======================================
| [   20.369879][  T319] ip_gre: GRE over IPv4 tunneling driver
| [   20.423860][  T318] ------------[ cut here ]------------
| [ 20.424353][ T318] WARNING: CPU: 2 PID: 318 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) 
| [   20.425551][  T318] Modules linked in: ip_gre gre 8021q vrf veth
[   20.426610][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.427029][ T318] 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) 
[ 20.427374][ T318] 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
[   20.428524][  T318] RSP: 0018:ffffc90000557000 EFLAGS: 00010246
[   20.428968][  T318] RAX: 0000000000000000 RBX: ffff8880093e4000 RCX: 0000000000000001
[   20.429448][  T318] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   20.429942][  T318] RBP: ffffc900005570e8 R08: ffff8880093e4218 R09: 0000000000000000
[   20.430452][  T318] R10: ffffc90000557118 R11: ffffffff89979160 R12: 1ffff920000aae04
[   20.430940][  T318] R13: 00000000000005c0 R14: ffffc90000557118 R15: ffff8880093e4218
[   20.431438][  T318] FS:  00007f973ed38800(0000) GS:ffff8880aadb7000(0000) knlGS:0000000000000000
[   20.432008][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.432413][  T318] CR2: 00007f00a8f3d000 CR3: 000000000bb78001 CR4: 0000000000772ef0
[   20.432956][  T318] PKRU: 55555554
[   20.433206][  T318] Call Trace:
[   20.433453][  T318]  <TASK>
[ 20.433635][ T318] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 20.434039][ T318] ? packet_notifier (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/packet/af_packet.c:4283) 
[ 20.434363][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.434692][ T318] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q 
[ 20.435089][ T318] ? __pfx_packet_notifier (net/packet/af_packet.c:4236) 
[ 20.435427][ T318] netif_set_mtu (net/core/dev.c:9652) 
[ 20.435759][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.436099][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.436344][ T318] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 20.436924][ T318] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 20.437499][ T318] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 20.437834][ T318] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 20.438235][ T318] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.438560][ T318] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 20.438894][ T318] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 20.439213][ T318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.439541][ T318] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.439867][ T318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.440188][ T318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.440518][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.440849][ T318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.441189][ T318] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.441559][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.441894][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.442230][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.442547][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.442887][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.443209][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.443557][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.443895][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.444217][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.444537][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.444887][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.445222][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.445537][ T318] ? 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) 
[ 20.445870][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.446191][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.446511][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.446840][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.447165][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.447486][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.447827][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.448149][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.448471][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.448905][ T318] ___sys_sendmsg (net/socket.c:2670) 
[ 20.449227][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.449570][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.449903][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.450223][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.450547][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.450883][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.451218][ T318] __sys_sendmsg (net/socket.c:2700) 
[ 20.451535][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.451881][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.452204][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.452531][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.452937][  T318] RIP: 0033:0x7f973ef051e7
[ 20.453276][ T318] Code: Unable to access opcode bytes at 0x7f973ef051bd.

Code starting with the faulting instruction
===========================================
[   20.453692][  T318] RSP: 002b:00007ffce02cb9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.454179][  T318] RAX: ffffffffffffffda RBX: 00007ffce02cc120 RCX: 00007f973ef051e7
[   20.454680][  T318] RDX: 0000000000000000 RSI: 00007ffce02cba60 RDI: 0000000000000005
[   20.455155][  T318] RBP: 000000000000000a R08: 00000000000000a8 R09: 0000000000000000
[   20.455641][  T318] R10: 00007f973edfd6f8 R11: 0000000000000246 R12: 00007ffce02cc140
[   20.456111][  T318] R13: 00000000686e22dc R14: 0000000000499600 R15: 00007ffce02cbb44
| [   22.883947][  T344] ------------[ cut here ]------------
| [ 22.884632][ T344] WARNING: CPU: 3 PID: 344 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) 
| [   22.885713][  T344] Modules linked in: ip_gre gre 8021q vrf veth
| [   22.887881][  T344] Tainted: [W]=WARN
[   22.888272][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.888948][ T344] 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) 
[ 22.889474][ T344] 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
[   22.891822][  T344] RSP: 0018:ffffc90000677000 EFLAGS: 00010246
[   22.892514][  T344] RAX: 0000000000000000 RBX: ffff888009171000 RCX: 0000000000000001
[   22.893532][  T344] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   22.894359][  T344] RBP: ffffc900006770e8 R08: ffff888009171218 R09: 0000000000000000
[   22.895234][  T344] R10: ffffc90000677118 R11: ffffffff89979160 R12: 1ffff920000cee04
[   22.896226][  T344] R13: 000000000000ffe3 R14: ffffc90000677118 R15: ffff888009171218
[   22.897075][  T344] FS:  00007f80f19f3800(0000) GS:ffff8880aae37000(0000) knlGS:0000000000000000
[   22.898080][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.898818][  T344] CR2: 00007fb94adf9a00 CR3: 000000000d81a006 CR4: 0000000000772ef0
[   22.899680][  T344] PKRU: 55555554
[   22.900089][  T344] Call Trace:
[   22.900495][  T344]  <TASK>
[ 22.900799][ T344] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 22.901502][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.902080][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.902623][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 22.902939][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.903263][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.903511][ T344] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 22.903827][ T344] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 22.904147][ T344] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 22.904467][ T344] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 22.904869][ T344] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 22.905184][ T344] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 22.905504][ T344] rtnl_newlink_create (net/core/rtnetlink.c:3825) 
[ 22.905822][ T344] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 22.906124][ T344] ? __dev_get_by_name (net/core/dev.c:865) 
[ 22.906559][ T344] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.907120][ T344] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 22.907701][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.908249][ T344] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 22.908828][ T344] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 22.909400][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.909817][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.910137][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.910458][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.910787][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.911092][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.911506][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.911830][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.912141][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.912457][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.912773][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.913100][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.913427][ T344] ? 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) 
[ 22.913746][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.914053][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.914369][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.914690][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.914999][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.915314][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.915640][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.915951][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.916253][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.916957][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 22.917416][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.917732][ T344] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 22.918041][ T344] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 22.918292][ T344] ? __handle_mm_fault (mm/memory.c:6212) 
[ 22.918621][ T344] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 22.918922][ T344] ? mt_find (lib/maple_tree.c:6938) 
[ 22.919170][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 22.919489][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.919799][ T344] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.920114][ T344] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 22.920447][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.920768][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.921078][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.921544][  T344] RIP: 0033:0x7f80f1bc01e7
[ 22.921873][ T344] 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)
[   22.922995][  T344] RSP: 002b:00007fff9fc730a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.923489][  T344] RAX: ffffffffffffffda RBX: 00007fff9fc737d0 RCX: 00007f80f1bc01e7
[   22.923957][  T344] RDX: 0000000000000000 RSI: 00007fff9fc73110 RDI: 0000000000000005
[   22.924426][  T344] RBP: 000000000000000c R08: 00000000000000b0 R09: 0000000000000000
[   22.924897][  T344] R10: 00007f80f1c4eac0 R11: 0000000000000246 R12: 00007fff9fc737f0
[   22.925387][  T344] R13: 00000000686e22de R14: 0000000000499600 R15: 00007fff9fc731f4
| [   36.845012][  T390] ------------[ cut here ]------------
| [ 36.845417][ T390] WARNING: CPU: 3 PID: 390 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.847171][  T390] Modules linked in: ip_gre gre 8021q vrf veth
| [   36.848176][  T390] Tainted: [W]=WARN
[   36.848385][  T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.848743][ T390] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.849029][ T390] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   36.850023][  T390] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   36.850375][  T390] RAX: 0000000000000000 RBX: ffff888005ac1000 RCX: 0000000000000001
[   36.850797][  T390] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   36.851227][  T390] RBP: ffffc90000937230 R08: ffff88800969d000 R09: 0000000000000000
[   36.851858][  T390] R10: ffffc900009375c8 R11: ffffffff8a250668 R12: 1ffff92000126e2c
[   36.852276][  T390] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800ba6dfe0
[   36.852715][  T390] FS:  00007f20b2fe6800(0000) GS:ffff8880aae37000(0000) knlGS:0000000000000000
[   36.853199][  T390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.853552][  T390] CR2: 00000000004e5aa0 CR3: 0000000005dfc003 CR4: 0000000000772ef0
[   36.853978][  T390] PKRU: 55555554
[   36.854187][  T390] Call Trace:
[   36.854397][  T390]  <TASK>
[ 36.854539][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.854831][ T390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.855112][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.855393][ T390] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.855676][ T390] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.855958][ T390] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.856235][ T390] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.856517][ T390] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.856872][ T390] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.857146][ T390] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.857424][ T390] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.857711][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.857989][ T390] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.858265][ T390] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.858611][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.858893][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.859165][ T390] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.859438][ T390] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.859722][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.859995][ T390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.860273][ T390] ? __create_object (mm/kmemleak.c:771) 
[ 36.860551][ T390] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.860835][ T390] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.861111][ T390] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.861464][ T390] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.861786][ T390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.862069][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.862340][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.862628][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.862901][ T390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.863174][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.863451][ T390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.863746][ T390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.864036][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.864314][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.864600][ T390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.864881][ T390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.865155][ T390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.865440][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.865721][ T390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.866003][ T390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.866280][ T390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.866553][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.866841][ T390] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.867118][ T390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.867392][ T390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.867681][ T390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.867965][ T390] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.868237][ T390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.868596][ T390] ___sys_sendmsg (net/socket.c:2670) 
[ 36.868875][ T390] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.869149][ T390] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.869490][ T390] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.869778][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.870063][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.870343][ T390] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.870624][ T390] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.870896][ T390] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.871187][ T390] __sys_sendmsg (net/socket.c:2700) 
[ 36.871467][ T390] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.871819][ T390] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.872112][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.872390][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.872672][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.873010][  T390] RIP: 0033:0x7f20b31b31e7
[ 36.873294][ T390] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.874286][  T390] RSP: 002b:00007fff6ae0ef28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.874710][  T390] RAX: ffffffffffffffda RBX: 00007fff6ae0f650 RCX: 00007f20b31b31e7
[   36.875120][  T390] RDX: 0000000000000000 RSI: 00007fff6ae0ef90 RDI: 0000000000000005
[   36.875530][  T390] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.875952][  T390] R10: 00007f20b30b0ee8 R11: 0000000000000246 R12: 0000000000000004
[   36.876362][  T390] R13: 00000000686e22ec R14: 0000000000499600 R15: 0000000000000000
| [   37.025854][  T391] ------------[ cut here ]------------
| [ 37.026174][ T391] WARNING: CPU: 3 PID: 391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.026753][  T391] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.027691][  T391] Tainted: [W]=WARN
[   37.027900][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.028242][ T391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.028527][ T391] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.029518][  T391] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   37.029880][  T391] RAX: 0000000000000000 RBX: ffff88800b91c000 RCX: 0000000000000001
[   37.030290][  T391] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.030710][  T391] RBP: ffffc90000947230 R08: ffff88800922b800 R09: 0000000000000000
[   37.031130][  T391] R10: ffffc900009475c8 R11: ffffffff8a250668 R12: 1ffff92000128e2c
[   37.031550][  T391] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800b308760
[   37.031971][  T391] FS:  00007f5f26d7a800(0000) GS:ffff8880aae37000(0000) knlGS:0000000000000000
[   37.032448][  T391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.032947][  T391] CR2: 00000000004e5aa8 CR3: 000000000a728004 CR4: 0000000000772ef0
[   37.033361][  T391] PKRU: 55555554
[   37.033765][  T391] Call Trace:
[   37.033974][  T391]  <TASK>
[ 37.034118][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.034403][ T391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.034825][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.035109][ T391] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.035383][ T391] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.035727][ T391] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.036029][ T391] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.036328][ T391] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.036709][ T391] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.037002][ T391] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.037296][ T391] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.037604][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.037907][ T391] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.038200][ T391] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.038578][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.038880][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.039174][ T391] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.039472][ T391] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.039779][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.040073][ T391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.040362][ T391] ? __create_object (mm/kmemleak.c:771) 
[ 37.040665][ T391] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.040964][ T391] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.041268][ T391] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.041652][ T391] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.041948][ T391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.042241][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.042529][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.042837][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.043127][ T391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.043414][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.043715][ T391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.044017][ T391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.044309][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.044611][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.044907][ T391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.045197][ T391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.045487][ T391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.045801][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.046094][ T391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.046386][ T391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.046689][ T391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.046981][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.047276][ T391] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.047581][ T391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.047875][ T391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.048171][ T391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.048470][ T391] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.048771][ T391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.049144][ T391] ___sys_sendmsg (net/socket.c:2670) 
[ 37.049430][ T391] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.049735][ T391] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.050101][ T391] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.050403][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.050710][ T391] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.051007][ T391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.051311][ T391] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.051612][ T391] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.051914][ T391] __sys_sendmsg (net/socket.c:2700) 
[ 37.052205][ T391] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.052580][ T391] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.052919][ T391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.053223][ T391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.053516][ T391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.053891][  T391] RIP: 0033:0x7f5f26f471e7
[ 37.054196][ T391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.055255][  T391] RSP: 002b:00007ffff410dce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.055716][  T391] RAX: ffffffffffffffda RBX: 00007ffff410e410 RCX: 00007f5f26f471e7
[   37.056155][  T391] RDX: 0000000000000000 RSI: 00007ffff410dd50 RDI: 0000000000000005
[   37.056600][  T391] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.057044][  T391] R10: 00007f5f26e44ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.057482][  T391] R13: 00000000686e22ec R14: 0000000000499600 R15: 0000000000000000
| [   37.196614][  T392] ------------[ cut here ]------------
| [ 37.196921][ T392] WARNING: CPU: 1 PID: 392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.197460][  T392] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.198429][  T392] Tainted: [W]=WARN
[   37.198644][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.198985][ T392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.199266][ T392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.200293][  T392] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   37.200778][  T392] RAX: 0000000000000000 RBX: ffff8880093e4000 RCX: 0000000000000001
[   37.201199][  T392] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.201630][  T392] RBP: ffffc90000967230 R08: ffff88800e4ce800 R09: 0000000000000000
[   37.202042][  T392] R10: ffffc900009675c8 R11: ffffffff8a250668 R12: 1ffff9200012ce2c
[   37.202451][  T392] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800b3091e0
[   37.202876][  T392] FS:  00007f7987984800(0000) GS:ffff8880aad37000(0000) knlGS:0000000000000000
[   37.203353][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.203723][  T392] CR2: 00000000004e73b8 CR3: 000000000dbe2004 CR4: 0000000000772ef0
[   37.204136][  T392] PKRU: 55555554
[   37.204341][  T392] Call Trace:
[   37.204549][  T392]  <TASK>
[ 37.204698][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.204981][ T392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.205254][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.205538][ T392] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.205822][ T392] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.206098][ T392] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.206376][ T392] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.206671][ T392] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.207022][ T392] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.207304][ T392] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.207605][ T392] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.207883][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.208164][ T392] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.208438][ T392] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.208784][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.209058][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.209332][ T392] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.209621][ T392] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.209893][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.210164][ T392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.210435][ T392] ? __create_object (mm/kmemleak.c:771) 
[ 37.210729][ T392] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.211004][ T392] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.211291][ T392] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.211659][ T392] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.211945][ T392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.212224][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.212499][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.212786][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.213064][ T392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.213336][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.213620][ T392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.213927][ T392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.214209][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.214487][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.214795][ T392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.215070][ T392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.215347][ T392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.215653][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.215935][ T392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.216210][ T392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.216489][ T392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.216770][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.217051][ T392] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.217330][ T392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.217612][ T392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.217901][ T392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.218182][ T392] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.218452][ T392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.218820][ T392] ___sys_sendmsg (net/socket.c:2670) 
[ 37.219096][ T392] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.219370][ T392] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.219733][ T392] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.220018][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.220298][ T392] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.220590][ T392] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.220872][ T392] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.221146][ T392] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.221440][ T392] __sys_sendmsg (net/socket.c:2700) 
[ 37.221722][ T392] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.222066][ T392] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.222359][ T392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.222644][ T392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.222924][ T392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.223265][  T392] RIP: 0033:0x7f7987b511e7
[ 37.223549][ T392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.224559][  T392] RSP: 002b:00007fff811ecdd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.224984][  T392] RAX: ffffffffffffffda RBX: 00007fff811ed500 RCX: 00007f7987b511e7
[   37.225394][  T392] RDX: 0000000000000000 RSI: 00007fff811ece40 RDI: 0000000000000005
[   37.225813][  T392] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.226231][  T392] R10: 00007f7987a4eee8 R11: 0000000000000246 R12: 0000000000000004
[   37.226653][  T392] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   37.352172][  T393] ------------[ cut here ]------------
| [ 37.352559][ T393] WARNING: CPU: 2 PID: 393 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.353133][  T393] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.354098][  T393] Tainted: [W]=WARN
[   37.354321][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.354684][ T393] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.354981][ T393] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.355986][  T393] RSP: 0018:ffffc90000987140 EFLAGS: 00010246
[   37.356345][  T393] RAX: 0000000000000000 RBX: ffff8880061d1000 RCX: 0000000000000001
[   37.356776][  T393] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.357196][  T393] RBP: ffffc90000987230 R08: ffff888009ac5000 R09: 0000000000000000
[   37.357625][  T393] R10: ffffc900009875c8 R11: ffffffff8a250668 R12: 1ffff92000130e2c
[   37.358053][  T393] R13: 00000000000007d0 R14: ffffc90000987880 R15: ffff88800b309c60
[   37.358475][  T393] FS:  00007f6ff8b34800(0000) GS:ffff8880aadb7000(0000) knlGS:0000000000000000
[   37.358972][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.359333][  T393] CR2: 00000000004e5ab0 CR3: 000000000dbf9002 CR4: 0000000000772ef0
[   37.359772][  T393] PKRU: 55555554
[   37.359991][  T393] Call Trace:
[   37.360208][  T393]  <TASK>
[ 37.360362][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.360665][ T393] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.360954][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.361255][ T393] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.361542][ T393] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.361845][ T393] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.362139][ T393] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.362432][ T393] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.362807][ T393] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.363092][ T393] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.363383][ T393] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.363681][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.363978][ T393] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.364267][ T393] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.364630][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.364921][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.365211][ T393] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.365498][ T393] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.365793][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.366084][ T393] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.366367][ T393] ? __create_object (mm/kmemleak.c:771) 
[ 37.366683][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.366969][ T393] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.367255][ T393] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.367617][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.367913][ T393] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.368202][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.368492][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.368796][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.369083][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.369366][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.369666][ T393] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.369951][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.370237][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.370530][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.370832][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.371120][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.371416][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.371722][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.372005][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.372293][ T393] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.372596][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.372885][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.373173][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.373464][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.373761][ T393] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.374059][ T393] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.374349][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.374650][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.375015][ T393] ___sys_sendmsg (net/socket.c:2670) 
[ 37.375299][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.375592][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.375952][ T393] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.376238][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.376528][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.376830][ T393] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.377120][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.377402][ T393] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.377705][ T393] __sys_sendmsg (net/socket.c:2700) 
[ 37.377988][ T393] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.378342][ T393] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.378648][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.378937][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.379227][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.379588][  T393] RIP: 0033:0x7f6ff8d011e7
[ 37.379890][ T393] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.380884][  T393] RSP: 002b:00007fff03e623b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.381335][  T393] RAX: ffffffffffffffda RBX: 00007fff03e62ae0 RCX: 00007f6ff8d011e7
[   37.381768][  T393] RDX: 0000000000000000 RSI: 00007fff03e62420 RDI: 0000000000000005
[   37.382189][  T393] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.382620][  T393] R10: 00007f6ff8bfeee8 R11: 0000000000000246 R12: 0000000000000004
[   37.383049][  T393] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   37.497012][  T394] ------------[ cut here ]------------
| [ 37.497322][ T394] WARNING: CPU: 0 PID: 394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.497879][  T394] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.498811][  T394] Tainted: [W]=WARN
[   37.499021][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.499370][ T394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.499670][ T394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.500658][  T394] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   37.501004][  T394] RAX: 0000000000000000 RBX: ffff888007869000 RCX: 0000000000000001
[   37.501437][  T394] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.502491][  T394] RBP: ffffc900009a7230 R08: ffff88800b202000 R09: 0000000000000000
[   37.502921][  T394] R10: ffffc900009a75c8 R11: ffffffff8a250668 R12: 1ffff92000134e2c
[   37.503338][  T394] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800b30a6e0
[   37.503759][  T394] FS:  00007f6622347800(0000) GS:ffff8880aacb7000(0000) knlGS:0000000000000000
[   37.504245][  T394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.504599][  T394] CR2: 00000000004e55b8 CR3: 000000000dbf7003 CR4: 0000000000772ef0
[   37.505022][  T394] PKRU: 55555554
[   37.505229][  T394] Call Trace:
[   37.505434][  T394]  <TASK>
[ 37.505582][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.505868][ T394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.506141][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.506418][ T394] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.506700][ T394] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.506978][ T394] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.507256][ T394] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.507535][ T394] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.507894][ T394] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.508167][ T394] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.508438][ T394] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.508723][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.508999][ T394] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.509273][ T394] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.509621][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.509901][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.510172][ T394] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.510443][ T394] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.510733][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.511006][ T394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.511293][ T394] ? __create_object (mm/kmemleak.c:771) 
[ 37.511579][ T394] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.511856][ T394] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.512134][ T394] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.512474][ T394] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.512767][ T394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.513046][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.513318][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.513605][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.513878][ T394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.514151][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.514426][ T394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.514723][ T394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.514999][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.515277][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.515556][ T394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.515840][ T394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.516114][ T394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.516401][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.516684][ T394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.516959][ T394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.517236][ T394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.517509][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.517797][ T394] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.518076][ T394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.518354][ T394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.518643][ T394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.518921][ T394] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.519192][ T394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.519544][ T394] ___sys_sendmsg (net/socket.c:2670) 
[ 37.519827][ T394] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.520098][ T394] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.520446][ T394] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.520731][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.521009][ T394] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.521306][ T394] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.521593][ T394] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.521866][ T394] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.522146][ T394] __sys_sendmsg (net/socket.c:2700) 
[ 37.522421][ T394] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.522770][ T394] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.523059][ T394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.523335][ T394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.523620][ T394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.523959][  T394] RIP: 0033:0x7f66225141e7
[ 37.524243][ T394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.525239][  T394] RSP: 002b:00007ffc8b52e1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.525661][  T394] RAX: ffffffffffffffda RBX: 00007ffc8b52e910 RCX: 00007f66225141e7
[   37.526071][  T394] RDX: 0000000000000000 RSI: 00007ffc8b52e250 RDI: 0000000000000005
[   37.526485][  T394] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.526901][  T394] R10: 00007f6622411ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.527309][  T394] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   37.638547][  T395] ------------[ cut here ]------------
| [ 37.638872][ T395] WARNING: CPU: 1 PID: 395 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.639422][  T395] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.640365][  T395] Tainted: [W]=WARN
[   37.640582][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.640929][ T395] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.641222][ T395] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.642219][  T395] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   37.642573][  T395] RAX: 0000000000000000 RBX: ffff88800c0fc000 RCX: 0000000000000001
[   37.642985][  T395] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.643398][  T395] RBP: ffffc900009b7230 R08: ffff888005156800 R09: 0000000000000000
[   37.643824][  T395] R10: ffffc900009b75c8 R11: ffffffff8a250668 R12: 1ffff92000136e2c
[   37.644234][  T395] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800b30b160
[   37.644784][  T395] FS:  00007fbfcb545800(0000) GS:ffff8880aad37000(0000) knlGS:0000000000000000
[   37.645269][  T395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.645756][  T395] CR2: 00000000004e5ac8 CR3: 000000000e41d001 CR4: 0000000000772ef0
[   37.646171][  T395] PKRU: 55555554
[   37.646376][  T395] Call Trace:
[   37.646746][  T395]  <TASK>
[ 37.646888][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.647167][ T395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.647444][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.647855][ T395] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.648131][ T395] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.648404][ T395] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.648811][ T395] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.649093][ T395] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.649440][ T395] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.649842][ T395] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.650117][ T395] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.650392][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.650870][ T395] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.651147][ T395] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.651701][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.651986][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.652262][ T395] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.652536][ T395] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.652817][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.653091][ T395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.653360][ T395] ? __create_object (mm/kmemleak.c:771) 
[ 37.653645][ T395] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.653920][ T395] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.654192][ T395] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.654535][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.654826][ T395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.655105][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.655379][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.655674][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.655959][ T395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.656230][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.656508][ T395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.656789][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.657065][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.657342][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.657632][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.657918][ T395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.658193][ T395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.658477][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.658758][ T395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.659035][ T395] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.659315][ T395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.659602][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.659886][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.660161][ T395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.660436][ T395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.660742][ T395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.661018][ T395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.661299][ T395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.661663][ T395] ___sys_sendmsg (net/socket.c:2670) 
[ 37.661933][ T395] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.662205][ T395] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.662546][ T395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.662836][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.663112][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.663391][ T395] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.663682][ T395] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.663955][ T395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.664236][ T395] __sys_sendmsg (net/socket.c:2700) 
[ 37.664508][ T395] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.664860][ T395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.665146][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.665421][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.665704][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.666041][  T395] RIP: 0033:0x7fbfcb7121e7
[ 37.666324][ T395] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.667338][  T395] RSP: 002b:00007fff8b4ce5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.667770][  T395] RAX: ffffffffffffffda RBX: 00007fff8b4cecd0 RCX: 00007fbfcb7121e7
[   37.668183][  T395] RDX: 0000000000000000 RSI: 00007fff8b4ce610 RDI: 0000000000000005
[   37.668604][  T395] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.669019][  T395] R10: 00007fbfcb60fee8 R11: 0000000000000246 R12: 0000000000000004
[   37.669431][  T395] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   37.783909][  T396] ------------[ cut here ]------------
| [ 37.784256][ T396] WARNING: CPU: 3 PID: 396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.784856][  T396] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.785863][  T396] Tainted: [W]=WARN
[   37.786084][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.786446][ T396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.786758][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.787820][  T396] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   37.788191][  T396] RAX: 0000000000000000 RBX: ffff88800c0f9000 RCX: 0000000000000001
[   37.788632][  T396] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.789065][  T396] RBP: ffffc900009b7230 R08: ffff88800d910800 R09: 0000000000000000
[   37.789501][  T396] R10: ffffc900009b75c8 R11: ffffffff8a250668 R12: 1ffff92000136e2c
[   37.789948][  T396] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800b30bbe0
[   37.790383][  T396] FS:  00007f5657e4a800(0000) GS:ffff8880aae37000(0000) knlGS:0000000000000000
[   37.791048][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.791431][  T396] CR2: 00000000004e5ac0 CR3: 000000000c1e6005 CR4: 0000000000772ef0
[   37.792047][  T396] PKRU: 55555554
[   37.792269][  T396] Call Trace:
[   37.792488][  T396]  <TASK>
[ 37.792758][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.793059][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.793352][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.793657][ T396] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.793947][ T396] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.794256][ T396] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.794586][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.794884][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.795250][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.795540][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.795839][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.796137][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.796432][ T396] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.796733][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.797096][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.797389][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.797687][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.797978][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.798270][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.798583][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.798872][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 37.799167][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.799457][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.799763][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.800122][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.800421][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.800731][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.801024][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.801331][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.801637][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.801926][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.802219][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.802509][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.802820][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.803118][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.803412][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.803714][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.804004][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.804303][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.804615][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.804909][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.805207][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.805499][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.805809][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.806115][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.806409][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.806719][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.807018][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.807309][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.807696][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 37.807985][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.808274][ T396] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.808650][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.808946][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.809236][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.809533][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.809834][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.810125][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.810423][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 37.810724][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.811086][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.811399][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.811700][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.811996][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.812357][  T396] RIP: 0033:0x7f56580171e7
[ 37.812672][ T396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.813714][  T396] RSP: 002b:00007fff73a65cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.814159][  T396] RAX: ffffffffffffffda RBX: 00007fff73a663f0 RCX: 00007f56580171e7
[   37.814608][  T396] RDX: 0000000000000000 RSI: 00007fff73a65d30 RDI: 0000000000000005
[   37.815056][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.815488][  T396] R10: 00007f5657f14ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.815939][  T396] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   37.942370][  T397] ------------[ cut here ]------------
| [ 37.942794][ T397] WARNING: CPU: 0 PID: 397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.943347][  T397] Modules linked in: ip_gre gre 8021q vrf veth
| [   37.944292][  T397] Tainted: [W]=WARN
[   37.944500][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.944853][ T397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.945136][ T397] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.946126][  T397] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   37.946479][  T397] RAX: 0000000000000000 RBX: ffff888009171000 RCX: 0000000000000001
[   37.946898][  T397] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   37.947313][  T397] RBP: ffffc900009b7230 R08: ffff88800513b800 R09: 0000000000000000
[   37.947744][  T397] R10: ffffc900009b75c8 R11: ffffffff8a250668 R12: 1ffff92000136e2c
[   37.948154][  T397] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800ba6d1e0
[   37.948575][  T397] FS:  00007f67a47e6800(0000) GS:ffff8880aacb7000(0000) knlGS:0000000000000000
[   37.949056][  T397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.949403][  T397] CR2: 00000000004e73d0 CR3: 000000000db12003 CR4: 0000000000772ef0
[   37.949826][  T397] PKRU: 55555554
[   37.950030][  T397] Call Trace:
[   37.950235][  T397]  <TASK>
[ 37.950375][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.950671][ T397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.950952][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.951240][ T397] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.951514][ T397] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.951804][ T397] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.952083][ T397] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.952363][ T397] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.952718][ T397] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.953005][ T397] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.953277][ T397] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.953553][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.953839][ T397] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.954117][ T397] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.954456][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.954742][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.955022][ T397] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.955295][ T397] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.955591][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.955868][ T397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.956136][ T397] ? __create_object (mm/kmemleak.c:771) 
[ 37.956411][ T397] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.956694][ T397] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.956967][ T397] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.957311][ T397] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.957602][ T397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.957883][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.958156][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.958434][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.958717][ T397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.958988][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.959269][ T397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.959541][ T397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.959834][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.960113][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.960389][ T397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.960676][ T397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.960949][ T397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.961243][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.961523][ T397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.961824][ T397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.962102][ T397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.962375][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.962666][ T397] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.962944][ T397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.963219][ T397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.963504][ T397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.963804][ T397] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.964085][ T397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.964436][ T397] ___sys_sendmsg (net/socket.c:2670) 
[ 37.964718][ T397] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.964993][ T397] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.965333][ T397] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.965627][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.965904][ T397] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.966182][ T397] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.966458][ T397] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.966740][ T397] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.967022][ T397] __sys_sendmsg (net/socket.c:2700) 
[ 37.967291][ T397] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.967652][ T397] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.967939][ T397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.968215][ T397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.968491][ T397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.968838][  T397] RIP: 0033:0x7f67a49b31e7
[ 37.969121][ T397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.970108][  T397] RSP: 002b:00007ffddab78158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.970523][  T397] RAX: ffffffffffffffda RBX: 00007ffddab78880 RCX: 00007f67a49b31e7
[   37.970940][  T397] RDX: 0000000000000000 RSI: 00007ffddab781c0 RDI: 0000000000000005
[   37.971365][  T397] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.971816][  T397] R10: 00007f67a48b0ee8 R11: 0000000000000246 R12: 0000000000000004
[   37.972247][  T397] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   38.074158][  T398] ------------[ cut here ]------------
| [ 38.074579][ T398] WARNING: CPU: 3 PID: 398 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.075133][  T398] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.076068][  T398] Tainted: [W]=WARN
[   38.076279][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.076631][ T398] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.076916][ T398] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.077914][  T398] RSP: 0018:ffffc900009b7140 EFLAGS: 00010246
[   38.078262][  T398] RAX: 0000000000000000 RBX: ffff8880061d4000 RCX: 0000000000000001
[   38.078683][  T398] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   38.079099][  T398] RBP: ffffc900009b7230 R08: ffff8880054cb800 R09: 0000000000000000
[   38.079511][  T398] R10: ffffc900009b75c8 R11: ffffffff8a250668 R12: 1ffff92000136e2c
[   38.079937][  T398] R13: 00000000000007d0 R14: ffffc900009b7880 R15: ffff88800ba6c3e0
[   38.080344][  T398] FS:  00007fb55a0fb800(0000) GS:ffff8880aae37000(0000) knlGS:0000000000000000
[   38.080835][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.081196][  T398] CR2: 00000000004e5ab8 CR3: 000000000dbee001 CR4: 0000000000772ef0
[   38.081623][  T398] PKRU: 55555554
[   38.081834][  T398] Call Trace:
[   38.082041][  T398]  <TASK>
[ 38.082183][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.082465][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.082748][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.083030][ T398] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.083306][ T398] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.083596][ T398] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.083877][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.084158][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.084509][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.084801][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.085077][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.085356][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.085647][ T398] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.085925][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.086274][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.086552][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.086837][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.087118][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.087394][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.087680][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.087952][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 38.088229][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.088504][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.088789][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.089136][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.089420][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.089709][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.089984][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.090266][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.090541][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.090824][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.091104][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.091393][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.091681][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.091962][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.092242][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.092517][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.092808][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.093097][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.093380][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.093667][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.093946][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.094221][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.094502][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.094790][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.095066][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.095355][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.095651][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.095927][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.096281][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 38.096597][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.096873][ T398] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.097218][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.097505][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.097793][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.098083][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.098357][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.098641][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.098923][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 38.099196][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.099534][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.099837][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.100116][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.100394][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.100743][  T398] RIP: 0033:0x7fb55a2c81e7
[ 38.101028][ T398] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.102040][  T398] RSP: 002b:00007ffca69a1ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.102457][  T398] RAX: ffffffffffffffda RBX: 00007ffca69a2200 RCX: 00007fb55a2c81e7
[   38.102897][  T398] RDX: 0000000000000000 RSI: 00007ffca69a1b40 RDI: 0000000000000005
[   38.103316][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.103747][  T398] R10: 00007fb55a1c5ee8 R11: 0000000000000246 R12: 0000000000000004
[   38.104161][  T398] R13: 00000000686e22ed R14: 0000000000499600 R15: 0000000000000000
| [   38.213642][  T399] ------------[ cut here ]------------
| [ 38.213996][ T399] WARNING: CPU: 2 PID: 399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.214560][  T399] Modules linked in: ip_gre gre 8021q vrf veth
| [   38.215906][  T399] Tainted: [W]=WARN
[   38.216130][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.216491][ T399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.216802][ T399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.217829][  T399] RSP: 0018:ffffc900009c7140 EFLAGS: 00010246
[   38.218196][  T399] RAX: 0000000000000000 RBX: ffff888008b74000 RCX: 0000000000000001
[   38.218634][  T399] RDX: 0000000000000000 RSI: ffffffff8949b941 RDI: ffffffff88c555e0
[   38.219062][  T399] RBP: ffffc900009c7230 R08: ffff888004db8800 R09: 0000000000000000
[   38.219501][  T399] R10: ffffc900009c75c8 R11: ffffffff8a250668 R12: 1ffff92000138e2c
[   38.219941][  T399] R13: 00000000000007d0 R14: ffffc900009c7880 R15: ffff88800ba6d560
[   38.220369][  T399] FS:  00007f8e5134b800(0000) GS:ffff8880aadb7000(0000) knlGS:0000000000000000
[   38.220877][  T399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.221263][  T399] CR2: 00000000004e59c0 CR3: 000000000e40a005 CR4: 0000000000772ef0
[   38.221707][  T399] PKRU: 55555554
[   38.221932][  T399] Call Trace:
[   38.222153][  T399]  <TASK>
[ 38.222309][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.222617][ T399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.222907][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.223201][ T399] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 38.223501][ T399] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 38.223807][ T399] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.224101][ T399] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 38.224402][ T399] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.224782][ T399] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.225072][ T399] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.225371][ T399] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.225677][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.225968][ T399] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.226259][ T399] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.226624][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.226917][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.227204][ T399] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.227506][ T399] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.227810][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.228101][ T399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.228387][ T399] ? __create_object (mm/kmemleak.c:771) 
[ 38.228691][ T399] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.228991][ T399] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.229282][ T399] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.229647][ T399] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.229955][ T399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.230246][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.230533][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.230838][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.231129][ T399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.231427][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.231732][ T399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.232019][ T399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.232319][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.232622][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.232918][ T399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.233206][ T399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.233499][ T399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.233810][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.234098][ T399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.234398][ T399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.234703][ T399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.234991][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.235284][ T399] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.235588][ T399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.235880][ T399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.236175][ T399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.236492][ T399] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.236795][ T399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.237163][ T399] ___sys_sendmsg (net/socket.c:2670) 
[ 38.237447][ T399] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.237756][ T399] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.238112][ T399] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.238405][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.238717][ T399] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.239012][ T399] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.239301][ T399] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.239600][ T399] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.239898][ T399] __sys_sendmsg (net/socket.c:2700) 
[ 38.240185][ T399] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.240540][ T399] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.240866][ T399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.241155][ T399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.241456][ T399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.241832][  T399] RIP: 0033:0x7f8e515181e7
[ 38.242132][ T399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.243155][  T399] RSP: 002b:00007fff6449f268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.243597][  T399] RAX: ffffffffffffffda RBX: 00007fff6449f990 RCX: 00007f8e515181e7
[   38.244026][  T399] RDX: 0000000000000000 RSI: 00007fff6449f2d0 RDI: 0000000000000005
[   38.244455][  T399] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   38.244902][  T399] R10: 00007f8e51415ee8 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