======================================
| [   21.702352][  T338] ip_gre: GRE over IPv4 tunneling driver
| [   21.748873][  T337] ------------[ cut here ]------------
| [ 21.749352][ T337] WARNING: CPU: 0 PID: 337 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) 
| [   21.749987][  T337] Modules linked in: ip_gre gre 8021q dummy vrf veth
[   21.751006][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.751411][ T337] 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) 
[ 21.751731][ T337] 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
[   21.753012][  T337] RSP: 0018:ffffc900004f7000 EFLAGS: 00010246
[   21.753415][  T337] RAX: 0000000000000000 RBX: ffff88800ae64000 RCX: 0000000000000001
[   21.753879][  T337] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   21.754348][  T337] RBP: ffffc900004f70e8 R08: ffff88800ae64218 R09: 0000000000000000
[   21.754815][  T337] R10: ffffc900004f7118 R11: dffffc0000000000 R12: 1ffff9200009ee04
[   21.755283][  T337] R13: 00000000000005c4 R14: ffffc900004f7118 R15: ffff88800ae64218
[   21.755750][  T337] FS:  00007f3431c9e800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   21.756298][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.756691][  T337] CR2: 00007f7a96b22460 CR3: 000000000ae00002 CR4: 0000000000772ef0
[   21.757168][  T337] PKRU: 55555554
[   21.757397][  T337] Call Trace:
[   21.757627][  T337]  <TASK>
[ 21.757788][ T337] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 21.758182][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.758490][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.758811][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 21.759139][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.759469][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.759702][ T337] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 21.760009][ T337] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 21.760331][ T337] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 21.760643][ T337] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 21.761023][ T337] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.761351][ T337] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 21.761657][ T337] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 21.761963][ T337] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.762280][ T337] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.762583][ T337] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.762889][ T337] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.763211][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.763520][ T337] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.763830][ T337] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.764152][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.764464][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.764780][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.765083][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.765397][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.765702][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.766008][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.766332][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.766649][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.766954][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.767266][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.767583][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.767887][ T337] ? 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) 
[ 21.768198][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.768506][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.768815][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.769131][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.769438][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.769743][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.770054][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.770370][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.770671][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.771063][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 21.771370][ T337] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.771675][ T337] ? __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) 
[ 21.772055][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.772641][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.772954][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.773278][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.773588][ T337] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.773894][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.774217][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 21.774743][ T337] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.775132][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.780490][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.780804][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.781118][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.781510][  T337] RIP: 0033:0x7f3431e6b1e7
[ 21.781833][ T337] Code: Unable to access opcode bytes at 0x7f3431e6b1bd.

Code starting with the faulting instruction
===========================================
[   21.782242][  T337] RSP: 002b:00007ffc005a17f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.782727][  T337] RAX: ffffffffffffffda RBX: 00007ffc005a1f20 RCX: 00007f3431e6b1e7
[   21.783198][  T337] RDX: 0000000000000000 RSI: 00007ffc005a1860 RDI: 0000000000000005
[   21.783668][  T337] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   21.784137][  T337] R10: 00007f3431d68ee8 R11: 0000000000000246 R12: 00007ffc005a1f40
[   21.784604][  T337] R13: 00000000686e4b89 R14: 0000000000499600 R15: 00007ffc005a1944
| [   24.912169][  T372] ------------[ cut here ]------------
| [ 24.912617][ T372] WARNING: CPU: 0 PID: 372 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) 
| [   24.913226][  T372] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   24.914279][  T372] Tainted: [W]=WARN
[   24.914524][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.914909][ T372] 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) 
[ 24.915237][ T372] 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
[   24.916350][  T372] RSP: 0018:ffffc90000677000 EFLAGS: 00010246
[   24.916734][  T372] RAX: 0000000000000000 RBX: ffff888008719000 RCX: 0000000000000001
[   24.917200][  T372] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   24.917658][  T372] RBP: ffffc900006770e8 R08: ffff888008719218 R09: 0000000000000000
[   24.918120][  T372] R10: ffffc90000677118 R11: dffffc0000000000 R12: 1ffff920000cee04
[   24.918591][  T372] R13: 00000000000005c4 R14: ffffc90000677118 R15: ffff888008719218
[   24.919052][  T372] FS:  00007f6a36993800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   24.919603][  T372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.920006][  T372] CR2: 00000000004e6e58 CR3: 000000000ef7d006 CR4: 0000000000772ef0
[   24.920473][  T372] PKRU: 55555554
[   24.920701][  T372] Call Trace:
[   24.920926][  T372]  <TASK>
[ 24.921080][ T372] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 24.921617][ T372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.921942][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.922293][ T372] netif_set_mtu (net/core/dev.c:9652) 
[ 24.922616][ T372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.922953][ T372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.923204][ T372] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 24.923529][ T372] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 24.923863][ T372] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 24.924198][ T372] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 24.924597][ T372] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 24.924925][ T372] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 24.925258][ T372] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 24.925579][ T372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 24.925898][ T372] ? __dev_get_by_name (net/core/dev.c:865) 
[ 24.926231][ T372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.926553][ T372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 24.926882][ T372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.927209][ T372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 24.927535][ T372] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 24.927868][ T372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.928202][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.928531][ T372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.928856][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.929189][ T372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.929508][ T372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.929834][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.930183][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.930508][ T372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.930828][ T372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.931167][ T372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.931499][ T372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.931816][ T372] ? 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) 
[ 24.932144][ T372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.932509][ T372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.932834][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.933176][ T372] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.933510][ T372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.933829][ T372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.934169][ T372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.934498][ T372] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.934817][ T372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.935238][ T372] ___sys_sendmsg (net/socket.c:2670) 
[ 24.935562][ T372] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.935888][ T372] ? __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) 
[ 24.936300][ T372] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.936626][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.936953][ T372] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.937294][ T372] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.937616][ T372] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.937940][ T372] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.938277][ T372] __sys_sendmsg (net/socket.c:2700) 
[ 24.938600][ T372] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.939000][ T372] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.939342][ T372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.939666][ T372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.939987][ T372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.940393][  T372] RIP: 0033:0x7f6a36b601e7
[ 24.940726][ T372] 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)
[   24.941914][  T372] RSP: 002b:00007ffcb40bb7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.942421][  T372] RAX: ffffffffffffffda RBX: 00007ffcb40bbf10 RCX: 00007f6a36b601e7
[   24.942880][  T372] RDX: 0000000000000000 RSI: 00007ffcb40bb850 RDI: 0000000000000005
[   24.943351][  T372] RBP: 0000000000000008 R08: 00000000000000b0 R09: 0000000000000078
[   24.943805][  T372] R10: 00007f6a36a5dee8 R11: 0000000000000246 R12: 00007ffcb40bbf30
[   24.944268][  T372] R13: 00000000686e4b8c R14: 0000000000499600 R15: 00007ffcb40bb934
| [   34.443624][  T419] ------------[ cut here ]------------
| [ 34.444068][ T419] WARNING: CPU: 2 PID: 419 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.444691][  T419] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   34.445738][  T419] Tainted: [W]=WARN
[   34.445985][  T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.446366][ T419] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.446666][ T419] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.447735][  T419] RSP: 0018:ffffc90000607140 EFLAGS: 00010246
[   34.448104][  T419] RAX: 0000000000000000 RBX: ffff888008a19000 RCX: 0000000000000001
[   34.448583][  T419] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   34.449011][  T419] RBP: ffffc90000607230 R08: ffff88800cf40800 R09: 0000000000000000
[   34.449450][  T419] R10: ffffc900006075c8 R11: ffffffffab450668 R12: 1ffff920000c0e2c
[   34.450163][  T419] R13: 00000000000007d0 R14: ffffc90000607880 R15: ffff88800a7ad560
[   34.450603][  T419] FS:  00007ff9f71c8800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   34.451296][  T419] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.451814][  T419] CR2: 00000000004e5aa0 CR3: 0000000005907002 CR4: 0000000000772ef0
[   34.452436][  T419] PKRU: 55555554
[   34.452661][  T419] Call Trace:
[   34.452878][  T419]  <TASK>
[ 34.453031][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.453337][ T419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.453656][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.453952][ T419] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.454289][ T419] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.454602][ T419] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.454896][ T419] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.455213][ T419] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.455581][ T419] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.455893][ T419] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.456222][ T419] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.456511][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.456802][ T419] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.457090][ T419] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.457455][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.457742][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.458028][ T419] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.458347][ T419] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.458649][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.458936][ T419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.459233][ T419] ? __create_object (mm/kmemleak.c:771) 
[ 34.459524][ T419] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.459875][ T419] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.460175][ T419] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.460535][ T419] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.460827][ T419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.461118][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.461438][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.461729][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.462017][ T419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.462338][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.462689][ T419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.462994][ T419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.463312][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.463611][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.463929][ T419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.464228][ T419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.464514][ T419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.464813][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.465107][ T419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.465408][ T419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.465704][ T419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.465989][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.466307][ T419] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.466600][ T419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.466887][ T419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.467193][ T419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.467499][ T419] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.467782][ T419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.468156][ T419] ___sys_sendmsg (net/socket.c:2670) 
[ 34.468439][ T419] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.468725][ T419] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.469080][ T419] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.469386][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.469677][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.469974][ T419] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.470286][ T419] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.470574][ T419] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.470869][ T419] __sys_sendmsg (net/socket.c:2700) 
[ 34.471166][ T419] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.471525][ T419] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.471829][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.472116][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.472446][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.472841][  T419] RIP: 0033:0x7ff9f73951e7
[ 34.473178][ T419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.475002][  T419] RSP: 002b:00007ffe3ee31968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.475459][  T419] RAX: ffffffffffffffda RBX: 00007ffe3ee32090 RCX: 00007ff9f73951e7
[   34.475893][  T419] RDX: 0000000000000000 RSI: 00007ffe3ee319d0 RDI: 0000000000000005
[   34.476336][  T419] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.476771][  T419] R10: 00007ff9f7292ee8 R11: 0000000000000246 R12: 0000000000000004
[   34.477209][  T419] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   34.584691][  T420] ------------[ cut here ]------------
| [ 34.585115][ T420] WARNING: CPU: 2 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.585697][  T420] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   34.586718][  T420] Tainted: [W]=WARN
[   34.586940][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.587303][ T420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.587600][ T420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.588603][  T420] RSP: 0018:ffffc900005f7140 EFLAGS: 00010246
[   34.588963][  T420] RAX: 0000000000000000 RBX: ffff888008709000 RCX: 0000000000000001
[   34.589393][  T420] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   34.589822][  T420] RBP: ffffc900005f7230 R08: ffff88802e026800 R09: 0000000000000000
[   34.590269][  T420] R10: ffffc900005f75c8 R11: ffffffffab450668 R12: 1ffff920000bee2c
[   34.590690][  T420] R13: 00000000000007d0 R14: ffffc900005f7880 R15: ffff88800a7adfe0
[   34.591113][  T420] FS:  00007fcb5d7b7800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   34.591624][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.591989][  T420] CR2: 00000000004e5aa8 CR3: 0000000005430004 CR4: 0000000000772ef0
[   34.592486][  T420] PKRU: 55555554
[   34.592711][  T420] Call Trace:
[   34.592943][  T420]  <TASK>
[ 34.593097][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.593412][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.593704][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.594007][ T420] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.594320][ T420] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.594616][ T420] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.594911][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.595219][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.595587][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.595944][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.596473][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.596832][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.597146][ T420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.597442][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.597800][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.598102][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.598415][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.598722][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.599014][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.599322][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.599610][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 34.599902][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.600205][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.600499][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.600861][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.601170][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.601473][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.601765][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.602066][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.602393][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.602685][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.602977][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.603284][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.603580][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.603876][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.604181][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.604477][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.604773][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.605083][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.605391][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.605687][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.605983][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.606296][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.606594][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.606894][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.607196][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.607500][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.607794][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.608086][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.608467][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 34.608758][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.609046][ T420] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.609437][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.609751][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.610068][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.610396][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.610698][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.610991][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.611304][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 34.611600][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.611961][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.612286][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.612587][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.612881][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.613291][  T420] RIP: 0033:0x7fcb5d9841e7
[ 34.613590][ T420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.614608][  T420] RSP: 002b:00007fff9db99c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.615040][  T420] RAX: ffffffffffffffda RBX: 00007fff9db9a370 RCX: 00007fcb5d9841e7
[   34.615478][  T420] RDX: 0000000000000000 RSI: 00007fff9db99cb0 RDI: 0000000000000005
[   34.615904][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.616346][  T420] R10: 00007fcb5d881ee8 R11: 0000000000000246 R12: 0000000000000004
[   34.616768][  T420] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   34.745204][  T421] ------------[ cut here ]------------
| [ 34.745530][ T421] WARNING: CPU: 0 PID: 421 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.746105][  T421] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   34.747121][  T421] Tainted: [W]=WARN
[   34.747357][  T421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.747717][ T421] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.748002][ T421] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.749030][  T421] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   34.749411][  T421] RAX: 0000000000000000 RBX: ffff88800ae64000 RCX: 0000000000000001
[   34.749843][  T421] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   34.750299][  T421] RBP: ffffc900005c7230 R08: ffff88800a652000 R09: 0000000000000000
[   34.750732][  T421] R10: ffffc900005c75c8 R11: ffffffffab450668 R12: 1ffff920000b8e2c
[   34.751567][  T421] R13: 00000000000007d0 R14: ffffc900005c7880 R15: ffff88800a7aea60
[   34.751999][  T421] FS:  00007f30bee82800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   34.752543][  T421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.752903][  T421] CR2: 00000000004e73d0 CR3: 0000000009acc002 CR4: 0000000000772ef0
[   34.753353][  T421] PKRU: 55555554
[   34.753576][  T421] Call Trace:
[   34.753795][  T421]  <TASK>
[ 34.753936][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.754254][ T421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.754554][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.754843][ T421] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.755142][ T421] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.755419][ T421] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.755698][ T421] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.755976][ T421] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.756337][ T421] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.756611][ T421] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.756881][ T421] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.757164][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.757440][ T421] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.757723][ T421] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.758066][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.758367][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.758643][ T421] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.758916][ T421] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.759201][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.759482][ T421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.759765][ T421] ? __create_object (mm/kmemleak.c:771) 
[ 34.760044][ T421] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.760328][ T421] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.760624][ T421] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.760981][ T421] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.761274][ T421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.761552][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.761839][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.762157][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.762448][ T421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.762733][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.763019][ T421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.763311][ T421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.763589][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.763866][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.764156][ T421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.764433][ T421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.764707][ T421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.764997][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.765292][ T421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.765568][ T421] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.765856][ T421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.766151][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.766448][ T421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.766725][ T421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.767018][ T421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.767309][ T421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.767597][ T421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.767868][ T421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.768233][ T421] ___sys_sendmsg (net/socket.c:2670) 
[ 34.768505][ T421] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.768787][ T421] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.769149][ T421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.769427][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.769716][ T421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.769996][ T421] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.770306][ T421] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.770582][ T421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.770877][ T421] __sys_sendmsg (net/socket.c:2700) 
[ 34.771157][ T421] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.771513][ T421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.771801][ T421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.772090][ T421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.772388][ T421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.772728][  T421] RIP: 0033:0x7f30bf04f1e7
[ 34.773016][ T421] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.774011][  T421] RSP: 002b:00007ffce9d13ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.774446][  T421] RAX: ffffffffffffffda RBX: 00007ffce9d143d0 RCX: 00007f30bf04f1e7
[   34.774857][  T421] RDX: 0000000000000000 RSI: 00007ffce9d13d10 RDI: 0000000000000005
[   34.775306][  T421] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.775726][  T421] R10: 00007f30bef4cee8 R11: 0000000000000246 R12: 0000000000000004
[   34.776155][  T421] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   34.881447][  T422] ------------[ cut here ]------------
| [ 34.881794][ T422] WARNING: CPU: 2 PID: 422 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.882397][  T422] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   34.883345][  T422] Tainted: [W]=WARN
[   34.883567][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.883924][ T422] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.884238][ T422] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.885272][  T422] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   34.885633][  T422] RAX: 0000000000000000 RBX: ffff88800a77c000 RCX: 0000000000000001
[   34.886061][  T422] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   34.887357][  T422] RBP: ffffc900005c7230 R08: ffff88800a770800 R09: 0000000000000000
[   34.887790][  T422] R10: ffffc900005c75c8 R11: ffffffffab450668 R12: 1ffff920000b8e2c
[   34.888233][  T422] R13: 00000000000007d0 R14: ffffc900005c7880 R15: ffff88800a7af4e0
[   34.888655][  T422] FS:  00007f4fac2e6800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   34.889165][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.889525][  T422] CR2: 00000000004e5ab0 CR3: 000000000ced3001 CR4: 0000000000772ef0
[   34.889950][  T422] PKRU: 55555554
[   34.890184][  T422] Call Trace:
[   34.890403][  T422]  <TASK>
[ 34.890555][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.890859][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.891158][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.891450][ T422] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 34.891738][ T422] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 34.892031][ T422] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.892356][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 34.892655][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.893020][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.893324][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.893612][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.893903][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.894206][ T422] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.894497][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.894849][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.895159][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.895444][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.895730][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.896020][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.896317][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.896601][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 34.896888][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.897194][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.897490][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.897847][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.898156][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.898452][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.898738][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.899034][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.899336][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.899631][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.899919][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.900222][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.900696][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.901251][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.901643][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.901935][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.902240][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.902560][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.902845][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.903145][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.903436][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.903721][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.904012][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.904320][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.904614][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.904910][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.905211][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.905498][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.905861][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 34.906160][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.906445][ T422] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.906802][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.907091][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.907416][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.907710][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.907998][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.908296][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.908591][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 34.908883][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.909247][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.909547][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.909833][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.910120][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.910484][  T422] RIP: 0033:0x7f4fac4b31e7
[ 34.910781][ T422] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.911788][  T422] RSP: 002b:00007fffa6367fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.912263][  T422] RAX: ffffffffffffffda RBX: 00007fffa63686f0 RCX: 00007f4fac4b31e7
[   34.912692][  T422] RDX: 0000000000000000 RSI: 00007fffa6368030 RDI: 0000000000000005
[   34.913134][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   34.913558][  T422] R10: 00007f4fac3b0ee8 R11: 0000000000000246 R12: 0000000000000004
[   34.913979][  T422] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   35.022453][  T423] ------------[ cut here ]------------
| [ 35.022777][ T423] WARNING: CPU: 0 PID: 423 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.023868][  T423] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.024815][  T423] Tainted: [W]=WARN
[   35.025029][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.025383][ T423] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.025673][ T423] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.026684][  T423] RSP: 0018:ffffc90000af7140 EFLAGS: 00010246
[   35.027034][  T423] RAX: 0000000000000000 RBX: ffff8880087f9000 RCX: 0000000000000001
[   35.027456][  T423] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.027872][  T423] RBP: ffffc90000af7230 R08: ffff88800a598800 R09: 0000000000000000
[   35.028291][  T423] R10: ffffc90000af75c8 R11: ffffffffab450668 R12: 1ffff9200015ee2c
[   35.028728][  T423] R13: 00000000000007d0 R14: ffffc90000af7880 R15: ffff88800c1e6de0
[   35.029173][  T423] FS:  00007f14c5e93800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   35.029663][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.030010][  T423] CR2: 00000000004e55b8 CR3: 000000002e383004 CR4: 0000000000772ef0
[   35.030434][  T423] PKRU: 55555554
[   35.030643][  T423] Call Trace:
[   35.030849][  T423]  <TASK>
[ 35.030989][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.031278][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.031560][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.031840][ T423] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.032116][ T423] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.032425][ T423] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.032706][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.032989][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.033355][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.033636][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.033929][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.034227][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.034506][ T423] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.034782][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.035161][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.035459][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.035733][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.036017][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.036306][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.036581][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.036849][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 35.037135][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.037413][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.037708][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.038058][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.038352][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.038647][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.038921][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.039212][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.039489][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.039775][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.040057][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.040342][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.040623][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.040901][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.041193][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.041469][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.041745][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.042035][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.042333][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.042611][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.042888][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.043170][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.043450][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.043727][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.044009][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.044299][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.044600][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.044873][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.045234][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 35.045508][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.045781][ T423] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.046146][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.046427][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.046703][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.046982][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.047267][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.047553][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.047836][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 35.048109][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.048476][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.048764][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.049049][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.049353][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.049705][  T423] RIP: 0033:0x7f14c60601e7
[ 35.049990][ T423] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.050986][  T423] RSP: 002b:00007ffd2e559cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.051411][  T423] RAX: ffffffffffffffda RBX: 00007ffd2e55a420 RCX: 00007f14c60601e7
[   35.051820][  T423] RDX: 0000000000000000 RSI: 00007ffd2e559d60 RDI: 0000000000000005
[   35.052270][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.052684][  T423] R10: 00007f14c5f5dee8 R11: 0000000000000246 R12: 0000000000000004
[   35.053096][  T423] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   35.171862][  T424] ------------[ cut here ]------------
| [ 35.172227][ T424] WARNING: CPU: 2 PID: 424 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.172820][  T424] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.173787][  T424] Tainted: [W]=WARN
[   35.174005][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.174370][ T424] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.174666][ T424] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.175724][  T424] RSP: 0018:ffffc90000af7140 EFLAGS: 00010246
[   35.176243][  T424] RAX: 0000000000000000 RBX: ffff888008729000 RCX: 0000000000000001
[   35.176683][  T424] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.177114][  T424] RBP: ffffc90000af7230 R08: ffff88800953e800 R09: 0000000000000000
[   35.177735][  T424] R10: ffffc90000af75c8 R11: ffffffffab450668 R12: 1ffff9200015ee2c
[   35.178328][  T424] R13: 00000000000007d0 R14: ffffc90000af7880 R15: ffff88800c1e74e0
[   35.178898][  T424] FS:  00007f95296d1800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   35.179532][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.180032][  T424] CR2: 00000000004e5ac8 CR3: 000000000cd46003 CR4: 0000000000772ef0
[   35.180513][  T424] PKRU: 55555554
[   35.180737][  T424] Call Trace:
[   35.180956][  T424]  <TASK>
[ 35.181107][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.181416][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.181703][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.182004][ T424] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.182310][ T424] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.182602][ T424] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.182890][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.183195][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.183553][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.183846][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.184153][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.184447][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.184739][ T424] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.185027][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.185390][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.185679][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.185969][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.186267][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.186587][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.186878][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.187173][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 35.187464][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.187752][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.188044][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.188436][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.188734][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.189024][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.189322][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.189615][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.189903][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.190196][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.190488][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.190781][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.191069][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.191391][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.191711][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.191997][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.192341][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.192643][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.192938][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.193237][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.193531][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.193816][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.194108][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.194410][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.194698][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.194998][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.195298][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.195585][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.195946][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 35.196253][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.196548][ T424] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.196902][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.197210][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.197501][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.197790][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.198078][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.198370][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.198666][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 35.198948][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.199329][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.199627][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.199916][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.200227][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.200580][  T424] RIP: 0033:0x7f952989e1e7
[ 35.200876][ T424] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.201878][  T424] RSP: 002b:00007ffd6da485e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.202330][  T424] RAX: ffffffffffffffda RBX: 00007ffd6da48d10 RCX: 00007f952989e1e7
[   35.202757][  T424] RDX: 0000000000000000 RSI: 00007ffd6da48650 RDI: 0000000000000005
[   35.203192][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.203619][  T424] R10: 00007f952979bee8 R11: 0000000000000246 R12: 0000000000000004
[   35.204046][  T424] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   35.317871][  T425] ------------[ cut here ]------------
| [ 35.319601][ T425] WARNING: CPU: 0 PID: 425 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.320252][  T425] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.321198][  T425] Tainted: [W]=WARN
[   35.321460][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.321834][ T425] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.322153][ T425] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.323218][  T425] RSP: 0018:ffffc90000b07140 EFLAGS: 00010246
[   35.323592][  T425] RAX: 0000000000000000 RBX: ffff888008ac1000 RCX: 0000000000000001
[   35.324038][  T425] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.324491][  T425] RBP: ffffc90000b07230 R08: ffff888005bea000 R09: 0000000000000000
[   35.324931][  T425] R10: ffffc90000b075c8 R11: ffffffffab450668 R12: 1ffff92000160e2c
[   35.325384][  T425] R13: 00000000000007d0 R14: ffffc90000b07880 R15: ffff88800c1e4760
[   35.325831][  T425] FS:  00007f069e8df800(0000) GS:ffff888089ab7000(0000) knlGS:0000000000000000
[   35.326352][  T425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.326726][  T425] CR2: 00000000004e5ac0 CR3: 000000000c4da001 CR4: 0000000000772ef0
[   35.327182][  T425] PKRU: 55555554
[   35.327407][  T425] Call Trace:
[   35.327629][  T425]  <TASK>
[ 35.327780][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.328083][ T425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.328386][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.328687][ T425] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.328982][ T425] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.329294][ T425] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.329594][ T425] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.329896][ T425] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.330283][ T425] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.330580][ T425] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.330872][ T425] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.331180][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.331480][ T425] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.331774][ T425] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.332152][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.332463][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.332759][ T425] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.333054][ T425] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.333368][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.333665][ T425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.333957][ T425] ? __create_object (mm/kmemleak.c:771) 
[ 35.334262][ T425] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.334567][ T425] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.334865][ T425] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.335238][ T425] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.335538][ T425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.335837][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.336143][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.336445][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.336742][ T425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.337038][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.337384][ T425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.337691][ T425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.337984][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.338291][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.338589][ T425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.338881][ T425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.339188][ T425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.339492][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.339785][ T425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.340084][ T425] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.340393][ T425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.340687][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.340983][ T425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.341302][ T425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.341602][ T425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.341903][ T425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.342214][ T425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.342518][ T425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.342894][ T425] ___sys_sendmsg (net/socket.c:2670) 
[ 35.343197][ T425] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.343497][ T425] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.343863][ T425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.344172][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.344470][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.344773][ T425] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.345069][ T425] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.345385][ T425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.345689][ T425] __sys_sendmsg (net/socket.c:2700) 
[ 35.345986][ T425] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.346360][ T425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.346666][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.346961][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.347266][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.347634][  T425] RIP: 0033:0x7f069eaac1e7
[ 35.347938][ T425] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.348996][  T425] RSP: 002b:00007ffcd012fa78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.349457][  T425] RAX: ffffffffffffffda RBX: 00007ffcd01301a0 RCX: 00007f069eaac1e7
[   35.349899][  T425] RDX: 0000000000000000 RSI: 00007ffcd012fae0 RDI: 0000000000000005
[   35.350349][  T425] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.350788][  T425] R10: 00007f069e9a9ee8 R11: 0000000000000246 R12: 0000000000000004
[   35.351234][  T425] R13: 00000000686e4b96 R14: 0000000000499600 R15: 0000000000000000
| [   35.493692][  T426] ------------[ cut here ]------------
| [ 35.494062][ T426] WARNING: CPU: 2 PID: 426 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.494692][  T426] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.495713][  T426] Tainted: [W]=WARN
[   35.495950][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.496336][ T426] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.496657][ T426] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.497732][  T426] RSP: 0018:ffffc90000af7140 EFLAGS: 00010246
[   35.498130][  T426] RAX: 0000000000000000 RBX: ffff888008719000 RCX: 0000000000000001
[   35.498584][  T426] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.499043][  T426] RBP: ffffc90000af7230 R08: ffff88800af1e800 R09: 0000000000000000
[   35.499501][  T426] R10: ffffc90000af75c8 R11: ffffffffab450668 R12: 1ffff9200015ee2c
[   35.499952][  T426] R13: 00000000000007d0 R14: ffffc90000af7880 R15: ffff88800c1e5c60
[   35.500415][  T426] FS:  00007f59525e3800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   35.500944][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.501334][  T426] CR2: 00000000004e73f8 CR3: 000000002e1e4005 CR4: 0000000000772ef0
[   35.501786][  T426] PKRU: 55555554
[   35.502021][  T426] Call Trace:
[   35.502272][  T426]  <TASK>
[ 35.502441][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.502754][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.503070][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.503389][ T426] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.503698][ T426] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.504006][ T426] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.504326][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.504637][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.505026][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.505352][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.505658][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.505967][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.506288][ T426] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.506593][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.506972][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.507289][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.507602][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.507908][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.508225][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.508534][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.508836][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 35.509158][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.509467][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.509781][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.510170][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.510484][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.510944][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.511504][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.511909][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.512236][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.512556][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.512882][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.513199][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.513507][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.513814][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.514134][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.514442][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.514750][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.515073][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.515387][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.515695][ T426] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.516015][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.516359][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.516675][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.516986][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.517319][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.517633][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.517937][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.518333][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 35.518638][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.518945][ T426] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.519334][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.519652][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.519963][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.520291][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.520606][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.520911][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.521232][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 35.521536][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.521911][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.522245][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.522564][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.522872][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.523256][  T426] RIP: 0033:0x7f59527b01e7
[ 35.523573][ T426] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.524648][  T426] RSP: 002b:00007fffb43fc7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.525108][  T426] RAX: ffffffffffffffda RBX: 00007fffb43fcf10 RCX: 00007f59527b01e7
[   35.525569][  T426] RDX: 0000000000000000 RSI: 00007fffb43fc850 RDI: 0000000000000005
[   35.526021][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.526487][  T426] R10: 00007f59526adee8 R11: 0000000000000246 R12: 0000000000000004
[   35.526936][  T426] R13: 00000000686e4b97 R14: 0000000000499600 R15: 0000000000000000
| [   35.627900][  T427] ------------[ cut here ]------------
| [ 35.628248][ T427] WARNING: CPU: 3 PID: 427 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.628831][  T427] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.629834][  T427] Tainted: [W]=WARN
[   35.630055][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.630430][ T427] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.630737][ T427] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.631801][  T427] RSP: 0018:ffffc90000b07140 EFLAGS: 00010246
[   35.632182][  T427] RAX: 0000000000000000 RBX: ffff88800a7b9000 RCX: 0000000000000001
[   35.632634][  T427] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.633072][  T427] RBP: ffffc90000b07230 R08: ffff8880051e6800 R09: 0000000000000000
[   35.634342][  T427] R10: ffffc90000b075c8 R11: ffffffffab450668 R12: 1ffff92000160e2c
[   35.634790][  T427] R13: 00000000000007d0 R14: ffffc90000b07880 R15: ffff88800c37dfe0
[   35.635235][  T427] FS:  00007fc28ef60800(0000) GS:ffff888089c37000(0000) knlGS:0000000000000000
[   35.635750][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.636117][  T427] CR2: 00000000004e5ab8 CR3: 000000000a6c7006 CR4: 0000000000772ef0
[   35.636575][  T427] PKRU: 55555554
[   35.636797][  T427] Call Trace:
[   35.637017][  T427]  <TASK>
[ 35.637175][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.637478][ T427] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.637769][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.638066][ T427] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.638381][ T427] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.638677][ T427] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.638975][ T427] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.639282][ T427] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.639657][ T427] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.639949][ T427] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.640253][ T427] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.640557][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.640857][ T427] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.641157][ T427] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.641525][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.641823][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.642115][ T427] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.642427][ T427] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.642728][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.643023][ T427] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.643324][ T427] ? __create_object (mm/kmemleak.c:771) 
[ 35.643621][ T427] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.643917][ T427] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.644221][ T427] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.644586][ T427] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.644885][ T427] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.645196][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.645488][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.645786][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.646078][ T427] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.646377][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.646673][ T427] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.646965][ T427] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.647266][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.647568][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.647866][ T427] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.648165][ T427] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.648461][ T427] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.648765][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.649055][ T427] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.649367][ T427] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.649665][ T427] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.649961][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.650271][ T427] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.650569][ T427] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.650862][ T427] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.651172][ T427] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.651469][ T427] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.651767][ T427] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.652154][ T427] ___sys_sendmsg (net/socket.c:2670) 
[ 35.652458][ T427] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.652751][ T427] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.653118][ T427] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.653423][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.653720][ T427] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.654027][ T427] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.654330][ T427] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.654623][ T427] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.654925][ T427] __sys_sendmsg (net/socket.c:2700) 
[ 35.655223][ T427] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.655593][ T427] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.655900][ T427] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.656214][ T427] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.656510][ T427] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.656872][  T427] RIP: 0033:0x7fc28f12d1e7
[ 35.657184][ T427] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.658260][  T427] RSP: 002b:00007ffce6af6448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.658705][  T427] RAX: ffffffffffffffda RBX: 00007ffce6af6b70 RCX: 00007fc28f12d1e7
[   35.659153][  T427] RDX: 0000000000000000 RSI: 00007ffce6af64b0 RDI: 0000000000000005
[   35.659594][  T427] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.660035][  T427] R10: 00007fc28f02aee8 R11: 0000000000000246 R12: 0000000000000004
[   35.660492][  T427] R13: 00000000686e4b97 R14: 0000000000499600 R15: 0000000000000000
| [   35.780138][  T428] ------------[ cut here ]------------
| [ 35.780507][ T428] WARNING: CPU: 2 PID: 428 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.781100][  T428] Modules linked in: ip_gre gre 8021q dummy vrf veth
| [   35.783008][  T428] Tainted: [W]=WARN
[   35.783257][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.783648][ T428] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.783967][ T428] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.785031][  T428] RSP: 0018:ffffc900005b7140 EFLAGS: 00010246
[   35.785602][  T428] RAX: 0000000000000000 RBX: ffff888005464000 RCX: 0000000000000001
[   35.786058][  T428] RDX: 0000000000000000 RSI: ffffffffaa69b941 RDI: ffffffffa9e555e0
[   35.786523][  T428] RBP: ffffc900005b7230 R08: ffff888002ae8800 R09: 0000000000000000
[   35.786979][  T428] R10: ffffc900005b75c8 R11: ffffffffab450668 R12: 1ffff920000b6e2c
[   35.787447][  T428] R13: 00000000000007d0 R14: ffffc900005b7880 R15: ffff88800c37d1e0
[   35.787903][  T428] FS:  00007f195d005800(0000) GS:ffff888089bb7000(0000) knlGS:0000000000000000
[   35.788439][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.788829][  T428] CR2: 00000000004e59c0 CR3: 000000002e382002 CR4: 0000000000772ef0
[   35.789298][  T428] PKRU: 55555554
[   35.789538][  T428] Call Trace:
[   35.789774][  T428]  <TASK>
[ 35.789936][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.790263][ T428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.790573][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.790909][ T428] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 35.791234][ T428] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 35.791542][ T428] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.791863][ T428] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 35.792185][ T428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.792591][ T428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.792900][ T428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.793219][ T428] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.793529][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.793840][ T428] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.794163][ T428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.794547][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.794853][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.795168][ T428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.795473][ T428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.795782][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.796089][ T428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.796432][ T428] ? __create_object (mm/kmemleak.c:771) 
[ 35.796741][ T428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.797049][ T428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.797364][ T428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.797745][ T428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.798056][ T428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.798377][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.798682][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.799012][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.799329][ T428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.799637][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.799944][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.800261][ T428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.800567][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.800876][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.801199][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.801514][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.801831][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.802163][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.802487][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.802795][ T428] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.803105][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.803427][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.803742][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.804049][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.804368][ T428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.804682][ T428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.804997][ T428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.805312][ T428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.805705][ T428] ___sys_sendmsg (net/socket.c:2670) 
[ 35.806018][ T428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.806337][ T428] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.806717][ T428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.807028][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.807348][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.807663][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.807969][ T428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.808291][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.808611][ T428] __sys_sendmsg (net/socket.c:2700) 
[ 35.808916][ T428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.809299][ T428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.809623][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.809931][ T428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.810250][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.810632][  T428] RIP: 0033:0x7f195d1d21e7
[ 35.810953][ T428] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.812023][  T428] RSP: 002b:00007ffd38e287f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.812502][  T428] RAX: ffffffffffffffda RBX: 00007ffd38e28f20 RCX: 00007f195d1d21e7
[   35.812964][  T428] RDX: 0000000000000000 RSI: 00007ffd38e28860 RDI: 0000000000000005
[   35.813431][  T428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   35.813883][  T428] R10: 00007f195d0cfee8 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