======================================
| [   23.465026][  T340] ip_gre: GRE over IPv4 tunneling driver
| [   23.530666][  T339] ------------[ cut here ]------------
| [ 23.531558][ T339] WARNING: CPU: 2 PID: 339 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) 
| [   23.532740][  T339] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   23.534643][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.535379][ T339] 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) 
[ 23.536014][ T339] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.538013][  T339] RSP: 0018:ffffc90000b37000 EFLAGS: 00010246
[   23.538740][  T339] RAX: 0000000000000000 RBX: ffff88800a809000 RCX: 0000000000000001
[   23.543051][  T339] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   23.543916][  T339] RBP: ffffc90000b370e8 R08: ffff88800a809218 R09: 0000000000000000
[   23.548210][  T339] R10: ffffc90000b37118 R11: dffffc0000000000 R12: 1ffff92000166e04
[   23.549103][  T339] R13: 00000000000005c0 R14: ffffc90000b37118 R15: ffff88800a809218
[   23.549971][  T339] FS:  00007ff26ce17800(0000) GS:ffff8880995b7000(0000) knlGS:0000000000000000
[   23.550851][  T339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.551575][  T339] CR2: 00000000004200f0 CR3: 000000000a744002 CR4: 0000000000772ef0
[   23.552430][  T339] PKRU: 55555554
[   23.552866][  T339] Call Trace:
[   23.553318][  T339]  <TASK>
[ 23.554051][ T339] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.555068][ T339] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.555651][ T339] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.556289][ T339] netif_set_mtu (net/core/dev.c:9652) 
[ 23.556884][ T339] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.557936][ T339] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.558396][ T339] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.559710][ T339] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.560208][ T339] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.560539][ T339] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.561183][ T339] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.561528][ T339] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.562206][ T339] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.562922][ T339] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.563500][ T339] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.564104][ T339] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.564683][ T339] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.565375][ T339] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.565959][ T339] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.566554][ T339] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.567174][ T339] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.567752][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.568375][ T339] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.568957][ T339] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.569547][ T339] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.570130][ T339] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.570624][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.571205][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.571787][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.572389][ T339] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.572983][ T339] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.573587][ T339] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.574166][ T339] ? 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) 
[ 23.574745][ T339] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.575754][ T339] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.576344][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.576947][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.577514][ T339] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.578108][ T339] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.578717][ T339] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.579330][ T339] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.580316][ T339] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.581062][ T339] ___sys_sendmsg (net/socket.c:2670) 
[ 23.581642][ T339] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.582260][ T339] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.582850][ T339] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.583335][ T339] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.583935][ T339] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.584507][ T339] ? mt_find (lib/maple_tree.c:6938) 
[ 23.585007][ T339] __sys_sendmsg (net/socket.c:2700) 
[ 23.585582][ T339] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.586166][ T339] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.586775][ T339] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.587354][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.587960][ T339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.588590][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.589044][  T339] RIP: 0033:0x7ff26cfe41e7
[ 23.589418][ T339] Code: Unable to access opcode bytes at 0x7ff26cfe41bd.

Code starting with the faulting instruction
===========================================
[   23.590088][  T339] RSP: 002b:00007ffe5202e448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.590577][  T339] RAX: ffffffffffffffda RBX: 00007ffe5202eb70 RCX: 00007ff26cfe41e7
[   23.591490][  T339] RDX: 0000000000000000 RSI: 00007ffe5202e4b0 RDI: 0000000000000005
[   23.591974][  T339] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   23.592453][  T339] R10: 00007ff26d072ac0 R11: 0000000000000246 R12: 00007ffe5202eb90
[   23.592942][  T339] R13: 00000000686e4012 R14: 0000000000499600 R15: 00007ffe5202e594
| [   27.111451][  T374] ------------[ cut here ]------------
| [ 27.111916][ T374] WARNING: CPU: 2 PID: 374 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) 
| [   27.112614][  T374] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   27.113800][  T374] Tainted: [W]=WARN
[   27.114133][  T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.114581][ T374] 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) 
[ 27.114959][ T374] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   27.116200][  T374] RSP: 0018:ffffc900006b7000 EFLAGS: 00010246
[   27.116641][  T374] RAX: 0000000000000000 RBX: ffff88800a504000 RCX: 0000000000000001
[   27.117183][  T374] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   27.117714][  T374] RBP: ffffc900006b70e8 R08: ffff88800a504218 R09: 0000000000000000
[   27.118270][  T374] R10: ffffc900006b7118 R11: dffffc0000000000 R12: 1ffff920000d6e04
[   27.118788][  T374] R13: 00000000000005c0 R14: ffffc900006b7118 R15: ffff88800a504218
[   27.119307][  T374] FS:  00007f3950de6800(0000) GS:ffff8880995b7000(0000) knlGS:0000000000000000
[   27.119914][  T374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.120342][  T374] CR2: 00000000004200f0 CR3: 000000000c04f001 CR4: 0000000000772ef0
[   27.120849][  T374] PKRU: 55555554
[   27.121139][  T374] Call Trace:
[   27.121397][  T374]  <TASK>
[ 27.121581][ T374] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 27.122061][ T374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.122416][ T374] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.122773][ T374] netif_set_mtu (net/core/dev.c:9652) 
[ 27.123124][ T374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.123477][ T374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.123747][ T374] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 27.124102][ T374] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 27.124453][ T374] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 27.124808][ T374] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 27.125245][ T374] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 27.125607][ T374] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 27.126020][ T374] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 27.126369][ T374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 27.126702][ T374] ? __dev_get_by_name (net/core/dev.c:865) 
[ 27.127063][ T374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 27.127407][ T374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 27.127752][ T374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.128146][ T374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 27.128532][ T374] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 27.128881][ T374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.129243][ T374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.129587][ T374] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.129946][ T374] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.130307][ T374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.130656][ T374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.131018][ T374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.131368][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.131714][ T374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.132112][ T374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.132461][ T374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.132815][ T374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.133165][ T374] ? 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) 
[ 27.133513][ T374] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.133851][ T374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.134199][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.134549][ T374] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.134903][ T374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.135248][ T374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.135601][ T374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.136002][ T374] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.136349][ T374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.136793][ T374] ___sys_sendmsg (net/socket.c:2670) 
[ 27.137195][ T374] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.137548][ T374] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 27.137917][ T374] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 27.138191][ T374] ? __handle_mm_fault (mm/memory.c:6212) 
[ 27.138541][ T374] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 27.138898][ T374] ? mt_find (lib/maple_tree.c:6938) 
[ 27.139178][ T374] __sys_sendmsg (net/socket.c:2700) 
[ 27.139513][ T374] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.139851][ T374] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 27.140229][ T374] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 27.140563][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.140958][ T374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.141303][ T374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.141726][  T374] RIP: 0033:0x7f3950fb31e7
[ 27.142088][ T374] 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)
[   27.143281][  T374] RSP: 002b:00007ffcebcdec38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.143775][  T374] RAX: ffffffffffffffda RBX: 00007ffcebcdf360 RCX: 00007f3950fb31e7
[   27.144287][  T374] RDX: 0000000000000000 RSI: 00007ffcebcdeca0 RDI: 0000000000000005
[   27.144785][  T374] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   27.145351][  T374] R10: 00007f3951041ac0 R11: 0000000000000246 R12: 00007ffcebcdf380
[   27.145848][  T374] R13: 00000000686e4015 R14: 0000000000499600 R15: 00007ffcebcded84
| [   36.869544][  T419] ------------[ cut here ]------------
| [ 36.870116][ T419] WARNING: CPU: 0 PID: 419 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.870684][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   36.871960][  T419] Tainted: [W]=WARN
[   36.872175][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.872523][ T419] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.872811][ T419] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.873815][  T419] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   36.874192][  T419] RAX: 0000000000000000 RBX: ffff8880081d1000 RCX: 0000000000000001
[   36.874616][  T419] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   36.875042][  T419] RBP: ffffc90000957230 R08: ffff88800b5c5000 R09: 0000000000000000
[   36.875464][  T419] R10: ffffc900009575c8 R11: ffffffff9ba50668 R12: 1ffff9200012ae2c
[   36.875878][  T419] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800dea9c60
[   36.876300][  T419] FS:  00007f74b2798800(0000) GS:ffff8880994b7000(0000) knlGS:0000000000000000
[   36.876791][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.877161][  T419] CR2: 00000000004e5aa0 CR3: 000000000dd33004 CR4: 0000000000772ef0
[   36.877834][  T419] PKRU: 55555554
[   36.878053][  T419] Call Trace:
[   36.878265][  T419]  <TASK>
[ 36.878423][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.878727][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.879028][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.879315][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.879605][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.879911][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.880206][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.880490][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.880843][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.881180][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.881457][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.881735][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.882024][ T419] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.882308][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.882650][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.882942][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.883225][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.883501][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.883792][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.884097][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.884371][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 36.884659][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.884944][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.885229][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.885576][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.885859][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.886151][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.886430][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.886713][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.887016][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.887288][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.887572][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.887847][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.888133][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.888440][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.888727][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.889024][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.889301][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.889588][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.889870][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.890156][ T419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.890434][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.890709][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.890998][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.891279][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.891557][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.891851][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.892151][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.892426][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.892779][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 36.893064][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.893341][ T419] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.893684][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.893982][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.894258][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.894563][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.894841][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.895151][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.895435][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 36.895713][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.896066][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.896352][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.896629][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.896919][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.897259][  T419] RIP: 0033:0x7f74b29651e7
[ 36.897552][ T419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.898558][  T419] RSP: 002b:00007ffcbba64e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.898984][  T419] RAX: ffffffffffffffda RBX: 00007ffcbba65570 RCX: 00007f74b29651e7
[   36.899399][  T419] RDX: 0000000000000000 RSI: 00007ffcbba64eb0 RDI: 0000000000000005
[   36.899821][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.900245][  T419] R10: 00007f74b2862ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.900656][  T419] R13: 00000000686e401f R14: 0000000000499600 R15: 0000000000000000
| [   37.010103][  T420] ------------[ cut here ]------------
| [ 37.010442][ T420] WARNING: CPU: 3 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.011041][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.012078][  T420] Tainted: [W]=WARN
[   37.012312][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.012697][ T420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.014119][ T420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.015225][  T420] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   37.015604][  T420] RAX: 0000000000000000 RBX: ffff888005f11000 RCX: 0000000000000001
[   37.016076][  T420] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   37.016517][  T420] RBP: ffffc90000957230 R08: ffff88800a525000 R09: 0000000000000000
[   37.016986][  T420] R10: ffffc900009575c8 R11: ffffffff9ba50668 R12: 1ffff9200012ae2c
[   37.017433][  T420] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800dea9fe0
[   37.017911][  T420] FS:  00007fa90c79f800(0000) GS:ffff888099637000(0000) knlGS:0000000000000000
[   37.018455][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.018860][  T420] CR2: 00000000004e5aa8 CR3: 000000000b49b003 CR4: 0000000000772ef0
[   37.019322][  T420] PKRU: 55555554
[   37.019547][  T420] Call Trace:
[   37.019781][  T420]  <TASK>
[ 37.019958][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.020257][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.020576][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.020911][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.021217][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.021520][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.021812][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.022119][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.022487][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.022783][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.023081][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.023372][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.023666][ T420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.023965][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.024332][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.024638][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.024937][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.025233][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.025524][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.025824][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.026129][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 37.026424][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.026729][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.027030][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.027396][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.027706][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.028026][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.028343][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.028658][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.028963][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.029259][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.029549][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.029868][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.030192][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.030501][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.030815][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.031125][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.031432][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.031741][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.032056][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.032347][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.032652][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.032955][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.033251][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.033546][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.033836][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.034187][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.034501][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.034804][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.035186][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 37.035471][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.035777][ T420] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.036147][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.036448][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.036751][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.037053][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.037344][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.037642][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.037947][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 37.038235][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.038603][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.038919][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.039210][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.039502][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.039866][  T420] RIP: 0033:0x7fa90c96c1e7
[ 37.040175][ T420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.041221][  T420] RSP: 002b:00007ffed928fb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.041660][  T420] RAX: ffffffffffffffda RBX: 00007ffed9290240 RCX: 00007fa90c96c1e7
[   37.042099][  T420] RDX: 0000000000000000 RSI: 00007ffed928fb80 RDI: 0000000000000005
[   37.042529][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.042974][  T420] R10: 00007fa90c869ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.043411][  T420] R13: 00000000686e401f R14: 0000000000499600 R15: 0000000000000000
| [   37.177949][  T421] ------------[ cut here ]------------
| [ 37.178284][ T421] WARNING: CPU: 0 PID: 421 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.178912][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.179966][  T421] Tainted: [W]=WARN
[   37.180200][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.180586][ T421] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.180922][ T421] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.182032][  T421] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   37.182423][  T421] RAX: 0000000000000000 RBX: ffff88800a809000 RCX: 0000000000000001
[   37.182904][  T421] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   37.183375][  T421] RBP: ffffc90000987230 R08: ffff888002775000 R09: 0000000000000000
[   37.183841][  T421] R10: ffffc900009875c8 R11: ffffffff9ba50668 R12: 1ffff92000130e2c
[   37.184320][  T421] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800deabbe0
[   37.184805][  T421] FS:  00007fb2e890d800(0000) GS:ffff8880994b7000(0000) knlGS:0000000000000000
[   37.185368][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.185761][  T421] CR2: 00000000004e73d0 CR3: 000000000de1f006 CR4: 0000000000772ef0
[   37.186261][  T421] PKRU: 55555554
[   37.186496][  T421] Call Trace:
[   37.186726][  T421]  <TASK>
[ 37.186885][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.187232][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.187573][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.187920][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.188244][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.188580][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.188914][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.189257][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.189675][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.190015][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.190420][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.190720][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.191030][ T421] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.191337][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.191734][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.192062][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.192367][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.192662][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.192984][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.193276][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.193563][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 37.193864][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.194168][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.194477][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.194855][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.195200][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.195512][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.195816][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.196157][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.196476][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.196785][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.197099][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.197397][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.197707][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.198019][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.198316][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.198628][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.198937][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.199249][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.199542][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.199836][ T421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.200140][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.200428][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.200724][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.201029][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.201327][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.201636][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.201943][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.202229][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.202604][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 37.202903][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.203192][ T421] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.203562][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.203859][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.204168][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.204464][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.204753][ T421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.205058][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.205352][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 37.205646][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.206013][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.206318][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.206616][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.206917][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.207279][  T421] RIP: 0033:0x7fb2e8ada1e7
[ 37.207585][ T421] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.208662][  T421] RSP: 002b:00007ffcd33ad708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.209113][  T421] RAX: ffffffffffffffda RBX: 00007ffcd33ade30 RCX: 00007fb2e8ada1e7
[   37.209555][  T421] RDX: 0000000000000000 RSI: 00007ffcd33ad770 RDI: 0000000000000005
[   37.210015][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.210451][  T421] R10: 00007fb2e89d7ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.210898][  T421] R13: 00000000686e401f R14: 0000000000499600 R15: 0000000000000000
| [   37.336378][  T422] ------------[ cut here ]------------
| [ 37.336996][ T422] WARNING: CPU: 2 PID: 422 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.338257][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.340036][  T422] Tainted: [W]=WARN
[   37.340438][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.341107][ T422] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.341649][ T422] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.343473][  T422] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   37.344167][  T422] RAX: 0000000000000000 RBX: ffff888004f84000 RCX: 0000000000000001
[   37.344965][  T422] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   37.345731][  T422] RBP: ffffc90000997230 R08: ffff88800e6c5000 R09: 0000000000000000
[   37.346529][  T422] R10: ffffc900009975c8 R11: ffffffff9ba50668 R12: 1ffff92000132e2c
[   37.347317][  T422] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800deab860
[   37.348103][  T422] FS:  00007f2cb5b20800(0000) GS:ffff8880995b7000(0000) knlGS:0000000000000000
[   37.349050][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.349708][  T422] CR2: 00000000004e5ab0 CR3: 0000000005ddc002 CR4: 0000000000772ef0
[   37.350498][  T422] PKRU: 55555554
[   37.350917][  T422] Call Trace:
[   37.351306][  T422]  <TASK>
[ 37.351588][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.352141][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.352686][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.353238][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.353771][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.354295][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.354819][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.355375][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.356058][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.356573][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.357114][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.357638][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.358157][ T422] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.358683][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.359361][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.359930][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.360459][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.361011][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.361532][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.362095][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.362624][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 37.363175][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.363710][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.364246][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.364906][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.365458][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.366024][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.366548][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.367097][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.367628][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.368179][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.368638][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.368958][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.369298][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.369612][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.369938][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.370382][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.370966][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.371539][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.372088][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.372625][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.373169][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.373477][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.373790][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.374123][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.374446][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.374764][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.375287][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.375656][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.376334][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 37.376873][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.377420][ T422] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.378120][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.378673][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.379209][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.379738][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.380254][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.380745][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.381245][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 37.381764][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.382412][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.382964][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.383530][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.384062][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.384674][  T422] RIP: 0033:0x7f2cb5ced1e7
[ 37.385203][ T422] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.387054][  T422] RSP: 002b:00007ffd7915e9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.387857][  T422] RAX: ffffffffffffffda RBX: 00007ffd7915f120 RCX: 00007f2cb5ced1e7
[   37.388632][  T422] RDX: 0000000000000000 RSI: 00007ffd7915ea60 RDI: 0000000000000005
[   37.389440][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.390230][  T422] R10: 00007f2cb5beaee8 R11: 0000000000000246 R12: 0000000000000004
[   37.391027][  T422] R13: 00000000686e4020 R14: 0000000000499600 R15: 0000000000000000
| [   37.520252][  T423] ------------[ cut here ]------------
| [ 37.520588][ T423] WARNING: CPU: 3 PID: 423 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.521191][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.522202][  T423] Tainted: [W]=WARN
[   37.522426][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.522786][ T423] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.523104][ T423] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.524186][  T423] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   37.524560][  T423] RAX: 0000000000000000 RBX: ffff888008a81000 RCX: 0000000000000001
[   37.525000][  T423] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   37.525442][  T423] RBP: ffffc900009a7230 R08: ffff888007a53800 R09: 0000000000000000
[   37.525875][  T423] R10: ffffc900009a75c8 R11: ffffffff9ba50668 R12: 1ffff92000134e2c
[   37.526328][  T423] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800deaa6e0
[   37.526769][  T423] FS:  00007f552f93e800(0000) GS:ffff888099637000(0000) knlGS:0000000000000000
[   37.527291][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.527658][  T423] CR2: 00000000004e55b8 CR3: 00000000052ba001 CR4: 0000000000772ef0
[   37.528290][  T423] PKRU: 55555554
[   37.528525][  T423] Call Trace:
[   37.528742][  T423]  <TASK>
[ 37.529057][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.529355][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.529641][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.530029][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.530322][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.530613][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.530924][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.531227][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.531614][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.531966][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.532271][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.532575][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.532870][ T423] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.533172][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.533537][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.533837][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.534140][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.534432][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.534725][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.535029][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.535314][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 37.535604][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.535913][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.536212][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.536581][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.536877][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.537185][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.537474][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.537772][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.538072][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.538452][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.538749][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.539055][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.539348][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.539640][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.539974][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.540273][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.540563][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.540864][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.541201][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.541498][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.541838][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.542150][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.542532][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.542826][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.543125][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.543428][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.543723][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.544025][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.544406][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 37.544691][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.544988][ T423] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.545360][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.545656][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.545966][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.546261][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.546550][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.546840][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.547146][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 37.547433][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.547987][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.548493][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.549005][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.549491][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.550099][  T423] RIP: 0033:0x7f552fb0b1e7
[ 37.550607][ T423] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.552506][  T423] RSP: 002b:00007ffcd498f608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.553276][  T423] RAX: ffffffffffffffda RBX: 00007ffcd498fd30 RCX: 00007f552fb0b1e7
[   37.553916][  T423] RDX: 0000000000000000 RSI: 00007ffcd498f670 RDI: 0000000000000005
[   37.554586][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.555464][  T423] R10: 00007f552fa08ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.556204][  T423] R13: 00000000686e4020 R14: 0000000000499600 R15: 0000000000000000
| [   37.672610][  T424] ------------[ cut here ]------------
| [ 37.672963][ T424] WARNING: CPU: 1 PID: 424 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.673526][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.674485][  T424] Tainted: [W]=WARN
[   37.674694][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.675059][ T424] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.675346][ T424] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.676354][  T424] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   37.676704][  T424] RAX: 0000000000000000 RBX: ffff888002099000 RCX: 0000000000000001
[   37.678494][  T424] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   37.679073][  T424] RBP: ffffc900009b7230 R08: ffff88800583e800 R09: 0000000000000000
[   37.679492][  T424] R10: ffffc900009b75c8 R11: ffffffff9ba50668 R12: 1ffff92000136e2c
[   37.679953][  T424] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800dea91e0
[   37.680369][  T424] FS:  00007f42b7655800(0000) GS:ffff888099537000(0000) knlGS:0000000000000000
[   37.680865][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.681232][  T424] CR2: 00000000004e5ac8 CR3: 000000000c22c004 CR4: 0000000000772ef0
[   37.681650][  T424] PKRU: 55555554
[   37.681858][  T424] Call Trace:
[   37.682076][  T424]  <TASK>
[ 37.682220][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.682506][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.682787][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.683087][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.683375][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.683655][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.683948][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.684231][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.684584][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.684867][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.685159][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.685439][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.685720][ T424] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.686006][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.686351][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.686630][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.686929][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.687247][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.687535][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.687814][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.688096][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 37.688399][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.688682][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.688978][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.689325][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.689615][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.689916][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.690206][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.690497][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.690776][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.691061][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.691352][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.691645][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.691936][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.692229][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.692520][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.692799][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.693095][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.693391][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.693670][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.693959][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.694244][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.694532][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.694817][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.695122][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.695421][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.695712][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.696003][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.696280][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.696645][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 37.696954][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.697233][ T424] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.697598][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.697879][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.698174][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.698509][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.698788][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.699082][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.699368][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 37.699650][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.700022][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.700324][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.700604][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.700885][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.701252][  T424] RIP: 0033:0x7f42b78221e7
[ 37.701542][ T424] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.702558][  T424] RSP: 002b:00007fff5c7388a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.702999][  T424] RAX: ffffffffffffffda RBX: 00007fff5c738fd0 RCX: 00007f42b78221e7
[   37.703423][  T424] RDX: 0000000000000000 RSI: 00007fff5c738910 RDI: 0000000000000005
[   37.703855][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.704287][  T424] R10: 00007f42b771fee8 R11: 0000000000000246 R12: 0000000000000004
[   37.704704][  T424] R13: 00000000686e4020 R14: 0000000000499600 R15: 0000000000000000
| [   37.868306][  T425] ------------[ cut here ]------------
| [ 37.868723][ T425] WARNING: CPU: 3 PID: 425 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.869382][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   37.870366][  T425] Tainted: [W]=WARN
[   37.870592][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.870960][ T425] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.871258][ T425] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.872286][  T425] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   37.872661][  T425] RAX: 0000000000000000 RBX: ffff88800b50c000 RCX: 0000000000000001
[   37.873108][  T425] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   37.873547][  T425] RBP: ffffc900009b7230 R08: ffff888002196800 R09: 0000000000000000
[   37.873987][  T425] R10: ffffc900009b75c8 R11: ffffffff9ba50668 R12: 1ffff92000136e2c
[   37.874427][  T425] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff888005048760
[   37.874860][  T425] FS:  00007fa11b0cc800(0000) GS:ffff888099637000(0000) knlGS:0000000000000000
[   37.875385][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.875752][  T425] CR2: 00000000004e5ac0 CR3: 0000000004dd5002 CR4: 0000000000772ef0
[   37.876187][  T425] PKRU: 55555554
[   37.876409][  T425] Call Trace:
[   37.876629][  T425]  <TASK>
[ 37.876771][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.877069][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.877349][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.877656][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.877957][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.878247][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.878556][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.878853][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.879225][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.879506][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.879782][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.880080][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.880377][ T425] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.880668][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.881045][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.881343][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.881637][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.881941][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.882229][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.882518][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.882800][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 37.883091][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.883382][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.883668][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.884037][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.884346][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.884643][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.884950][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.885235][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.885528][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.885814][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.886111][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.886401][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.886696][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.886989][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.887285][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.887566][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.887851][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.888168][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.888477][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.888763][ T425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.889085][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.889387][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.889688][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.889995][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.890291][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.890586][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.890876][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.891174][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.891549][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 37.891834][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.892124][ T425] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.892490][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.892785][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.893083][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.893381][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.893682][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.893971][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.894257][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 37.894537][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.894883][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.895188][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.895481][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.895759][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.896129][  T425] RIP: 0033:0x7fa11b2991e7
[ 37.896426][ T425] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.897444][  T425] RSP: 002b:00007ffec67489e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.897880][  T425] RAX: ffffffffffffffda RBX: 00007ffec6749110 RCX: 00007fa11b2991e7
[   37.898306][  T425] RDX: 0000000000000000 RSI: 00007ffec6748a50 RDI: 0000000000000005
[   37.898739][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.899175][  T425] R10: 00007fa11b196ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.899604][  T425] R13: 00000000686e4020 R14: 0000000000499600 R15: 0000000000000000
| [   38.018201][  T426] ------------[ cut here ]------------
| [ 38.018549][ T426] WARNING: CPU: 3 PID: 426 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.019147][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   38.020408][  T426] Tainted: [W]=WARN
[   38.020638][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.021028][ T426] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.021342][ T426] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.022397][  T426] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   38.022774][  T426] RAX: 0000000000000000 RBX: ffff88800a504000 RCX: 0000000000000001
[   38.023233][  T426] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   38.023672][  T426] RBP: ffffc900009b7230 R08: ffff888005288800 R09: 0000000000000000
[   38.024120][  T426] R10: ffffc900009b75c8 R11: ffffffff9ba50668 R12: 1ffff92000136e2c
[   38.024552][  T426] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800504b860
[   38.025000][  T426] FS:  00007f33d8df7800(0000) GS:ffff888099637000(0000) knlGS:0000000000000000
[   38.025510][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.025864][  T426] CR2: 00000000004e73f8 CR3: 0000000009565003 CR4: 0000000000772ef0
[   38.026304][  T426] PKRU: 55555554
[   38.026518][  T426] Call Trace:
[   38.026734][  T426]  <TASK>
[ 38.026902][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.027209][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.027494][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.027784][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.028073][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.028355][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.028660][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.028968][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.029322][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.029607][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.029884][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.030180][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.030470][ T426] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.030746][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.031109][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.031395][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.031674][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.031964][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.032242][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.032530][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.032819][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 38.033116][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.033418][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.033695][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.034069][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.034355][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.034646][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.034941][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.035226][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.035513][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.035810][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.036117][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.036402][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.036684][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.036977][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.037263][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.037554][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.037842][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.038157][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.038447][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.038735][ T426] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.039029][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.039320][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.039611][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.039925][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.040212][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.040516][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.040802][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.041105][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.041469][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 38.041759][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.042053][ T426] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.042406][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.042703][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.042993][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.043292][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.043577][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.043861][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.044185][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 38.044474][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.044838][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.045159][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.045451][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.045740][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.046115][  T426] RIP: 0033:0x7f33d8fc41e7
[ 38.046421][ T426] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.047485][  T426] RSP: 002b:00007ffdcda32cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.047944][  T426] RAX: ffffffffffffffda RBX: 00007ffdcda33400 RCX: 00007f33d8fc41e7
[   38.048396][  T426] RDX: 0000000000000000 RSI: 00007ffdcda32d40 RDI: 0000000000000005
[   38.048845][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.049288][  T426] R10: 00007f33d8ec1ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.049715][  T426] R13: 00000000686e4020 R14: 0000000000499600 R15: 0000000000000000
| [   38.170355][  T427] ------------[ cut here ]------------
| [ 38.170674][ T427] WARNING: CPU: 1 PID: 427 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.171248][  T427] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   38.173702][  T427] Tainted: [W]=WARN
[   38.174050][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.174398][ T427] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.174687][ T427] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.175814][  T427] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   38.176310][  T427] RAX: 0000000000000000 RBX: ffff888002779000 RCX: 0000000000000001
[   38.176730][  T427] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   38.177290][  T427] RBP: ffffc900009b7230 R08: ffff88800bbc8800 R09: 0000000000000000
[   38.177705][  T427] R10: ffffc900009b75c8 R11: ffffffff9ba50668 R12: 1ffff92000136e2c
[   38.178132][  T427] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff8880050498e0
[   38.178562][  T427] FS:  00007ff0f625d800(0000) GS:ffff888099537000(0000) knlGS:0000000000000000
[   38.179063][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.179415][  T427] CR2: 00000000004e5ab8 CR3: 000000000c301005 CR4: 0000000000772ef0
[   38.179835][  T427] PKRU: 55555554
[   38.180062][  T427] Call Trace:
[   38.180274][  T427]  <TASK>
[ 38.180416][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.180701][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.180995][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.181282][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.181562][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.181839][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.182145][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.182430][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.182785][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.183079][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.183355][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.183637][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.183939][ T427] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.184222][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.184568][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.184849][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.185145][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.185423][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.185704][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.185991][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.186266][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 38.186547][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.186826][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.187114][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.187466][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.187749][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.188047][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.188327][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.188620][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.188913][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.189189][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.189475][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.189754][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.190044][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.190327][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.190612][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.190902][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.191182][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.191473][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.191757][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.192054][ T427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.192340][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.192616][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.192909][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.193193][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.193472][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.193758][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.194050][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.194327][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.194681][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 38.194969][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.195252][ T427] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.195601][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.195917][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.196243][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.196527][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.196806][ T427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.197098][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.197385][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 38.197666][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.198029][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.198322][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.198611][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.198906][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.199252][  T427] RIP: 0033:0x7ff0f642a1e7
[ 38.199538][ T427] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.200551][  T427] RSP: 002b:00007ffe6b1e4718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.200981][  T427] RAX: ffffffffffffffda RBX: 00007ffe6b1e4e40 RCX: 00007ff0f642a1e7
[   38.201400][  T427] RDX: 0000000000000000 RSI: 00007ffe6b1e4780 RDI: 0000000000000005
[   38.201819][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.202250][  T427] R10: 00007ff0f6327ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.202670][  T427] R13: 00000000686e4020 R14: 0000000000499600 R15: 0000000000000000
| [   38.332566][  T428] ------------[ cut here ]------------
| [ 38.334556][ T428] WARNING: CPU: 0 PID: 428 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) 
| [   38.335372][  T428] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   38.336516][  T428] Tainted: [W]=WARN
[   38.336765][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.337181][ T428] 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) 
[ 38.337525][ T428] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.338700][  T428] RSP: 0018:ffffc900009f7140 EFLAGS: 00010246
[   38.339131][  T428] RAX: 0000000000000000 RBX: ffff88800277c000 RCX: 0000000000000001
[   38.339616][  T428] RDX: 0000000000000000 RSI: ffffffff9ac9b941 RDI: ffffffff9a4555e0
[   38.340115][  T428] RBP: ffffc900009f7230 R08: ffff88800516e800 R09: 0000000000000000
[   38.340599][  T428] R10: ffffc900009f75c8 R11: ffffffff9ba50668 R12: 1ffff9200013ee2c
[   38.341093][  T428] R13: 00000000000007d0 R14: ffffc900009f7880 R15: ffff8880050491e0
[   38.341573][  T428] FS:  00007ffbb94fc800(0000) GS:ffff8880994b7000(0000) knlGS:0000000000000000
[   38.342154][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.342560][  T428] CR2: 00000000004e59c0 CR3: 000000000ba58002 CR4: 0000000000772ef0
[   38.343067][  T428] PKRU: 55555554
[   38.343318][  T428] Call Trace:
[   38.343560][  T428]  <TASK>
[ 38.343725][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.344066][ T428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.344401][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.344724][ T428] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.345058][ T428] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.345382][ T428] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.345706][ T428] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.346043][ T428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.346455][ T428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.346777][ T428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.347116][ T428] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.347446][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.347771][ T428] ? __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) 
[ 38.348109][ T428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.348522][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.348857][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.349193][ T428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.349517][ T428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.349853][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.350190][ T428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.350511][ T428] ? __create_object (mm/kmemleak.c:771) 
[ 38.350835][ T428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.351174][ T428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.351505][ T428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.351914][ T428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.352246][ T428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.352577][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.352918][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.353249][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.353572][ T428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.353912][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.354237][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.354554][ T428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.354872][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.355219][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.355548][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.355872][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.356209][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.356555][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.356874][ T428] ? 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) 
[ 38.357207][ T428] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.357532][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.357847][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.358187][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.358540][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.358871][ T428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.359218][ T428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.359549][ T428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.359871][ T428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.360303][ T428] ___sys_sendmsg (net/socket.c:2670) 
[ 38.360623][ T428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.360956][ T428] ? __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) 
[ 38.361363][ T428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.361687][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.362019][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.362348][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.362666][ T428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.363000][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.363330][ T428] __sys_sendmsg (net/socket.c:2700) 
[ 38.363662][ T428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.364075][ T428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.364410][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.364733][ T428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.365069][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.365471][  T428] RIP: 0033:0x7ffbb96c91e7
[ 38.365806][ T428] 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)
[   38.366987][  T428] RSP: 002b:00007ffe8788d7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.367474][  T428] RAX: ffffffffffffffda RBX: 00007ffe8788def0 RCX: 00007ffbb96c91e7
[   38.367971][  T428] RDX: 0000000000000000 RSI: 00007ffe8788d830 RDI: 0000000000000005
[   38.368477][  T428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.368975][  T428] R10: 00007ffbb95c6ee8 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