======================================
| [   20.894020][  T311] br0: port 1(vx0) entered forwarding state
| [   20.896793][  T311] ------------[ cut here ]------------
| [ 20.897106][ T311] WARNING: CPU: 3 PID: 311 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) 
| [   20.897749][  T311] Modules linked in: vxlan
[   20.898668][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.899048][ T311] 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) 
[ 20.899376][ T311] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   20.900540][  T311] RSP: 0018:ffffc90000e47080 EFLAGS: 00010246
[   20.900962][  T311] RAX: 0000000000000000 RBX: ffff888009baa000 RCX: 0000000000000001
[   20.901453][  T311] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   20.901939][  T311] RBP: ffffc90000e47168 R08: 0000000000000000 R09: 0000000000000000
[   20.902425][  T311] R10: ffffc90000e47198 R11: ffffffff95f8d1e0 R12: 1ffff920001c8e14
[   20.902995][  T311] R13: 00000000000005dc R14: ffffc90000e47198 R15: ffff888009baaf48
[   20.903497][  T311] FS:  00007f57c76b9800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   20.904060][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.904467][  T311] CR2: 00007fe391ccd000 CR3: 000000000f14d004 CR4: 0000000000772ef0
[   20.904960][  T311] PKRU: 55555554
[   20.905201][  T311] Call Trace:
[   20.905451][  T311]  <TASK>
[ 20.905618][ T311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.905946][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.906300][ T311] netif_set_mtu (net/core/dev.c:9652) 
[ 20.906620][ T311] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.906955][ T311] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.907204][ T311] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 20.907541][ T311] br_add_if (net/bridge/br_if.c:697) 
[ 20.907793][ T311] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.908109][ T311] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 20.908433][ T311] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 20.908754][ T311] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 20.909069][ T311] ? __dev_get_by_name (net/core/dev.c:865) 
[ 20.909402][ T311] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.909718][ T311] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 20.910037][ T311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.910359][ T311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.910683][ T311] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 20.911020][ T311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.911352][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.911682][ T311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.912006][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.912334][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.912654][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.912975][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.913306][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.913630][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.913950][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.914278][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.914613][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.914931][ T311] ? 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) 
[ 20.915260][ T311] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.915587][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.915907][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.916230][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.916561][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.916886][ T311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.917225][ T311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.917560][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.917881][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.918299][ T311] ___sys_sendmsg (net/socket.c:2670) 
[ 20.918624][ T311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.918944][ T311] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 20.919283][ T311] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 20.919601][ T311] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 20.919938][ T311] ? __handle_mm_fault (mm/memory.c:6212) 
[ 20.920262][ T311] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 20.920581][ T311] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 20.920933][ T311] __sys_sendmsg (net/socket.c:2700) 
[ 20.921267][ T311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.921585][ T311] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 20.921924][ T311] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 20.922255][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.922585][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.922907][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.923314][  T311] RIP: 0033:0x7f57c78861e7
[ 20.923661][ T311] Code: Unable to access opcode bytes at 0x7f57c78861bd.

Code starting with the faulting instruction
===========================================
[   20.924074][  T311] RSP: 002b:00007ffda497f498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.924580][  T311] RAX: ffffffffffffffda RBX: 00007ffda497fbd0 RCX: 00007f57c78861e7
[   20.925066][  T311] RDX: 0000000000000000 RSI: 00007ffda497f500 RDI: 0000000000000005
[   20.925558][  T311] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[   20.926054][  T311] R10: 00007f57c7914ac0 R11: 0000000000000246 R12: 00007ffda497fc08
[   20.926545][  T311] R13: 00000000686e099c R14: 0000000000499600 R15: 00007ffda497f5f0
| [   25.024824][  T342] ------------[ cut here ]------------
| [ 25.025159][ T342] WARNING: CPU: 0 PID: 342 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) 
| [   25.025801][  T342] Modules linked in: vxlan
| [   25.026792][  T342] Tainted: [W]=WARN
[   25.027038][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.027453][ T342] 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) 
[ 25.027788][ T342] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   25.028960][  T342] RSP: 0018:ffffc90000d77080 EFLAGS: 00010246
[   25.029386][  T342] RAX: 0000000000000000 RBX: ffff8880056a2000 RCX: 0000000000000001
[   25.029873][  T342] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   25.030373][  T342] RBP: ffffc90000d77168 R08: 0000000000000000 R09: 0000000000000000
[   25.030947][  T342] R10: ffffc90000d77198 R11: ffffffff95f8d1e0 R12: 1ffff920001aee14
[   25.031426][  T342] R13: 00000000000005dc R14: ffffc90000d77198 R15: ffff8880056a2f48
[   25.031891][  T342] FS:  00007f395ff75800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[   25.032440][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.032837][  T342] CR2: 000000000043d940 CR3: 0000000011bf1001 CR4: 0000000000772ef0
[   25.033315][  T342] PKRU: 55555554
[   25.033546][  T342] Call Trace:
[   25.033777][  T342]  <TASK>
[ 25.033935][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.034254][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.034571][ T342] netif_set_mtu (net/core/dev.c:9652) 
[ 25.034880][ T342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.035208][ T342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.035449][ T342] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 25.035763][ T342] br_add_if (net/bridge/br_if.c:697) 
[ 25.036009][ T342] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.036330][ T342] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 25.036637][ T342] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 25.036952][ T342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 25.037265][ T342] ? __dev_get_by_name (net/core/dev.c:865) 
[ 25.037572][ T342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.037891][ T342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 25.038201][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.038518][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.038827][ T342] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 25.039147][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.039464][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.039777][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.040077][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.040408][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.040717][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.041035][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.041359][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.041675][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.041975][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.042297][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.042614][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.042912][ T342] ? 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) 
[ 25.043214][ T342] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.043548][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.043853][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.044165][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.044494][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.044803][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.045113][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.045426][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.045725][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.046111][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 25.046422][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.046725][ T342] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 25.047035][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 25.047344][ T342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 25.047661][ T342] ? __handle_mm_fault (mm/memory.c:6212) 
[ 25.047985][ T342] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 25.048295][ T342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 25.048617][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 25.048920][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.049264][ T342] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 25.049579][ T342] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 25.049888][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.050192][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.050534][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.050932][  T342] RIP: 0033:0x7f39601421e7
[ 25.051254][ T342] 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)
[   25.052368][  T342] RSP: 002b:00007ffd67e410a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.052826][  T342] RAX: ffffffffffffffda RBX: 00007ffd67e417e0 RCX: 00007f39601421e7
[   25.053285][  T342] RDX: 0000000000000000 RSI: 00007ffd67e41110 RDI: 0000000000000005
[   25.053763][  T342] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[   25.054218][  T342] R10: 00007f39601d0ac0 R11: 0000000000000246 R12: 00007ffd67e41818
[   25.054706][  T342] R13: 00000000686e09a0 R14: 0000000000499600 R15: 00007ffd67e41200
| [   31.494148][  T400] ------------[ cut here ]------------
| [ 31.494499][ T400] WARNING: CPU: 3 PID: 400 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.495124][  T400] Modules linked in: vxlan
| [   31.496683][  T400] Tainted: [W]=WARN
[   31.496922][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.497325][ T400] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.497654][ T400] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   31.498802][  T400] RSP: 0018:ffffc90000957080 EFLAGS: 00010246
[   31.499209][  T400] RAX: 0000000000000000 RBX: ffff8880027f2000 RCX: 0000000000000001
[   31.499687][  T400] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   31.500160][  T400] RBP: ffffc90000957168 R08: 0000000000000000 R09: 0000000000000000
[   31.500637][  T400] R10: ffffc90000957198 R11: ffffffff95f8d1e0 R12: 1ffff9200012ae14
[   31.501118][  T400] R13: 00000000000005dc R14: ffffc90000957198 R15: ffff8880027f2f48
[   31.501597][  T400] FS:  00007f95a5c1c800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   31.502151][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.502570][  T400] CR2: 00007f95a5e07ba0 CR3: 000000000536d006 CR4: 0000000000772ef0
[   31.503055][  T400] PKRU: 55555554
[   31.503298][  T400] Call Trace:
[   31.503535][  T400]  <TASK>
[ 31.503697][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.504014][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.504406][ T400] netif_set_mtu (net/core/dev.c:9652) 
[ 31.504734][ T400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.505065][ T400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.505316][ T400] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 31.505637][ T400] br_add_if (net/bridge/br_if.c:697) 
[ 31.505887][ T400] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.506204][ T400] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 31.506545][ T400] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 31.506870][ T400] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 31.507201][ T400] ? __dev_get_by_name (net/core/dev.c:865) 
[ 31.507532][ T400] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 31.507848][ T400] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 31.508167][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.508487][ T400] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 31.508807][ T400] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 31.509135][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.509464][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.509792][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.510102][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.510438][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.510756][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.511080][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.511408][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.511733][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.512047][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.512375][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.512703][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.513019][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.513345][ T400] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.513665][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.513982][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.514324][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.514651][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.514967][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.515298][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.515614][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.515927][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.516342][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 31.516657][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.516977][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.517308][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.517651][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.517977][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.518329][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.518662][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 31.518991][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.519354][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.519673][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.519992][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.520395][  T400] RIP: 0033:0x7f95a5de91e7
[ 31.520720][ T400] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.521879][  T400] RSP: 002b:00007ffe903827c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.522380][  T400] RAX: ffffffffffffffda RBX: 00007ffe90382f00 RCX: 00007f95a5de91e7
[   31.522876][  T400] RDX: 0000000000000000 RSI: 00007ffe90382830 RDI: 0000000000000005
[   31.523359][  T400] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[   31.523829][  T400] R10: 00007f95a5e77ac0 R11: 0000000000000246 R12: 00007ffe90382f38
[   31.524311][  T400] R13: 00000000686e09a7 R14: 0000000000499600 R15: 00007ffe90382920
| [   35.919017][  T430] ------------[ cut here ]------------
| [ 35.919334][ T430] WARNING: CPU: 0 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.919937][  T430] Modules linked in: vxlan
| [   35.920917][  T430] Tainted: [W]=WARN
[   35.921146][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.921542][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.921852][ T430] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.922971][  T430] RSP: 0018:ffffc90000a47080 EFLAGS: 00010246
[   35.923374][  T430] RAX: 0000000000000000 RBX: ffff888011e02000 RCX: 0000000000000001
[   35.923829][  T430] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   35.924289][  T430] RBP: ffffc90000a47168 R08: 0000000000000000 R09: 0000000000000000
[   35.924741][  T430] R10: ffffc90000a47198 R11: ffffffff95f8d1e0 R12: 1ffff92000148e14
[   35.925195][  T430] R13: 00000000000005dc R14: ffffc90000a47198 R15: ffff888011e02f48
[   35.925656][  T430] FS:  00007fae63d7c800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[   35.926188][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.926579][  T430] CR2: 00007fae63f67ba0 CR3: 000000000b073004 CR4: 0000000000772ef0
[   35.927033][  T430] PKRU: 55555554
[   35.927272][  T430] Call Trace:
[   35.927500][  T430]  <TASK>
[ 35.927659][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.927963][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.928290][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 35.928595][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.928915][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.929146][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 35.929463][ T430] br_add_if (net/bridge/br_if.c:697) 
[ 35.929705][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.930005][ T430] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 35.930320][ T430] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 35.930630][ T430] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 35.930958][ T430] ? __dev_get_by_name (net/core/dev.c:865) 
[ 35.931269][ T430] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.931572][ T430] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 35.931958][ T430] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 35.932272][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.932581][ T430] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 35.932894][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.933207][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.933531][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.933835][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.934143][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.934453][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.934758][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.935065][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.935383][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.935687][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.935991][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.936314][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.936618][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.936921][ T430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.937225][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.937537][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.937846][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.938154][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.938465][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.938781][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.939085][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.939396][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.939788][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 35.940090][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.940405][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.940712][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.941029][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.941347][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.941658][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.941966][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 35.942275][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.942593][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.942899][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.943208][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.943594][  T430] RIP: 0033:0x7fae63f491e7
[ 35.943906][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.945009][  T430] RSP: 002b:00007ffd824b2cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.945484][  T430] RAX: ffffffffffffffda RBX: 00007ffd824b33f0 RCX: 00007fae63f491e7
[   35.945940][  T430] RDX: 0000000000000000 RSI: 00007ffd824b2d20 RDI: 0000000000000005
[   35.946402][  T430] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[   35.946856][  T430] R10: 00007fae63fd7ac0 R11: 0000000000000246 R12: 00007ffd824b3428
[   35.947327][  T430] R13: 00000000686e09ab R14: 0000000000499600 R15: 00007ffd824b2e10
| [   56.019969][  T603] ------------[ cut here ]------------
| [ 56.020290][ T603] WARNING: CPU: 3 PID: 603 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) 
| [   56.020899][  T603] Modules linked in: vxlan
| [   56.022092][  T603] Tainted: [W]=WARN
[   56.022341][  T603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.022725][ T603] 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) 
[ 56.023041][ T603] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   56.024148][  T603] RSP: 0018:ffffc90001157080 EFLAGS: 00010246
[   56.024552][  T603] RAX: 0000000000000000 RBX: ffff88800f07a000 RCX: 0000000000000001
[   56.025007][  T603] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   56.025469][  T603] RBP: ffffc90001157168 R08: 0000000000000000 R09: 0000000000000000
[   56.025928][  T603] R10: ffffc90001157198 R11: ffffffff95f8d1e0 R12: 1ffff9200022ae14
[   56.026409][  T603] R13: 00000000000005dc R14: ffffc90001157198 R15: ffff88800f07af48
[   56.026862][  T603] FS:  00007f52a5646800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   56.027399][  T603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.027781][  T603] CR2: 000000000043d940 CR3: 0000000002bab002 CR4: 0000000000772ef0
[   56.028250][  T603] PKRU: 55555554
[   56.028485][  T603] Call Trace:
[   56.028713][  T603]  <TASK>
[ 56.028869][ T603] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.029174][ T603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.029498][ T603] netif_set_mtu (net/core/dev.c:9652) 
[ 56.029800][ T603] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.030121][ T603] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.030361][ T603] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 56.030669][ T603] br_add_if (net/bridge/br_if.c:697) 
[ 56.030923][ T603] do_set_master (net/core/rtnetlink.c:2948) 
[ 56.031227][ T603] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 56.031544][ T603] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 56.031853][ T603] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 56.032154][ T603] ? __dev_get_by_name (net/core/dev.c:865) 
[ 56.032467][ T603] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.032773][ T603] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 56.033085][ T603] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.033398][ T603] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 56.033704][ T603] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 56.034017][ T603] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.034334][ T603] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.034652][ T603] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.034952][ T603] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.035268][ T603] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.035580][ T603] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.035884][ T603] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.036188][ T603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.036506][ T603] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.036811][ T603] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.037114][ T603] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.037439][ T603] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.037751][ T603] ? 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) 
[ 56.038057][ T603] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 56.038374][ T603] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.038677][ T603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.038987][ T603] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.039301][ T603] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.039604][ T603] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.039923][ T603] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.040230][ T603] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.040590][ T603] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.040991][ T603] ___sys_sendmsg (net/socket.c:2670) 
[ 56.041320][ T603] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.041626][ T603] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 56.041935][ T603] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 56.042258][ T603] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 56.042567][ T603] ? __handle_mm_fault (mm/memory.c:6212) 
[ 56.042869][ T603] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 56.043170][ T603] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 56.043508][ T603] __sys_sendmsg (net/socket.c:2700) 
[ 56.043814][ T603] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.044126][ T603] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 56.044447][ T603] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 56.044758][ T603] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.045068][ T603] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.045394][ T603] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.045771][  T603] RIP: 0033:0x7f52a58131e7
[ 56.046088][ T603] 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)
[   56.047185][  T603] RSP: 002b:00007fff44bb9f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.047652][  T603] RAX: ffffffffffffffda RBX: 00007fff44bba690 RCX: 00007f52a58131e7
[   56.048105][  T603] RDX: 0000000000000000 RSI: 00007fff44bb9fc0 RDI: 0000000000000005
[   56.048575][  T603] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[   56.049028][  T603] R10: 00007f52a58a1ac0 R11: 0000000000000246 R12: 00007fff44bba6c8
[   56.049494][  T603] R13: 00000000686e09bf R14: 0000000000499600 R15: 00007fff44bba0b0
| [   60.388220][  T633] ------------[ cut here ]------------
| [ 60.388574][ T633] WARNING: CPU: 0 PID: 633 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) 
| [   60.389205][  T633] Modules linked in: vxlan
| [   60.390190][  T633] Tainted: [W]=WARN
[   60.390447][  T633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.390848][ T633] 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) 
[ 60.391191][ T633] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   60.392380][  T633] RSP: 0018:ffffc900012b7080 EFLAGS: 00010246
[   60.392788][  T633] RAX: 0000000000000000 RBX: ffff8880027f2000 RCX: 0000000000000001
[   60.393494][  T633] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   60.393979][  T633] RBP: ffffc900012b7168 R08: 0000000000000000 R09: 0000000000000000
[   60.394595][  T633] R10: ffffc900012b7198 R11: ffffffff95f8d1e0 R12: 1ffff92000256e14
[   60.395076][  T633] R13: 00000000000005dc R14: ffffc900012b7198 R15: ffff8880027f2f48
[   60.395674][  T633] FS:  00007f2612b89800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[   60.396209][  T633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.396613][  T633] CR2: 000000000043d940 CR3: 000000000a263004 CR4: 0000000000772ef0
[   60.397076][  T633] PKRU: 55555554
[   60.397319][  T633] Call Trace:
[   60.397556][  T633]  <TASK>
[ 60.397714][ T633] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.398023][ T633] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.398352][ T633] netif_set_mtu (net/core/dev.c:9652) 
[ 60.398658][ T633] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.398983][ T633] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.399216][ T633] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 60.399536][ T633] br_add_if (net/bridge/br_if.c:697) 
[ 60.399790][ T633] do_set_master (net/core/rtnetlink.c:2948) 
[ 60.400092][ T633] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 60.400419][ T633] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 60.400724][ T633] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 60.401036][ T633] ? __dev_get_by_name (net/core/dev.c:865) 
[ 60.401352][ T633] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 60.401657][ T633] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 60.401964][ T633] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.402284][ T633] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 60.402592][ T633] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 60.402909][ T633] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.403218][ T633] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.403553][ T633] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.403858][ T633] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.404173][ T633] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.404512][ T633] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.404821][ T633] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.405131][ T633] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.405460][ T633] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.405771][ T633] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.406080][ T633] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.406408][ T633] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.406721][ T633] ? 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) 
[ 60.407028][ T633] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 60.407349][ T633] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.407652][ T633] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.407967][ T633] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.408303][ T633] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.408609][ T633] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.408921][ T633] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.409252][ T633] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.409558][ T633] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.409948][ T633] ___sys_sendmsg (net/socket.c:2670) 
[ 60.410268][ T633] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.410573][ T633] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 60.410893][ T633] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 60.411202][ T633] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 60.411521][ T633] ? __handle_mm_fault (mm/memory.c:6212) 
[ 60.411824][ T633] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 60.412124][ T633] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 60.412480][ T633] __sys_sendmsg (net/socket.c:2700) 
[ 60.412785][ T633] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.413091][ T633] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 60.413423][ T633] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 60.413732][ T633] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.414044][ T633] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.414367][ T633] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.414744][  T633] RIP: 0033:0x7f2612d561e7
[ 60.415065][ T633] 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)
[   60.416173][  T633] RSP: 002b:00007ffcc6150c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.416692][  T633] RAX: ffffffffffffffda RBX: 00007ffcc6151390 RCX: 00007f2612d561e7
[   60.417151][  T633] RDX: 0000000000000000 RSI: 00007ffcc6150cc0 RDI: 0000000000000005
[   60.417624][  T633] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[   60.418082][  T633] R10: 00007f2612de4ac0 R11: 0000000000000246 R12: 00007ffcc61513c8
[   60.418548][  T633] R13: 00000000686e09c3 R14: 0000000000499600 R15: 00007ffcc6150db0
| [   67.932688][  T699] ------------[ cut here ]------------
| [ 67.933046][ T699] WARNING: CPU: 3 PID: 699 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) 
| [   67.933736][  T699] Modules linked in: vxlan
| [   67.934778][  T699] Tainted: [W]=WARN
[   67.935032][  T699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.935451][ T699] 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) 
[ 67.935793][ T699] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   67.936949][  T699] RSP: 0018:ffffc900015c7080 EFLAGS: 00010246
[   67.937367][  T699] RAX: 0000000000000000 RBX: ffff88801139a000 RCX: 0000000000000001
[   67.937848][  T699] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   67.938347][  T699] RBP: ffffc900015c7168 R08: 0000000000000000 R09: 0000000000000000
[   67.938823][  T699] R10: ffffc900015c7198 R11: ffffffff95f8d1e0 R12: 1ffff920002b8e14
[   67.939310][  T699] R13: 00000000000005dc R14: ffffc900015c7198 R15: ffff88801139af48
[   67.939798][  T699] FS:  00007f8f6ad1a800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   67.940376][  T699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.940785][  T699] CR2: 000055f5e3de4d48 CR3: 000000000be68004 CR4: 0000000000772ef0
[   67.941301][  T699] PKRU: 55555554
[   67.941547][  T699] Call Trace:
[   67.941792][  T699]  <TASK>
[ 67.941960][ T699] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 67.942296][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.942641][ T699] netif_set_mtu (net/core/dev.c:9652) 
[ 67.942962][ T699] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 67.943309][ T699] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 67.943557][ T699] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 67.943887][ T699] br_add_if (net/bridge/br_if.c:697) 
[ 67.944143][ T699] do_set_master (net/core/rtnetlink.c:2948) 
[ 67.944480][ T699] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 67.944809][ T699] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 67.945138][ T699] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 67.945467][ T699] ? __dev_get_by_name (net/core/dev.c:865) 
[ 67.945793][ T699] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 67.946114][ T699] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 67.946451][ T699] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 67.946774][ T699] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 67.947103][ T699] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 67.947445][ T699] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 67.947774][ T699] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.948111][ T699] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 67.948444][ T699] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.948768][ T699] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.949084][ T699] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 67.949415][ T699] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.949730][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.950053][ T699] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 67.950382][ T699] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.950688][ T699] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 67.951022][ T699] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 67.951337][ T699] ? 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) 
[ 67.951649][ T699] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 67.951962][ T699] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 67.952280][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.952590][ T699] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.952900][ T699] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 67.953228][ T699] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 67.953578][ T699] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.953905][ T699] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 67.954224][ T699] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 67.954654][ T699] ___sys_sendmsg (net/socket.c:2670) 
[ 67.954979][ T699] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 67.955326][ T699] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 67.955652][ T699] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 67.955981][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.956323][ T699] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.956657][ T699] __sys_sendmsg (net/socket.c:2700) 
[ 67.956986][ T699] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 67.957337][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.957666][ T699] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.957994][ T699] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.958408][  T699] RIP: 0033:0x7f8f6aee71e7
[ 67.958746][ T699] 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)
[   67.959921][  T699] RSP: 002b:00007fff8f709708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.960421][  T699] RAX: ffffffffffffffda RBX: 00007fff8f709e40 RCX: 00007f8f6aee71e7
[   67.960920][  T699] RDX: 0000000000000000 RSI: 00007fff8f709770 RDI: 0000000000000005
[   67.961417][  T699] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[   67.961904][  T699] R10: 00007f8f6af75ac0 R11: 0000000000000246 R12: 00007fff8f709e78
[   67.962388][  T699] R13: 00000000686e09cb R14: 0000000000499600 R15: 00007fff8f709860
| [   72.353701][  T729] ------------[ cut here ]------------
| [ 72.354077][ T729] WARNING: CPU: 3 PID: 729 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) 
| [   72.354735][  T729] Modules linked in: vxlan
| [   72.355731][  T729] Tainted: [W]=WARN
[   72.355978][  T729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 72.356402][ T729] 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) 
[ 72.356738][ T729] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   72.357859][  T729] RSP: 0018:ffffc90001737080 EFLAGS: 00010246
[   72.358280][  T729] RAX: 0000000000000000 RBX: ffff888009ab2000 RCX: 0000000000000001
[   72.358761][  T729] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   72.359215][  T729] RBP: ffffc90001737168 R08: 0000000000000000 R09: 0000000000000000
[   72.359729][  T729] R10: ffffc90001737198 R11: ffffffff95f8d1e0 R12: 1ffff920002e6e14
[   72.360209][  T729] R13: 00000000000005dc R14: ffffc90001737198 R15: ffff888009ab2f48
[   72.360717][  T729] FS:  00007f1a673fb800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   72.361301][  T729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.361704][  T729] CR2: 00007f1a675e6ba0 CR3: 0000000011149003 CR4: 0000000000772ef0
[   72.362183][  T729] PKRU: 55555554
[   72.362445][  T729] Call Trace:
[   72.362686][  T729]  <TASK>
[ 72.362844][ T729] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.363152][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.363492][ T729] netif_set_mtu (net/core/dev.c:9652) 
[ 72.363796][ T729] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 72.364115][ T729] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 72.364353][ T729] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 72.364661][ T729] br_add_if (net/bridge/br_if.c:697) 
[ 72.364909][ T729] do_set_master (net/core/rtnetlink.c:2948) 
[ 72.365212][ T729] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 72.365535][ T729] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 72.365845][ T729] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 72.366165][ T729] ? __dev_get_by_name (net/core/dev.c:865) 
[ 72.366490][ T729] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 72.366809][ T729] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 72.367117][ T729] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 72.367436][ T729] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 72.367760][ T729] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 72.368084][ T729] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 72.368416][ T729] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.368739][ T729] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 72.369040][ T729] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.369353][ T729] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.369659][ T729] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 72.369964][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.370287][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.370598][ T729] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 72.370909][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.371223][ T729] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 72.371548][ T729] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 72.371856][ T729] ? 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) 
[ 72.372161][ T729] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 72.372475][ T729] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 72.372778][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.373088][ T729] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.373403][ T729] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 72.373721][ T729] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 72.374056][ T729] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.374393][ T729] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 72.374703][ T729] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 72.375116][ T729] ___sys_sendmsg (net/socket.c:2670) 
[ 72.375450][ T729] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 72.375761][ T729] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.376074][ T729] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.376415][ T729] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 72.376741][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.377062][ T729] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.377391][ T729] __sys_sendmsg (net/socket.c:2700) 
[ 72.377706][ T729] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 72.378026][ T729] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.378375][ T729] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 72.378692][ T729] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   72.379096][  T729] RIP: 0033:0x7f1a675c81e7
[ 72.379421][ T729] 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)
[   72.380508][  T729] RSP: 002b:00007fff41b4f388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.380984][  T729] RAX: ffffffffffffffda RBX: 00007fff41b4fac0 RCX: 00007f1a675c81e7
[   72.381456][  T729] RDX: 0000000000000000 RSI: 00007fff41b4f3f0 RDI: 0000000000000005
[   72.381917][  T729] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[   72.382391][  T729] R10: 00007f1a67656ac0 R11: 0000000000000246 R12: 00007fff41b4faf8
[   72.382847][  T729] R13: 00000000686e09cf R14: 0000000000499600 R15: 00007fff41b4f4e0
| [   92.327726][  T903] ------------[ cut here ]------------
| [ 92.328072][ T903] WARNING: CPU: 0 PID: 903 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) 
| [   92.328737][  T903] Modules linked in: vxlan
| [   92.329732][  T903] Tainted: [W]=WARN
[   92.329981][  T903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.330393][ T903] 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) 
[ 92.330736][ T903] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   92.331998][  T903] RSP: 0018:ffffc90001cb7080 EFLAGS: 00010246
[   92.332432][  T903] RAX: 0000000000000000 RBX: ffff88800e9da000 RCX: 0000000000000001
[   92.332940][  T903] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   92.333469][  T903] RBP: ffffc90001cb7168 R08: 0000000000000000 R09: 0000000000000000
[   92.333971][  T903] R10: ffffc90001cb7198 R11: ffffffff95f8d1e0 R12: 1ffff92000396e14
[   92.334482][  T903] R13: 00000000000005dc R14: ffffc90001cb7198 R15: ffff88800e9daf48
[   92.334985][  T903] FS:  00007fb472d56800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[   92.335599][  T903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.336009][  T903] CR2: 000000000043d940 CR3: 000000000c0e3005 CR4: 0000000000772ef0
[   92.336517][  T903] PKRU: 55555554
[   92.336766][  T903] Call Trace:
[   92.337007][  T903]  <TASK>
[ 92.337191][ T903] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 92.337535][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 92.337888][ T903] netif_set_mtu (net/core/dev.c:9652) 
[ 92.338211][ T903] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 92.338562][ T903] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 92.338822][ T903] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 92.339152][ T903] br_add_if (net/bridge/br_if.c:697) 
[ 92.339427][ T903] do_set_master (net/core/rtnetlink.c:2948) 
[ 92.339754][ T903] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 92.340081][ T903] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 92.340433][ T903] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 92.340762][ T903] ? __dev_get_by_name (net/core/dev.c:865) 
[ 92.341105][ T903] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 92.341440][ T903] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 92.341768][ T903] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 92.342094][ T903] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 92.342435][ T903] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 92.342785][ T903] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 92.343118][ T903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 92.343493][ T903] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 92.343817][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 92.344144][ T903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 92.344475][ T903] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 92.344801][ T903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 92.345115][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 92.345448][ T903] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 92.345776][ T903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 92.346099][ T903] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 92.346442][ T903] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 92.346758][ T903] ? 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) 
[ 92.347082][ T903] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 92.347446][ T903] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 92.347776][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 92.348105][ T903] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 92.348440][ T903] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 92.348765][ T903] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 92.349111][ T903] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 92.349449][ T903] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 92.349767][ T903] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 92.350257][ T903] ___sys_sendmsg (net/socket.c:2670) 
[ 92.350630][ T903] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 92.350995][ T903] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 92.351402][ T903] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 92.351730][ T903] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 92.352057][ T903] ? __handle_mm_fault (mm/memory.c:6212) 
[ 92.352399][ T903] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 92.352719][ T903] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 92.353060][ T903] __sys_sendmsg (net/socket.c:2700) 
[ 92.353392][ T903] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 92.353718][ T903] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 92.354046][ T903] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 92.354383][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 92.354734][ T903] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 92.355076][ T903] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   92.355510][  T903] RIP: 0033:0x7fb472f231e7
[ 92.355856][ T903] 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)
[   92.357028][  T903] RSP: 002b:00007fffca434298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   92.357561][  T903] RAX: ffffffffffffffda RBX: 00007fffca4349d0 RCX: 00007fb472f231e7
[   92.358060][  T903] RDX: 0000000000000000 RSI: 00007fffca434300 RDI: 0000000000000005
[   92.358576][  T903] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[   92.359082][  T903] R10: 00007fb472fb1ac0 R11: 0000000000000246 R12: 00007fffca434a08
[   92.359596][  T903] R13: 00000000686e09e3 R14: 0000000000499600 R15: 00007fffca4343f0
| [   96.820336][  T933] ------------[ cut here ]------------
| [ 96.820940][ T933] WARNING: CPU: 2 PID: 933 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) 
| [   96.821797][  T933] Modules linked in: vxlan
| [   96.822878][  T933] Tainted: [W]=WARN
[   96.823157][  T933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.823575][ T933] 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) 
[ 96.823907][ T933] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   96.825071][  T933] RSP: 0018:ffffc90001dc7080 EFLAGS: 00010246
[   96.825500][  T933] RAX: 0000000000000000 RBX: ffff88801139a000 RCX: 0000000000000001
[   96.826015][  T933] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   96.826581][  T933] RBP: ffffc90001dc7168 R08: 0000000000000000 R09: 0000000000000000
[   96.827109][  T933] R10: ffffc90001dc7198 R11: ffffffff95f8d1e0 R12: 1ffff920003b8e14
[   96.827649][  T933] R13: 00000000000005dc R14: ffffc90001dc7198 R15: ffff88801139af48
[   96.828176][  T933] FS:  00007f0865e97800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[   96.828808][  T933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.829288][  T933] CR2: 000055f5d62a3dec CR3: 00000000121d1001 CR4: 0000000000772ef0
[   96.829877][  T933] PKRU: 55555554
[   96.830161][  T933] Call Trace:
[   96.830457][  T933]  <TASK>
[ 96.830657][ T933] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.831050][ T933] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.831426][ T933] netif_set_mtu (net/core/dev.c:9652) 
[ 96.831811][ T933] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.832223][ T933] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.832516][ T933] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 96.832924][ T933] br_add_if (net/bridge/br_if.c:697) 
[ 96.833209][ T933] do_set_master (net/core/rtnetlink.c:2948) 
[ 96.833615][ T933] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 96.834010][ T933] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 96.834419][ T933] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 96.834794][ T933] ? __dev_get_by_name (net/core/dev.c:865) 
[ 96.835145][ T933] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 96.835513][ T933] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 96.835890][ T933] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.836261][ T933] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 96.836634][ T933] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 96.837006][ T933] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.837395][ T933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.837767][ T933] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.838121][ T933] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.838491][ T933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.838847][ T933] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.839219][ T933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.839610][ T933] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.839990][ T933] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.840380][ T933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.840736][ T933] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.841129][ T933] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.841501][ T933] ? 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) 
[ 96.841874][ T933] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.842267][ T933] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.842657][ T933] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.843045][ T933] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.843442][ T933] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.843803][ T933] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.844205][ T933] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.844585][ T933] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.844936][ T933] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.845401][ T933] ___sys_sendmsg (net/socket.c:2670) 
[ 96.845776][ T933] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.846127][ T933] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 96.846496][ T933] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 96.846815][ T933] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 96.847156][ T933] ? __handle_mm_fault (mm/memory.c:6212) 
[ 96.847516][ T933] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 96.847904][ T933] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 96.848316][ T933] __sys_sendmsg (net/socket.c:2700) 
[ 96.848680][ T933] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.849034][ T933] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 96.849407][ T933] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 96.849769][ T933] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.850128][ T933] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.850526][ T933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.850990][  T933] RIP: 0033:0x7f08660641e7
[ 96.851391][ T933] 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)
[   96.852637][  T933] RSP: 002b:00007ffce6266f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.853193][  T933] RAX: ffffffffffffffda RBX: 00007ffce62676b0 RCX: 00007f08660641e7
[   96.853786][  T933] RDX: 0000000000000000 RSI: 00007ffce6266fe0 RDI: 0000000000000005
[   96.854350][  T933] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[   96.854907][  T933] R10: 00007f08660f2ac0 R11: 0000000000000246 R12: 00007ffce62676e8
[   96.855471][  T933] R13: 00000000686e09e8 R14: 0000000000499600 R15: 00007ffce62670d0
| [  104.631078][  T999] ------------[ cut here ]------------
| [ 104.631911][ T999] WARNING: CPU: 0 PID: 999 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) 
| [  104.632589][  T999] Modules linked in: vxlan
| [  104.633586][  T999] Tainted: [W]=WARN
[  104.633865][  T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 104.634262][ T999] 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) 
[ 104.634583][ T999] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  104.635719][  T999] RSP: 0018:ffffc90001bb7080 EFLAGS: 00010246
[  104.636111][  T999] RAX: 0000000000000000 RBX: ffff88800f192000 RCX: 0000000000000001
[  104.636636][  T999] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  104.637114][  T999] RBP: ffffc90001bb7168 R08: 0000000000000000 R09: 0000000000000000
[  104.637591][  T999] R10: ffffc90001bb7198 R11: ffffffff95f8d1e0 R12: 1ffff92000376e14
[  104.638068][  T999] R13: 00000000000005dc R14: ffffc90001bb7198 R15: ffff88800f192f48
[  104.638579][  T999] FS:  00007f93db52f800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  104.639160][  T999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  104.639595][  T999] CR2: 00007f93db71aba0 CR3: 0000000006796001 CR4: 0000000000772ef0
[  104.640088][  T999] PKRU: 55555554
[  104.640360][  T999] Call Trace:
[  104.640614][  T999]  <TASK>
[ 104.640787][ T999] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 104.641158][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.641512][ T999] netif_set_mtu (net/core/dev.c:9652) 
[ 104.641862][ T999] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 104.642201][ T999] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 104.642462][ T999] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 104.642788][ T999] br_add_if (net/bridge/br_if.c:697) 
[ 104.643044][ T999] do_set_master (net/core/rtnetlink.c:2948) 
[ 104.643379][ T999] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 104.643707][ T999] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 104.644059][ T999] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 104.644393][ T999] ? __dev_get_by_name (net/core/dev.c:865) 
[ 104.644716][ T999] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.645061][ T999] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 104.645398][ T999] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 104.645731][ T999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 104.646064][ T999] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 104.646402][ T999] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 104.646759][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.647117][ T999] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 104.647452][ T999] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 104.647791][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 104.648110][ T999] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 104.648458][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.648786][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.649117][ T999] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 104.649477][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 104.649807][ T999] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 104.650153][ T999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 104.650499][ T999] ? 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) 
[ 104.650827][ T999] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 104.651195][ T999] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 104.651550][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.651880][ T999] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 104.652197][ T999] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 104.652529][ T999] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 104.652862][ T999] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 104.653190][ T999] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 104.653531][ T999] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 104.653947][ T999] ___sys_sendmsg (net/socket.c:2670) 
[ 104.654285][ T999] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 104.654627][ T999] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.654952][ T999] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 104.655288][ T999] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 104.655617][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 104.655953][ T999] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 104.656299][ T999] __sys_sendmsg (net/socket.c:2700) 
[ 104.656613][ T999] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 104.656945][ T999] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 104.657298][ T999] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 104.657623][ T999] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  104.658022][  T999] RIP: 0033:0x7f93db6fc1e7
[ 104.658358][ T999] 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)
[  104.659493][  T999] RSP: 002b:00007ffca7e58f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  104.659953][  T999] RAX: ffffffffffffffda RBX: 00007ffca7e59680 RCX: 00007f93db6fc1e7
[  104.660418][  T999] RDX: 0000000000000000 RSI: 00007ffca7e58fb0 RDI: 0000000000000005
[  104.660880][  T999] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  104.661363][  T999] R10: 00007f93db78aac0 R11: 0000000000000246 R12: 00007ffca7e596b8
[  104.661824][  T999] R13: 00000000686e09f0 R14: 0000000000499600 R15: 00007ffca7e590a0
| [  109.254809][ T1029] ------------[ cut here ]------------
| [ 109.255128][ T1029] WARNING: CPU: 3 PID: 1029 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) 
| [  109.255775][ T1029] Modules linked in: vxlan
| [  109.256769][ T1029] Tainted: [W]=WARN
[  109.257009][ T1029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.257406][ T1029] 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) 
[ 109.257746][ T1029] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  109.258859][ T1029] RSP: 0018:ffffc90002217080 EFLAGS: 00010246
[  109.259259][ T1029] RAX: 0000000000000000 RBX: ffff8880113aa000 RCX: 0000000000000001
[  109.259735][ T1029] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  109.260207][ T1029] RBP: ffffc90002217168 R08: 0000000000000000 R09: 0000000000000000
[  109.260686][ T1029] R10: ffffc90002217198 R11: ffffffff95f8d1e0 R12: 1ffff92000442e14
[  109.261185][ T1029] R13: 00000000000005dc R14: ffffc90002217198 R15: ffff8880113aaf48
[  109.261652][ T1029] FS:  00007f07c12a3800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  109.262208][ T1029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.262612][ T1029] CR2: 00007f07c148eba0 CR3: 000000000279f006 CR4: 0000000000772ef0
[  109.263109][ T1029] PKRU: 55555554
[  109.263368][ T1029] Call Trace:
[  109.263628][ T1029]  <TASK>
[ 109.263791][ T1029] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.264105][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.264461][ T1029] netif_set_mtu (net/core/dev.c:9652) 
[ 109.264801][ T1029] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.265132][ T1029] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.265381][ T1029] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 109.265708][ T1029] br_add_if (net/bridge/br_if.c:697) 
[ 109.265949][ T1029] do_set_master (net/core/rtnetlink.c:2948) 
[ 109.266271][ T1029] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 109.266580][ T1029] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 109.266888][ T1029] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 109.267191][ T1029] ? __dev_get_by_name (net/core/dev.c:865) 
[ 109.267507][ T1029] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.267821][ T1029] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 109.268132][ T1029] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.268445][ T1029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 109.268759][ T1029] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 109.269075][ T1029] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.269400][ T1029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.269715][ T1029] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.270043][ T1029] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.270375][ T1029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.270691][ T1029] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.271008][ T1029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.271353][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.271684][ T1029] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.271996][ T1029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.272318][ T1029] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.272666][ T1029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.272972][ T1029] ? 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) 
[ 109.273290][ T1029] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 109.273600][ T1029] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.273905][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.274218][ T1029] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.274539][ T1029] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.274877][ T1029] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.275221][ T1029] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.275539][ T1029] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.275846][ T1029] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.276259][ T1029] ___sys_sendmsg (net/socket.c:2670) 
[ 109.276580][ T1029] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.276904][ T1029] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 109.277228][ T1029] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 109.277555][ T1029] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 109.277865][ T1029] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.278206][ T1029] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.278548][ T1029] __sys_sendmsg (net/socket.c:2700) 
[ 109.278857][ T1029] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.279186][ T1029] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.279511][ T1029] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.279839][ T1029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.280215][ T1029] RIP: 0033:0x7f07c14701e7
[ 109.280562][ T1029] 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)
[  109.281706][ T1029] RSP: 002b:00007ffdeeca0f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.282177][ T1029] RAX: ffffffffffffffda RBX: 00007ffdeeca16a0 RCX: 00007f07c14701e7
[  109.282679][ T1029] RDX: 0000000000000000 RSI: 00007ffdeeca0fd0 RDI: 0000000000000005
[  109.283139][ T1029] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  109.283620][ T1029] R10: 00007f07c14feac0 R11: 0000000000000246 R12: 00007ffdeeca16d8
[  109.284088][ T1029] R13: 00000000686e09f4 R14: 0000000000499600 R15: 00007ffdeeca10c0
| [  129.895533][ T1202] ------------[ cut here ]------------
| [ 129.895857][ T1202] WARNING: CPU: 3 PID: 1202 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) 
| [  129.896707][ T1202] Modules linked in: vxlan
| [  129.897807][ T1202] Tainted: [W]=WARN
[  129.898043][ T1202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.898586][ T1202] 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) 
[ 129.898908][ T1202] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  129.900265][ T1202] RSP: 0018:ffffc90002727080 EFLAGS: 00010246
[  129.900658][ T1202] RAX: 0000000000000000 RBX: ffff888005342000 RCX: 0000000000000001
[  129.901134][ T1202] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  129.901645][ T1202] RBP: ffffc90002727168 R08: 0000000000000000 R09: 0000000000000000
[  129.902109][ T1202] R10: ffffc90002727198 R11: ffffffff95f8d1e0 R12: 1ffff920004e4e14
[  129.902581][ T1202] R13: 00000000000005dc R14: ffffc90002727198 R15: ffff888005342f48
[  129.903050][ T1202] FS:  00007f4d1a89a800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  129.903610][ T1202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.904039][ T1202] CR2: 000000000043d940 CR3: 0000000009dd7003 CR4: 0000000000772ef0
[  129.904530][ T1202] PKRU: 55555554
[  129.904762][ T1202] Call Trace:
[  129.904994][ T1202]  <TASK>
[ 129.905153][ T1202] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.905478][ T1202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.905803][ T1202] netif_set_mtu (net/core/dev.c:9652) 
[ 129.906112][ T1202] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 129.906440][ T1202] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 129.906675][ T1202] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 129.906993][ T1202] br_add_if (net/bridge/br_if.c:697) 
[ 129.907261][ T1202] do_set_master (net/core/rtnetlink.c:2948) 
[ 129.907569][ T1202] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 129.907876][ T1202] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 129.908211][ T1202] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 129.908531][ T1202] ? __dev_get_by_name (net/core/dev.c:865) 
[ 129.908841][ T1202] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 129.909153][ T1202] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 129.909477][ T1202] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.909780][ T1202] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 129.910091][ T1202] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 129.910416][ T1202] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.910728][ T1202] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.911059][ T1202] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.911380][ T1202] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.911692][ T1202] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.912036][ T1202] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.912359][ T1202] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.912673][ T1202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.912983][ T1202] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.913307][ T1202] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.913619][ T1202] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.913945][ T1202] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.914267][ T1202] ? 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) 
[ 129.914577][ T1202] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.914886][ T1202] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.915196][ T1202] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.915523][ T1202] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.915837][ T1202] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.916181][ T1202] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.916508][ T1202] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.916823][ T1202] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.917128][ T1202] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.917536][ T1202] ___sys_sendmsg (net/socket.c:2670) 
[ 129.917849][ T1202] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.918158][ T1202] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 129.918487][ T1202] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 129.918794][ T1202] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 129.919109][ T1202] ? __handle_mm_fault (mm/memory.c:6212) 
[ 129.919427][ T1202] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 129.919732][ T1202] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 129.920095][ T1202] __sys_sendmsg (net/socket.c:2700) 
[ 129.920422][ T1202] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.920737][ T1202] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 129.921069][ T1202] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 129.921393][ T1202] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.921706][ T1202] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.922015][ T1202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.922408][ T1202] RIP: 0033:0x7f4d1aa671e7
[ 129.922726][ T1202] 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)
[  129.923842][ T1202] RSP: 002b:00007ffe5a33dff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.924345][ T1202] RAX: ffffffffffffffda RBX: 00007ffe5a33e730 RCX: 00007f4d1aa671e7
[  129.924805][ T1202] RDX: 0000000000000000 RSI: 00007ffe5a33e060 RDI: 0000000000000005
[  129.925286][ T1202] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  129.925754][ T1202] R10: 00007f4d1aaf5ac0 R11: 0000000000000246 R12: 00007ffe5a33e768
[  129.926216][ T1202] R13: 00000000686e0a09 R14: 0000000000499600 R15: 00007ffe5a33e150
| [  134.488128][ T1232] ------------[ cut here ]------------
| [ 134.488571][ T1232] WARNING: CPU: 1 PID: 1232 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) 
| [  134.489324][ T1232] Modules linked in: vxlan
| [  134.490417][ T1232] Tainted: [W]=WARN
[  134.490679][ T1232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 134.491095][ T1232] 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) 
[ 134.491917][ T1232] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  134.493185][ T1232] RSP: 0018:ffffc90002867080 EFLAGS: 00010246
[  134.493615][ T1232] RAX: 0000000000000000 RBX: ffff88800f192000 RCX: 0000000000000001
[  134.494092][ T1232] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  134.494675][ T1232] RBP: ffffc90002867168 R08: 0000000000000000 R09: 0000000000000000
[  134.495361][ T1232] R10: ffffc90002867198 R11: ffffffff95f8d1e0 R12: 1ffff9200050ce14
[  134.496161][ T1232] R13: 00000000000005dc R14: ffffc90002867198 R15: ffff88800f192f48
[  134.496980][ T1232] FS:  00007f26c27cc800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  134.497945][ T1232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  134.498670][ T1232] CR2: 000000000043d940 CR3: 000000000b6fa003 CR4: 0000000000772ef0
[  134.499508][ T1232] PKRU: 55555554
[  134.499909][ T1232] Call Trace:
[  134.500329][ T1232]  <TASK>
[ 134.500616][ T1232] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 134.501180][ T1232] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.501753][ T1232] netif_set_mtu (net/core/dev.c:9652) 
[ 134.502334][ T1232] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 134.502915][ T1232] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 134.503354][ T1232] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 134.503903][ T1232] br_add_if (net/bridge/br_if.c:697) 
[ 134.504410][ T1232] do_set_master (net/core/rtnetlink.c:2948) 
[ 134.504970][ T1232] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 134.505551][ T1232] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 134.506133][ T1232] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 134.506739][ T1232] ? __dev_get_by_name (net/core/dev.c:865) 
[ 134.507329][ T1232] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 134.507896][ T1232] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 134.508460][ T1232] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 134.509002][ T1232] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 134.509535][ T1232] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 134.509930][ T1232] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 134.510298][ T1232] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.510634][ T1232] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 134.511057][ T1232] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 134.511469][ T1232] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 134.511853][ T1232] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 134.512180][ T1232] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.512720][ T1232] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.513264][ T1232] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 134.513593][ T1232] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 134.513919][ T1232] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 134.514290][ T1232] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 134.514611][ T1232] ? 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) 
[ 134.514933][ T1232] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 134.515291][ T1232] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 134.515630][ T1232] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 134.515960][ T1232] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 134.516309][ T1232] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 134.516630][ T1232] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 134.516963][ T1232] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 134.517317][ T1232] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 134.517706][ T1232] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 134.518137][ T1232] ___sys_sendmsg (net/socket.c:2670) 
[ 134.518487][ T1232] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 134.518881][ T1232] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 134.519259][ T1232] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 134.519581][ T1232] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 134.519906][ T1232] ? __handle_mm_fault (mm/memory.c:6212) 
[ 134.520265][ T1232] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 134.520683][ T1232] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 134.521036][ T1232] __sys_sendmsg (net/socket.c:2700) 
[ 134.521449][ T1232] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 134.521812][ T1232] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 134.522219][ T1232] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 134.522622][ T1232] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 134.522948][ T1232] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 134.523386][ T1232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  134.523789][ T1232] RIP: 0033:0x7f26c29991e7
[ 134.524177][ T1232] 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)
[  134.525573][ T1232] RSP: 002b:00007ffc90628248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  134.526226][ T1232] RAX: ffffffffffffffda RBX: 00007ffc90628980 RCX: 00007f26c29991e7
[  134.527068][ T1232] RDX: 0000000000000000 RSI: 00007ffc906282b0 RDI: 0000000000000005
[  134.527907][ T1232] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  134.528746][ T1232] R10: 00007f26c2a27ac0 R11: 0000000000000246 R12: 00007ffc906289b8
[  134.529584][ T1232] R13: 00000000686e0a0e R14: 0000000000499600 R15: 00007ffc906283a0
| [  142.239633][ T1298] ------------[ cut here ]------------
| [ 142.239952][ T1298] WARNING: CPU: 3 PID: 1298 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) 
| [  142.240582][ T1298] Modules linked in: vxlan
| [  142.241574][ T1298] Tainted: [W]=WARN
[  142.241817][ T1298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 142.242209][ T1298] 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) 
[ 142.242540][ T1298] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  142.243676][ T1298] RSP: 0018:ffffc90002b57080 EFLAGS: 00010246
[  142.244072][ T1298] RAX: 0000000000000000 RBX: ffff88801077a000 RCX: 0000000000000001
[  142.244580][ T1298] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  142.245044][ T1298] RBP: ffffc90002b57168 R08: 0000000000000000 R09: 0000000000000000
[  142.245522][ T1298] R10: ffffc90002b57198 R11: ffffffff95f8d1e0 R12: 1ffff9200056ae14
[  142.245987][ T1298] R13: 00000000000005dc R14: ffffc90002b57198 R15: ffff88801077af48
[  142.246470][ T1298] FS:  00007feb70870800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  142.247015][ T1298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  142.247417][ T1298] CR2: 000055f5e3e3d308 CR3: 000000000b275005 CR4: 0000000000772ef0
[  142.247885][ T1298] PKRU: 55555554
[  142.248117][ T1298] Call Trace:
[  142.248358][ T1298]  <TASK>
[ 142.248520][ T1298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 142.248842][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.249168][ T1298] netif_set_mtu (net/core/dev.c:9652) 
[ 142.249503][ T1298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 142.249835][ T1298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 142.250073][ T1298] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 142.250407][ T1298] br_add_if (net/bridge/br_if.c:697) 
[ 142.250654][ T1298] do_set_master (net/core/rtnetlink.c:2948) 
[ 142.250977][ T1298] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 142.251320][ T1298] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 142.251632][ T1298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 142.251942][ T1298] ? __dev_get_by_name (net/core/dev.c:865) 
[ 142.252268][ T1298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 142.252578][ T1298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 142.252897][ T1298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 142.253203][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 142.253533][ T1298] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 142.253855][ T1298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 142.254170][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 142.254502][ T1298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 142.254810][ T1298] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 142.255123][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 142.255449][ T1298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 142.255768][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 142.256084][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.256410][ T1298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 142.256722][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 142.257037][ T1298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 142.257372][ T1298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 142.257683][ T1298] ? 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) 
[ 142.257998][ T1298] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 142.258324][ T1298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 142.258633][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 142.258947][ T1298] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 142.259270][ T1298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 142.259581][ T1298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 142.259898][ T1298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 142.260212][ T1298] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 142.260537][ T1298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 142.260942][ T1298] ___sys_sendmsg (net/socket.c:2670) 
[ 142.261279][ T1298] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 142.261589][ T1298] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 142.261899][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 142.262206][ T1298] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 142.262534][ T1298] ? __handle_mm_fault (mm/memory.c:6212) 
[ 142.262847][ T1298] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 142.263154][ T1298] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 142.263495][ T1298] __sys_sendmsg (net/socket.c:2700) 
[ 142.263804][ T1298] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 142.264135][ T1298] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 142.264468][ T1298] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 142.264799][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 142.265123][ T1298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 142.265454][ T1298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  142.265846][ T1298] RIP: 0033:0x7feb70a3d1e7
[ 142.266174][ T1298] 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)
[  142.267309][ T1298] RSP: 002b:00007ffe83112df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  142.267785][ T1298] RAX: ffffffffffffffda RBX: 00007ffe83113530 RCX: 00007feb70a3d1e7
[  142.268255][ T1298] RDX: 0000000000000000 RSI: 00007ffe83112e60 RDI: 0000000000000005
[  142.268724][ T1298] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  142.269194][ T1298] R10: 00007feb70acbac0 R11: 0000000000000246 R12: 00007ffe83113568
[  142.269677][ T1298] R13: 00000000686e0a15 R14: 0000000000499600 R15: 00007ffe83112f50
| [  146.911950][ T1328] ------------[ cut here ]------------
| [ 146.912277][ T1328] WARNING: CPU: 3 PID: 1328 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) 
| [  146.912890][ T1328] Modules linked in: vxlan
| [  146.913896][ T1328] Tainted: [W]=WARN
[  146.914129][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 146.914528][ T1328] 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) 
[ 146.914846][ T1328] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  146.915965][ T1328] RSP: 0018:ffffc90002647080 EFLAGS: 00010246
[  146.916361][ T1328] RAX: 0000000000000000 RBX: ffff88800bc9a000 RCX: 0000000000000001
[  146.916813][ T1328] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  146.917278][ T1328] RBP: ffffc90002647168 R08: 0000000000000000 R09: 0000000000000000
[  146.917733][ T1328] R10: ffffc90002647198 R11: ffffffff95f8d1e0 R12: 1ffff920004c8e14
[  146.918196][ T1328] R13: 00000000000005dc R14: ffffc90002647198 R15: ffff88800bc9af48
[  146.918675][ T1328] FS:  00007fe20d737800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  146.919210][ T1328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  146.919848][ T1328] CR2: 00007fe20d922ba0 CR3: 00000000120f9003 CR4: 0000000000772ef0
[  146.920469][ T1328] PKRU: 55555554
[  146.920703][ T1328] Call Trace:
[  146.920934][ T1328]  <TASK>
[ 146.921108][ T1328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 146.921563][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 146.921887][ T1328] netif_set_mtu (net/core/dev.c:9652) 
[ 146.922198][ T1328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 146.922677][ T1328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 146.922914][ T1328] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 146.923381][ T1328] br_add_if (net/bridge/br_if.c:697) 
[ 146.923623][ T1328] do_set_master (net/core/rtnetlink.c:2948) 
[ 146.923925][ T1328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 146.924361][ T1328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 146.924673][ T1328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 146.924973][ T1328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 146.925288][ T1328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 146.925604][ T1328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 146.925912][ T1328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 146.926210][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 146.926540][ T1328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 146.926875][ T1328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 146.927186][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 146.927511][ T1328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 146.927812][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 146.928126][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 146.928438][ T1328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 146.928748][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 146.929056][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 146.929420][ T1328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 146.929729][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 146.930036][ T1328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 146.930388][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 146.930692][ T1328] ? 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) 
[ 146.931009][ T1328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 146.931330][ T1328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 146.931646][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 146.931958][ T1328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 146.932278][ T1328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 146.932590][ T1328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 146.932908][ T1328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 146.933214][ T1328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 146.933525][ T1328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 146.933915][ T1328] ___sys_sendmsg (net/socket.c:2670) 
[ 146.934219][ T1328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 146.934544][ T1328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 146.934858][ T1328] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 146.935100][ T1328] ? __handle_mm_fault (mm/memory.c:6212) 
[ 146.935411][ T1328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 146.935711][ T1328] ? mt_find (lib/maple_tree.c:6938) 
[ 146.935958][ T1328] __sys_sendmsg (net/socket.c:2700) 
[ 146.936272][ T1328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 146.936575][ T1328] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 146.936894][ T1328] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 146.937198][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 146.937515][ T1328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 146.937819][ T1328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  146.938195][ T1328] RIP: 0033:0x7fe20d9041e7
[ 146.938534][ T1328] 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)
[  146.939659][ T1328] RSP: 002b:00007ffcd0a76488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  146.940117][ T1328] RAX: ffffffffffffffda RBX: 00007ffcd0a76bc0 RCX: 00007fe20d9041e7
[  146.940583][ T1328] RDX: 0000000000000000 RSI: 00007ffcd0a764f0 RDI: 0000000000000005
[  146.941059][ T1328] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  146.941523][ T1328] R10: 00007fe20d992ac0 R11: 0000000000000246 R12: 00007ffcd0a76bf8
[  146.941979][ T1328] R13: 00000000686e0a1a R14: 0000000000499600 R15: 00007ffcd0a765e0
| [  167.293964][ T1500] ------------[ cut here ]------------
| [ 167.294319][ T1500] WARNING: CPU: 2 PID: 1500 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) 
| [  167.294946][ T1500] Modules linked in: vxlan
| [  167.295942][ T1500] Tainted: [W]=WARN
[  167.296193][ T1500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 167.296608][ T1500] 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) 
[ 167.296977][ T1500] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  167.298108][ T1500] RSP: 0018:ffffc900031a7080 EFLAGS: 00010246
[  167.298517][ T1500] RAX: 0000000000000000 RBX: ffff88800eb3a000 RCX: 0000000000000001
[  167.298984][ T1500] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  167.299483][ T1500] RBP: ffffc900031a7168 R08: 0000000000000000 R09: 0000000000000000
[  167.299959][ T1500] R10: ffffc900031a7198 R11: ffffffff95f8d1e0 R12: 1ffff92000634e14
[  167.300441][ T1500] R13: 00000000000005dc R14: ffffc900031a7198 R15: ffff88800eb3af48
[  167.300941][ T1500] FS:  00007f8577294800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  167.301547][ T1500] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  167.301968][ T1500] CR2: 00007f85774efb78 CR3: 000000000c287003 CR4: 0000000000772ef0
[  167.302457][ T1500] PKRU: 55555554
[  167.302699][ T1500] Call Trace:
[  167.302942][ T1500]  <TASK>
[ 167.303115][ T1500] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 167.303470][ T1500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.303817][ T1500] netif_set_mtu (net/core/dev.c:9652) 
[ 167.304135][ T1500] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 167.304480][ T1500] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 167.304727][ T1500] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 167.305084][ T1500] br_add_if (net/bridge/br_if.c:697) 
[ 167.305359][ T1500] do_set_master (net/core/rtnetlink.c:2948) 
[ 167.305681][ T1500] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 167.306019][ T1500] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 167.306353][ T1500] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 167.306669][ T1500] ? __dev_get_by_name (net/core/dev.c:865) 
[ 167.306988][ T1500] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.307329][ T1500] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 167.307654][ T1500] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 167.307967][ T1500] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.308304][ T1500] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 167.308640][ T1500] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 167.308999][ T1500] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.309350][ T1500] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 167.309665][ T1500] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 167.309987][ T1500] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 167.310315][ T1500] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 167.310635][ T1500] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.310971][ T1500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.311337][ T1500] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 167.311658][ T1500] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 167.311983][ T1500] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 167.312320][ T1500] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 167.312634][ T1500] ? 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) 
[ 167.312971][ T1500] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 167.313515][ T1500] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 167.314082][ T1500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 167.314662][ T1500] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 167.315277][ T1500] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 167.315841][ T1500] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 167.316393][ T1500] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 167.316903][ T1500] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 167.317447][ T1500] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 167.318180][ T1500] ___sys_sendmsg (net/socket.c:2670) 
[ 167.318773][ T1500] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 167.319332][ T1500] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 167.319907][ T1500] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 167.320492][ T1500] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 167.321068][ T1500] ? __handle_mm_fault (mm/memory.c:6212) 
[ 167.321675][ T1500] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 167.322232][ T1500] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 167.322857][ T1500] __sys_sendmsg (net/socket.c:2700) 
[ 167.323465][ T1500] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 167.324034][ T1500] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 167.324639][ T1500] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 167.325212][ T1500] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 167.325815][ T1500] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 167.326404][ T1500] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  167.327103][ T1500] RIP: 0033:0x7f85774611e7
[ 167.327723][ T1500] 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)
[  167.329715][ T1500] RSP: 002b:00007fff69eb9b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  167.330574][ T1500] RAX: ffffffffffffffda RBX: 00007fff69eba2c0 RCX: 00007f85774611e7
[  167.331457][ T1500] RDX: 0000000000000000 RSI: 00007fff69eb9bf0 RDI: 0000000000000005
[  167.332310][ T1500] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  167.333133][ T1500] R10: 00007f85774efac0 R11: 0000000000000246 R12: 00007fff69eba2f8
[  167.333961][ T1500] R13: 00000000686e0a2e R14: 0000000000499600 R15: 00007fff69eb9ce0
| [  171.932539][ T1530] ------------[ cut here ]------------
| [ 171.932933][ T1530] WARNING: CPU: 2 PID: 1530 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) 
| [  171.933609][ T1530] Modules linked in: vxlan
| [  171.934661][ T1530] Tainted: [W]=WARN
[  171.934921][ T1530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.935344][ T1530] 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) 
[ 171.935679][ T1530] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  171.936823][ T1530] RSP: 0018:ffffc900030a7080 EFLAGS: 00010246
[  171.937253][ T1530] RAX: 0000000000000000 RBX: ffff88801077a000 RCX: 0000000000000001
[  171.937732][ T1530] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  171.938213][ T1530] RBP: ffffc900030a7168 R08: 0000000000000000 R09: 0000000000000000
[  171.938748][ T1530] R10: ffffc900030a7198 R11: ffffffff95f8d1e0 R12: 1ffff92000614e14
[  171.939259][ T1530] R13: 00000000000005dc R14: ffffc900030a7198 R15: ffff88801077af48
[  171.939741][ T1530] FS:  00007fad98214800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  171.940483][ T1530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.941052][ T1530] CR2: 00007fad9846fb78 CR3: 0000000011154006 CR4: 0000000000772ef0
[  171.941735][ T1530] PKRU: 55555554
[  171.942135][ T1530] Call Trace:
[  171.942565][ T1530]  <TASK>
[ 171.942790][ T1530] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.943130][ T1530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.943505][ T1530] netif_set_mtu (net/core/dev.c:9652) 
[ 171.943836][ T1530] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.944184][ T1530] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.944472][ T1530] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 171.944810][ T1530] br_add_if (net/bridge/br_if.c:697) 
[ 171.945073][ T1530] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.945430][ T1530] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 171.945766][ T1530] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 171.946100][ T1530] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 171.946442][ T1530] ? __dev_get_by_name (net/core/dev.c:865) 
[ 171.946776][ T1530] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.947107][ T1530] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 171.947468][ T1530] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.947809][ T1530] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.948139][ T1530] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 171.948493][ T1530] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.948830][ T1530] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.949177][ T1530] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.949514][ T1530] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.949848][ T1530] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.950176][ T1530] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.950526][ T1530] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.950861][ T1530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.951206][ T1530] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.951565][ T1530] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.951902][ T1530] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.952256][ T1530] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.952585][ T1530] ? 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) 
[ 171.952930][ T1530] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.953280][ T1530] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.953611][ T1530] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.953946][ T1530] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.954293][ T1530] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.954629][ T1530] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.954968][ T1530] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.955363][ T1530] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.955707][ T1530] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.956131][ T1530] ___sys_sendmsg (net/socket.c:2670) 
[ 171.956476][ T1530] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.956810][ T1530] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 171.957145][ T1530] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 171.957484][ T1530] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 171.957830][ T1530] ? __handle_mm_fault (mm/memory.c:6212) 
[ 171.958162][ T1530] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 171.958501][ T1530] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 171.958856][ T1530] __sys_sendmsg (net/socket.c:2700) 
[ 171.959188][ T1530] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.959547][ T1530] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 171.959892][ T1530] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 171.960245][ T1530] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.960586][ T1530] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.960923][ T1530] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.961355][ T1530] RIP: 0033:0x7fad983e11e7
[ 171.961700][ T1530] 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)
[  171.962871][ T1530] RSP: 002b:00007ffe93bcd878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.963393][ T1530] RAX: ffffffffffffffda RBX: 00007ffe93bcdfb0 RCX: 00007fad983e11e7
[  171.963885][ T1530] RDX: 0000000000000000 RSI: 00007ffe93bcd8e0 RDI: 0000000000000005
[  171.964396][ T1530] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  171.964901][ T1530] R10: 00007fad9846fac0 R11: 0000000000000246 R12: 00007ffe93bcdfe8
[  171.965403][ T1530] R13: 00000000686e0a33 R14: 0000000000499600 R15: 00007ffe93bcd9d0
| [  179.639980][ T1595] ------------[ cut here ]------------
| [ 179.640310][ T1595] WARNING: CPU: 3 PID: 1595 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) 
| [  179.640917][ T1595] Modules linked in: vxlan
| [  179.641881][ T1595] Tainted: [W]=WARN
[  179.642114][ T1595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 179.642521][ T1595] 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) 
[ 179.642844][ T1595] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  179.643978][ T1595] RSP: 0018:ffffc900035b7080 EFLAGS: 00010246
[  179.644375][ T1595] RAX: 0000000000000000 RBX: ffff888012062000 RCX: 0000000000000001
[  179.644947][ T1595] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  179.645424][ T1595] RBP: ffffc900035b7168 R08: 0000000000000000 R09: 0000000000000000
[  179.645891][ T1595] R10: ffffc900035b7198 R11: ffffffff95f8d1e0 R12: 1ffff920006b6e14
[  179.646377][ T1595] R13: 00000000000005dc R14: ffffc900035b7198 R15: ffff888012062f48
[  179.646850][ T1595] FS:  00007fab398f0800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  179.647423][ T1595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  179.647810][ T1595] CR2: 00007fab399f0130 CR3: 000000000b6c4004 CR4: 0000000000772ef0
[  179.648282][ T1595] PKRU: 55555554
[  179.648511][ T1595] Call Trace:
[  179.648740][ T1595]  <TASK>
[ 179.648904][ T1595] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 179.649211][ T1595] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.649540][ T1595] netif_set_mtu (net/core/dev.c:9652) 
[ 179.649855][ T1595] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 179.650176][ T1595] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 179.650434][ T1595] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 179.650751][ T1595] br_add_if (net/bridge/br_if.c:697) 
[ 179.651000][ T1595] do_set_master (net/core/rtnetlink.c:2948) 
[ 179.651360][ T1595] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 179.651682][ T1595] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 179.652022][ T1595] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 179.652341][ T1595] ? __dev_get_by_name (net/core/dev.c:865) 
[ 179.652650][ T1595] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 179.652972][ T1595] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 179.653306][ T1595] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 179.653619][ T1595] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 179.653941][ T1595] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 179.654291][ T1595] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 179.654607][ T1595] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 179.654933][ T1595] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 179.655282][ T1595] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 179.655608][ T1595] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 179.655917][ T1595] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 179.656227][ T1595] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 179.656551][ T1595] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.656865][ T1595] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 179.657167][ T1595] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 179.657490][ T1595] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 179.657819][ T1595] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 179.658122][ T1595] ? 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) 
[ 179.658460][ T1595] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 179.658780][ T1595] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 179.659100][ T1595] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 179.659453][ T1595] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 179.659767][ T1595] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 179.660088][ T1595] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 179.660417][ T1595] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 179.660737][ T1595] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 179.661063][ T1595] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 179.661472][ T1595] ___sys_sendmsg (net/socket.c:2670) 
[ 179.661787][ T1595] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 179.662107][ T1595] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 179.662457][ T1595] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 179.662777][ T1595] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 179.663097][ T1595] ? __handle_mm_fault (mm/memory.c:6212) 
[ 179.663447][ T1595] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 179.663761][ T1595] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 179.664101][ T1595] __sys_sendmsg (net/socket.c:2700) 
[ 179.664420][ T1595] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 179.664737][ T1595] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 179.665055][ T1595] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 179.665576][ T1595] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 179.666064][ T1595] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 179.666594][ T1595] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  179.667276][ T1595] RIP: 0033:0x7fab39abd1e7
[ 179.667845][ T1595] 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)
[  179.669830][ T1595] RSP: 002b:00007ffdffc45718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  179.670686][ T1595] RAX: ffffffffffffffda RBX: 00007ffdffc45e50 RCX: 00007fab39abd1e7
[  179.671522][ T1595] RDX: 0000000000000000 RSI: 00007ffdffc45780 RDI: 0000000000000005
[  179.672369][ T1595] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  179.673183][ T1595] R10: 00007fab39b4bac0 R11: 0000000000000246 R12: 00007ffdffc45e88
[  179.674011][ T1595] R13: 00000000686e0a3b R14: 0000000000499600 R15: 00007ffdffc45870
| [  184.253068][ T1625] ------------[ cut here ]------------
| [ 184.253424][ T1625] WARNING: CPU: 2 PID: 1625 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) 
| [  184.254045][ T1625] Modules linked in: vxlan
| [  184.255075][ T1625] Tainted: [W]=WARN
[  184.255391][ T1625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.255814][ T1625] 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) 
[ 184.256159][ T1625] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  184.258005][ T1625] RSP: 0018:ffffc90003727080 EFLAGS: 00010246
[  184.258437][ T1625] RAX: 0000000000000000 RBX: ffff888011f9a000 RCX: 0000000000000001
[  184.258913][ T1625] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  184.259450][ T1625] RBP: ffffc90003727168 R08: 0000000000000000 R09: 0000000000000000
[  184.259932][ T1625] R10: ffffc90003727198 R11: ffffffff95f8d1e0 R12: 1ffff920006e4e14
[  184.260421][ T1625] R13: 00000000000005dc R14: ffffc90003727198 R15: ffff888011f9af48
[  184.260889][ T1625] FS:  00007fb056678800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  184.261475][ T1625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  184.261875][ T1625] CR2: 00007fb056863ba0 CR3: 0000000010543005 CR4: 0000000000772ef0
[  184.262371][ T1625] PKRU: 55555554
[  184.262618][ T1625] Call Trace:
[  184.262864][ T1625]  <TASK>
[ 184.263037][ T1625] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 184.263445][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.263803][ T1625] netif_set_mtu (net/core/dev.c:9652) 
[ 184.264136][ T1625] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 184.264488][ T1625] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 184.264737][ T1625] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 184.265071][ T1625] br_add_if (net/bridge/br_if.c:697) 
[ 184.265349][ T1625] do_set_master (net/core/rtnetlink.c:2948) 
[ 184.265668][ T1625] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 184.265990][ T1625] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 184.266324][ T1625] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 184.266643][ T1625] ? __dev_get_by_name (net/core/dev.c:865) 
[ 184.266962][ T1625] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 184.267345][ T1625] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 184.267687][ T1625] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 184.268005][ T1625] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 184.268346][ T1625] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 184.268677][ T1625] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 184.268999][ T1625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.269343][ T1625] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 184.269659][ T1625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 184.269980][ T1625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 184.270320][ T1625] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 184.270643][ T1625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.270965][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.271363][ T1625] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 184.271692][ T1625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 184.272011][ T1625] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 184.272364][ T1625] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 184.272706][ T1625] ? 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) 
[ 184.273036][ T1625] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 184.273371][ T1625] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 184.273688][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.274012][ T1625] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 184.274347][ T1625] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 184.274670][ T1625] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 184.275004][ T1625] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 184.275391][ T1625] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 184.275717][ T1625] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 184.276124][ T1625] ___sys_sendmsg (net/socket.c:2670) 
[ 184.276464][ T1625] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 184.276787][ T1625] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 184.277108][ T1625] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 184.277439][ T1625] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 184.277761][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 184.278083][ T1625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 184.278417][ T1625] __sys_sendmsg (net/socket.c:2700) 
[ 184.278733][ T1625] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 184.279065][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 184.279442][ T1625] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 184.279769][ T1625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  184.280171][ T1625] RIP: 0033:0x7fb0568451e7
[ 184.280514][ T1625] 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)
[  184.281645][ T1625] RSP: 002b:00007ffdf1e3e5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  184.282126][ T1625] RAX: ffffffffffffffda RBX: 00007ffdf1e3ed20 RCX: 00007fb0568451e7
[  184.282610][ T1625] RDX: 0000000000000000 RSI: 00007ffdf1e3e650 RDI: 0000000000000005
[  184.283080][ T1625] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  184.283605][ T1625] R10: 00007fb0568d3ac0 R11: 0000000000000246 R12: 00007ffdf1e3ed58
[  184.284073][ T1625] R13: 00000000686e0a3f R14: 0000000000499600 R15: 00007ffdf1e3e740
| [  205.636137][ T1797] ------------[ cut here ]------------
| [ 205.636528][ T1797] WARNING: CPU: 2 PID: 1797 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) 
| [  205.637198][ T1797] Modules linked in: vxlan
| [  205.638198][ T1797] Tainted: [W]=WARN
[  205.638478][ T1797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 205.638885][ T1797] 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) 
[ 205.639212][ T1797] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  205.640386][ T1797] RSP: 0018:ffffc90003c07080 EFLAGS: 00010246
[  205.640796][ T1797] RAX: 0000000000000000 RBX: ffff888009d0a000 RCX: 0000000000000001
[  205.641315][ T1797] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  205.641808][ T1797] RBP: ffffc90003c07168 R08: 0000000000000000 R09: 0000000000000000
[  205.642321][ T1797] R10: ffffc90003c07198 R11: ffffffff95f8d1e0 R12: 1ffff92000780e14
[  205.642811][ T1797] R13: 00000000000005dc R14: ffffc90003c07198 R15: ffff888009d0af48
[  205.643306][ T1797] FS:  00007f03896b7800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  205.643914][ T1797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  205.644343][ T1797] CR2: 000000000043d940 CR3: 00000000104ba006 CR4: 0000000000772ef0
[  205.644825][ T1797] PKRU: 55555554
[  205.645073][ T1797] Call Trace:
[  205.645330][ T1797]  <TASK>
[ 205.645506][ T1797] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 205.645841][ T1797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.646194][ T1797] netif_set_mtu (net/core/dev.c:9652) 
[ 205.646551][ T1797] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 205.646934][ T1797] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 205.647191][ T1797] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 205.647534][ T1797] br_add_if (net/bridge/br_if.c:697) 
[ 205.647837][ T1797] do_set_master (net/core/rtnetlink.c:2948) 
[ 205.648170][ T1797] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 205.648529][ T1797] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 205.648858][ T1797] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 205.649191][ T1797] ? __dev_get_by_name (net/core/dev.c:865) 
[ 205.649529][ T1797] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 205.649851][ T1797] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 205.650175][ T1797] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 205.650517][ T1797] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 205.650858][ T1797] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 205.651200][ T1797] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 205.651537][ T1797] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.651903][ T1797] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 205.652248][ T1797] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 205.652575][ T1797] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 205.652907][ T1797] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 205.653246][ T1797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.653581][ T1797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.653933][ T1797] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 205.654282][ T1797] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 205.654600][ T1797] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 205.654931][ T1797] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 205.655260][ T1797] ? 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) 
[ 205.655583][ T1797] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 205.655945][ T1797] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 205.656277][ T1797] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 205.656599][ T1797] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 205.656920][ T1797] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 205.657257][ T1797] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 205.657588][ T1797] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 205.657910][ T1797] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 205.658232][ T1797] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 205.658660][ T1797] ___sys_sendmsg (net/socket.c:2670) 
[ 205.658981][ T1797] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 205.659339][ T1797] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 205.659659][ T1797] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 205.660020][ T1797] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 205.660365][ T1797] ? __handle_mm_fault (mm/memory.c:6212) 
[ 205.660692][ T1797] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 205.661010][ T1797] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 205.661398][ T1797] __sys_sendmsg (net/socket.c:2700) 
[ 205.661734][ T1797] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 205.662053][ T1797] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 205.662422][ T1797] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 205.662761][ T1797] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 205.663104][ T1797] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 205.663473][ T1797] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  205.663924][ T1797] RIP: 0033:0x7f03898841e7
[ 205.664289][ T1797] 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)
[  205.665471][ T1797] RSP: 002b:00007fffe1cc16d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  205.665984][ T1797] RAX: ffffffffffffffda RBX: 00007fffe1cc1e10 RCX: 00007f03898841e7
[  205.666514][ T1797] RDX: 0000000000000000 RSI: 00007fffe1cc1740 RDI: 0000000000000005
[  205.667027][ T1797] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  205.667510][ T1797] R10: 00007f0389912ac0 R11: 0000000000000246 R12: 00007fffe1cc1e48
[  205.668017][ T1797] R13: 00000000686e0a55 R14: 0000000000499600 R15: 00007fffe1cc1830
| [  210.315745][ T1827] ------------[ cut here ]------------
| [ 210.316118][ T1827] WARNING: CPU: 2 PID: 1827 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) 
| [  210.316992][ T1827] Modules linked in: vxlan
| [  210.318328][ T1827] Tainted: [W]=WARN
[  210.318642][ T1827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 210.319575][ T1827] 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) 
[ 210.319990][ T1827] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  210.321519][ T1827] RSP: 0018:ffffc90003d87080 EFLAGS: 00010246
[  210.322273][ T1827] RAX: 0000000000000000 RBX: ffff888012062000 RCX: 0000000000000001
[  210.323010][ T1827] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  210.323745][ T1827] RBP: ffffc90003d87168 R08: 0000000000000000 R09: 0000000000000000
[  210.324397][ T1827] R10: ffffc90003d87198 R11: ffffffff95f8d1e0 R12: 1ffff920007b0e14
[  210.325178][ T1827] R13: 00000000000005dc R14: ffffc90003d87198 R15: ffff888012062f48
[  210.325782][ T1827] FS:  00007f388bb53800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  210.326697][ T1827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  210.327319][ T1827] CR2: 000000000043d940 CR3: 0000000011b9d002 CR4: 0000000000772ef0
[  210.328114][ T1827] PKRU: 55555554
[  210.328477][ T1827] Call Trace:
[  210.328727][ T1827]  <TASK>
[ 210.328956][ T1827] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 210.329411][ T1827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 210.329909][ T1827] netif_set_mtu (net/core/dev.c:9652) 
[ 210.330382][ T1827] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 210.330726][ T1827] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 210.331153][ T1827] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 210.331555][ T1827] br_add_if (net/bridge/br_if.c:697) 
[ 210.331823][ T1827] do_set_master (net/core/rtnetlink.c:2948) 
[ 210.332159][ T1827] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 210.332510][ T1827] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 210.332846][ T1827] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 210.333174][ T1827] ? __dev_get_by_name (net/core/dev.c:865) 
[ 210.333554][ T1827] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 210.333897][ T1827] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 210.334270][ T1827] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 210.334609][ T1827] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 210.334997][ T1827] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 210.335400][ T1827] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 210.335755][ T1827] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 210.336122][ T1827] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 210.336479][ T1827] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 210.336825][ T1827] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 210.337145][ T1827] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 210.337485][ T1827] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 210.337811][ T1827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 210.338141][ T1827] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 210.338493][ T1827] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 210.338840][ T1827] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 210.339184][ T1827] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 210.339531][ T1827] ? 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) 
[ 210.339884][ T1827] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 210.340226][ T1827] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 210.340580][ T1827] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 210.340925][ T1827] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 210.341369][ T1827] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 210.341744][ T1827] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 210.342379][ T1827] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 210.342958][ T1827] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 210.343343][ T1827] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 210.343750][ T1827] ___sys_sendmsg (net/socket.c:2670) 
[ 210.344069][ T1827] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 210.344408][ T1827] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 210.344750][ T1827] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 210.345067][ T1827] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 210.345400][ T1827] ? __handle_mm_fault (mm/memory.c:6212) 
[ 210.345733][ T1827] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 210.346046][ T1827] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 210.346417][ T1827] __sys_sendmsg (net/socket.c:2700) 
[ 210.346750][ T1827] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 210.347068][ T1827] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 210.347406][ T1827] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 210.347726][ T1827] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 210.348059][ T1827] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 210.348391][ T1827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  210.348783][ T1827] RIP: 0033:0x7f388bd201e7
[ 210.349130][ T1827] 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)
[  210.350312][ T1827] RSP: 002b:00007ffc3f5e5b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  210.350808][ T1827] RAX: ffffffffffffffda RBX: 00007ffc3f5e6290 RCX: 00007f388bd201e7
[  210.351363][ T1827] RDX: 0000000000000000 RSI: 00007ffc3f5e5bc0 RDI: 0000000000000005
[  210.351868][ T1827] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  210.352362][ T1827] R10: 00007f388bdaeac0 R11: 0000000000000246 R12: 00007ffc3f5e62c8
[  210.352845][ T1827] R13: 00000000686e0a59 R14: 0000000000499600 R15: 00007ffc3f5e5cb0
| [  218.272588][ T1893] ------------[ cut here ]------------
| [ 218.273150][ T1893] WARNING: CPU: 1 PID: 1893 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) 
| [  218.274218][ T1893] Modules linked in: vxlan
| [  218.276773][ T1893] Tainted: [W]=WARN
[  218.277194][ T1893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 218.277841][ T1893] 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) 
[ 218.278435][ T1893] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  218.280481][ T1893] RSP: 0018:ffffc90004047080 EFLAGS: 00010246
[  218.281219][ T1893] RAX: 0000000000000000 RBX: ffff88800b2f2000 RCX: 0000000000000001
[  218.282040][ T1893] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  218.282834][ T1893] RBP: ffffc90004047168 R08: 0000000000000000 R09: 0000000000000000
[  218.283624][ T1893] R10: ffffc90004047198 R11: ffffffff95f8d1e0 R12: 1ffff92000808e14
[  218.284429][ T1893] R13: 00000000000005dc R14: ffffc90004047198 R15: ffff88800b2f2f48
[  218.285255][ T1893] FS:  00007f65b8846800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  218.286196][ T1893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  218.286881][ T1893] CR2: 00007f65b8a31ba0 CR3: 00000000051cc001 CR4: 0000000000772ef0
[  218.287692][ T1893] PKRU: 55555554
[  218.288052][ T1893] Call Trace:
[  218.288325][ T1893]  <TASK>
[ 218.288486][ T1893] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 218.288800][ T1893] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.289127][ T1893] netif_set_mtu (net/core/dev.c:9652) 
[ 218.289449][ T1893] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 218.289768][ T1893] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 218.290000][ T1893] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 218.290351][ T1893] br_add_if (net/bridge/br_if.c:697) 
[ 218.290593][ T1893] do_set_master (net/core/rtnetlink.c:2948) 
[ 218.290915][ T1893] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 218.291272][ T1893] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 218.291580][ T1893] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 218.291879][ T1893] ? __dev_get_by_name (net/core/dev.c:865) 
[ 218.292362][ T1893] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 218.292872][ T1893] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 218.293198][ T1893] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 218.293511][ T1893] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 218.293831][ T1893] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 218.294159][ T1893] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 218.294476][ T1893] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.294804][ T1893] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 218.295114][ T1893] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 218.295437][ T1893] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 218.295743][ T1893] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 218.296048][ T1893] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.296485][ T1893] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.296804][ T1893] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 218.297117][ T1893] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 218.297435][ T1893] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 218.297760][ T1893] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 218.298068][ T1893] ? 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) 
[ 218.298394][ T1893] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 218.298702][ T1893] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 218.299013][ T1893] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.299343][ T1893] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 218.299649][ T1893] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 218.299955][ T1893] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 218.300403][ T1893] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 218.300710][ T1893] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 218.301015][ T1893] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 218.301448][ T1893] ___sys_sendmsg (net/socket.c:2670) 
[ 218.301755][ T1893] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 218.302064][ T1893] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.302393][ T1893] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 218.302706][ T1893] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 218.303011][ T1893] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 218.303349][ T1893] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 218.303658][ T1893] __sys_sendmsg (net/socket.c:2700) 
[ 218.303975][ T1893] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 218.304343][ T1893] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 218.304651][ T1893] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 218.304962][ T1893] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  218.305353][ T1893] RIP: 0033:0x7f65b8a131e7
[ 218.305682][ T1893] 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)
[  218.306769][ T1893] RSP: 002b:00007ffce3f975f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  218.307254][ T1893] RAX: ffffffffffffffda RBX: 00007ffce3f97d30 RCX: 00007f65b8a131e7
[  218.307706][ T1893] RDX: 0000000000000000 RSI: 00007ffce3f97660 RDI: 0000000000000005
[  218.308158][ T1893] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  218.308624][ T1893] R10: 00007f65b8aa1ac0 R11: 0000000000000246 R12: 00007ffce3f97d68
[  218.309079][ T1893] R13: 00000000686e0a61 R14: 0000000000499600 R15: 00007ffce3f97750
| [  222.751120][ T1923] ------------[ cut here ]------------
| [ 222.751794][ T1923] WARNING: CPU: 3 PID: 1923 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) 
| [  222.752446][ T1923] Modules linked in: vxlan
| [  222.753421][ T1923] Tainted: [W]=WARN
[  222.753662][ T1923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 222.754059][ T1923] 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) 
[ 222.754390][ T1923] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  222.755521][ T1923] RSP: 0018:ffffc90004197080 EFLAGS: 00010246
[  222.755920][ T1923] RAX: 0000000000000000 RBX: ffff88800e3ba000 RCX: 0000000000000001
[  222.756403][ T1923] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  222.756873][ T1923] RBP: ffffc90004197168 R08: 0000000000000000 R09: 0000000000000000
[  222.757349][ T1923] R10: ffffc90004197198 R11: ffffffff95f8d1e0 R12: 1ffff92000832e14
[  222.757820][ T1923] R13: 00000000000005dc R14: ffffc90004197198 R15: ffff88800e3baf48
[  222.758307][ T1923] FS:  00007fde39981800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  222.758850][ T1923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  222.759272][ T1923] CR2: 00007fde39a81130 CR3: 000000000c6c6006 CR4: 0000000000772ef0
[  222.759739][ T1923] PKRU: 55555554
[  222.759976][ T1923] Call Trace:
[  222.760216][ T1923]  <TASK>
[ 222.760387][ T1923] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 222.760703][ T1923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.761028][ T1923] netif_set_mtu (net/core/dev.c:9652) 
[ 222.761368][ T1923] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 222.761695][ T1923] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 222.761933][ T1923] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 222.762265][ T1923] br_add_if (net/bridge/br_if.c:697) 
[ 222.762517][ T1923] do_set_master (net/core/rtnetlink.c:2948) 
[ 222.762824][ T1923] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 222.763139][ T1923] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 222.763463][ T1923] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 222.763770][ T1923] ? __dev_get_by_name (net/core/dev.c:865) 
[ 222.764082][ T1923] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 222.764400][ T1923] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 222.764713][ T1923] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 222.765026][ T1923] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 222.765349][ T1923] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 222.765667][ T1923] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 222.765981][ T1923] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.766314][ T1923] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 222.766621][ T1923] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.766931][ T1923] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.767264][ T1923] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 222.767601][ T1923] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.767917][ T1923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.768233][ T1923] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 222.768559][ T1923] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.768870][ T1923] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 222.769193][ T1923] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 222.769524][ T1923] ? 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) 
[ 222.769835][ T1923] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 222.770148][ T1923] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 222.770466][ T1923] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.770788][ T1923] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 222.771132][ T1923] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 222.771455][ T1923] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 222.771776][ T1923] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 222.772099][ T1923] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 222.772418][ T1923] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 222.772817][ T1923] ___sys_sendmsg (net/socket.c:2670) 
[ 222.773131][ T1923] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 222.773448][ T1923] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 222.773764][ T1923] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 222.774083][ T1923] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 222.774410][ T1923] ? __handle_mm_fault (mm/memory.c:6212) 
[ 222.774753][ T1923] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 222.775057][ T1923] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 222.775394][ T1923] __sys_sendmsg (net/socket.c:2700) 
[ 222.775714][ T1923] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 222.776021][ T1923] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 222.776355][ T1923] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 222.776663][ T1923] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.776976][ T1923] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 222.777301][ T1923] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  222.777679][ T1923] RIP: 0033:0x7fde39b4e1e7
[ 222.777996][ T1923] 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)
[  222.779106][ T1923] RSP: 002b:00007ffdc7cda678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  222.779576][ T1923] RAX: ffffffffffffffda RBX: 00007ffdc7cdadb0 RCX: 00007fde39b4e1e7
[  222.780031][ T1923] RDX: 0000000000000000 RSI: 00007ffdc7cda6e0 RDI: 0000000000000005
[  222.780508][ T1923] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  222.780961][ T1923] R10: 00007fde39bdcac0 R11: 0000000000000246 R12: 00007ffdc7cdade8
[  222.781443][ T1923] R13: 00000000686e0a66 R14: 0000000000499600 R15: 00007ffdc7cda7d0
| [  243.752705][ T2097] ------------[ cut here ]------------
| [ 243.753058][ T2097] WARNING: CPU: 0 PID: 2097 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) 
| [  243.753722][ T2097] Modules linked in: vxlan
| [  243.755161][ T2097] Tainted: [W]=WARN
[  243.756635][ T2097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 243.757096][ T2097] 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) 
[ 243.757451][ T2097] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  243.758655][ T2097] RSP: 0018:ffffc90004697080 EFLAGS: 00010246
[  243.759082][ T2097] RAX: 0000000000000000 RBX: ffff8880112ca000 RCX: 0000000000000001
[  243.759588][ T2097] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  243.760090][ T2097] RBP: ffffc90004697168 R08: 0000000000000000 R09: 0000000000000000
[  243.760589][ T2097] R10: ffffc90004697198 R11: ffffffff95f8d1e0 R12: 1ffff920008d2e14
[  243.761091][ T2097] R13: 00000000000005dc R14: ffffc90004697198 R15: ffff8880112caf48
[  243.761612][ T2097] FS:  00007f95b219d800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  243.762196][ T2097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  243.762638][ T2097] CR2: 000000000043d940 CR3: 000000000ad4c006 CR4: 0000000000772ef0
[  243.763173][ T2097] PKRU: 55555554
[  243.763433][ T2097] Call Trace:
[  243.763680][ T2097]  <TASK>
[ 243.763853][ T2097] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 243.764208][ T2097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.764568][ T2097] netif_set_mtu (net/core/dev.c:9652) 
[ 243.764910][ T2097] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 243.765281][ T2097] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 243.765532][ T2097] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 243.765864][ T2097] br_add_if (net/bridge/br_if.c:697) 
[ 243.766134][ T2097] do_set_master (net/core/rtnetlink.c:2948) 
[ 243.766481][ T2097] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 243.766809][ T2097] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 243.767157][ T2097] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 243.767489][ T2097] ? __dev_get_by_name (net/core/dev.c:865) 
[ 243.767816][ T2097] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 243.768153][ T2097] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 243.768490][ T2097] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 243.768811][ T2097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 243.769166][ T2097] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 243.769517][ T2097] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 243.769855][ T2097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 243.770204][ T2097] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 243.770550][ T2097] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 243.770876][ T2097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 243.771230][ T2097] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 243.771573][ T2097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 243.771900][ T2097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.772258][ T2097] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 243.772593][ T2097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 243.772918][ T2097] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 243.773276][ T2097] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 243.773600][ T2097] ? 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) 
[ 243.773925][ T2097] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 243.774290][ T2097] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 243.774622][ T2097] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.774954][ T2097] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 243.775321][ T2097] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 243.775650][ T2097] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 243.775983][ T2097] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 243.776337][ T2097] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 243.776661][ T2097] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 243.777078][ T2097] ___sys_sendmsg (net/socket.c:2670) 
[ 243.777441][ T2097] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 243.777765][ T2097] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 243.778094][ T2097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 243.778457][ T2097] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 243.778790][ T2097] ? __handle_mm_fault (mm/memory.c:6212) 
[ 243.779116][ T2097] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 243.779473][ T2097] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 243.779822][ T2097] __sys_sendmsg (net/socket.c:2700) 
[ 243.780147][ T2097] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 243.780494][ T2097] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 243.780829][ T2097] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 243.781166][ T2097] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.781535][ T2097] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 243.781873][ T2097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  243.782297][ T2097] RIP: 0033:0x7f95b236a1e7
[ 243.782637][ T2097] 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)
[  243.783773][ T2097] RSP: 002b:00007ffc6a5aa528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  243.784266][ T2097] RAX: ffffffffffffffda RBX: 00007ffc6a5aac60 RCX: 00007f95b236a1e7
[  243.784744][ T2097] RDX: 0000000000000000 RSI: 00007ffc6a5aa590 RDI: 0000000000000005
[  243.785218][ T2097] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  243.785718][ T2097] R10: 00007f95b23f8ac0 R11: 0000000000000246 R12: 00007ffc6a5aac98
[  243.786192][ T2097] R13: 00000000686e0a7b R14: 0000000000499600 R15: 00007ffc6a5aa680
| [  248.430184][ T2127] ------------[ cut here ]------------
| [ 248.430550][ T2127] WARNING: CPU: 0 PID: 2127 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) 
| [  248.431228][ T2127] Modules linked in: vxlan
| [  248.432289][ T2127] Tainted: [W]=WARN
[  248.432546][ T2127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 248.432975][ T2127] 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) 
[ 248.434147][ T2127] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  248.435338][ T2127] RSP: 0018:ffffc90004477080 EFLAGS: 00010246
[  248.435762][ T2127] RAX: 0000000000000000 RBX: ffff88800b9b2000 RCX: 0000000000000001
[  248.436281][ T2127] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  248.436784][ T2127] RBP: ffffc90004477168 R08: 0000000000000000 R09: 0000000000000000
[  248.437291][ T2127] R10: ffffc90004477198 R11: ffffffff95f8d1e0 R12: 1ffff9200088ee14
[  248.437800][ T2127] R13: 00000000000005dc R14: ffffc90004477198 R15: ffff88800b9b2f48
[  248.438327][ T2127] FS:  00007fe4f5b24800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  248.438930][ T2127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  248.439357][ T2127] CR2: 00007fe4f5d7fb78 CR3: 000000000a13a006 CR4: 0000000000772ef0
[  248.439861][ T2127] PKRU: 55555554
[  248.440117][ T2127] Call Trace:
[  248.440409][ T2127]  <TASK>
[ 248.440586][ T2127] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 248.440931][ T2127] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.441306][ T2127] netif_set_mtu (net/core/dev.c:9652) 
[ 248.441643][ T2127] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 248.442006][ T2127] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 248.442275][ T2127] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 248.442619][ T2127] br_add_if (net/bridge/br_if.c:697) 
[ 248.442883][ T2127] do_set_master (net/core/rtnetlink.c:2948) 
[ 248.443220][ T2127] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 248.443577][ T2127] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 248.443916][ T2127] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 248.444274][ T2127] ? __dev_get_by_name (net/core/dev.c:865) 
[ 248.444619][ T2127] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 248.444954][ T2127] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 248.445305][ T2127] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 248.445638][ T2127] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 248.445984][ T2127] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 248.446344][ T2127] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 248.446691][ T2127] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.447038][ T2127] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 248.447396][ T2127] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.447734][ T2127] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.448065][ T2127] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 248.448423][ T2127] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.448774][ T2127] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.449115][ T2127] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 248.449458][ T2127] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.449792][ T2127] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 248.450145][ T2127] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 248.450487][ T2127] ? 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) 
[ 248.450823][ T2127] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 248.451179][ T2127] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 248.451528][ T2127] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.451855][ T2127] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 248.452177][ T2127] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 248.452549][ T2127] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 248.452898][ T2127] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 248.453253][ T2127] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 248.453598][ T2127] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 248.454026][ T2127] ___sys_sendmsg (net/socket.c:2670) 
[ 248.454376][ T2127] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 248.454712][ T2127] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 248.455051][ T2127] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 248.455400][ T2127] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 248.455743][ T2127] ? __handle_mm_fault (mm/memory.c:6212) 
[ 248.456087][ T2127] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 248.456433][ T2127] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 248.456779][ T2127] __sys_sendmsg (net/socket.c:2700) 
[ 248.457096][ T2127] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 248.457423][ T2127] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 248.457746][ T2127] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 248.458076][ T2127] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.458420][ T2127] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 248.458741][ T2127] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.459137][ T2127] RIP: 0033:0x7fe4f5cf11e7
[ 248.459487][ T2127] 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)
[  248.460716][ T2127] RSP: 002b:00007ffda34a31d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.461249][ T2127] RAX: ffffffffffffffda RBX: 00007ffda34a3910 RCX: 00007fe4f5cf11e7
[  248.461750][ T2127] RDX: 0000000000000000 RSI: 00007ffda34a3240 RDI: 0000000000000005
[  248.462260][ T2127] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  248.462775][ T2127] R10: 00007fe4f5d7fac0 R11: 0000000000000246 R12: 00007ffda34a3948
[  248.463264][ T2127] R13: 00000000686e0a7f R14: 0000000000499600 R15: 00007ffda34a3330
| [  256.480520][ T2192] ------------[ cut here ]------------
| [ 256.480902][ T2192] WARNING: CPU: 2 PID: 2192 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) 
| [  256.482577][ T2192] Modules linked in: vxlan
| [  256.483591][ T2192] Tainted: [W]=WARN
[  256.483840][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 256.484312][ T2192] 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) 
[ 256.484666][ T2192] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  256.485814][ T2192] RSP: 0018:ffffc90004887080 EFLAGS: 00010246
[  256.486219][ T2192] RAX: 0000000000000000 RBX: ffff88800960a000 RCX: 0000000000000001
[  256.486712][ T2192] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  256.487180][ T2192] RBP: ffffc90004887168 R08: 0000000000000000 R09: 0000000000000000
[  256.487696][ T2192] R10: ffffc90004887198 R11: ffffffff95f8d1e0 R12: 1ffff92000910e14
[  256.488193][ T2192] R13: 00000000000005dc R14: ffffc90004887198 R15: ffff88800960af48
[  256.488720][ T2192] FS:  00007ff7c584c800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  256.489295][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  256.489727][ T2192] CR2: 00007ff7c5a37ba0 CR3: 0000000011152002 CR4: 0000000000772ef0
[  256.490210][ T2192] PKRU: 55555554
[  256.490484][ T2192] Call Trace:
[  256.490778][ T2192]  <TASK>
[ 256.490953][ T2192] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 256.491317][ T2192] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.491661][ T2192] netif_set_mtu (net/core/dev.c:9652) 
[ 256.491984][ T2192] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 256.492352][ T2192] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 256.492611][ T2192] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 256.492940][ T2192] br_add_if (net/bridge/br_if.c:697) 
[ 256.493203][ T2192] do_set_master (net/core/rtnetlink.c:2948) 
[ 256.493533][ T2192] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 256.493874][ T2192] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 256.494201][ T2192] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 256.494554][ T2192] ? __dev_get_by_name (net/core/dev.c:865) 
[ 256.494888][ T2192] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 256.495221][ T2192] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 256.495567][ T2192] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 256.495889][ T2192] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 256.496212][ T2192] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 256.496564][ T2192] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 256.496891][ T2192] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 256.497219][ T2192] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 256.497545][ T2192] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 256.497865][ T2192] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 256.498189][ T2192] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 256.498520][ T2192] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 256.498847][ T2192] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.499167][ T2192] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 256.499496][ T2192] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 256.499817][ T2192] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 256.500146][ T2192] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 256.500489][ T2192] ? 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) 
[ 256.500812][ T2192] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 256.501129][ T2192] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 256.501472][ T2192] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.501793][ T2192] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 256.502114][ T2192] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 256.502439][ T2192] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 256.502773][ T2192] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 256.503107][ T2192] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 256.503433][ T2192] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 256.503837][ T2192] ___sys_sendmsg (net/socket.c:2670) 
[ 256.504158][ T2192] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 256.504500][ T2192] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 256.504826][ T2192] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 256.505146][ T2192] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 256.505477][ T2192] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 256.505802][ T2192] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 256.506125][ T2192] __sys_sendmsg (net/socket.c:2700) 
[ 256.506451][ T2192] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 256.506785][ T2192] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 256.507105][ T2192] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 256.507458][ T2192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  256.507857][ T2192] RIP: 0033:0x7ff7c5a191e7
[ 256.508181][ T2192] 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)
[  256.509315][ T2192] RSP: 002b:00007ffcf33e0ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  256.509811][ T2192] RAX: ffffffffffffffda RBX: 00007ffcf33e1220 RCX: 00007ff7c5a191e7
[  256.510306][ T2192] RDX: 0000000000000000 RSI: 00007ffcf33e0b50 RDI: 0000000000000005
[  256.510805][ T2192] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  256.511310][ T2192] R10: 00007ff7c5aa7ac0 R11: 0000000000000246 R12: 00007ffcf33e1258
[  256.511801][ T2192] R13: 00000000686e0a88 R14: 0000000000499600 R15: 00007ffcf33e0c40
| [  261.050040][ T2222] ------------[ cut here ]------------
| [ 261.050376][ T2222] WARNING: CPU: 0 PID: 2222 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) 
| [  261.050974][ T2222] Modules linked in: vxlan
| [  261.051971][ T2222] Tainted: [W]=WARN
[  261.052205][ T2222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 261.052593][ T2222] 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) 
[ 261.052911][ T2222] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  261.054001][ T2222] RSP: 0018:ffffc90004ae7080 EFLAGS: 00010246
[  261.054410][ T2222] RAX: 0000000000000000 RBX: ffff88800bb62000 RCX: 0000000000000001
[  261.054920][ T2222] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  261.055398][ T2222] RBP: ffffc90004ae7168 R08: 0000000000000000 R09: 0000000000000000
[  261.055883][ T2222] R10: ffffc90004ae7198 R11: ffffffff95f8d1e0 R12: 1ffff9200095ce14
[  261.057115][ T2222] R13: 00000000000005dc R14: ffffc90004ae7198 R15: ffff88800bb62f48
[  261.057592][ T2222] FS:  00007fe35a037800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  261.058123][ T2222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  261.058519][ T2222] CR2: 00007fe35a222ba0 CR3: 00000000122ad006 CR4: 0000000000772ef0
[  261.058979][ T2222] PKRU: 55555554
[  261.059207][ T2222] Call Trace:
[  261.059474][ T2222]  <TASK>
[ 261.059660][ T2222] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 261.059987][ T2222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 261.060313][ T2222] netif_set_mtu (net/core/dev.c:9652) 
[ 261.060618][ T2222] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 261.060935][ T2222] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 261.061175][ T2222] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 261.061494][ T2222] br_add_if (net/bridge/br_if.c:697) 
[ 261.061736][ T2222] do_set_master (net/core/rtnetlink.c:2948) 
[ 261.062043][ T2222] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 261.062369][ T2222] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 261.062676][ T2222] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 261.062977][ T2222] ? __dev_get_by_name (net/core/dev.c:865) 
[ 261.063319][ T2222] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 261.063650][ T2222] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 261.063986][ T2222] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 261.064295][ T2222] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 261.064610][ T2222] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 261.064925][ T2222] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 261.065247][ T2222] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 261.065566][ T2222] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 261.065868][ T2222] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 261.066178][ T2222] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 261.066491][ T2222] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 261.066802][ T2222] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 261.067111][ T2222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 261.067445][ T2222] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 261.067772][ T2222] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 261.068080][ T2222] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 261.068405][ T2222] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 261.068708][ T2222] ? 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) 
[ 261.069023][ T2222] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 261.069337][ T2222] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 261.069640][ T2222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 261.069950][ T2222] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 261.070273][ T2222] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 261.070578][ T2222] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 261.070889][ T2222] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 261.071205][ T2222] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 261.071533][ T2222] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 261.071949][ T2222] ___sys_sendmsg (net/socket.c:2670) 
[ 261.072267][ T2222] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 261.072573][ T2222] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 261.072879][ T2222] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 261.073180][ T2222] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 261.073498][ T2222] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 261.073808][ T2222] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 261.074116][ T2222] __sys_sendmsg (net/socket.c:2700) 
[ 261.074433][ T2222] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 261.074749][ T2222] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 261.075054][ T2222] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 261.075381][ T2222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  261.075777][ T2222] RIP: 0033:0x7fe35a2041e7
[ 261.076092][ T2222] 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)
[  261.077245][ T2222] RSP: 002b:00007ffeed6264b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  261.077730][ T2222] RAX: ffffffffffffffda RBX: 00007ffeed626bf0 RCX: 00007fe35a2041e7
[  261.078208][ T2222] RDX: 0000000000000000 RSI: 00007ffeed626520 RDI: 0000000000000005
[  261.078700][ T2222] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  261.079179][ T2222] R10: 00007fe35a292ac0 R11: 0000000000000246 R12: 00007ffeed626c28
[  261.079679][ T2222] R13: 00000000686e0a8c R14: 0000000000499600 R15: 00007ffeed626610
| [  281.292596][ T2395] ------------[ cut here ]------------
| [ 281.292941][ T2395] WARNING: CPU: 2 PID: 2395 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) 
| [  281.294823][ T2395] Modules linked in: vxlan
| [  281.295879][ T2395] Tainted: [W]=WARN
[  281.296146][ T2395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 281.296595][ T2395] 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) 
[ 281.296949][ T2395] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  281.298133][ T2395] RSP: 0018:ffffc90005007080 EFLAGS: 00010246
[  281.298600][ T2395] RAX: 0000000000000000 RBX: ffff88800e1f2000 RCX: 0000000000000001
[  281.299152][ T2395] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  281.299677][ T2395] RBP: ffffc90005007168 R08: 0000000000000000 R09: 0000000000000000
[  281.300173][ T2395] R10: ffffc90005007198 R11: ffffffff95f8d1e0 R12: 1ffff92000a00e14
[  281.300683][ T2395] R13: 00000000000005dc R14: ffffc90005007198 R15: ffff88800e1f2f48
[  281.301171][ T2395] FS:  00007f62a9d8c800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  281.301831][ T2395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  281.302232][ T2395] CR2: 000000000043d940 CR3: 000000000cb00001 CR4: 0000000000772ef0
[  281.302714][ T2395] PKRU: 55555554
[  281.302989][ T2395] Call Trace:
[  281.303232][ T2395]  <TASK>
[ 281.303416][ T2395] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 281.303742][ T2395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.304071][ T2395] netif_set_mtu (net/core/dev.c:9652) 
[ 281.304417][ T2395] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 281.304752][ T2395] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 281.304993][ T2395] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 281.305326][ T2395] br_add_if (net/bridge/br_if.c:697) 
[ 281.305578][ T2395] do_set_master (net/core/rtnetlink.c:2948) 
[ 281.305891][ T2395] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 281.306209][ T2395] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 281.306543][ T2395] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 281.306899][ T2395] ? __dev_get_by_name (net/core/dev.c:865) 
[ 281.307220][ T2395] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 281.307551][ T2395] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 281.307879][ T2395] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 281.308193][ T2395] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 281.308541][ T2395] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 281.308870][ T2395] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 281.309195][ T2395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 281.309534][ T2395] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 281.309847][ T2395] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 281.310170][ T2395] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 281.310497][ T2395] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 281.310853][ T2395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 281.311188][ T2395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.311526][ T2395] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 281.311848][ T2395] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 281.312168][ T2395] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 281.312519][ T2395] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 281.312835][ T2395] ? 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) 
[ 281.313154][ T2395] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 281.313483][ T2395] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 281.313798][ T2395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 281.314162][ T2395] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 281.314493][ T2395] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 281.314859][ T2395] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 281.315190][ T2395] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 281.315534][ T2395] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 281.315858][ T2395] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 281.316288][ T2395] ___sys_sendmsg (net/socket.c:2670) 
[ 281.316611][ T2395] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 281.316932][ T2395] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 281.317268][ T2395] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 281.317590][ T2395] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 281.317936][ T2395] ? __handle_mm_fault (mm/memory.c:6212) 
[ 281.318266][ T2395] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 281.318583][ T2395] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 281.318959][ T2395] __sys_sendmsg (net/socket.c:2700) 
[ 281.319294][ T2395] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 281.319618][ T2395] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 281.319944][ T2395] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 281.320291][ T2395] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 281.320610][ T2395] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 281.320930][ T2395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  281.321354][ T2395] RIP: 0033:0x7f62a9f591e7
[ 281.321683][ T2395] 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)
[  281.322816][ T2395] RSP: 002b:00007fffaf9f6128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  281.323307][ T2395] RAX: ffffffffffffffda RBX: 00007fffaf9f6860 RCX: 00007f62a9f591e7
[  281.323777][ T2395] RDX: 0000000000000000 RSI: 00007fffaf9f6190 RDI: 0000000000000005
[  281.324265][ T2395] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  281.324732][ T2395] R10: 00007f62a9fe7ac0 R11: 0000000000000246 R12: 00007fffaf9f6898
[  281.325253][ T2395] R13: 00000000686e0aa0 R14: 0000000000499600 R15: 00007fffaf9f6280
| [  286.075666][ T2425] ------------[ cut here ]------------
| [ 286.076033][ T2425] WARNING: CPU: 2 PID: 2425 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) 
| [  286.077225][ T2425] Modules linked in: vxlan
| [  286.078271][ T2425] Tainted: [W]=WARN
[  286.078527][ T2425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 286.078954][ T2425] 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) 
[ 286.079409][ T2425] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  286.080588][ T2425] RSP: 0018:ffffc90004f87080 EFLAGS: 00010246
[  286.080996][ T2425] RAX: 0000000000000000 RBX: ffff88800960a000 RCX: 0000000000000001
[  286.081536][ T2425] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  286.082019][ T2425] RBP: ffffc90004f87168 R08: 0000000000000000 R09: 0000000000000000
[  286.082553][ T2425] R10: ffffc90004f87198 R11: ffffffff95f8d1e0 R12: 1ffff920009f0e14
[  286.083052][ T2425] R13: 00000000000005dc R14: ffffc90004f87198 R15: ffff88800960af48
[  286.083584][ T2425] FS:  00007f9bc564d800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  286.084176][ T2425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  286.084608][ T2425] CR2: 000000000043d940 CR3: 000000000ad79002 CR4: 0000000000772ef0
[  286.085113][ T2425] PKRU: 55555554
[  286.085384][ T2425] Call Trace:
[  286.085641][ T2425]  <TASK>
[ 286.085823][ T2425] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 286.086187][ T2425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 286.086552][ T2425] netif_set_mtu (net/core/dev.c:9652) 
[ 286.086893][ T2425] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 286.087307][ T2425] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 286.087568][ T2425] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 286.087898][ T2425] br_add_if (net/bridge/br_if.c:697) 
[ 286.088163][ T2425] do_set_master (net/core/rtnetlink.c:2948) 
[ 286.088531][ T2425] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 286.088866][ T2425] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 286.089201][ T2425] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 286.089533][ T2425] ? __dev_get_by_name (net/core/dev.c:865) 
[ 286.089858][ T2425] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 286.090191][ T2425] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 286.090525][ T2425] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 286.090852][ T2425] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 286.091276][ T2425] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 286.091629][ T2425] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 286.091966][ T2425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 286.092335][ T2425] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 286.092665][ T2425] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 286.093001][ T2425] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 286.093366][ T2425] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 286.093704][ T2425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 286.094048][ T2425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 286.094416][ T2425] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 286.094754][ T2425] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 286.095101][ T2425] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 286.095475][ T2425] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 286.095810][ T2425] ? 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) 
[ 286.096178][ T2425] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 286.096539][ T2425] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 286.096860][ T2425] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 286.097202][ T2425] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 286.097540][ T2425] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 286.097857][ T2425] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 286.098207][ T2425] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 286.098542][ T2425] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 286.098869][ T2425] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 286.099312][ T2425] ___sys_sendmsg (net/socket.c:2670) 
[ 286.099632][ T2425] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 286.099948][ T2425] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 286.100289][ T2425] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 286.100607][ T2425] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 286.100938][ T2425] ? __handle_mm_fault (mm/memory.c:6212) 
[ 286.101301][ T2425] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 286.101618][ T2425] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 286.101959][ T2425] __sys_sendmsg (net/socket.c:2700) 
[ 286.102302][ T2425] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 286.102646][ T2425] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 286.102976][ T2425] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 286.103357][ T2425] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 286.103681][ T2425] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 286.104011][ T2425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  286.104426][ T2425] RIP: 0033:0x7f9bc581a1e7
[ 286.104757][ T2425] 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)
[  286.105906][ T2425] RSP: 002b:00007ffe2dc803a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  286.106419][ T2425] RAX: ffffffffffffffda RBX: 00007ffe2dc80ae0 RCX: 00007f9bc581a1e7
[  286.106890][ T2425] RDX: 0000000000000000 RSI: 00007ffe2dc80410 RDI: 0000000000000005
[  286.107384][ T2425] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  286.107885][ T2425] R10: 00007f9bc58a8ac0 R11: 0000000000000246 R12: 00007ffe2dc80b18
[  286.108363][ T2425] R13: 00000000686e0aa5 R14: 0000000000499600 R15: 00007ffe2dc80500
| [  293.970388][ T2491] ------------[ cut here ]------------
| [ 293.970769][ T2491] WARNING: CPU: 2 PID: 2491 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) 
| [  293.971457][ T2491] Modules linked in: vxlan
| [  293.972481][ T2491] Tainted: [W]=WARN
[  293.972747][ T2491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 293.973161][ T2491] 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) 
[ 293.973523][ T2491] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  293.974728][ T2491] RSP: 0018:ffffc90005437080 EFLAGS: 00010246
[  293.975151][ T2491] RAX: 0000000000000000 RBX: ffff888006232000 RCX: 0000000000000001
[  293.975655][ T2491] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  293.976156][ T2491] RBP: ffffc90005437168 R08: 0000000000000000 R09: 0000000000000000
[  293.976667][ T2491] R10: ffffc90005437198 R11: ffffffff95f8d1e0 R12: 1ffff92000a86e14
[  293.977160][ T2491] R13: 00000000000005dc R14: ffffc90005437198 R15: ffff888006232f48
[  293.977665][ T2491] FS:  00007fa883d74800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  293.978258][ T2491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  293.978685][ T2491] CR2: 00007fa883f5fba0 CR3: 0000000011b66004 CR4: 0000000000772ef0
[  293.979182][ T2491] PKRU: 55555554
[  293.979451][ T2491] Call Trace:
[  293.979706][ T2491]  <TASK>
[ 293.979887][ T2491] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 293.980227][ T2491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 293.980599][ T2491] netif_set_mtu (net/core/dev.c:9652) 
[ 293.980939][ T2491] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 293.981310][ T2491] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 293.981559][ T2491] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 293.981889][ T2491] br_add_if (net/bridge/br_if.c:697) 
[ 293.982145][ T2491] do_set_master (net/core/rtnetlink.c:2948) 
[ 293.982498][ T2491] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 293.982822][ T2491] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 293.983146][ T2491] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 293.983485][ T2491] ? __dev_get_by_name (net/core/dev.c:865) 
[ 293.983805][ T2491] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 293.984123][ T2491] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 293.984461][ T2491] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 293.984825][ T2491] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 293.985155][ T2491] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 293.985510][ T2491] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 293.985855][ T2491] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 293.986202][ T2491] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 293.986547][ T2491] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 293.986870][ T2491] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 293.987188][ T2491] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 293.987519][ T2491] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 293.987842][ T2491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 293.988163][ T2491] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 293.988531][ T2491] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 293.988862][ T2491] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 293.989192][ T2491] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 293.989526][ T2491] ? 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) 
[ 293.989849][ T2491] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 293.990174][ T2491] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 293.990525][ T2491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 293.990869][ T2491] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 293.991227][ T2491] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 293.991563][ T2491] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 293.991891][ T2491] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 293.992213][ T2491] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 293.992581][ T2491] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 293.992987][ T2491] ___sys_sendmsg (net/socket.c:2670) 
[ 293.993325][ T2491] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 293.993654][ T2491] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 293.993975][ T2491] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 293.994315][ T2491] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 293.994637][ T2491] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 293.994962][ T2491] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 293.995295][ T2491] __sys_sendmsg (net/socket.c:2700) 
[ 293.995613][ T2491] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 293.995951][ T2491] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 293.996286][ T2491] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 293.996605][ T2491] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  293.997189][ T2491] RIP: 0033:0x7fa883f411e7
[ 293.997768][ T2491] 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)
[  293.999641][ T2491] RSP: 002b:00007ffd275bebc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  294.000508][ T2491] RAX: ffffffffffffffda RBX: 00007ffd275bf300 RCX: 00007fa883f411e7
[  294.001421][ T2491] RDX: 0000000000000000 RSI: 00007ffd275bec30 RDI: 0000000000000005
[  294.002228][ T2491] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  294.003097][ T2491] R10: 00007fa883fcfac0 R11: 0000000000000246 R12: 00007ffd275bf338
[  294.003972][ T2491] R13: 00000000686e0aad R14: 0000000000499600 R15: 00007ffd275bed20
| [  298.674000][ T2521] ------------[ cut here ]------------
| [ 298.675123][ T2521] WARNING: CPU: 1 PID: 2521 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) 
| [  298.675765][ T2521] Modules linked in: vxlan
| [  298.676754][ T2521] Tainted: [W]=WARN
[  298.676995][ T2521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 298.677417][ T2521] 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) 
[ 298.677746][ T2521] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  298.678910][ T2521] RSP: 0018:ffffc900055a7080 EFLAGS: 00010246
[  298.679322][ T2521] RAX: 0000000000000000 RBX: ffff88800eaba000 RCX: 0000000000000001
[  298.679796][ T2521] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  298.680293][ T2521] RBP: ffffc900055a7168 R08: 0000000000000000 R09: 0000000000000000
[  298.680769][ T2521] R10: ffffc900055a7198 R11: ffffffff95f8d1e0 R12: 1ffff92000ab4e14
[  298.681291][ T2521] R13: 00000000000005dc R14: ffffc900055a7198 R15: ffff88800eabaf48
[  298.681782][ T2521] FS:  00007fde89c1b800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  298.682354][ T2521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  298.682769][ T2521] CR2: 00007fde89e06ba0 CR3: 000000000c6c1005 CR4: 0000000000772ef0
[  298.683286][ T2521] PKRU: 55555554
[  298.683523][ T2521] Call Trace:
[  298.683766][ T2521]  <TASK>
[ 298.683937][ T2521] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 298.684274][ T2521] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.684605][ T2521] netif_set_mtu (net/core/dev.c:9652) 
[ 298.685022][ T2521] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 298.685384][ T2521] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 298.685640][ T2521] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 298.685964][ T2521] br_add_if (net/bridge/br_if.c:697) 
[ 298.686218][ T2521] do_set_master (net/core/rtnetlink.c:2948) 
[ 298.686564][ T2521] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 298.686888][ T2521] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 298.687206][ T2521] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 298.687538][ T2521] ? __dev_get_by_name (net/core/dev.c:865) 
[ 298.687866][ T2521] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 298.688183][ T2521] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 298.688517][ T2521] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 298.688833][ T2521] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 298.689156][ T2521] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 298.689510][ T2521] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 298.689835][ T2521] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 298.690165][ T2521] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 298.690505][ T2521] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 298.690826][ T2521] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 298.691143][ T2521] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 298.691492][ T2521] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 298.691815][ T2521] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.692140][ T2521] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 298.692471][ T2521] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 298.692790][ T2521] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 298.693139][ T2521] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 298.693481][ T2521] ? 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) 
[ 298.693805][ T2521] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 298.694145][ T2521] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 298.694482][ T2521] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.694831][ T2521] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 298.695166][ T2521] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 298.695519][ T2521] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 298.695846][ T2521] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 298.696176][ T2521] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 298.696503][ T2521] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 298.696910][ T2521] ___sys_sendmsg (net/socket.c:2670) 
[ 298.697230][ T2521] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 298.697605][ T2521] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 298.697943][ T2521] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 298.698274][ T2521] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 298.698618][ T2521] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 298.698947][ T2521] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 298.699289][ T2521] __sys_sendmsg (net/socket.c:2700) 
[ 298.699610][ T2521] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 298.699941][ T2521] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 298.700307][ T2521] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 298.700633][ T2521] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  298.701036][ T2521] RIP: 0033:0x7fde89de81e7
[ 298.701409][ T2521] 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)
[  298.702603][ T2521] RSP: 002b:00007ffce83c9f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  298.703103][ T2521] RAX: ffffffffffffffda RBX: 00007ffce83ca6a0 RCX: 00007fde89de81e7
[  298.703590][ T2521] RDX: 0000000000000000 RSI: 00007ffce83c9fd0 RDI: 0000000000000005
[  298.704095][ T2521] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  298.704629][ T2521] R10: 00007fde89e76ac0 R11: 0000000000000246 R12: 00007ffce83ca6d8
[  298.705123][ T2521] R13: 00000000686e0ab2 R14: 0000000000499600 R15: 00007ffce83ca0c0
| [  319.635336][ T2694] ------------[ cut here ]------------
| [ 319.635699][ T2694] WARNING: CPU: 3 PID: 2694 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) 
| [  319.636348][ T2694] Modules linked in: vxlan
| [  319.637356][ T2694] Tainted: [W]=WARN
[  319.637613][ T2694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 319.638020][ T2694] 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) 
[ 319.638355][ T2694] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  319.639514][ T2694] RSP: 0018:ffffc90005aa7080 EFLAGS: 00010246
[  319.639926][ T2694] RAX: 0000000000000000 RBX: ffff88801204a000 RCX: 0000000000000001
[  319.640419][ T2694] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  319.640930][ T2694] RBP: ffffc90005aa7168 R08: 0000000000000000 R09: 0000000000000000
[  319.641472][ T2694] R10: ffffc90005aa7198 R11: ffffffff95f8d1e0 R12: 1ffff92000b54e14
[  319.641959][ T2694] R13: 00000000000005dc R14: ffffc90005aa7198 R15: ffff88801204af48
[  319.642461][ T2694] FS:  00007f1742fa2800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  319.643027][ T2694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  319.643455][ T2694] CR2: 00007fa903773350 CR3: 0000000005463006 CR4: 0000000000772ef0
[  319.643952][ T2694] PKRU: 55555554
[  319.644203][ T2694] Call Trace:
[  319.644455][ T2694]  <TASK>
[ 319.644627][ T2694] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 319.644962][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.645317][ T2694] netif_set_mtu (net/core/dev.c:9652) 
[ 319.645644][ T2694] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 319.645985][ T2694] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 319.646248][ T2694] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 319.646581][ T2694] br_add_if (net/bridge/br_if.c:697) 
[ 319.646841][ T2694] do_set_master (net/core/rtnetlink.c:2948) 
[ 319.647164][ T2694] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 319.647501][ T2694] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 319.647848][ T2694] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 319.648192][ T2694] ? __dev_get_by_name (net/core/dev.c:865) 
[ 319.648535][ T2694] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 319.648866][ T2694] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 319.649192][ T2694] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 319.649523][ T2694] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 319.649850][ T2694] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 319.650185][ T2694] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 319.650527][ T2694] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 319.650873][ T2694] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 319.651193][ T2694] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 319.651541][ T2694] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 319.651865][ T2694] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 319.652188][ T2694] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 319.652524][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.652874][ T2694] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 319.653206][ T2694] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 319.653545][ T2694] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 319.653898][ T2694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 319.654219][ T2694] ? 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) 
[ 319.654561][ T2694] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 319.654901][ T2694] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 319.655259][ T2694] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 319.655610][ T2694] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 319.655995][ T2694] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 319.656346][ T2694] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 319.656685][ T2694] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 319.657047][ T2694] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 319.657389][ T2694] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 319.657837][ T2694] ___sys_sendmsg (net/socket.c:2670) 
[ 319.658197][ T2694] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 319.658531][ T2694] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 319.658858][ T2694] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 319.659190][ T2694] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 319.659527][ T2694] ? __handle_mm_fault (mm/memory.c:6212) 
[ 319.659846][ T2694] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 319.660176][ T2694] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 319.660529][ T2694] __sys_sendmsg (net/socket.c:2700) 
[ 319.660855][ T2694] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 319.661181][ T2694] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 319.661536][ T2694] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 319.661860][ T2694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 319.662219][ T2694] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 319.662553][ T2694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  319.662974][ T2694] RIP: 0033:0x7f174316f1e7
[ 319.663319][ T2694] 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)
[  319.664479][ T2694] RSP: 002b:00007ffdc653f358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  319.664970][ T2694] RAX: ffffffffffffffda RBX: 00007ffdc653fa90 RCX: 00007f174316f1e7
[  319.665470][ T2694] RDX: 0000000000000000 RSI: 00007ffdc653f3c0 RDI: 0000000000000005
[  319.665952][ T2694] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  319.666458][ T2694] R10: 00007f17431fdac0 R11: 0000000000000246 R12: 00007ffdc653fac8
[  319.666939][ T2694] R13: 00000000686e0ac7 R14: 0000000000499600 R15: 00007ffdc653f4b0
| [  324.162267][ T2724] ------------[ cut here ]------------
| [ 324.162590][ T2724] WARNING: CPU: 3 PID: 2724 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) 
| [  324.163208][ T2724] Modules linked in: vxlan
| [  324.164899][ T2724] Tainted: [W]=WARN
[  324.165137][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 324.165544][ T2724] 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) 
[ 324.165863][ T2724] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  324.167018][ T2724] RSP: 0018:ffffc900059f7080 EFLAGS: 00010246
[  324.167462][ T2724] RAX: 0000000000000000 RBX: ffff888006232000 RCX: 0000000000000001
[  324.167966][ T2724] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  324.168465][ T2724] RBP: ffffc900059f7168 R08: 0000000000000000 R09: 0000000000000000
[  324.168950][ T2724] R10: ffffc900059f7198 R11: ffffffff95f8d1e0 R12: 1ffff92000b3ee14
[  324.169448][ T2724] R13: 00000000000005dc R14: ffffc900059f7198 R15: ffff888006232f48
[  324.169936][ T2724] FS:  00007ff84fe3e800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  324.170510][ T2724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  324.170919][ T2724] CR2: 000000000043d940 CR3: 0000000011eb1002 CR4: 0000000000772ef0
[  324.171435][ T2724] PKRU: 55555554
[  324.171686][ T2724] Call Trace:
[  324.171934][ T2724]  <TASK>
[ 324.172103][ T2724] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 324.172463][ T2724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 324.172805][ T2724] netif_set_mtu (net/core/dev.c:9652) 
[ 324.173131][ T2724] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 324.173492][ T2724] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 324.173749][ T2724] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 324.174095][ T2724] br_add_if (net/bridge/br_if.c:697) 
[ 324.174361][ T2724] do_set_master (net/core/rtnetlink.c:2948) 
[ 324.174685][ T2724] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 324.175028][ T2724] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 324.175377][ T2724] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 324.175702][ T2724] ? __dev_get_by_name (net/core/dev.c:865) 
[ 324.176041][ T2724] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 324.176373][ T2724] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 324.176714][ T2724] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 324.177036][ T2724] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 324.177383][ T2724] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 324.177720][ T2724] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 324.178047][ T2724] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 324.178390][ T2724] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 324.178712][ T2724] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 324.179037][ T2724] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 324.179368][ T2724] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 324.179705][ T2724] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 324.180028][ T2724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 324.180362][ T2724] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 324.180686][ T2724] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 324.181014][ T2724] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 324.181366][ T2724] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 324.181689][ T2724] ? 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) 
[ 324.182016][ T2724] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 324.182350][ T2724] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 324.182674][ T2724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 324.183000][ T2724] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 324.183332][ T2724] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 324.183656][ T2724] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 324.183996][ T2724] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 324.184325][ T2724] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 324.184633][ T2724] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 324.185024][ T2724] ___sys_sendmsg (net/socket.c:2670) 
[ 324.185350][ T2724] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 324.185657][ T2724] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 324.185965][ T2724] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 324.186273][ T2724] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 324.186602][ T2724] ? __handle_mm_fault (mm/memory.c:6212) 
[ 324.186922][ T2724] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 324.187250][ T2724] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 324.187599][ T2724] __sys_sendmsg (net/socket.c:2700) 
[ 324.187918][ T2724] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 324.188246][ T2724] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 324.188587][ T2724] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 324.188911][ T2724] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 324.189233][ T2724] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 324.189552][ T2724] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  324.189946][ T2724] RIP: 0033:0x7ff85000b1e7
[ 324.190283][ T2724] 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)
[  324.191437][ T2724] RSP: 002b:00007ffcf5a99178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  324.191902][ T2724] RAX: ffffffffffffffda RBX: 00007ffcf5a998b0 RCX: 00007ff85000b1e7
[  324.192380][ T2724] RDX: 0000000000000000 RSI: 00007ffcf5a991e0 RDI: 0000000000000005
[  324.192845][ T2724] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  324.193327][ T2724] R10: 00007ff850099ac0 R11: 0000000000000246 R12: 00007ffcf5a998e8
[  324.193797][ T2724] R13: 00000000686e0acb R14: 0000000000499600 R15: 00007ffcf5a992d0
| [  331.680570][ T2790] ------------[ cut here ]------------
| [ 331.680891][ T2790] WARNING: CPU: 3 PID: 2790 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) 
| [  331.682747][ T2790] Modules linked in: vxlan
| [  331.683732][ T2790] Tainted: [W]=WARN
[  331.683967][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 331.684382][ T2790] 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) 
[ 331.684714][ T2790] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  331.685844][ T2790] RSP: 0018:ffffc90005ea7080 EFLAGS: 00010246
[  331.686249][ T2790] RAX: 0000000000000000 RBX: ffff8880093aa000 RCX: 0000000000000001
[  331.686718][ T2790] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  331.687181][ T2790] RBP: ffffc90005ea7168 R08: 0000000000000000 R09: 0000000000000000
[  331.687665][ T2790] R10: ffffc90005ea7198 R11: ffffffff95f8d1e0 R12: 1ffff92000bd4e14
[  331.688123][ T2790] R13: 00000000000005dc R14: ffffc90005ea7198 R15: ffff8880093aaf48
[  331.688629][ T2790] FS:  00007f786466c800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  331.689177][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  331.689592][ T2790] CR2: 00007f7864857ba0 CR3: 000000000bd88002 CR4: 0000000000772ef0
[  331.690067][ T2790] PKRU: 55555554
[  331.690310][ T2790] Call Trace:
[  331.690537][ T2790]  <TASK>
[ 331.690709][ T2790] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 331.691016][ T2790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.691372][ T2790] netif_set_mtu (net/core/dev.c:9652) 
[ 331.691692][ T2790] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 331.692014][ T2790] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 331.692274][ T2790] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 331.692589][ T2790] br_add_if (net/bridge/br_if.c:697) 
[ 331.692846][ T2790] do_set_master (net/core/rtnetlink.c:2948) 
[ 331.693159][ T2790] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 331.693477][ T2790] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 331.693814][ T2790] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 331.694118][ T2790] ? __dev_get_by_name (net/core/dev.c:865) 
[ 331.694437][ T2790] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 331.694753][ T2790] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 331.695064][ T2790] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 331.695378][ T2790] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 331.695688][ T2790] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 331.696038][ T2790] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 331.696370][ T2790] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.696689][ T2790] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 331.697003][ T2790] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 331.697319][ T2790] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 331.697624][ T2790] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 331.697939][ T2790] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.698257][ T2790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.698576][ T2790] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 331.698892][ T2790] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 331.699224][ T2790] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 331.699550][ T2790] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 331.699864][ T2790] ? 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) 
[ 331.700171][ T2790] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 331.700502][ T2790] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 331.700811][ T2790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.701136][ T2790] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 331.701470][ T2790] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 331.701775][ T2790] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 331.702118][ T2790] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 331.702432][ T2790] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 331.702732][ T2790] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 331.703146][ T2790] ___sys_sendmsg (net/socket.c:2670) 
[ 331.703460][ T2790] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 331.703770][ T2790] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 331.704092][ T2790] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 331.704417][ T2790] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 331.704726][ T2790] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 331.705052][ T2790] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 331.705381][ T2790] __sys_sendmsg (net/socket.c:2700) 
[ 331.705686][ T2790] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 331.706018][ T2790] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 331.706336][ T2790] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 331.706645][ T2790] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  331.707028][ T2790] RIP: 0033:0x7f78648391e7
[ 331.707359][ T2790] 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)
[  331.708500][ T2790] RSP: 002b:00007ffccf660cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  331.708967][ T2790] RAX: ffffffffffffffda RBX: 00007ffccf661430 RCX: 00007f78648391e7
[  331.709452][ T2790] RDX: 0000000000000000 RSI: 00007ffccf660d60 RDI: 0000000000000005
[  331.709917][ T2790] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  331.710400][ T2790] R10: 00007f78648c7ac0 R11: 0000000000000246 R12: 00007ffccf661468
[  331.710858][ T2790] R13: 00000000686e0ad3 R14: 0000000000499600 R15: 00007ffccf660e50
| [  336.174333][ T2820] ------------[ cut here ]------------
| [ 336.174680][ T2820] WARNING: CPU: 3 PID: 2820 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) 
| [  336.175350][ T2820] Modules linked in: vxlan
| [  336.176356][ T2820] Tainted: [W]=WARN
[  336.176602][ T2820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 336.177009][ T2820] 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) 
[ 336.177350][ T2820] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  336.178549][ T2820] RSP: 0018:ffffc90006017080 EFLAGS: 00010246
[  336.178978][ T2820] RAX: 0000000000000000 RBX: ffff88800e56a000 RCX: 0000000000000001
[  336.179468][ T2820] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  336.179942][ T2820] RBP: ffffc90006017168 R08: 0000000000000000 R09: 0000000000000000
[  336.180422][ T2820] R10: ffffc90006017198 R11: ffffffff95f8d1e0 R12: 1ffff92000c02e14
[  336.180896][ T2820] R13: 00000000000005dc R14: ffffc90006017198 R15: ffff88800e56af48
[  336.181392][ T2820] FS:  00007f023379a800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  336.181955][ T2820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  336.182360][ T2820] CR2: 00007f0233985ba0 CR3: 0000000002caf004 CR4: 0000000000772ef0
[  336.182834][ T2820] PKRU: 55555554
[  336.183071][ T2820] Call Trace:
[  336.183317][ T2820]  <TASK>
[ 336.183479][ T2820] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 336.183789][ T2820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.184112][ T2820] netif_set_mtu (net/core/dev.c:9652) 
[ 336.184435][ T2820] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 336.184759][ T2820] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 336.185000][ T2820] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 336.185327][ T2820] br_add_if (net/bridge/br_if.c:697) 
[ 336.185571][ T2820] do_set_master (net/core/rtnetlink.c:2948) 
[ 336.185875][ T2820] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 336.186214][ T2820] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 336.186542][ T2820] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 336.186855][ T2820] ? __dev_get_by_name (net/core/dev.c:865) 
[ 336.187178][ T2820] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 336.187517][ T2820] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 336.187848][ T2820] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 336.188169][ T2820] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 336.188514][ T2820] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 336.188852][ T2820] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 336.189185][ T2820] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 336.189537][ T2820] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 336.189868][ T2820] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 336.190197][ T2820] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 336.190533][ T2820] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 336.190858][ T2820] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 336.191187][ T2820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.191543][ T2820] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 336.191869][ T2820] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 336.192196][ T2820] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 336.192556][ T2820] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 336.192884][ T2820] ? 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) 
[ 336.193215][ T2820] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 336.193547][ T2820] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 336.193870][ T2820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.194206][ T2820] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 336.194528][ T2820] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 336.194846][ T2820] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 336.195161][ T2820] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 336.195485][ T2820] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 336.195794][ T2820] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 336.196189][ T2820] ___sys_sendmsg (net/socket.c:2670) 
[ 336.196511][ T2820] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 336.196828][ T2820] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 336.197155][ T2820] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 336.197471][ T2820] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 336.197781][ T2820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 336.198097][ T2820] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 336.198416][ T2820] __sys_sendmsg (net/socket.c:2700) 
[ 336.198732][ T2820] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 336.199050][ T2820] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 336.199377][ T2820] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 336.199689][ T2820] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  336.200068][ T2820] RIP: 0033:0x7f02339671e7
[ 336.200399][ T2820] 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)
[  336.201551][ T2820] RSP: 002b:00007fff89f19388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  336.202025][ T2820] RAX: ffffffffffffffda RBX: 00007fff89f19ac0 RCX: 00007f02339671e7
[  336.202497][ T2820] RDX: 0000000000000000 RSI: 00007fff89f193f0 RDI: 0000000000000005
[  336.202959][ T2820] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  336.203458][ T2820] R10: 00007f02339f5ac0 R11: 0000000000000246 R12: 00007fff89f19af8
[  336.203951][ T2820] R13: 00000000686e0ad7 R14: 0000000000499600 R15: 00007fff89f194e0
| [  359.789615][ T3057] ------------[ cut here ]------------
| [ 359.790146][ T3057] WARNING: CPU: 2 PID: 3057 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) 
| [  359.791029][ T3057] Modules linked in: vxlan
| [  359.792171][ T3057] Tainted: [W]=WARN
[  359.792464][ T3057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 359.792896][ T3057] 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) 
[ 359.793375][ T3057] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  359.794882][ T3057] RSP: 0018:ffffc90006657080 EFLAGS: 00010246
[  359.795523][ T3057] RAX: 0000000000000000 RBX: ffff88800e2b2000 RCX: 0000000000000001
[  359.796034][ T3057] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  359.796711][ T3057] RBP: ffffc90006657168 R08: 0000000000000000 R09: 0000000000000000
[  359.797334][ T3057] R10: ffffc90006657198 R11: ffffffff95f8d1e0 R12: 1ffff92000ccae14
[  359.797869][ T3057] R13: 00000000000005dc R14: ffffc90006657198 R15: ffff88800e2b2f48
[  359.798379][ T3057] FS:  00007f22c0993800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  359.799096][ T3057] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  359.799523][ T3057] CR2: 0000000000406141 CR3: 000000000ebd9002 CR4: 0000000000772ef0
[  359.800029][ T3057] PKRU: 55555554
[  359.800296][ T3057] Call Trace:
[  359.800664][ T3057]  <TASK>
[ 359.800849][ T3057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 359.801192][ T3057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 359.801576][ T3057] netif_set_mtu (net/core/dev.c:9652) 
[ 359.801987][ T3057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 359.802452][ T3057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 359.802804][ T3057] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 359.803188][ T3057] br_add_if (net/bridge/br_if.c:697) 
[ 359.803515][ T3057] do_set_master (net/core/rtnetlink.c:2948) 
[ 359.803950][ T3057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 359.804368][ T3057] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 359.804763][ T3057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 359.805103][ T3057] ? __dev_get_by_name (net/core/dev.c:865) 
[ 359.805542][ T3057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 359.805911][ T3057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 359.806264][ T3057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 359.806733][ T3057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 359.807116][ T3057] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 359.807516][ T3057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 359.808000][ T3057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 359.808417][ T3057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 359.808767][ T3057] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 359.809199][ T3057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 359.809592][ T3057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 359.809964][ T3057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 359.810417][ T3057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 359.810959][ T3057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 359.811396][ T3057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 359.811825][ T3057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 359.812187][ T3057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 359.812647][ T3057] ? 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) 
[ 359.813095][ T3057] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 359.813539][ T3057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 359.813963][ T3057] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 359.814401][ T3057] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 359.814927][ T3057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 359.815383][ T3057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 359.815755][ T3057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 359.816227][ T3057] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 359.816578][ T3057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 359.817062][ T3057] ___sys_sendmsg (net/socket.c:2670) 
[ 359.817463][ T3057] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 359.817835][ T3057] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 359.818177][ T3057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 359.818518][ T3057] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 359.819028][ T3057] ? __handle_mm_fault (mm/memory.c:6212) 
[ 359.819372][ T3057] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 359.819722][ T3057] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 359.820078][ T3057] __sys_sendmsg (net/socket.c:2700) 
[ 359.820423][ T3057] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 359.820769][ T3057] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 359.821110][ T3057] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 359.821485][ T3057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 359.821859][ T3057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 359.822195][ T3057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  359.822629][ T3057] RIP: 0033:0x7f22c0b601e7
[ 359.823106][ T3057] 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)
[  359.824271][ T3057] RSP: 002b:00007ffe0f44c998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  359.824773][ T3057] RAX: ffffffffffffffda RBX: 00007ffe0f44d0d0 RCX: 00007f22c0b601e7
[  359.825277][ T3057] RDX: 0000000000000000 RSI: 00007ffe0f44ca00 RDI: 0000000000000005
[  359.825798][ T3057] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  359.826610][ T3057] R10: 00007f22c0beeac0 R11: 0000000000000246 R12: 00007ffe0f44d108
[  359.827410][ T3057] R13: 00000000686e0aef R14: 0000000000499600 R15: 00007ffe0f44caf0
| [  364.406024][ T3087] ------------[ cut here ]------------
| [ 364.406419][ T3087] WARNING: CPU: 3 PID: 3087 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) 
| [  364.407093][ T3087] Modules linked in: vxlan
| [  364.408130][ T3087] Tainted: [W]=WARN
[  364.408398][ T3087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 364.408794][ T3087] 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) 
[ 364.409122][ T3087] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  364.410309][ T3087] RSP: 0018:ffffc900067c7080 EFLAGS: 00010246
[  364.410736][ T3087] RAX: 0000000000000000 RBX: ffff8880093aa000 RCX: 0000000000000001
[  364.411227][ T3087] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  364.411749][ T3087] RBP: ffffc900067c7168 R08: 0000000000000000 R09: 0000000000000000
[  364.412225][ T3087] R10: ffffc900067c7198 R11: ffffffff95f8d1e0 R12: 1ffff92000cf8e14
[  364.412725][ T3087] R13: 00000000000005dc R14: ffffc900067c7198 R15: ffff8880093aaf48
[  364.413218][ T3087] FS:  00007f4523ac5800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  364.413793][ T3087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  364.414194][ T3087] CR2: 000000000043d940 CR3: 00000000027c4001 CR4: 0000000000772ef0
[  364.414711][ T3087] PKRU: 55555554
[  364.414965][ T3087] Call Trace:
[  364.415202][ T3087]  <TASK>
[ 364.415380][ T3087] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 364.415712][ T3087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.416049][ T3087] netif_set_mtu (net/core/dev.c:9652) 
[ 364.416380][ T3087] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 364.416711][ T3087] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 364.416971][ T3087] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 364.417302][ T3087] br_add_if (net/bridge/br_if.c:697) 
[ 364.417556][ T3087] do_set_master (net/core/rtnetlink.c:2948) 
[ 364.417883][ T3087] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 364.418201][ T3087] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 364.418557][ T3087] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 364.418872][ T3087] ? __dev_get_by_name (net/core/dev.c:865) 
[ 364.419192][ T3087] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 364.419517][ T3087] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 364.419838][ T3087] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 364.420152][ T3087] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 364.420483][ T3087] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 364.420811][ T3087] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 364.421144][ T3087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 364.421495][ T3087] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 364.421817][ T3087] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 364.422145][ T3087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 364.422496][ T3087] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 364.422824][ T3087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 364.423155][ T3087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.423488][ T3087] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 364.423806][ T3087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 364.424126][ T3087] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 364.424472][ T3087] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 364.424787][ T3087] ? 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) 
[ 364.425107][ T3087] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 364.425436][ T3087] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 364.425750][ T3087] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.426073][ T3087] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 364.426415][ T3087] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 364.426768][ T3087] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 364.427103][ T3087] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 364.427497][ T3087] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 364.427816][ T3087] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 364.428223][ T3087] ___sys_sendmsg (net/socket.c:2670) 
[ 364.428550][ T3087] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 364.428879][ T3087] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 364.429206][ T3087] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 364.429533][ T3087] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 364.429853][ T3087] ? __handle_mm_fault (mm/memory.c:6212) 
[ 364.430167][ T3087] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 364.430505][ T3087] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 364.430846][ T3087] __sys_sendmsg (net/socket.c:2700) 
[ 364.431166][ T3087] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 364.431507][ T3087] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 364.431831][ T3087] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 364.432148][ T3087] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 364.432477][ T3087] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 364.432797][ T3087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  364.433187][ T3087] RIP: 0033:0x7f4523c921e7
[ 364.433528][ T3087] 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)
[  364.434678][ T3087] RSP: 002b:00007ffc80a329e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  364.435157][ T3087] RAX: ffffffffffffffda RBX: 00007ffc80a33120 RCX: 00007f4523c921e7
[  364.435649][ T3087] RDX: 0000000000000000 RSI: 00007ffc80a32a50 RDI: 0000000000000005
[  364.436124][ T3087] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  364.436609][ T3087] R10: 00007f4523d20ac0 R11: 0000000000000246 R12: 00007ffc80a33158
[  364.437084][ T3087] R13: 00000000686e0af3 R14: 0000000000499600 R15: 00007ffc80a32b40
| [  372.219091][ T3153] ------------[ cut here ]------------
| [ 372.219415][ T3153] WARNING: CPU: 0 PID: 3153 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) 
| [  372.220015][ T3153] Modules linked in: vxlan
| [  372.220952][ T3153] Tainted: [W]=WARN
[  372.221218][ T3153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 372.221634][ T3153] 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) 
[ 372.221974][ T3153] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  372.223071][ T3153] RSP: 0018:ffffc90006ad7080 EFLAGS: 00010246
[  372.223462][ T3153] RAX: 0000000000000000 RBX: ffff888009aca000 RCX: 0000000000000001
[  372.223917][ T3153] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  372.224375][ T3153] RBP: ffffc90006ad7168 R08: 0000000000000000 R09: 0000000000000000
[  372.224832][ T3153] R10: ffffc90006ad7198 R11: ffffffff95f8d1e0 R12: 1ffff92000d5ae14
[  372.225296][ T3153] R13: 00000000000005dc R14: ffffc90006ad7198 R15: ffff888009acaf48
[  372.225750][ T3153] FS:  00007f964bb7d800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  372.226294][ T3153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  372.226684][ T3153] CR2: 00007f964bd68ba0 CR3: 000000000f086001 CR4: 0000000000772ef0
[  372.227141][ T3153] PKRU: 55555554
[  372.227379][ T3153] Call Trace:
[  372.227606][ T3153]  <TASK>
[ 372.227764][ T3153] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 372.228071][ T3153] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.228398][ T3153] netif_set_mtu (net/core/dev.c:9652) 
[ 372.228701][ T3153] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 372.229026][ T3153] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 372.229272][ T3153] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 372.229584][ T3153] br_add_if (net/bridge/br_if.c:697) 
[ 372.229826][ T3153] do_set_master (net/core/rtnetlink.c:2948) 
[ 372.230135][ T3153] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 372.230456][ T3153] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 372.230765][ T3153] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 372.231071][ T3153] ? __dev_get_by_name (net/core/dev.c:865) 
[ 372.231442][ T3153] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 372.231748][ T3153] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 372.232057][ T3153] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 372.232366][ T3153] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 372.232674][ T3153] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 372.232988][ T3153] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 372.233311][ T3153] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 372.233636][ T3153] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 372.233938][ T3153] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 372.234254][ T3153] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 372.234558][ T3153] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 372.234867][ T3153] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 372.235175][ T3153] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.235495][ T3153] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 372.235804][ T3153] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 372.236110][ T3153] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 372.236457][ T3153] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 372.236779][ T3153] ? 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) 
[ 372.237096][ T3153] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 372.237438][ T3153] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 372.237761][ T3153] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.238092][ T3153] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 372.238433][ T3153] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 372.238776][ T3153] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 372.239115][ T3153] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 372.239475][ T3153] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 372.239814][ T3153] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 372.240261][ T3153] ___sys_sendmsg (net/socket.c:2670) 
[ 372.240592][ T3153] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 372.240915][ T3153] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 372.241257][ T3153] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 372.241594][ T3153] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 372.241933][ T3153] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 372.242272][ T3153] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 372.242598][ T3153] __sys_sendmsg (net/socket.c:2700) 
[ 372.242914][ T3153] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 372.243261][ T3153] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 372.243585][ T3153] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 372.243902][ T3153] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  372.244307][ T3153] RIP: 0033:0x7f964bd4a1e7
[ 372.244636][ T3153] 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)
[  372.245783][ T3153] RSP: 002b:00007ffeb352bde8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  372.246268][ T3153] RAX: ffffffffffffffda RBX: 00007ffeb352c520 RCX: 00007f964bd4a1e7
[  372.246742][ T3153] RDX: 0000000000000000 RSI: 00007ffeb352be50 RDI: 0000000000000005
[  372.247217][ T3153] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  372.247707][ T3153] R10: 00007f964bdd8ac0 R11: 0000000000000246 R12: 00007ffeb352c558
[  372.248181][ T3153] R13: 00000000686e0afb R14: 0000000000499600 R15: 00007ffeb352bf40
| [  376.627705][ T3183] ------------[ cut here ]------------
| [ 376.628038][ T3183] WARNING: CPU: 2 PID: 3183 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) 
| [  376.628666][ T3183] Modules linked in: vxlan
| [  376.629644][ T3183] Tainted: [W]=WARN
[  376.629886][ T3183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 376.630285][ T3183] 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) 
[ 376.630607][ T3183] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  376.631804][ T3183] RSP: 0018:ffffc90006bf7080 EFLAGS: 00010246
[  376.632202][ T3183] RAX: 0000000000000000 RBX: ffff88800e1f2000 RCX: 0000000000000001
[  376.632679][ T3183] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  376.633142][ T3183] RBP: ffffc90006bf7168 R08: 0000000000000000 R09: 0000000000000000
[  376.633618][ T3183] R10: ffffc90006bf7198 R11: ffffffff95f8d1e0 R12: 1ffff92000d7ee14
[  376.634096][ T3183] R13: 00000000000005dc R14: ffffc90006bf7198 R15: ffff88800e1f2f48
[  376.634592][ T3183] FS:  00007f2ecb0cb800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  376.635160][ T3183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  376.635563][ T3183] CR2: 000055f5d621f990 CR3: 000000000e644006 CR4: 0000000000772ef0
[  376.636043][ T3183] PKRU: 55555554
[  376.636292][ T3183] Call Trace:
[  376.636530][ T3183]  <TASK>
[ 376.636699][ T3183] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 376.637020][ T3183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.637358][ T3183] netif_set_mtu (net/core/dev.c:9652) 
[ 376.637676][ T3183] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 376.638011][ T3183] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 376.638280][ T3183] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 376.638615][ T3183] br_add_if (net/bridge/br_if.c:697) 
[ 376.638880][ T3183] do_set_master (net/core/rtnetlink.c:2948) 
[ 376.639208][ T3183] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 376.639552][ T3183] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 376.639886][ T3183] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 376.640203][ T3183] ? __dev_get_by_name (net/core/dev.c:865) 
[ 376.640532][ T3183] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 376.640850][ T3183] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 376.641174][ T3183] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 376.641510][ T3183] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 376.641834][ T3183] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 376.642161][ T3183] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 376.642493][ T3183] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 376.642823][ T3183] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 376.643144][ T3183] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 376.643470][ T3183] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 376.643788][ T3183] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 376.644105][ T3183] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 376.644434][ T3183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.644754][ T3183] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 376.645073][ T3183] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 376.645397][ T3183] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 376.645727][ T3183] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 376.646045][ T3183] ? 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) 
[ 376.646370][ T3183] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 376.646689][ T3183] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 376.647006][ T3183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.647335][ T3183] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 376.647657][ T3183] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 376.647981][ T3183] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 376.648313][ T3183] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 376.648633][ T3183] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 376.648946][ T3183] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 376.649359][ T3183] ___sys_sendmsg (net/socket.c:2670) 
[ 376.649676][ T3183] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 376.650000][ T3183] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 376.650341][ T3183] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 376.650654][ T3183] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 376.650976][ T3183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 376.651322][ T3183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 376.651648][ T3183] __sys_sendmsg (net/socket.c:2700) 
[ 376.651969][ T3183] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 376.652306][ T3183] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 376.652644][ T3183] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 376.652966][ T3183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  376.653367][ T3183] RIP: 0033:0x7f2ecb2981e7
[ 376.653694][ T3183] 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)
[  376.654795][ T3183] RSP: 002b:00007ffd74932e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  376.655288][ T3183] RAX: ffffffffffffffda RBX: 00007ffd749335b0 RCX: 00007f2ecb2981e7
[  376.655757][ T3183] RDX: 0000000000000000 RSI: 00007ffd74932ee0 RDI: 0000000000000005
[  376.656223][ T3183] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  376.656702][ T3183] R10: 00007f2ecb326ac0 R11: 0000000000000246 R12: 00007ffd749335e8
[  376.657180][ T3183] R13: 00000000686e0b00 R14: 0000000000499600 R15: 00007ffd74932fd0
| [  400.155215][ T3421] ------------[ cut here ]------------
| [ 400.155650][ T3421] WARNING: CPU: 2 PID: 3421 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) 
| [  400.156382][ T3421] Modules linked in: vxlan
| [  400.157484][ T3421] Tainted: [W]=WARN
[  400.157765][ T3421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 400.158204][ T3421] 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) 
[ 400.158829][ T3421] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  400.160100][ T3421] RSP: 0018:ffffc90007127080 EFLAGS: 00010246
[  400.160563][ T3421] RAX: 0000000000000000 RBX: ffff888012832000 RCX: 0000000000000001
[  400.161092][ T3421] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  400.161652][ T3421] RBP: ffffc90007127168 R08: 0000000000000000 R09: 0000000000000000
[  400.162190][ T3421] R10: ffffc90007127198 R11: ffffffff95f8d1e0 R12: 1ffff92000e24e14
[  400.162747][ T3421] R13: 00000000000005dc R14: ffffc90007127198 R15: ffff888012832f48
[  400.163316][ T3421] FS:  00007f2609463800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  400.163962][ T3421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  400.164429][ T3421] CR2: 000000000043d940 CR3: 0000000012e0e003 CR4: 0000000000772ef0
[  400.164969][ T3421] PKRU: 55555554
[  400.165266][ T3421] Call Trace:
[  400.165542][ T3421]  <TASK>
[ 400.165734][ T3421] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 400.166094][ T3421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.166476][ T3421] netif_set_mtu (net/core/dev.c:9652) 
[ 400.166883][ T3421] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 400.167301][ T3421] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 400.167560][ T3421] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 400.167901][ T3421] br_add_if (net/bridge/br_if.c:697) 
[ 400.168156][ T3421] do_set_master (net/core/rtnetlink.c:2948) 
[ 400.168484][ T3421] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 400.168802][ T3421] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 400.169122][ T3421] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 400.169457][ T3421] ? __dev_get_by_name (net/core/dev.c:865) 
[ 400.169779][ T3421] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 400.170093][ T3421] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 400.170422][ T3421] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 400.170766][ T3421] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 400.171095][ T3421] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 400.171453][ T3421] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 400.171776][ T3421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 400.172106][ T3421] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 400.172434][ T3421] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 400.172753][ T3421] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 400.173075][ T3421] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 400.173414][ T3421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 400.173736][ T3421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.174058][ T3421] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 400.174385][ T3421] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 400.174719][ T3421] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 400.175074][ T3421] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 400.175399][ T3421] ? 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) 
[ 400.175734][ T3421] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 400.176055][ T3421] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 400.176384][ T3421] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 400.176705][ T3421] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 400.177028][ T3421] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 400.177367][ T3421] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 400.177692][ T3421] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 400.178007][ T3421] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 400.178358][ T3421] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 400.178799][ T3421] ___sys_sendmsg (net/socket.c:2670) 
[ 400.179121][ T3421] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 400.179458][ T3421] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 400.179777][ T3421] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 400.180157][ T3421] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 400.180699][ T3421] ? __handle_mm_fault (mm/memory.c:6212) 
[ 400.181227][ T3421] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 400.181631][ T3421] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 400.181965][ T3421] __sys_sendmsg (net/socket.c:2700) 
[ 400.182300][ T3421] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 400.182668][ T3421] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 400.183176][ T3421] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 400.183737][ T3421] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 400.184295][ T3421] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 400.184825][ T3421] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  400.185515][ T3421] RIP: 0033:0x7f26096301e7
[ 400.186071][ T3421] 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)
[  400.187955][ T3421] RSP: 002b:00007ffc58d7bba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  400.188753][ T3421] RAX: ffffffffffffffda RBX: 00007ffc58d7c2e0 RCX: 00007f26096301e7
[  400.189588][ T3421] RDX: 0000000000000000 RSI: 00007ffc58d7bc10 RDI: 0000000000000005
[  400.190396][ T3421] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  400.191187][ T3421] R10: 00007f26096beac0 R11: 0000000000000246 R12: 00007ffc58d7c318
[  400.192020][ T3421] R13: 00000000686e0b17 R14: 0000000000499600 R15: 00007ffc58d7bd00
| [  404.542316][ T3451] ------------[ cut here ]------------
| [ 404.542655][ T3451] WARNING: CPU: 2 PID: 3451 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  404.543278][ T3451] Modules linked in: vxlan
| [  404.544330][ T3451] Tainted: [W]=WARN
[  404.544579][ T3451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 404.544973][ T3451] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 404.545312][ T3451] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  404.546463][ T3451] RSP: 0018:ffffc900072e7080 EFLAGS: 00010246
[  404.546880][ T3451] RAX: 0000000000000000 RBX: ffff88800e43a000 RCX: 0000000000000001
[  404.549188][ T3451] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  404.549707][ T3451] RBP: ffffc900072e7168 R08: 0000000000000000 R09: 0000000000000000
[  404.550197][ T3451] R10: ffffc900072e7198 R11: ffffffff95f8d1e0 R12: 1ffff92000e5ce14
[  404.550761][ T3451] R13: 00000000000005dc R14: ffffc900072e7198 R15: ffff88800e43af48
[  404.551264][ T3451] FS:  00007fbe26db9800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  404.551880][ T3451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  404.552365][ T3451] CR2: 000000000043d940 CR3: 000000000aba9003 CR4: 0000000000772ef0
[  404.552894][ T3451] PKRU: 55555554
[  404.553158][ T3451] Call Trace:
[  404.553435][ T3451]  <TASK>
[ 404.553623][ T3451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 404.553983][ T3451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 404.554362][ T3451] netif_set_mtu (net/core/dev.c:9652) 
[ 404.554751][ T3451] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 404.555121][ T3451] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 404.555405][ T3451] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 404.555783][ T3451] br_add_if (net/bridge/br_if.c:697) 
[ 404.556087][ T3451] do_set_master (net/core/rtnetlink.c:2948) 
[ 404.556451][ T3451] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 404.556804][ T3451] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 404.557158][ T3451] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 404.557515][ T3451] ? __dev_get_by_name (net/core/dev.c:865) 
[ 404.557860][ T3451] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 404.558252][ T3451] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 404.558590][ T3451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 404.558938][ T3451] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 404.559291][ T3451] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 404.559632][ T3451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 404.559987][ T3451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 404.560372][ T3451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 404.560705][ T3451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 404.561050][ T3451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 404.561404][ T3451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 404.561741][ T3451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 404.562075][ T3451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 404.562424][ T3451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 404.562758][ T3451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 404.563091][ T3451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 404.563452][ T3451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 404.563783][ T3451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 404.564144][ T3451] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 404.564497][ T3451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 404.564827][ T3451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 404.565165][ T3451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 404.565515][ T3451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 404.565872][ T3451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 404.566269][ T3451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 404.566607][ T3451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 404.566936][ T3451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 404.567373][ T3451] ___sys_sendmsg (net/socket.c:2670) 
[ 404.567707][ T3451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 404.568070][ T3451] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 404.568426][ T3451] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 404.568757][ T3451] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 404.569097][ T3451] ? __handle_mm_fault (mm/memory.c:6212) 
[ 404.569439][ T3451] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 404.569827][ T3451] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 404.570197][ T3451] __sys_sendmsg (net/socket.c:2700) 
[ 404.570562][ T3451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 404.570916][ T3451] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 404.571327][ T3451] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 404.571680][ T3451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 404.572033][ T3451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 404.572381][ T3451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  404.572787][ T3451] RIP: 0033:0x7fbe26f861e7
[ 404.573162][ T3451] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  404.574326][ T3451] RSP: 002b:00007ffec52935f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  404.574817][ T3451] RAX: ffffffffffffffda RBX: 00007ffec5293d30 RCX: 00007fbe26f861e7
[  404.575319][ T3451] RDX: 0000000000000000 RSI: 00007ffec5293660 RDI: 0000000000000005
[  404.575817][ T3451] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  404.576384][ T3451] R10: 00007fbe27014ac0 R11: 0000000000000246 R12: 00007ffec5293d68
[  404.576900][ T3451] R13: 00000000686e0b1c R14: 0000000000499600 R15: 00007ffec5293750
| [  412.159044][ T3517] ------------[ cut here ]------------
| [ 412.159401][ T3517] WARNING: CPU: 2 PID: 3517 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) 
| [  412.160022][ T3517] Modules linked in: vxlan
| [  412.161002][ T3517] Tainted: [W]=WARN
[  412.161260][ T3517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 412.161680][ T3517] 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) 
[ 412.162021][ T3517] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  412.163168][ T3517] RSP: 0018:ffffc90007577080 EFLAGS: 00010246
[  412.163579][ T3517] RAX: 0000000000000000 RBX: ffff88800c9aa000 RCX: 0000000000000001
[  412.164054][ T3517] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  412.164542][ T3517] RBP: ffffc90007577168 R08: 0000000000000000 R09: 0000000000000000
[  412.165017][ T3517] R10: ffffc90007577198 R11: ffffffff95f8d1e0 R12: 1ffff92000eaee14
[  412.165498][ T3517] R13: 00000000000005dc R14: ffffc90007577198 R15: ffff88800c9aaf48
[  412.165969][ T3517] FS:  00007f69e45a9800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  412.166531][ T3517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  412.166929][ T3517] CR2: 0000000000406141 CR3: 000000001067b004 CR4: 0000000000772ef0
[  412.167413][ T3517] PKRU: 55555554
[  412.167655][ T3517] Call Trace:
[  412.167902][ T3517]  <TASK>
[ 412.168076][ T3517] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 412.168407][ T3517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 412.168742][ T3517] netif_set_mtu (net/core/dev.c:9652) 
[ 412.169069][ T3517] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 412.169416][ T3517] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 412.169663][ T3517] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 412.169985][ T3517] br_add_if (net/bridge/br_if.c:697) 
[ 412.170246][ T3517] do_set_master (net/core/rtnetlink.c:2948) 
[ 412.170566][ T3517] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 412.170887][ T3517] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 412.171217][ T3517] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 412.171560][ T3517] ? __dev_get_by_name (net/core/dev.c:865) 
[ 412.171885][ T3517] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 412.172202][ T3517] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 412.172540][ T3517] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 412.172860][ T3517] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 412.173183][ T3517] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 412.173525][ T3517] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 412.173854][ T3517] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 412.174183][ T3517] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 412.174505][ T3517] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 412.174825][ T3517] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 412.175139][ T3517] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 412.175468][ T3517] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 412.175790][ T3517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 412.176117][ T3517] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 412.176450][ T3517] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 412.176773][ T3517] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 412.177105][ T3517] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 412.177432][ T3517] ? 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) 
[ 412.177753][ T3517] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 412.178075][ T3517] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 412.178407][ T3517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 412.178732][ T3517] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 412.179050][ T3517] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 412.179377][ T3517] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 412.179702][ T3517] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 412.180027][ T3517] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 412.180354][ T3517] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 412.180767][ T3517] ___sys_sendmsg (net/socket.c:2670) 
[ 412.181088][ T3517] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 412.181432][ T3517] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 412.181761][ T3517] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 412.182078][ T3517] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 412.182408][ T3517] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 412.182733][ T3517] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 412.183050][ T3517] __sys_sendmsg (net/socket.c:2700) 
[ 412.183385][ T3517] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 412.183716][ T3517] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 412.184033][ T3517] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 412.184364][ T3517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  412.184756][ T3517] RIP: 0033:0x7f69e47761e7
[ 412.185083][ T3517] 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)
[  412.186199][ T3517] RSP: 002b:00007ffd71c682b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  412.186681][ T3517] RAX: ffffffffffffffda RBX: 00007ffd71c689f0 RCX: 00007f69e47761e7
[  412.187149][ T3517] RDX: 0000000000000000 RSI: 00007ffd71c68320 RDI: 0000000000000005
[  412.187633][ T3517] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  412.188107][ T3517] R10: 00007f69e4804ac0 R11: 0000000000000246 R12: 00007ffd71c68a28
[  412.188587][ T3517] R13: 00000000686e0b23 R14: 0000000000499600 R15: 00007ffd71c68410
| [  416.638902][ T3547] ------------[ cut here ]------------
| [ 416.639262][ T3547] WARNING: CPU: 1 PID: 3547 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  416.639888][ T3547] Modules linked in: vxlan
| [  416.640896][ T3547] Tainted: [W]=WARN
[  416.641143][ T3547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 416.641560][ T3547] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 416.641899][ T3547] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  416.643063][ T3547] RSP: 0018:ffffc900076c7080 EFLAGS: 00010246
[  416.643477][ T3547] RAX: 0000000000000000 RBX: ffff888012ada000 RCX: 0000000000000001
[  416.643954][ T3547] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  416.644448][ T3547] RBP: ffffc900076c7168 R08: 0000000000000000 R09: 0000000000000000
[  416.644932][ T3547] R10: ffffc900076c7198 R11: ffffffff95f8d1e0 R12: 1ffff92000ed8e14
[  416.645415][ T3547] R13: 00000000000005dc R14: ffffc900076c7198 R15: ffff888012adaf48
[  416.645892][ T3547] FS:  00007f54fffc2800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  416.646455][ T3547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  416.646865][ T3547] CR2: 00007f55001adba0 CR3: 0000000011d5f004 CR4: 0000000000772ef0
[  416.647349][ T3547] PKRU: 55555554
[  416.647588][ T3547] Call Trace:
[  416.647824][ T3547]  <TASK>
[ 416.647991][ T3547] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 416.648330][ T3547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.648663][ T3547] netif_set_mtu (net/core/dev.c:9652) 
[ 416.648982][ T3547] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 416.649330][ T3547] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 416.649577][ T3547] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 416.649902][ T3547] br_add_if (net/bridge/br_if.c:697) 
[ 416.650151][ T3547] do_set_master (net/core/rtnetlink.c:2948) 
[ 416.650474][ T3547] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 416.650798][ T3547] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 416.651119][ T3547] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 416.651459][ T3547] ? __dev_get_by_name (net/core/dev.c:865) 
[ 416.651783][ T3547] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 416.652106][ T3547] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 416.652451][ T3547] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 416.652774][ T3547] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 416.653096][ T3547] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 416.653469][ T3547] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 416.653793][ T3547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 416.654219][ T3547] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 416.654566][ T3547] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 416.654885][ T3547] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 416.655220][ T3547] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 416.655551][ T3547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 416.655875][ T3547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.656196][ T3547] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 416.656534][ T3547] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 416.656855][ T3547] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 416.657183][ T3547] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 416.657508][ T3547] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 416.657830][ T3547] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 416.658155][ T3547] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 416.658483][ T3547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.658816][ T3547] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 416.659136][ T3547] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 416.659460][ T3547] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 416.659785][ T3547] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 416.660108][ T3547] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 416.660451][ T3547] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 416.660860][ T3547] ___sys_sendmsg (net/socket.c:2670) 
[ 416.661187][ T3547] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 416.661529][ T3547] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 416.661854][ T3547] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 416.662170][ T3547] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 416.662505][ T3547] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 416.662832][ T3547] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 416.663156][ T3547] __sys_sendmsg (net/socket.c:2700) 
[ 416.663481][ T3547] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 416.663819][ T3547] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 416.664141][ T3547] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 416.664485][ T3547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  416.664886][ T3547] RIP: 0033:0x7f550018f1e7
[ 416.665220][ T3547] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  416.666401][ T3547] RSP: 002b:00007ffef3bc44b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  416.666883][ T3547] RAX: ffffffffffffffda RBX: 00007ffef3bc4bf0 RCX: 00007f550018f1e7
[  416.667369][ T3547] RDX: 0000000000000000 RSI: 00007ffef3bc4520 RDI: 0000000000000005
[  416.667850][ T3547] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  416.668359][ T3547] R10: 00007f550021dac0 R11: 0000000000000246 R12: 00007ffef3bc4c28
[  416.668837][ T3547] R13: 00000000686e0b28 R14: 0000000000499600 R15: 00007ffef3bc4610
| [  441.046500][ T3784] ------------[ cut here ]------------
| [ 441.046820][ T3784] WARNING: CPU: 1 PID: 3784 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) 
| [  441.048191][ T3784] Modules linked in: vxlan
| [  441.049161][ T3784] Tainted: [W]=WARN
[  441.049404][ T3784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 441.049807][ T3784] 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) 
[ 441.050136][ T3784] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  441.051298][ T3784] RSP: 0018:ffffc90007bd7080 EFLAGS: 00010246
[  441.051717][ T3784] RAX: 0000000000000000 RBX: ffff88800f002000 RCX: 0000000000000001
[  441.052193][ T3784] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  441.052685][ T3784] RBP: ffffc90007bd7168 R08: 0000000000000000 R09: 0000000000000000
[  441.053178][ T3784] R10: ffffc90007bd7198 R11: ffffffff95f8d1e0 R12: 1ffff92000f7ae14
[  441.053651][ T3784] R13: 00000000000005dc R14: ffffc90007bd7198 R15: ffff88800f002f48
[  441.054108][ T3784] FS:  00007fd5056c1800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  441.054663][ T3784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  441.055066][ T3784] CR2: 00007fd5057c1130 CR3: 000000000cb18001 CR4: 0000000000772ef0
[  441.055560][ T3784] PKRU: 55555554
[  441.055797][ T3784] Call Trace:
[  441.056029][ T3784]  <TASK>
[ 441.056193][ T3784] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 441.056509][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 441.056829][ T3784] netif_set_mtu (net/core/dev.c:9652) 
[ 441.057135][ T3784] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 441.057470][ T3784] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 441.057703][ T3784] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 441.058014][ T3784] br_add_if (net/bridge/br_if.c:697) 
[ 441.058269][ T3784] do_set_master (net/core/rtnetlink.c:2948) 
[ 441.058571][ T3784] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 441.058874][ T3784] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 441.059182][ T3784] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 441.059529][ T3784] ? __dev_get_by_name (net/core/dev.c:865) 
[ 441.059835][ T3784] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 441.060143][ T3784] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 441.060463][ T3784] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 441.060767][ T3784] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 441.061082][ T3784] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 441.061420][ T3784] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 441.061731][ T3784] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 441.062063][ T3784] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 441.062379][ T3784] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 441.062694][ T3784] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 441.063002][ T3784] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 441.063333][ T3784] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 441.063659][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 441.063978][ T3784] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 441.064299][ T3784] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 441.064630][ T3784] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 441.064952][ T3784] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 441.065276][ T3784] ? 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) 
[ 441.065594][ T3784] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 441.065914][ T3784] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 441.066228][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 441.066563][ T3784] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 441.066878][ T3784] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 441.067200][ T3784] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 441.067550][ T3784] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 441.067866][ T3784] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 441.068168][ T3784] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 441.068565][ T3784] ___sys_sendmsg (net/socket.c:2670) 
[ 441.068874][ T3784] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 441.069185][ T3784] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 441.069500][ T3784] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 441.069803][ T3784] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 441.070116][ T3784] ? __handle_mm_fault (mm/memory.c:6212) 
[ 441.070433][ T3784] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 441.070741][ T3784] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 441.071079][ T3784] __sys_sendmsg (net/socket.c:2700) 
[ 441.071416][ T3784] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 441.071720][ T3784] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 441.072039][ T3784] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 441.072375][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 441.072684][ T3784] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 441.072991][ T3784] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  441.073401][ T3784] RIP: 0033:0x7fd50588e1e7
[ 441.073726][ T3784] 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)
[  441.074854][ T3784] RSP: 002b:00007ffe03080288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  441.075359][ T3784] RAX: ffffffffffffffda RBX: 00007ffe030809c0 RCX: 00007fd50588e1e7
[  441.075825][ T3784] RDX: 0000000000000000 RSI: 00007ffe030802f0 RDI: 0000000000000005
[  441.076288][ T3784] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  441.076742][ T3784] R10: 00007fd50591cac0 R11: 0000000000000246 R12: 00007ffe030809f8
[  441.077204][ T3784] R13: 00000000686e0b40 R14: 0000000000499600 R15: 00007ffe030803e0
| [  445.689785][ T3814] ------------[ cut here ]------------
| [ 445.690133][ T3814] WARNING: CPU: 1 PID: 3814 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) 
| [  445.690785][ T3814] Modules linked in: vxlan
| [  445.692672][ T3814] Tainted: [W]=WARN
[  445.692936][ T3814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 445.693347][ T3814] 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) 
[ 445.693677][ T3814] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  445.694837][ T3814] RSP: 0018:ffffc90007e17080 EFLAGS: 00010246
[  445.695253][ T3814] RAX: 0000000000000000 RBX: ffff88801124a000 RCX: 0000000000000001
[  445.695738][ T3814] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  445.696218][ T3814] RBP: ffffc90007e17168 R08: 0000000000000000 R09: 0000000000000000
[  445.696713][ T3814] R10: ffffc90007e17198 R11: ffffffff95f8d1e0 R12: 1ffff92000fc2e14
[  445.697194][ T3814] R13: 00000000000005dc R14: ffffc90007e17198 R15: ffff88801124af48
[  445.697686][ T3814] FS:  00007f1abdc30800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  445.698261][ T3814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  445.698673][ T3814] CR2: 00007f1abdd30130 CR3: 0000000011304001 CR4: 0000000000772ef0
[  445.699160][ T3814] PKRU: 55555554
[  445.699418][ T3814] Call Trace:
[  445.699660][ T3814]  <TASK>
[ 445.699827][ T3814] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 445.700150][ T3814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 445.700500][ T3814] netif_set_mtu (net/core/dev.c:9652) 
[ 445.700822][ T3814] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 445.701162][ T3814] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 445.701432][ T3814] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 445.701766][ T3814] br_add_if (net/bridge/br_if.c:697) 
[ 445.702019][ T3814] do_set_master (net/core/rtnetlink.c:2948) 
[ 445.702347][ T3814] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 445.702671][ T3814] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 445.702997][ T3814] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 445.703326][ T3814] ? __dev_get_by_name (net/core/dev.c:865) 
[ 445.703647][ T3814] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 445.703963][ T3814] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 445.704298][ T3814] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 445.704612][ T3814] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 445.704933][ T3814] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 445.705274][ T3814] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 445.705598][ T3814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 445.705935][ T3814] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 445.706268][ T3814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 445.706595][ T3814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 445.706914][ T3814] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 445.707231][ T3814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 445.707566][ T3814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 445.707891][ T3814] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 445.708224][ T3814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 445.708555][ T3814] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 445.708885][ T3814] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 445.709202][ T3814] ? 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) 
[ 445.709573][ T3814] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 445.709895][ T3814] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 445.710213][ T3814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 445.710554][ T3814] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 445.710877][ T3814] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 445.711194][ T3814] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 445.711544][ T3814] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 445.711868][ T3814] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 445.712184][ T3814] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 445.712601][ T3814] ___sys_sendmsg (net/socket.c:2670) 
[ 445.712932][ T3814] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 445.713267][ T3814] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 445.713591][ T3814] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 445.713908][ T3814] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 445.714232][ T3814] ? __handle_mm_fault (mm/memory.c:6212) 
[ 445.714566][ T3814] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 445.714886][ T3814] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 445.715248][ T3814] __sys_sendmsg (net/socket.c:2700) 
[ 445.715572][ T3814] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 445.715893][ T3814] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 445.716224][ T3814] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 445.716560][ T3814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 445.716885][ T3814] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 445.717208][ T3814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  445.717621][ T3814] RIP: 0033:0x7f1abddfd1e7
[ 445.717954][ T3814] 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)
[  445.719110][ T3814] RSP: 002b:00007fff0066ac98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  445.719608][ T3814] RAX: ffffffffffffffda RBX: 00007fff0066b3d0 RCX: 00007f1abddfd1e7
[  445.720106][ T3814] RDX: 0000000000000000 RSI: 00007fff0066ad00 RDI: 0000000000000005
[  445.720586][ T3814] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  445.721045][ T3814] R10: 00007f1abde8bac0 R11: 0000000000000246 R12: 00007fff0066b408
[  445.721540][ T3814] R13: 00000000686e0b45 R14: 0000000000499600 R15: 00007fff0066adf0
| [  453.283886][ T3879] ------------[ cut here ]------------
| [ 453.284276][ T3879] WARNING: CPU: 3 PID: 3879 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) 
| [  453.284968][ T3879] Modules linked in: vxlan
| [  453.286029][ T3879] Tainted: [W]=WARN
[  453.286302][ T3879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 453.286747][ T3879] 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) 
[ 453.287101][ T3879] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  453.288343][ T3879] RSP: 0018:ffffc90008137080 EFLAGS: 00010246
[  453.288783][ T3879] RAX: 0000000000000000 RBX: ffff88800e84a000 RCX: 0000000000000001
[  453.289317][ T3879] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  453.289832][ T3879] RBP: ffffc90008137168 R08: 0000000000000000 R09: 0000000000000000
[  453.290362][ T3879] R10: ffffc90008137198 R11: ffffffff95f8d1e0 R12: 1ffff92001026e14
[  453.290876][ T3879] R13: 00000000000005dc R14: ffffc90008137198 R15: ffff88800e84af48
[  453.291421][ T3879] FS:  00007f51ecf1a800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  453.292060][ T3879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  453.292544][ T3879] CR2: 00007f51ed105ba0 CR3: 000000000b159004 CR4: 0000000000772ef0
[  453.293090][ T3879] PKRU: 55555554
[  453.293372][ T3879] Call Trace:
[  453.293643][ T3879]  <TASK>
[ 453.293837][ T3879] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 453.294204][ T3879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.294591][ T3879] netif_set_mtu (net/core/dev.c:9652) 
[ 453.294938][ T3879] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 453.295308][ T3879] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 453.295574][ T3879] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 453.295924][ T3879] br_add_if (net/bridge/br_if.c:697) 
[ 453.296205][ T3879] do_set_master (net/core/rtnetlink.c:2948) 
[ 453.296596][ T3879] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 453.296964][ T3879] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 453.297330][ T3879] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 453.297675][ T3879] ? __dev_get_by_name (net/core/dev.c:865) 
[ 453.298031][ T3879] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 453.298387][ T3879] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 453.298740][ T3879] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 453.299087][ T3879] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 453.299452][ T3879] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 453.299809][ T3879] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 453.300158][ T3879] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 453.300526][ T3879] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 453.300868][ T3879] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 453.301212][ T3879] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 453.301584][ T3879] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 453.301942][ T3879] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 453.302304][ T3879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.302655][ T3879] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 453.303000][ T3879] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 453.303356][ T3879] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 453.303714][ T3879] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 453.304057][ T3879] ? 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) 
[ 453.304433][ T3879] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 453.304828][ T3879] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 453.305142][ T3879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.305498][ T3879] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 453.305851][ T3879] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 453.306197][ T3879] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 453.306561][ T3879] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 453.306919][ T3879] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 453.307273][ T3879] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 453.307717][ T3879] ___sys_sendmsg (net/socket.c:2670) 
[ 453.308066][ T3879] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 453.308455][ T3879] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 453.308807][ T3879] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 453.309145][ T3879] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 453.309520][ T3879] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 453.309872][ T3879] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 453.310225][ T3879] __sys_sendmsg (net/socket.c:2700) 
[ 453.310583][ T3879] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 453.311210][ T3879] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 453.311590][ T3879] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 453.311943][ T3879] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  453.312612][ T3879] RIP: 0033:0x7f51ed0e71e7
[ 453.312976][ T3879] 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)
[  453.314445][ T3879] RSP: 002b:00007ffed7205a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  453.314967][ T3879] RAX: ffffffffffffffda RBX: 00007ffed72061d0 RCX: 00007f51ed0e71e7
[  453.315502][ T3879] RDX: 0000000000000000 RSI: 00007ffed7205b00 RDI: 0000000000000005
[  453.316265][ T3879] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  453.316779][ T3879] R10: 00007f51ed175ac0 R11: 0000000000000246 R12: 00007ffed7206208
[  453.317519][ T3879] R13: 00000000686e0b4c R14: 0000000000499600 R15: 00007ffed7205bf0
| [  457.615544][ T3909] ------------[ cut here ]------------
| [ 457.615935][ T3909] WARNING: CPU: 0 PID: 3909 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) 
| [  457.616587][ T3909] Modules linked in: vxlan
| [  457.617611][ T3909] Tainted: [W]=WARN
[  457.617883][ T3909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 457.618309][ T3909] 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) 
[ 457.618642][ T3909] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  457.619813][ T3909] RSP: 0018:ffffc90008267080 EFLAGS: 00010246
[  457.620224][ T3909] RAX: 0000000000000000 RBX: ffff88800a03a000 RCX: 0000000000000001
[  457.620719][ T3909] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  457.621197][ T3909] RBP: ffffc90008267168 R08: 0000000000000000 R09: 0000000000000000
[  457.621716][ T3909] R10: ffffc90008267198 R11: ffffffff95f8d1e0 R12: 1ffff9200104ce14
[  457.622199][ T3909] R13: 00000000000005dc R14: ffffc90008267198 R15: ffff88800a03af48
[  457.622693][ T3909] FS:  00007f935daa8800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  457.623266][ T3909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  457.623670][ T3909] CR2: 00007f935dc93ba0 CR3: 00000000123cc006 CR4: 0000000000772ef0
[  457.624152][ T3909] PKRU: 55555554
[  457.624541][ T3909] Call Trace:
[  457.624771][ T3909]  <TASK>
[ 457.624936][ T3909] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 457.625267][ T3909] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.625603][ T3909] netif_set_mtu (net/core/dev.c:9652) 
[ 457.625950][ T3909] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 457.626296][ T3909] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 457.626544][ T3909] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 457.626871][ T3909] br_add_if (net/bridge/br_if.c:697) 
[ 457.627126][ T3909] do_set_master (net/core/rtnetlink.c:2948) 
[ 457.627457][ T3909] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 457.627783][ T3909] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 457.628106][ T3909] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 457.628430][ T3909] ? __dev_get_by_name (net/core/dev.c:865) 
[ 457.628752][ T3909] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 457.629072][ T3909] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 457.629407][ T3909] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 457.629759][ T3909] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 457.630086][ T3909] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 457.630427][ T3909] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 457.630754][ T3909] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.631086][ T3909] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 457.631423][ T3909] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 457.631748][ T3909] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 457.632069][ T3909] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 457.632411][ T3909] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.632735][ T3909] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.633060][ T3909] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 457.633390][ T3909] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 457.633737][ T3909] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 457.634072][ T3909] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 457.634403][ T3909] ? 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) 
[ 457.634731][ T3909] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 457.635055][ T3909] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 457.635381][ T3909] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.635709][ T3909] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 457.636033][ T3909] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 457.636361][ T3909] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 457.636691][ T3909] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 457.637021][ T3909] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 457.637346][ T3909] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 457.637792][ T3909] ___sys_sendmsg (net/socket.c:2670) 
[ 457.638116][ T3909] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 457.638454][ T3909] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.638779][ T3909] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 457.639098][ T3909] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 457.639437][ T3909] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 457.639774][ T3909] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 457.640107][ T3909] __sys_sendmsg (net/socket.c:2700) 
[ 457.640438][ T3909] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 457.640772][ T3909] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 457.641099][ T3909] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 457.641499][ T3909] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  457.641933][ T3909] RIP: 0033:0x7f935dc751e7
[ 457.642287][ T3909] 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)
[  457.643456][ T3909] RSP: 002b:00007ffe190a0e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.643944][ T3909] RAX: ffffffffffffffda RBX: 00007ffe190a1550 RCX: 00007f935dc751e7
[  457.644499][ T3909] RDX: 0000000000000000 RSI: 00007ffe190a0e80 RDI: 0000000000000005
[  457.644963][ T3909] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  457.645433][ T3909] R10: 00007f935dd03ac0 R11: 0000000000000246 R12: 00007ffe190a1588
[  457.645924][ T3909] R13: 00000000686e0b51 R14: 0000000000499600 R15: 00007ffe190a0f70
| [  482.021341][ T4145] ------------[ cut here ]------------
| [ 482.021692][ T4145] WARNING: CPU: 0 PID: 4145 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) 
| [  482.022313][ T4145] Modules linked in: vxlan
| [  482.023271][ T4145] Tainted: [W]=WARN
[  482.023501][ T4145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 482.023892][ T4145] 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) 
[ 482.024217][ T4145] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  482.025549][ T4145] RSP: 0018:ffffc90008887080 EFLAGS: 00010246
[  482.025962][ T4145] RAX: 0000000000000000 RBX: ffff88800b30a000 RCX: 0000000000000001
[  482.026652][ T4145] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  482.027111][ T4145] RBP: ffffc90008887168 R08: 0000000000000000 R09: 0000000000000000
[  482.027786][ T4145] R10: ffffc90008887198 R11: ffffffff95f8d1e0 R12: 1ffff92001110e14
[  482.028379][ T4145] R13: 00000000000005dc R14: ffffc90008887198 R15: ffff88800b30af48
[  482.028900][ T4145] FS:  00007f126aadf800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  482.029488][ T4145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  482.029909][ T4145] CR2: 000000000043d940 CR3: 0000000012e53001 CR4: 0000000000772ef0
[  482.030403][ T4145] PKRU: 55555554
[  482.030656][ T4145] Call Trace:
[  482.030896][ T4145]  <TASK>
[ 482.031060][ T4145] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 482.031415][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 482.031780][ T4145] netif_set_mtu (net/core/dev.c:9652) 
[ 482.032104][ T4145] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 482.032475][ T4145] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 482.032730][ T4145] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 482.033055][ T4145] br_add_if (net/bridge/br_if.c:697) 
[ 482.033335][ T4145] do_set_master (net/core/rtnetlink.c:2948) 
[ 482.033677][ T4145] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 482.034010][ T4145] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 482.034379][ T4145] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 482.034710][ T4145] ? __dev_get_by_name (net/core/dev.c:865) 
[ 482.035033][ T4145] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 482.035364][ T4145] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 482.035700][ T4145] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 482.036016][ T4145] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 482.036358][ T4145] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 482.036700][ T4145] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 482.037025][ T4145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 482.037383][ T4145] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 482.037717][ T4145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 482.038037][ T4145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 482.038370][ T4145] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 482.038730][ T4145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 482.039063][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 482.039400][ T4145] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 482.039721][ T4145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 482.040039][ T4145] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 482.040383][ T4145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 482.040700][ T4145] ? 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) 
[ 482.041057][ T4145] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 482.041402][ T4145] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 482.041739][ T4145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 482.042069][ T4145] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 482.042403][ T4145] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 482.042753][ T4145] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 482.043081][ T4145] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 482.043408][ T4145] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 482.043732][ T4145] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 482.044140][ T4145] ___sys_sendmsg (net/socket.c:2670) 
[ 482.044468][ T4145] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 482.044787][ T4145] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 482.045106][ T4145] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 482.045442][ T4145] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 482.045777][ T4145] ? __handle_mm_fault (mm/memory.c:6212) 
[ 482.046095][ T4145] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 482.046423][ T4145] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 482.046764][ T4145] __sys_sendmsg (net/socket.c:2700) 
[ 482.047083][ T4145] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 482.047408][ T4145] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 482.047734][ T4145] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 482.048068][ T4145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 482.048399][ T4145] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 482.048721][ T4145] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  482.049116][ T4145] RIP: 0033:0x7f126acac1e7
[ 482.049466][ T4145] 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)
[  482.050622][ T4145] RSP: 002b:00007fff0619c3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  482.051107][ T4145] RAX: ffffffffffffffda RBX: 00007fff0619caf0 RCX: 00007f126acac1e7
[  482.051629][ T4145] RDX: 0000000000000000 RSI: 00007fff0619c420 RDI: 0000000000000005
[  482.052091][ T4145] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  482.052557][ T4145] R10: 00007f126ad3aac0 R11: 0000000000000246 R12: 00007fff0619cb28
[  482.053011][ T4145] R13: 00000000686e0b69 R14: 0000000000499600 R15: 00007fff0619c510
| [  486.556766][ T4175] ------------[ cut here ]------------
| [ 486.557085][ T4175] WARNING: CPU: 3 PID: 4175 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) 
| [  486.557725][ T4175] Modules linked in: vxlan
| [  486.558667][ T4175] Tainted: [W]=WARN
[  486.558904][ T4175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 486.559312][ T4175] 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) 
[ 486.559629][ T4175] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  486.560724][ T4175] RSP: 0018:ffffc900089e7080 EFLAGS: 00010246
[  486.561108][ T4175] RAX: 0000000000000000 RBX: ffff88800e84a000 RCX: 0000000000000001
[  486.561616][ T4175] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  486.562070][ T4175] RBP: ffffc900089e7168 R08: 0000000000000000 R09: 0000000000000000
[  486.562543][ T4175] R10: ffffc900089e7198 R11: ffffffff95f8d1e0 R12: 1ffff9200113ce14
[  486.563016][ T4175] R13: 00000000000005dc R14: ffffc900089e7198 R15: ffff88800e84af48
[  486.563504][ T4175] FS:  00007f974a22f800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  486.564053][ T4175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  486.564465][ T4175] CR2: 000000000043d940 CR3: 000000000cbce001 CR4: 0000000000772ef0
[  486.564922][ T4175] PKRU: 55555554
[  486.565149][ T4175] Call Trace:
[  486.565385][ T4175]  <TASK>
[ 486.565542][ T4175] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 486.565847][ T4175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 486.566172][ T4175] netif_set_mtu (net/core/dev.c:9652) 
[ 486.566486][ T4175] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 486.566809][ T4175] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 486.567041][ T4175] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 486.567369][ T4175] br_add_if (net/bridge/br_if.c:697) 
[ 486.567612][ T4175] do_set_master (net/core/rtnetlink.c:2948) 
[ 486.567913][ T4175] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 486.568218][ T4175] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 486.568541][ T4175] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 486.568843][ T4175] ? __dev_get_by_name (net/core/dev.c:865) 
[ 486.569146][ T4175] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 486.569456][ T4175] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 486.569765][ T4175] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 486.570065][ T4175] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 486.570380][ T4175] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 486.570700][ T4175] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 486.571008][ T4175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 486.571342][ T4175] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 486.571655][ T4175] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 486.571967][ T4175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 486.572277][ T4175] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 486.572582][ T4175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 486.572889][ T4175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 486.573202][ T4175] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 486.573515][ T4175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 486.573821][ T4175] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 486.574135][ T4175] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 486.574445][ T4175] ? 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) 
[ 486.574761][ T4175] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 486.575068][ T4175] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 486.575403][ T4175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 486.575714][ T4175] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 486.576028][ T4175] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 486.576342][ T4175] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 486.576650][ T4175] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 486.576955][ T4175] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 486.577269][ T4175] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 486.577670][ T4175] ___sys_sendmsg (net/socket.c:2670) 
[ 486.577975][ T4175] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 486.578290][ T4175] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 486.578597][ T4175] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 486.578897][ T4175] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 486.579202][ T4175] ? __handle_mm_fault (mm/memory.c:6212) 
[ 486.579525][ T4175] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 486.579831][ T4175] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 486.580153][ T4175] __sys_sendmsg (net/socket.c:2700) 
[ 486.580464][ T4175] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 486.580768][ T4175] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 486.581075][ T4175] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 486.581390][ T4175] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 486.581707][ T4175] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 486.582016][ T4175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  486.582399][ T4175] RIP: 0033:0x7f974a3fc1e7
[ 486.582713][ T4175] 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)
[  486.583814][ T4175] RSP: 002b:00007fff0b390808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  486.584285][ T4175] RAX: ffffffffffffffda RBX: 00007fff0b390f40 RCX: 00007f974a3fc1e7
[  486.584741][ T4175] RDX: 0000000000000000 RSI: 00007fff0b390870 RDI: 0000000000000005
[  486.585191][ T4175] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  486.585651][ T4175] R10: 00007f974a48aac0 R11: 0000000000000246 R12: 00007fff0b390f78
[  486.586106][ T4175] R13: 00000000686e0b6e R14: 0000000000499600 R15: 00007fff0b390960
| [  494.228748][ T4241] ------------[ cut here ]------------
| [ 494.229079][ T4241] WARNING: CPU: 2 PID: 4241 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) 
| [  494.230419][ T4241] Modules linked in: vxlan
| [  494.231391][ T4241] Tainted: [W]=WARN
[  494.231641][ T4241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 494.232033][ T4241] 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) 
[ 494.232387][ T4241] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  494.233499][ T4241] RSP: 0018:ffffc90008d47080 EFLAGS: 00010246
[  494.233901][ T4241] RAX: 0000000000000000 RBX: ffff88800f17a000 RCX: 0000000000000001
[  494.234383][ T4241] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  494.234849][ T4241] RBP: ffffc90008d47168 R08: 0000000000000000 R09: 0000000000000000
[  494.235331][ T4241] R10: ffffc90008d47198 R11: ffffffff95f8d1e0 R12: 1ffff920011a8e14
[  494.235807][ T4241] R13: 00000000000005dc R14: ffffc90008d47198 R15: ffff88800f17af48
[  494.236296][ T4241] FS:  00007fa5346c9800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  494.236840][ T4241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  494.237245][ T4241] CR2: 00007fa5348b4ba0 CR3: 0000000013123003 CR4: 0000000000772ef0
[  494.237724][ T4241] PKRU: 55555554
[  494.237967][ T4241] Call Trace:
[  494.238205][ T4241]  <TASK>
[ 494.238393][ T4241] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 494.238712][ T4241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.239046][ T4241] netif_set_mtu (net/core/dev.c:9652) 
[ 494.239376][ T4241] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 494.239710][ T4241] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 494.239955][ T4241] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 494.240336][ T4241] br_add_if (net/bridge/br_if.c:697) 
[ 494.240597][ T4241] do_set_master (net/core/rtnetlink.c:2948) 
[ 494.240922][ T4241] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 494.241260][ T4241] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 494.241615][ T4241] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 494.241933][ T4241] ? __dev_get_by_name (net/core/dev.c:865) 
[ 494.242261][ T4241] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 494.242587][ T4241] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 494.242908][ T4241] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 494.243226][ T4241] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 494.243559][ T4241] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 494.243889][ T4241] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 494.244210][ T4241] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 494.244567][ T4241] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 494.244884][ T4241] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 494.245216][ T4241] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 494.245558][ T4241] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 494.245891][ T4241] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 494.246211][ T4241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.246547][ T4241] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 494.246866][ T4241] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 494.247188][ T4241] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 494.247532][ T4241] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 494.247851][ T4241] ? 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) 
[ 494.248172][ T4241] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 494.248514][ T4241] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 494.248830][ T4241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.249154][ T4241] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 494.249502][ T4241] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 494.249834][ T4241] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 494.250158][ T4241] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 494.250487][ T4241] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 494.250801][ T4241] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 494.251205][ T4241] ___sys_sendmsg (net/socket.c:2670) 
[ 494.251551][ T4241] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 494.251906][ T4241] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 494.252270][ T4241] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 494.252592][ T4241] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 494.252912][ T4241] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 494.253256][ T4241] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 494.253598][ T4241] __sys_sendmsg (net/socket.c:2700) 
[ 494.253924][ T4241] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 494.254265][ T4241] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 494.254589][ T4241] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 494.254918][ T4241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  494.255322][ T4241] RIP: 0033:0x7fa5348961e7
[ 494.255649][ T4241] 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)
[  494.256776][ T4241] RSP: 002b:00007fff06785a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  494.257277][ T4241] RAX: ffffffffffffffda RBX: 00007fff06786170 RCX: 00007fa5348961e7
[  494.257759][ T4241] RDX: 0000000000000000 RSI: 00007fff06785aa0 RDI: 0000000000000005
[  494.258231][ T4241] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  494.258720][ T4241] R10: 00007fa534924ac0 R11: 0000000000000246 R12: 00007fff067861a8
[  494.259200][ T4241] R13: 00000000686e0b75 R14: 0000000000499600 R15: 00007fff06785b90
| [  498.666209][ T4271] ------------[ cut here ]------------
| [ 498.666561][ T4271] WARNING: CPU: 0 PID: 4271 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) 
| [  498.667219][ T4271] Modules linked in: vxlan
| [  498.669193][ T4271] Tainted: [W]=WARN
[  498.669462][ T4271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 498.669857][ T4271] 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) 
[ 498.670192][ T4271] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  498.671380][ T4271] RSP: 0018:ffffc90008ea7080 EFLAGS: 00010246
[  498.671853][ T4271] RAX: 0000000000000000 RBX: ffff88800c98a000 RCX: 0000000000000001
[  498.672382][ T4271] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  498.672868][ T4271] RBP: ffffc90008ea7168 R08: 0000000000000000 R09: 0000000000000000
[  498.673428][ T4271] R10: ffffc90008ea7198 R11: ffffffff95f8d1e0 R12: 1ffff920011d4e14
[  498.674074][ T4271] R13: 00000000000005dc R14: ffffc90008ea7198 R15: ffff88800c98af48
[  498.674598][ T4271] FS:  00007fa0a361f800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  498.675183][ T4271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  498.675599][ T4271] CR2: 00007fa0a380aba0 CR3: 000000000d3d7001 CR4: 0000000000772ef0
[  498.676082][ T4271] PKRU: 55555554
[  498.676358][ T4271] Call Trace:
[  498.676598][ T4271]  <TASK>
[ 498.676763][ T4271] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 498.677092][ T4271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 498.677444][ T4271] netif_set_mtu (net/core/dev.c:9652) 
[ 498.677764][ T4271] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 498.678103][ T4271] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 498.678362][ T4271] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 498.678686][ T4271] br_add_if (net/bridge/br_if.c:697) 
[ 498.678935][ T4271] do_set_master (net/core/rtnetlink.c:2948) 
[ 498.679280][ T4271] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 498.679604][ T4271] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 498.679930][ T4271] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 498.680272][ T4271] ? __dev_get_by_name (net/core/dev.c:865) 
[ 498.680809][ T4271] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 498.681147][ T4271] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 498.681511][ T4271] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 498.681828][ T4271] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 498.682157][ T4271] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 498.682509][ T4271] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 498.682899][ T4271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 498.683401][ T4271] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 498.683837][ T4271] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 498.684310][ T4271] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 498.684821][ T4271] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 498.685380][ T4271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 498.685910][ T4271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 498.686430][ T4271] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 498.686748][ T4271] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 498.687074][ T4271] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 498.687411][ T4271] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 498.687728][ T4271] ? 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) 
[ 498.688062][ T4271] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 498.688394][ T4271] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 498.688712][ T4271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 498.689042][ T4271] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 498.689376][ T4271] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 498.689695][ T4271] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 498.690024][ T4271] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 498.690349][ T4271] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 498.690673][ T4271] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 498.691084][ T4271] ___sys_sendmsg (net/socket.c:2670) 
[ 498.691413][ T4271] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 498.691748][ T4271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 498.692071][ T4271] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 498.692395][ T4271] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 498.692722][ T4271] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 498.693057][ T4271] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 498.693388][ T4271] __sys_sendmsg (net/socket.c:2700) 
[ 498.693704][ T4271] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 498.694043][ T4271] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 498.694371][ T4271] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 498.694689][ T4271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  498.695089][ T4271] RIP: 0033:0x7fa0a37ec1e7
[ 498.695429][ T4271] 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)
[  498.696849][ T4271] RSP: 002b:00007ffc03971f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  498.697604][ T4271] RAX: ffffffffffffffda RBX: 00007ffc03972680 RCX: 00007fa0a37ec1e7
[  498.698353][ T4271] RDX: 0000000000000000 RSI: 00007ffc03971fb0 RDI: 0000000000000005
[  498.699119][ T4271] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  498.699933][ T4271] R10: 00007fa0a387aac0 R11: 0000000000000246 R12: 00007ffc039726b8
[  498.700773][ T4271] R13: 00000000686e0b7a R14: 0000000000499600 R15: 00007ffc039720a0
| [  514.470217][ T4373] ------------[ cut here ]------------
| [ 514.471062][ T4373] WARNING: CPU: 2 PID: 4373 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) 
| [  514.471930][ T4373] Modules linked in: vxlan
| [  514.473283][ T4373] Tainted: [W]=WARN
[  514.473608][ T4373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 514.474118][ T4373] 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) 
[ 514.474578][ T4373] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  514.476028][ T4373] RSP: 0018:ffffc900092e7080 EFLAGS: 00010246
[  514.476569][ T4373] RAX: 0000000000000000 RBX: ffff8880056aa000 RCX: 0000000000000001
[  514.477180][ T4373] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  514.477909][ T4373] RBP: ffffc900092e7168 R08: 0000000000000000 R09: 0000000000000000
[  514.478568][ T4373] R10: ffffc900092e7198 R11: ffffffff95f8d1e0 R12: 1ffff9200125ce14
[  514.479206][ T4373] R13: 00000000000005dc R14: ffffc900092e7198 R15: ffff8880056aaf48
[  514.479861][ T4373] FS:  00007f7e13c4d800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  514.480625][ T4373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  514.481160][ T4373] CR2: 000000000043d940 CR3: 000000001113e006 CR4: 0000000000772ef0
[  514.481848][ T4373] PKRU: 55555554
[  514.482186][ T4373] Call Trace:
[  514.482537][ T4373]  <TASK>
[ 514.482785][ T4373] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 514.483279][ T4373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 514.483749][ T4373] netif_set_mtu (net/core/dev.c:9652) 
[ 514.484190][ T4373] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 514.484674][ T4373] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 514.485051][ T4373] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 514.485564][ T4373] br_add_if (net/bridge/br_if.c:697) 
[ 514.485972][ T4373] do_set_master (net/core/rtnetlink.c:2948) 
[ 514.486502][ T4373] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 514.486961][ T4373] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 514.487466][ T4373] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 514.487926][ T4373] ? __dev_get_by_name (net/core/dev.c:865) 
[ 514.488403][ T4373] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 514.488845][ T4373] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 514.489330][ T4373] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 514.489767][ T4373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 514.490221][ T4373] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 514.490700][ T4373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 514.491162][ T4373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 514.491653][ T4373] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 514.492107][ T4373] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 514.492574][ T4373] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 514.493017][ T4373] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 514.493517][ T4373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 514.493966][ T4373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 514.494442][ T4373] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 514.494872][ T4373] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 514.495325][ T4373] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 514.495773][ T4373] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 514.496199][ T4373] ? 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) 
[ 514.496649][ T4373] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 514.497091][ T4373] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 514.497595][ T4373] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 514.498058][ T4373] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 514.498540][ T4373] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 514.499011][ T4373] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 514.499518][ T4373] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 514.499977][ T4373] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 514.500439][ T4373] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 514.501030][ T4373] ___sys_sendmsg (net/socket.c:2670) 
[ 514.501524][ T4373] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 514.501985][ T4373] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 514.502457][ T4373] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 514.502914][ T4373] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 514.503388][ T4373] ? __handle_mm_fault (mm/memory.c:6212) 
[ 514.503852][ T4373] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 514.504327][ T4373] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 514.504814][ T4373] __sys_sendmsg (net/socket.c:2700) 
[ 514.505322][ T4373] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 514.505790][ T4373] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 514.506297][ T4373] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 514.506743][ T4373] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 514.507186][ T4373] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 514.507663][ T4373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  514.508199][ T4373] RIP: 0033:0x7f7e13e1a1e7
[ 514.508676][ T4373] 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)
[  514.510211][ T4373] RSP: 002b:00007fff9d724878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  514.510893][ T4373] RAX: ffffffffffffffda RBX: 00007fff9d724fb0 RCX: 00007f7e13e1a1e7
[  514.511592][ T4373] RDX: 0000000000000000 RSI: 00007fff9d7248e0 RDI: 0000000000000005
[  514.512293][ T4373] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  514.512938][ T4373] R10: 00007f7e13ea8ac0 R11: 0000000000000246 R12: 00007fff9d724fe8
[  514.513630][ T4373] R13: 00000000686e0b89 R14: 0000000000499600 R15: 00007fff9d7249d0
| [  519.032269][ T4403] ------------[ cut here ]------------
| [ 519.032608][ T4403] WARNING: CPU: 1 PID: 4403 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) 
| [  519.033256][ T4403] Modules linked in: vxlan
| [  519.034217][ T4403] Tainted: [W]=WARN
[  519.034474][ T4403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 519.034883][ T4403] 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) 
[ 519.035200][ T4403] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  519.036354][ T4403] RSP: 0018:ffffc90009467080 EFLAGS: 00010246
[  519.036751][ T4403] RAX: 0000000000000000 RBX: ffff88800f17a000 RCX: 0000000000000001
[  519.037208][ T4403] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  519.037685][ T4403] RBP: ffffc90009467168 R08: 0000000000000000 R09: 0000000000000000
[  519.038156][ T4403] R10: ffffc90009467198 R11: ffffffff95f8d1e0 R12: 1ffff9200128ce14
[  519.038624][ T4403] R13: 00000000000005dc R14: ffffc90009467198 R15: ffff88800f17af48
[  519.039092][ T4403] FS:  00007efffb8f8800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  519.039644][ T4403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  519.040047][ T4403] CR2: 000000000043d940 CR3: 000000000bed5002 CR4: 0000000000772ef0
[  519.040555][ T4403] PKRU: 55555554
[  519.040789][ T4403] Call Trace:
[  519.041019][ T4403]  <TASK>
[ 519.041177][ T4403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 519.041507][ T4403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 519.041838][ T4403] netif_set_mtu (net/core/dev.c:9652) 
[ 519.042143][ T4403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 519.042477][ T4403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 519.042721][ T4403] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 519.043037][ T4403] br_add_if (net/bridge/br_if.c:697) 
[ 519.043299][ T4403] do_set_master (net/core/rtnetlink.c:2948) 
[ 519.043613][ T4403] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 519.043925][ T4403] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 519.044289][ T4403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 519.044596][ T4403] ? __dev_get_by_name (net/core/dev.c:865) 
[ 519.044912][ T4403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 519.045228][ T4403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 519.045562][ T4403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 519.045868][ T4403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 519.046180][ T4403] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 519.046521][ T4403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 519.046834][ T4403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 519.047151][ T4403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 519.047465][ T4403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 519.047775][ T4403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 519.048081][ T4403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 519.048431][ T4403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 519.048743][ T4403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 519.049061][ T4403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 519.049378][ T4403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 519.049686][ T4403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 519.050002][ T4403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 519.050327][ T4403] ? 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) 
[ 519.050638][ T4403] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 519.050946][ T4403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 519.051272][ T4403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 519.051596][ T4403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 519.051927][ T4403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 519.052328][ T4403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 519.052645][ T4403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 519.052954][ T4403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 519.053300][ T4403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 519.053699][ T4403] ___sys_sendmsg (net/socket.c:2670) 
[ 519.054009][ T4403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 519.054348][ T4403] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 519.054670][ T4403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 519.054973][ T4403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 519.055305][ T4403] ? __handle_mm_fault (mm/memory.c:6212) 
[ 519.055616][ T4403] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 519.055928][ T4403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 519.056293][ T4403] __sys_sendmsg (net/socket.c:2700) 
[ 519.056604][ T4403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 519.056912][ T4403] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 519.057230][ T4403] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 519.057611][ T4403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 519.057933][ T4403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 519.058266][ T4403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  519.058652][ T4403] RIP: 0033:0x7efffbac51e7
[ 519.058977][ T4403] 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)
[  519.060099][ T4403] RSP: 002b:00007fff0e599858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  519.060611][ T4403] RAX: ffffffffffffffda RBX: 00007fff0e599f90 RCX: 00007efffbac51e7
[  519.061079][ T4403] RDX: 0000000000000000 RSI: 00007fff0e5998c0 RDI: 0000000000000005
[  519.061577][ T4403] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  519.062049][ T4403] R10: 00007efffbb53ac0 R11: 0000000000000246 R12: 00007fff0e599fc8
[  519.062530][ T4403] R13: 00000000686e0b8e R14: 0000000000499600 R15: 00007fff0e5999b0
| [  526.993929][ T4469] ------------[ cut here ]------------
| [ 526.994275][ T4469] WARNING: CPU: 1 PID: 4469 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) 
| [  526.994912][ T4469] Modules linked in: vxlan
| [  526.995920][ T4469] Tainted: [W]=WARN
[  526.996168][ T4469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 526.996621][ T4469] 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) 
[ 526.996965][ T4469] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  526.998134][ T4469] RSP: 0018:ffffc90009727080 EFLAGS: 00010246
[  526.998560][ T4469] RAX: 0000000000000000 RBX: ffff88800e03a000 RCX: 0000000000000001
[  526.999036][ T4469] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  526.999542][ T4469] RBP: ffffc90009727168 R08: 0000000000000000 R09: 0000000000000000
[  527.000018][ T4469] R10: ffffc90009727198 R11: ffffffff95f8d1e0 R12: 1ffff920012e4e14
[  527.000521][ T4469] R13: 00000000000005dc R14: ffffc90009727198 R15: ffff88800e03af48
[  527.000999][ T4469] FS:  00007fce84da4800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  527.001578][ T4469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  527.001980][ T4469] CR2: 00007fce84f8fba0 CR3: 000000000d342005 CR4: 0000000000772ef0
[  527.002480][ T4469] PKRU: 55555554
[  527.002728][ T4469] Call Trace:
[  527.002963][ T4469]  <TASK>
[ 527.003144][ T4469] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 527.003512][ T4469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 527.003850][ T4469] netif_set_mtu (net/core/dev.c:9652) 
[ 527.004166][ T4469] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 527.004507][ T4469] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 527.004814][ T4469] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 527.005155][ T4469] br_add_if (net/bridge/br_if.c:697) 
[ 527.005423][ T4469] do_set_master (net/core/rtnetlink.c:2948) 
[ 527.005752][ T4469] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 527.006080][ T4469] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 527.006417][ T4469] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 527.006731][ T4469] ? __dev_get_by_name (net/core/dev.c:865) 
[ 527.007055][ T4469] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 527.007395][ T4469] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 527.007729][ T4469] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 527.008048][ T4469] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 527.008381][ T4469] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 527.008712][ T4469] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 527.009035][ T4469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 527.009373][ T4469] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 527.009686][ T4469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 527.010013][ T4469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 527.010339][ T4469] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 527.010658][ T4469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 527.010979][ T4469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 527.011321][ T4469] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 527.011649][ T4469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 527.011969][ T4469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 527.012309][ T4469] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 527.012632][ T4469] ? 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) 
[ 527.012953][ T4469] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 527.013282][ T4469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 527.013597][ T4469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 527.013921][ T4469] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 527.014258][ T4469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 527.014576][ T4469] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 527.014910][ T4469] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 527.015232][ T4469] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 527.015576][ T4469] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 527.015987][ T4469] ___sys_sendmsg (net/socket.c:2670) 
[ 527.016317][ T4469] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 527.016641][ T4469] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 527.016965][ T4469] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 527.017296][ T4469] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 527.017622][ T4469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 527.017959][ T4469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 527.018295][ T4469] __sys_sendmsg (net/socket.c:2700) 
[ 527.018617][ T4469] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 527.018950][ T4469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 527.019291][ T4469] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 527.019621][ T4469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  527.020014][ T4469] RIP: 0033:0x7fce84f711e7
[ 527.020355][ T4469] 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)
[  527.021501][ T4469] RSP: 002b:00007ffc1d8fc498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  527.021995][ T4469] RAX: ffffffffffffffda RBX: 00007ffc1d8fcbd0 RCX: 00007fce84f711e7
[  527.022481][ T4469] RDX: 0000000000000000 RSI: 00007ffc1d8fc500 RDI: 0000000000000005
[  527.022956][ T4469] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  527.023451][ T4469] R10: 00007fce84fffac0 R11: 0000000000000246 R12: 00007ffc1d8fcc08
[  527.023932][ T4469] R13: 00000000686e0b96 R14: 0000000000499600 R15: 00007ffc1d8fc5f0
| [  531.744744][ T4499] ------------[ cut here ]------------
| [ 531.745097][ T4499] WARNING: CPU: 3 PID: 4499 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) 
| [  531.745823][ T4499] Modules linked in: vxlan
| [  531.746865][ T4499] Tainted: [W]=WARN
[  531.747106][ T4499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 531.747537][ T4499] 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) 
[ 531.747856][ T4499] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  531.749527][ T4499] RSP: 0018:ffffc90009897080 EFLAGS: 00010246
[  531.750083][ T4499] RAX: 0000000000000000 RBX: ffff8880113d2000 RCX: 0000000000000001
[  531.750923][ T4499] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  531.751755][ T4499] RBP: ffffc90009897168 R08: 0000000000000000 R09: 0000000000000000
[  531.752578][ T4499] R10: ffffc90009897198 R11: ffffffff95f8d1e0 R12: 1ffff92001312e14
[  531.753382][ T4499] R13: 00000000000005dc R14: ffffc90009897198 R15: ffff8880113d2f48
[  531.754189][ T4499] FS:  00007fa9686a3800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  531.755188][ T4499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  531.755883][ T4499] CR2: 00007fa96888eba0 CR3: 0000000012d1e001 CR4: 0000000000772ef0
[  531.756732][ T4499] PKRU: 55555554
[  531.757139][ T4499] Call Trace:
[  531.757562][ T4499]  <TASK>
[ 531.757844][ T4499] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 531.758440][ T4499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 531.759030][ T4499] netif_set_mtu (net/core/dev.c:9652) 
[ 531.759595][ T4499] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 531.760172][ T4499] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 531.760614][ T4499] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 531.761163][ T4499] br_add_if (net/bridge/br_if.c:697) 
[ 531.761627][ T4499] do_set_master (net/core/rtnetlink.c:2948) 
[ 531.762174][ T4499] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 531.762768][ T4499] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 531.763333][ T4499] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 531.763870][ T4499] ? __dev_get_by_name (net/core/dev.c:865) 
[ 531.764428][ T4499] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 531.764970][ T4499] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 531.765516][ T4499] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 531.766040][ T4499] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 531.766634][ T4499] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 531.767197][ T4499] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 531.767767][ T4499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 531.768345][ T4499] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 531.768898][ T4499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 531.769469][ T4499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 531.770023][ T4499] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 531.770608][ T4499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 531.771178][ T4499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 531.771755][ T4499] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 531.772312][ T4499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 531.772854][ T4499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 531.773435][ T4499] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 531.773979][ T4499] ? 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) 
[ 531.774553][ T4499] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 531.775103][ T4499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 531.775655][ T4499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 531.776211][ T4499] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 531.776778][ T4499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 531.777346][ T4499] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 531.777891][ T4499] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 531.778469][ T4499] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 531.779015][ T4499] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 531.779716][ T4499] ___sys_sendmsg (net/socket.c:2670) 
[ 531.780288][ T4499] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 531.780834][ T4499] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 531.781399][ T4499] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 531.781940][ T4499] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 531.782503][ T4499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 531.783071][ T4499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 531.783648][ T4499] __sys_sendmsg (net/socket.c:2700) 
[ 531.784187][ T4499] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 531.784777][ T4499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 531.785344][ T4499] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 531.785897][ T4499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  531.786572][ T4499] RIP: 0033:0x7fa9688701e7
[ 531.787110][ T4499] 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)
[  531.788983][ T4499] RSP: 002b:00007fff03dc2028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  531.789804][ T4499] RAX: ffffffffffffffda RBX: 00007fff03dc2760 RCX: 00007fa9688701e7
[  531.790607][ T4499] RDX: 0000000000000000 RSI: 00007fff03dc2090 RDI: 0000000000000005
[  531.791411][ T4499] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  531.792211][ T4499] R10: 00007fa9688feac0 R11: 0000000000000246 R12: 00007fff03dc2798
[  531.793026][ T4499] R13: 00000000686e0b9b R14: 0000000000499600 R15: 00007fff03dc2180
| [  547.748088][ T4601] ------------[ cut here ]------------
| [ 547.748420][ T4601] WARNING: CPU: 0 PID: 4601 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) 
| [  547.749051][ T4601] Modules linked in: vxlan
| [  547.750053][ T4601] Tainted: [W]=WARN
[  547.750308][ T4601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 547.750709][ T4601] 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) 
[ 547.751037][ T4601] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  547.752190][ T4601] RSP: 0018:ffffc90009c97080 EFLAGS: 00010246
[  547.752626][ T4601] RAX: 0000000000000000 RBX: ffff88800cb12000 RCX: 0000000000000001
[  547.753134][ T4601] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  547.753646][ T4601] RBP: ffffc90009c97168 R08: 0000000000000000 R09: 0000000000000000
[  547.754130][ T4601] R10: ffffc90009c97198 R11: ffffffff95f8d1e0 R12: 1ffff92001392e14
[  547.754621][ T4601] R13: 00000000000005dc R14: ffffc90009c97198 R15: ffff88800cb12f48
[  547.755104][ T4601] FS:  00007fac971a7800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  547.755675][ T4601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  547.756080][ T4601] CR2: 000000000043d940 CR3: 000000000e834003 CR4: 0000000000772ef0
[  547.756571][ T4601] PKRU: 55555554
[  547.756813][ T4601] Call Trace:
[  547.757049][ T4601]  <TASK>
[ 547.757215][ T4601] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 547.757556][ T4601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 547.757896][ T4601] netif_set_mtu (net/core/dev.c:9652) 
[ 547.758222][ T4601] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 547.758572][ T4601] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 547.758819][ T4601] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 547.759144][ T4601] br_add_if (net/bridge/br_if.c:697) 
[ 547.759405][ T4601] do_set_master (net/core/rtnetlink.c:2948) 
[ 547.759724][ T4601] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 547.760035][ T4601] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 547.760369][ T4601] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 547.760688][ T4601] ? __dev_get_by_name (net/core/dev.c:865) 
[ 547.761007][ T4601] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 547.761342][ T4601] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 547.761680][ T4601] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 547.761997][ T4601] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 547.762329][ T4601] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 547.762660][ T4601] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 547.762991][ T4601] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 547.763328][ T4601] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 547.763646][ T4601] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 547.763966][ T4601] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 547.764295][ T4601] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 547.764617][ T4601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 547.764940][ T4601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 547.765289][ T4601] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 547.765612][ T4601] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 547.765931][ T4601] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 547.766275][ T4601] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 547.766594][ T4601] ? 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) 
[ 547.766915][ T4601] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 547.767247][ T4601] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 547.767573][ T4601] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 547.767899][ T4601] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 547.768221][ T4601] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 547.768548][ T4601] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 547.768875][ T4601] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 547.769194][ T4601] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 547.769530][ T4601] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 547.769953][ T4601] ___sys_sendmsg (net/socket.c:2670) 
[ 547.770282][ T4601] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 547.770602][ T4601] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 547.770923][ T4601] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 547.771249][ T4601] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 547.771588][ T4601] ? __handle_mm_fault (mm/memory.c:6212) 
[ 547.771909][ T4601] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 547.772233][ T4601] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 547.772582][ T4601] __sys_sendmsg (net/socket.c:2700) 
[ 547.772904][ T4601] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 547.773221][ T4601] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 547.773565][ T4601] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 547.773887][ T4601] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 547.774207][ T4601] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 547.774543][ T4601] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  547.774940][ T4601] RIP: 0033:0x7fac973741e7
[ 547.775298][ T4601] 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)
[  547.776384][ T4601] RSP: 002b:00007ffc7228fbc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  547.776842][ T4601] RAX: ffffffffffffffda RBX: 00007ffc72290300 RCX: 00007fac973741e7
[  547.777344][ T4601] RDX: 0000000000000000 RSI: 00007ffc7228fc30 RDI: 0000000000000005
[  547.777822][ T4601] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  547.778311][ T4601] R10: 00007fac97402ac0 R11: 0000000000000246 R12: 00007ffc72290338
[  547.778794][ T4601] R13: 00000000686e0bab R14: 0000000000499600 R15: 00007ffc7228fd20
| [  551.973904][ T4631] ------------[ cut here ]------------
| [ 551.975171][ T4631] WARNING: CPU: 2 PID: 4631 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  551.975863][ T4631] Modules linked in: vxlan
| [  551.976922][ T4631] Tainted: [W]=WARN
[  551.977186][ T4631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 551.977638][ T4631] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 551.977992][ T4631] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  551.979184][ T4631] RSP: 0018:ffffc90009e27080 EFLAGS: 00010246
[  551.979624][ T4631] RAX: 0000000000000000 RBX: ffff88800e03a000 RCX: 0000000000000001
[  551.980123][ T4631] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  551.980640][ T4631] RBP: ffffc90009e27168 R08: 0000000000000000 R09: 0000000000000000
[  551.981149][ T4631] R10: ffffc90009e27198 R11: ffffffff95f8d1e0 R12: 1ffff920013c4e14
[  551.981706][ T4631] R13: 00000000000005dc R14: ffffc90009e27198 R15: ffff88800e03af48
[  551.982210][ T4631] FS:  00007f84df74c800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  551.982805][ T4631] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  551.983229][ T4631] CR2: 000000000043d940 CR3: 000000000b88c006 CR4: 0000000000772ef0
[  551.983742][ T4631] PKRU: 55555554
[  551.984000][ T4631] Call Trace:
[  551.984261][ T4631]  <TASK>
[ 551.984442][ T4631] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 551.984782][ T4631] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 551.985128][ T4631] netif_set_mtu (net/core/dev.c:9652) 
[ 551.985494][ T4631] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 551.985842][ T4631] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 551.986104][ T4631] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 551.986449][ T4631] br_add_if (net/bridge/br_if.c:697) 
[ 551.986714][ T4631] do_set_master (net/core/rtnetlink.c:2948) 
[ 551.987070][ T4631] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 551.987426][ T4631] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 551.987764][ T4631] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 551.988117][ T4631] ? __dev_get_by_name (net/core/dev.c:865) 
[ 551.988461][ T4631] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 551.988800][ T4631] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 551.989157][ T4631] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 551.989526][ T4631] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 551.989867][ T4631] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 551.990216][ T4631] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 551.990586][ T4631] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 551.990933][ T4631] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 551.991278][ T4631] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 551.991632][ T4631] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 551.991961][ T4631] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 551.992352][ T4631] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 551.992706][ T4631] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 551.993047][ T4631] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 551.993427][ T4631] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 551.993765][ T4631] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 551.994132][ T4631] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 551.994488][ T4631] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 551.994835][ T4631] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 551.995175][ T4631] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 551.995542][ T4631] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 551.995917][ T4631] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 551.996289][ T4631] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 551.996665][ T4631] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 551.997041][ T4631] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 551.997434][ T4631] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 551.997796][ T4631] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 551.998272][ T4631] ___sys_sendmsg (net/socket.c:2670) 
[ 551.998624][ T4631] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 551.998985][ T4631] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 551.999362][ T4631] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 551.999727][ T4631] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 552.000083][ T4631] ? __handle_mm_fault (mm/memory.c:6212) 
[ 552.000465][ T4631] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 552.000809][ T4631] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 552.001178][ T4631] __sys_sendmsg (net/socket.c:2700) 
[ 552.001581][ T4631] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 552.001941][ T4631] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 552.002312][ T4631] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 552.002664][ T4631] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 552.003016][ T4631] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 552.003378][ T4631] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  552.003805][ T4631] RIP: 0033:0x7f84df9191e7
[ 552.004177][ T4631] 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)
[  552.005439][ T4631] RSP: 002b:00007ffde83fa478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  552.005957][ T4631] RAX: ffffffffffffffda RBX: 00007ffde83fabb0 RCX: 00007f84df9191e7
[  552.006500][ T4631] RDX: 0000000000000000 RSI: 00007ffde83fa4e0 RDI: 0000000000000005
[  552.007020][ T4631] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  552.007543][ T4631] R10: 00007f84df9a7ac0 R11: 0000000000000246 R12: 00007ffde83fabe8
[  552.008058][ T4631] R13: 00000000686e0baf R14: 0000000000499600 R15: 00007ffde83fa5d0
| [  559.766437][ T4697] ------------[ cut here ]------------
| [ 559.766853][ T4697] WARNING: CPU: 1 PID: 4697 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  559.767541][ T4697] Modules linked in: vxlan
| [  559.768559][ T4697] Tainted: [W]=WARN
[  559.768810][ T4697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 559.769214][ T4697] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 559.769593][ T4697] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  559.770998][ T4697] RSP: 0018:ffffc9000a0d7080 EFLAGS: 00010246
[  559.771489][ T4697] RAX: 0000000000000000 RBX: ffff888005e22000 RCX: 0000000000000001
[  559.771988][ T4697] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  559.772493][ T4697] RBP: ffffc9000a0d7168 R08: 0000000000000000 R09: 0000000000000000
[  559.772988][ T4697] R10: ffffc9000a0d7198 R11: ffffffff95f8d1e0 R12: 1ffff9200141ae14
[  559.773520][ T4697] R13: 00000000000005dc R14: ffffc9000a0d7198 R15: ffff888005e22f48
[  559.774069][ T4697] FS:  00007ffa74b44800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  559.774734][ T4697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  559.775145][ T4697] CR2: 00007ffa74d2fba0 CR3: 0000000013271005 CR4: 0000000000772ef0
[  559.775679][ T4697] PKRU: 55555554
[  559.775959][ T4697] Call Trace:
[  559.776274][ T4697]  <TASK>
[ 559.776482][ T4697] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 559.776928][ T4697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 559.777461][ T4697] netif_set_mtu (net/core/dev.c:9652) 
[ 559.778011][ T4697] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 559.778625][ T4697] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 559.778937][ T4697] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 559.779293][ T4697] br_add_if (net/bridge/br_if.c:697) 
[ 559.779559][ T4697] do_set_master (net/core/rtnetlink.c:2948) 
[ 559.779957][ T4697] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 559.780361][ T4697] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 559.780768][ T4697] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 559.781226][ T4697] ? __dev_get_by_name (net/core/dev.c:865) 
[ 559.781760][ T4697] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 559.782284][ T4697] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 559.782833][ T4697] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 559.783390][ T4697] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 559.783955][ T4697] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 559.784550][ T4697] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 559.785121][ T4697] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 559.785682][ T4697] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 559.786255][ T4697] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 559.786823][ T4697] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 559.787412][ T4697] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 559.787984][ T4697] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 559.788573][ T4697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 559.789149][ T4697] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 559.789702][ T4697] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 559.790287][ T4697] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 559.790861][ T4697] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 559.791439][ T4697] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 559.792007][ T4697] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 559.792584][ T4697] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 559.793141][ T4697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 559.793735][ T4697] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 559.794323][ T4697] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 559.794883][ T4697] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 559.795463][ T4697] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 559.796006][ T4697] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 559.796536][ T4697] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 559.797216][ T4697] ___sys_sendmsg (net/socket.c:2670) 
[ 559.797777][ T4697] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 559.798366][ T4697] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 559.798933][ T4697] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 559.799503][ T4697] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 559.800078][ T4697] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 559.800668][ T4697] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 559.801258][ T4697] __sys_sendmsg (net/socket.c:2700) 
[ 559.801796][ T4697] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 559.802180][ T4697] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 559.802557][ T4697] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 559.802892][ T4697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  559.803343][ T4697] RIP: 0033:0x7ffa74d111e7
[ 559.803709][ T4697] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  559.804923][ T4697] RSP: 002b:00007ffd293b8ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  559.805454][ T4697] RAX: ffffffffffffffda RBX: 00007ffd293b9610 RCX: 00007ffa74d111e7
[  559.805937][ T4697] RDX: 0000000000000000 RSI: 00007ffd293b8f40 RDI: 0000000000000005
[  559.806452][ T4697] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  559.806963][ T4697] R10: 00007ffa74d9fac0 R11: 0000000000000246 R12: 00007ffd293b9648
[  559.807499][ T4697] R13: 00000000686e0bb7 R14: 0000000000499600 R15: 00007ffd293b9030
| [  564.536848][ T4728] ------------[ cut here ]------------
| [ 564.537191][ T4728] WARNING: CPU: 0 PID: 4728 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  564.537866][ T4728] Modules linked in: vxlan
| [  564.538842][ T4728] Tainted: [W]=WARN
[  564.539081][ T4728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 564.539506][ T4728] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 564.539835][ T4728] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  564.541228][ T4728] RSP: 0018:ffffc9000a217080 EFLAGS: 00010246
[  564.541803][ T4728] RAX: 0000000000000000 RBX: ffff888012092000 RCX: 0000000000000001
[  564.542444][ T4728] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  564.542934][ T4728] RBP: ffffc9000a217168 R08: 0000000000000000 R09: 0000000000000000
[  564.543569][ T4728] R10: ffffc9000a217198 R11: ffffffff95f8d1e0 R12: 1ffff92001442e14
[  564.544039][ T4728] R13: 00000000000005dc R14: ffffc9000a217198 R15: ffff888012092f48
[  564.544667][ T4728] FS:  00007fc3f03ea800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  564.545395][ T4728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  564.545793][ T4728] CR2: 00007fc3f05d5ba0 CR3: 0000000012fb0005 CR4: 0000000000772ef0
[  564.546406][ T4728] PKRU: 55555554
[  564.546636][ T4728] Call Trace:
[  564.546861][ T4728]  <TASK>
[ 564.547017][ T4728] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 564.547358][ T4728] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 564.547716][ T4728] netif_set_mtu (net/core/dev.c:9652) 
[ 564.548032][ T4728] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 564.548375][ T4728] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 564.548621][ T4728] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 564.548945][ T4728] br_add_if (net/bridge/br_if.c:697) 
[ 564.549198][ T4728] do_set_master (net/core/rtnetlink.c:2948) 
[ 564.549513][ T4728] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 564.549835][ T4728] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 564.550144][ T4728] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 564.550457][ T4728] ? __dev_get_by_name (net/core/dev.c:865) 
[ 564.550760][ T4728] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 564.551087][ T4728] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 564.551442][ T4728] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 564.551768][ T4728] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 564.552096][ T4728] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 564.552440][ T4728] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 564.552758][ T4728] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 564.553086][ T4728] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 564.553402][ T4728] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 564.553708][ T4728] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 564.554011][ T4728] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 564.554337][ T4728] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 564.554665][ T4728] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 564.554983][ T4728] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 564.555329][ T4728] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 564.555652][ T4728] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 564.555966][ T4728] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 564.556288][ T4728] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 564.556594][ T4728] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 564.556910][ T4728] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 564.557226][ T4728] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 564.557559][ T4728] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 564.557881][ T4728] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 564.558198][ T4728] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 564.558531][ T4728] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 564.558847][ T4728] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 564.559148][ T4728] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 564.559567][ T4728] ___sys_sendmsg (net/socket.c:2670) 
[ 564.559874][ T4728] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 564.560182][ T4728] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 564.560496][ T4728] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 564.560796][ T4728] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 564.561102][ T4728] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 564.561444][ T4728] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 564.561780][ T4728] __sys_sendmsg (net/socket.c:2700) 
[ 564.562099][ T4728] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 564.562431][ T4728] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 564.562737][ T4728] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 564.563160][ T4728] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  564.563562][ T4728] RIP: 0033:0x7fc3f05b71e7
[ 564.563879][ T4728] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  564.565052][ T4728] RSP: 002b:00007ffefbb664e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  564.565555][ T4728] RAX: ffffffffffffffda RBX: 00007ffefbb66c20 RCX: 00007fc3f05b71e7
[  564.566045][ T4728] RDX: 0000000000000000 RSI: 00007ffefbb66550 RDI: 0000000000000005
[  564.566550][ T4728] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  564.567054][ T4728] R10: 00007fc3f0645ac0 R11: 0000000000000246 R12: 00007ffefbb66c58
[  564.567572][ T4728] R13: 00000000686e0bbc R14: 0000000000499600 R15: 00007ffefbb66640
| [  580.692540][ T4830] ------------[ cut here ]------------
| [ 580.692909][ T4830] WARNING: CPU: 1 PID: 4830 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  580.693534][ T4830] Modules linked in: vxlan
| [  580.694520][ T4830] Tainted: [W]=WARN
[  580.694759][ T4830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 580.695163][ T4830] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 580.695502][ T4830] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  580.696625][ T4830] RSP: 0018:ffffc9000a627080 EFLAGS: 00010246
[  580.697023][ T4830] RAX: 0000000000000000 RBX: ffff88800b852000 RCX: 0000000000000001
[  580.697488][ T4830] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  580.697955][ T4830] RBP: ffffc9000a627168 R08: 0000000000000000 R09: 0000000000000000
[  580.698434][ T4830] R10: ffffc9000a627198 R11: ffffffff95f8d1e0 R12: 1ffff920014c4e14
[  580.698934][ T4830] R13: 00000000000005dc R14: ffffc9000a627198 R15: ffff88800b852f48
[  580.699420][ T4830] FS:  00007f388d1b0800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  580.699991][ T4830] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  580.700386][ T4830] CR2: 00007f388d2b0130 CR3: 0000000012f3e001 CR4: 0000000000772ef0
[  580.700860][ T4830] PKRU: 55555554
[  580.701087][ T4830] Call Trace:
[  580.701330][ T4830]  <TASK>
[ 580.701499][ T4830] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 580.701827][ T4830] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 580.702149][ T4830] netif_set_mtu (net/core/dev.c:9652) 
[ 580.702492][ T4830] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 580.702865][ T4830] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 580.703110][ T4830] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 580.703426][ T4830] br_add_if (net/bridge/br_if.c:697) 
[ 580.703667][ T4830] do_set_master (net/core/rtnetlink.c:2948) 
[ 580.703997][ T4830] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 580.704328][ T4830] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 580.704656][ T4830] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 580.704973][ T4830] ? __dev_get_by_name (net/core/dev.c:865) 
[ 580.705309][ T4830] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 580.705634][ T4830] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 580.705962][ T4830] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 580.706291][ T4830] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 580.706617][ T4830] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 580.706948][ T4830] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 580.707293][ T4830] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 580.707626][ T4830] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 580.707942][ T4830] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 580.708274][ T4830] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 580.708595][ T4830] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 580.708917][ T4830] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 580.709257][ T4830] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 580.709591][ T4830] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 580.709911][ T4830] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 580.710231][ T4830] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 580.710576][ T4830] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 580.710893][ T4830] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 580.711211][ T4830] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 580.711540][ T4830] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 580.711864][ T4830] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 580.712187][ T4830] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 580.712549][ T4830] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 580.712873][ T4830] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 580.713200][ T4830] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 580.713531][ T4830] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 580.713850][ T4830] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 580.714279][ T4830] ___sys_sendmsg (net/socket.c:2670) 
[ 580.714603][ T4830] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 580.714923][ T4830] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 580.715260][ T4830] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 580.715575][ T4830] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 580.715899][ T4830] ? __handle_mm_fault (mm/memory.c:6212) 
[ 580.716219][ T4830] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 580.716549][ T4830] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 580.716890][ T4830] __sys_sendmsg (net/socket.c:2700) 
[ 580.717212][ T4830] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 580.717543][ T4830] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 580.717874][ T4830] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 580.718194][ T4830] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 580.718530][ T4830] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 580.718856][ T4830] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  580.719259][ T4830] RIP: 0033:0x7f388d37d1e7
[ 580.719594][ T4830] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  580.720740][ T4830] RSP: 002b:00007fff683f3d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  580.721228][ T4830] RAX: ffffffffffffffda RBX: 00007fff683f4470 RCX: 00007f388d37d1e7
[  580.721736][ T4830] RDX: 0000000000000000 RSI: 00007fff683f3da0 RDI: 0000000000000005
[  580.722217][ T4830] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  580.722705][ T4830] R10: 00007f388d40bac0 R11: 0000000000000246 R12: 00007fff683f44a8
[  580.723192][ T4830] R13: 00000000686e0bcc R14: 0000000000499600 R15: 00007fff683f3e90
| [  585.245962][ T4860] ------------[ cut here ]------------
| [ 585.246511][ T4860] WARNING: CPU: 3 PID: 4860 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) 
| [  585.247567][ T4860] Modules linked in: vxlan
| [  585.249206][ T4860] Tainted: [W]=WARN
[  585.249643][ T4860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 585.250370][ T4860] 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) 
[ 585.250945][ T4860] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  585.252895][ T4860] RSP: 0018:ffffc9000a787080 EFLAGS: 00010246
[  585.253510][ T4860] RAX: 0000000000000000 RBX: ffff888005e22000 RCX: 0000000000000001
[  585.254368][ T4860] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  585.255172][ T4860] RBP: ffffc9000a787168 R08: 0000000000000000 R09: 0000000000000000
[  585.255978][ T4860] R10: ffffc9000a787198 R11: ffffffff95f8d1e0 R12: 1ffff920014f0e14
[  585.256593][ T4860] R13: 00000000000005dc R14: ffffc9000a787198 R15: ffff888005e22f48
[  585.257157][ T4860] FS:  00007f26a52cb800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  585.258129][ T4860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  585.258741][ T4860] CR2: 000000000043d940 CR3: 000000000f3e0003 CR4: 0000000000772ef0
[  585.259572][ T4860] PKRU: 55555554
[  585.259898][ T4860] Call Trace:
[  585.260311][ T4860]  <TASK>
[ 585.260593][ T4860] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 585.261142][ T4860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 585.261743][ T4860] netif_set_mtu (net/core/dev.c:9652) 
[ 585.262328][ T4860] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 585.262902][ T4860] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 585.263343][ T4860] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 585.263894][ T4860] br_add_if (net/bridge/br_if.c:697) 
[ 585.264337][ T4860] do_set_master (net/core/rtnetlink.c:2948) 
[ 585.264866][ T4860] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 585.265344][ T4860] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 585.265845][ T4860] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 585.266424][ T4860] ? __dev_get_by_name (net/core/dev.c:865) 
[ 585.266973][ T4860] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 585.267530][ T4860] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 585.268082][ T4860] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 585.268642][ T4860] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 585.269197][ T4860] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 585.269787][ T4860] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 585.270377][ T4860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 585.270964][ T4860] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 585.271543][ T4860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 585.272118][ T4860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 585.272692][ T4860] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 585.273285][ T4860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 585.273858][ T4860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 585.274468][ T4860] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 585.275033][ T4860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 585.275613][ T4860] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 585.276203][ T4860] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 585.276784][ T4860] ? 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) 
[ 585.277367][ T4860] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 585.277935][ T4860] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 585.278527][ T4860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 585.279101][ T4860] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 585.279683][ T4860] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 585.280272][ T4860] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 585.280852][ T4860] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 585.281431][ T4860] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 585.282007][ T4860] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 585.282744][ T4860] ? debug_object_activate (lib/debugobjects.c:837) 
[ 585.283323][ T4860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 585.283892][ T4860] ___sys_sendmsg (net/socket.c:2670) 
[ 585.284482][ T4860] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 585.285061][ T4860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 585.285649][ T4860] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 585.286210][ T4860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 585.286802][ T4860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 585.287354][ T4860] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 585.287924][ T4860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 585.288512][ T4860] __sys_sendmsg (net/socket.c:2700) 
[ 585.289054][ T4860] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 585.289617][ T4860] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 585.290374][ T4860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 585.290929][ T4860] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 585.291508][ T4860] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  585.292201][ T4860] RIP: 0033:0x7f26a54981e7
[ 585.292816][ T4860] 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)
[  585.294848][ T4860] RSP: 002b:00007ffea3519798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  585.295702][ T4860] RAX: ffffffffffffffda RBX: 00007ffea3519ed0 RCX: 00007f26a54981e7
[  585.296551][ T4860] RDX: 0000000000000000 RSI: 00007ffea3519800 RDI: 0000000000000005
[  585.297404][ T4860] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  585.298225][ T4860] R10: 00007f26a5526ac0 R11: 0000000000000246 R12: 00007ffea3519f08
[  585.299103][ T4860] R13: 00000000686e0bd0 R14: 0000000000499600 R15: 00007ffea35198f0
| [  593.479809][ T4926] ------------[ cut here ]------------
| [ 593.480485][ T4926] WARNING: CPU: 2 PID: 4926 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) 
| [  593.481723][ T4926] Modules linked in: vxlan
| [  593.483543][ T4926] Tainted: [W]=WARN
[  593.483987][ T4926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 593.484769][ T4926] 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) 
[ 593.485404][ T4926] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  593.487478][ T4926] RSP: 0018:ffffc9000aa07080 EFLAGS: 00010246
[  593.488222][ T4926] RAX: 0000000000000000 RBX: ffff88801343a000 RCX: 0000000000000001
[  593.489147][ T4926] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  593.490037][ T4926] RBP: ffffc9000aa07168 R08: 0000000000000000 R09: 0000000000000000
[  593.490941][ T4926] R10: ffffc9000aa07198 R11: ffffffff95f8d1e0 R12: 1ffff92001540e14
[  593.491844][ T4926] R13: 00000000000005dc R14: ffffc9000aa07198 R15: ffff88801343af48
[  593.492754][ T4926] FS:  00007f2d203bd800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  593.493807][ T4926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  593.494563][ T4926] CR2: 00007f2d205a8ba0 CR3: 0000000002757004 CR4: 0000000000772ef0
[  593.495421][ T4926] PKRU: 55555554
[  593.495860][ T4926] Call Trace:
[  593.496325][ T4926]  <TASK>
[ 593.496630][ T4926] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 593.497190][ T4926] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 593.497809][ T4926] netif_set_mtu (net/core/dev.c:9652) 
[ 593.498394][ T4926] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 593.499006][ T4926] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 593.499468][ T4926] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 593.500039][ T4926] br_add_if (net/bridge/br_if.c:697) 
[ 593.500543][ T4926] do_set_master (net/core/rtnetlink.c:2948) 
[ 593.501145][ T4926] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 593.501776][ T4926] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 593.502360][ T4926] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 593.502942][ T4926] ? __dev_get_by_name (net/core/dev.c:865) 
[ 593.503514][ T4926] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 593.504068][ T4926] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 593.504659][ T4926] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 593.505185][ T4926] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 593.505782][ T4926] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 593.506397][ T4926] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 593.506968][ T4926] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 593.507582][ T4926] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 593.508130][ T4926] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 593.508718][ T4926] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 593.509316][ T4926] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 593.509899][ T4926] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 593.510510][ T4926] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 593.511094][ T4926] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 593.511705][ T4926] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 593.512333][ T4926] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 593.512938][ T4926] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 593.513526][ T4926] ? 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) 
[ 593.514097][ T4926] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 593.514700][ T4926] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 593.515284][ T4926] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 593.515882][ T4926] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 593.516511][ T4926] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 593.516879][ T4926] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 593.517341][ T4926] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 593.517735][ T4926] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 593.518159][ T4926] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 593.518631][ T4926] ___sys_sendmsg (net/socket.c:2670) 
[ 593.519063][ T4926] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 593.519476][ T4926] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 593.520056][ T4926] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 593.520648][ T4926] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 593.521042][ T4926] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 593.521423][ T4926] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 593.521871][ T4926] __sys_sendmsg (net/socket.c:2700) 
[ 593.522215][ T4926] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 593.522611][ T4926] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 593.522987][ T4926] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 593.523374][ T4926] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  593.523850][ T4926] RIP: 0033:0x7f2d2058a1e7
[ 593.524205][ T4926] 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)
[  593.525519][ T4926] RSP: 002b:00007fff67b54498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  593.526029][ T4926] RAX: ffffffffffffffda RBX: 00007fff67b54bd0 RCX: 00007f2d2058a1e7
[  593.526567][ T4926] RDX: 0000000000000000 RSI: 00007fff67b54500 RDI: 0000000000000005
[  593.527106][ T4926] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  593.527894][ T4926] R10: 00007f2d20618ac0 R11: 0000000000000246 R12: 00007fff67b54c08
[  593.528537][ T4926] R13: 00000000686e0bd8 R14: 0000000000499600 R15: 00007fff67b545f0
| [  598.351653][ T4956] ------------[ cut here ]------------
| [ 598.352218][ T4956] WARNING: CPU: 2 PID: 4956 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) 
| [  598.353427][ T4956] Modules linked in: vxlan
| [  598.355192][ T4956] Tainted: [W]=WARN
[  598.355631][ T4956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 598.356390][ T4956] 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) 
[ 598.356991][ T4956] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  598.359010][ T4956] RSP: 0018:ffffc9000abd7080 EFLAGS: 00010246
[  598.359735][ T4956] RAX: 0000000000000000 RBX: ffff88800e23a000 RCX: 0000000000000001
[  598.360597][ T4956] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  598.361472][ T4956] RBP: ffffc9000abd7168 R08: 0000000000000000 R09: 0000000000000000
[  598.362335][ T4956] R10: ffffc9000abd7198 R11: ffffffff95f8d1e0 R12: 1ffff9200157ae14
[  598.363173][ T4956] R13: 00000000000005dc R14: ffffc9000abd7198 R15: ffff88800e23af48
[  598.364041][ T4956] FS:  00007f718d100800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  598.365064][ T4956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  598.365806][ T4956] CR2: 00007f718d200130 CR3: 000000000988f002 CR4: 0000000000772ef0
[  598.366641][ T4956] PKRU: 55555554
[  598.367070][ T4956] Call Trace:
[  598.367521][ T4956]  <TASK>
[ 598.367820][ T4956] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 598.368416][ T4956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 598.368980][ T4956] netif_set_mtu (net/core/dev.c:9652) 
[ 598.369570][ T4956] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 598.370183][ T4956] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 598.370630][ T4956] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 598.371193][ T4956] br_add_if (net/bridge/br_if.c:697) 
[ 598.371675][ T4956] do_set_master (net/core/rtnetlink.c:2948) 
[ 598.372222][ T4956] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 598.372824][ T4956] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 598.373422][ T4956] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 598.373980][ T4956] ? __dev_get_by_name (net/core/dev.c:865) 
[ 598.374554][ T4956] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 598.375126][ T4956] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 598.375714][ T4956] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 598.376335][ T4956] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 598.376924][ T4956] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 598.377554][ T4956] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 598.378098][ T4956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 598.378694][ T4956] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 598.379267][ T4956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 598.379825][ T4956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 598.380418][ T4956] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 598.380973][ T4956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 598.381548][ T4956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 598.382141][ T4956] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 598.382707][ T4956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 598.383276][ T4956] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 598.383849][ T4956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 598.384430][ T4956] ? 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) 
[ 598.384967][ T4956] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 598.385549][ T4956] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 598.386104][ T4956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 598.386686][ T4956] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 598.387265][ T4956] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 598.387815][ T4956] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 598.388430][ T4956] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 598.388970][ T4956] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 598.389529][ T4956] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 598.390231][ T4956] ___sys_sendmsg (net/socket.c:2670) 
[ 598.390783][ T4956] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 598.391344][ T4956] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 598.391907][ T4956] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 598.392468][ T4956] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 598.393033][ T4956] ? __handle_mm_fault (mm/memory.c:6212) 
[ 598.393605][ T4956] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 598.394168][ T4956] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 598.394787][ T4956] __sys_sendmsg (net/socket.c:2700) 
[ 598.395388][ T4956] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 598.395960][ T4956] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 598.396586][ T4956] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 598.397156][ T4956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 598.397698][ T4956] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 598.398316][ T4956] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  598.399015][ T4956] RIP: 0033:0x7f718d2cd1e7
[ 598.399619][ T4956] 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)
[  598.401594][ T4956] RSP: 002b:00007fff7f8251b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  598.402488][ T4956] RAX: ffffffffffffffda RBX: 00007fff7f8258f0 RCX: 00007f718d2cd1e7
[  598.403357][ T4956] RDX: 0000000000000000 RSI: 00007fff7f825220 RDI: 0000000000000005
[  598.404201][ T4956] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  598.405065][ T4956] R10: 00007f718d35bac0 R11: 0000000000000246 R12: 00007fff7f825928
[  598.405975][ T4956] R13: 00000000686e0bdd R14: 0000000000499600 R15: 00007fff7f825310
| [  615.293461][ T5059] ------------[ cut here ]------------
| [ 615.293828][ T5059] WARNING: CPU: 2 PID: 5059 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) 
| [  615.294482][ T5059] Modules linked in: vxlan
| [  615.295507][ T5059] Tainted: [W]=WARN
[  615.295762][ T5059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 615.296203][ T5059] 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) 
[ 615.296565][ T5059] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  615.297711][ T5059] RSP: 0018:ffffc9000af27080 EFLAGS: 00010246
[  615.298118][ T5059] RAX: 0000000000000000 RBX: ffff88800c6b2000 RCX: 0000000000000001
[  615.298623][ T5059] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  615.299118][ T5059] RBP: ffffc9000af27168 R08: 0000000000000000 R09: 0000000000000000
[  615.299616][ T5059] R10: ffffc9000af27198 R11: ffffffff95f8d1e0 R12: 1ffff920015e4e14
[  615.300130][ T5059] R13: 00000000000005dc R14: ffffc9000af27198 R15: ffff88800c6b2f48
[  615.300657][ T5059] FS:  00007f6a8784c800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  615.301271][ T5059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  615.301700][ T5059] CR2: 000000000043d940 CR3: 0000000011aea001 CR4: 0000000000772ef0
[  615.302191][ T5059] PKRU: 55555554
[  615.302463][ T5059] Call Trace:
[  615.302706][ T5059]  <TASK>
[ 615.302882][ T5059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 615.303210][ T5059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 615.303559][ T5059] netif_set_mtu (net/core/dev.c:9652) 
[ 615.303886][ T5059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 615.304291][ T5059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 615.304547][ T5059] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 615.304915][ T5059] br_add_if (net/bridge/br_if.c:697) 
[ 615.305350][ T5059] do_set_master (net/core/rtnetlink.c:2948) 
[ 615.305856][ T5059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 615.306434][ T5059] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 615.306980][ T5059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 615.307552][ T5059] ? __dev_get_by_name (net/core/dev.c:865) 
[ 615.308102][ T5059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 615.308674][ T5059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 615.309264][ T5059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 615.309820][ T5059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 615.310420][ T5059] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 615.311006][ T5059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 615.311605][ T5059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 615.312207][ T5059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 615.312818][ T5059] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 615.313422][ T5059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 615.313982][ T5059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 615.314557][ T5059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 615.314974][ T5059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 615.315405][ T5059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 615.315729][ T5059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 615.316118][ T5059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 615.316470][ T5059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 615.316823][ T5059] ? 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) 
[ 615.317154][ T5059] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 615.317490][ T5059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 615.317806][ T5059] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 615.318145][ T5059] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 615.318506][ T5059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 615.318829][ T5059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 615.319188][ T5059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 615.319533][ T5059] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 615.319848][ T5059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 615.320338][ T5059] ___sys_sendmsg (net/socket.c:2670) 
[ 615.320681][ T5059] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 615.321029][ T5059] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 615.321383][ T5059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 615.321720][ T5059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 615.322059][ T5059] ? __handle_mm_fault (mm/memory.c:6212) 
[ 615.322429][ T5059] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 615.322747][ T5059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 615.323129][ T5059] __sys_sendmsg (net/socket.c:2700) 
[ 615.323543][ T5059] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 615.323869][ T5059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 615.324265][ T5059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 615.324593][ T5059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 615.324936][ T5059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 615.325285][ T5059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  615.325677][ T5059] RIP: 0033:0x7f6a87a191e7
[ 615.326043][ T5059] 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)
[  615.327257][ T5059] RSP: 002b:00007ffd740c4308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  615.327734][ T5059] RAX: ffffffffffffffda RBX: 00007ffd740c4a40 RCX: 00007f6a87a191e7
[  615.328260][ T5059] RDX: 0000000000000000 RSI: 00007ffd740c4370 RDI: 0000000000000005
[  615.328735][ T5059] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  615.329207][ T5059] R10: 00007f6a87aa7ac0 R11: 0000000000000246 R12: 00007ffd740c4a78
[  615.329689][ T5059] R13: 00000000686e0bee R14: 0000000000499600 R15: 00007ffd740c4460
| [  620.206354][ T5089] ------------[ cut here ]------------
| [ 620.206780][ T5089] WARNING: CPU: 3 PID: 5089 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) 
| [  620.207482][ T5089] Modules linked in: vxlan
| [  620.208548][ T5089] Tainted: [W]=WARN
[  620.208852][ T5089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 620.209751][ T5089] 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) 
[ 620.210082][ T5089] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  620.211556][ T5089] RSP: 0018:ffffc9000b047080 EFLAGS: 00010246
[  620.212052][ T5089] RAX: 0000000000000000 RBX: ffff88801343a000 RCX: 0000000000000001
[  620.212672][ T5089] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  620.213182][ T5089] RBP: ffffc9000b047168 R08: 0000000000000000 R09: 0000000000000000
[  620.213753][ T5089] R10: ffffc9000b047198 R11: ffffffff95f8d1e0 R12: 1ffff92001608e14
[  620.214266][ T5089] R13: 00000000000005dc R14: ffffc9000b047198 R15: ffff88801343af48
[  620.214826][ T5089] FS:  00007f1491ce6800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[  620.215511][ T5089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  620.215915][ T5089] CR2: 000000000043d940 CR3: 000000000f097004 CR4: 0000000000772ef0
[  620.216520][ T5089] PKRU: 55555554
[  620.216757][ T5089] Call Trace:
[  620.217072][ T5089]  <TASK>
[ 620.217266][ T5089] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 620.217667][ T5089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 620.218019][ T5089] netif_set_mtu (net/core/dev.c:9652) 
[ 620.218427][ T5089] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 620.218767][ T5089] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 620.219000][ T5089] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 620.219564][ T5089] br_add_if (net/bridge/br_if.c:697) 
[ 620.219909][ T5089] do_set_master (net/core/rtnetlink.c:2948) 
[ 620.220274][ T5089] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 620.220692][ T5089] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 620.221121][ T5089] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 620.221464][ T5089] ? __dev_get_by_name (net/core/dev.c:865) 
[ 620.221954][ T5089] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 620.222336][ T5089] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 620.222656][ T5089] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 620.222961][ T5089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 620.223472][ T5089] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 620.223858][ T5089] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 620.224319][ T5089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 620.224649][ T5089] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 620.224990][ T5089] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 620.225386][ T5089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 620.225784][ T5089] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 620.226169][ T5089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 620.226533][ T5089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 620.226856][ T5089] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 620.227224][ T5089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 620.227741][ T5089] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 620.228065][ T5089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 620.228412][ T5089] ? 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) 
[ 620.228721][ T5089] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 620.229029][ T5089] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 620.229351][ T5089] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 620.229668][ T5089] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 620.229985][ T5089] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 620.230332][ T5089] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 620.230653][ T5089] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 620.230995][ T5089] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 620.231487][ T5089] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 620.232000][ T5089] ___sys_sendmsg (net/socket.c:2670) 
[ 620.232409][ T5089] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 620.232871][ T5089] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 620.233272][ T5089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 620.233652][ T5089] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 620.234038][ T5089] ? __handle_mm_fault (mm/memory.c:6212) 
[ 620.234404][ T5089] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 620.234805][ T5089] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 620.235264][ T5089] __sys_sendmsg (net/socket.c:2700) 
[ 620.235593][ T5089] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 620.235957][ T5089] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 620.236386][ T5089] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 620.236711][ T5089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 620.237031][ T5089] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 620.237369][ T5089] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  620.237764][ T5089] RIP: 0033:0x7f1491eb31e7
[ 620.238101][ T5089] 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)
[  620.239323][ T5089] RSP: 002b:00007fff4b559f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  620.239791][ T5089] RAX: ffffffffffffffda RBX: 00007fff4b55a690 RCX: 00007f1491eb31e7
[  620.240297][ T5089] RDX: 0000000000000000 RSI: 00007fff4b559fc0 RDI: 0000000000000005
[  620.240758][ T5089] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  620.241228][ T5089] R10: 00007f1491f41ac0 R11: 0000000000000246 R12: 00007fff4b55a6c8
[  620.241717][ T5089] R13: 00000000686e0bf3 R14: 0000000000499600 R15: 00007fff4b55a0b0
| [  628.971540][ T5155] ------------[ cut here ]------------
| [ 628.971884][ T5155] WARNING: CPU: 0 PID: 5155 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) 
| [  628.972532][ T5155] Modules linked in: vxlan
| [  628.973577][ T5155] Tainted: [W]=WARN
[  628.973811][ T5155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 628.974196][ T5155] 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) 
[ 628.974541][ T5155] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  628.975714][ T5155] RSP: 0018:ffffc9000b177080 EFLAGS: 00010246
[  628.976108][ T5155] RAX: 0000000000000000 RBX: ffff888009f8a000 RCX: 0000000000000001
[  628.976585][ T5155] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  628.977048][ T5155] RBP: ffffc9000b177168 R08: 0000000000000000 R09: 0000000000000000
[  628.977526][ T5155] R10: ffffc9000b177198 R11: ffffffff95f8d1e0 R12: 1ffff9200162ee14
[  628.977993][ T5155] R13: 00000000000005dc R14: ffffc9000b177198 R15: ffff888009f8af48
[  628.978481][ T5155] FS:  00007fabf0840800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[  628.979020][ T5155] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  628.979432][ T5155] CR2: 00007fabf0940130 CR3: 000000000a22c001 CR4: 0000000000772ef0
[  628.979901][ T5155] PKRU: 55555554
[  628.980132][ T5155] Call Trace:
[  628.980376][ T5155]  <TASK>
[ 628.980552][ T5155] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 628.980891][ T5155] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 628.981214][ T5155] netif_set_mtu (net/core/dev.c:9652) 
[ 628.981548][ T5155] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 628.981882][ T5155] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 628.982117][ T5155] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 628.982452][ T5155] br_add_if (net/bridge/br_if.c:697) 
[ 628.982703][ T5155] do_set_master (net/core/rtnetlink.c:2948) 
[ 628.983008][ T5155] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 628.983325][ T5155] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 628.983668][ T5155] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 628.983982][ T5155] ? __dev_get_by_name (net/core/dev.c:865) 
[ 628.984302][ T5155] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 628.984622][ T5155] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 628.984941][ T5155] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 628.985266][ T5155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 628.985588][ T5155] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 628.985905][ T5155] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 628.986224][ T5155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 628.986573][ T5155] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 628.986880][ T5155] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 628.987189][ T5155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 628.987539][ T5155] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 628.987869][ T5155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 628.988197][ T5155] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 628.988533][ T5155] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 628.988841][ T5155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 628.989147][ T5155] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 628.989484][ T5155] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 628.989793][ T5155] ? 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) 
[ 628.990099][ T5155] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 628.990428][ T5155] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 628.990733][ T5155] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 628.991042][ T5155] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 628.991356][ T5155] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 628.991729][ T5155] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 628.992060][ T5155] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 628.992403][ T5155] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 628.992710][ T5155] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 628.993103][ T5155] ___sys_sendmsg (net/socket.c:2670) 
[ 628.993434][ T5155] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 628.993744][ T5155] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 628.994056][ T5155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 628.994378][ T5155] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 628.994701][ T5155] ? __handle_mm_fault (mm/memory.c:6212) 
[ 628.995008][ T5155] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 628.995326][ T5155] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 628.995684][ T5155] __sys_sendmsg (net/socket.c:2700) 
[ 628.996000][ T5155] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 628.996323][ T5155] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 628.996662][ T5155] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 628.996970][ T5155] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 628.997295][ T5155] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 628.997621][ T5155] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  628.997999][ T5155] RIP: 0033:0x7fabf0a0d1e7
[ 628.998327][ T5155] 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)
[  628.999467][ T5155] RSP: 002b:00007ffc423fe848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  628.999962][ T5155] RAX: ffffffffffffffda RBX: 00007ffc423fef80 RCX: 00007fabf0a0d1e7
[  629.000444][ T5155] RDX: 0000000000000000 RSI: 00007ffc423fe8b0 RDI: 0000000000000005
[  629.000909][ T5155] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  629.001374][ T5155] R10: 00007fabf0a9bac0 R11: 0000000000000246 R12: 00007ffc423fefb8
[  629.001906][ T5155] R13: 00000000686e0bfc R14: 0000000000499600 R15: 00007ffc423fe9a0
| [  633.940919][ T5185] ------------[ cut here ]------------
| [ 633.941564][ T5185] WARNING: CPU: 2 PID: 5185 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) 
| [  633.942724][ T5185] Modules linked in: vxlan
| [  633.944466][ T5185] Tainted: [W]=WARN
[  633.944902][ T5185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 633.945679][ T5185] 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) 
[ 633.946288][ T5185] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  633.947947][ T5185] RSP: 0018:ffffc9000b117080 EFLAGS: 00010246
[  633.948380][ T5185] RAX: 0000000000000000 RBX: ffff88800e8e2000 RCX: 0000000000000001
[  633.948872][ T5185] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  633.949394][ T5185] RBP: ffffc9000b117168 R08: 0000000000000000 R09: 0000000000000000
[  633.949883][ T5185] R10: ffffc9000b117198 R11: ffffffff95f8d1e0 R12: 1ffff92001622e14
[  633.950395][ T5185] R13: 00000000000005dc R14: ffffc9000b117198 R15: ffff88800e8e2f48
[  633.950909][ T5185] FS:  00007f1b9d167800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  633.951496][ T5185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  633.951927][ T5185] CR2: 00007f1b9d352ba0 CR3: 0000000009828003 CR4: 0000000000772ef0
[  633.952501][ T5185] PKRU: 55555554
[  633.952765][ T5185] Call Trace:
[  633.953015][ T5185]  <TASK>
[ 633.953189][ T5185] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 633.953790][ T5185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 633.954417][ T5185] netif_set_mtu (net/core/dev.c:9652) 
[ 633.954806][ T5185] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 633.955166][ T5185] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 633.955445][ T5185] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 633.955779][ T5185] br_add_if (net/bridge/br_if.c:697) 
[ 633.956036][ T5185] do_set_master (net/core/rtnetlink.c:2948) 
[ 633.956475][ T5185] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 633.956857][ T5185] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 633.957183][ T5185] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 633.957565][ T5185] ? __dev_get_by_name (net/core/dev.c:865) 
[ 633.957923][ T5185] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 633.958289][ T5185] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 633.958642][ T5185] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 633.958966][ T5185] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 633.959323][ T5185] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 633.959662][ T5185] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 633.960018][ T5185] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 633.960418][ T5185] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 633.960755][ T5185] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 633.961085][ T5185] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 633.961590][ T5185] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 633.962110][ T5185] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 633.962467][ T5185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 633.962829][ T5185] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 633.963150][ T5185] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 633.963509][ T5185] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 633.963872][ T5185] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 633.964196][ T5185] ? 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) 
[ 633.964548][ T5185] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 633.964904][ T5185] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 633.965224][ T5185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 633.965702][ T5185] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 633.966046][ T5185] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 633.966396][ T5185] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 633.966727][ T5185] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 633.967059][ T5185] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 633.967407][ T5185] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 633.967820][ T5185] ___sys_sendmsg (net/socket.c:2670) 
[ 633.968143][ T5185] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 633.968492][ T5185] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 633.968822][ T5185] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 633.969141][ T5185] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 633.969485][ T5185] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 633.969825][ T5185] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 633.970159][ T5185] __sys_sendmsg (net/socket.c:2700) 
[ 633.970492][ T5185] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 633.970856][ T5185] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 633.971175][ T5185] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 633.971510][ T5185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  633.971924][ T5185] RIP: 0033:0x7f1b9d3341e7
[ 633.972268][ T5185] 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)
[  633.973431][ T5185] RSP: 002b:00007fff6303f488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  633.973910][ T5185] RAX: ffffffffffffffda RBX: 00007fff6303fbc0 RCX: 00007f1b9d3341e7
[  633.974426][ T5185] RDX: 0000000000000000 RSI: 00007fff6303f4f0 RDI: 0000000000000005
[  633.974903][ T5185] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  633.975405][ T5185] R10: 00007f1b9d3c2ac0 R11: 0000000000000246 R12: 00007fff6303fbf8
[  633.975885][ T5185] R13: 00000000686e0c01 R14: 0000000000499600 R15: 00007fff6303f5e0
| [  705.737561][ T5545] ------------[ cut here ]------------
| [ 705.738030][ T5545] WARNING: CPU: 2 PID: 5545 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) 
| [  705.738884][ T5545] Modules linked in: vxlan
| [  705.740060][ T5545] Tainted: [W]=WARN
[  705.740366][ T5545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 705.740833][ T5545] 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) 
[ 705.741195][ T5545] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  705.742405][ T5545] RSP: 0018:ffffc9000ac47080 EFLAGS: 00010246
[  705.742826][ T5545] RAX: 0000000000000000 RBX: ffff888012eea000 RCX: 0000000000000001
[  705.743406][ T5545] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  705.743959][ T5545] RBP: ffffc9000ac47168 R08: 0000000000000000 R09: 0000000000000000
[  705.744558][ T5545] R10: ffffc9000ac47198 R11: ffffffff95f8d1e0 R12: 1ffff92001588e14
[  705.745127][ T5545] R13: 00000000000005dc R14: ffffc9000ac47198 R15: ffff888012eeaf48
[  705.745730][ T5545] FS:  00007ff5b05f0800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  705.746410][ T5545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  705.746889][ T5545] CR2: 00007ff5b06f0130 CR3: 0000000015428006 CR4: 0000000000772ef0
[  705.747432][ T5545] PKRU: 55555554
[  705.747698][ T5545] Call Trace:
[  705.747967][ T5545]  <TASK>
[ 705.748186][ T5545] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 705.748741][ T5545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 705.749163][ T5545] netif_set_mtu (net/core/dev.c:9652) 
[ 705.749556][ T5545] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 705.749932][ T5545] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 705.750211][ T5545] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 705.750612][ T5545] br_add_if (net/bridge/br_if.c:697) 
[ 705.750904][ T5545] do_set_master (net/core/rtnetlink.c:2948) 
[ 705.751253][ T5545] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 705.751630][ T5545] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 705.751976][ T5545] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 705.752362][ T5545] ? __dev_get_by_name (net/core/dev.c:865) 
[ 705.752710][ T5545] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 705.753063][ T5545] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 705.753462][ T5545] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 705.753805][ T5545] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 705.754220][ T5545] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 705.754673][ T5545] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 705.755065][ T5545] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 705.755472][ T5545] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 705.755913][ T5545] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 705.756308][ T5545] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 705.756628][ T5545] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 705.756948][ T5545] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 705.757303][ T5545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 705.757628][ T5545] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 705.757946][ T5545] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 705.758283][ T5545] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 705.758610][ T5545] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 705.758923][ T5545] ? 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) 
[ 705.759256][ T5545] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 705.759579][ T5545] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 705.759892][ T5545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 705.760213][ T5545] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 705.760562][ T5545] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 705.760879][ T5545] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 705.761207][ T5545] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 705.761542][ T5545] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 705.761876][ T5545] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 705.762293][ T5545] ___sys_sendmsg (net/socket.c:2670) 
[ 705.762610][ T5545] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 705.762929][ T5545] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 705.763261][ T5545] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 705.763577][ T5545] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 705.763897][ T5545] ? __handle_mm_fault (mm/memory.c:6212) 
[ 705.764211][ T5545] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 705.764547][ T5545] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 705.764890][ T5545] __sys_sendmsg (net/socket.c:2700) 
[ 705.765207][ T5545] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 705.765533][ T5545] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 705.765902][ T5545] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 705.766232][ T5545] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 705.766581][ T5545] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 705.766916][ T5545] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  705.767337][ T5545] RIP: 0033:0x7ff5b07bd1e7
[ 705.767684][ T5545] 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)
[  705.768859][ T5545] RSP: 002b:00007ffd6ececbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  705.769340][ T5545] RAX: ffffffffffffffda RBX: 00007ffd6eced330 RCX: 00007ff5b07bd1e7
[  705.769815][ T5545] RDX: 0000000000000000 RSI: 00007ffd6ececc60 RDI: 0000000000000005
[  705.770291][ T5545] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  705.770756][ T5545] R10: 00007ff5b084bac0 R11: 0000000000000246 R12: 00007ffd6eced368
[  705.771257][ T5545] R13: 00000000686e0c49 R14: 0000000000499600 R15: 00007ffd6ececd50
| [  710.490690][ T5575] ------------[ cut here ]------------
| [ 710.491080][ T5575] WARNING: CPU: 2 PID: 5575 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) 
| [  710.491761][ T5575] Modules linked in: vxlan
| [  710.492791][ T5575] Tainted: [W]=WARN
[  710.493050][ T5575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 710.493483][ T5575] 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) 
[ 710.493826][ T5575] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  710.495016][ T5575] RSP: 0018:ffffc9000a937080 EFLAGS: 00010246
[  710.495447][ T5575] RAX: 0000000000000000 RBX: ffff88801132a000 RCX: 0000000000000001
[  710.495939][ T5575] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  710.496440][ T5575] RBP: ffffc9000a937168 R08: 0000000000000000 R09: 0000000000000000
[  710.496937][ T5575] R10: ffffc9000a937198 R11: ffffffff95f8d1e0 R12: 1ffff92001526e14
[  710.497437][ T5575] R13: 00000000000005dc R14: ffffc9000a937198 R15: ffff88801132af48
[  710.497930][ T5575] FS:  00007f09cec57800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  710.498516][ T5575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  710.498928][ T5575] CR2: 000000000043d940 CR3: 0000000012336004 CR4: 0000000000772ef0
[  710.499433][ T5575] PKRU: 55555554
[  710.499702][ T5575] Call Trace:
[  710.499959][ T5575]  <TASK>
[ 710.500138][ T5575] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 710.500496][ T5575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 710.500840][ T5575] netif_set_mtu (net/core/dev.c:9652) 
[ 710.501169][ T5575] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 710.501514][ T5575] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 710.501773][ T5575] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 710.502114][ T5575] br_add_if (net/bridge/br_if.c:697) 
[ 710.502390][ T5575] do_set_master (net/core/rtnetlink.c:2948) 
[ 710.502725][ T5575] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 710.503068][ T5575] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 710.503415][ T5575] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 710.503745][ T5575] ? __dev_get_by_name (net/core/dev.c:865) 
[ 710.504080][ T5575] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 710.504422][ T5575] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 710.504759][ T5575] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 710.505086][ T5575] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 710.505441][ T5575] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 710.505781][ T5575] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 710.506121][ T5575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 710.506481][ T5575] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 710.506813][ T5575] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 710.507144][ T5575] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 710.507484][ T5575] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 710.507817][ T5575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 710.508157][ T5575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 710.508504][ T5575] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 710.508833][ T5575] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 710.509164][ T5575] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 710.509514][ T5575] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 710.509844][ T5575] ? 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) 
[ 710.510175][ T5575] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 710.510524][ T5575] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 710.510852][ T5575] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 710.511191][ T5575] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 710.511535][ T5575] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 710.511879][ T5575] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 710.512233][ T5575] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 710.512570][ T5575] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 710.512899][ T5575] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 710.513331][ T5575] ___sys_sendmsg (net/socket.c:2670) 
[ 710.513664][ T5575] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 710.513999][ T5575] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 710.514343][ T5575] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 710.514674][ T5575] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 710.515005][ T5575] ? __handle_mm_fault (mm/memory.c:6212) 
[ 710.515353][ T5575] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 710.515681][ T5575] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 710.516033][ T5575] __sys_sendmsg (net/socket.c:2700) 
[ 710.516373][ T5575] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 710.516702][ T5575] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 710.517037][ T5575] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 710.517389][ T5575] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 710.517723][ T5575] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 710.518055][ T5575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  710.518475][ T5575] RIP: 0033:0x7f09cee241e7
[ 710.518817][ T5575] 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)
[  710.519979][ T5575] RSP: 002b:00007ffe7b7d2358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  710.520480][ T5575] RAX: ffffffffffffffda RBX: 00007ffe7b7d2a90 RCX: 00007f09cee241e7
[  710.520968][ T5575] RDX: 0000000000000000 RSI: 00007ffe7b7d23c0 RDI: 0000000000000005
[  710.521471][ T5575] RBP: 0000000000000006 R08: 000000000000006c R09: 0000000000000000
[  710.521993][ T5575] R10: 00007f09ceeb2ac0 R11: 0000000000000246 R12: 00007ffe7b7d2ac8
[  710.522504][ T5575] R13: 00000000686e0c4d R14: 0000000000499600 R15: 00007ffe7b7d24b0
| [  718.715486][ T5640] ------------[ cut here ]------------
| [ 718.715841][ T5640] WARNING: CPU: 1 PID: 5640 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) 
| [  718.716498][ T5640] Modules linked in: vxlan
| [  718.717488][ T5640] Tainted: [W]=WARN
[  718.717730][ T5640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 718.718126][ T5640] 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) 
[ 718.718458][ T5640] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  718.719617][ T5640] RSP: 0018:ffffc9000a1a7080 EFLAGS: 00010246
[  718.720022][ T5640] RAX: 0000000000000000 RBX: ffff88800b972000 RCX: 0000000000000001
[  718.720537][ T5640] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  718.721035][ T5640] RBP: ffffc9000a1a7168 R08: 0000000000000000 R09: 0000000000000000
[  718.721531][ T5640] R10: ffffc9000a1a7198 R11: ffffffff95f8d1e0 R12: 1ffff92001434e14
[  718.722035][ T5640] R13: 00000000000005dc R14: ffffc9000a1a7198 R15: ffff88800b972f48
[  718.722518][ T5640] FS:  00007f734083a800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[  718.723078][ T5640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  718.723507][ T5640] CR2: 00007f7340a25ba0 CR3: 0000000011c3a001 CR4: 0000000000772ef0
[  718.723992][ T5640] PKRU: 55555554
[  718.724228][ T5640] Call Trace:
[  718.724472][ T5640]  <TASK>
[ 718.724637][ T5640] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 718.724961][ T5640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 718.725307][ T5640] netif_set_mtu (net/core/dev.c:9652) 
[ 718.725626][ T5640] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 718.725965][ T5640] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 718.726207][ T5640] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 718.726542][ T5640] br_add_if (net/bridge/br_if.c:697) 
[ 718.726793][ T5640] do_set_master (net/core/rtnetlink.c:2948) 
[ 718.727111][ T5640] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 718.727435][ T5640] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 718.727753][ T5640] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 718.728079][ T5640] ? __dev_get_by_name (net/core/dev.c:865) 
[ 718.728409][ T5640] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 718.728723][ T5640] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 718.729045][ T5640] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 718.729373][ T5640] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 718.729693][ T5640] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 718.730022][ T5640] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 718.730388][ T5640] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 718.730726][ T5640] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 718.731048][ T5640] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 718.731378][ T5640] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 718.731755][ T5640] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 718.732081][ T5640] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 718.732434][ T5640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 718.732755][ T5640] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 718.733074][ T5640] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 718.733423][ T5640] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 718.733752][ T5640] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 718.734068][ T5640] ? 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) 
[ 718.734425][ T5640] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 718.734755][ T5640] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 718.735088][ T5640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 718.735426][ T5640] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 718.735751][ T5640] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 718.736082][ T5640] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 718.736421][ T5640] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 718.736737][ T5640] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 718.737050][ T5640] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 718.737511][ T5640] ___sys_sendmsg (net/socket.c:2670) 
[ 718.737837][ T5640] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 718.738177][ T5640] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 718.738528][ T5640] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 718.738842][ T5640] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 718.739174][ T5640] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 718.739562][ T5640] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 718.739886][ T5640] __sys_sendmsg (net/socket.c:2700) 
[ 718.740201][ T5640] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 718.740573][ T5640] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 718.740901][ T5640] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 718.741225][ T5640] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  718.741638][ T5640] RIP: 0033:0x7f7340a071e7
[ 718.741985][ T5640] 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)
[  718.743137][ T5640] RSP: 002b:00007fff12801d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  718.743641][ T5640] RAX: ffffffffffffffda RBX: 00007fff12802450 RCX: 00007f7340a071e7
[  718.744132][ T5640] RDX: 0000000000000000 RSI: 00007fff12801d80 RDI: 0000000000000005
[  718.744630][ T5640] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  718.745141][ T5640] R10: 00007f7340a95ac0 R11: 0000000000000246 R12: 00007fff12802488
[  718.745642][ T5640] R13: 00000000686e0c56 R14: 0000000000499600 R15: 00007fff12801e70
| [  723.353992][ T5670] ------------[ cut here ]------------
| [ 723.354449][ T5670] WARNING: CPU: 2 PID: 5670 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) 
| [  723.355202][ T5670] Modules linked in: vxlan
| [  723.356350][ T5670] Tainted: [W]=WARN
[  723.356634][ T5670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 723.357091][ T5670] 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) 
[ 723.357490][ T5670] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  723.358784][ T5670] RSP: 0018:ffffc90009ea7080 EFLAGS: 00010246
[  723.359300][ T5670] RAX: 0000000000000000 RBX: ffff88800aaaa000 RCX: 0000000000000001
[  723.359892][ T5670] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[  723.360512][ T5670] RBP: ffffc90009ea7168 R08: 0000000000000000 R09: 0000000000000000
[  723.361135][ T5670] R10: ffffc90009ea7198 R11: ffffffff95f8d1e0 R12: 1ffff920013d4e14
[  723.361789][ T5670] R13: 00000000000005dc R14: ffffc90009ea7198 R15: ffff88800aaaaf48
[  723.362397][ T5670] FS:  00007fe12fa08800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[  723.363069][ T5670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  723.363577][ T5670] CR2: 00007fe12fbf3ba0 CR3: 000000000e5f7002 CR4: 0000000000772ef0
[  723.364111][ T5670] PKRU: 55555554
[  723.364403][ T5670] Call Trace:
[  723.364674][ T5670]  <TASK>
[ 723.364856][ T5670] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 723.365232][ T5670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 723.365655][ T5670] netif_set_mtu (net/core/dev.c:9652) 
[ 723.366020][ T5670] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 723.366436][ T5670] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 723.366709][ T5670] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 723.367070][ T5670] br_add_if (net/bridge/br_if.c:697) 
[ 723.367415][ T5670] do_set_master (net/core/rtnetlink.c:2948) 
[ 723.367794][ T5670] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 723.368193][ T5670] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 723.368646][ T5670] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 723.368985][ T5670] ? __dev_get_by_name (net/core/dev.c:865) 
[ 723.369340][ T5670] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 723.369664][ T5670] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 723.370037][ T5670] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 723.370427][ T5670] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 723.370819][ T5670] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 723.371270][ T5670] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 723.371666][ T5670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 723.372072][ T5670] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 723.372405][ T5670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 723.372738][ T5670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 723.373066][ T5670] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 723.373403][ T5670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 723.373728][ T5670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 723.374050][ T5670] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 723.374401][ T5670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 723.374731][ T5670] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 723.375066][ T5670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 723.375401][ T5670] ? 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) 
[ 723.375724][ T5670] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 723.376043][ T5670] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 723.376373][ T5670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 723.376699][ T5670] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 723.377024][ T5670] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 723.377353][ T5670] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 723.377688][ T5670] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 723.378006][ T5670] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 723.378341][ T5670] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 723.378752][ T5670] ___sys_sendmsg (net/socket.c:2670) 
[ 723.379070][ T5670] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 723.379399][ T5670] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 723.379721][ T5670] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 723.380040][ T5670] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 723.380368][ T5670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 723.380690][ T5670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 723.381023][ T5670] __sys_sendmsg (net/socket.c:2700) 
[ 723.381356][ T5670] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 723.381693][ T5670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 723.382040][ T5670] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 723.382395][ T5670] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  723.382795][ T5670] RIP: 0033:0x7fe12fbd51e7
[ 723.383122][ T5670] 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)
[  723.384243][ T5670] RSP: 002b:00007ffea1c4a4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  723.384732][ T5670] RAX: ffffffffffffffda RBX: 00007ffea1c4ac00 RCX: 00007fe12fbd51e7
[  723.385206][ T5670] RDX: 0000000000000000 RSI: 00007ffea1c4a530 RDI: 0000000000000005
[  723.385690][ T5670] RBP: 0000000000000006 R08: 0000000000000078 R09: 0000000000000000
[  723.386197][ T5670] R10: 00007fe12fc63ac0 R11: 0000000000000246 R12: 00007ffea1c4ac38


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if