======================================
| [  543.583085][ T3249] ip_gre: GRE over IPv4 tunneling driver
| [  543.666584][ T3248] ------------[ cut here ]------------
| [ 543.667270][ T3248] WARNING: CPU: 3 PID: 3248 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) 
| [  543.668081][ T3248] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
[  543.669980][ T3248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 543.670641][ T3248] 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) 
[ 543.671196][ T3248] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  543.673117][ T3248] RSP: 0018:ffffc900029a7000 EFLAGS: 00010246
[  543.673793][ T3248] RAX: 0000000000000000 RBX: ffff88800e391000 RCX: 0000000000000001
[  543.674643][ T3248] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  543.675482][ T3248] RBP: ffffc900029a70e8 R08: ffff88800e391218 R09: 0000000000000000
[  543.676328][ T3248] R10: ffffc900029a7118 R11: ffff88800926c5f0 R12: 1ffff92000534e04
[  543.677225][ T3248] R13: 000000000000ffe7 R14: ffffc900029a7118 R15: ffff88800e391218
[  543.678014][ T3248] FS:  00007fcee4e0e800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  543.678972][ T3248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  543.679664][ T3248] CR2: 00007f7db15ec000 CR3: 0000000011e63004 CR4: 0000000000772ef0
[  543.680488][ T3248] PKRU: 55555554
[  543.680905][ T3248] Call Trace:
[  543.681323][ T3248]  <TASK>
[ 543.681613][ T3248] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 543.682225][ T3248] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 543.682639][ T3248] netif_set_mtu (net/core/dev.c:9652) 
[ 543.683543][ T3248] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 543.683970][ T3248] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 543.684283][ T3248] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 543.684692][ T3248] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 543.685109][ T3248] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 543.685505][ T3248] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 543.686044][ T3248] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 543.686369][ T3248] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 543.686685][ T3248] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 543.687034][ T3248] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 543.687346][ T3248] ? __dev_get_by_name (net/core/dev.c:865) 
[ 543.687663][ T3248] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 543.688000][ T3248] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 543.688326][ T3248] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 543.688636][ T3248] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 543.688973][ T3248] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 543.689301][ T3248] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 543.689656][ T3248] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 543.690186][ T3248] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 543.690697][ T3248] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 543.691231][ T3248] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 543.691670][ T3248] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 543.692001][ T3248] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 543.692320][ T3248] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 543.692646][ T3248] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 543.692968][ T3248] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 543.693278][ T3248] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 543.693601][ T3248] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 543.693907][ T3248] ? 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) 
[ 543.694226][ T3248] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 543.694542][ T3248] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 543.694855][ T3248] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 543.695176][ T3248] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 543.695488][ T3248] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 543.695803][ T3248] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 543.696132][ T3248] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 543.696443][ T3248] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 543.696746][ T3248] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 543.697159][ T3248] ___sys_sendmsg (net/socket.c:2670) 
[ 543.697469][ T3248] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 543.697775][ T3248] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 543.698097][ T3248] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 543.698404][ T3248] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 543.698718][ T3248] ? __handle_mm_fault (mm/memory.c:6212) 
[ 543.699030][ T3248] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 543.699347][ T3248] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 543.699676][ T3248] __sys_sendmsg (net/socket.c:2700) 
[ 543.699991][ T3248] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 543.700297][ T3248] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 543.700611][ T3248] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 543.700932][ T3248] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 543.701247][ T3248] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 543.701613][ T3248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  543.702004][ T3248] RIP: 0033:0x7fcee4fdb1e7
[ 543.702336][ T3248] Code: Unable to access opcode bytes at 0x7fcee4fdb1bd.

Code starting with the faulting instruction
===========================================
[  543.702739][ T3248] RSP: 002b:00007ffe755c4888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  543.703215][ T3248] RAX: ffffffffffffffda RBX: 00007ffe755c4fb0 RCX: 00007fcee4fdb1e7
[  543.703687][ T3248] RDX: 0000000000000000 RSI: 00007ffe755c48f0 RDI: 0000000000000005
[  543.704171][ T3248] RBP: 0000000000000004 R08: 00000000000000b4 R09: 0000000000000000
[  543.704636][ T3248] R10: 00007fcee4ed36f8 R11: 0000000000000246 R12: 00007ffe755c4fe0
[  543.705113][ T3248] R13: 00000000686e7403 R14: 0000000000499600 R15: 00007ffe755c49e0
| [  545.238417][ T3272] ------------[ cut here ]------------
| [ 545.238768][ T3272] WARNING: CPU: 3 PID: 3272 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) 
| [  545.239384][ T3272] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  545.241374][ T3272] Tainted: [W]=WARN
[  545.241628][ T3272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 545.242020][ T3272] 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) 
[ 545.242340][ T3272] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  545.243442][ T3272] RSP: 0018:ffffc90000707000 EFLAGS: 00010246
[  545.243832][ T3272] RAX: 0000000000000000 RBX: ffff888007d7c000 RCX: 0000000000000001
[  545.244296][ T3272] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  545.244751][ T3272] RBP: ffffc900007070e8 R08: ffff888007d7c218 R09: 0000000000000000
[  545.245213][ T3272] R10: ffffc90000707118 R11: ffffffffa2e9be78 R12: 1ffff920000e0e04
[  545.245676][ T3272] R13: 000000000000ffe7 R14: ffffc90000707118 R15: ffff888007d7c218
[  545.246140][ T3272] FS:  00007f4baa8b9800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  545.246678][ T3272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  545.247068][ T3272] CR2: 0000000000436890 CR3: 000000000ff75001 CR4: 0000000000772ef0
[  545.247536][ T3272] PKRU: 55555554
[  545.247764][ T3272] Call Trace:
[  545.248001][ T3272]  <TASK>
[ 545.248157][ T3272] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 545.248540][ T3272] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 545.248859][ T3272] netif_set_mtu (net/core/dev.c:9652) 
[ 545.249172][ T3272] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 545.249491][ T3272] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 545.249730][ T3272] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 545.250049][ T3272] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 545.250362][ T3272] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 545.250672][ T3272] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 545.251066][ T3272] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 545.251383][ T3272] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 545.251712][ T3272] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 545.252034][ T3272] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 545.252334][ T3272] ? __dev_get_by_name (net/core/dev.c:865) 
[ 545.252642][ T3272] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 545.252957][ T3272] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 545.253267][ T3272] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 545.253569][ T3272] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 545.253885][ T3272] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 545.254233][ T3272] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 545.254545][ T3272] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 545.254861][ T3272] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 545.255175][ T3272] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 545.255488][ T3272] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 545.255796][ T3272] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 545.256146][ T3272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 545.256462][ T3272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 545.256780][ T3272] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 545.257099][ T3272] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 545.257408][ T3272] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 545.257733][ T3272] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 545.258054][ T3272] ? 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) 
[ 545.258365][ T3272] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 545.258675][ T3272] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 545.258991][ T3272] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 545.259307][ T3272] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 545.259622][ T3272] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 545.259937][ T3272] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 545.260256][ T3272] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 545.260571][ T3272] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 545.260874][ T3272] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 545.261301][ T3272] ___sys_sendmsg (net/socket.c:2670) 
[ 545.261618][ T3272] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 545.261940][ T3272] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 545.262247][ T3272] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 545.262553][ T3272] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 545.262862][ T3272] ? __handle_mm_fault (mm/memory.c:6212) 
[ 545.263192][ T3272] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 545.263493][ T3272] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 545.263825][ T3272] __sys_sendmsg (net/socket.c:2700) 
[ 545.264147][ T3272] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 545.264450][ T3272] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 545.264768][ T3272] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 545.265083][ T3272] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 545.265399][ T3272] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 545.265707][ T3272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  545.266095][ T3272] RIP: 0033:0x7f4baaa861e7
[ 545.266413][ T3272] 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)
[  545.267516][ T3272] RSP: 002b:00007ffcb79b3448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  545.267992][ T3272] RAX: ffffffffffffffda RBX: 00007ffcb79b3b70 RCX: 00007f4baaa861e7
[  545.268453][ T3272] RDX: 0000000000000000 RSI: 00007ffcb79b34b0 RDI: 0000000000000005
[  545.268907][ T3272] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  545.269380][ T3272] R10: 00007f4baa97e6f8 R11: 0000000000000246 R12: 00007ffcb79b3ba0
[  545.269848][ T3272] R13: 00000000686e7405 R14: 0000000000499600 R15: 00007ffcb79b35a0
| [  546.769627][ T3288] ------------[ cut here ]------------
| [ 546.770826][ T3288] WARNING: CPU: 3 PID: 3288 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) 
| [  546.771495][ T3288] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  546.773079][ T3288] Tainted: [W]=WARN
[  546.773325][ T3288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 546.773730][ T3288] 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) 
[ 546.774067][ T3288] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  546.775220][ T3288] RSP: 0018:ffffc90000737000 EFLAGS: 00010246
[  546.775640][ T3288] RAX: 0000000000000000 RBX: ffff888009754000 RCX: 0000000000000001
[  546.776138][ T3288] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  546.776622][ T3288] RBP: ffffc900007370e8 R08: ffff888009754218 R09: 0000000000000000
[  546.777127][ T3288] R10: ffffc90000737118 R11: ffffffffa6f8d1e0 R12: 1ffff920000e6e04
[  546.777615][ T3288] R13: 00000000000005c4 R14: ffffc90000737118 R15: ffff888009754218
[  546.778103][ T3288] FS:  00007fc03d5d6800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  546.778683][ T3288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  546.779096][ T3288] CR2: 0000000000436890 CR3: 000000000518e006 CR4: 0000000000772ef0
[  546.779600][ T3288] PKRU: 55555554
[  546.779845][ T3288] Call Trace:
[  546.780117][ T3288]  <TASK>
[ 546.780282][ T3288] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 546.780624][ T3288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 546.780956][ T3288] ? vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4715) vxlan 
[ 546.781366][ T3288] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 546.781792][ T3288] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 546.782273][ T3288] netif_set_mtu (net/core/dev.c:9652) 
[ 546.782596][ T3288] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 546.782936][ T3288] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 546.783263][ T3288] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 546.783508][ T3288] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 546.783834][ T3288] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 546.784172][ T3288] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 546.784506][ T3288] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 546.784904][ T3288] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 546.785244][ T3288] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 546.785570][ T3288] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 546.785893][ T3288] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 546.786218][ T3288] ? __dev_get_by_name (net/core/dev.c:865) 
[ 546.786544][ T3288] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 546.786904][ T3288] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 546.787246][ T3288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 546.787566][ T3288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 546.787896][ T3288] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 546.788235][ T3288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 546.788566][ T3288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 546.788900][ T3288] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 546.789235][ T3288] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 546.789560][ T3288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 546.789881][ T3288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 546.790212][ T3288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 546.790538][ T3288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 546.790861][ T3288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 546.791190][ T3288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 546.791615][ T3288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 546.791971][ T3288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 546.792291][ T3288] ? 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) 
[ 546.792612][ T3288] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 546.792948][ T3288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 546.793270][ T3288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 546.793597][ T3288] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 546.793932][ T3288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 546.794264][ T3288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 546.794595][ T3288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 546.794928][ T3288] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 546.795250][ T3288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 546.795672][ T3288] ___sys_sendmsg (net/socket.c:2670) 
[ 546.796009][ T3288] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 546.796331][ T3288] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 546.796665][ T3288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 546.796992][ T3288] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 546.797317][ T3288] ? __handle_mm_fault (mm/memory.c:6212) 
[ 546.797634][ T3288] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 546.797957][ T3288] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 546.798297][ T3288] __sys_sendmsg (net/socket.c:2700) 
[ 546.798625][ T3288] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 546.798952][ T3288] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 546.799277][ T3288] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 546.799603][ T3288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 546.799936][ T3288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 546.800257][ T3288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  546.800656][ T3288] RIP: 0033:0x7fc03d7a31e7
[ 546.801005][ T3288] 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)
[  546.802167][ T3288] RSP: 002b:00007fffd5ef1918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  546.802649][ T3288] RAX: ffffffffffffffda RBX: 00007fffd5ef2040 RCX: 00007fc03d7a31e7
[  546.803144][ T3288] RDX: 0000000000000000 RSI: 00007fffd5ef1980 RDI: 0000000000000005
[  546.803624][ T3288] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  546.804112][ T3288] R10: 00007fc03d69b6f8 R11: 0000000000000246 R12: 00007fffd5ef2070
[  546.804593][ T3288] R13: 00000000686e7407 R14: 0000000000499600 R15: 00007fffd5ef1a70
| [  548.313546][ T3304] ------------[ cut here ]------------
| [ 548.314036][ T3304] WARNING: CPU: 2 PID: 3304 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) 
| [  548.314667][ T3304] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  548.316214][ T3304] Tainted: [W]=WARN
[  548.316461][ T3304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 548.316854][ T3304] 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) 
[ 548.317209][ T3304] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  548.318339][ T3304] RSP: 0018:ffffc90000517000 EFLAGS: 00010246
[  548.318740][ T3304] RAX: 0000000000000000 RBX: ffff888009574000 RCX: 0000000000000001
[  548.319240][ T3304] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  548.319713][ T3304] RBP: ffffc900005170e8 R08: ffff888009574218 R09: 0000000000000000
[  548.320187][ T3304] R10: ffffc90000517118 R11: ffffffffa6f8d1e0 R12: 1ffff920000a2e04
[  548.320652][ T3304] R13: 000000000000ffe7 R14: ffffc90000517118 R15: ffff888009574218
[  548.321139][ T3304] FS:  00007fc6c80c9800(0000) GS:ffff8880c4499000(0000) knlGS:0000000000000000
[  548.321696][ T3304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  548.322109][ T3304] CR2: 0000000000436890 CR3: 000000000b136002 CR4: 0000000000772ef0
[  548.322623][ T3304] PKRU: 55555554
[  548.322873][ T3304] Call Trace:
[  548.323128][ T3304]  <TASK>
[ 548.323299][ T3304] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 548.323705][ T3304] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 548.324050][ T3304] netif_set_mtu (net/core/dev.c:9652) 
[ 548.324370][ T3304] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 548.324706][ T3304] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 548.324962][ T3304] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 548.325288][ T3304] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 548.325614][ T3304] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 548.325958][ T3304] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 548.326355][ T3304] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 548.326686][ T3304] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 548.327017][ T3304] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 548.327340][ T3304] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 548.327656][ T3304] ? __dev_get_by_name (net/core/dev.c:865) 
[ 548.327993][ T3304] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 548.328310][ T3304] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 548.328633][ T3304] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 548.328960][ T3304] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 548.329291][ T3304] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 548.329622][ T3304] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 548.329956][ T3304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 548.330288][ T3304] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 548.330611][ T3304] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 548.330943][ T3304] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 548.331261][ T3304] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 548.331595][ T3304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 548.331916][ T3304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 548.332252][ T3304] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 548.332573][ T3304] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 548.332899][ T3304] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 548.333255][ T3304] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 548.333580][ T3304] ? 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) 
[ 548.333901][ T3304] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 548.334245][ T3304] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 548.334561][ T3304] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 548.334886][ T3304] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 548.335221][ T3304] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 548.335553][ T3304] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 548.335877][ T3304] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 548.336210][ T3304] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 548.336525][ T3304] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 548.336950][ T3304] ___sys_sendmsg (net/socket.c:2670) 
[ 548.337286][ T3304] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 548.337603][ T3304] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 548.337942][ T3304] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 548.338326][ T3304] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 548.338885][ T3304] ? __handle_mm_fault (mm/memory.c:6212) 
[ 548.339475][ T3304] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 548.339867][ T3304] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 548.340221][ T3304] __sys_sendmsg (net/socket.c:2700) 
[ 548.340559][ T3304] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 548.340876][ T3304] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 548.341212][ T3304] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 548.341542][ T3304] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 548.341864][ T3304] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 548.342193][ T3304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  548.342582][ T3304] RIP: 0033:0x7fc6c82961e7
[ 548.342932][ T3304] 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)
[  548.344038][ T3304] RSP: 002b:00007fff80404e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  548.344510][ T3304] RAX: ffffffffffffffda RBX: 00007fff804055b0 RCX: 00007fc6c82961e7
[  548.344999][ T3304] RDX: 0000000000000000 RSI: 00007fff80404ef0 RDI: 0000000000000005
[  548.345472][ T3304] RBP: 0000000000000004 R08: 00000000000000b4 R09: 0000000000000000
[  548.345947][ T3304] R10: 00007fc6c818e6f8 R11: 0000000000000246 R12: 00007fff804055e0
[  548.346425][ T3304] R13: 00000000686e7408 R14: 0000000000499600 R15: 00007fff80404fe0
| [  549.956528][ T3320] ------------[ cut here ]------------
| [ 549.957156][ T3320] WARNING: CPU: 0 PID: 3320 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) 
| [  549.958247][ T3320] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  549.960950][ T3320] Tainted: [W]=WARN
[  549.961374][ T3320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 549.962181][ T3320] 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) 
[ 549.962745][ T3320] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  549.964699][ T3320] RSP: 0018:ffffc90000ae7000 EFLAGS: 00010246
[  549.965420][ T3320] RAX: 0000000000000000 RBX: ffff8880094b4000 RCX: 0000000000000001
[  549.966024][ T3320] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  549.966529][ T3320] RBP: ffffc90000ae70e8 R08: ffff8880094b4218 R09: 0000000000000000
[  549.967024][ T3320] R10: ffffc90000ae7118 R11: ffff88800926c5f0 R12: 1ffff9200015ce04
[  549.967521][ T3320] R13: 000000000000ffe7 R14: ffffc90000ae7118 R15: ffff8880094b4218
[  549.968034][ T3320] FS:  00007f1892d8e800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  549.968624][ T3320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  549.969021][ T3320] CR2: 0000000000436890 CR3: 000000000c6eb004 CR4: 0000000000772ef0
[  549.969493][ T3320] PKRU: 55555554
[  549.969727][ T3320] Call Trace:
[  549.969970][ T3320]  <TASK>
[ 549.970150][ T3320] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 549.970555][ T3320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 549.970880][ T3320] netif_set_mtu (net/core/dev.c:9652) 
[ 549.971322][ T3320] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 549.971954][ T3320] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 549.972350][ T3320] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 549.972659][ T3320] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 549.972990][ T3320] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 549.973312][ T3320] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 549.973695][ T3320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 549.974039][ T3320] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 549.974377][ T3320] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 549.974702][ T3320] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 549.975043][ T3320] ? __dev_get_by_name (net/core/dev.c:865) 
[ 549.975605][ T3320] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 549.976129][ T3320] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 549.976503][ T3320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 549.976824][ T3320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 549.977192][ T3320] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 549.977525][ T3320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 549.977851][ T3320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 549.978210][ T3320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 549.978528][ T3320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 549.978852][ T3320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 549.979198][ T3320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 549.979523][ T3320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 549.979857][ T3320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 549.980282][ T3320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 549.980621][ T3320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 549.980961][ T3320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 549.981312][ T3320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 549.981652][ T3320] ? 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) 
[ 549.981997][ T3320] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 549.982333][ T3320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 549.982652][ T3320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 549.982993][ T3320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 549.983327][ T3320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 549.983649][ T3320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 549.984006][ T3320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 549.984347][ T3320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 549.984670][ T3320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 549.985130][ T3320] ___sys_sendmsg (net/socket.c:2670) 
[ 549.985541][ T3320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 549.985864][ T3320] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 549.986213][ T3320] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 549.986533][ T3320] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 549.986866][ T3320] ? __handle_mm_fault (mm/memory.c:6212) 
[ 549.987210][ T3320] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 549.987534][ T3320] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 549.987876][ T3320] __sys_sendmsg (net/socket.c:2700) 
[ 549.988233][ T3320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 549.988554][ T3320] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 549.988890][ T3320] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 549.989246][ T3320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 549.989573][ T3320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 549.989897][ T3320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  549.990425][ T3320] RIP: 0033:0x7f1892f5b1e7
[ 549.990760][ T3320] 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)
[  549.991971][ T3320] RSP: 002b:00007ffcf66fdd38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  549.992464][ T3320] RAX: ffffffffffffffda RBX: 00007ffcf66fe460 RCX: 00007f1892f5b1e7
[  549.992952][ T3320] RDX: 0000000000000000 RSI: 00007ffcf66fdda0 RDI: 0000000000000005
[  549.993438][ T3320] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  549.993937][ T3320] R10: 00007f1892e536f8 R11: 0000000000000246 R12: 00007ffcf66fe490
[  549.994419][ T3320] R13: 00000000686e740a R14: 0000000000499600 R15: 00007ffcf66fde90
| [  551.634645][ T3336] ------------[ cut here ]------------
| [ 551.635111][ T3336] WARNING: CPU: 0 PID: 3336 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) 
| [  551.635727][ T3336] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  551.637244][ T3336] Tainted: [W]=WARN
[  551.637475][ T3336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 551.637854][ T3336] 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) 
[ 551.638174][ T3336] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  551.639270][ T3336] RSP: 0018:ffffc90000ab7000 EFLAGS: 00010246
[  551.639656][ T3336] RAX: 0000000000000000 RBX: ffff8880095dc000 RCX: 0000000000000001
[  551.640120][ T3336] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  551.640574][ T3336] RBP: ffffc90000ab70e8 R08: ffff8880095dc218 R09: 0000000000000000
[  551.641045][ T3336] R10: ffffc90000ab7118 R11: ffffffffa6f8d1e0 R12: 1ffff92000156e04
[  551.641511][ T3336] R13: 00000000000005c4 R14: ffffc90000ab7118 R15: ffff8880095dc218
[  551.641976][ T3336] FS:  00007f166db6d800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  551.642508][ T3336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  551.642897][ T3336] CR2: 0000000000436890 CR3: 0000000005b49002 CR4: 0000000000772ef0
[  551.643364][ T3336] PKRU: 55555554
[  551.643593][ T3336] Call Trace:
[  551.643822][ T3336]  <TASK>
[ 551.643987][ T3336] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 551.644310][ T3336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 551.644616][ T3336] ? vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4715) vxlan 
[ 551.645014][ T3336] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 551.645407][ T3336] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 551.645822][ T3336] netif_set_mtu (net/core/dev.c:9652) 
[ 551.646139][ T3336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 551.646451][ T3336] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 551.646760][ T3336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 551.647001][ T3336] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 551.647317][ T3336] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 551.647629][ T3336] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 551.647948][ T3336] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 551.648327][ T3336] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 551.648638][ T3336] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 551.648955][ T3336] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 551.649264][ T3336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 551.649572][ T3336] ? __dev_get_by_name (net/core/dev.c:865) 
[ 551.649874][ T3336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 551.650187][ T3336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 551.650503][ T3336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 551.650808][ T3336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 551.651127][ T3336] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 551.651441][ T3336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 551.651766][ T3336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 551.652090][ T3336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 551.652393][ T3336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 551.652697][ T3336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 551.653009][ T3336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 551.653315][ T3336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 551.653623][ T3336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 551.653942][ T3336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 551.654257][ T3336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 551.654563][ T3336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 551.654877][ T3336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 551.655186][ T3336] ? 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) 
[ 551.655492][ T3336] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 551.655805][ T3336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 551.656117][ T3336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 551.656433][ T3336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 551.656741][ T3336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 551.657055][ T3336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 551.657371][ T3336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 551.657678][ T3336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 551.657993][ T3336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 551.658385][ T3336] ___sys_sendmsg (net/socket.c:2670) 
[ 551.658696][ T3336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 551.659010][ T3336] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 551.659320][ T3336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 551.659621][ T3336] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 551.659942][ T3336] ? __handle_mm_fault (mm/memory.c:6212) 
[ 551.660251][ T3336] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 551.660560][ T3336] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 551.660885][ T3336] __sys_sendmsg (net/socket.c:2700) 
[ 551.661202][ T3336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 551.661515][ T3336] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 551.661827][ T3336] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 551.662172][ T3336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 551.662483][ T3336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 551.662790][ T3336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  551.663188][ T3336] RIP: 0033:0x7f166dd3a1e7
[ 551.663504][ T3336] 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)
[  551.664598][ T3336] RSP: 002b:00007ffff7cdd528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  551.665074][ T3336] RAX: ffffffffffffffda RBX: 00007ffff7cddc50 RCX: 00007f166dd3a1e7
[  551.665530][ T3336] RDX: 0000000000000000 RSI: 00007ffff7cdd590 RDI: 0000000000000005
[  551.665993][ T3336] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  551.666449][ T3336] R10: 00007f166dc326f8 R11: 0000000000000246 R12: 00007ffff7cddc80
[  551.666913][ T3336] R13: 00000000686e740c R14: 0000000000499600 R15: 00007ffff7cdd680
| [  553.211007][ T3352] ------------[ cut here ]------------
| [ 553.211373][ T3352] WARNING: CPU: 3 PID: 3352 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) 
| [  553.212005][ T3352] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  553.213518][ T3352] Tainted: [W]=WARN
[  553.213752][ T3352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 553.214158][ T3352] 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) 
[ 553.214481][ T3352] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  553.215613][ T3352] RSP: 0018:ffffc900028f7000 EFLAGS: 00010246
[  553.216007][ T3352] RAX: 0000000000000000 RBX: ffff888006329000 RCX: 0000000000000001
[  553.216477][ T3352] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  553.216960][ T3352] RBP: ffffc900028f70e8 R08: ffff888006329218 R09: 0000000000000000
[  553.217426][ T3352] R10: ffffc900028f7118 R11: ffffffffa6f8d1e0 R12: 1ffff9200051ee04
[  553.217915][ T3352] R13: 000000000000ffe7 R14: ffffc900028f7118 R15: ffff888006329218
[  553.218411][ T3352] FS:  00007fabe4e8e800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  553.218977][ T3352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  553.219369][ T3352] CR2: 0000000000436890 CR3: 00000000054be006 CR4: 0000000000772ef0
[  553.219839][ T3352] PKRU: 55555554
[  553.220078][ T3352] Call Trace:
[  553.220312][ T3352]  <TASK>
[ 553.220466][ T3352] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 553.220856][ T3352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 553.221186][ T3352] netif_set_mtu (net/core/dev.c:9652) 
[ 553.221510][ T3352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 553.221834][ T3352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 553.222086][ T3352] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 553.222396][ T3352] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 553.222713][ T3352] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 553.223031][ T3352] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 553.223420][ T3352] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 553.223735][ T3352] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 553.224055][ T3352] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 553.224373][ T3352] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 553.224674][ T3352] ? __dev_get_by_name (net/core/dev.c:865) 
[ 553.224993][ T3352] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 553.225298][ T3352] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 553.225606][ T3352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 553.225907][ T3352] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 553.226232][ T3352] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 553.226552][ T3352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 553.226862][ T3352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 553.227189][ T3352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 553.227493][ T3352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 553.227800][ T3352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 553.228113][ T3352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 553.228419][ T3352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 553.228729][ T3352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 553.229053][ T3352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 553.229362][ T3352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 553.229667][ T3352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 553.229993][ T3352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 553.230295][ T3352] ? 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) 
[ 553.230601][ T3352] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 553.230907][ T3352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 553.231231][ T3352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 553.231557][ T3352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 553.231864][ T3352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 553.232176][ T3352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 553.232489][ T3352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 553.232797][ T3352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 553.233108][ T3352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 553.233509][ T3352] ___sys_sendmsg (net/socket.c:2670) 
[ 553.233885][ T3352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 553.234228][ T3352] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 553.234574][ T3352] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 553.234896][ T3352] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 553.235234][ T3352] ? __handle_mm_fault (mm/memory.c:6212) 
[ 553.235557][ T3352] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 553.235889][ T3352] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 553.236229][ T3352] __sys_sendmsg (net/socket.c:2700) 
[ 553.236539][ T3352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 553.236843][ T3352] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 553.237165][ T3352] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 553.237471][ T3352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 553.237780][ T3352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 553.238104][ T3352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  553.238481][ T3352] RIP: 0033:0x7fabe505b1e7
[ 553.238799][ T3352] 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)
[  553.239899][ T3352] RSP: 002b:00007ffc2f75ae18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  553.240376][ T3352] RAX: ffffffffffffffda RBX: 00007ffc2f75b540 RCX: 00007fabe505b1e7
[  553.240831][ T3352] RDX: 0000000000000000 RSI: 00007ffc2f75ae80 RDI: 0000000000000005
[  553.241298][ T3352] RBP: 0000000000000004 R08: 00000000000000b4 R09: 0000000000000000
[  553.241762][ T3352] R10: 00007fabe4f536f8 R11: 0000000000000246 R12: 00007ffc2f75b570
[  553.242239][ T3352] R13: 00000000686e740d R14: 0000000000499600 R15: 00007ffc2f75af70
| [  554.961991][ T3369] ------------[ cut here ]------------
| [ 554.962386][ T3369] WARNING: CPU: 1 PID: 3369 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) 
| [  554.963016][ T3369] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  554.964544][ T3369] Tainted: [W]=WARN
[  554.964777][ T3369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 554.965186][ T3369] 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) 
[ 554.965503][ T3369] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  554.967139][ T3369] RSP: 0018:ffffc900001a7000 EFLAGS: 00010246
[  554.967530][ T3369] RAX: 0000000000000000 RBX: ffff88800c0d1000 RCX: 0000000000000001
[  554.967999][ T3369] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  554.968459][ T3369] RBP: ffffc900001a70e8 R08: ffff88800c0d1218 R09: 0000000000000000
[  554.968945][ T3369] R10: ffffc900001a7118 R11: ffff88800926c5f0 R12: 1ffff92000034e04
[  554.969513][ T3369] R13: 000000000000ffe7 R14: ffffc900001a7118 R15: ffff88800c0d1218
[  554.969996][ T3369] FS:  00007fb5b33b7800(0000) GS:ffff8880c4419000(0000) knlGS:0000000000000000
[  554.970548][ T3369] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  554.970944][ T3369] CR2: 0000000000436890 CR3: 00000000026f1003 CR4: 0000000000772ef0
[  554.971403][ T3369] PKRU: 55555554
[  554.971645][ T3369] Call Trace:
[  554.971875][ T3369]  <TASK>
[ 554.972043][ T3369] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 554.972437][ T3369] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 554.972768][ T3369] netif_set_mtu (net/core/dev.c:9652) 
[ 554.973102][ T3369] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 554.973412][ T3369] ? irqentry_exit (kernel/entry/common.c:311) 
[ 554.973734][ T3369] ? dev_set_mtu (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:41 net/core/dev_api.c:247) 
[ 554.974054][ T3369] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 554.974286][ T3369] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 554.974597][ T3369] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 554.974917][ T3369] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 554.975247][ T3369] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 554.975625][ T3369] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 554.975954][ T3369] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 554.976266][ T3369] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 554.976575][ T3369] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 554.976877][ T3369] ? __dev_get_by_name (net/core/dev.c:865) 
[ 554.977226][ T3369] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 554.977532][ T3369] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 554.977843][ T3369] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 554.978153][ T3369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 554.978470][ T3369] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 554.978785][ T3369] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 554.979105][ T3369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 554.979422][ T3369] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 554.979733][ T3369] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 554.980048][ T3369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 554.980357][ T3369] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 554.980662][ T3369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 554.980995][ T3369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 554.981308][ T3369] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 554.981625][ T3369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 554.981975][ T3369] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 554.982301][ T3369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 554.982603][ T3369] ? 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) 
[ 554.982909][ T3369] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 554.983241][ T3369] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 554.983548][ T3369] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 554.983860][ T3369] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 554.984185][ T3369] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 554.984492][ T3369] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 554.984804][ T3369] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 554.985133][ T3369] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 554.985437][ T3369] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 554.985827][ T3369] ___sys_sendmsg (net/socket.c:2670) 
[ 554.986143][ T3369] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 554.986455][ T3369] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 554.986763][ T3369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 554.987073][ T3369] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 554.987389][ T3369] ? __handle_mm_fault (mm/memory.c:6212) 
[ 554.987692][ T3369] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 554.988000][ T3369] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 554.988324][ T3369] __sys_sendmsg (net/socket.c:2700) 
[ 554.988641][ T3369] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 554.988966][ T3369] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 554.989291][ T3369] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 554.989595][ T3369] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 554.989913][ T3369] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 554.990250][ T3369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  554.990648][ T3369] RIP: 0033:0x7fb5b35841e7
[ 554.990998][ T3369] 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)
[  554.992163][ T3369] RSP: 002b:00007ffe1a44f4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  554.992649][ T3369] RAX: ffffffffffffffda RBX: 00007ffe1a44fbd0 RCX: 00007fb5b35841e7
[  554.993164][ T3369] RDX: 0000000000000000 RSI: 00007ffe1a44f510 RDI: 0000000000000005
[  554.993648][ T3369] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  554.994140][ T3369] R10: 00007fb5b347c6f8 R11: 0000000000000246 R12: 00007ffe1a44fc00
[  554.994620][ T3369] R13: 00000000686e740f R14: 0000000000499600 R15: 00007ffe1a44f600
| [  556.689557][ T3386] ------------[ cut here ]------------
| [ 556.689907][ T3386] WARNING: CPU: 0 PID: 3386 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) 
| [  556.691086][ T3386] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  556.692603][ T3386] Tainted: [W]=WARN
[  556.692838][ T3386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 556.693250][ T3386] 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) 
[ 556.693569][ T3386] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  556.694709][ T3386] RSP: 0018:ffffc90000cf7000 EFLAGS: 00010246
[  556.695106][ T3386] RAX: 0000000000000000 RBX: ffff8880054d1000 RCX: 0000000000000001
[  556.695574][ T3386] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  556.696051][ T3386] RBP: ffffc90000cf70e8 R08: ffff8880054d1218 R09: 0000000000000000
[  556.696542][ T3386] R10: ffffc90000cf7118 R11: ffffffffa6f8d1e0 R12: 1ffff9200019ee04
[  556.697040][ T3386] R13: 00000000000005c4 R14: ffffc90000cf7118 R15: ffff8880054d1218
[  556.697517][ T3386] FS:  00007f91e88f4800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  556.698073][ T3386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  556.698462][ T3386] CR2: 00007f91e8b4fb78 CR3: 000000000b077001 CR4: 0000000000772ef0
[  556.698942][ T3386] PKRU: 55555554
[  556.699174][ T3386] Call Trace:
[  556.699403][ T3386]  <TASK>
[ 556.699560][ T3386] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 556.699889][ T3386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 556.700204][ T3386] ? vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4715) vxlan 
[ 556.700595][ T3386] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 556.701008][ T3386] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 556.701432][ T3386] netif_set_mtu (net/core/dev.c:9652) 
[ 556.701752][ T3386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 556.702090][ T3386] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 556.702404][ T3386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 556.702642][ T3386] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 556.702966][ T3386] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 556.703280][ T3386] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 556.703590][ T3386] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 556.703980][ T3386] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 556.704307][ T3386] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 556.704616][ T3386] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 556.704954][ T3386] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 556.705262][ T3386] ? __dev_get_by_name (net/core/dev.c:865) 
[ 556.705572][ T3386] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 556.705876][ T3386] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 556.706202][ T3386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 556.706516][ T3386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 556.706831][ T3386] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 556.707161][ T3386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 556.707483][ T3386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 556.707801][ T3386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 556.708115][ T3386] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 556.708424][ T3386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 556.708729][ T3386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 556.709063][ T3386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 556.709376][ T3386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 556.709692][ T3386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 556.710005][ T3386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 556.710314][ T3386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 556.710630][ T3386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 556.710943][ T3386] ? 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) 
[ 556.711258][ T3386] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 556.711573][ T3386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 556.711877][ T3386] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 556.712198][ T3386] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 556.712517][ T3386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 556.712825][ T3386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 556.713157][ T3386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 556.713480][ T3386] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 556.713785][ T3386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 556.714192][ T3386] ___sys_sendmsg (net/socket.c:2670) 
[ 556.714504][ T3386] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 556.714810][ T3386] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 556.715124][ T3386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 556.715455][ T3386] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 556.715774][ T3386] ? __handle_mm_fault (mm/memory.c:6212) 
[ 556.716090][ T3386] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 556.716391][ T3386] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 556.716718][ T3386] __sys_sendmsg (net/socket.c:2700) 
[ 556.717047][ T3386] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 556.717351][ T3386] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 556.717669][ T3386] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 556.717987][ T3386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 556.718296][ T3386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 556.718609][ T3386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  556.718995][ T3386] RIP: 0033:0x7f91e8ac11e7
[ 556.719316][ T3386] 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)
[  556.720422][ T3386] RSP: 002b:00007fff415d0f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  556.720888][ T3386] RAX: ffffffffffffffda RBX: 00007fff415d1670 RCX: 00007f91e8ac11e7
[  556.721369][ T3386] RDX: 0000000000000000 RSI: 00007fff415d0fb0 RDI: 0000000000000005
[  556.721847][ T3386] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  556.722320][ T3386] R10: 00007f91e89b96f8 R11: 0000000000000246 R12: 00007fff415d16a0
[  556.722782][ T3386] R13: 00000000686e7411 R14: 0000000000499600 R15: 00007fff415d10a0
| [  558.321278][ T3403] ------------[ cut here ]------------
| [ 558.321654][ T3403] WARNING: CPU: 0 PID: 3403 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) 
| [  558.322286][ T3403] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  558.323793][ T3403] Tainted: [W]=WARN
[  558.324040][ T3403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 558.324423][ T3403] 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) 
[ 558.324750][ T3403] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  558.325907][ T3403] RSP: 0018:ffffc90000d97000 EFLAGS: 00010246
[  558.326321][ T3403] RAX: 0000000000000000 RBX: ffff888007e79000 RCX: 0000000000000001
[  558.326790][ T3403] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  558.327712][ T3403] RBP: ffffc90000d970e8 R08: ffff888007e79218 R09: 0000000000000000
[  558.328190][ T3403] R10: ffffc90000d97118 R11: ffffffffa6f8d1e0 R12: 1ffff920001b2e04
[  558.328658][ T3403] R13: 000000000000ffe7 R14: ffffc90000d97118 R15: ffff888007e79218
[  558.329127][ T3403] FS:  00007f131e865800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  558.329662][ T3403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  558.330069][ T3403] CR2: 0000000000436890 CR3: 000000000c553001 CR4: 0000000000772ef0
[  558.330533][ T3403] PKRU: 55555554
[  558.330768][ T3403] Call Trace:
[  558.331049][ T3403]  <TASK>
[ 558.331208][ T3403] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 558.331611][ T3403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 558.331950][ T3403] netif_set_mtu (net/core/dev.c:9652) 
[ 558.332259][ T3403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 558.332578][ T3403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 558.332813][ T3403] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 558.333141][ T3403] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 558.333456][ T3403] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 558.333765][ T3403] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 558.334160][ T3403] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 558.334475][ T3403] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 558.334784][ T3403] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 558.335119][ T3403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 558.335440][ T3403] ? __dev_get_by_name (net/core/dev.c:865) 
[ 558.335784][ T3403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 558.336112][ T3403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 558.336423][ T3403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 558.336724][ T3403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 558.337056][ T3403] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 558.337377][ T3403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 558.337687][ T3403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 558.338019][ T3403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 558.338329][ T3403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 558.338646][ T3403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 558.338973][ T3403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 558.339281][ T3403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 558.339587][ T3403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 558.339905][ T3403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 558.340222][ T3403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 558.340540][ T3403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 558.340862][ T3403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 558.341174][ T3403] ? 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) 
[ 558.341488][ T3403] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 558.341810][ T3403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 558.342121][ T3403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 558.342436][ T3403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 558.342745][ T3403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 558.343074][ T3403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 558.343399][ T3403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 558.343770][ T3403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 558.344081][ T3403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 558.344473][ T3403] ___sys_sendmsg (net/socket.c:2670) 
[ 558.344795][ T3403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 558.345106][ T3403] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 558.345431][ T3403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 558.345737][ T3403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 558.346052][ T3403] ? __handle_mm_fault (mm/memory.c:6212) 
[ 558.346355][ T3403] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 558.346657][ T3403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 558.347008][ T3403] __sys_sendmsg (net/socket.c:2700) 
[ 558.347319][ T3403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 558.347622][ T3403] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 558.347946][ T3403] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 558.348251][ T3403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 558.348556][ T3403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 558.348863][ T3403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  558.349247][ T3403] RIP: 0033:0x7f131ea321e7
[ 558.349563][ T3403] 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)
[  558.350657][ T3403] RSP: 002b:00007fff8ad18fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  558.351140][ T3403] RAX: ffffffffffffffda RBX: 00007fff8ad196d0 RCX: 00007f131ea321e7
[  558.351618][ T3403] RDX: 0000000000000000 RSI: 00007fff8ad19010 RDI: 0000000000000005
[  558.352079][ T3403] RBP: 0000000000000004 R08: 00000000000000b4 R09: 0000000000000000
[  558.352535][ T3403] R10: 00007f131e92a6f8 R11: 0000000000000246 R12: 00007fff8ad19700
[  558.352997][ T3403] R13: 00000000686e7412 R14: 0000000000499600 R15: 00007fff8ad19100
| [  559.801110][ T3419] ------------[ cut here ]------------
| [ 559.801515][ T3419] WARNING: CPU: 2 PID: 3419 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) 
| [  559.802412][ T3419] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  559.804032][ T3419] Tainted: [W]=WARN
[  559.804280][ T3419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 559.804678][ T3419] 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) 
[ 559.805046][ T3419] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  559.806168][ T3419] RSP: 0018:ffffc90000e07000 EFLAGS: 00010246
[  559.806571][ T3419] RAX: 0000000000000000 RBX: ffff888008a21000 RCX: 0000000000000001
[  559.807065][ T3419] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  559.807561][ T3419] RBP: ffffc90000e070e8 R08: ffff888008a21218 R09: 0000000000000000
[  559.808047][ T3419] R10: ffffc90000e07118 R11: ffffffffa6f8d1e0 R12: 1ffff920001c0e04
[  559.808518][ T3419] R13: 000000000000ffe7 R14: ffffc90000e07118 R15: ffff888008a21218
[  559.809023][ T3419] FS:  00007f0e87e28800(0000) GS:ffff8880c4499000(0000) knlGS:0000000000000000
[  559.809577][ T3419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  559.809989][ T3419] CR2: 0000000000436890 CR3: 0000000011ece006 CR4: 0000000000772ef0
[  559.810462][ T3419] PKRU: 55555554
[  559.810704][ T3419] Call Trace:
[  559.810959][ T3419]  <TASK>
[ 559.811132][ T3419] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 559.811555][ T3419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 559.811879][ T3419] ? __nf_tables_flowtable_event (net/netfilter/nf_tables_api.c:9816) nf_tables 
[ 559.812343][ T3419] netif_set_mtu (net/core/dev.c:9652) 
[ 559.812666][ T3419] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 559.813025][ T3419] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 559.813274][ T3419] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 559.813601][ T3419] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 559.813949][ T3419] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 559.814276][ T3419] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 559.814671][ T3419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 559.815010][ T3419] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 559.815331][ T3419] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 559.815652][ T3419] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 559.815989][ T3419] ? __dev_get_by_name (net/core/dev.c:865) 
[ 559.816308][ T3419] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 559.816626][ T3419] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 559.816996][ T3419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 559.817317][ T3419] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 559.817642][ T3419] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 559.817984][ T3419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 559.818311][ T3419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 559.818656][ T3419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 559.818984][ T3419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 559.819314][ T3419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 559.819636][ T3419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 559.819969][ T3419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 559.820296][ T3419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 559.820621][ T3419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 559.820974][ T3419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 559.821297][ T3419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 559.821647][ T3419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 559.821981][ T3419] ? 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) 
[ 559.822300][ T3419] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 559.822620][ T3419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 559.822948][ T3419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 559.823278][ T3419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 559.823604][ T3419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 559.823932][ T3419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 559.824262][ T3419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 559.824583][ T3419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 559.824903][ T3419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 559.825337][ T3419] ___sys_sendmsg (net/socket.c:2670) 
[ 559.825671][ T3419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 559.826006][ T3419] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 559.826332][ T3419] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 559.826647][ T3419] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 559.826988][ T3419] ? __handle_mm_fault (mm/memory.c:6212) 
[ 559.827304][ T3419] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 559.827624][ T3419] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 559.827983][ T3419] __sys_sendmsg (net/socket.c:2700) 
[ 559.828307][ T3419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 559.828622][ T3419] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 559.828979][ T3419] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 559.829306][ T3419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 559.829632][ T3419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 559.829966][ T3419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  559.830367][ T3419] RIP: 0033:0x7f0e87ff51e7
[ 559.830699][ T3419] 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)
[  559.831825][ T3419] RSP: 002b:00007fff91b0b088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  559.832317][ T3419] RAX: ffffffffffffffda RBX: 00007fff91b0b7b0 RCX: 00007f0e87ff51e7
[  559.832791][ T3419] RDX: 0000000000000000 RSI: 00007fff91b0b0f0 RDI: 0000000000000005
[  559.833286][ T3419] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  559.833757][ T3419] R10: 00007f0e87eed6f8 R11: 0000000000000246 R12: 00007fff91b0b7e0
[  559.834242][ T3419] R13: 00000000686e7414 R14: 0000000000499600 R15: 00007fff91b0b1e0
| [  561.310742][ T3435] ------------[ cut here ]------------
| [ 561.311135][ T3435] WARNING: CPU: 3 PID: 3435 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) 
| [  561.311808][ T3435] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  561.313345][ T3435] Tainted: [W]=WARN
[  561.313589][ T3435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 561.314015][ T3435] 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) 
[ 561.314348][ T3435] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  561.315484][ T3435] RSP: 0018:ffffc90000de7000 EFLAGS: 00010246
[  561.315895][ T3435] RAX: 0000000000000000 RBX: ffff88800a334000 RCX: 0000000000000001
[  561.316390][ T3435] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  561.316877][ T3435] RBP: ffffc90000de70e8 R08: ffff88800a334218 R09: 0000000000000000
[  561.317351][ T3435] R10: ffffc90000de7118 R11: ffffffffa6f8d1e0 R12: 1ffff920001bce04
[  561.317823][ T3435] R13: 00000000000005c4 R14: ffffc90000de7118 R15: ffff88800a334218
[  561.318338][ T3435] FS:  00007fc95d2f1800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  561.318891][ T3435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  561.319309][ T3435] CR2: 00007fc95d3f1130 CR3: 0000000009de3005 CR4: 0000000000772ef0
[  561.319777][ T3435] PKRU: 55555554
[  561.320037][ T3435] Call Trace:
[  561.320270][ T3435]  <TASK>
[ 561.320437][ T3435] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 561.320762][ T3435] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 561.321101][ T3435] ? vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4715) vxlan 
[ 561.321517][ T3435] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 561.321939][ T3435] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 561.322369][ T3435] netif_set_mtu (net/core/dev.c:9652) 
[ 561.322682][ T3435] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 561.323020][ T3435] ? __pfx_register_netdevice (net/core/dev.c:11036) 
[ 561.323344][ T3435] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 561.323587][ T3435] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 561.323898][ T3435] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 561.324237][ T3435] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 561.324557][ T3435] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 561.324955][ T3435] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 561.325276][ T3435] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 561.325601][ T3435] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 561.325931][ T3435] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 561.326248][ T3435] ? __dev_get_by_name (net/core/dev.c:865) 
[ 561.326561][ T3435] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 561.326876][ T3435] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 561.327207][ T3435] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 561.327516][ T3435] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 561.327842][ T3435] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 561.328171][ T3435] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 561.328483][ T3435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 561.328799][ T3435] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 561.329111][ T3435] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 561.329424][ T3435] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 561.329729][ T3435] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 561.330052][ T3435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 561.330378][ T3435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 561.330697][ T3435] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 561.331011][ T3435] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 561.331317][ T3435] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 561.331643][ T3435] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 561.331965][ T3435] ? 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) 
[ 561.332273][ T3435] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 561.332597][ T3435] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 561.332903][ T3435] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 561.333225][ T3435] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 561.333556][ T3435] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 561.333865][ T3435] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 561.334209][ T3435] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 561.334527][ T3435] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 561.334830][ T3435] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 561.335260][ T3435] ___sys_sendmsg (net/socket.c:2670) 
[ 561.335567][ T3435] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 561.335885][ T3435] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 561.336218][ T3435] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 561.336551][ T3435] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 561.336879][ T3435] ? __handle_mm_fault (mm/memory.c:6212) 
[ 561.337199][ T3435] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 561.337516][ T3435] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 561.337869][ T3435] __sys_sendmsg (net/socket.c:2700) 
[ 561.338200][ T3435] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 561.338507][ T3435] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 561.338835][ T3435] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 561.339152][ T3435] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 561.339463][ T3435] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 561.339783][ T3435] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  561.340202][ T3435] RIP: 0033:0x7fc95d4be1e7
[ 561.340553][ T3435] 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)
[  561.341685][ T3435] RSP: 002b:00007ffdd60fd498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  561.342169][ T3435] RAX: ffffffffffffffda RBX: 00007ffdd60fdbc0 RCX: 00007fc95d4be1e7
[  561.342636][ T3435] RDX: 0000000000000000 RSI: 00007ffdd60fd500 RDI: 0000000000000005
[  561.343114][ T3435] RBP: 0000000000000004 R08: 00000000000000ac R09: 0000000000000000
[  561.343586][ T3435] R10: 00007fc95d3b66f8 R11: 0000000000000246 R12: 00007ffdd60fdbf0
[  561.344085][ T3435] R13: 00000000686e7415 R14: 0000000000499600 R15: 00007ffdd60fd5f0
| [  562.825593][ T3451] ------------[ cut here ]------------
| [ 562.825988][ T3451] WARNING: CPU: 3 PID: 3451 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) 
| [  562.826641][ T3451] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  562.828250][ T3451] Tainted: [W]=WARN
[  562.828494][ T3451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 562.828900][ T3451] 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) 
[ 562.829242][ T3451] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  562.830404][ T3451] RSP: 0018:ffffc90000f57000 EFLAGS: 00010246
[  562.830816][ T3451] RAX: 0000000000000000 RBX: ffff88800aee9000 RCX: 0000000000000001
[  562.831317][ T3451] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  562.831815][ T3451] RBP: ffffc90000f570e8 R08: ffff88800aee9218 R09: 0000000000000000
[  562.832306][ T3451] R10: ffffc90000f57118 R11: ffffffffa6f8d1e0 R12: 1ffff920001eae04
[  562.832785][ T3451] R13: 000000000000ffd9 R14: ffffc90000f57118 R15: ffff88800aee9218
[  562.833284][ T3451] FS:  00007f913e868800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  562.833853][ T3451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  562.834266][ T3451] CR2: 0000000000436890 CR3: 000000000f25b005 CR4: 0000000000772ef0
[  562.834751][ T3451] PKRU: 55555554
[  562.835027][ T3451] Call Trace:
[  562.835269][ T3451]  <TASK>
[ 562.835434][ T3451] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 562.835838][ T3451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 562.836188][ T3451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 562.836532][ T3451] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 562.836866][ T3451] netif_set_mtu (net/core/dev.c:9652) 
[ 562.837197][ T3451] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 562.837548][ T3451] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 562.837871][ T3451] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 562.838134][ T3451] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 562.838465][ T3451] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 562.838815][ T3451] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 562.839159][ T3451] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 562.839560][ T3451] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 562.839899][ T3451] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 562.840265][ T3451] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 562.840594][ T3451] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 562.840956][ T3451] ? __dev_get_by_name (net/core/dev.c:865) 
[ 562.841295][ T3451] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 562.841649][ T3451] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 562.841992][ T3451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 562.842317][ T3451] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 562.842645][ T3451] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 562.842992][ T3451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 562.843327][ T3451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 562.843670][ T3451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 562.843997][ T3451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 562.844323][ T3451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 562.844648][ T3451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 562.844981][ T3451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 562.845306][ T3451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 562.845634][ T3451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 562.845963][ T3451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 562.846297][ T3451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 562.846630][ T3451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 562.846962][ T3451] ? 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) 
[ 562.847287][ T3451] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 562.847613][ T3451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 562.847942][ T3451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 562.848276][ T3451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 562.848604][ T3451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 562.848937][ T3451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 562.849271][ T3451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 562.849594][ T3451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 562.849917][ T3451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 562.850342][ T3451] ___sys_sendmsg (net/socket.c:2670) 
[ 562.850670][ T3451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 562.851010][ T3451] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 562.851336][ T3451] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 562.851668][ T3451] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 562.852006][ T3451] ? __handle_mm_fault (mm/memory.c:6212) 
[ 562.852329][ T3451] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 562.852646][ T3451] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 562.853003][ T3451] __sys_sendmsg (net/socket.c:2700) 
[ 562.853333][ T3451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 562.853663][ T3451] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 562.854010][ T3451] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 562.854345][ T3451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 562.854683][ T3451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 562.855023][ T3451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  562.855450][ T3451] RIP: 0033:0x7f913ea351e7
[ 562.855797][ T3451] 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)
[  562.856958][ T3451] RSP: 002b:00007ffeabe0d6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  562.857443][ T3451] RAX: ffffffffffffffda RBX: 00007ffeabe0de00 RCX: 00007f913ea351e7
[  562.857944][ T3451] RDX: 0000000000000000 RSI: 00007ffeabe0d740 RDI: 0000000000000005
[  562.858429][ T3451] RBP: 0000000000000004 R08: 00000000000000b8 R09: 0000000000000000
[  562.858911][ T3451] R10: 00007f913e92d6f8 R11: 0000000000000246 R12: 00007ffeabe0de30
[  562.859403][ T3451] R13: 00000000686e7417 R14: 0000000000499600 R15: 00007ffeabe0d834
| [  564.352161][ T3467] ------------[ cut here ]------------
| [ 564.352527][ T3467] WARNING: CPU: 0 PID: 3467 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) 
| [  564.353163][ T3467] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  564.354675][ T3467] Tainted: [W]=WARN
[  564.355084][ T3467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 564.355467][ T3467] 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) 
[ 564.355779][ T3467] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  564.357031][ T3467] RSP: 0018:ffffc90000ff7000 EFLAGS: 00010246
[  564.357425][ T3467] RAX: 0000000000000000 RBX: ffff88800530c000 RCX: 0000000000000001
[  564.357880][ T3467] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  564.358481][ T3467] RBP: ffffc90000ff70e8 R08: ffff88800530c218 R09: 0000000000000000
[  564.358946][ T3467] R10: ffffc90000ff7118 R11: ffffffffa6f8d1e0 R12: 1ffff920001fee04
[  564.359409][ T3467] R13: 000000000000ffd9 R14: ffffc90000ff7118 R15: ffff88800530c218
[  564.359866][ T3467] FS:  00007fd046047800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  564.360407][ T3467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  564.360791][ T3467] CR2: 0000000000436890 CR3: 000000000291b006 CR4: 0000000000772ef0
[  564.361261][ T3467] PKRU: 55555554
[  564.361524][ T3467] Call Trace:
[  564.361781][ T3467]  <TASK>
[ 564.361946][ T3467] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 564.362331][ T3467] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 564.362642][ T3467] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 564.362957][ T3467] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 564.363276][ T3467] netif_set_mtu (net/core/dev.c:9652) 
[ 564.363584][ T3467] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 564.363908][ T3467] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 564.364224][ T3467] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 564.364458][ T3467] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 564.364767][ T3467] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 564.365092][ T3467] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 564.365401][ T3467] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 564.365785][ T3467] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 564.366118][ T3467] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 564.366457][ T3467] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 564.366766][ T3467] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 564.367081][ T3467] ? __dev_get_by_name (net/core/dev.c:865) 
[ 564.367396][ T3467] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 564.367698][ T3467] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 564.368035][ T3467] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 564.368342][ T3467] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 564.368660][ T3467] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 564.368985][ T3467] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 564.369297][ T3467] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 564.369613][ T3467] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 564.369914][ T3467] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 564.370235][ T3467] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 564.370545][ T3467] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 564.370860][ T3467] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 564.371177][ T3467] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 564.371495][ T3467] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 564.371829][ T3467] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 564.372147][ T3467] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 564.372465][ T3467] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 564.372772][ T3467] ? 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) 
[ 564.373098][ T3467] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 564.373409][ T3467] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 564.373713][ T3467] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 564.374029][ T3467] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 564.374344][ T3467] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 564.374648][ T3467] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 564.374965][ T3467] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 564.375278][ T3467] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 564.375587][ T3467] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 564.375985][ T3467] ___sys_sendmsg (net/socket.c:2670) 
[ 564.376300][ T3467] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 564.376602][ T3467] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 564.376911][ T3467] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 564.377227][ T3467] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 564.377546][ T3467] ? __handle_mm_fault (mm/memory.c:6212) 
[ 564.377848][ T3467] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 564.378158][ T3467] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 564.378485][ T3467] __sys_sendmsg (net/socket.c:2700) 
[ 564.378790][ T3467] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 564.379101][ T3467] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 564.379413][ T3467] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 564.379724][ T3467] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 564.380039][ T3467] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 564.380349][ T3467] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  564.380730][ T3467] RIP: 0033:0x7fd0462141e7
[ 564.381058][ T3467] 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)
[  564.382204][ T3467] RSP: 002b:00007ffec499ded8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  564.382663][ T3467] RAX: ffffffffffffffda RBX: 00007ffec499e600 RCX: 00007fd0462141e7
[  564.383132][ T3467] RDX: 0000000000000000 RSI: 00007ffec499df40 RDI: 0000000000000005
[  564.383589][ T3467] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  564.384065][ T3467] R10: 00007fd04610c6f8 R11: 0000000000000246 R12: 00007ffec499e630
[  564.384522][ T3467] R13: 00000000686e7418 R14: 0000000000499600 R15: 00007ffec499e034
| [  565.900766][ T3483] ------------[ cut here ]------------
| [ 565.901174][ T3483] WARNING: CPU: 0 PID: 3483 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) 
| [  565.901856][ T3483] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  565.903462][ T3483] Tainted: [W]=WARN
[  565.903709][ T3483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 565.904132][ T3483] 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) 
[ 565.904495][ T3483] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  565.905662][ T3483] RSP: 0018:ffffc900010b7000 EFLAGS: 00010246
[  565.906085][ T3483] RAX: 0000000000000000 RBX: ffff888009731000 RCX: 0000000000000001
[  565.906575][ T3483] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  565.907068][ T3483] RBP: ffffc900010b70e8 R08: ffff888009731218 R09: 0000000000000000
[  565.907552][ T3483] R10: ffffc900010b7118 R11: 5bda23d8e655b622 R12: 1ffff92000216e04
[  565.908052][ T3483] R13: 00000000000005b6 R14: ffffc900010b7118 R15: ffff888009731218
[  565.908536][ T3483] FS:  00007f2ff4d3f800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  565.909113][ T3483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  565.909517][ T3483] CR2: 0000000000436890 CR3: 0000000004ffb005 CR4: 0000000000772ef0
[  565.910012][ T3483] PKRU: 55555554
[  565.910263][ T3483] Call Trace:
[  565.910507][ T3483]  <TASK>
[ 565.910673][ T3483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 565.911017][ T3483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 565.911351][ T3483] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 565.911718][ T3483] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 565.912062][ T3483] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 565.912508][ T3483] netif_set_mtu (net/core/dev.c:9652) 
[ 565.912835][ T3483] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 565.913187][ T3483] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 565.913604][ T3483] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 565.913846][ T3483] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 565.914174][ T3483] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 565.914494][ T3483] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 565.914806][ T3483] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 565.915198][ T3483] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 565.915519][ T3483] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 565.915828][ T3483] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 565.916156][ T3483] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 565.916464][ T3483] ? __dev_get_by_name (net/core/dev.c:865) 
[ 565.916775][ T3483] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 565.917092][ T3483] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 565.917406][ T3483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 565.917710][ T3483] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 565.918046][ T3483] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 565.918376][ T3483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 565.918688][ T3483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 565.919016][ T3483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 565.919320][ T3483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 565.919633][ T3483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 565.919954][ T3483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 565.920277][ T3483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 565.920588][ T3483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 565.920899][ T3483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 565.921220][ T3483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 565.921552][ T3483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 565.921883][ T3483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 565.922199][ T3483] ? 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) 
[ 565.922517][ T3483] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 565.922829][ T3483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 565.923146][ T3483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 565.923457][ T3483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 565.923766][ T3483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 565.924085][ T3483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 565.924404][ T3483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 565.924720][ T3483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 565.925038][ T3483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 565.925432][ T3483] ___sys_sendmsg (net/socket.c:2670) 
[ 565.925743][ T3483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 565.926061][ T3483] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 565.926371][ T3483] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 565.926674][ T3483] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 565.927001][ T3483] ? __handle_mm_fault (mm/memory.c:6212) 
[ 565.927309][ T3483] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 565.927612][ T3483] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 565.927952][ T3483] __sys_sendmsg (net/socket.c:2700) 
[ 565.928260][ T3483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 565.928565][ T3483] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 565.928883][ T3483] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 565.929213][ T3483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 565.929524][ T3483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 565.929832][ T3483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  565.930227][ T3483] RIP: 0033:0x7f2ff4f0c1e7
[ 565.930546][ T3483] 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)
[  565.931670][ T3483] RSP: 002b:00007ffe3fbb6c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  565.932167][ T3483] RAX: ffffffffffffffda RBX: 00007ffe3fbb7350 RCX: 00007f2ff4f0c1e7
[  565.932623][ T3483] RDX: 0000000000000000 RSI: 00007ffe3fbb6c90 RDI: 0000000000000005
[  565.933090][ T3483] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  565.933556][ T3483] R10: 00007f2ff4e046f8 R11: 0000000000000246 R12: 00007ffe3fbb7380
[  565.934023][ T3483] R13: 00000000686e741a R14: 0000000000499600 R15: 00007ffe3fbb6d84
| [  567.485448][ T3499] ------------[ cut here ]------------
| [ 567.485806][ T3499] WARNING: CPU: 1 PID: 3499 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) 
| [  567.486455][ T3499] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  567.489658][ T3499] Tainted: [W]=WARN
[  567.489895][ T3499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 567.490315][ T3499] 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) 
[ 567.490640][ T3499] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  567.491779][ T3499] RSP: 0018:ffffc90001157000 EFLAGS: 00010246
[  567.492181][ T3499] RAX: 0000000000000000 RBX: ffff888006331000 RCX: 0000000000000001
[  567.492669][ T3499] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  567.493155][ T3499] RBP: ffffc900011570e8 R08: ffff888006331218 R09: 0000000000000000
[  567.493630][ T3499] R10: ffffc90001157118 R11: ffffffffa6f8d1e0 R12: 1ffff9200022ae04
[  567.494132][ T3499] R13: 000000000000ffd9 R14: ffffc90001157118 R15: ffff888006331218
[  567.494637][ T3499] FS:  00007fc9483b2800(0000) GS:ffff8880c4419000(0000) knlGS:0000000000000000
[  567.495238][ T3499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  567.495649][ T3499] CR2: 0000000000436890 CR3: 000000000e1ce006 CR4: 0000000000772ef0
[  567.496145][ T3499] PKRU: 55555554
[  567.496390][ T3499] Call Trace:
[  567.496631][ T3499]  <TASK>
[ 567.496794][ T3499] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 567.497223][ T3499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 567.497551][ T3499] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 567.497878][ T3499] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 567.498238][ T3499] netif_set_mtu (net/core/dev.c:9652) 
[ 567.498563][ T3499] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 567.498899][ T3499] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 567.499265][ T3499] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 567.499649][ T3499] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 567.499992][ T3499] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 567.500312][ T3499] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 567.500641][ T3499] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 567.501049][ T3499] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 567.501366][ T3499] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 567.501712][ T3499] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 567.502073][ T3499] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 567.502385][ T3499] ? __dev_get_by_name (net/core/dev.c:865) 
[ 567.502693][ T3499] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 567.503012][ T3499] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 567.503345][ T3499] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 567.503655][ T3499] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 567.503982][ T3499] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 567.504315][ T3499] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 567.504644][ T3499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 567.504985][ T3499] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 567.505300][ T3499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 567.505630][ T3499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 567.505974][ T3499] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 567.506286][ T3499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 567.506605][ T3499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 567.506946][ T3499] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 567.507259][ T3499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 567.507578][ T3499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 567.507902][ T3499] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 567.508225][ T3499] ? 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) 
[ 567.508533][ T3499] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 567.508839][ T3499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 567.509170][ T3499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 567.509494][ T3499] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 567.509808][ T3499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 567.510145][ T3499] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 567.510463][ T3499] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 567.510777][ T3499] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 567.511091][ T3499] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 567.511504][ T3499] ___sys_sendmsg (net/socket.c:2670) 
[ 567.511820][ T3499] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 567.512133][ T3499] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 567.512451][ T3499] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 567.512759][ T3499] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 567.513077][ T3499] ? __handle_mm_fault (mm/memory.c:6212) 
[ 567.513385][ T3499] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 567.513702][ T3499] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 567.514079][ T3499] __sys_sendmsg (net/socket.c:2700) 
[ 567.514400][ T3499] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 567.514704][ T3499] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 567.515056][ T3499] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 567.515376][ T3499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 567.515697][ T3499] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 567.516026][ T3499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  567.516406][ T3499] RIP: 0033:0x7fc94857f1e7
[ 567.516724][ T3499] 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)
[  567.517832][ T3499] RSP: 002b:00007ffe9a05f3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  567.518330][ T3499] RAX: ffffffffffffffda RBX: 00007ffe9a05fb10 RCX: 00007fc94857f1e7
[  567.518805][ T3499] RDX: 0000000000000000 RSI: 00007ffe9a05f450 RDI: 0000000000000005
[  567.519388][ T3499] RBP: 0000000000000004 R08: 00000000000000b8 R09: 0000000000000000
[  567.519887][ T3499] R10: 00007fc9484776f8 R11: 0000000000000246 R12: 00007ffe9a05fb40
[  567.520373][ T3499] R13: 00000000686e741b R14: 0000000000499600 R15: 00007ffe9a05f544
| [  569.137765][ T3515] ------------[ cut here ]------------
| [ 569.138156][ T3515] WARNING: CPU: 0 PID: 3515 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) 
| [  569.138872][ T3515] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  569.140442][ T3515] Tainted: [W]=WARN
[  569.140688][ T3515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 569.141110][ T3515] 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) 
[ 569.141428][ T3515] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  569.142578][ T3515] RSP: 0018:ffffc90001227000 EFLAGS: 00010246
[  569.142998][ T3515] RAX: 0000000000000000 RBX: ffff888005cd9000 RCX: 0000000000000001
[  569.143478][ T3515] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  569.143950][ T3515] RBP: ffffc900012270e8 R08: ffff888005cd9218 R09: 0000000000000000
[  569.144410][ T3515] R10: ffffc90001227118 R11: ffffffffa6f8d1e0 R12: 1ffff92000244e04
[  569.144903][ T3515] R13: 000000000000ffd9 R14: ffffc90001227118 R15: ffff888005cd9218
[  569.145377][ T3515] FS:  00007fa56e1d0800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  569.145947][ T3515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  569.146338][ T3515] CR2: 00007fa56e2d0130 CR3: 0000000004ed0004 CR4: 0000000000772ef0
[  569.146803][ T3515] PKRU: 55555554
[  569.147085][ T3515] Call Trace:
[  569.147317][ T3515]  <TASK>
[ 569.147473][ T3515] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 569.147859][ T3515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 569.148197][ T3515] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 569.148536][ T3515] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 569.148857][ T3515] netif_set_mtu (net/core/dev.c:9652) 
[ 569.149176][ T3515] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 569.149523][ T3515] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 569.149834][ T3515] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 569.150082][ T3515] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 569.150395][ T3515] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 569.150713][ T3515] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 569.151050][ T3515] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 569.151433][ T3515] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 569.151769][ T3515] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 569.152093][ T3515] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 569.152402][ T3515] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 569.152711][ T3515] ? __dev_get_by_name (net/core/dev.c:865) 
[ 569.153033][ T3515] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 569.153340][ T3515] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 569.153677][ T3515] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 569.154017][ T3515] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 569.154370][ T3515] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 569.154696][ T3515] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 569.155055][ T3515] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 569.155408][ T3515] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 569.155712][ T3515] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 569.156033][ T3515] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 569.156346][ T3515] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 569.156662][ T3515] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 569.156982][ T3515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 569.157312][ T3515] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 569.157642][ T3515] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 569.157984][ T3515] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 569.158304][ T3515] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 569.158608][ T3515] ? 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) 
[ 569.158951][ T3515] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 569.159266][ T3515] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 569.159570][ T3515] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 569.159879][ T3515] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 569.160197][ T3515] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 569.160506][ T3515] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 569.160819][ T3515] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 569.161142][ T3515] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 569.161454][ T3515] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 569.161859][ T3515] ___sys_sendmsg (net/socket.c:2670) 
[ 569.162180][ T3515] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 569.162488][ T3515] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 569.162799][ T3515] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 569.163125][ T3515] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 569.163449][ T3515] ? __handle_mm_fault (mm/memory.c:6212) 
[ 569.163755][ T3515] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 569.164070][ T3515] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 569.164404][ T3515] __sys_sendmsg (net/socket.c:2700) 
[ 569.164711][ T3515] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 569.165026][ T3515] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 569.165342][ T3515] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 569.165657][ T3515] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 569.165978][ T3515] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 569.166325][ T3515] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  569.166709][ T3515] RIP: 0033:0x7fa56e39d1e7
[ 569.167050][ T3515] 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)
[  569.168191][ T3515] RSP: 002b:00007ffc41181918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  569.168655][ T3515] RAX: ffffffffffffffda RBX: 00007ffc41182040 RCX: 00007fa56e39d1e7
[  569.169126][ T3515] RDX: 0000000000000000 RSI: 00007ffc41181980 RDI: 0000000000000005
[  569.169588][ T3515] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  569.170071][ T3515] R10: 00007fa56e2956f8 R11: 0000000000000246 R12: 00007ffc41182070
[  569.170533][ T3515] R13: 00000000686e741d R14: 0000000000499600 R15: 00007ffc41181a74
| [  570.703953][ T3531] ------------[ cut here ]------------
| [ 570.704387][ T3531] WARNING: CPU: 1 PID: 3531 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) 
| [  570.705007][ T3531] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  570.706533][ T3531] Tainted: [W]=WARN
[  570.706768][ T3531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 570.707164][ T3531] 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) 
[ 570.707486][ T3531] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  570.708591][ T3531] RSP: 0018:ffffc900012a7000 EFLAGS: 00010246
[  570.708988][ T3531] RAX: 0000000000000000 RBX: ffff8880124fc000 RCX: 0000000000000001
[  570.709444][ T3531] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  570.709905][ T3531] RBP: ffffc900012a70e8 R08: ffff8880124fc218 R09: 0000000000000000
[  570.710388][ T3531] R10: ffffc900012a7118 R11: 190ed16ee67ccf36 R12: 1ffff92000254e04
[  570.710845][ T3531] R13: 00000000000005b6 R14: ffffc900012a7118 R15: ffff8880124fc218
[  570.711319][ T3531] FS:  00007f8676338800(0000) GS:ffff8880c4419000(0000) knlGS:0000000000000000
[  570.711870][ T3531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  570.712265][ T3531] CR2: 0000000000436890 CR3: 000000000268e002 CR4: 0000000000772ef0
[  570.712735][ T3531] PKRU: 55555554
[  570.712980][ T3531] Call Trace:
[  570.713220][ T3531]  <TASK>
[ 570.713377][ T3531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 570.713689][ T3531] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 570.714025][ T3531] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 570.714335][ T3531] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 570.714645][ T3531] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 570.715140][ T3531] netif_set_mtu (net/core/dev.c:9652) 
[ 570.715467][ T3531] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 570.715795][ T3531] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 570.716138][ T3531] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 570.716376][ T3531] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 570.716685][ T3531] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 570.717011][ T3531] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 570.717326][ T3531] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 570.717711][ T3531] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 570.718052][ T3531] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 570.718368][ T3531] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 570.718682][ T3531] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 570.718994][ T3531] ? __dev_get_by_name (net/core/dev.c:865) 
[ 570.719309][ T3531] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 570.719624][ T3531] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 570.719951][ T3531] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 570.720258][ T3531] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 570.720583][ T3531] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 570.720907][ T3531] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 570.721273][ T3531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 570.721617][ T3531] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 570.721952][ T3531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 570.722272][ T3531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 570.722582][ T3531] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 570.722890][ T3531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 570.723212][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 570.723526][ T3531] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 570.723854][ T3531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 570.724169][ T3531] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 570.724487][ T3531] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 570.724791][ T3531] ? 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) 
[ 570.725106][ T3531] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 570.725413][ T3531] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 570.725717][ T3531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 570.726069][ T3531] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 570.726382][ T3531] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 570.726689][ T3531] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 570.727014][ T3531] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 570.727326][ T3531] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 570.727633][ T3531] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 570.728036][ T3531] ___sys_sendmsg (net/socket.c:2670) 
[ 570.728357][ T3531] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 570.728661][ T3531] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 570.728979][ T3531] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 570.729282][ T3531] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 570.729590][ T3531] ? __handle_mm_fault (mm/memory.c:6212) 
[ 570.729904][ T3531] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 570.730238][ T3531] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 570.730567][ T3531] __sys_sendmsg (net/socket.c:2700) 
[ 570.730873][ T3531] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 570.731187][ T3531] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 570.731518][ T3531] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 570.731833][ T3531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 570.732153][ T3531] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 570.732460][ T3531] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  570.732843][ T3531] RIP: 0033:0x7f86765051e7
[ 570.733168][ T3531] 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)
[  570.734294][ T3531] RSP: 002b:00007fff16d6b518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  570.734771][ T3531] RAX: ffffffffffffffda RBX: 00007fff16d6bc40 RCX: 00007f86765051e7
[  570.735239][ T3531] RDX: 0000000000000000 RSI: 00007fff16d6b580 RDI: 0000000000000005
[  570.735702][ T3531] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  570.736166][ T3531] R10: 00007f86763fd6f8 R11: 0000000000000246 R12: 00007fff16d6bc70
[  570.736631][ T3531] R13: 00000000686e741f R14: 0000000000499600 R15: 00007fff16d6b674
| [  572.284525][ T3547] ------------[ cut here ]------------
| [ 572.285129][ T3547] WARNING: CPU: 1 PID: 3547 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) 
| [  572.286242][ T3547] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  572.288947][ T3547] Tainted: [W]=WARN
[  572.289389][ T3547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 572.290068][ T3547] 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) 
[ 572.290635][ T3547] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  572.292671][ T3547] RSP: 0018:ffffc90001337000 EFLAGS: 00010246
[  572.293597][ T3547] RAX: 0000000000000000 RBX: ffff8880140f9000 RCX: 0000000000000001
[  572.294406][ T3547] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  572.295207][ T3547] RBP: ffffc900013370e8 R08: ffff8880140f9218 R09: 0000000000000000
[  572.296075][ T3547] R10: ffffc90001337118 R11: ffffffffa6f8d1e0 R12: 1ffff92000266e04
[  572.296868][ T3547] R13: 000000000000ffd9 R14: ffffc90001337118 R15: ffff8880140f9218
[  572.297667][ T3547] FS:  00007fb7df249800(0000) GS:ffff8880c4419000(0000) knlGS:0000000000000000
[  572.298597][ T3547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  572.299274][ T3547] CR2: 0000000000436890 CR3: 0000000011d56003 CR4: 0000000000772ef0
[  572.300131][ T3547] PKRU: 55555554
[  572.300541][ T3547] Call Trace:
[  572.300956][ T3547]  <TASK>
[ 572.301237][ T3547] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 572.301948][ T3547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 572.302502][ T3547] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 572.303049][ T3547] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 572.303611][ T3547] netif_set_mtu (net/core/dev.c:9652) 
[ 572.304164][ T3547] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 572.304707][ T3547] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 572.305245][ T3547] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 572.305624][ T3547] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 572.306211][ T3547] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 572.306754][ T3547] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 572.307295][ T3547] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 572.308011][ T3547] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 572.308584][ T3547] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 572.309143][ T3547] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 572.309669][ T3547] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 572.310226][ T3547] ? __dev_get_by_name (net/core/dev.c:865) 
[ 572.310761][ T3547] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 572.311311][ T3547] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 572.311870][ T3547] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 572.312224][ T3547] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 572.312621][ T3547] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 572.313161][ T3547] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 572.313671][ T3547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 572.314066][ T3547] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 572.314523][ T3547] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 572.315112][ T3547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 572.315684][ T3547] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 572.316271][ T3547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 572.316832][ T3547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 572.317420][ T3547] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 572.317982][ T3547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 572.318534][ T3547] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 572.319099][ T3547] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 572.319643][ T3547] ? 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) 
[ 572.320163][ T3547] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 572.320519][ T3547] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 572.320857][ T3547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 572.321198][ T3547] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 572.321532][ T3547] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 572.321941][ T3547] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 572.322281][ T3547] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 572.322603][ T3547] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 572.322950][ T3547] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 572.323362][ T3547] ___sys_sendmsg (net/socket.c:2670) 
[ 572.323692][ T3547] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 572.324049][ T3547] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 572.324375][ T3547] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 572.324706][ T3547] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 572.325048][ T3547] ? __handle_mm_fault (mm/memory.c:6212) 
[ 572.325368][ T3547] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 572.325683][ T3547] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 572.326236][ T3547] __sys_sendmsg (net/socket.c:2700) 
[ 572.326779][ T3547] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 572.327360][ T3547] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 572.327881][ T3547] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 572.328431][ T3547] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 572.328987][ T3547] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 572.329501][ T3547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  572.330142][ T3547] RIP: 0033:0x7fb7df4161e7
[ 572.330656][ T3547] 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)
[  572.332636][ T3547] RSP: 002b:00007ffe89e01378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  572.333448][ T3547] RAX: ffffffffffffffda RBX: 00007ffe89e01aa0 RCX: 00007fb7df4161e7
[  572.334252][ T3547] RDX: 0000000000000000 RSI: 00007ffe89e013e0 RDI: 0000000000000005
[  572.335101][ T3547] RBP: 0000000000000004 R08: 00000000000000b8 R09: 0000000000000000
[  572.335911][ T3547] R10: 00007fb7df30e6f8 R11: 0000000000000246 R12: 00007ffe89e01ad0
[  572.336755][ T3547] R13: 00000000686e7420 R14: 0000000000499600 R15: 00007ffe89e014d4
| [  574.110722][ T3564] ------------[ cut here ]------------
| [ 574.111397][ T3564] WARNING: CPU: 3 PID: 3564 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) 
| [  574.112439][ T3564] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  574.115025][ T3564] Tainted: [W]=WARN
[  574.115514][ T3564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 574.116205][ T3564] 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) 
[ 574.116749][ T3564] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  574.118681][ T3564] RSP: 0018:ffffc90001377000 EFLAGS: 00010246
[  574.119354][ T3564] RAX: 0000000000000000 RBX: ffff88800b0c1000 RCX: 0000000000000001
[  574.120154][ T3564] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  574.120944][ T3564] RBP: ffffc900013770e8 R08: ffff88800b0c1218 R09: 0000000000000000
[  574.121727][ T3564] R10: ffffc90001377118 R11: ffffffffa6f8d1e0 R12: 1ffff9200026ee04
[  574.122573][ T3564] R13: 000000000000ffd9 R14: ffffc90001377118 R15: ffff88800b0c1218
[  574.123365][ T3564] FS:  00007f99a149f800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  574.124309][ T3564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  574.124988][ T3564] CR2: 0000000000436890 CR3: 000000000b7f7005 CR4: 0000000000772ef0
[  574.125774][ T3564] PKRU: 55555554
[  574.126193][ T3564] Call Trace:
[  574.126584][ T3564]  <TASK>
[ 574.126844][ T3564] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 574.127517][ T3564] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 574.128086][ T3564] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 574.128607][ T3564] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 574.129158][ T3564] netif_set_mtu (net/core/dev.c:9652) 
[ 574.129708][ T3564] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 574.130281][ T3564] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 574.130805][ T3564] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 574.131221][ T3564] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 574.131753][ T3564] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 574.132302][ T3564] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 574.132880][ T3564] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 574.133540][ T3564] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 574.134115][ T3564] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 574.134641][ T3564] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 574.135196][ T3564] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 574.135715][ T3564] ? __dev_get_by_name (net/core/dev.c:865) 
[ 574.136252][ T3564] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 574.136774][ T3564] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 574.137318][ T3564] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 574.137837][ T3564] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 574.138432][ T3564] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 574.139008][ T3564] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 574.139551][ T3564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 574.140115][ T3564] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 574.140643][ T3564] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 574.141182][ T3564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 574.141739][ T3564] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 574.142309][ T3564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 574.142840][ T3564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 574.143372][ T3564] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 574.143896][ T3564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 574.144425][ T3564] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 574.144983][ T3564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 574.145501][ T3564] ? 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) 
[ 574.146042][ T3564] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 574.146572][ T3564] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 574.147103][ T3564] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 574.147636][ T3564] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 574.148158][ T3564] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 574.148678][ T3564] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 574.149239][ T3564] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 574.149784][ T3564] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 574.150328][ T3564] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 574.151029][ T3564] ___sys_sendmsg (net/socket.c:2670) 
[ 574.151594][ T3564] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 574.152136][ T3564] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 574.152661][ T3564] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 574.153182][ T3564] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 574.153831][ T3564] ? __handle_mm_fault (mm/memory.c:6212) 
[ 574.154388][ T3564] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 574.154908][ T3564] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 574.155508][ T3564] __sys_sendmsg (net/socket.c:2700) 
[ 574.156037][ T3564] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 574.156549][ T3564] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 574.157108][ T3564] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 574.157628][ T3564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 574.158185][ T3564] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 574.158740][ T3564] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  574.159400][ T3564] RIP: 0033:0x7f99a166c1e7
[ 574.159977][ T3564] 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)
[  574.161877][ T3564] RSP: 002b:00007ffdd5a4b6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  574.162690][ T3564] RAX: ffffffffffffffda RBX: 00007ffdd5a4bdf0 RCX: 00007f99a166c1e7
[  574.163483][ T3564] RDX: 0000000000000000 RSI: 00007ffdd5a4b730 RDI: 0000000000000005
[  574.164299][ T3564] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  574.165101][ T3564] R10: 00007f99a15646f8 R11: 0000000000000246 R12: 00007ffdd5a4be20
[  574.165896][ T3564] R13: 00000000686e7422 R14: 0000000000499600 R15: 00007ffdd5a4b824
| [  575.884088][ T3581] ------------[ cut here ]------------
| [ 575.884712][ T3581] WARNING: CPU: 2 PID: 3581 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) 
| [  575.886713][ T3581] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  575.889473][ T3581] Tainted: [W]=WARN
[  575.889942][ T3581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 575.890672][ T3581] 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) 
[ 575.891285][ T3581] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  575.893266][ T3581] RSP: 0018:ffffc90001427000 EFLAGS: 00010246
[  575.893990][ T3581] RAX: 0000000000000000 RBX: ffff88800c6a1000 RCX: 0000000000000001
[  575.894861][ T3581] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  575.895743][ T3581] RBP: ffffc900014270e8 R08: ffff88800c6a1218 R09: 0000000000000000
[  575.896618][ T3581] R10: ffffc90001427118 R11: 9d4d2fb25f81dc2c R12: 1ffff92000284e04
[  575.897514][ T3581] R13: 00000000000005b6 R14: ffffc90001427118 R15: ffff88800c6a1218
[  575.898404][ T3581] FS:  00007fbb33ac2800(0000) GS:ffff8880c4499000(0000) knlGS:0000000000000000
[  575.899424][ T3581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  575.900160][ T3581] CR2: 0000000000436890 CR3: 000000000fc4c006 CR4: 0000000000772ef0
[  575.901052][ T3581] PKRU: 55555554
[  575.901506][ T3581] Call Trace:
[  575.901981][ T3581]  <TASK>
[ 575.902287][ T3581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 575.902877][ T3581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 575.903486][ T3581] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 575.904094][ T3581] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 575.904677][ T3581] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 575.905529][ T3581] netif_set_mtu (net/core/dev.c:9652) 
[ 575.906141][ T3581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 575.906730][ T3581] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 575.907308][ T3581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 575.907753][ T3581] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 575.908364][ T3581] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 575.909003][ T3581] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 575.909597][ T3581] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 575.910341][ T3581] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 575.910973][ T3581] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 575.911572][ T3581] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 575.912186][ T3581] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 575.912756][ T3581] ? __dev_get_by_name (net/core/dev.c:865) 
[ 575.913382][ T3581] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 575.913983][ T3581] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 575.914577][ T3581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 575.915188][ T3581] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 575.915777][ T3581] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 575.916410][ T3581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 575.917055][ T3581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 575.917675][ T3581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 575.918265][ T3581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 575.918845][ T3581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 575.919439][ T3581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 575.920044][ T3581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 575.920620][ T3581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 575.921246][ T3581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 575.921826][ T3581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 575.922403][ T3581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 575.922844][ T3581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 575.923192][ T3581] ? 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) 
[ 575.923599][ T3581] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 575.924209][ T3581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 575.924780][ T3581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 575.925409][ T3581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 575.926016][ T3581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 575.926579][ T3581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 575.926944][ T3581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 575.927292][ T3581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 575.927647][ T3581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 575.928081][ T3581] ___sys_sendmsg (net/socket.c:2670) 
[ 575.928416][ T3581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 575.928761][ T3581] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 575.929125][ T3581] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 575.929465][ T3581] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 575.929815][ T3581] ? __handle_mm_fault (mm/memory.c:6212) 
[ 575.930160][ T3581] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 575.930504][ T3581] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 575.930859][ T3581] __sys_sendmsg (net/socket.c:2700) 
[ 575.931201][ T3581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 575.931602][ T3581] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 575.932239][ T3581] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 575.932814][ T3581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 575.933439][ T3581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 575.933828][ T3581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  575.934254][ T3581] RIP: 0033:0x7fbb33c8f1e7
[ 575.934616][ T3581] 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)
[  575.935790][ T3581] RSP: 002b:00007ffea2eadc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  575.936293][ T3581] RAX: ffffffffffffffda RBX: 00007ffea2eae330 RCX: 00007fbb33c8f1e7
[  575.936797][ T3581] RDX: 0000000000000000 RSI: 00007ffea2eadc70 RDI: 0000000000000005
[  575.937309][ T3581] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  575.937821][ T3581] R10: 00007fbb33b876f8 R11: 0000000000000246 R12: 00007ffea2eae360
[  575.938323][ T3581] R13: 00000000686e7424 R14: 0000000000499600 R15: 00007ffea2eadd64
| [  577.729718][ T3598] ------------[ cut here ]------------
| [ 577.730148][ T3598] WARNING: CPU: 0 PID: 3598 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) 
| [  577.730851][ T3598] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  577.732601][ T3598] Tainted: [W]=WARN
[  577.732873][ T3598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 577.733342][ T3598] 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) 
[ 577.733714][ T3598] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  577.735972][ T3598] RSP: 0018:ffffc900014d7000 EFLAGS: 00010246
[  577.736435][ T3598] RAX: 0000000000000000 RBX: ffff888012684000 RCX: 0000000000000001
[  577.736982][ T3598] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  577.737518][ T3598] RBP: ffffc900014d70e8 R08: ffff888012684218 R09: 0000000000000000
[  577.738053][ T3598] R10: ffffc900014d7118 R11: ffffffffa6f8d1e0 R12: 1ffff9200029ae04
[  577.738583][ T3598] R13: 000000000000ffd9 R14: ffffc900014d7118 R15: ffff888012684218
[  577.739125][ T3598] FS:  00007f8aa7506800(0000) GS:ffff8880c4399000(0000) knlGS:0000000000000000
[  577.739753][ T3598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  577.740207][ T3598] CR2: 0000000000436890 CR3: 00000000026c7001 CR4: 0000000000772ef0
[  577.740739][ T3598] PKRU: 55555554
[  577.741031][ T3598] Call Trace:
[  577.741302][ T3598]  <TASK>
[ 577.741487][ T3598] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 577.741976][ T3598] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 577.742338][ T3598] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 577.742697][ T3598] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 577.743075][ T3598] netif_set_mtu (net/core/dev.c:9652) 
[ 577.743430][ T3598] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 577.743795][ T3598] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 577.744162][ T3598] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 577.744433][ T3598] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 577.744791][ T3598] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 577.745175][ T3598] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 577.745539][ T3598] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 577.745988][ T3598] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 577.746352][ T3598] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 577.746708][ T3598] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 577.747075][ T3598] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 577.747425][ T3598] ? __dev_get_by_name (net/core/dev.c:865) 
[ 577.747782][ T3598] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 577.748148][ T3598] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 577.748508][ T3598] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 577.748865][ T3598] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 577.749253][ T3598] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 577.749626][ T3598] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 577.749997][ T3598] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 577.750366][ T3598] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 577.750718][ T3598] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 577.751084][ T3598] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 577.751440][ T3598] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 577.751820][ T3598] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 577.752198][ T3598] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 577.752564][ T3598] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 577.752948][ T3598] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 577.753313][ T3598] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 577.753681][ T3598] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 577.754046][ T3598] ? 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) 
[ 577.754399][ T3598] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 577.754753][ T3598] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 577.755115][ T3598] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 577.755472][ T3598] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 577.755825][ T3598] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 577.756191][ T3598] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 577.756549][ T3598] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 577.756904][ T3598] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 577.757276][ T3598] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 577.757728][ T3598] ___sys_sendmsg (net/socket.c:2670) 
[ 577.758090][ T3598] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 577.758450][ T3598] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 577.758802][ T3598] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 577.759162][ T3598] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 577.759517][ T3598] ? __handle_mm_fault (mm/memory.c:6212) 
[ 577.759865][ T3598] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 577.760222][ T3598] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 577.760612][ T3598] __sys_sendmsg (net/socket.c:2700) 
[ 577.760990][ T3598] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 577.761340][ T3598] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 577.761714][ T3598] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 577.762079][ T3598] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 577.762435][ T3598] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 577.762790][ T3598] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  577.763237][ T3598] RIP: 0033:0x7f8aa76d31e7
[ 577.763607][ T3598] 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)
[  577.764860][ T3598] RSP: 002b:00007ffd1683e978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  577.765416][ T3598] RAX: ffffffffffffffda RBX: 00007ffd1683f0a0 RCX: 00007f8aa76d31e7
[  577.765963][ T3598] RDX: 0000000000000000 RSI: 00007ffd1683e9e0 RDI: 0000000000000005
[  577.766487][ T3598] RBP: 0000000000000004 R08: 00000000000000b8 R09: 0000000000000000
[  577.767034][ T3598] R10: 00007f8aa75cb6f8 R11: 0000000000000246 R12: 00007ffd1683f0d0
[  577.767558][ T3598] R13: 00000000686e7426 R14: 0000000000499600 R15: 00007ffd1683ead4
| [  579.234451][ T3614] ------------[ cut here ]------------
| [ 579.234880][ T3614] WARNING: CPU: 3 PID: 3614 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) 
| [  579.235522][ T3614] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  579.237047][ T3614] Tainted: [W]=WARN
[  579.237286][ T3614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 579.237684][ T3614] 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) 
[ 579.238015][ T3614] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  579.239144][ T3614] RSP: 0018:ffffc900015a7000 EFLAGS: 00010246
[  579.239535][ T3614] RAX: 0000000000000000 RBX: ffff888009754000 RCX: 0000000000000001
[  579.240004][ T3614] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  579.240467][ T3614] RBP: ffffc900015a70e8 R08: ffff888009754218 R09: 0000000000000000
[  579.240951][ T3614] R10: ffffc900015a7118 R11: ffffffffa6f8d1e0 R12: 1ffff920002b4e04
[  579.241412][ T3614] R13: 000000000000ffd9 R14: ffffc900015a7118 R15: ffff888009754218
[  579.241884][ T3614] FS:  00007f9eba3aa800(0000) GS:ffff8880c4519000(0000) knlGS:0000000000000000
[  579.242435][ T3614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  579.242830][ T3614] CR2: 0000000000436890 CR3: 0000000009222003 CR4: 0000000000772ef0
[  579.243306][ T3614] PKRU: 55555554
[  579.243539][ T3614] Call Trace:
[  579.243771][ T3614]  <TASK>
[ 579.243939][ T3614] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 579.244323][ T3614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 579.244635][ T3614] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 579.244959][ T3614] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 579.245286][ T3614] netif_set_mtu (net/core/dev.c:9652) 
[ 579.245596][ T3614] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 579.245931][ T3614] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 579.246241][ T3614] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 579.246476][ T3614] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 579.246787][ T3614] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 579.247116][ T3614] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 579.247439][ T3614] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 579.247823][ T3614] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 579.248150][ T3614] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 579.248461][ T3614] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 579.248771][ T3614] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 579.249090][ T3614] ? __dev_get_by_name (net/core/dev.c:865) 
[ 579.249402][ T3614] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 579.249711][ T3614] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 579.250034][ T3614] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 579.250339][ T3614] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 579.250651][ T3614] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 579.250998][ T3614] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 579.251314][ T3614] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 579.251642][ T3614] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 579.251956][ T3614] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 579.252281][ T3614] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 579.252589][ T3614] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 579.252904][ T3614] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 579.253227][ T3614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 579.253546][ T3614] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 579.253855][ T3614] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 579.254176][ T3614] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 579.254507][ T3614] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 579.254816][ T3614] ? 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) 
[ 579.255138][ T3614] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 579.255451][ T3614] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 579.255758][ T3614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 579.256085][ T3614] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 579.256397][ T3614] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 579.256713][ T3614] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 579.257039][ T3614] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 579.257359][ T3614] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 579.257665][ T3614] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 579.258076][ T3614] ___sys_sendmsg (net/socket.c:2670) 
[ 579.258388][ T3614] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 579.258694][ T3614] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 579.259021][ T3614] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 579.259330][ T3614] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 579.259643][ T3614] ? __handle_mm_fault (mm/memory.c:6212) 
[ 579.259957][ T3614] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 579.260264][ T3614] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 579.260594][ T3614] __sys_sendmsg (net/socket.c:2700) 
[ 579.260905][ T3614] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 579.261229][ T3614] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 579.261552][ T3614] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 579.261861][ T3614] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 579.262184][ T3614] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 579.262497][ T3614] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  579.262876][ T3614] RIP: 0033:0x7f9eba5771e7
[ 579.263204][ T3614] 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)
[  579.264320][ T3614] RSP: 002b:00007fff74a550a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  579.264785][ T3614] RAX: ffffffffffffffda RBX: 00007fff74a557d0 RCX: 00007f9eba5771e7
[  579.265255][ T3614] RDX: 0000000000000000 RSI: 00007fff74a55110 RDI: 0000000000000005
[  579.265725][ T3614] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  579.266196][ T3614] R10: 00007f9eba46f6f8 R11: 0000000000000246 R12: 00007fff74a55800
[  579.266659][ T3614] R13: 00000000686e7427 R14: 0000000000499600 R15: 00007fff74a55204
| [  580.841451][ T3630] ------------[ cut here ]------------
| [ 580.841865][ T3630] WARNING: CPU: 2 PID: 3630 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) 
| [  580.842548][ T3630] Modules linked in: ip_gre gre vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables unix_diag
| [  580.844155][ T3630] Tainted: [W]=WARN
[  580.844414][ T3630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 580.844827][ T3630] 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) 
[ 580.845184][ T3630] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  580.846350][ T3630] RSP: 0018:ffffc90001677000 EFLAGS: 00010246
[  580.846769][ T3630] RAX: 0000000000000000 RBX: ffff888008c49000 RCX: 0000000000000001
[  580.847274][ T3630] RDX: 0000000000000000 RSI: ffffffffa6510751 RDI: ffffffffa5c58280
[  580.847772][ T3630] RBP: ffffc900016770e8 R08: ffff888008c49218 R09: 0000000000000000
[  580.848276][ T3630] R10: ffffc90001677118 R11: 76838e6d78525d76 R12: 1ffff920002cee04
[  580.848765][ T3630] R13: 00000000000005b6 R14: ffffc90001677118 R15: ffff888008c49218
[  580.849266][ T3630] FS:  00007f5ac26fd800(0000) GS:ffff8880c4499000(0000) knlGS:0000000000000000
[  580.849843][ T3630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  580.850268][ T3630] CR2: 0000000000436890 CR3: 000000000d196003 CR4: 0000000000772ef0
[  580.850766][ T3630] PKRU: 55555554
[  580.851033][ T3630] Call Trace:
[  580.851286][ T3630]  <TASK>
[ 580.851472][ T3630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 580.851825][ T3630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 580.852180][ T3630] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 580.852515][ T3630] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 580.852850][ T3630] ? nft_offload_netdev_event (net/netfilter/nf_tables_offload.c:672) nf_tables 
[ 580.853311][ T3630] netif_set_mtu (net/core/dev.c:9652) 
[ 580.853646][ T3630] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 580.854005][ T3630] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 580.854339][ T3630] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 580.854594][ T3630] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 580.854942][ T3630] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 580.855279][ T3630] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 580.855616][ T3630] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 580.856045][ T3630] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 580.856389][ T3630] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 580.856720][ T3630] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 580.857065][ T3630] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 580.857400][ T3630] ? __dev_get_by_name (net/core/dev.c:865) 
[ 580.857735][ T3630] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 580.858074][ T3630] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 580.858414][ T3630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 580.858745][ T3630] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 580.859093][ T3630] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 580.859435][ T3630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 580.859779][ T3630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 580.860137][ T3630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 580.860472][ T3630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 580.860825][ T3630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 580.861171][ T3630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 580.861516][ T3630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 580.861860][ T3630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 580.862231][ T3630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 580.862571][ T3630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 580.862909][ T3630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 580.863265][ T3630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 580.863603][ T3630] ? 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) 
[ 580.863958][ T3630] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 580.864303][ T3630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 580.864641][ T3630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 580.864994][ T3630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 580.865336][ T3630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 580.865670][ T3630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 580.866025][ T3630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 580.866359][ T3630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 580.866687][ T3630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 580.867122][ T3630] ___sys_sendmsg (net/socket.c:2670) 
[ 580.867461][ T3630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 580.867795][ T3630] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 580.868145][ T3630] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 580.868481][ T3630] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 580.868820][ T3630] ? __handle_mm_fault (mm/memory.c:6212) 
[ 580.869163][ T3630] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 580.869500][ T3630] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 580.869853][ T3630] __sys_sendmsg (net/socket.c:2700) 
[ 580.870196][ T3630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 580.870529][ T3630] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 580.870871][ T3630] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 580.871212][ T3630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 580.871557][ T3630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 580.871902][ T3630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  580.872324][ T3630] RIP: 0033:0x7f5ac28ca1e7
[ 580.872670][ T3630] 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)
[  580.874010][ T3630] RSP: 002b:00007fff54992508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  580.874506][ T3630] RAX: ffffffffffffffda RBX: 00007fff54992c30 RCX: 00007f5ac28ca1e7
[  580.875004][ T3630] RDX: 0000000000000000 RSI: 00007fff54992570 RDI: 0000000000000005
[  580.875494][ T3630] RBP: 0000000000000004 R08: 00000000000000b0 R09: 0000000000000000
[  580.875999][ T3630] R10: 00007f5ac27c26f8 R11: 0000000000000246 R12: 00007fff54992c60


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink