======================================
| [   21.146915][  T317] ip_gre: GRE over IPv4 tunneling driver
| [   21.191103][  T316] ------------[ cut here ]------------
| [ 21.193556][ T316] WARNING: CPU: 3 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.194207][  T316] Modules linked in: ip_gre gre 8021q vrf veth
[   21.196108][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.196800][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.197147][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.198586][  T316] RSP: 0018:ffffc90000597000 EFLAGS: 00010246
[   21.198994][  T316] RAX: 0000000000000000 RBX: ffff88800d351000 RCX: 0000000000000001
[   21.199470][  T316] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   21.200231][  T316] RBP: ffffc900005970e8 R08: ffff88800d351218 R09: 0000000000000000
[   21.200992][  T316] R10: ffffc90000597118 R11: ffffffff9c979160 R12: 1ffff920000b2e04
[   21.201475][  T316] R13: 00000000000005c0 R14: ffffc90000597118 R15: ffff88800d351218
[   21.202246][  T316] FS:  00007f00d6418800(0000) GS:ffff888091037000(0000) knlGS:0000000000000000
[   21.203082][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.203483][  T316] CR2: 00007f8d9672e000 CR3: 000000000d18d005 CR4: 0000000000772ef0
[   21.204138][  T316] PKRU: 55555554
[   21.204380][  T316] Call Trace:
[   21.204748][  T316]  <TASK>
[ 21.204913][ T316] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.205307][ T316] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 21.205636][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.205959][ T316] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 21.206627][ T316] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 21.206946][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 21.207272][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.207641][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.207889][ T316] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.208207][ T316] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.208554][ T316] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.208878][ T316] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.209269][ T316] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.209592][ T316] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.209930][ T316] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.210249][ T316] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.210558][ T316] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.210894][ T316] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.211204][ T316] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.211521][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.211827][ T316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.212152][ T316] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.212479][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.212803][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.213127][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.213431][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.213756][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.214065][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.214373][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.214696][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.215007][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.215318][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.215633][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.215949][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.216255][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.216570][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.216903][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.217209][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.217527][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.217843][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.218160][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.218476][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.218794][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.219098][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.219513][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 21.219823][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.220124][ T316] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 21.220433][ T316] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 21.220682][ T316] ? __handle_mm_fault (mm/memory.c:6212) 
[ 21.220990][ T316] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 21.221297][ T316] ? mt_find (lib/maple_tree.c:6938) 
[ 21.221550][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 21.221854][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.222418][ T316] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 21.222760][ T316] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 21.223073][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.223383][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.223706][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.224326][  T316] RIP: 0033:0x7f00d65e51e7
[ 21.224658][ T316] Code: Unable to access opcode bytes at 0x7f00d65e51bd.

Code starting with the faulting instruction
===========================================
[   21.225533][  T316] RSP: 002b:00007ffdb25c60c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.226043][  T316] RAX: ffffffffffffffda RBX: 00007ffdb25c67f0 RCX: 00007f00d65e51e7
[   21.226514][  T316] RDX: 0000000000000000 RSI: 00007ffdb25c6130 RDI: 0000000000000005
[   21.227201][  T316] RBP: 000000000000000a R08: 00000000000000a8 R09: 0000000000000000
[   21.227675][  T316] R10: 00007f00d64dd6f8 R11: 0000000000000246 R12: 00007ffdb25c6810
[   21.228187][  T316] R13: 00000000686e4033 R14: 0000000000499600 R15: 00007ffdb25c6214
| [   23.780358][  T343] ------------[ cut here ]------------
| [ 23.780757][ T343] WARNING: CPU: 3 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.781391][  T343] Modules linked in: ip_gre gre 8021q vrf veth
| [   23.782805][  T343] Tainted: [W]=WARN
[   23.783046][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.783427][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.783759][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.784854][  T343] RSP: 0018:ffffc900004e7000 EFLAGS: 00010246
[   23.785237][  T343] RAX: 0000000000000000 RBX: ffff888005bb4000 RCX: 0000000000000001
[   23.785736][  T343] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   23.786193][  T343] RBP: ffffc900004e70e8 R08: ffff888005bb4218 R09: 0000000000000000
[   23.786659][  T343] R10: ffffc900004e7118 R11: ffffffff9c979160 R12: 1ffff9200009ce04
[   23.787118][  T343] R13: 000000000000ffe3 R14: ffffc900004e7118 R15: ffff888005bb4218
[   23.787585][  T343] FS:  00007f430cbf6800(0000) GS:ffff888091037000(0000) knlGS:0000000000000000
[   23.788144][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.788542][  T343] CR2: 00000000004200f0 CR3: 0000000005a83003 CR4: 0000000000772ef0
[   23.789071][  T343] PKRU: 55555554
[   23.789476][  T343] Call Trace:
[   23.789840][  T343]  <TASK>
[ 23.790003][ T343] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.790400][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.790755][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.791074][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.791381][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.791726][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.791962][ T343] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.792269][ T343] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.792609][ T343] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.792934][ T343] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.793310][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.793663][ T343] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.793973][ T343] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.794281][ T343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.794602][ T343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.794908][ T343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.795221][ T343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.795556][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.795857][ T343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.796171][ T343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.796489][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.796833][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.797155][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.797467][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.797855][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.798166][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.798472][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.798823][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.799140][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.799445][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.799761][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.800086][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.800390][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.800739][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.801048][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.801352][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.801689][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.801997][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.802311][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.802633][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.802944][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.803248][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.803649][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.803953][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.804265][ T343] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 23.804597][ T343] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 23.804836][ T343] ? __handle_mm_fault (mm/memory.c:6212) 
[ 23.805142][ T343] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 23.805445][ T343] ? mt_find (lib/maple_tree.c:6938) 
[ 23.805703][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.806017][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.806348][ T343] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.806682][ T343] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 23.806992][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.807301][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.807617][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.808015][  T343] RIP: 0033:0x7f430cdc31e7
[ 23.808349][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.809555][  T343] RSP: 002b:00007fffdc6eb9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.810052][  T343] RAX: ffffffffffffffda RBX: 00007fffdc6ec120 RCX: 00007f430cdc31e7
[   23.810550][  T343] RDX: 0000000000000000 RSI: 00007fffdc6eba60 RDI: 0000000000000005
[   23.811035][  T343] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   23.811530][  T343] R10: 00007f430ce51ac0 R11: 0000000000000246 R12: 00007fffdc6ec140
[   23.812010][  T343] R13: 00000000686e4036 R14: 0000000000499600 R15: 00007fffdc6ebb44
| [   37.798481][  T389] ------------[ cut here ]------------
| [ 37.799186][ T389] WARNING: CPU: 2 PID: 389 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.799807][  T389] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.800865][  T389] Tainted: [W]=WARN
[   37.801105][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.801481][ T389] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.801817][ T389] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.802912][  T389] RSP: 0018:ffffc90000747140 EFLAGS: 00010246
[   37.803300][  T389] RAX: 0000000000000000 RBX: ffff8880082fc000 RCX: 0000000000000001
[   37.803765][  T389] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   37.804223][  T389] RBP: ffffc90000747230 R08: ffff888005d65000 R09: 0000000000000000
[   37.804694][  T389] R10: ffffc900007475c8 R11: ffffffff9d250668 R12: 1ffff920000e8e2c
[   37.805197][  T389] R13: 00000000000007d0 R14: ffffc90000747880 R15: ffff888005811fe0
[   37.805659][  T389] FS:  00007fc07ed4a800(0000) GS:ffff888090fb7000(0000) knlGS:0000000000000000
[   37.806180][  T389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.806580][  T389] CR2: 00000000004e5aa0 CR3: 000000000d109005 CR4: 0000000000772ef0
[   37.807035][  T389] PKRU: 55555554
[   37.807607][  T389] Call Trace:
[   37.807862][  T389]  <TASK>
[ 37.808030][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.808350][ T389] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.808673][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.808982][ T389] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.809288][ T389] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.809686][ T389] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.810147][ T389] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.810468][ T389] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.810874][ T389] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.811181][ T389] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.811491][ T389] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.811819][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.812126][ T389] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.812431][ T389] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.812822][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.813133][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.813445][ T389] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.813805][ T389] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.814118][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.814424][ T389] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.814765][ T389] ? __create_object (mm/kmemleak.c:771) 
[ 37.815101][ T389] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.815402][ T389] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.815717][ T389] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.816089][ T389] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.816426][ T389] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.816748][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.817057][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.817363][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.817684][ T389] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.818010][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.818318][ T389] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.818636][ T389] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.818949][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.819258][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.819597][ T389] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.819910][ T389] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.820215][ T389] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.820546][ T389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.820850][ T389] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.821159][ T389] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.821468][ T389] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.821788][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.822121][ T389] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.822582][ T389] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.822890][ T389] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.823202][ T389] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.823637][ T389] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.823943][ T389] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.824338][ T389] ___sys_sendmsg (net/socket.c:2670) 
[ 37.824654][ T389] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.824958][ T389] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.825387][ T389] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.825762][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.826081][ T389] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.826391][ T389] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.826711][ T389] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.827017][ T389] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.827330][ T389] __sys_sendmsg (net/socket.c:2700) 
[ 37.827646][ T389] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.828031][ T389] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.828352][ T389] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.828677][ T389] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.828981][ T389] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.829357][  T389] RIP: 0033:0x7fc07ef171e7
[ 37.829689][ T389] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.830763][  T389] RSP: 002b:00007ffd040c6bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.831238][  T389] RAX: ffffffffffffffda RBX: 00007ffd040c7320 RCX: 00007fc07ef171e7
[   37.831724][  T389] RDX: 0000000000000000 RSI: 00007ffd040c6c60 RDI: 0000000000000005
[   37.832178][  T389] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.832645][  T389] R10: 00007fc07ee14ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.833110][  T389] R13: 00000000686e4044 R14: 0000000000499600 R15: 0000000000000000
| [   37.964241][  T390] ------------[ cut here ]------------
| [ 37.964824][ T390] WARNING: CPU: 0 PID: 390 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.965837][  T390] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.967532][  T390] Tainted: [W]=WARN
[   37.967949][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.968673][ T390] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.969113][ T390] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.970920][  T390] RSP: 0018:ffffc900008e7140 EFLAGS: 00010246
[   37.971446][  T390] RAX: 0000000000000000 RBX: ffff88800a2c9000 RCX: 0000000000000001
[   37.971896][  T390] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   37.972354][  T390] RBP: ffffc900008e7230 R08: ffff88800ef26800 R09: 0000000000000000
[   37.972801][  T390] R10: ffffc900008e75c8 R11: ffffffff9d250668 R12: 1ffff9200011ce2c
[   37.973260][  T390] R13: 00000000000007d0 R14: ffffc900008e7880 R15: ffff888006150060
[   37.974020][  T390] FS:  00007f8b8c2a3800(0000) GS:ffff888090eb7000(0000) knlGS:0000000000000000
[   37.974936][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.975648][  T390] CR2: 00000000004e5aa8 CR3: 000000000a564005 CR4: 0000000000772ef0
[   37.976434][  T390] PKRU: 55555554
[   37.976838][  T390] Call Trace:
[   37.977213][  T390]  <TASK>
[ 37.977473][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.978012][ T390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.978558][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.979057][ T390] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.979450][ T390] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.979801][ T390] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.980294][ T390] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.980829][ T390] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.981454][ T390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.981974][ T390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.982473][ T390] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.982997][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.983467][ T390] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.983988][ T390] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.984584][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.985091][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.985622][ T390] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.986048][ T390] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.986536][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.987034][ T390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.987471][ T390] ? __create_object (mm/kmemleak.c:771) 
[ 37.987983][ T390] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.988450][ T390] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.988942][ T390] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.989602][ T390] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.990075][ T390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.990614][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.991085][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.991621][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.992011][ T390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.992469][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.992824][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.993315][ T390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.993794][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.994257][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.994737][ T390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.995255][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.995797][ T390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.996296][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.996826][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.997339][ T390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.997788][ T390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.998279][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.998811][ T390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.999342][ T390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.999859][ T390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.000394][ T390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.000933][ T390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.001443][ T390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.002084][ T390] ___sys_sendmsg (net/socket.c:2670) 
[ 38.002634][ T390] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.003102][ T390] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.003718][ T390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.004223][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.004752][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.005269][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.005790][ T390] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.006287][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.006810][ T390] __sys_sendmsg (net/socket.c:2700) 
[ 38.007314][ T390] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.007968][ T390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.008492][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.009010][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.009542][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.010192][  T390] RIP: 0033:0x7f8b8c4701e7
[ 38.010742][ T390] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.012572][  T390] RSP: 002b:00007ffc7b6d0bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.013201][  T390] RAX: ffffffffffffffda RBX: 00007ffc7b6d12e0 RCX: 00007f8b8c4701e7
[   38.013778][  T390] RDX: 0000000000000000 RSI: 00007ffc7b6d0c20 RDI: 0000000000000005
[   38.014242][  T390] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.014713][  T390] R10: 00007f8b8c36dee8 R11: 0000000000000246 R12: 0000000000000004
[   38.015258][  T390] R13: 00000000686e4044 R14: 0000000000499600 R15: 0000000000000000
| [   38.165416][  T391] ------------[ cut here ]------------
| [ 38.166176][ T391] WARNING: CPU: 2 PID: 391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.166805][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.167832][  T391] Tainted: [W]=WARN
[   38.168074][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.168454][ T391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.168791][ T391] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.169864][  T391] RSP: 0018:ffffc900008f7140 EFLAGS: 00010246
[   38.170248][  T391] RAX: 0000000000000000 RBX: ffff88800d351000 RCX: 0000000000000001
[   38.170843][  T391] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   38.171399][  T391] RBP: ffffc900008f7230 R08: ffff88800ed02000 R09: 0000000000000000
[   38.171874][  T391] R10: ffffc900008f75c8 R11: ffffffff9d250668 R12: 1ffff9200011ee2c
[   38.172324][  T391] R13: 00000000000007d0 R14: ffffc900008f7880 R15: ffff888006150ae0
[   38.172787][  T391] FS:  00007f1821ac9800(0000) GS:ffff888090fb7000(0000) knlGS:0000000000000000
[   38.173307][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.173701][  T391] CR2: 00000000004e73b8 CR3: 0000000009fe8002 CR4: 0000000000772ef0
[   38.174157][  T391] PKRU: 55555554
[   38.174389][  T391] Call Trace:
[   38.174670][  T391]  <TASK>
[ 38.174837][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.175168][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.175519][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.175880][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.176243][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.176639][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.177023][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.177370][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.177802][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.178132][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.178480][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.178869][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.179209][ T391] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.179564][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.180072][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.180572][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.180991][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.181418][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.181876][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.182313][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.182818][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 38.183351][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.183794][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.184217][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.184785][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.185216][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.185636][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.186079][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.186438][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.186834][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.187232][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.187562][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.187943][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.188272][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.188688][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.189049][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.189405][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.189844][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.190307][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.190680][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.191045][ T391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.191458][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.191863][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.192306][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.192750][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.193139][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.193597][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.193946][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.194322][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.194849][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 38.195244][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.195570][ T391] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.196152][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.196497][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.196932][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.197420][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.197863][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.198278][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.198711][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 38.199195][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.199736][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.200150][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.200599][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.201005][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.201483][  T391] RIP: 0033:0x7f1821c961e7
[ 38.201867][ T391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.203183][  T391] RSP: 002b:00007fff1fcce498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.203780][  T391] RAX: ffffffffffffffda RBX: 00007fff1fccebc0 RCX: 00007f1821c961e7
[   38.204292][  T391] RDX: 0000000000000000 RSI: 00007fff1fcce500 RDI: 0000000000000005
[   38.204866][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.205494][  T391] R10: 00007f1821b93ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.206087][  T391] R13: 00000000686e4044 R14: 0000000000499600 R15: 0000000000000000
| [   38.352295][  T392] ------------[ cut here ]------------
| [ 38.352650][ T392] WARNING: CPU: 0 PID: 392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.353260][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.354266][  T392] Tainted: [W]=WARN
[   38.354486][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.354855][ T392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.355160][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.356211][  T392] RSP: 0018:ffffc90000917140 EFLAGS: 00010246
[   38.356590][  T392] RAX: 0000000000000000 RBX: ffff88800be69000 RCX: 0000000000000001
[   38.357026][  T392] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   38.357495][  T392] RBP: ffffc90000917230 R08: ffff88800beb2000 R09: 0000000000000000
[   38.357969][  T392] R10: ffffc900009175c8 R11: ffffffff9d250668 R12: 1ffff92000122e2c
[   38.358408][  T392] R13: 00000000000007d0 R14: ffffc90000917880 R15: ffff888006151560
[   38.358886][  T392] FS:  00007fb0b4a8c800(0000) GS:ffff888090eb7000(0000) knlGS:0000000000000000
[   38.359403][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.359788][  T392] CR2: 00000000004e5ab0 CR3: 000000000ee98006 CR4: 0000000000772ef0
[   38.360239][  T392] PKRU: 55555554
[   38.360463][  T392] Call Trace:
[   38.360699][  T392]  <TASK>
[ 38.360849][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.361150][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.361443][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.361756][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.362063][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.362358][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.362668][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.362964][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.363331][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.363634][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.363926][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.364229][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.364535][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.364829][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.365198][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.365495][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.365798][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.366090][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.366391][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.366694][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.366983][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 38.367277][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.367580][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.367887][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.368250][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.368559][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.368861][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.369152][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.369450][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.369754][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.370041][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.370334][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.370636][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.370929][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.371228][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.371538][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.371831][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.372123][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.372424][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.372747][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.373047][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.373341][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.373639][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.373937][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.374230][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.374536][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.374839][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.375134][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.375434][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.375832][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 38.376136][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.376429][ T392] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.376836][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.377132][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.377438][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.377755][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.378057][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.378351][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.378661][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 38.378953][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.379327][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.379652][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.379991][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.380276][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.380658][  T392] RIP: 0033:0x7fb0b4c591e7
[ 38.380950][ T392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.382029][  T392] RSP: 002b:00007fffd4ed9408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.382472][  T392] RAX: ffffffffffffffda RBX: 00007fffd4ed9b30 RCX: 00007fb0b4c591e7
[   38.382926][  T392] RDX: 0000000000000000 RSI: 00007fffd4ed9470 RDI: 0000000000000005
[   38.383365][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.383814][  T392] R10: 00007fb0b4b56ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.384275][  T392] R13: 00000000686e4044 R14: 0000000000499600 R15: 0000000000000000
| [   38.503970][  T393] ------------[ cut here ]------------
| [ 38.504362][ T393] WARNING: CPU: 2 PID: 393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.504979][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.506541][  T393] Tainted: [W]=WARN
[   38.506789][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.507176][ T393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.507495][ T393] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.508630][  T393] RSP: 0018:ffffc90000927140 EFLAGS: 00010246
[   38.509024][  T393] RAX: 0000000000000000 RBX: ffff888008ca1000 RCX: 0000000000000001
[   38.509474][  T393] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   38.509939][  T393] RBP: ffffc90000927230 R08: ffff8880077d3800 R09: 0000000000000000
[   38.510395][  T393] R10: ffffc900009275c8 R11: ffffffff9d250668 R12: 1ffff92000124e2c
[   38.510857][  T393] R13: 00000000000007d0 R14: ffffc90000927880 R15: ffff888006151fe0
[   38.511311][  T393] FS:  00007ff9320bb800(0000) GS:ffff888090fb7000(0000) knlGS:0000000000000000
[   38.511852][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.512242][  T393] CR2: 00000000004e55b8 CR3: 000000000ad76004 CR4: 0000000000772ef0
[   38.512710][  T393] PKRU: 55555554
[   38.512942][  T393] Call Trace:
[   38.513175][  T393]  <TASK>
[ 38.513337][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.513669][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.513978][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.514288][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.514616][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.514924][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.515234][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.515560][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.515949][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.516251][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.516597][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.516906][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.517219][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.517542][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.517927][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.518237][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.518563][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.518878][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.519190][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.519497][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.519818][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 38.520129][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.520438][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.520760][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.521136][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.521453][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.521787][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.522087][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.522399][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.522718][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.523024][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.523327][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.523646][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.523957][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.524265][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.524593][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.524900][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.525203][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.525531][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.525832][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.526145][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.526452][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.526772][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.527083][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.527389][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.527707][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.528032][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.528355][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.528678][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.529072][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 38.529375][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.529690][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.530071][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.530379][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.530716][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.531034][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.531341][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.531663][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.531978][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 38.532282][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.532671][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.532998][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.533310][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.533630][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.534009][  T393] RIP: 0033:0x7ff9322881e7
[ 38.534331][ T393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.535414][  T393] RSP: 002b:00007ffd210afde8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.535887][  T393] RAX: ffffffffffffffda RBX: 00007ffd210b0510 RCX: 00007ff9322881e7
[   38.536339][  T393] RDX: 0000000000000000 RSI: 00007ffd210afe50 RDI: 0000000000000005
[   38.536803][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.537261][  T393] R10: 00007ff932185ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.537725][  T393] R13: 00000000686e4045 R14: 0000000000499600 R15: 0000000000000000
| [   38.647871][  T394] ------------[ cut here ]------------
| [ 38.648218][ T394] WARNING: CPU: 3 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.648818][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.650256][  T394] Tainted: [W]=WARN
[   38.650486][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.650859][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.651162][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.652221][  T394] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   38.652601][  T394] RAX: 0000000000000000 RBX: ffff888005179000 RCX: 0000000000000001
[   38.653034][  T394] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   38.653475][  T394] RBP: ffffc90000977230 R08: ffff888005350800 R09: 0000000000000000
[   38.653924][  T394] R10: ffffc900009775c8 R11: ffffffff9d250668 R12: 1ffff9200012ee2c
[   38.654367][  T394] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff888006152a60
[   38.654815][  T394] FS:  00007ffbc5155800(0000) GS:ffff888091037000(0000) knlGS:0000000000000000
[   38.655331][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.655715][  T394] CR2: 00000000004e5ac8 CR3: 000000000ac9c004 CR4: 0000000000772ef0
[   38.656153][  T394] PKRU: 55555554
[   38.656371][  T394] Call Trace:
[   38.656600][  T394]  <TASK>
[ 38.656748][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.657050][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.657339][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.657661][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.657973][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.658266][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.658575][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.658872][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.659242][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.659553][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.659845][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.660143][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.660437][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.660740][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.661104][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.661399][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.661709][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.661998][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.662290][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.662591][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.662879][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 38.663174][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.663468][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.663776][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.664147][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.664445][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.664754][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.665044][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.665344][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.665650][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.665941][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.666233][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.666542][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.666838][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.667134][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.667433][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.667741][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.668054][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.668357][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.668668][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.668963][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.669259][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.669561][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.669858][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.670152][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.670448][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.670770][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.671068][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.671359][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.671761][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 38.672054][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.672345][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.672729][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.673033][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.673329][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.673638][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.673928][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.674221][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.674526][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 38.674818][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.675186][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.675489][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.675794][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.676089][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.676449][  T394] RIP: 0033:0x7ffbc53221e7
[ 38.676759][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.677816][  T394] RSP: 002b:00007ffe6fd3a608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.678270][  T394] RAX: ffffffffffffffda RBX: 00007ffe6fd3ad30 RCX: 00007ffbc53221e7
[   38.678719][  T394] RDX: 0000000000000000 RSI: 00007ffe6fd3a670 RDI: 0000000000000005
[   38.679155][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.679615][  T394] R10: 00007ffbc521fee8 R11: 0000000000000246 R12: 0000000000000004
[   38.680052][  T394] R13: 00000000686e4045 R14: 0000000000499600 R15: 0000000000000000
| [   38.807639][  T395] ------------[ cut here ]------------
| [ 38.807999][ T395] WARNING: CPU: 3 PID: 395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.808604][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.809929][  T395] Tainted: [W]=WARN
[   38.810155][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.810529][ T395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.810825][ T395] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.811878][  T395] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   38.812249][  T395] RAX: 0000000000000000 RBX: ffff888009014000 RCX: 0000000000000001
[   38.812688][  T395] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   38.813123][  T395] RBP: ffffc90000977230 R08: ffff888002b7e800 R09: 0000000000000000
[   38.813569][  T395] R10: ffffc900009775c8 R11: ffffffff9d250668 R12: 1ffff9200012ee2c
[   38.814006][  T395] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff8880061534e0
[   38.814449][  T395] FS:  00007ff079fc2800(0000) GS:ffff888091037000(0000) knlGS:0000000000000000
[   38.814959][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.815336][  T395] CR2: 00000000004e5ac0 CR3: 000000000d1d7005 CR4: 0000000000772ef0
[   38.815780][  T395] PKRU: 55555554
[   38.815999][  T395] Call Trace:
[   38.816216][  T395]  <TASK>
[ 38.816364][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.816669][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.816959][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.817253][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.817556][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.817857][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.818155][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.818454][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.818831][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.819126][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.819419][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.819722][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.820018][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.820310][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.820682][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.820997][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.821289][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.821596][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.821893][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.822185][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.822472][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 38.822798][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.823094][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.823388][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.823783][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.824096][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.824394][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.824692][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.824988][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.825277][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.825590][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.825888][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.826178][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.826482][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.826796][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.827091][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.827381][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.827681][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.827996][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.828284][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.828591][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.828884][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.829170][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.829467][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.829772][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.830063][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.830362][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.830678][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.830967][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.831338][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 38.831637][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.831932][ T395] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.832295][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.832600][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.832901][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.833195][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.833490][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.833794][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.834093][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 38.834379][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.834748][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.835060][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.835354][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.835663][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.836021][  T395] RIP: 0033:0x7ff07a18f1e7
[ 38.836351][ T395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.837411][  T395] RSP: 002b:00007ffe66d7f308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.837875][  T395] RAX: ffffffffffffffda RBX: 00007ffe66d7fa30 RCX: 00007ff07a18f1e7
[   38.838312][  T395] RDX: 0000000000000000 RSI: 00007ffe66d7f370 RDI: 0000000000000005
[   38.838751][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.839190][  T395] R10: 00007ff07a08cee8 R11: 0000000000000246 R12: 0000000000000004
[   38.839637][  T395] R13: 00000000686e4045 R14: 0000000000499600 R15: 0000000000000000
| [   38.962231][  T396] ------------[ cut here ]------------
| [ 38.962605][ T396] WARNING: CPU: 0 PID: 396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.963210][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.964225][  T396] Tainted: [W]=WARN
[   38.964453][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.964841][ T396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.965146][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.967576][  T396] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   38.967986][  T396] RAX: 0000000000000000 RBX: ffff888005bb4000 RCX: 0000000000000001
[   38.968422][  T396] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   38.969015][  T396] RBP: ffffc90000987230 R08: ffff88800c80b800 R09: 0000000000000000
[   38.969463][  T396] R10: ffffc900009875c8 R11: ffffffff9d250668 R12: 1ffff92000130e2c
[   38.970041][  T396] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800d306a60
[   38.970473][  T396] FS:  00007f54d7024800(0000) GS:ffff888090eb7000(0000) knlGS:0000000000000000
[   38.971060][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.971433][  T396] CR2: 00000000004e73d0 CR3: 0000000005254005 CR4: 0000000000772ef0
[   38.971913][  T396] PKRU: 55555554
[   38.972140][  T396] Call Trace:
[   38.972367][  T396]  <TASK>
[ 38.972543][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.972846][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.973135][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.973428][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.973738][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.974033][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.974344][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.974654][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.975023][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.975316][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.975631][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.975934][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.976237][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.976583][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.976961][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.977256][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.977565][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.977862][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.978159][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.978448][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.978755][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 38.979075][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.979366][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.979679][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.980041][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.980365][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.980685][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.980984][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.981281][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.981596][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.981882][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.982197][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.982485][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.982834][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.983135][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.983465][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.983770][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.984062][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.984389][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.984703][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.985019][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.985349][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.985680][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.985977][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.986295][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.986597][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.986893][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.987188][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.987479][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.987919][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 38.988237][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.988556][ T396] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.988920][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.989214][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.989522][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.989816][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.990139][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.990430][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.990761][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 38.991054][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.991434][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.991755][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.992062][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.992367][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.992760][  T396] RIP: 0033:0x7f54d71f11e7
[ 38.993062][ T396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.994155][  T396] RSP: 002b:00007ffcc4d393c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.994615][  T396] RAX: ffffffffffffffda RBX: 00007ffcc4d39af0 RCX: 00007f54d71f11e7
[   38.995070][  T396] RDX: 0000000000000000 RSI: 00007ffcc4d39430 RDI: 0000000000000005
[   38.995539][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.995974][  T396] R10: 00007f54d70eeee8 R11: 0000000000000246 R12: 0000000000000004
[   38.996433][  T396] R13: 00000000686e4045 R14: 0000000000499600 R15: 0000000000000000
| [   39.108791][  T397] ------------[ cut here ]------------
| [ 39.109134][ T397] WARNING: CPU: 1 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.109735][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   39.110757][  T397] Tainted: [W]=WARN
[   39.111017][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.111383][ T397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.112525][ T397] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.113596][  T397] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   39.113975][  T397] RAX: 0000000000000000 RBX: ffff88800be6c000 RCX: 0000000000000001
[   39.114414][  T397] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   39.114879][  T397] RBP: ffffc90000987230 R08: ffff88800a2c3800 R09: 0000000000000000
[   39.115348][  T397] R10: ffffc900009875c8 R11: ffffffff9d250668 R12: 1ffff92000130e2c
[   39.115802][  T397] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800d305c60
[   39.116240][  T397] FS:  00007f7ee2b6f800(0000) GS:ffff888090f37000(0000) knlGS:0000000000000000
[   39.116761][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.117126][  T397] CR2: 00000000004e5ab8 CR3: 000000000acad002 CR4: 0000000000772ef0
[   39.117571][  T397] PKRU: 55555554
[   39.117792][  T397] Call Trace:
[   39.118031][  T397]  <TASK>
[ 39.118182][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.118483][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.118807][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.119145][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.119439][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.119743][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.120038][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.120339][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.120714][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.121014][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.121305][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.121607][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.121899][ T397] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.122191][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.122577][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.122898][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.123196][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.123485][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.123791][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.124084][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.124375][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 39.124680][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.124973][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.125263][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.125649][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.125947][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.126243][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.126556][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.126882][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.127173][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.127467][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.127799][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.128102][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.128398][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.128704][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.129001][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.129295][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.129599][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.129902][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.130194][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.130488][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.130817][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.131133][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.131430][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.131735][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.132027][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.132334][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.132640][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.132929][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.133304][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 39.133602][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.133895][ T397] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.134257][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.134588][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.134907][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.135202][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.135495][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.135799][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.136098][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 39.136386][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.136759][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.137061][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.137352][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.137663][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.138039][  T397] RIP: 0033:0x7f7ee2d3c1e7
[ 39.138342][ T397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.139421][  T397] RSP: 002b:00007ffe1e0bf3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.139901][  T397] RAX: ffffffffffffffda RBX: 00007ffe1e0bfb20 RCX: 00007f7ee2d3c1e7
[   39.140334][  T397] RDX: 0000000000000000 RSI: 00007ffe1e0bf460 RDI: 0000000000000005
[   39.140783][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.141216][  T397] R10: 00007f7ee2c39ee8 R11: 0000000000000246 R12: 0000000000000004
[   39.141659][  T397] R13: 00000000686e4045 R14: 0000000000499600 R15: 0000000000000000
| [   39.262932][  T398] ------------[ cut here ]------------
| [ 39.263293][ T398] WARNING: CPU: 0 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.264753][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   39.265760][  T398] Tainted: [W]=WARN
[   39.265984][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.266345][ T398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.266657][ T398] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.267697][  T398] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   39.268076][  T398] RAX: 0000000000000000 RBX: ffff88800af54000 RCX: 0000000000000001
[   39.268518][  T398] RDX: 0000000000000000 RSI: ffffffff9c49b941 RDI: ffffffff9bc555e0
[   39.268954][  T398] RBP: ffffc90000987230 R08: ffff88800bca5000 R09: 0000000000000000
[   39.269393][  T398] R10: ffffc900009875c8 R11: ffffffff9d250668 R12: 1ffff92000130e2c
[   39.269836][  T398] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800d3058e0
[   39.270272][  T398] FS:  00007f1f8ef6d800(0000) GS:ffff888090eb7000(0000) knlGS:0000000000000000
[   39.270787][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.271152][  T398] CR2: 00000000004e59c0 CR3: 000000000af99001 CR4: 0000000000772ef0
[   39.271598][  T398] PKRU: 55555554
[   39.271817][  T398] Call Trace:
[   39.272035][  T398]  <TASK>
[ 39.272180][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.272475][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.272779][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.273075][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.273364][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.273667][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.273963][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.274258][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.274640][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.274932][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.275219][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.275523][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.275816][ T398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.276106][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.276465][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.276772][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.277058][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.277346][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.277653][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.277958][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.278246][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 39.278575][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.278877][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.279188][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.279567][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.279873][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.280169][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.280469][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.280778][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.281069][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.281368][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.281674][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.281972][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.282275][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.282586][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.282889][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.283190][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.283486][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.283807][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.284095][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.284392][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.284705][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.285000][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.285299][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.285610][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.285905][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.286208][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.286521][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.286818][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.287223][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 39.287533][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.287839][ T398] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.288222][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.288528][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.288826][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.289119][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.289416][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.289730][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.290036][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 39.290351][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.290734][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.291043][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.291348][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.291660][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.292030][  T398] RIP: 0033:0x7f1f8f13a1e7
[ 39.292343][ T398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.293417][  T398] RSP: 002b:00007fffeabdf648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.293877][  T398] RAX: ffffffffffffffda RBX: 00007fffeabdfd70 RCX: 00007f1f8f13a1e7
[   39.294309][  T398] RDX: 0000000000000000 RSI: 00007fffeabdf6b0 RDI: 0000000000000005
[   39.294758][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.295190][  T398] R10: 00007f1f8f037ee8 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