  T397] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   37.982267][  T397] RBP: ffffc900009d7230 R08: ffff888008cdb800 R09: 0000000000000000
[   37.982681][  T397] R10: ffffc900009d75c8 R11: ffffffffbda50668 R12: 1ffff9200013ae2c
[   37.983098][  T397] R13: 00000000000007d0 R14: ffffc900009d7880 R15: ffff88800a3b51e0
[   37.983510][  T397] FS:  00007f1d6a2d3800(0000) GS:ffff8880774b7000(0000) knlGS:0000000000000000
[   37.983995][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.984348][  T397] CR2: 00000000004e5ac0 CR3: 000000000a652001 CR4: 0000000000772ef0
[   37.984766][  T397] PKRU: 55555554
[   37.984973][  T397] Call Trace:
[   37.985179][  T397]  <TASK>
[ 37.985319][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.985600][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.985881][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.986161][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.986442][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.986718][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.987005][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.987287][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.987651][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.987936][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.988211][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.988489][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.988773][ 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) 
[ 37.989049][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.989387][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.989664][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.989947][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.990225][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.990500][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.990782][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.991054][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 37.991329][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.991602][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.991885][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.992225][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.992508][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.992796][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.993075][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.993352][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.993626][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.993907][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.994183][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.994458][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.994760][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.995042][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.995320][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.995594][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.995879][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.996163][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.996437][ 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) 
[ 37.996721][ T397] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.997012][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.997286][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.997575][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.997883][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.998156][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.998438][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.998726][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.999012][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.999363][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 37.999634][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.999921][ 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) 
[ 38.000262][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.000541][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.000834][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.001115][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.001390][ 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) 
[ 38.001666][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.001958][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 38.002232][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.002572][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.002880][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.003158][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.003434][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.003782][  T397] RIP: 0033:0x7f1d6a4a01e7
[ 38.004085][ 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)
[   38.005078][  T397] RSP: 002b:00007ffefd1bb438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.005494][  T397] RAX: ffffffffffffffda RBX: 00007ffefd1bbb60 RCX: 00007f1d6a4a01e7
[   38.005917][  T397] RDX: 0000000000000000 RSI: 00007ffefd1bb4a0 RDI: 0000000000000005
[   38.006327][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.006755][  T397] R10: 00007f1d6a39dee8 R11: 0000000000000246 R12: 0000000000000004
[   38.007167][  T397] R13: 00000000686e75a7 R14: 0000000000499600 R15: 0000000000000000
| [   38.119490][  T398] ------------[ cut here ]------------
| [ 38.120358][ T398] WARNING: CPU: 3 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.120924][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.121863][  T398] Tainted: [W]=WARN
[   38.122072][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.122416][ 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) 
[ 38.122700][ T398] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.123693][  T398] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   38.124059][  T398] RAX: 0000000000000000 RBX: ffff88800dcc9000 RCX: 0000000000000001
[   38.124471][  T398] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   38.124891][  T398] RBP: ffffc90000967230 R08: ffff888008b86800 R09: 0000000000000000
[   38.125306][  T398] R10: ffffc900009675c8 R11: ffffffffbda50668 R12: 1ffff9200012ce2c
[   38.125725][  T398] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800a3b66e0
[   38.126144][  T398] FS:  00007f8259d30800(0000) GS:ffff888077637000(0000) knlGS:0000000000000000
[   38.126623][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.126981][  T398] CR2: 00000000004e73d0 CR3: 000000000dd1b005 CR4: 0000000000772ef0
[   38.127403][  T398] PKRU: 55555554
[   38.127622][  T398] Call Trace:
[   38.127839][  T398]  <TASK>
[ 38.127981][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.128264][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.128539][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.128830][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.129105][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.129389][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.129669][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.129964][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.130311][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.130585][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.130876][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.131161][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.131439][ 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) 
[ 38.131713][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.132064][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.132341][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.132614][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.132896][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.133173][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.133455][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.133728][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 38.134017][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.134291][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.134567][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.134917][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.135198][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.135483][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.135766][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.136047][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.136322][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.136593][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.136880][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.137155][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.137433][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.137748][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.138031][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.138306][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.138582][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.138882][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.139158][ 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) 
[ 38.139437][ T398] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.139724][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.140029][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.140309][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.140588][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.140897][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.141197][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.141481][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.141771][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.142136][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 38.142408][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.142701][ 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) 
[ 38.143058][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.143336][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.143614][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.143906][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.144182][ 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) 
[ 38.144459][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.144755][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 38.145028][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.145369][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.145657][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.145944][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.146228][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.146570][  T398] RIP: 0033:0x7f8259efd1e7
[ 38.146868][ 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)
[   38.147869][  T398] RSP: 002b:00007fffb92a4ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.148295][  T398] RAX: ffffffffffffffda RBX: 00007fffb92a5210 RCX: 00007f8259efd1e7
[   38.148709][  T398] RDX: 0000000000000000 RSI: 00007fffb92a4b50 RDI: 0000000000000005
[   38.149136][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.149552][  T398] R10: 00007f8259dfaee8 R11: 0000000000000246 R12: 0000000000000004
[   38.149980][  T398] R13: 00000000686e75a7 R14: 0000000000499600 R15: 0000000000000000
| [   38.273982][  T399] ------------[ cut here ]------------
| [ 38.274321][ T399] WARNING: CPU: 3 PID: 399 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) 
| [   38.275446][  T399] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.276420][  T399] Tainted: [W]=WARN
[   38.276644][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.277006][ T399] 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) 
[ 38.277296][ T399] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.278301][  T399] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   38.278649][  T399] RAX: 0000000000000000 RBX: ffff888009e3c000 RCX: 0000000000000001
[   38.279099][  T399] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   38.279515][  T399] RBP: ffffc90000967230 R08: ffff888009dcd000 R09: 0000000000000000
[   38.279938][  T399] R10: ffffc900009675c8 R11: ffffffffbda50668 R12: 1ffff9200012ce2c
[   38.280349][  T399] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff888009d29c60
[   38.280795][  T399] FS:  00007fef4b3ee800(0000) GS:ffff888077637000(0000) knlGS:0000000000000000
[   38.281282][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.281669][  T399] CR2: 00000000004e5ab8 CR3: 0000000009afb001 CR4: 0000000000772ef0
[   38.282146][  T399] PKRU: 55555554
[   38.282368][  T399] Call Trace:
[   38.282582][  T399]  <TASK>
[ 38.282755][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.283057][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.283351][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.283652][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.283969][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.284278][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.284573][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.284902][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.285303][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.285595][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.285899][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.286194][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.286492][ T399] ? __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) 
[ 38.286810][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.287174][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.287472][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.287786][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.288097][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.288391][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.288694][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.288993][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 38.289301][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.289603][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.289911][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.290286][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.290577][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.290897][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.291197][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.291495][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.291791][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.292095][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.292392][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.292680][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.292996][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.293293][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.293588][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.293885][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.294179][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.294497][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.294811][ T399] ? 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) 
[ 38.295106][ T399] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.295412][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.295702][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.296010][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.296326][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.296636][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.296951][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.297264][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.297569][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.297983][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 38.298289][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.298581][ T399] ? __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) 
[ 38.298978][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.299281][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.299578][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.299897][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.300188][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.300482][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.300792][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 38.301084][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.301455][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.301773][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.302084][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.302383][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.302760][  T399] RIP: 0033:0x7fef4b5bb1e7
[ 38.303063][ T399] 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)
[   38.304144][  T399] RSP: 002b:00007fffa5377f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.304589][  T399] RAX: ffffffffffffffda RBX: 00007fffa5378630 RCX: 00007fef4b5bb1e7
[   38.305050][  T399] RDX: 0000000000000000 RSI: 00007fffa5377f70 RDI: 0000000000000005
[   38.305493][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.305940][  T399] R10: 00007fef4b4b8ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.306375][  T399] R13: 00000000686e75a8 R14: 0000000000499600 R15: 0000000000000000
| [   38.450257][  T400] ------------[ cut here ]------------
| [ 38.451587][ T400] WARNING: CPU: 0 PID: 400 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) 
| [   38.452586][  T400] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.454227][  T400] Tainted: [W]=WARN
[   38.454601][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.455228][ T400] 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) 
[ 38.455764][ T400] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.457512][  T400] RSP: 0018:ffffc90000597140 EFLAGS: 00010246
[   38.457919][  T400] RAX: 0000000000000000 RBX: ffff888008a9c000 RCX: 0000000000000001
[   38.458334][  T400] RDX: 0000000000000000 RSI: ffffffffbcc9b939 RDI: ffffffffbc4555e0
[   38.458761][  T400] RBP: ffffc90000597230 R08: ffff888005ad0800 R09: 0000000000000000
[   38.459172][  T400] R10: ffffc900005975c8 R11: ffffffffbda50668 R12: 1ffff920000b2e2c
[   38.459582][  T400] R13: 00000000000007d0 R14: ffffc90000597880 R15: ffff8880098e03e0
[   38.460008][  T400] FS:  00007f57e06e8800(0000) GS:ffff8880774b7000(0000) knlGS:0000000000000000
[   38.460494][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.460848][  T400] CR2: 00000000004e59c0 CR3: 000000000b6d3006 CR4: 0000000000772ef0
[   38.461263][  T400] PKRU: 55555554
[   38.461470][  T400] Call Trace:
[   38.461676][  T400]  <TASK>
[ 38.461826][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.462114][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.462394][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.462675][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.462960][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.463234][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.463513][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.463802][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.464157][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.464431][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.464705][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.464992][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.465269][ T400] ? __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) 
[ 38.465547][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.465898][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.466182][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.466455][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.466726][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.467019][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.467294][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.467577][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 38.467868][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.468144][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.468425][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.468777][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.469059][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.469338][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.469612][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.469903][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.470181][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.470458][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.470745][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.471018][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.471291][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.471569][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.471859][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.472134][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.472411][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.472704][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.472995][ T400] ? 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) 
[ 38.473273][ T400] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.473551][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.473840][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.474122][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.474400][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.474681][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.474973][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.475256][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.475531][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.475895][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 38.476168][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.476442][ T400] ? __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) 
[ 38.476805][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.477082][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.477357][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.477647][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.477930][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.478207][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.478490][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 38.478780][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.479124][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.479410][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.479687][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.479980][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.480320][  T400] RIP: 0033:0x7f57e08b51e7
[ 38.480605][ T400] 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)
[   38.481603][  T400] RSP: 002b:00007ffdaa7aca68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.482032][  T400] RAX: ffffffffffffffda RBX: 00007ffdaa7ad190 RCX: 00007f57e08b51e7
[   38.482447][  T400] RDX: 0000000000000000 RSI: 00007ffdaa7acad0 RDI: 0000000000000005
[   38.482884][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.483297][  T400] R10: 00007f57e07b2ee8 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