======================================
| [   20.986225][  T317] ip_gre: GRE over IPv4 tunneling driver
| [   21.031716][  T316] ------------[ cut here ]------------
| [ 21.032209][ T316] WARNING: CPU: 0 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.033045][  T316] Modules linked in: ip_gre gre 8021q vrf veth
[   21.034129][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.034531][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.034868][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.035988][  T316] RSP: 0018:ffffc90000607000 EFLAGS: 00010246
[   21.036379][  T316] RAX: 0000000000000000 RBX: ffff88800af11000 RCX: 0000000000000001
[   21.036852][  T316] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   21.037358][  T316] RBP: ffffc900006070e8 R08: ffff88800af11218 R09: 0000000000000000
[   21.037832][  T316] R10: ffffc90000607118 R11: ffffffff91b79160 R12: 1ffff920000c0e04
[   21.038292][  T316] R13: 00000000000005c4 R14: ffffc90000607118 R15: ffff88800af11218
[   21.038764][  T316] FS:  00007fdfd9b62800(0000) GS:ffff88809bcb7000(0000) knlGS:0000000000000000
[   21.039305][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.039705][  T316] CR2: 00007fa25a056000 CR3: 000000000ca0d003 CR4: 0000000000772ef0
[   21.059538][  T316] PKRU: 55555554
[   21.059796][  T316] Call Trace:
[   21.060047][  T316]  <TASK>
[ 21.060205][ T316] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.060596][ T316] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 21.060927][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.061246][ T316] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 21.061634][ T316] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 21.061955][ T316] netif_set_mtu (net/core/dev.c:9652) 
[ 21.062273][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.062597][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.062842][ T316] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.063152][ T316] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.063471][ T316] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.064237][ T316] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.064619][ T316] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.064939][ T316] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.065250][ T316] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.065563][ T316] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.065874][ T316] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.066185][ T316] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.066504][ T316] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.066824][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.067168][ T316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.067494][ T316] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.067822][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.068137][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.068456][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.068771][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.069084][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.070087][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.070399][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.070708][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.071152][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.071484][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.071804][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.072133][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.072438][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.072747][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.073070][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.073377][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.073690][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.074230][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.074547][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.074886][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.075200][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.075511][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.075914][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 21.076222][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.076532][ T316] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 21.076857][ T316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.077646][ T316] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 21.077969][ T316] ? __handle_mm_fault (mm/memory.c:6212) 
[ 21.078273][ T316] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 21.078577][ T316] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 21.078909][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 21.079219][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.079521][ T316] ? 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) 
[ 21.079847][ T316] ? 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) 
[ 21.080157][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.080462][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.080777][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.081382][  T316] RIP: 0033:0x7fdfd9d2f1e7
[ 21.081709][ T316] Code: Unable to access opcode bytes at 0x7fdfd9d2f1bd.

Code starting with the faulting instruction
===========================================
[   21.082358][  T316] RSP: 002b:00007ffc9e52f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.082829][  T316] RAX: ffffffffffffffda RBX: 00007ffc9e52f890 RCX: 00007fdfd9d2f1e7
[   21.083288][  T316] RDX: 0000000000000000 RSI: 00007ffc9e52f1d0 RDI: 0000000000000005
[   21.083773][  T316] RBP: 0000000000000006 R08: 00000000000000a8 R09: 0000000000000000
[   21.084230][  T316] R10: 00007fdfd9c276f8 R11: 0000000000000246 R12: 00007ffc9e52f8b0
[   21.084689][  T316] R13: 00000000686e4056 R14: 0000000000499600 R15: 00007ffc9e52f2b4
| [   23.566561][  T343] ------------[ cut here ]------------
| [ 23.567060][ T343] WARNING: CPU: 2 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.567709][  T343] Modules linked in: ip_gre gre 8021q vrf veth
| [   23.568814][  T343] Tainted: [W]=WARN
[   23.569074][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.569477][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.569829][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.570948][  T343] RSP: 0018:ffffc900007f7000 EFLAGS: 00010246
[   23.571368][  T343] RAX: 0000000000000000 RBX: ffff888007619000 RCX: 0000000000000001
[   23.571856][  T343] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   23.572338][  T343] RBP: ffffc900007f70e8 R08: ffff888007619218 R09: 0000000000000000
[   23.572824][  T343] R10: ffffc900007f7118 R11: ffffffff91b79160 R12: 1ffff920000fee04
[   23.573298][  T343] R13: 000000000000ffe7 R14: ffffc900007f7118 R15: ffff888007619218
[   23.573789][  T343] FS:  00007f55a3792800(0000) GS:ffff88809bdb7000(0000) knlGS:0000000000000000
[   23.574347][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.574769][  T343] CR2: 00000000004e73c0 CR3: 000000000c1f1005 CR4: 0000000000772ef0
[   23.575249][  T343] PKRU: 55555554
[   23.575500][  T343] Call Trace:
[   23.575746][  T343]  <TASK>
[ 23.575936][ T343] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 23.576349][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.576678][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.577046][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.577384][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.577737][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.578003][ T343] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 23.578333][ T343] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 23.578677][ T343] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 23.579017][ T343] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 23.579414][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.579742][ T343] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 23.580130][ T343] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 23.580666][ T343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 23.581085][ T343] ? __dev_get_by_name (net/core/dev.c:865) 
[ 23.581419][ T343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.581776][ T343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 23.582108][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.582422][ T343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 23.582776][ T343] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 23.583122][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.583445][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.583803][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.584129][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.584573][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.585128][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.585462][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.585814][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.586146][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.586468][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.586821][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.587167][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.587486][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.587834][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.588160][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.588475][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.588846][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.589177][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.589496][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.589880][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.590211][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.590531][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.590967][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.591280][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.591605][ T343] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.592029][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.592352][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.592677][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.593038][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.593358][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.593678][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.594036][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.594352][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.594770][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.595105][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.595426][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.595777][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.596176][  T343] RIP: 0033:0x7f55a395f1e7
[ 23.596508][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.597685][  T343] RSP: 002b:00007ffdbfcdaa98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.598222][  T343] RAX: ffffffffffffffda RBX: 00007ffdbfcdb1c0 RCX: 00007f55a395f1e7
[   23.598696][  T343] RDX: 0000000000000000 RSI: 00007ffdbfcdab00 RDI: 0000000000000005
[   23.599180][  T343] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   23.599647][  T343] R10: 00007f55a385cee8 R11: 0000000000000246 R12: 00007ffdbfcdb1e0
[   23.600131][  T343] R13: 00000000686e4059 R14: 0000000000499600 R15: 00007ffdbfcdabe4
| [   37.586320][  T391] ------------[ cut here ]------------
| [ 37.588642][ T391] WARNING: CPU: 0 PID: 391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.589252][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.590266][  T391] Tainted: [W]=WARN
[   37.590493][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.590866][ T391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.591158][ T391] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.592164][  T391] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   37.592518][  T391] RAX: 0000000000000000 RBX: ffff888008d61000 RCX: 0000000000000001
[   37.592975][  T391] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   37.593399][  T391] RBP: ffffc90000947230 R08: ffff888009533800 R09: 0000000000000000
[   37.593829][  T391] R10: ffffc900009475c8 R11: ffffffff92450668 R12: 1ffff92000128e2c
[   37.594252][  T391] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff8880051fb860
[   37.594675][  T391] FS:  00007f202dd98800(0000) GS:ffff88809bcb7000(0000) knlGS:0000000000000000
[   37.595166][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.595519][  T391] CR2: 00000000004e5aa0 CR3: 0000000009758006 CR4: 0000000000772ef0
[   37.595948][  T391] PKRU: 55555554
[   37.596160][  T391] Call Trace:
[   37.596378][  T391]  <TASK>
[ 37.596524][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.596819][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.597112][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.597397][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.597672][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.597963][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.598248][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.598532][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.598893][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.599172][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.599488][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.599772][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.600051][ T391] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.600327][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.600893][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.601376][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.601781][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.602253][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.602727][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.603218][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.603692][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 37.604187][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.604628][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.605134][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.605728][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.606264][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.606777][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.607306][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.607825][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.608323][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.608826][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.609322][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.609825][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.610322][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.610826][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.611330][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.611831][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.612326][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.612851][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.613341][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.613867][ T391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.614348][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.614793][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.615283][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.615791][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.616274][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.616783][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.617282][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.617783][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.618414][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 37.618910][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.619394][ T391] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.620013][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.620485][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.620998][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.621492][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.621991][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.622453][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.622967][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 37.623446][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.624054][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.624578][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.625079][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.625618][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.626270][  T391] RIP: 0033:0x7f202df651e7
[ 37.626815][ T391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.628667][  T391] RSP: 002b:00007ffef612e5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.629457][  T391] RAX: ffffffffffffffda RBX: 00007ffef612ed10 RCX: 00007f202df651e7
[   37.630230][  T391] RDX: 0000000000000000 RSI: 00007ffef612e650 RDI: 0000000000000005
[   37.631003][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.631591][  T391] R10: 00007f202de62ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.632197][  T391] R13: 00000000686e4067 R14: 0000000000499600 R15: 0000000000000000
| [   37.742142][  T392] ------------[ cut here ]------------
| [ 37.742647][ T392] WARNING: CPU: 2 PID: 392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.743335][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.744436][  T392] Tainted: [W]=WARN
[   37.744712][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.745168][ T392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.745585][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.747051][  T392] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   37.747583][  T392] RAX: 0000000000000000 RBX: ffff888008fc9000 RCX: 0000000000000001
[   37.748144][  T392] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   37.748808][  T392] RBP: ffffc90000957230 R08: ffff88800bc45000 R09: 0000000000000000
[   37.749330][  T392] R10: ffffc900009575c8 R11: ffffffff92450668 R12: 1ffff9200012ae2c
[   37.749984][  T392] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff888004f551e0
[   37.750413][  T392] FS:  00007f738cb49800(0000) GS:ffff88809bdb7000(0000) knlGS:0000000000000000
[   37.751314][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.751988][  T392] CR2: 00000000004e5aa8 CR3: 0000000005102005 CR4: 0000000000772ef0
[   37.752911][  T392] PKRU: 55555554
[   37.753297][  T392] Call Trace:
[   37.753675][  T392]  <TASK>
[ 37.753954][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.754461][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.754998][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.755521][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.756037][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.756492][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.756848][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.757169][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.757582][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.757950][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.758239][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.758549][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.758867][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.759160][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.759609][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.759930][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.760226][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.760534][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.760838][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.761190][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.761539][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 37.761882][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.762199][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.762574][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.762963][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.763380][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.763765][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.764082][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.764445][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.764799][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.765148][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.765448][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.765921][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.766300][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.766611][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.766978][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.767333][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.767723][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.768066][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.768446][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.768799][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.769154][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.769473][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.769854][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.770146][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.770436][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.770769][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.771074][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.771363][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.771742][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 37.772036][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.772325][ T392] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.772705][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.773013][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.773304][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.773694][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.774053][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.774343][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.774658][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 37.774968][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.775337][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.775651][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.775951][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.776247][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.776624][  T392] RIP: 0033:0x7f738cd161e7
[ 37.776937][ T392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.777977][  T392] RSP: 002b:00007ffe270934e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.778405][  T392] RAX: ffffffffffffffda RBX: 00007ffe27093c10 RCX: 00007f738cd161e7
[   37.778858][  T392] RDX: 0000000000000000 RSI: 00007ffe27093550 RDI: 0000000000000005
[   37.779295][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.779725][  T392] R10: 00007f738cc13ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.780158][  T392] R13: 00000000686e4067 R14: 0000000000499600 R15: 0000000000000000
| [   37.924312][  T393] ------------[ cut here ]------------
| [ 37.924631][ T393] WARNING: CPU: 3 PID: 393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.925199][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.926144][  T393] Tainted: [W]=WARN
[   37.926359][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.926699][ T393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.927967][ T393] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.929010][  T393] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   37.929378][  T393] RAX: 0000000000000000 RBX: ffff88800af11000 RCX: 0000000000000001
[   37.929816][  T393] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   37.930250][  T393] RBP: ffffc90000957230 R08: ffff88800bd5d000 R09: 0000000000000000
[   37.930684][  T393] R10: ffffc900009575c8 R11: ffffffff92450668 R12: 1ffff9200012ae2c
[   37.931128][  T393] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800976c760
[   37.931584][  T393] FS:  00007f9a9febf800(0000) GS:ffff88809be37000(0000) knlGS:0000000000000000
[   37.932095][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.932459][  T393] CR2: 00000000004e73b8 CR3: 000000000527c003 CR4: 0000000000772ef0
[   37.932910][  T393] PKRU: 55555554
[   37.933128][  T393] Call Trace:
[   37.933344][  T393]  <TASK>
[ 37.933486][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.933781][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.934055][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.934348][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.934638][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.934957][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.935240][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.935517][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.935873][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.936147][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.936417][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.936694][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.936981][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.937272][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.937611][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.937923][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.938200][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.938474][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.938778][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.939071][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.939359][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 37.939651][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.939944][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.940222][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.940566][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.940890][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.941179][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.941456][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.941740][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.942029][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.942303][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.942581][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.942881][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.943163][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.943449][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.943731][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.944018][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.944297][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.944580][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.944862][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.945141][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.945421][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.945696][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.945985][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.946268][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.946543][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.946847][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.947150][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.947430][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.947798][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 37.948072][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.948348][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.948720][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.949012][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.949293][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.949582][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.949864][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.950140][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.950424][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 37.950699][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.951055][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.951346][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.951626][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.951914][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.952263][  T393] RIP: 0033:0x7f9aa008c1e7
[ 37.952555][ T393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.953556][  T393] RSP: 002b:00007fff67052058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.953983][  T393] RAX: ffffffffffffffda RBX: 00007fff67052780 RCX: 00007f9aa008c1e7
[   37.954396][  T393] RDX: 0000000000000000 RSI: 00007fff670520c0 RDI: 0000000000000005
[   37.954823][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.955234][  T393] R10: 00007f9a9ff89ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.955656][  T393] R13: 00000000686e4067 R14: 0000000000499600 R15: 0000000000000000
| [   38.079098][  T394] ------------[ cut here ]------------
| [ 38.079459][ T394] WARNING: CPU: 2 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.080175][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.081293][  T394] Tainted: [W]=WARN
[   38.081540][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.083143][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.083478][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.084593][  T394] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   38.085035][  T394] RAX: 0000000000000000 RBX: ffff8880051c1000 RCX: 0000000000000001
[   38.085583][  T394] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   38.086097][  T394] RBP: ffffc90000957230 R08: ffff88800ca43800 R09: 0000000000000000
[   38.086730][  T394] R10: ffffc900009575c8 R11: ffffffff92450668 R12: 1ffff9200012ae2c
[   38.087262][  T394] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800976d1e0
[   38.087844][  T394] FS:  00007f49845c8800(0000) GS:ffff88809bdb7000(0000) knlGS:0000000000000000
[   38.088471][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.089090][  T394] CR2: 00000000004e5ab0 CR3: 000000000ca4a001 CR4: 0000000000772ef0
[   38.089883][  T394] PKRU: 55555554
[   38.090275][  T394] Call Trace:
[   38.090657][  T394]  <TASK>
[ 38.090890][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.091192][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.091488][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.091804][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.092122][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.092420][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.092725][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.093037][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.093403][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.093719][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.094021][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.094321][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.094711][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.095016][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.095370][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.095675][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.095977][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.096269][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.096574][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.096891][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.097192][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 38.097504][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.097856][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.098151][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.098522][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.098837][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.099156][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.099444][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.099817][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.100107][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.100392][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.100823][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.101198][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.101580][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.101986][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.102358][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.102826][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.103206][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.103681][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.104009][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.104356][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.104725][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.105086][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.105465][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.105900][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.106327][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.106844][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.107221][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.107531][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.108008][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 38.108303][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.108609][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.108991][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.109378][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.109812][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.110179][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.110567][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.110917][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.111225][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 38.111526][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.111905][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.112206][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.112520][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.112840][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.113289][  T394] RIP: 0033:0x7f49847951e7
[ 38.113628][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.114981][  T394] RSP: 002b:00007ffc1e104e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.115582][  T394] RAX: ffffffffffffffda RBX: 00007ffc1e105580 RCX: 00007f49847951e7
[   38.116121][  T394] RDX: 0000000000000000 RSI: 00007ffc1e104ec0 RDI: 0000000000000005
[   38.116679][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.117246][  T394] R10: 00007f4984692ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.117741][  T394] R13: 00000000686e4067 R14: 0000000000499600 R15: 0000000000000000
| [   38.255168][  T395] ------------[ cut here ]------------
| [ 38.255495][ T395] WARNING: CPU: 3 PID: 395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.256071][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.257001][  T395] Tainted: [W]=WARN
[   38.257230][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.257572][ T395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.257866][ T395] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.258863][  T395] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   38.259211][  T395] RAX: 0000000000000000 RBX: ffff888008a79000 RCX: 0000000000000001
[   38.259622][  T395] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   38.260042][  T395] RBP: ffffc90000967230 R08: ffff888009893800 R09: 0000000000000000
[   38.260492][  T395] R10: ffffc900009675c8 R11: ffffffff92450668 R12: 1ffff9200012ce2c
[   38.260910][  T395] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800976dc60
[   38.261320][  T395] FS:  00007f62be204800(0000) GS:ffff88809be37000(0000) knlGS:0000000000000000
[   38.261817][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.262172][  T395] CR2: 00000000004e55b8 CR3: 000000000c1f2006 CR4: 0000000000772ef0
[   38.262583][  T395] PKRU: 55555554
[   38.262799][  T395] Call Trace:
[   38.263007][  T395]  <TASK>
[ 38.263149][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.263486][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.263789][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.264094][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.264384][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.264676][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.264983][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.265281][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.265645][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.265950][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.266248][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.266546][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.266853][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.267161][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.267523][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.267826][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.268119][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.268415][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.268713][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.269017][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.269306][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 38.269601][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.269926][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.270251][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.270626][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.270933][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.271232][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.271524][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.271832][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.272130][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.272421][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.272715][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.273028][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.273322][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.273616][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.273953][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.274258][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.274550][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.274862][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.275161][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.275454][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.275746][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.276050][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.276352][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.276649][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.276951][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.277259][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.277557][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.277877][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.278277][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 38.278569][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.278868][ T395] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.279228][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.279530][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.279831][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.280130][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.280420][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.280710][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.281018][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 38.281306][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.281664][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.282011][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.282302][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.282594][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.282966][  T395] RIP: 0033:0x7f62be3d11e7
[ 38.283267][ T395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.284310][  T395] RSP: 002b:00007ffeb7db77c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.284747][  T395] RAX: ffffffffffffffda RBX: 00007ffeb7db7ef0 RCX: 00007f62be3d11e7
[   38.285190][  T395] RDX: 0000000000000000 RSI: 00007ffeb7db7830 RDI: 0000000000000005
[   38.285625][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.286106][  T395] R10: 00007f62be2ceee8 R11: 0000000000000246 R12: 0000000000000004
[   38.286547][  T395] R13: 00000000686e4068 R14: 0000000000499600 R15: 0000000000000000
| [   38.393337][  T396] ------------[ cut here ]------------
| [ 38.393718][ T396] WARNING: CPU: 0 PID: 396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.394641][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.397383][  T396] Tainted: [W]=WARN
[   38.397767][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.398366][ T396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.398873][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.400619][  T396] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   38.401245][  T396] RAX: 0000000000000000 RBX: ffff888008af9000 RCX: 0000000000000001
[   38.401980][  T396] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   38.402702][  T396] RBP: ffffc90000977230 R08: ffff888009482000 R09: 0000000000000000
[   38.403442][  T396] R10: ffffc900009775c8 R11: ffffffff92450668 R12: 1ffff9200012ee2c
[   38.404177][  T396] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800976e6e0
[   38.404910][  T396] FS:  00007f26c6707800(0000) GS:ffff88809bcb7000(0000) knlGS:0000000000000000
[   38.405769][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.406375][  T396] CR2: 00000000004e5ac8 CR3: 0000000009fcc003 CR4: 0000000000772ef0
[   38.407127][  T396] PKRU: 55555554
[   38.407488][  T396] Call Trace:
[   38.407865][  T396]  <TASK>
[ 38.408112][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.408603][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.409098][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.409587][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.410085][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.410577][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.411088][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.411586][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.412117][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.412630][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.413125][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.413628][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.414127][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.414663][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.415269][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.415774][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.416252][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.416730][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.417257][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.417742][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.418264][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 38.418788][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.419273][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.419883][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.420493][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.421030][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.421476][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.421853][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.422378][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.422866][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.423346][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.423850][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.424328][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.424746][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.425216][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.425618][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.426091][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.426574][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.427104][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.427585][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.428087][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.428588][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.429082][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.429576][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.430078][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.430558][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.430976][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.431432][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.431934][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.432560][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 38.433054][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.433534][ T396] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.434151][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.434637][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.435132][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.435621][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.436081][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.436488][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.437005][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 38.437495][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.438108][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.438516][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.438972][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.439448][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.440028][  T396] RIP: 0033:0x7f26c68d41e7
[ 38.440452][ T396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.442184][  T396] RSP: 002b:00007fffe5383bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.442919][  T396] RAX: ffffffffffffffda RBX: 00007fffe5384320 RCX: 00007f26c68d41e7
[   38.443647][  T396] RDX: 0000000000000000 RSI: 00007fffe5383c60 RDI: 0000000000000005
[   38.444403][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.445151][  T396] R10: 00007f26c67d1ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.445890][  T396] R13: 00000000686e4068 R14: 0000000000499600 R15: 0000000000000000
| [   38.558533][  T397] ------------[ cut here ]------------
| [ 38.558938][ T397] WARNING: CPU: 2 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.559535][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.560538][  T397] Tainted: [W]=WARN
[   38.560771][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.561126][ T397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.561423][ T397] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.562435][  T397] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   38.562845][  T397] RAX: 0000000000000000 RBX: ffff888008a11000 RCX: 0000000000000001
[   38.563277][  T397] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   38.563723][  T397] RBP: ffffc90000987230 R08: ffff88800211e800 R09: 0000000000000000
[   38.564178][  T397] R10: ffffc900009875c8 R11: ffffffff92450668 R12: 1ffff92000130e2c
[   38.564602][  T397] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800976f160
[   38.565209][  T397] FS:  00007f83a5d68800(0000) GS:ffff88809bdb7000(0000) knlGS:0000000000000000
[   38.565912][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.566409][  T397] CR2: 00000000004e5ac0 CR3: 000000000e2b9006 CR4: 0000000000772ef0
[   38.566850][  T397] PKRU: 55555554
[   38.567073][  T397] Call Trace:
[   38.567307][  T397]  <TASK>
[ 38.567463][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.567782][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.568072][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.568366][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.568661][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.568965][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.569257][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.569553][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.569941][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.570235][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.570550][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.570865][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.571161][ T397] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.571450][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.571838][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.572130][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.572418][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.572740][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.573044][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.573332][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.573618][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 38.573934][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.574230][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.574516][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.574894][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.575200][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.575494][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.575815][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.576117][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.576402][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.576686][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.576986][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.577289][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.577585][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.577904][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.578201][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.578493][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.578820][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.579127][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.579412][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.579709][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.580102][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.580401][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.580696][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.580998][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.581287][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.581586][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.581913][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.582213][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.582584][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 38.582905][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.583205][ T397] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.583564][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.583890][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.584198][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.584491][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.584794][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.585083][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.585377][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 38.585667][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.586041][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.586351][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.586645][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.586962][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.587337][  T397] RIP: 0033:0x7f83a5f351e7
[ 38.587644][ T397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.588734][  T397] RSP: 002b:00007fffed03da18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.589183][  T397] RAX: ffffffffffffffda RBX: 00007fffed03e140 RCX: 00007f83a5f351e7
[   38.589609][  T397] RDX: 0000000000000000 RSI: 00007fffed03da80 RDI: 0000000000000005
[   38.590051][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.590487][  T397] R10: 00007f83a5e32ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.590934][  T397] R13: 00000000686e4068 R14: 0000000000499600 R15: 0000000000000000
| [   38.717674][  T398] ------------[ cut here ]------------
| [ 38.718833][ T398] WARNING: CPU: 3 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.719428][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.720371][  T398] Tainted: [W]=WARN
[   38.720591][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.720951][ T398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.721243][ T398] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.722237][  T398] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   38.722594][  T398] RAX: 0000000000000000 RBX: ffff888007619000 RCX: 0000000000000001
[   38.723013][  T398] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   38.723427][  T398] RBP: ffffc90000997230 R08: ffff88800c86e800 R09: 0000000000000000
[   38.723848][  T398] R10: ffffc900009975c8 R11: ffffffff92450668 R12: 1ffff92000132e2c
[   38.724277][  T398] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800976fbe0
[   38.724690][  T398] FS:  00007f87777d2800(0000) GS:ffff88809be37000(0000) knlGS:0000000000000000
[   38.725192][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.725554][  T398] CR2: 00000000004e73d0 CR3: 000000000c93e004 CR4: 0000000000772ef0
[   38.725971][  T398] PKRU: 55555554
[   38.726182][  T398] Call Trace:
[   38.726393][  T398]  <TASK>
[ 38.726541][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.726840][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.727132][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.727412][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.727685][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.727979][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.728274][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.728555][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.728908][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.729186][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.729461][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.729737][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.730021][ T398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.730305][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.730678][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.730966][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.731244][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.731517][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.731810][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.732086][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.732822][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 38.733129][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.733428][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.733725][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.734088][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.734370][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.734652][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.734953][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.735243][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.735521][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.735801][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.736079][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.736356][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.736633][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.736921][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.737216][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.737499][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.737783][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.738068][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.738342][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.738619][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.738906][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.739182][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.739460][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.739735][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.740018][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.740300][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.740579][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.740858][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.741211][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 38.741492][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.741775][ T398] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.742115][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.742403][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.742682][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.742969][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.743244][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.743557][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.743849][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 38.744124][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.744465][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.744765][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.745059][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.745342][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.745683][  T398] RIP: 0033:0x7f877799f1e7
[ 38.745977][ T398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.747003][  T398] RSP: 002b:00007ffffdc4ba88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.747469][  T398] RAX: ffffffffffffffda RBX: 00007ffffdc4c1b0 RCX: 00007f877799f1e7
[   38.747912][  T398] RDX: 0000000000000000 RSI: 00007ffffdc4baf0 RDI: 0000000000000005
[   38.748338][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.748771][  T398] R10: 00007f877789cee8 R11: 0000000000000246 R12: 0000000000000004
[   38.749206][  T398] R13: 00000000686e4068 R14: 0000000000499600 R15: 0000000000000000
| [   38.879428][  T399] ------------[ cut here ]------------
| [ 38.880674][ T399] WARNING: CPU: 0 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.881519][  T399] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.883198][  T399] Tainted: [W]=WARN
[   38.883564][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.884176][ T399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.884677][ T399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.886420][  T399] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   38.887054][  T399] RAX: 0000000000000000 RBX: ffff8880051c4000 RCX: 0000000000000001
[   38.887806][  T399] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   38.888535][  T399] RBP: ffffc900009a7230 R08: ffff88800afed000 R09: 0000000000000000
[   38.889268][  T399] R10: ffffc900009a75c8 R11: ffffffff92450668 R12: 1ffff92000134e2c
[   38.889998][  T399] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800be86360
[   38.890721][  T399] FS:  00007fd41a054800(0000) GS:ffff88809bcb7000(0000) knlGS:0000000000000000
[   38.891596][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.892216][  T399] CR2: 00000000004e5ab8 CR3: 0000000008f55004 CR4: 0000000000772ef0
[   38.892949][  T399] PKRU: 55555554
[   38.893317][  T399] Call Trace:
[   38.893676][  T399]  <TASK>
[ 38.893940][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.894430][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.894943][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.895433][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.895927][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.896412][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.896911][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.897412][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.898039][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.898526][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.899032][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.899517][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.900018][ T399] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.900500][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.901113][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.901595][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.902093][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.902572][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.903084][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.903571][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.904064][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 38.904549][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.905044][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.905522][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.906132][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.906625][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.907157][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.907635][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.908144][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.908626][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.909114][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.909536][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.909947][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.910447][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.910986][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.911496][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.912005][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.912509][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.913040][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.913542][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.914056][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.914554][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.915089][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.915594][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.916112][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.916611][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.917160][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.917668][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.918180][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.918810][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 38.919148][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.919590][ T399] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.920169][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.920605][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.921120][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.921639][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.922152][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.922654][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.923196][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 38.923680][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.924302][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.924825][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.925312][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.925810][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.926425][  T399] RIP: 0033:0x7fd41a2211e7
[ 38.926974][ T399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.928629][  T399] RSP: 002b:00007ffe2de5fb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.929356][  T399] RAX: ffffffffffffffda RBX: 00007ffe2de602b0 RCX: 00007fd41a2211e7
[   38.930092][  T399] RDX: 0000000000000000 RSI: 00007ffe2de5fbf0 RDI: 0000000000000005
[   38.930854][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.931574][  T399] R10: 00007fd41a11eee8 R11: 0000000000000246 R12: 0000000000000004
[   38.932309][  T399] R13: 00000000686e4068 R14: 0000000000499600 R15: 0000000000000000
| [   39.041369][  T400] ------------[ cut here ]------------
| [ 39.041768][ T400] WARNING: CPU: 2 PID: 400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   39.042381][  T400] Modules linked in: ip_gre gre 8021q vrf veth
| [   39.043411][  T400] Tainted: [W]=WARN
[   39.043649][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 39.044037][ T400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 39.044358][ T400] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   39.045427][  T400] RSP: 0018:ffffc90000927140 EFLAGS: 00010246
[   39.045822][  T400] RAX: 0000000000000000 RBX: ffff8880093fc000 RCX: 0000000000000001
[   39.046271][  T400] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0
[   39.046724][  T400] RBP: ffffc90000927230 R08: ffff888009902000 R09: 0000000000000000
[   39.048581][  T400] R10: ffffc900009275c8 R11: ffffffff92450668 R12: 1ffff92000124e2c
[   39.049056][  T400] R13: 00000000000007d0 R14: ffffc90000927880 R15: ffff88800be87be0
[   39.049510][  T400] FS:  00007f307f931800(0000) GS:ffff88809bdb7000(0000) knlGS:0000000000000000
[   39.050044][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.050421][  T400] CR2: 00000000004e59c0 CR3: 000000000e239004 CR4: 0000000000772ef0
[   39.050889][  T400] PKRU: 55555554
[   39.051119][  T400] Call Trace:
[   39.051348][  T400]  <TASK>
[ 39.051511][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.051837][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 39.052142][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.052445][ T400] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 39.052734][ T400] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 39.053052][ T400] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.053347][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 39.053640][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 39.054034][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 39.054340][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 39.054627][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.054947][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.055240][ T400] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 39.055529][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 39.055894][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.056183][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.056469][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 39.056764][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 39.057076][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.057389][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 39.057690][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 39.058006][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 39.058308][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 39.058593][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 39.058957][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 39.059248][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 39.059551][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.059845][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.060157][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.060460][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 39.060748][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.061051][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 39.061338][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 39.061627][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.061941][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.062233][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 39.062522][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 39.062821][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 39.063121][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 39.063407][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 39.063695][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 39.064022][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 39.064312][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.064607][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 39.064908][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 39.065198][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 39.065593][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 39.065903][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 39.066195][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 39.066562][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 39.066859][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 39.067161][ T400] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 39.067517][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 39.067818][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.068108][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 39.068410][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 39.068697][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 39.068996][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 39.069289][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 39.069574][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 39.069950][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 39.070252][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 39.070547][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 39.070854][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.071213][  T400] RIP: 0033:0x7f307fafe1e7
[ 39.071517][ T400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   39.072524][  T400] RSP: 002b:00007ffd4d1312e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.072971][  T400] RAX: ffffffffffffffda RBX: 00007ffd4d131a10 RCX: 00007f307fafe1e7
[   39.073395][  T400] RDX: 0000000000000000 RSI: 00007ffd4d131350 RDI: 0000000000000005
[   39.073831][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   39.074254][  T400] R10: 00007f307f9fbee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink