======================================
| [   36.452322][  T469] br1: port 1(vethhv-11) entered forwarding state
| [   36.454936][  T469] ------------[ cut here ]------------
| [ 36.455263][ T469] WARNING: CPU: 1 PID: 469 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.455921][  T469] Modules linked in: vxlan
[   36.456858][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.457236][ T469] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.457559][ T469] 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
[   36.458640][  T469] RSP: 0018:ffffc90000e36ef0 EFLAGS: 00010246
[   36.459023][  T469] RAX: 0000000000000000 RBX: ffff88800dd6a000 RCX: 0000000000000001
[   36.459471][  T469] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   36.459952][  T469] RBP: ffffc90000e36fd8 R08: 0000000000000000 R09: 0000000000000000
[   36.460414][  T469] R10: ffffc90000e37008 R11: ffffffffaf38d1e0 R12: 1ffff920001c6de2
[   36.462153][  T469] R13: 00000000000005dc R14: ffffc90000e37008 R15: ffff88800dd6af48
[   36.462614][  T469] FS:  00007f65748ed800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[   36.463144][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.463530][  T469] CR2: 00000000004e6890 CR3: 000000000ccf1003 CR4: 0000000000772ef0
[   36.464014][  T469] PKRU: 55555554
[   36.464252][  T469] Call Trace:
[   36.464478][  T469]  <TASK>
[ 36.464645][ T469] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.464957][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.465287][ T469] netif_set_mtu (net/core/dev.c:9652) 
[ 36.465597][ T469] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.465919][ T469] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.466147][ T469] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 36.466458][ T469] br_add_if (net/bridge/br_if.c:697) 
[ 36.466702][ T469] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.466999][ T469] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.467312][ T469] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.467631][ T469] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.468019][ T469] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.468321][ T469] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.468625][ T469] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.468926][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.469230][ T469] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.469530][ T469] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.469910][ T469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.470218][ T469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.470514][ T469] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.470820][ T469] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.471132][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.471432][ T469] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.471744][ T469] ? __create_object (mm/kmemleak.c:771) 
[ 36.472052][ T469] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.472351][ T469] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.472680][ T469] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.473051][ T469] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.473356][ T469] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.473674][ T469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.473978][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.474282][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.474599][ T469] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.474895][ T469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.475209][ T469] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.475506][ T469] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.475824][ T469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.476127][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.476428][ T469] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.476740][ T469] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.477038][ T469] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.477352][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.477655][ T469] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.477954][ T469] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.478254][ T469] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.478560][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.478865][ T469] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.479165][ T469] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.479468][ T469] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.479797][ T469] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.480107][ T469] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.480405][ T469] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.480799][ T469] ___sys_sendmsg (net/socket.c:2670) 
[ 36.481095][ T469] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.481396][ T469] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.481785][ T469] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.482089][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.482388][ T469] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.482698][ T469] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.482994][ T469] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.483299][ T469] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.483618][ T469] __sys_sendmsg (net/socket.c:2700) 
[ 36.483915][ T469] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.484286][ T469] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.484605][ T469] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.484904][ T469] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.485215][ T469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.485596][  T469] RIP: 0033:0x7f6574aba1e7
[ 36.485913][ T469] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.486993][  T469] RSP: 002b:00007ffc841b9428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.487449][  T469] RAX: ffffffffffffffda RBX: 00007ffc841b9b60 RCX: 00007f6574aba1e7
[   36.487923][  T469] RDX: 0000000000000000 RSI: 00007ffc841b9490 RDI: 0000000000000005
[   36.488387][  T469] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   36.488844][  T469] R10: 000000000b3c2910 R11: 0000000000000246 R12: 0000000000000003
[   36.489295][  T469] R13: 00000000686e26c2 R14: 0000000000499600 R15: 0000000000000000
| [   38.017784][  T495] ------------[ cut here ]------------
| [ 38.018086][ T495] WARNING: CPU: 3 PID: 495 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.018682][  T495] Modules linked in: vxlan
| [   38.019613][  T495] Tainted: [W]=WARN
[   38.019842][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.020213][ T495] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.020518][ T495] 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
[   38.021592][  T495] RSP: 0018:ffffc90000ef6ef0 EFLAGS: 00010246
[   38.021969][  T495] RAX: 0000000000000000 RBX: ffff88800dd6a000 RCX: 0000000000000001
[   38.022412][  T495] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   38.022866][  T495] RBP: ffffc90000ef6fd8 R08: 0000000000000000 R09: 0000000000000000
[   38.023313][  T495] R10: ffffc90000ef7008 R11: ffffffffaf38d1e0 R12: 1ffff920001dede2
[   38.023768][  T495] R13: 00000000000005aa R14: ffffc90000ef7008 R15: ffff88800dd6af48
[   38.024215][  T495] FS:  00007f92949e7800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[   38.024756][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.025153][  T495] CR2: 00000000004e6890 CR3: 000000000f2af005 CR4: 0000000000772ef0
[   38.025609][  T495] PKRU: 55555554
[   38.025835][  T495] Call Trace:
[   38.026056][  T495]  <TASK>
[ 38.026209][ T495] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.026506][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.026826][ T495] netif_set_mtu (net/core/dev.c:9652) 
[ 38.027123][ T495] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.027443][ T495] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.027682][ T495] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 38.027986][ T495] br_add_if (net/bridge/br_if.c:697) 
[ 38.028222][ T495] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.028518][ T495] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 38.028829][ T495] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.029133][ T495] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.029515][ T495] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.029819][ T495] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.030116][ T495] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.030416][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.030726][ T495] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.031025][ T495] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.031393][ T495] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.031709][ T495] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.032015][ T495] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.032313][ T495] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.032619][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.032917][ T495] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.033213][ T495] ? __create_object (mm/kmemleak.c:771) 
[ 38.033512][ T495] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.033819][ T495] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.034125][ T495] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.034493][ T495] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.034805][ T495] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.035126][ T495] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.035422][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.035733][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.036031][ T495] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.036332][ T495] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.036640][ T495] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.036937][ T495] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.037237][ T495] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.037538][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.037849][ T495] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.038146][ T495] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.038446][ T495] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.038772][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.039071][ T495] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.039371][ T495] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.039681][ T495] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.039977][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.040279][ T495] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.040587][ T495] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.040889][ T495] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.041195][ T495] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.041499][ T495] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.041803][ T495] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.042188][ T495] ___sys_sendmsg (net/socket.c:2670) 
[ 38.042492][ T495] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.042794][ T495] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.043170][ T495] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.043471][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.043786][ T495] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.044093][ T495] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.044390][ T495] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.044696][ T495] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.045008][ T495] __sys_sendmsg (net/socket.c:2700) 
[ 38.045310][ T495] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.045687][ T495] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.046000][ T495] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.046298][ T495] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.046608][ T495] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.046979][  T495] RIP: 0033:0x7f9294bb41e7
[ 38.047285][ T495] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.048365][  T495] RSP: 002b:00007fffff327ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.048823][  T495] RAX: ffffffffffffffda RBX: 00007fffff328610 RCX: 00007f9294bb41e7
[   38.049270][  T495] RDX: 0000000000000000 RSI: 00007fffff327f40 RDI: 0000000000000005
[   38.049729][  T495] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   38.050178][  T495] R10: 000000001c7e9910 R11: 0000000000000246 R12: 0000000000000003
[   38.050634][  T495] R13: 00000000686e26c3 R14: 0000000000499600 R15: 0000000000000000
| [   41.544587][  T545] ------------[ cut here ]------------
| [ 41.544930][ T545] WARNING: CPU: 2 PID: 545 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) 
| [   41.545586][  T545] Modules linked in: vxlan
| [   41.546571][  T545] Tainted: [W]=WARN
[   41.546829][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.547231][ T545] 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) 
[ 41.547574][ T545] 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
[   41.548695][  T545] RSP: 0018:ffffc90001086ef0 EFLAGS: 00010246
[   41.549101][  T545] RAX: 0000000000000000 RBX: ffff88800e1f2000 RCX: 0000000000000001
[   41.549584][  T545] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   41.550060][  T545] RBP: ffffc90001086fd8 R08: 0000000000000000 R09: 0000000000000000
[   41.550539][  T545] R10: ffffc90001087008 R11: ffffffffaf38d1e0 R12: 1ffff92000210de2
[   41.551266][  T545] R13: 00000000000005dc R14: ffffc90001087008 R15: ffff88800e1f2f48
[   41.551893][  T545] FS:  00007fba958fe800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[   41.552533][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.552963][  T545] CR2: 00000000004e6898 CR3: 000000000adc8002 CR4: 0000000000772ef0
[   41.553445][  T545] PKRU: 55555554
[   41.553704][  T545] Call Trace:
[   41.553948][  T545]  <TASK>
[ 41.554123][ T545] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.554450][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.554833][ T545] netif_set_mtu (net/core/dev.c:9652) 
[ 41.555187][ T545] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 41.555526][ T545] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 41.555787][ T545] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 41.556120][ T545] br_add_if (net/bridge/br_if.c:697) 
[ 41.556378][ T545] do_set_master (net/core/rtnetlink.c:2948) 
[ 41.556712][ T545] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.557039][ T545] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 41.557367][ T545] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.557786][ T545] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.558113][ T545] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.558434][ T545] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.558803][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.559132][ T545] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.559460][ T545] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.559874][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.560200][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.560523][ T545] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.560860][ T545] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.561185][ T545] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.561508][ T545] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.561841][ T545] ? __create_object (mm/kmemleak.c:771) 
[ 41.562167][ T545] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.562492][ T545] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.562843][ T545] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.563246][ T545] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.563585][ T545] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.563911][ T545] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.564232][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.564568][ T545] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.564894][ T545] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.565227][ T545] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.565562][ T545] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.565888][ T545] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.566211][ T545] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.566536][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.566890][ T545] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.567222][ T545] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.567563][ T545] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.567899][ T545] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.568219][ T545] ? 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) 
[ 41.568557][ T545] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.568888][ T545] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.569210][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.569537][ T545] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.569885][ T545] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.570210][ T545] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.570571][ T545] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.570902][ T545] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.571223][ T545] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.571647][ T545] ___sys_sendmsg (net/socket.c:2670) 
[ 41.571972][ T545] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.572300][ T545] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.572713][ T545] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.573037][ T545] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.573368][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.573710][ T545] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.574035][ T545] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.574354][ T545] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.574709][ T545] __sys_sendmsg (net/socket.c:2700) 
[ 41.575047][ T545] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.575442][ T545] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.575784][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.576107][ T545] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.576428][ T545] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.576838][  T545] RIP: 0033:0x7fba95acb1e7
[ 41.577167][ T545] 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)
[   41.578294][  T545] RSP: 002b:00007ffc0014be28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.578794][  T545] RAX: ffffffffffffffda RBX: 00007ffc0014c560 RCX: 00007fba95acb1e7
[   41.579276][  T545] RDX: 0000000000000000 RSI: 00007ffc0014be90 RDI: 0000000000000005
[   41.579767][  T545] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   41.580241][  T545] R10: 000000002963b910 R11: 0000000000000246 R12: 0000000000000003
[   41.580726][  T545] R13: 00000000686e26c7 R14: 0000000000499600 R15: 0000000000000000
| [   43.105370][  T571] ------------[ cut here ]------------
| [ 43.105689][ T571] WARNING: CPU: 0 PID: 571 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) 
| [   43.106283][  T571] Modules linked in: vxlan
| [   43.107207][  T571] Tainted: [W]=WARN
[   43.107436][  T571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.107823][ T571] 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) 
[ 43.108130][ T571] 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
[   43.109203][  T571] RSP: 0018:ffffc90001106ef0 EFLAGS: 00010246
[   43.109594][  T571] RAX: 0000000000000000 RBX: ffff88800e1f2000 RCX: 0000000000000001
[   43.110045][  T571] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   43.110494][  T571] RBP: ffffc90001106fd8 R08: 0000000000000000 R09: 0000000000000000
[   43.110947][  T571] R10: ffffc90001107008 R11: ffffffffaf38d1e0 R12: 1ffff92000220de2
[   43.111397][  T571] R13: 0000000000000596 R14: ffffc90001107008 R15: ffff88800e1f2f48
[   43.111854][  T571] FS:  00007f3f87cb4800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[   43.112375][  T571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.112757][  T571] CR2: 00000000004e6898 CR3: 000000000f2af002 CR4: 0000000000772ef0
[   43.113206][  T571] PKRU: 55555554
[   43.113430][  T571] Call Trace:
[   43.113660][  T571]  <TASK>
[ 43.113821][ T571] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.114119][ T571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.114430][ T571] netif_set_mtu (net/core/dev.c:9652) 
[ 43.114737][ T571] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 43.115063][ T571] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 43.115293][ T571] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 43.115604][ T571] br_add_if (net/bridge/br_if.c:697) 
[ 43.115840][ T571] do_set_master (net/core/rtnetlink.c:2948) 
[ 43.116145][ T571] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.116449][ T571] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 43.116761][ T571] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.117138][ T571] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.117436][ T571] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.117741][ T571] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.118042][ T571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.118349][ T571] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.118657][ T571] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.119026][ T571] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.119328][ T571] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.119651][ T571] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.119949][ T571] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.120251][ T571] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.120571][ T571] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.120867][ T571] ? __create_object (mm/kmemleak.c:771) 
[ 43.121169][ T571] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.121470][ T571] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.121782][ T571] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.122150][ T571] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.122456][ T571] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.122771][ T571] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.123073][ T571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.123377][ T571] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.123685][ T571] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.123982][ T571] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.124284][ T571] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.124599][ T571] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.124906][ T571] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.125222][ T571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.125526][ T571] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.125837][ T571] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.126137][ T571] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.126445][ T571] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.126751][ T571] ? 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) 
[ 43.127052][ T571] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.127359][ T571] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.127668][ T571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.127972][ T571] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.128276][ T571] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.128584][ T571] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.128893][ T571] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.129194][ T571] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.129489][ T571] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.129886][ T571] ___sys_sendmsg (net/socket.c:2670) 
[ 43.130182][ T571] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.130478][ T571] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.130876][ T571] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.131180][ T571] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.131483][ T571] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.131798][ T571] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.132101][ T571] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.132402][ T571] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.132717][ T571] __sys_sendmsg (net/socket.c:2700) 
[ 43.133017][ T571] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.133386][ T571] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.133711][ T571] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.134013][ T571] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.134321][ T571] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.134700][  T571] RIP: 0033:0x7f3f87e811e7
[ 43.135016][ T571] 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)
[   43.136085][  T571] RSP: 002b:00007fff98590ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.136541][  T571] RAX: ffffffffffffffda RBX: 00007fff98591220 RCX: 00007f3f87e811e7
[   43.137001][  T571] RDX: 0000000000000000 RSI: 00007fff98590b50 RDI: 0000000000000005
[   43.137444][  T571] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   43.137900][  T571] R10: 000000002d76a910 R11: 0000000000000246 R12: 0000000000000003
[   43.138353][  T571] R13: 00000000686e26c8 R14: 0000000000499600 R15: 0000000000000000
| [   46.806091][  T622] ------------[ cut here ]------------
| [ 46.806388][ T622] WARNING: CPU: 3 PID: 622 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) 
| [   46.807877][  T622] Modules linked in: vxlan
| [   46.808797][  T622] Tainted: [W]=WARN
[   46.809026][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.809403][ T622] 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) 
[ 46.809715][ T622] 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
[   46.810786][  T622] RSP: 0018:ffffc90000ec6ef0 EFLAGS: 00010246
[   46.811161][  T622] RAX: 0000000000000000 RBX: ffff88800c48a000 RCX: 0000000000000001
[   46.811618][  T622] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   46.812063][  T622] RBP: ffffc90000ec6fd8 R08: 0000000000000000 R09: 0000000000000000
[   46.812510][  T622] R10: ffffc90000ec7008 R11: ffffffffaf38d1e0 R12: 1ffff920001d8de2
[   46.812960][  T622] R13: 00000000000005dc R14: ffffc90000ec7008 R15: ffff88800c48af48
[   46.813404][  T622] FS:  00007f648a053800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[   46.813929][  T622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.814309][  T622] CR2: 00000000004e6890 CR3: 0000000019486005 CR4: 0000000000772ef0
[   46.814763][  T622] PKRU: 55555554
[   46.815000][  T622] Call Trace:
[   46.815221][  T622]  <TASK>
[ 46.815374][ T622] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.815678][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.815987][ T622] netif_set_mtu (net/core/dev.c:9652) 
[ 46.816285][ T622] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 46.816604][ T622] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 46.816830][ T622] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 46.817135][ T622] br_add_if (net/bridge/br_if.c:697) 
[ 46.817369][ T622] do_set_master (net/core/rtnetlink.c:2948) 
[ 46.817672][ T622] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.817971][ T622] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 46.818275][ T622] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.818658][ T622] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.818952][ T622] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.819250][ T622] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.819558][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.819856][ T622] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 46.820162][ T622] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.820528][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.820836][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.821134][ T622] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.821435][ T622] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.821742][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.822040][ T622] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.822335][ T622] ? __create_object (mm/kmemleak.c:771) 
[ 46.822639][ T622] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.822935][ T622] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.823232][ T622] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.823605][ T622] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.823914][ T622] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.824217][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.824511][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.824822][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.825133][ T622] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.825426][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.825732][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.826031][ T622] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.826335][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.826643][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.826945][ T622] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.827242][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.827539][ T622] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.827853][ T622] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.828152][ T622] ? 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) 
[ 46.828481][ T622] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.828790][ T622] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.829084][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.829385][ T622] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.829696][ T622] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.830011][ T622] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.830314][ T622] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.830626][ T622] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.830921][ T622] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.831299][ T622] ___sys_sendmsg (net/socket.c:2670) 
[ 46.831604][ T622] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.831898][ T622] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 46.832269][ T622] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.832580][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.832885][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.833188][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.833485][ T622] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.833789][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.834096][ T622] __sys_sendmsg (net/socket.c:2700) 
[ 46.834389][ T622] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.834779][ T622] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.835099][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.835400][ T622] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.835707][ T622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.836083][  T622] RIP: 0033:0x7f648a2201e7
[ 46.836387][ T622] 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)
[   46.837453][  T622] RSP: 002b:00007ffe3160fc58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.837915][  T622] RAX: ffffffffffffffda RBX: 00007ffe31610390 RCX: 00007f648a2201e7
[   46.838358][  T622] RDX: 0000000000000000 RSI: 00007ffe3160fcc0 RDI: 0000000000000005
[   46.838808][  T622] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   46.839253][  T622] R10: 00000000209cd910 R11: 0000000000000246 R12: 0000000000000003
[   46.839704][  T622] R13: 00000000686e26cc R14: 0000000000499600 R15: 0000000000000000
| [   48.359459][  T648] ------------[ cut here ]------------
| [ 48.359771][ T648] WARNING: CPU: 1 PID: 648 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) 
| [   48.360365][  T648] Modules linked in: vxlan
| [   48.361282][  T648] Tainted: [W]=WARN
[   48.361507][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.361888][ T648] 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) 
[ 48.362193][ T648] 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
[   48.363264][  T648] RSP: 0018:ffffc90001386ef0 EFLAGS: 00010246
[   48.363650][  T648] RAX: 0000000000000000 RBX: ffff88800c48a000 RCX: 0000000000000001
[   48.364096][  T648] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   48.364543][  T648] RBP: ffffc90001386fd8 R08: 0000000000000000 R09: 0000000000000000
[   48.365010][  T648] R10: ffffc90001387008 R11: ffffffffaf38d1e0 R12: 1ffff92000270de2
[   48.365455][  T648] R13: 00000000000005aa R14: ffffc90001387008 R15: ffff88800c48af48
[   48.365907][  T648] FS:  00007f846efaf800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[   48.366428][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.366810][  T648] CR2: 00000000004e6890 CR3: 00000000191d2001 CR4: 0000000000772ef0
[   48.367256][  T648] PKRU: 55555554
[   48.367479][  T648] Call Trace:
[   48.367708][  T648]  <TASK>
[ 48.367862][ T648] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 48.368158][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.368514][ T648] netif_set_mtu (net/core/dev.c:9652) 
[ 48.368820][ T648] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 48.369131][ T648] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 48.369357][ T648] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 48.369671][ T648] br_add_if (net/bridge/br_if.c:697) 
[ 48.369905][ T648] do_set_master (net/core/rtnetlink.c:2948) 
[ 48.370201][ T648] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 48.370511][ T648] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.370822][ T648] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 48.371200][ T648] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 48.371496][ T648] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 48.371800][ T648] ? __kernel_text_address (kernel/extable.c:79) 
[ 48.372099][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.372401][ T648] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 48.372715][ T648] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 48.373086][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.373387][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.373709][ T648] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 48.374007][ T648] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 48.374305][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.374613][ T648] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 48.374908][ T648] ? __create_object (mm/kmemleak.c:771) 
[ 48.375223][ T648] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 48.375521][ T648] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.375831][ T648] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.376200][ T648] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 48.376612][ T648] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 48.376922][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.377222][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.377535][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.377849][ T648] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 48.378149][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.378453][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.378765][ T648] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 48.379069][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.379375][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.379691][ T648] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 48.380002][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.380304][ T648] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 48.380626][ T648] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 48.380926][ T648] ? 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) 
[ 48.381227][ T648] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 48.381530][ T648] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 48.381843][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.382158][ T648] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.382464][ T648] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 48.382778][ T648] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 48.383089][ T648] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.383393][ T648] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 48.383702][ T648] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 48.384127][ T648] ___sys_sendmsg (net/socket.c:2670) 
[ 48.384442][ T648] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 48.384758][ T648] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 48.385286][ T648] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 48.385856][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.386402][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.386984][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.387531][ T648] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 48.388094][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.388670][ T648] __sys_sendmsg (net/socket.c:2700) 
[ 48.389210][ T648] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 48.389655][ T648] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 48.389984][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.390532][ T648] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.391093][ T648] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.391495][  T648] RIP: 0033:0x7f846f17c1e7
[ 48.391825][ T648] 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)
[   48.392923][  T648] RSP: 002b:00007ffd7335dc08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   48.393401][  T648] RAX: ffffffffffffffda RBX: 00007ffd7335e340 RCX: 00007f846f17c1e7
[   48.393877][  T648] RDX: 0000000000000000 RSI: 00007ffd7335dc70 RDI: 0000000000000005
[   48.394345][  T648] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   48.394804][  T648] R10: 0000000020272910 R11: 0000000000000246 R12: 0000000000000003
[   48.395277][  T648] R13: 00000000686e26cd R14: 0000000000499600 R15: 0000000000000000
| [   51.951790][  T698] ------------[ cut here ]------------
| [ 51.952095][ T698] WARNING: CPU: 1 PID: 698 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) 
| [   51.952713][  T698] Modules linked in: vxlan
| [   51.953739][  T698] Tainted: [W]=WARN
[   51.953970][  T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.954351][ T698] 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) 
[ 51.954671][ T698] 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
[   51.955767][  T698] RSP: 0018:ffffc900014e6ef0 EFLAGS: 00010246
[   51.956159][  T698] RAX: 0000000000000000 RBX: ffff888005e6a000 RCX: 0000000000000001
[   51.956632][  T698] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   51.957091][  T698] RBP: ffffc900014e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   51.957543][  T698] R10: ffffc900014e7008 R11: ffffffffaf38d1e0 R12: 1ffff9200029cde2
[   51.958017][  T698] R13: 00000000000005dc R14: ffffc900014e7008 R15: ffff888005e6af48
[   51.958481][  T698] FS:  00007f6b747a7800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[   51.959017][  T698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.959397][  T698] CR2: 00000000004e6898 CR3: 000000000c52d004 CR4: 0000000000772ef0
[   51.959862][  T698] PKRU: 55555554
[   51.960089][  T698] Call Trace:
[   51.960316][  T698]  <TASK>
[ 51.960472][ T698] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.960799][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.961123][ T698] netif_set_mtu (net/core/dev.c:9652) 
[ 51.961424][ T698] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 51.961750][ T698] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 51.961982][ T698] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 51.962296][ T698] br_add_if (net/bridge/br_if.c:697) 
[ 51.962534][ T698] do_set_master (net/core/rtnetlink.c:2948) 
[ 51.962845][ T698] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 51.963158][ T698] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 51.963466][ T698] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 51.963859][ T698] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 51.964163][ T698] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 51.964465][ T698] ? __kernel_text_address (kernel/extable.c:79) 
[ 51.964800][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.965127][ T698] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 51.965431][ T698] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 51.965815][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.966120][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.966422][ T698] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 51.966729][ T698] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 51.967031][ T698] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.967334][ T698] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.967647][ T698] ? __create_object (mm/kmemleak.c:771) 
[ 51.967952][ T698] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 51.968264][ T698] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 51.968584][ T698] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 51.968965][ T698] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 51.969277][ T698] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.969592][ T698] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.969898][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.970205][ T698] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.970509][ T698] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.970818][ T698] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.971122][ T698] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.971425][ T698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.971739][ T698] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.972055][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.972366][ T698] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.972674][ T698] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.972978][ T698] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.973290][ T698] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.973598][ T698] ? 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) 
[ 51.973901][ T698] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.974207][ T698] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.974512][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.974826][ T698] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.975140][ T698] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.975444][ T698] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.975759][ T698] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.976063][ T698] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.976362][ T698] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.976775][ T698] ___sys_sendmsg (net/socket.c:2670) 
[ 51.977082][ T698] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 51.977381][ T698] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 51.977767][ T698] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.978073][ T698] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.978377][ T698] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.978694][ T698] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.979000][ T698] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 51.979300][ T698] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.979619][ T698] __sys_sendmsg (net/socket.c:2700) 
[ 51.979919][ T698] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 51.980291][ T698] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.980624][ T698] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.980929][ T698] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.981233][ T698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.981620][  T698] RIP: 0033:0x7f6b749741e7
[ 51.981931][ T698] 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)
[   51.983098][  T698] RSP: 002b:00007ffde7e57248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.983562][  T698] RAX: ffffffffffffffda RBX: 00007ffde7e57980 RCX: 00007f6b749741e7
[   51.984008][  T698] RDX: 0000000000000000 RSI: 00007ffde7e572b0 RDI: 0000000000000005
[   51.984453][  T698] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   51.984915][  T698] R10: 000000001cdd8910 R11: 0000000000000246 R12: 0000000000000003
[   51.985381][  T698] R13: 00000000686e26d1 R14: 0000000000499600 R15: 0000000000000000
| [   53.804229][  T724] ------------[ cut here ]------------
| [ 53.804533][ T724] WARNING: CPU: 0 PID: 724 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) 
| [   53.805181][  T724] Modules linked in: vxlan
| [   53.806113][  T724] Tainted: [W]=WARN
[   53.806339][  T724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.806722][ T724] 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) 
[ 53.807036][ T724] 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
[   53.808105][  T724] RSP: 0018:ffffc90001566ef0 EFLAGS: 00010246
[   53.808486][  T724] RAX: 0000000000000000 RBX: ffff888005e6a000 RCX: 0000000000000001
[   53.808947][  T724] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   53.809397][  T724] RBP: ffffc90001566fd8 R08: 0000000000000000 R09: 0000000000000000
[   53.809849][  T724] R10: ffffc90001567008 R11: ffffffffaf38d1e0 R12: 1ffff920002acde2
[   53.810299][  T724] R13: 0000000000000596 R14: ffffc90001567008 R15: ffff888005e6af48
[   53.810756][  T724] FS:  00007f62d49ff800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[   53.811283][  T724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.811669][  T724] CR2: 00000000004e6898 CR3: 00000000193f0003 CR4: 0000000000772ef0
[   53.812122][  T724] PKRU: 55555554
[   53.812347][  T724] Call Trace:
[   53.812577][  T724]  <TASK>
[ 53.812736][ T724] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.813041][ T724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.813369][ T724] netif_set_mtu (net/core/dev.c:9652) 
[ 53.813680][ T724] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.813994][ T724] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.814222][ T724] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 53.814534][ T724] br_add_if (net/bridge/br_if.c:697) 
[ 53.814780][ T724] do_set_master (net/core/rtnetlink.c:2948) 
[ 53.815094][ T724] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 53.815405][ T724] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.815717][ T724] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.816094][ T724] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.816395][ T724] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.816700][ T724] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.817002][ T724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.817310][ T724] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.817621][ T724] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.817990][ T724] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.818290][ T724] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.818596][ T724] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.818894][ T724] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.819211][ T724] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.819512][ T724] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.819819][ T724] ? __create_object (mm/kmemleak.c:771) 
[ 53.820126][ T724] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.820421][ T724] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.820763][ T724] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.821133][ T724] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.821441][ T724] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.821759][ T724] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.822064][ T724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.822369][ T724] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.822677][ T724] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.822973][ T724] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.823272][ T724] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.823580][ T724] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.823884][ T724] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.824185][ T724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.824492][ T724] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.824805][ T724] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.825114][ T724] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.825425][ T724] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.825727][ T724] ? 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) 
[ 53.826026][ T724] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 53.826325][ T724] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.826636][ T724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.826939][ T724] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.827242][ T724] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.827541][ T724] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.827871][ T724] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.828178][ T724] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.828475][ T724] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.828877][ T724] ___sys_sendmsg (net/socket.c:2670) 
[ 53.829175][ T724] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.829474][ T724] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.829861][ T724] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.830163][ T724] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.830466][ T724] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.830779][ T724] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.831086][ T724] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.831387][ T724] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.831702][ T724] __sys_sendmsg (net/socket.c:2700) 
[ 53.831997][ T724] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.832364][ T724] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.832685][ T724] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.832987][ T724] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.833295][ T724] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.833678][  T724] RIP: 0033:0x7f62d4bcc1e7
[ 53.833995][ T724] 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)
[   53.835081][  T724] RSP: 002b:00007ffe89f9d468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.835556][  T724] RAX: ffffffffffffffda RBX: 00007ffe89f9dba0 RCX: 00007f62d4bcc1e7
[   53.836013][  T724] RDX: 0000000000000000 RSI: 00007ffe89f9d4d0 RDI: 0000000000000005
[   53.836461][  T724] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   53.836914][  T724] R10: 000000000106a910 R11: 0000000000000246 R12: 0000000000000003
[   53.837367][  T724] R13: 00000000686e26d3 R14: 0000000000499600 R15: 0000000000000000
| [   58.519210][   T12] ------------[ cut here ]------------
| [ 58.519532][ T12] WARNING: CPU: 1 PID: 12 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) 
| [   58.521089][   T12] Modules linked in: vxlan
| [   58.522192][   T12] Tainted: [W]=WARN
[   58.522430][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.522844][   T12] Workqueue: netns cleanup_net
[ 58.523182][ T12] 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) 
[ 58.523499][ T12] 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
[   58.524626][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[   58.525080][   T12] RAX: 0000000000000000 RBX: ffff888005e6a000 RCX: 0000000000000001
[   58.525567][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   58.526033][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[   58.526499][   T12] R10: ffffc900000c7480 R11: ffffffffaacbe86a R12: 1ffff92000018e70
[   58.526974][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888005e6af48
[   58.527447][   T12] FS:  0000000000000000(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[   58.528003][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.528415][   T12] CR2: 00007f6b8c9262ba CR3: 000000000e0f4002 CR4: 0000000000772ef0
[   58.528905][   T12] PKRU: 55555554
[   58.529168][   T12] Call Trace:
[   58.529398][   T12]  <TASK>
[ 58.529743][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.530058][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 58.530442][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 58.530870][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 58.531182][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.531500][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 58.532066][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 58.532450][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 58.533158][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 58.533481][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 58.534095][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 58.534419][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 58.534996][ T12] ? kthread (kernel/kthread.c:464) 
[ 58.535242][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 58.535579][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 58.535920][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 58.536242][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 58.536619][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 58.536885][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 58.537320][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 58.537764][ T12] br_device_event (net/bridge/br.c:141) 
[ 58.538082][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 58.538401][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 58.538740][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 58.539136][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 58.539563][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 58.539955][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 58.540285][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 58.540710][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 58.541140][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 58.541454][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 58.541857][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 58.542169][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 58.542571][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 58.542961][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 58.543342][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 58.543742][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 58.544053][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 58.544441][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 58.544781][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 58.545127][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 58.545444][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 58.545767][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 58.546076][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.546389][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 58.546734][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 58.547053][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 58.547372][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 58.547703][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 58.548014][ T12] kthread (kernel/kthread.c:464) 
[ 58.548246][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.548579][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 58.548915][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.549225][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.549532][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.549862][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 58.550171][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.550478][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   58.571937][   T12] ------------[ cut here ]------------
| [ 58.572254][ T12] WARNING: CPU: 3 PID: 12 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) 
| [   58.572804][   T12] Modules linked in: vxlan
| [   58.573838][   T12] Tainted: [W]=WARN
[   58.574075][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.574460][   T12] Workqueue: netns cleanup_net
[ 58.574794][ T12] 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) 
[ 58.575120][ T12] 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
[   58.576242][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[   58.576644][   T12] RAX: 0000000000000000 RBX: ffff88800c48a000 RCX: 0000000000000001
[   58.577108][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   58.577580][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[   58.578045][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[   58.578512][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800c48af48
[   58.578992][   T12] FS:  0000000000000000(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[   58.579543][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.579943][   T12] CR2: 00007f01adb2f000 CR3: 0000000014d4a001 CR4: 0000000000772ef0
[   58.580410][   T12] PKRU: 55555554
[   58.580655][   T12] Call Trace:
[   58.580890][   T12]  <TASK>
[ 58.581046][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.581358][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 58.581758][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 58.581994][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 58.582302][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.582616][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 58.582927][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 58.583307][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 58.583697][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 58.584004][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 58.584310][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 58.584626][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 58.584931][ T12] ? kthread (kernel/kthread.c:464) 
[ 58.585169][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 58.585493][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 58.585826][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 58.586139][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 58.586465][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 58.586711][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 58.587026][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 58.587260][ T12] br_device_event (net/bridge/br.c:141) 
[ 58.587576][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 58.587895][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 58.588209][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 58.588613][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 58.589016][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 58.589410][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 58.589746][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 58.590148][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 58.590567][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 58.590884][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 58.591276][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 58.591595][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 58.591980][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 58.592363][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 58.592755][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 58.593152][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 58.593460][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 58.593862][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 58.594176][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 58.594485][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 58.594807][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 58.595126][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 58.595442][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.595767][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 58.596086][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 58.596400][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 58.596720][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 58.597038][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 58.597346][ T12] kthread (kernel/kthread.c:464) 
[ 58.597592][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.597898][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 58.598203][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.598517][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.598837][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.599146][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 58.599455][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 58.599774][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   79.619309][  T965] ------------[ cut here ]------------
| [ 79.619650][ T965] WARNING: CPU: 3 PID: 965 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) 
| [   79.620290][  T965] Modules linked in: vxlan
| [   79.621292][  T965] Tainted: [W]=WARN
[   79.621535][  T965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 79.621955][ T965] 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) 
[ 79.622289][ T965] 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
[   79.623414][  T965] RSP: 0018:ffffc90001f86ef0 EFLAGS: 00010246
[   79.623811][  T965] RAX: 0000000000000000 RBX: ffff888005192000 RCX: 0000000000000001
[   79.624305][  T965] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   79.624813][  T965] RBP: ffffc90001f86fd8 R08: 0000000000000000 R09: 0000000000000000
[   79.625326][  T965] R10: ffffc90001f87008 R11: ffffffffaf38d1e0 R12: 1ffff920003f0de2
[   79.625823][  T965] R13: 00000000000005dc R14: ffffc90001f87008 R15: ffff888005192f48
[   79.626295][  T965] FS:  00007fb133afd800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[   79.626847][  T965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.627250][  T965] CR2: 00000000004e6890 CR3: 000000000ddcd002 CR4: 0000000000772ef0
[   79.627736][  T965] PKRU: 55555554
[   79.627973][  T965] Call Trace:
[   79.628219][  T965]  <TASK>
[ 79.628388][ T965] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 79.628727][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.629067][ T965] netif_set_mtu (net/core/dev.c:9652) 
[ 79.629383][ T965] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 79.629718][ T965] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 79.629956][ T965] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 79.630275][ T965] br_add_if (net/bridge/br_if.c:697) 
[ 79.630520][ T965] do_set_master (net/core/rtnetlink.c:2948) 
[ 79.630854][ T965] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 79.631173][ T965] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 79.631484][ T965] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 79.631886][ T965] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 79.632207][ T965] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 79.632537][ T965] ? __kernel_text_address (kernel/extable.c:79) 
[ 79.632875][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.633207][ T965] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 79.633522][ T965] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 79.633918][ T965] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.634234][ T965] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.634540][ T965] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 79.634863][ T965] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 79.635193][ T965] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.635503][ T965] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 79.635821][ T965] ? __create_object (mm/kmemleak.c:771) 
[ 79.636135][ T965] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 79.636443][ T965] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 79.636763][ T965] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 79.637152][ T965] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 79.637466][ T965] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 79.637792][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 79.638105][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.638420][ T965] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.638737][ T965] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 79.639049][ T965] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 79.639361][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 79.639686][ T965] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 79.639996][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 79.640309][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.640634][ T965] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 79.640943][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 79.641253][ T965] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 79.641585][ T965] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 79.641897][ T965] ? 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) 
[ 79.642208][ T965] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 79.642521][ T965] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 79.642854][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.643172][ T965] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 79.643485][ T965] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 79.643813][ T965] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 79.644133][ T965] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 79.644446][ T965] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 79.644764][ T965] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 79.645168][ T965] ___sys_sendmsg (net/socket.c:2670) 
[ 79.645476][ T965] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 79.645797][ T965] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 79.646184][ T965] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 79.646500][ T965] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.646824][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 79.647143][ T965] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 79.647453][ T965] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 79.647776][ T965] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 79.648100][ T965] __sys_sendmsg (net/socket.c:2700) 
[ 79.648406][ T965] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 79.648797][ T965] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 79.649126][ T965] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 79.649437][ T965] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 79.649759][ T965] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   79.650143][  T965] RIP: 0033:0x7fb133cca1e7
[ 79.650458][ T965] 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)
[   79.651576][  T965] RSP: 002b:00007ffe53642a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   79.652041][  T965] RAX: ffffffffffffffda RBX: 00007ffe53643140 RCX: 00007fb133cca1e7
[   79.652505][  T965] RDX: 0000000000000000 RSI: 00007ffe53642a70 RDI: 0000000000000005
[   79.652977][  T965] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   79.653446][  T965] R10: 0000000009962910 R11: 0000000000000246 R12: 0000000000000003
[   79.653916][  T965] R13: 00000000686e26ed R14: 0000000000499600 R15: 0000000000000000
| [   81.136584][  T991] ------------[ cut here ]------------
| [ 81.136885][ T991] WARNING: CPU: 0 PID: 991 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) 
| [   81.137489][  T991] Modules linked in: vxlan
| [   81.138464][  T991] Tainted: [W]=WARN
[   81.138737][  T991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 81.139130][ T991] 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) 
[ 81.139447][ T991] 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
[   81.140559][  T991] RSP: 0018:ffffc90002036ef0 EFLAGS: 00010246
[   81.140952][  T991] RAX: 0000000000000000 RBX: ffff888005192000 RCX: 0000000000000001
[   81.141416][  T991] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   81.141888][  T991] RBP: ffffc90002036fd8 R08: 0000000000000000 R09: 0000000000000000
[   81.142348][  T991] R10: ffffc90002037008 R11: ffffffffafcceab8 R12: 1ffff92000406de2
[   81.142818][  T991] R13: 00000000000005aa R14: ffffc90002037008 R15: ffff888005192f48
[   81.143285][  T991] FS:  00007f370849e800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[   81.143834][  T991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.144224][  T991] CR2: 00000000004e6890 CR3: 000000000b490001 CR4: 0000000000772ef0
[   81.144696][  T991] PKRU: 55555554
[   81.144928][  T991] Call Trace:
[   81.145171][  T991]  <TASK>
[ 81.145330][ T991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 81.145652][ T991] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 81.145961][ T991] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 81.146343][ T991] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 81.146661][ T991] netif_set_mtu (net/core/dev.c:9652) 
[ 81.146970][ T991] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 81.147287][ T991] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 81.147695][ T991] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 81.147931][ T991] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 81.148243][ T991] br_add_if (net/bridge/br_if.c:697) 
[ 81.148486][ T991] do_set_master (net/core/rtnetlink.c:2948) 
[ 81.148801][ T991] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 81.149114][ T991] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 81.149428][ T991] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 81.149832][ T991] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 81.150141][ T991] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 81.150447][ T991] ? __kernel_text_address (kernel/extable.c:79) 
[ 81.150764][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 81.151078][ T991] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 81.151387][ T991] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 81.151778][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 81.152090][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 81.152398][ T991] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 81.152714][ T991] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 81.153023][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 81.153331][ T991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 81.153647][ T991] ? __create_object (mm/kmemleak.c:771) 
[ 81.153956][ T991] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 81.154264][ T991] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 81.154586][ T991] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.154970][ T991] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 81.155291][ T991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 81.155614][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 81.155920][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 81.156233][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 81.156540][ T991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 81.156861][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 81.157169][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 81.157478][ T991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 81.157796][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 81.158109][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 81.158421][ T991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 81.158738][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 81.159047][ T991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 81.159370][ T991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 81.159685][ T991] ? 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) 
[ 81.159994][ T991] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 81.160308][ T991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 81.160622][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 81.160940][ T991] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 81.161250][ T991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 81.161570][ T991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 81.161883][ T991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 81.162193][ T991] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 81.162499][ T991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 81.162905][ T991] ___sys_sendmsg (net/socket.c:2670) 
[ 81.163211][ T991] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 81.163518][ T991] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 81.163916][ T991] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 81.164228][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 81.164540][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 81.164864][ T991] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 81.165186][ T991] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 81.165493][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 81.165817][ T991] __sys_sendmsg (net/socket.c:2700) 
[ 81.166128][ T991] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 81.166509][ T991] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 81.166840][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 81.167150][ T991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 81.167461][ T991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   81.167850][  T991] RIP: 0033:0x7f370866b1e7
[ 81.168165][ T991] 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)
[   81.169272][  T991] RSP: 002b:00007ffcff1caff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   81.169741][  T991] RAX: ffffffffffffffda RBX: 00007ffcff1cb730 RCX: 00007f370866b1e7
[   81.170195][  T991] RDX: 0000000000000000 RSI: 00007ffcff1cb060 RDI: 0000000000000005
[   81.170669][  T991] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   81.171125][  T991] R10: 000000002c71c910 R11: 0000000000000246 R12: 0000000000000003
[   81.171594][  T991] R13: 00000000686e26ee R14: 0000000000499600 R15: 0000000000000000
| [   84.707043][ T1041] ------------[ cut here ]------------
| [ 84.707382][ T1041] WARNING: CPU: 1 PID: 1041 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) 
| [   84.708458][ T1041] Modules linked in: vxlan
| [   84.709433][ T1041] Tainted: [W]=WARN
[   84.709703][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 84.710101][ T1041] 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) 
[ 84.710426][ T1041] 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
[   84.711626][ T1041] RSP: 0018:ffffc90001e56ef0 EFLAGS: 00010246
[   84.712027][ T1041] RAX: 0000000000000000 RBX: ffff888009162000 RCX: 0000000000000001
[   84.712495][ T1041] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   84.712976][ T1041] RBP: ffffc90001e56fd8 R08: 0000000000000000 R09: 0000000000000000
[   84.713458][ T1041] R10: ffffc90001e57008 R11: ffffffffaf38d1e0 R12: 1ffff920003cade2
[   84.713942][ T1041] R13: 00000000000005dc R14: ffffc90001e57008 R15: ffff888009162f48
[   84.714418][ T1041] FS:  00007f93c20ea800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[   84.714982][ T1041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.715390][ T1041] CR2: 00000000004e6898 CR3: 000000000a090003 CR4: 0000000000772ef0
[   84.715879][ T1041] PKRU: 55555554
[   84.716115][ T1041] Call Trace:
[   84.716359][ T1041]  <TASK>
[ 84.716521][ T1041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 84.716989][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.717317][ T1041] netif_set_mtu (net/core/dev.c:9652) 
[ 84.717770][ T1041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 84.718102][ T1041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 84.718346][ T1041] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 84.718809][ T1041] br_add_if (net/bridge/br_if.c:697) 
[ 84.719070][ T1041] do_set_master (net/core/rtnetlink.c:2948) 
[ 84.719387][ T1041] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 84.719858][ T1041] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 84.720185][ T1041] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 84.720744][ T1041] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 84.721065][ T1041] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 84.721377][ T1041] ? __kernel_text_address (kernel/extable.c:79) 
[ 84.721736][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.722053][ T1041] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 84.722365][ T1041] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 84.722759][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.723073][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.723380][ T1041] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 84.723697][ T1041] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 84.724018][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.724330][ T1041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 84.724649][ T1041] ? __create_object (mm/kmemleak.c:771) 
[ 84.724960][ T1041] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 84.725268][ T1041] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 84.725579][ T1041] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 84.725955][ T1041] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 84.726266][ T1041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 84.726586][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.726880][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.727195][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.727516][ T1041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 84.727834][ T1041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.728150][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 84.728445][ T1041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 84.728763][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.729075][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.729374][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 84.729677][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 84.729981][ T1041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 84.730293][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 84.730594][ T1041] ? 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) 
[ 84.730899][ T1041] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 84.731199][ T1041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 84.731492][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.731801][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 84.732104][ T1041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 84.732400][ T1041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 84.732716][ T1041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 84.733027][ T1041] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 84.733324][ T1041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 84.733715][ T1041] ___sys_sendmsg (net/socket.c:2670) 
[ 84.734013][ T1041] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 84.734325][ T1041] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 84.734707][ T1041] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 84.735018][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.735326][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 84.735667][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 84.735967][ T1041] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 84.736267][ T1041] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 84.736618][ T1041] __sys_sendmsg (net/socket.c:2700) 
[ 84.736939][ T1041] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 84.737338][ T1041] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 84.737673][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.737993][ T1041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 84.738309][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   84.738700][ T1041] RIP: 0033:0x7f93c22b71e7
[ 84.739036][ T1041] 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)
[   84.740152][ T1041] RSP: 002b:00007ffd6ff2e218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   84.740634][ T1041] RAX: ffffffffffffffda RBX: 00007ffd6ff2e950 RCX: 00007f93c22b71e7
[   84.741111][ T1041] RDX: 0000000000000000 RSI: 00007ffd6ff2e280 RDI: 0000000000000005
[   84.741581][ T1041] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   84.742042][ T1041] R10: 000000001ff00910 R11: 0000000000000246 R12: 0000000000000003
[   84.742530][ T1041] R13: 00000000686e26f2 R14: 0000000000499600 R15: 0000000000000000
| [   86.506446][ T1067] ------------[ cut here ]------------
| [ 86.506769][ T1067] WARNING: CPU: 2 PID: 1067 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) 
| [   86.507380][ T1067] Modules linked in: vxlan
| [   86.508328][ T1067] Tainted: [W]=WARN
[   86.508577][ T1067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 86.508961][ T1067] 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) 
[ 86.509289][ T1067] 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
[   86.510358][ T1067] RSP: 0018:ffffc900022a6ef0 EFLAGS: 00010246
[   86.510762][ T1067] RAX: 0000000000000000 RBX: ffff888009162000 RCX: 0000000000000001
[   86.511221][ T1067] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   86.511681][ T1067] RBP: ffffc900022a6fd8 R08: 0000000000000000 R09: 0000000000000000
[   86.512140][ T1067] R10: ffffc900022a7008 R11: ffffffffafcceab8 R12: 1ffff92000454de2
[   86.512606][ T1067] R13: 0000000000000596 R14: ffffc900022a7008 R15: ffff888009162f48
[   86.513070][ T1067] FS:  00007f0df3331800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[   86.513606][ T1067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.513993][ T1067] CR2: 00000000004e6898 CR3: 0000000019c77001 CR4: 0000000000772ef0
[   86.514448][ T1067] PKRU: 55555554
[   86.514692][ T1067] Call Trace:
[   86.514931][ T1067]  <TASK>
[ 86.515108][ T1067] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 86.515431][ T1067] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 86.515751][ T1067] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 86.516134][ T1067] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 86.516448][ T1067] netif_set_mtu (net/core/dev.c:9652) 
[ 86.516763][ T1067] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 86.517082][ T1067] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 86.517468][ T1067] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 86.517725][ T1067] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 86.518036][ T1067] br_add_if (net/bridge/br_if.c:697) 
[ 86.518282][ T1067] do_set_master (net/core/rtnetlink.c:2948) 
[ 86.518599][ T1067] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 86.518916][ T1067] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 86.519231][ T1067] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 86.519623][ T1067] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 86.519941][ T1067] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 86.520244][ T1067] ? __kernel_text_address (kernel/extable.c:79) 
[ 86.520563][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 86.520877][ T1067] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 86.521188][ T1067] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 86.521581][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 86.521891][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 86.522203][ T1067] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 86.522509][ T1067] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 86.522842][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 86.523153][ T1067] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 86.523461][ T1067] ? __create_object (mm/kmemleak.c:771) 
[ 86.523783][ T1067] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 86.524091][ T1067] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 86.524405][ T1067] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 86.524801][ T1067] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 86.525124][ T1067] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 86.525441][ T1067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 86.525761][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 86.526075][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 86.526385][ T1067] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 86.526695][ T1067] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 86.527012][ T1067] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 86.527317][ T1067] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 86.527637][ T1067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 86.527947][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 86.528259][ T1067] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 86.528575][ T1067] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 86.528887][ T1067] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 86.529207][ T1067] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 86.529517][ T1067] ? 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) 
[ 86.529832][ T1067] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 86.530144][ T1067] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 86.530448][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 86.530767][ T1067] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 86.531076][ T1067] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 86.531384][ T1067] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 86.531717][ T1067] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 86.532032][ T1067] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 86.532333][ T1067] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 86.532734][ T1067] ___sys_sendmsg (net/socket.c:2670) 
[ 86.533038][ T1067] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 86.533347][ T1067] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 86.533745][ T1067] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 86.534059][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 86.534368][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 86.534687][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 86.534995][ T1067] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 86.535314][ T1067] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 86.535636][ T1067] __sys_sendmsg (net/socket.c:2700) 
[ 86.535941][ T1067] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 86.536330][ T1067] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 86.536657][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 86.536964][ T1067] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 86.537272][ T1067] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   86.537657][ T1067] RIP: 0033:0x7f0df34fe1e7
[ 86.537975][ T1067] 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)
[   86.539048][ T1067] RSP: 002b:00007ffe5a7e8598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   86.539505][ T1067] RAX: ffffffffffffffda RBX: 00007ffe5a7e8cd0 RCX: 00007f0df34fe1e7
[   86.539965][ T1067] RDX: 0000000000000000 RSI: 00007ffe5a7e8600 RDI: 0000000000000005
[   86.540423][ T1067] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   86.540883][ T1067] R10: 000000000f1c1910 R11: 0000000000000246 R12: 0000000000000003
[   86.541341][ T1067] R13: 00000000686e26f4 R14: 0000000000499600 R15: 0000000000000000
| [   89.949681][ T1117] ------------[ cut here ]------------
| [ 89.949997][ T1117] WARNING: CPU: 2 PID: 1117 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) 
| [   89.951513][ T1117] Modules linked in: vxlan
| [   89.952449][ T1117] Tainted: [W]=WARN
[   89.952698][ T1117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.953084][ T1117] 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) 
[ 89.953398][ T1117] 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
[   89.954483][ T1117] RSP: 0018:ffffc90002206ef0 EFLAGS: 00010246
[   89.954881][ T1117] RAX: 0000000000000000 RBX: ffff88800539a000 RCX: 0000000000000001
[   89.955346][ T1117] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   89.955810][ T1117] RBP: ffffc90002206fd8 R08: 0000000000000000 R09: 0000000000000000
[   89.956270][ T1117] R10: ffffc90002207008 R11: ffffffffaf38d1e0 R12: 1ffff92000440de2
[   89.956734][ T1117] R13: 00000000000005dc R14: ffffc90002207008 R15: ffff88800539af48
[   89.957185][ T1117] FS:  00007f124b75d800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[   89.957733][ T1117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.958124][ T1117] CR2: 00000000004e6890 CR3: 000000001947f001 CR4: 0000000000772ef0
[   89.958588][ T1117] PKRU: 55555554
[   89.958821][ T1117] Call Trace:
[   89.959051][ T1117]  <TASK>
[ 89.959215][ T1117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 89.959521][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.959849][ T1117] netif_set_mtu (net/core/dev.c:9652) 
[ 89.960159][ T1117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 89.960479][ T1117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 89.960726][ T1117] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 89.961036][ T1117] br_add_if (net/bridge/br_if.c:697) 
[ 89.961282][ T1117] do_set_master (net/core/rtnetlink.c:2948) 
[ 89.961603][ T1117] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 89.961915][ T1117] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.962225][ T1117] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 89.962628][ T1117] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.962933][ T1117] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 89.963240][ T1117] ? __kernel_text_address (kernel/extable.c:79) 
[ 89.963558][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.963871][ T1117] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 89.964177][ T1117] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 89.964571][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.964879][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.965193][ T1117] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 89.965499][ T1117] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 89.965826][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.966133][ T1117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 89.966437][ T1117] ? __create_object (mm/kmemleak.c:771) 
[ 89.966753][ T1117] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 89.967067][ T1117] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 89.967374][ T1117] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 89.967762][ T1117] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 89.968073][ T1117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 89.968385][ T1117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.968702][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.969019][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.969327][ T1117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 89.969657][ T1117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.969968][ T1117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.970274][ T1117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 89.970594][ T1117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.970905][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.971217][ T1117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 89.971522][ T1117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.971845][ T1117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 89.972166][ T1117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 89.972472][ T1117] ? 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) 
[ 89.972790][ T1117] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.973102][ T1117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 89.973405][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.973738][ T1117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.974053][ T1117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 89.974360][ T1117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 89.974681][ T1117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.974994][ T1117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 89.975305][ T1117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 89.975708][ T1117] ___sys_sendmsg (net/socket.c:2670) 
[ 89.976015][ T1117] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 89.976326][ T1117] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 89.976731][ T1117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 89.977044][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.977353][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.977686][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.977997][ T1117] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 89.978305][ T1117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.978641][ T1117] __sys_sendmsg (net/socket.c:2700) 
[ 89.978961][ T1117] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 89.979339][ T1117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 89.979669][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.979981][ T1117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.980297][ T1117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   89.980680][ T1117] RIP: 0033:0x7f124b92a1e7
[ 89.980998][ T1117] 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)
[   89.982078][ T1117] RSP: 002b:00007ffc9d780e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   89.982541][ T1117] RAX: ffffffffffffffda RBX: 00007ffc9d7815c0 RCX: 00007f124b92a1e7
[   89.983002][ T1117] RDX: 0000000000000000 RSI: 00007ffc9d780ef0 RDI: 0000000000000005
[   89.983456][ T1117] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   89.983921][ T1117] R10: 000000000aa94910 R11: 0000000000000246 R12: 0000000000000003
[   89.984373][ T1117] R13: 00000000686e26f7 R14: 0000000000499600 R15: 0000000000000000
| [   91.452853][ T1143] ------------[ cut here ]------------
| [ 91.453167][ T1143] WARNING: CPU: 2 PID: 1143 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) 
| [   91.453769][ T1143] Modules linked in: vxlan
| [   91.454707][ T1143] Tainted: [W]=WARN
[   91.454940][ T1143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 91.455328][ T1143] 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) 
[ 91.455653][ T1143] 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
[   91.456729][ T1143] RSP: 0018:ffffc90002496ef0 EFLAGS: 00010246
[   91.457116][ T1143] RAX: 0000000000000000 RBX: ffff88800539a000 RCX: 0000000000000001
[   91.457580][ T1143] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   91.458031][ T1143] RBP: ffffc90002496fd8 R08: 0000000000000000 R09: 0000000000000000
[   91.458488][ T1143] R10: ffffc90002497008 R11: ffffffffafcceab8 R12: 1ffff92000492de2
[   91.458956][ T1143] R13: 00000000000005aa R14: ffffc90002497008 R15: ffff88800539af48
[   91.459408][ T1143] FS:  00007f031bae8800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[   91.459943][ T1143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.460326][ T1143] CR2: 00000000004e6890 CR3: 0000000019fbb005 CR4: 0000000000772ef0
[   91.460797][ T1143] PKRU: 55555554
[   91.461037][ T1143] Call Trace:
[   91.461269][ T1143]  <TASK>
[ 91.461434][ T1143] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 91.461757][ T1143] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 91.462066][ T1143] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 91.462445][ T1143] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 91.462769][ T1143] netif_set_mtu (net/core/dev.c:9652) 
[ 91.463078][ T1143] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 91.463394][ T1143] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 91.463800][ T1143] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 91.464037][ T1143] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 91.464349][ T1143] br_add_if (net/bridge/br_if.c:697) 
[ 91.464603][ T1143] do_set_master (net/core/rtnetlink.c:2948) 
[ 91.464909][ T1143] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 91.465238][ T1143] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 91.465560][ T1143] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 91.465950][ T1143] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 91.466258][ T1143] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 91.466573][ T1143] ? __kernel_text_address (kernel/extable.c:79) 
[ 91.466885][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.467197][ T1143] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 91.467507][ T1143] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 91.467896][ T1143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 91.468208][ T1143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 91.468511][ T1143] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 91.468829][ T1143] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 91.469138][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.469442][ T1143] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 91.469759][ T1143] ? __create_object (mm/kmemleak.c:771) 
[ 91.470067][ T1143] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 91.470377][ T1143] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 91.470693][ T1143] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 91.471071][ T1143] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 91.471382][ T1143] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 91.471704][ T1143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 91.472012][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.472326][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.472644][ T1143] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 91.472950][ T1143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 91.473258][ T1143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 91.473573][ T1143] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 91.473886][ T1143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 91.474199][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.474518][ T1143] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 91.474836][ T1143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 91.475150][ T1143] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 91.475469][ T1143] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 91.475783][ T1143] ? 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) 
[ 91.476093][ T1143] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 91.476400][ T1143] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 91.476721][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.477032][ T1143] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 91.477343][ T1143] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 91.477660][ T1143] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 91.477975][ T1143] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 91.478283][ T1143] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 91.478596][ T1143] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 91.478990][ T1143] ___sys_sendmsg (net/socket.c:2670) 
[ 91.479296][ T1143] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 91.479612][ T1143] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 91.479990][ T1143] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 91.480300][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.480619][ T1143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 91.480935][ T1143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 91.481245][ T1143] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 91.481561][ T1143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 91.481876][ T1143] __sys_sendmsg (net/socket.c:2700) 
[ 91.482180][ T1143] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 91.482564][ T1143] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 91.482886][ T1143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 91.483191][ T1143] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 91.483499][ T1143] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   91.483890][ T1143] RIP: 0033:0x7f031bcb51e7
[ 91.484206][ T1143] 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)
[   91.485285][ T1143] RSP: 002b:00007fffb4dee408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   91.485754][ T1143] RAX: ffffffffffffffda RBX: 00007fffb4deeb40 RCX: 00007f031bcb51e7
[   91.486205][ T1143] RDX: 0000000000000000 RSI: 00007fffb4dee470 RDI: 0000000000000005
[   91.486664][ T1143] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   91.487116][ T1143] R10: 000000000f787910 R11: 0000000000000246 R12: 0000000000000003
[   91.487580][ T1143] R13: 00000000686e26f9 R14: 0000000000499600 R15: 0000000000000000
| [   94.868097][ T1194] ------------[ cut here ]------------
| [ 94.868407][ T1194] WARNING: CPU: 2 PID: 1194 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) 
| [   94.869800][ T1194] Modules linked in: vxlan
| [   94.870737][ T1194] Tainted: [W]=WARN
[   94.870977][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 94.871356][ T1194] 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) 
[ 94.871683][ T1194] 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
[   94.872760][ T1194] RSP: 0018:ffffc90002606ef0 EFLAGS: 00010246
[   94.873145][ T1194] RAX: 0000000000000000 RBX: ffff8880181ea000 RCX: 0000000000000001
[   94.873605][ T1194] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   94.874066][ T1194] RBP: ffffc90002606fd8 R08: 0000000000000000 R09: 0000000000000000
[   94.874529][ T1194] R10: ffffc90002607008 R11: ffffffffaf38d1e0 R12: 1ffff920004c0de2
[   94.874991][ T1194] R13: 00000000000005dc R14: ffffc90002607008 R15: ffff8880181eaf48
[   94.875453][ T1194] FS:  00007fb5b0564800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[   94.875987][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.876370][ T1194] CR2: 00000000004e6898 CR3: 000000000cdda003 CR4: 0000000000772ef0
[   94.876837][ T1194] PKRU: 55555554
[   94.877073][ T1194] Call Trace:
[   94.877305][ T1194]  <TASK>
[ 94.877471][ T1194] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 94.877787][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.878106][ T1194] netif_set_mtu (net/core/dev.c:9652) 
[ 94.878410][ T1194] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 94.878739][ T1194] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 94.878979][ T1194] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 94.879291][ T1194] br_add_if (net/bridge/br_if.c:697) 
[ 94.879537][ T1194] do_set_master (net/core/rtnetlink.c:2948) 
[ 94.879848][ T1194] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 94.880159][ T1194] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 94.880468][ T1194] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 94.880864][ T1194] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 94.881175][ T1194] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 94.881481][ T1194] ? __kernel_text_address (kernel/extable.c:79) 
[ 94.881796][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.882107][ T1194] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 94.882415][ T1194] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 94.882801][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.883107][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.883419][ T1194] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 94.883732][ T1194] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 94.884046][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.884352][ T1194] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 94.884670][ T1194] ? __create_object (mm/kmemleak.c:771) 
[ 94.884978][ T1194] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 94.885296][ T1194] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 94.885614][ T1194] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 94.885997][ T1194] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 94.886308][ T1194] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 94.886644][ T1194] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.886949][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.887261][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.887574][ T1194] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 94.887881][ T1194] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.888198][ T1194] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.888504][ T1194] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 94.888826][ T1194] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.889139][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.889451][ T1194] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 94.889764][ T1194] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.890073][ T1194] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 94.890388][ T1194] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 94.890717][ T1194] ? 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) 
[ 94.891032][ T1194] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 94.891341][ T1194] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 94.891656][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.891977][ T1194] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 94.892287][ T1194] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 94.892603][ T1194] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 94.892920][ T1194] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 94.893228][ T1194] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 94.893531][ T1194] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 94.893930][ T1194] ___sys_sendmsg (net/socket.c:2670) 
[ 94.894234][ T1194] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 94.894541][ T1194] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 94.894968][ T1194] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 94.895302][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.895626][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.895953][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.896266][ T1194] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 94.896582][ T1194] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.896907][ T1194] __sys_sendmsg (net/socket.c:2700) 
[ 94.897229][ T1194] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 94.897621][ T1194] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 94.897943][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.898256][ T1194] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 94.898584][ T1194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   94.898967][ T1194] RIP: 0033:0x7fb5b07311e7
[ 94.899292][ T1194] 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)
[   94.900410][ T1194] RSP: 002b:00007ffe5e49e5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.900901][ T1194] RAX: ffffffffffffffda RBX: 00007ffe5e49ece0 RCX: 00007fb5b07311e7
[   94.901379][ T1194] RDX: 0000000000000000 RSI: 00007ffe5e49e610 RDI: 0000000000000005
[   94.901866][ T1194] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   94.902325][ T1194] R10: 0000000014e77910 R11: 0000000000000246 R12: 0000000000000003
[   94.902784][ T1194] R13: 00000000686e26fc R14: 0000000000499600 R15: 0000000000000000
| [   96.346036][ T1220] ------------[ cut here ]------------
| [ 96.346348][ T1220] WARNING: CPU: 2 PID: 1220 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) 
| [   96.346969][ T1220] Modules linked in: vxlan
| [   96.347927][ T1220] Tainted: [W]=WARN
[   96.348181][ T1220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.348569][ T1220] 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) 
[ 96.348894][ T1220] 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
[   96.349985][ T1220] RSP: 0018:ffffc90002316ef0 EFLAGS: 00010246
[   96.350377][ T1220] RAX: 0000000000000000 RBX: ffff8880181ea000 RCX: 0000000000000001
[   96.350850][ T1220] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[   96.351310][ T1220] RBP: ffffc90002316fd8 R08: 0000000000000000 R09: 0000000000000000
[   96.351778][ T1220] R10: ffffc90002317008 R11: ffffffffafcceab8 R12: 1ffff92000462de2
[   96.352252][ T1220] R13: 0000000000000596 R14: ffffc90002317008 R15: ffff8880181eaf48
[   96.352718][ T1220] FS:  00007f1d0926a800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[   96.353247][ T1220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.353640][ T1220] CR2: 00000000004e6898 CR3: 00000000027f3003 CR4: 0000000000772ef0
[   96.354109][ T1220] PKRU: 55555554
[   96.354343][ T1220] Call Trace:
[   96.354589][ T1220]  <TASK>
[ 96.354766][ T1220] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.355096][ T1220] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 96.355405][ T1220] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 96.355806][ T1220] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 96.356121][ T1220] netif_set_mtu (net/core/dev.c:9652) 
[ 96.356426][ T1220] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.356758][ T1220] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 96.357143][ T1220] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.357382][ T1220] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 96.357699][ T1220] br_add_if (net/bridge/br_if.c:697) 
[ 96.357947][ T1220] do_set_master (net/core/rtnetlink.c:2948) 
[ 96.358252][ T1220] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 96.358578][ T1220] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.358896][ T1220] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.359284][ T1220] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.359610][ T1220] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.359916][ T1220] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.360239][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.360563][ T1220] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 96.360872][ T1220] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.361267][ T1220] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.361586][ T1220] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.361890][ T1220] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.362198][ T1220] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.362504][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.362820][ T1220] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.363126][ T1220] ? __create_object (mm/kmemleak.c:771) 
[ 96.363443][ T1220] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.363758][ T1220] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.364070][ T1220] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.364443][ T1220] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.364766][ T1220] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.365092][ T1220] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.365402][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.365726][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.366041][ T1220] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.366346][ T1220] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.366665][ T1220] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.366971][ T1220] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.367283][ T1220] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.367603][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.367917][ T1220] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.368239][ T1220] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.368566][ T1220] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.368885][ T1220] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.369191][ T1220] ? 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) 
[ 96.369499][ T1220] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.369818][ T1220] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.370125][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.370439][ T1220] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.370757][ T1220] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.371066][ T1220] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.371381][ T1220] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.371697][ T1220] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.372006][ T1220] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.372405][ T1220] ___sys_sendmsg (net/socket.c:2670) 
[ 96.372725][ T1220] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.373052][ T1220] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 96.373434][ T1220] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.373753][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.374069][ T1220] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.374379][ T1220] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.374695][ T1220] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.375002][ T1220] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.375332][ T1220] __sys_sendmsg (net/socket.c:2700) 
[ 96.375644][ T1220] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.376024][ T1220] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.376342][ T1220] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.376660][ T1220] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.376969][ T1220] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.377356][ T1220] RIP: 0033:0x7f1d094371e7
[ 96.377685][ T1220] 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)
[   96.378759][ T1220] RSP: 002b:00007ffdc6748a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.379217][ T1220] RAX: ffffffffffffffda RBX: 00007ffdc67491a0 RCX: 00007f1d094371e7
[   96.379682][ T1220] RDX: 0000000000000000 RSI: 00007ffdc6748ad0 RDI: 0000000000000005
[   96.380144][ T1220] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   96.380611][ T1220] R10: 000000002ad17910 R11: 0000000000000246 R12: 0000000000000003
[   96.381078][ T1220] R13: 00000000686e26fd R14: 0000000000499600 R15: 0000000000000000
| [  100.584612][   T12] ------------[ cut here ]------------
| [ 100.584932][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  100.585477][   T12] Modules linked in: vxlan
| [  100.586726][   T12] Tainted: [W]=WARN
[  100.586960][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.587344][   T12] Workqueue: netns cleanup_net
[ 100.587681][ T12] 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) 
[ 100.587999][ T12] 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
[  100.589120][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  100.589511][   T12] RAX: 0000000000000000 RBX: ffff8880181ea000 RCX: 0000000000000001
[  100.589984][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  100.590447][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  100.590915][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  100.591378][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff8880181eaf48
[  100.591850][   T12] FS:  0000000000000000(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  100.592400][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.592797][   T12] CR2: 00000000004a0064 CR3: 0000000014d4a003 CR4: 0000000000772ef0
[  100.593259][   T12] PKRU: 55555554
[  100.593491][   T12] Call Trace:
[  100.593730][   T12]  <TASK>
[ 100.593887][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 100.594195][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 100.594783][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 100.595020][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 100.595339][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 100.595931][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 100.596244][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 100.596764][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 100.597146][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 100.597451][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 100.597896][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 100.598203][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 100.598505][ T12] ? kthread (kernel/kthread.c:464) 
[ 100.598952][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 100.599260][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 100.599735][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 100.600047][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 100.600371][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 100.600920][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 100.601234][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 100.601467][ T12] br_device_event (net/bridge/br.c:141) 
[ 100.602045][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 100.602361][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 100.602948][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 100.603337][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 100.603940][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 100.604328][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 100.604659][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 100.605062][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 100.605470][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 100.605792][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 100.606180][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 100.606490][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 100.606884][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 100.607265][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 100.607659][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 100.608049][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 100.608359][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 100.608758][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 100.609069][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 100.609375][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 100.609705][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 100.610014][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 100.610323][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.610644][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 100.610963][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 100.611277][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 100.611600][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 100.611920][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 100.612230][ T12] kthread (kernel/kthread.c:464) 
[ 100.612462][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 100.612774][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 100.613080][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 100.613388][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.613700][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 100.614230][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 100.614536][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 100.614859][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  100.648126][   T12] ------------[ cut here ]------------
| [ 100.648436][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  100.649176][   T12] Modules linked in: vxlan
| [  100.650351][   T12] Tainted: [W]=WARN
[  100.650779][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.651162][   T12] Workqueue: netns cleanup_net
[ 100.651478][ T12] 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) 
[ 100.652047][ T12] 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
[  100.653315][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  100.653869][   T12] RAX: 0000000000000000 RBX: ffff88800539a000 RCX: 0000000000000001
[  100.654325][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  100.654919][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  100.655391][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  100.655990][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800539af48
[  100.656444][   T12] FS:  0000000000000000(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[  100.657295][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.658181][   T12] CR2: 00007f21e0fb2518 CR3: 0000000019d8a003 CR4: 0000000000772ef0
[  100.659231][   T12] PKRU: 55555554
[  100.659895][   T12] Call Trace:
[  100.660302][   T12]  <TASK>
[ 100.660842][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 100.661387][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 100.662202][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 100.662631][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 100.663180][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 100.663750][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 100.664291][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 100.664910][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 100.665338][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 100.665656][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 100.665961][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 100.666281][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 100.666601][ T12] ? kthread (kernel/kthread.c:464) 
[ 100.666834][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 100.667268][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 100.667637][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 100.667964][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 100.668296][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 100.668529][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 100.668853][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 100.669105][ T12] br_device_event (net/bridge/br.c:141) 
[ 100.669412][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 100.669736][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 100.670062][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 100.670448][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 100.670856][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 100.671255][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 100.671595][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 100.672016][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 100.672425][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 100.672749][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 100.673146][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 100.673456][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 100.673850][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 100.674251][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 100.674639][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 100.675045][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 100.675362][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 100.675761][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 100.676095][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 100.676395][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 100.676718][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 100.677037][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 100.677346][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.677662][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 100.677987][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 100.678300][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 100.678621][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 100.678938][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 100.679261][ T12] kthread (kernel/kthread.c:464) 
[ 100.679491][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 100.679805][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 100.680121][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 100.680428][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 100.680744][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 100.681064][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 100.681365][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 100.681677][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  120.896293][ T1460] ------------[ cut here ]------------
| [ 120.896610][ T1460] WARNING: CPU: 0 PID: 1460 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) 
| [  120.897189][ T1460] Modules linked in: vxlan
| [  120.898093][ T1460] Tainted: [W]=WARN
[  120.898315][ T1460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.898694][ T1460] 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) 
[ 120.899008][ T1460] 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
[  120.900065][ T1460] RSP: 0018:ffffc90003036ef0 EFLAGS: 00010246
[  120.900437][ T1460] RAX: 0000000000000000 RBX: ffff88800e29a000 RCX: 0000000000000001
[  120.900900][ T1460] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  120.901343][ T1460] RBP: ffffc90003036fd8 R08: 0000000000000000 R09: 0000000000000000
[  120.901790][ T1460] R10: ffffc90003037008 R11: ffffffffaf38d1e0 R12: 1ffff92000606de2
[  120.902233][ T1460] R13: 00000000000005dc R14: ffffc90003037008 R15: ffff88800e29af48
[  120.902683][ T1460] FS:  00007fdb66f15800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  120.903210][ T1460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.903594][ T1460] CR2: 00000000004e6890 CR3: 0000000019d0c001 CR4: 0000000000772ef0
[  120.904036][ T1460] PKRU: 55555554
[  120.904254][ T1460] Call Trace:
[  120.904474][ T1460]  <TASK>
[ 120.904644][ T1460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.904945][ T1460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.905264][ T1460] netif_set_mtu (net/core/dev.c:9652) 
[ 120.905567][ T1460] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.905884][ T1460] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.906108][ T1460] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 120.906406][ T1460] br_add_if (net/bridge/br_if.c:697) 
[ 120.906664][ T1460] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.906955][ T1460] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 120.907254][ T1460] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 120.907562][ T1460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 120.907939][ T1460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 120.908232][ T1460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 120.908522][ T1460] ? __kernel_text_address (kernel/extable.c:79) 
[ 120.908834][ T1460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.909140][ T1460] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 120.909437][ T1460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 120.909809][ T1460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.910113][ T1460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.910405][ T1460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 120.910705][ T1460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 120.911003][ T1460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.911300][ T1460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.911598][ T1460] ? __create_object (mm/kmemleak.c:771) 
[ 120.911893][ T1460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 120.912189][ T1460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 120.912489][ T1460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 120.912869][ T1460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 120.913173][ T1460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.913471][ T1460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.913773][ T1460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.914078][ T1460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.914377][ T1460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.914680][ T1460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.914976][ T1460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.915279][ T1460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.915581][ T1460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.915879][ T1460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.916179][ T1460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.916470][ T1460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.916784][ T1460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.917097][ T1460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.917390][ T1460] ? 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) 
[ 120.917693][ T1460] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.917990][ T1460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.918287][ T1460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.918590][ T1460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.918888][ T1460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.919186][ T1460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.919484][ T1460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.919787][ T1460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.920079][ T1460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.920453][ T1460] ___sys_sendmsg (net/socket.c:2670) 
[ 120.920759][ T1460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 120.921062][ T1460] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 120.921434][ T1460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.921739][ T1460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.922038][ T1460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.922336][ T1460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 120.922636][ T1460] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 120.922931][ T1460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.923232][ T1460] __sys_sendmsg (net/socket.c:2700) 
[ 120.923528][ T1460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 120.923899][ T1460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.924208][ T1460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.924513][ T1460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.924823][ T1460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.925197][ T1460] RIP: 0033:0x7fdb670e21e7
[ 120.925499][ T1460] 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)
[  120.926559][ T1460] RSP: 002b:00007fff8b4ffe48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.927005][ T1460] RAX: ffffffffffffffda RBX: 00007fff8b500580 RCX: 00007fdb670e21e7
[  120.927446][ T1460] RDX: 0000000000000000 RSI: 00007fff8b4ffeb0 RDI: 0000000000000005
[  120.927899][ T1460] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  120.928342][ T1460] R10: 000000001071f910 R11: 0000000000000246 R12: 0000000000000003
[  120.928796][ T1460] R13: 00000000686e2716 R14: 0000000000499600 R15: 0000000000000000
| [  122.374975][ T1486] ------------[ cut here ]------------
| [ 122.375282][ T1486] WARNING: CPU: 0 PID: 1486 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) 
| [  122.375881][ T1486] Modules linked in: vxlan
| [  122.376787][ T1486] Tainted: [W]=WARN
[  122.377013][ T1486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 122.377383][ T1486] 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) 
[ 122.377694][ T1486] 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
[  122.378750][ T1486] RSP: 0018:ffffc90003186ef0 EFLAGS: 00010246
[  122.379122][ T1486] RAX: 0000000000000000 RBX: ffff88800e29a000 RCX: 0000000000000001
[  122.379573][ T1486] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  122.380021][ T1486] RBP: ffffc90003186fd8 R08: 0000000000000000 R09: 0000000000000000
[  122.380459][ T1486] R10: ffffc90003187008 R11: ffffffffafcceab8 R12: 1ffff92000630de2
[  122.380911][ T1486] R13: 00000000000005aa R14: ffffc90003187008 R15: ffff88800e29af48
[  122.381363][ T1486] FS:  00007f0adad3b800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  122.381884][ T1486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  122.382255][ T1486] CR2: 00000000004e6890 CR3: 000000000b137003 CR4: 0000000000772ef0
[  122.382706][ T1486] PKRU: 55555554
[  122.382926][ T1486] Call Trace:
[  122.383146][ T1486]  <TASK>
[ 122.383301][ T1486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 122.383606][ T1486] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 122.383901][ T1486] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 122.384268][ T1486] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 122.384574][ T1486] netif_set_mtu (net/core/dev.c:9652) 
[ 122.384869][ T1486] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 122.385190][ T1486] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 122.385571][ T1486] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 122.385796][ T1486] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 122.386094][ T1486] br_add_if (net/bridge/br_if.c:697) 
[ 122.386328][ T1486] do_set_master (net/core/rtnetlink.c:2948) 
[ 122.386677][ T1486] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 122.386977][ T1486] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 122.387276][ T1486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 122.387677][ T1486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 122.387972][ T1486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 122.388266][ T1486] ? __kernel_text_address (kernel/extable.c:79) 
[ 122.388571][ T1486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.388869][ T1486] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 122.389170][ T1486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 122.389534][ T1486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.389845][ T1486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.390145][ T1486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 122.390437][ T1486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 122.390737][ T1486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.391033][ T1486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 122.391323][ T1486] ? __create_object (mm/kmemleak.c:771) 
[ 122.391629][ T1486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 122.391924][ T1486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 122.392229][ T1486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 122.392598][ T1486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 122.392899][ T1486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 122.393204][ T1486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.393497][ T1486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.393804][ T1486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.394100][ T1486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 122.394391][ T1486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.394722][ T1486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.395021][ T1486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 122.395325][ T1486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.395630][ T1486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.395929][ T1486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 122.396230][ T1486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.396524][ T1486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 122.396846][ T1486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 122.397140][ T1486] ? 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) 
[ 122.397434][ T1486] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 122.397737][ T1486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 122.398030][ T1486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.398329][ T1486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 122.398635][ T1486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 122.398932][ T1486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 122.399231][ T1486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 122.399526][ T1486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 122.399826][ T1486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 122.400207][ T1486] ___sys_sendmsg (net/socket.c:2670) 
[ 122.400497][ T1486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 122.400796][ T1486] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 122.401169][ T1486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 122.401466][ T1486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.401770][ T1486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.402069][ T1486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.402365][ T1486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 122.402666][ T1486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.402967][ T1486] __sys_sendmsg (net/socket.c:2700) 
[ 122.403260][ T1486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 122.403651][ T1486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 122.403958][ T1486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.404259][ T1486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 122.404565][ T1486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  122.404929][ T1486] RIP: 0033:0x7f0adaf081e7
[ 122.405240][ T1486] 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)
[  122.406303][ T1486] RSP: 002b:00007ffd6fd57258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  122.406754][ T1486] RAX: ffffffffffffffda RBX: 00007ffd6fd57990 RCX: 00007f0adaf081e7
[  122.407193][ T1486] RDX: 0000000000000000 RSI: 00007ffd6fd572c0 RDI: 0000000000000005
[  122.407647][ T1486] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  122.408093][ T1486] R10: 000000001d567910 R11: 0000000000000246 R12: 0000000000000003
[  122.408533][ T1486] R13: 00000000686e2717 R14: 0000000000499600 R15: 0000000000000000
| [  125.787509][ T1536] ------------[ cut here ]------------
| [ 125.787838][ T1536] WARNING: CPU: 3 PID: 1536 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) 
| [  125.788447][ T1536] Modules linked in: vxlan
| [  125.789399][ T1536] Tainted: [W]=WARN
[  125.789643][ T1536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 125.790035][ T1536] 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) 
[ 125.790348][ T1536] 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
[  125.791473][ T1536] RSP: 0018:ffffc90003066ef0 EFLAGS: 00010246
[  125.791867][ T1536] RAX: 0000000000000000 RBX: ffff88800b012000 RCX: 0000000000000001
[  125.792331][ T1536] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  125.792801][ T1536] RBP: ffffc90003066fd8 R08: 0000000000000000 R09: 0000000000000000
[  125.793270][ T1536] R10: ffffc90003067008 R11: ffffffffaf38d1e0 R12: 1ffff9200060cde2
[  125.793742][ T1536] R13: 00000000000005dc R14: ffffc90003067008 R15: ffff88800b012f48
[  125.794212][ T1536] FS:  00007f73db824800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  125.794774][ T1536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  125.795175][ T1536] CR2: 00000000004e6898 CR3: 000000000d2d0006 CR4: 0000000000772ef0
[  125.795647][ T1536] PKRU: 55555554
[  125.795882][ T1536] Call Trace:
[  125.796119][ T1536]  <TASK>
[ 125.796284][ T1536] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 125.796627][ T1536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.796952][ T1536] netif_set_mtu (net/core/dev.c:9652) 
[ 125.797271][ T1536] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 125.797607][ T1536] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 125.797844][ T1536] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 125.798159][ T1536] br_add_if (net/bridge/br_if.c:697) 
[ 125.798406][ T1536] do_set_master (net/core/rtnetlink.c:2948) 
[ 125.798725][ T1536] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 125.799042][ T1536] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 125.799359][ T1536] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 125.799760][ T1536] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 125.800071][ T1536] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 125.800377][ T1536] ? __kernel_text_address (kernel/extable.c:79) 
[ 125.800696][ T1536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.801011][ T1536] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 125.801322][ T1536] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 125.801702][ T1536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.802003][ T1536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.802296][ T1536] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 125.802596][ T1536] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 125.802892][ T1536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.803187][ T1536] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 125.803477][ T1536] ? __create_object (mm/kmemleak.c:771) 
[ 125.803782][ T1536] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 125.804084][ T1536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 125.804376][ T1536] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 125.804750][ T1536] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 125.805052][ T1536] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 125.805362][ T1536] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.805663][ T1536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.805965][ T1536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.806263][ T1536] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 125.806567][ T1536] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.806863][ T1536] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.807172][ T1536] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 125.807485][ T1536] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.807809][ T1536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.808125][ T1536] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 125.808420][ T1536] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.808726][ T1536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 125.809036][ T1536] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 125.809328][ T1536] ? 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) 
[ 125.809631][ T1536] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 125.809927][ T1536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 125.810223][ T1536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.810521][ T1536] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 125.810844][ T1536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 125.811145][ T1536] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 125.811451][ T1536] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 125.811759][ T1536] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 125.812054][ T1536] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 125.812433][ T1536] ___sys_sendmsg (net/socket.c:2670) 
[ 125.812733][ T1536] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 125.813032][ T1536] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 125.813398][ T1536] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 125.813707][ T1536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.814016][ T1536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.814316][ T1536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.814617][ T1536] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 125.814911][ T1536] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.815244][ T1536] __sys_sendmsg (net/socket.c:2700) 
[ 125.815562][ T1536] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 125.815948][ T1536] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 125.816272][ T1536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.816580][ T1536] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 125.816879][ T1536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  125.817245][ T1536] RIP: 0033:0x7f73db9f11e7
[ 125.817560][ T1536] 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)
[  125.818628][ T1536] RSP: 002b:00007ffc7b912378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  125.819075][ T1536] RAX: ffffffffffffffda RBX: 00007ffc7b912ab0 RCX: 00007f73db9f11e7
[  125.819522][ T1536] RDX: 0000000000000000 RSI: 00007ffc7b9123e0 RDI: 0000000000000005
[  125.819972][ T1536] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  125.820428][ T1536] R10: 0000000004d2f910 R11: 0000000000000246 R12: 0000000000000003
[  125.820874][ T1536] R13: 00000000686e271b R14: 0000000000499600 R15: 0000000000000000
| [  127.300712][ T1562] ------------[ cut here ]------------
| [ 127.301002][ T1562] WARNING: CPU: 0 PID: 1562 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) 
| [  127.301593][ T1562] Modules linked in: vxlan
| [  127.302484][ T1562] Tainted: [W]=WARN
[  127.302714][ T1562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.303084][ T1562] 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) 
[ 127.303386][ T1562] 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
[  127.304437][ T1562] RSP: 0018:ffffc90003396ef0 EFLAGS: 00010246
[  127.304816][ T1562] RAX: 0000000000000000 RBX: ffff88800b012000 RCX: 0000000000000001
[  127.305270][ T1562] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  127.305720][ T1562] RBP: ffffc90003396fd8 R08: 0000000000000000 R09: 0000000000000000
[  127.306161][ T1562] R10: ffffc90003397008 R11: ffffffffafcceab8 R12: 1ffff92000672de2
[  127.306610][ T1562] R13: 0000000000000596 R14: ffffc90003397008 R15: ffff88800b012f48
[  127.307054][ T1562] FS:  00007fa74099a800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  127.307576][ T1562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.307947][ T1562] CR2: 00000000004e6898 CR3: 0000000019d16003 CR4: 0000000000772ef0
[  127.308388][ T1562] PKRU: 55555554
[  127.308616][ T1562] Call Trace:
[  127.308835][ T1562]  <TASK>
[ 127.308991][ T1562] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.309289][ T1562] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 127.309592][ T1562] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 127.309958][ T1562] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 127.310255][ T1562] netif_set_mtu (net/core/dev.c:9652) 
[ 127.310559][ T1562] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.310863][ T1562] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 127.311233][ T1562] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.311457][ T1562] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.311762][ T1562] br_add_if (net/bridge/br_if.c:697) 
[ 127.311996][ T1562] do_set_master (net/core/rtnetlink.c:2948) 
[ 127.312288][ T1562] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 127.312595][ T1562] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 127.312896][ T1562] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 127.313272][ T1562] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 127.313575][ T1562] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 127.313867][ T1562] ? __kernel_text_address (kernel/extable.c:79) 
[ 127.314162][ T1562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.314457][ T1562] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 127.314761][ T1562] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 127.315131][ T1562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.315433][ T1562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.315734][ T1562] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 127.316027][ T1562] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 127.316320][ T1562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.316623][ T1562] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.316914][ T1562] ? __create_object (mm/kmemleak.c:771) 
[ 127.317209][ T1562] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 127.317503][ T1562] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 127.317814][ T1562] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 127.318179][ T1562] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 127.318481][ T1562] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.318806][ T1562] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.319100][ T1562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.319401][ T1562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.319706][ T1562] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.319998][ T1562] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.320296][ T1562] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.320598][ T1562] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.320896][ T1562] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.321194][ T1562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.321492][ T1562] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.321790][ T1562] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.322087][ T1562] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.322396][ T1562] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.322695][ T1562] ? 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) 
[ 127.322993][ T1562] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.323290][ T1562] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.323589][ T1562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.323889][ T1562] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.324189][ T1562] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.324487][ T1562] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.324797][ T1562] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.325100][ T1562] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.325392][ T1562] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.325777][ T1562] ___sys_sendmsg (net/socket.c:2670) 
[ 127.326070][ T1562] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 127.326362][ T1562] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 127.326744][ T1562] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.327043][ T1562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.327341][ T1562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.327651][ T1562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.327946][ T1562] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 127.328240][ T1562] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.328542][ T1562] __sys_sendmsg (net/socket.c:2700) 
[ 127.328843][ T1562] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 127.329213][ T1562] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.329521][ T1562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.329826][ T1562] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.330123][ T1562] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.330490][ T1562] RIP: 0033:0x7fa740b671e7
[ 127.330801][ T1562] 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)
[  127.331860][ T1562] RSP: 002b:00007ffe5900a5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.332304][ T1562] RAX: ffffffffffffffda RBX: 00007ffe5900ad00 RCX: 00007fa740b671e7
[  127.332750][ T1562] RDX: 0000000000000000 RSI: 00007ffe5900a630 RDI: 0000000000000005
[  127.333191][ T1562] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  127.333637][ T1562] R10: 000000001d177910 R11: 0000000000000246 R12: 0000000000000003
[  127.334079][ T1562] R13: 00000000686e271c R14: 0000000000499600 R15: 0000000000000000
| [  130.771010][ T1613] ------------[ cut here ]------------
| [ 130.771371][ T1613] WARNING: CPU: 2 PID: 1613 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) 
| [  130.772026][ T1613] Modules linked in: vxlan
| [  130.773017][ T1613] Tainted: [W]=WARN
[  130.773272][ T1613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 130.773688][ T1613] 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) 
[ 130.774024][ T1613] 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
[  130.775164][ T1613] RSP: 0018:ffffc900034b6ef0 EFLAGS: 00010246
[  130.775580][ T1613] RAX: 0000000000000000 RBX: ffff88801a2e2000 RCX: 0000000000000001
[  130.776055][ T1613] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  130.776528][ T1613] RBP: ffffc900034b6fd8 R08: 0000000000000000 R09: 0000000000000000
[  130.777026][ T1613] R10: ffffc900034b7008 R11: ffffffffaf38d1e0 R12: 1ffff92000696de2
[  130.777513][ T1613] R13: 00000000000005dc R14: ffffc900034b7008 R15: ffff88801a2e2f48
[  130.777998][ T1613] FS:  00007f2aa4ffb800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  130.778559][ T1613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  130.778963][ T1613] CR2: 00000000004e6890 CR3: 0000000019349005 CR4: 0000000000772ef0
[  130.779447][ T1613] PKRU: 55555554
[  130.779700][ T1613] Call Trace:
[  130.779942][ T1613]  <TASK>
[ 130.780116][ T1613] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 130.780438][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.780795][ T1613] netif_set_mtu (net/core/dev.c:9652) 
[ 130.781119][ T1613] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 130.781455][ T1613] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 130.781721][ T1613] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 130.782049][ T1613] br_add_if (net/bridge/br_if.c:697) 
[ 130.782307][ T1613] do_set_master (net/core/rtnetlink.c:2948) 
[ 130.782632][ T1613] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 130.782959][ T1613] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 130.783286][ T1613] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 130.783713][ T1613] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 130.784041][ T1613] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 130.784369][ T1613] ? __kernel_text_address (kernel/extable.c:79) 
[ 130.784713][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.785043][ T1613] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 130.785379][ T1613] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 130.785788][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 130.786115][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 130.786446][ T1613] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 130.786778][ T1613] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 130.787105][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.787432][ T1613] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 130.787767][ T1613] ? __create_object (mm/kmemleak.c:771) 
[ 130.788092][ T1613] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 130.788417][ T1613] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 130.788759][ T1613] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 130.789175][ T1613] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 130.789504][ T1613] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 130.789845][ T1613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 130.790173][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.790505][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.790838][ T1613] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 130.791161][ T1613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 130.791492][ T1613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 130.791827][ T1613] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 130.792155][ T1613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 130.792483][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.792830][ T1613] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 130.793170][ T1613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 130.793494][ T1613] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 130.793839][ T1613] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 130.794168][ T1613] ? 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) 
[ 130.794494][ T1613] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 130.794846][ T1613] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 130.795180][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.795512][ T1613] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 130.795856][ T1613] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 130.796184][ T1613] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 130.796521][ T1613] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 130.796867][ T1613] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 130.797193][ T1613] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 130.797613][ T1613] ___sys_sendmsg (net/socket.c:2670) 
[ 130.797937][ T1613] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 130.798260][ T1613] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 130.798668][ T1613] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 130.799002][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.799331][ T1613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 130.799673][ T1613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 130.799999][ T1613] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 130.800326][ T1613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 130.800676][ T1613] __sys_sendmsg (net/socket.c:2700) 
[ 130.801000][ T1613] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 130.801407][ T1613] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 130.801750][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 130.802078][ T1613] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 130.802401][ T1613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  130.802817][ T1613] RIP: 0033:0x7f2aa51c81e7
[ 130.803154][ T1613] 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)
[  130.804295][ T1613] RSP: 002b:00007ffc92a2b258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  130.804796][ T1613] RAX: ffffffffffffffda RBX: 00007ffc92a2b990 RCX: 00007f2aa51c81e7
[  130.805292][ T1613] RDX: 0000000000000000 RSI: 00007ffc92a2b2c0 RDI: 0000000000000005
[  130.805785][ T1613] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  130.806261][ T1613] R10: 0000000032760910 R11: 0000000000000246 R12: 0000000000000003
[  130.806746][ T1613] R13: 00000000686e2720 R14: 0000000000499600 R15: 0000000000000000
| [  132.272577][ T1639] ------------[ cut here ]------------
| [ 132.272877][ T1639] WARNING: CPU: 3 PID: 1639 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) 
| [  132.273461][ T1639] Modules linked in: vxlan
| [  132.274368][ T1639] Tainted: [W]=WARN
[  132.274606][ T1639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 132.274973][ T1639] 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) 
[ 132.275286][ T1639] 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
[  132.276353][ T1639] RSP: 0018:ffffc90003596ef0 EFLAGS: 00010246
[  132.276735][ T1639] RAX: 0000000000000000 RBX: ffff88801a2e2000 RCX: 0000000000000001
[  132.277176][ T1639] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  132.277623][ T1639] RBP: ffffc90003596fd8 R08: 0000000000000000 R09: 0000000000000000
[  132.278067][ T1639] R10: ffffc90003597008 R11: ffffffffaf38d1e0 R12: 1ffff920006b2de2
[  132.278509][ T1639] R13: 00000000000005aa R14: ffffc90003597008 R15: ffff88801a2e2f48
[  132.278956][ T1639] FS:  00007f5a34d40800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  132.279468][ T1639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  132.279851][ T1639] CR2: 00000000004e6890 CR3: 000000000c26a002 CR4: 0000000000772ef0
[  132.280295][ T1639] PKRU: 55555554
[  132.280514][ T1639] Call Trace:
[  132.280944][ T1639]  <TASK>
[ 132.281098][ T1639] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 132.281399][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.281906][ T1639] netif_set_mtu (net/core/dev.c:9652) 
[ 132.282202][ T1639] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 132.282513][ T1639] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 132.282889][ T1639] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 132.283187][ T1639] br_add_if (net/bridge/br_if.c:697) 
[ 132.283419][ T1639] do_set_master (net/core/rtnetlink.c:2948) 
[ 132.283808][ T1639] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 132.284107][ T1639] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 132.284403][ T1639] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 132.284789][ T1639] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 132.285089][ T1639] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 132.285388][ T1639] ? __kernel_text_address (kernel/extable.c:79) 
[ 132.285695][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.285999][ T1639] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 132.286297][ T1639] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 132.286669][ T1639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.286972][ T1639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.287263][ T1639] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 132.287569][ T1639] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 132.287865][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.288158][ T1639] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 132.288447][ T1639] ? __create_object (mm/kmemleak.c:771) 
[ 132.288752][ T1639] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 132.289056][ T1639] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 132.289355][ T1639] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 132.289726][ T1639] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 132.290027][ T1639] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 132.290323][ T1639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 132.290627][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.290930][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.291222][ T1639] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 132.291516][ T1639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 132.291818][ T1639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 132.292110][ T1639] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 132.292403][ T1639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 132.292708][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.293007][ T1639] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 132.293299][ T1639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 132.293602][ T1639] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 132.293918][ T1639] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 132.294209][ T1639] ? 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) 
[ 132.294506][ T1639] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 132.294813][ T1639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 132.295112][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.295412][ T1639] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 132.295717][ T1639] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 132.296017][ T1639] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 132.296320][ T1639] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 132.296626][ T1639] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 132.296927][ T1639] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 132.297305][ T1639] ___sys_sendmsg (net/socket.c:2670) 
[ 132.297607][ T1639] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 132.297900][ T1639] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 132.298269][ T1639] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 132.298577][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.298874][ T1639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 132.299173][ T1639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 132.299466][ T1639] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 132.299769][ T1639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 132.300071][ T1639] __sys_sendmsg (net/socket.c:2700) 
[ 132.300365][ T1639] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 132.300739][ T1639] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 132.301046][ T1639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.301340][ T1639] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 132.301643][ T1639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  132.302012][ T1639] RIP: 0033:0x7f5a34f0d1e7
[ 132.302313][ T1639] 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)
[  132.303382][ T1639] RSP: 002b:00007ffcea5feba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  132.303839][ T1639] RAX: ffffffffffffffda RBX: 00007ffcea5ff2e0 RCX: 00007f5a34f0d1e7
[  132.304279][ T1639] RDX: 0000000000000000 RSI: 00007ffcea5fec10 RDI: 0000000000000005
[  132.304737][ T1639] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  132.305182][ T1639] R10: 00000000036e9910 R11: 0000000000000246 R12: 0000000000000003
[  132.305631][ T1639] R13: 00000000686e2721 R14: 0000000000499600 R15: 0000000000000000
| [  135.712689][ T1690] ------------[ cut here ]------------
| [ 135.713005][ T1690] WARNING: CPU: 3 PID: 1690 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) 
| [  135.713636][ T1690] Modules linked in: vxlan
| [  135.714600][ T1690] Tainted: [W]=WARN
[  135.714837][ T1690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 135.715239][ T1690] 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) 
[ 135.715567][ T1690] 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
[  135.716674][ T1690] RSP: 0018:ffffc900036f6ef0 EFLAGS: 00010246
[  135.717066][ T1690] RAX: 0000000000000000 RBX: ffff88800e10a000 RCX: 0000000000000001
[  135.717508][ T1690] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  135.717956][ T1690] RBP: ffffc900036f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  135.718402][ T1690] R10: ffffc900036f7008 R11: ffffffffaf38d1e0 R12: 1ffff920006dede2
[  135.719059][ T1690] R13: 00000000000005dc R14: ffffc900036f7008 R15: ffff88800e10af48
[  135.719503][ T1690] FS:  00007f9ed8d37800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  135.720160][ T1690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  135.720531][ T1690] CR2: 00000000004e6898 CR3: 000000001a345002 CR4: 0000000000772ef0
[  135.721112][ T1690] PKRU: 55555554
[  135.721354][ T1690] Call Trace:
[  135.721632][ T1690]  <TASK>
[ 135.721793][ T1690] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 135.722102][ T1690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 135.722424][ T1690] netif_set_mtu (net/core/dev.c:9652) 
[ 135.722735][ T1690] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 135.723051][ T1690] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 135.723274][ T1690] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 135.723587][ T1690] br_add_if (net/bridge/br_if.c:697) 
[ 135.723820][ T1690] do_set_master (net/core/rtnetlink.c:2948) 
[ 135.724113][ T1690] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 135.724410][ T1690] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 135.724717][ T1690] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 135.725094][ T1690] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 135.725393][ T1690] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 135.725699][ T1690] ? __kernel_text_address (kernel/extable.c:79) 
[ 135.725998][ T1690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 135.726299][ T1690] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 135.726611][ T1690] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 135.726982][ T1690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 135.727277][ T1690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 135.727578][ T1690] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 135.727876][ T1690] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 135.728171][ T1690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 135.728465][ T1690] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 135.728778][ T1690] ? __create_object (mm/kmemleak.c:771) 
[ 135.729082][ T1690] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 135.729378][ T1690] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 135.729679][ T1690] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 135.730046][ T1690] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 135.730358][ T1690] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 135.730671][ T1690] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 135.730969][ T1690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 135.731267][ T1690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 135.731575][ T1690] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 135.731867][ T1690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 135.732164][ T1690] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 135.732457][ T1690] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 135.732763][ T1690] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 135.733066][ T1690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 135.733364][ T1690] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 135.733664][ T1690] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 135.733959][ T1690] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 135.734262][ T1690] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 135.734571][ T1690] ? 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) 
[ 135.734871][ T1690] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 135.735176][ T1690] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 135.735468][ T1690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 135.735776][ T1690] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 135.736072][ T1690] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 135.736367][ T1690] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 135.736677][ T1690] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 135.736978][ T1690] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 135.737269][ T1690] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 135.737654][ T1690] ___sys_sendmsg (net/socket.c:2670) 
[ 135.737947][ T1690] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 135.738238][ T1690] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 135.738619][ T1690] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 135.738918][ T1690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 135.739222][ T1690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 135.739520][ T1690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 135.739821][ T1690] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 135.740113][ T1690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 135.740414][ T1690] __sys_sendmsg (net/socket.c:2700) 
[ 135.740714][ T1690] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 135.741078][ T1690] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 135.741389][ T1690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 135.741690][ T1690] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 135.741985][ T1690] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  135.742349][ T1690] RIP: 0033:0x7f9ed8f041e7
[ 135.742667][ T1690] 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)
[  135.743726][ T1690] RSP: 002b:00007fff75ccca78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  135.744167][ T1690] RAX: ffffffffffffffda RBX: 00007fff75ccd1b0 RCX: 00007f9ed8f041e7
[  135.744614][ T1690] RDX: 0000000000000000 RSI: 00007fff75cccae0 RDI: 0000000000000005
[  135.745050][ T1690] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  135.745501][ T1690] R10: 0000000031040910 R11: 0000000000000246 R12: 0000000000000003
[  135.745943][ T1690] R13: 00000000686e2725 R14: 0000000000499600 R15: 0000000000000000
| [  137.244489][ T1716] ------------[ cut here ]------------
| [ 137.244793][ T1716] WARNING: CPU: 0 PID: 1716 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) 
| [  137.245380][ T1716] Modules linked in: vxlan
| [  137.246293][ T1716] Tainted: [W]=WARN
[  137.246514][ T1716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 137.246890][ T1716] 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) 
[ 137.247192][ T1716] 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
[  137.248310][ T1716] RSP: 0018:ffffc90003776ef0 EFLAGS: 00010246
[  137.248709][ T1716] RAX: 0000000000000000 RBX: ffff88800e10a000 RCX: 0000000000000001
[  137.249176][ T1716] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  137.249659][ T1716] RBP: ffffc90003776fd8 R08: 0000000000000000 R09: 0000000000000000
[  137.250127][ T1716] R10: ffffc90003777008 R11: ffffffffafcceab8 R12: 1ffff920006eede2
[  137.250597][ T1716] R13: 0000000000000596 R14: ffffc90003777008 R15: ffff88800e10af48
[  137.251061][ T1716] FS:  00007f1677d75800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  137.251608][ T1716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  137.251999][ T1716] CR2: 00000000004e6898 CR3: 000000001a1c7006 CR4: 0000000000772ef0
[  137.252479][ T1716] PKRU: 55555554
[  137.252718][ T1716] Call Trace:
[  137.252948][ T1716]  <TASK>
[ 137.253110][ T1716] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 137.253426][ T1716] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 137.253744][ T1716] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 137.254126][ T1716] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 137.254434][ T1716] netif_set_mtu (net/core/dev.c:9652) 
[ 137.254736][ T1716] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 137.255041][ T1716] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 137.255418][ T1716] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 137.255650][ T1716] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 137.255946][ T1716] br_add_if (net/bridge/br_if.c:697) 
[ 137.256181][ T1716] do_set_master (net/core/rtnetlink.c:2948) 
[ 137.256475][ T1716] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 137.256787][ T1716] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 137.257091][ T1716] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 137.257467][ T1716] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 137.257769][ T1716] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 137.258070][ T1716] ? __kernel_text_address (kernel/extable.c:79) 
[ 137.258367][ T1716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 137.258679][ T1716] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 137.258975][ T1716] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 137.259340][ T1716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 137.259643][ T1716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 137.259937][ T1716] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 137.260247][ T1716] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 137.260566][ T1716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 137.260876][ T1716] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 137.261188][ T1716] ? __create_object (mm/kmemleak.c:771) 
[ 137.261498][ T1716] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 137.261801][ T1716] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 137.262097][ T1716] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 137.262461][ T1716] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 137.262770][ T1716] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 137.263075][ T1716] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 137.263373][ T1716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 137.263683][ T1716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 137.263981][ T1716] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 137.264274][ T1716] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 137.264576][ T1716] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 137.264872][ T1716] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 137.265175][ T1716] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 137.265475][ T1716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 137.265787][ T1716] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 137.266084][ T1716] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 137.266380][ T1716] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 137.266693][ T1716] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 137.266991][ T1716] ? 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) 
[ 137.267287][ T1716] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 137.267589][ T1716] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 137.267891][ T1716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 137.268194][ T1716] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 137.268491][ T1716] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 137.268793][ T1716] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 137.269096][ T1716] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 137.269391][ T1716] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 137.269690][ T1716] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 137.270078][ T1716] ___sys_sendmsg (net/socket.c:2670) 
[ 137.270370][ T1716] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 137.270669][ T1716] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 137.271040][ T1716] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 137.271337][ T1716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 137.271642][ T1716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 137.271942][ T1716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 137.272245][ T1716] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 137.272538][ T1716] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 137.272847][ T1716] __sys_sendmsg (net/socket.c:2700) 
[ 137.273143][ T1716] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 137.273509][ T1716] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 137.273824][ T1716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 137.274122][ T1716] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 137.274418][ T1716] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  137.274794][ T1716] RIP: 0033:0x7f1677f421e7
[ 137.275103][ T1716] 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)
[  137.276173][ T1716] RSP: 002b:00007fffb86a7e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  137.276652][ T1716] RAX: ffffffffffffffda RBX: 00007fffb86a8560 RCX: 00007f1677f421e7
[  137.277115][ T1716] RDX: 0000000000000000 RSI: 00007fffb86a7e90 RDI: 0000000000000005
[  137.277583][ T1716] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  137.278048][ T1716] R10: 000000002a82a910 R11: 0000000000000246 R12: 0000000000000003
[  137.278516][ T1716] R13: 00000000686e2726 R14: 0000000000499600 R15: 0000000000000000
| [  141.576135][   T12] ------------[ cut here ]------------
| [ 141.576448][ T12] WARNING: CPU: 1 PID: 12 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) 
| [  141.576989][   T12] Modules linked in: vxlan
| [  141.578009][   T12] Tainted: [W]=WARN
[  141.578240][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.578631][   T12] Workqueue: netns cleanup_net
[ 141.578949][ T12] 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) 
[ 141.579262][ T12] 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
[  141.580364][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  141.580759][   T12] RAX: 0000000000000000 RBX: ffff88800e10a000 RCX: 0000000000000001
[  141.581217][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  141.581688][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  141.582146][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  141.582613][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800e10af48
[  141.583072][   T12] FS:  0000000000000000(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[  141.583617][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  141.584006][   T12] CR2: 0000561d7430b298 CR3: 000000001a00f001 CR4: 0000000000772ef0
[  141.584465][   T12] PKRU: 55555554
[  141.584703][   T12] Call Trace:
[  141.584934][   T12]  <TASK>
[ 141.585097][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 141.585405][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 141.585797][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 141.586030][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 141.586340][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 141.586650][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 141.586958][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 141.587335][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 141.587719][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 141.588021][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 141.588326][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 141.588637][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 141.588938][ T12] ? kthread (kernel/kthread.c:464) 
[ 141.589167][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 141.589471][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 141.589799][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 141.590103][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 141.590425][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 141.590669][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 141.590977][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 141.591211][ T12] br_device_event (net/bridge/br.c:141) 
[ 141.591517][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 141.591837][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 141.592148][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 141.592534][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 141.592944][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 141.593332][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 141.593661][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 141.594054][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 141.594453][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 141.594770][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 141.595168][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 141.595482][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 141.595869][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 141.596243][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 141.596629][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 141.597015][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 141.597320][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 141.597720][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 141.598029][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 141.598330][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 141.598650][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 141.598956][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 141.599261][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 141.599575][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 141.599900][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 141.600210][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 141.600516][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 141.600837][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 141.601144][ T12] kthread (kernel/kthread.c:464) 
[ 141.601374][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 141.601683][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 141.601986][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 141.602295][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 141.602605][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 141.602910][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 141.603212][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 141.603514][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  141.636828][   T12] ------------[ cut here ]------------
| [ 141.637182][ T12] WARNING: CPU: 2 PID: 12 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) 
| [  141.638657][   T12] Modules linked in: vxlan
| [  141.640000][   T12] Tainted: [W]=WARN
[  141.640430][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.641011][   T12] Workqueue: netns cleanup_net
[ 141.641352][ T12] 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) 
[ 141.641691][ T12] 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
[  141.642811][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  141.643215][   T12] RAX: 0000000000000000 RBX: ffff88801a2e2000 RCX: 0000000000000001
[  141.643699][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  141.644180][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  141.644660][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  141.645150][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88801a2e2f48
[  141.645636][   T12] FS:  0000000000000000(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  141.646184][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  141.646593][   T12] CR2: 000055bc2eb2d0b8 CR3: 0000000014d4a003 CR4: 0000000000772ef0
[  141.647077][   T12] PKRU: 55555554
[  141.647320][   T12] Call Trace:
[  141.647573][   T12]  <TASK>
[ 141.647742][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 141.648062][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 141.648459][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 141.648712][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 141.649040][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 141.649362][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 141.649697][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 141.650088][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 141.650486][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 141.650810][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 141.651130][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 141.651458][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 141.651788][ T12] ? kthread (kernel/kthread.c:464) 
[ 141.652032][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 141.652356][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 141.652710][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 141.653045][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 141.653381][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 141.653644][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 141.653969][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 141.654214][ T12] br_device_event (net/bridge/br.c:141) 
[ 141.654533][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 141.654870][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 141.655207][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 141.655619][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 141.656034][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 141.656445][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 141.656795][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 141.657207][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 141.657630][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 141.657956][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 141.658363][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 141.658695][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 141.659086][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 141.659481][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 141.659882][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 141.660286][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 141.660614][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 141.661024][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 141.661350][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 141.661676][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 141.662003][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 141.662328][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 141.662658][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 141.662984][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 141.663320][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 141.663660][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 141.663984][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 141.664314][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 141.664643][ T12] kthread (kernel/kthread.c:464) 
[ 141.664890][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 141.665214][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 141.665537][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 141.665876][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 141.666201][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 141.666525][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 141.666857][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 141.667176][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  162.213492][ T1957] ------------[ cut here ]------------
| [ 162.214953][ T1957] WARNING: CPU: 2 PID: 1957 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) 
| [  162.215712][ T1957] Modules linked in: vxlan
| [  162.216816][ T1957] Tainted: [W]=WARN
[  162.217094][ T1957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 162.217534][ T1957] 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) 
[ 162.217918][ T1957] 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
[  162.219187][ T1957] RSP: 0018:ffffc900041d6ef0 EFLAGS: 00010246
[  162.219670][ T1957] RAX: 0000000000000000 RBX: ffff88800e042000 RCX: 0000000000000001
[  162.220199][ T1957] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  162.220724][ T1957] RBP: ffffc900041d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  162.221235][ T1957] R10: ffffc900041d7008 R11: ffffffffaf38d1e0 R12: 1ffff9200083ade2
[  162.221774][ T1957] R13: 00000000000005dc R14: ffffc900041d7008 R15: ffff88800e042f48
[  162.222297][ T1957] FS:  00007fce2b791800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  162.222930][ T1957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  162.223383][ T1957] CR2: 00000000004e6890 CR3: 0000000018383002 CR4: 0000000000772ef0
[  162.223941][ T1957] PKRU: 55555554
[  162.224214][ T1957] Call Trace:
[  162.224485][ T1957]  <TASK>
[ 162.224684][ T1957] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 162.225044][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.225431][ T1957] netif_set_mtu (net/core/dev.c:9652) 
[ 162.225790][ T1957] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 162.226143][ T1957] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 162.226417][ T1957] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 162.226771][ T1957] br_add_if (net/bridge/br_if.c:697) 
[ 162.227047][ T1957] do_set_master (net/core/rtnetlink.c:2948) 
[ 162.227386][ T1957] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 162.227744][ T1957] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 162.228088][ T1957] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 162.228509][ T1957] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 162.228873][ T1957] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 162.229216][ T1957] ? __kernel_text_address (kernel/extable.c:79) 
[ 162.229568][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.229916][ T1957] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 162.230260][ T1957] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 162.230694][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.231037][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.231375][ T1957] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 162.231745][ T1957] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 162.232089][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 162.232429][ T1957] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 162.232773][ T1957] ? __create_object (mm/kmemleak.c:771) 
[ 162.233120][ T1957] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 162.233460][ T1957] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 162.233816][ T1957] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 162.234243][ T1957] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 162.234602][ T1957] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 162.234958][ T1957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.235326][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.235683][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 162.236033][ T1957] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 162.236377][ T1957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.236743][ T1957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 162.237102][ T1957] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 162.237540][ T1957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.237917][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.238301][ T1957] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 162.238673][ T1957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 162.239034][ T1957] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 162.239401][ T1957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 162.239784][ T1957] ? 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) 
[ 162.240139][ T1957] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 162.240492][ T1957] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 162.240850][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.241224][ T1957] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 162.241579][ T1957] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 162.241929][ T1957] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 162.242295][ T1957] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 162.242654][ T1957] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 162.243001][ T1957] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 162.243445][ T1957] ___sys_sendmsg (net/socket.c:2670) 
[ 162.243795][ T1957] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 162.244140][ T1957] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 162.244577][ T1957] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 162.244932][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 162.245289][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 162.245644][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 162.245987][ T1957] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 162.246333][ T1957] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 162.246690][ T1957] __sys_sendmsg (net/socket.c:2700) 
[ 162.247031][ T1957] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 162.247460][ T1957] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 162.247835][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 162.248177][ T1957] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 162.248517][ T1957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  162.248946][ T1957] RIP: 0033:0x7fce2b95e1e7
[ 162.249311][ T1957] 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)
[  162.250499][ T1957] RSP: 002b:00007ffdea1526f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  162.251020][ T1957] RAX: ffffffffffffffda RBX: 00007ffdea152e30 RCX: 00007fce2b95e1e7
[  162.251524][ T1957] RDX: 0000000000000000 RSI: 00007ffdea152760 RDI: 0000000000000005
[  162.252035][ T1957] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  162.252557][ T1957] R10: 0000000008ac7910 R11: 0000000000000246 R12: 0000000000000003
[  162.253079][ T1957] R13: 00000000686e273f R14: 0000000000499600 R15: 0000000000000000
| [  164.644705][ T1983] ------------[ cut here ]------------
| [ 164.645311][ T1983] WARNING: CPU: 3 PID: 1983 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) 
| [  164.646247][ T1983] Modules linked in: vxlan
| [  164.647655][ T1983] Tainted: [W]=WARN
[  164.647987][ T1983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.648538][ T1983] 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) 
[ 164.649003][ T1983] 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
[  164.650499][ T1983] RSP: 0018:ffffc900042c6ef0 EFLAGS: 00010246
[  164.651129][ T1983] RAX: 0000000000000000 RBX: ffff88800e042000 RCX: 0000000000000001
[  164.651965][ T1983] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  164.652812][ T1983] RBP: ffffc900042c6fd8 R08: 0000000000000000 R09: 0000000000000000
[  164.653676][ T1983] R10: ffffc900042c7008 R11: ffffffffafcceab8 R12: 1ffff92000858de2
[  164.654324][ T1983] R13: 00000000000005aa R14: ffffc900042c7008 R15: ffff88800e042f48
[  164.655031][ T1983] FS:  00007fc4b0ea1800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  164.655826][ T1983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  164.656346][ T1983] CR2: 00000000004e6890 CR3: 000000000f0ed002 CR4: 0000000000772ef0
[  164.657016][ T1983] PKRU: 55555554
[  164.657365][ T1983] Call Trace:
[  164.657729][ T1983]  <TASK>
[ 164.657960][ T1983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 164.658406][ T1983] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 164.658899][ T1983] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 164.659432][ T1983] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 164.659897][ T1983] netif_set_mtu (net/core/dev.c:9652) 
[ 164.660353][ T1983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 164.660874][ T1983] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 164.661385][ T1983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 164.661755][ T1983] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 164.662233][ T1983] br_add_if (net/bridge/br_if.c:697) 
[ 164.662661][ T1983] do_set_master (net/core/rtnetlink.c:2948) 
[ 164.663128][ T1983] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 164.663639][ T1983] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 164.664155][ T1983] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 164.664877][ T1983] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 164.665429][ T1983] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 164.665956][ T1983] ? __kernel_text_address (kernel/extable.c:79) 
[ 164.666463][ T1983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.666970][ T1983] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 164.667482][ T1983] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 164.668194][ T1983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.668763][ T1983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.669286][ T1983] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 164.669851][ T1983] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 164.670401][ T1983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.671012][ T1983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 164.671503][ T1983] ? __create_object (mm/kmemleak.c:771) 
[ 164.672000][ T1983] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 164.672451][ T1983] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 164.673037][ T1983] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 164.673801][ T1983] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 164.674378][ T1983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 164.674955][ T1983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.675472][ T1983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.676000][ T1983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.676489][ T1983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 164.677041][ T1983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.677618][ T1983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 164.678201][ T1983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 164.678815][ T1983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.679396][ T1983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.680003][ T1983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 164.680582][ T1983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 164.681066][ T1983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 164.681622][ T1983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 164.682104][ T1983] ? 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) 
[ 164.682660][ T1983] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 164.683248][ T1983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 164.683729][ T1983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.684202][ T1983] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 164.684796][ T1983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 164.685357][ T1983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 164.685917][ T1983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 164.686440][ T1983] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 164.686996][ T1983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 164.687532][ T1983] ___sys_sendmsg (net/socket.c:2670) 
[ 164.688003][ T1983] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 164.688434][ T1983] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 164.689037][ T1983] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 164.689483][ T1983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.689960][ T1983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 164.690391][ T1983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 164.690840][ T1983] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 164.691266][ T1983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 164.691757][ T1983] __sys_sendmsg (net/socket.c:2700) 
[ 164.692200][ T1983] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 164.692728][ T1983] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 164.693173][ T1983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 164.693622][ T1983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 164.694061][ T1983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  164.694622][ T1983] RIP: 0033:0x7fc4b106e1e7
[ 164.695074][ T1983] 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)
[  164.696734][ T1983] RSP: 002b:00007ffd806dea98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  164.697421][ T1983] RAX: ffffffffffffffda RBX: 00007ffd806df1d0 RCX: 00007fc4b106e1e7
[  164.698149][ T1983] RDX: 0000000000000000 RSI: 00007ffd806deb00 RDI: 0000000000000005
[  164.698856][ T1983] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  164.699536][ T1983] R10: 000000001c6b3910 R11: 0000000000000246 R12: 0000000000000003
[  164.700230][ T1983] R13: 00000000686e2742 R14: 0000000000499600 R15: 0000000000000000
| [  169.723780][ T2034] ------------[ cut here ]------------
| [ 169.724125][ T2034] WARNING: CPU: 3 PID: 2034 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) 
| [  169.725594][ T2034] Modules linked in: vxlan
| [  169.726615][ T2034] Tainted: [W]=WARN
[  169.726861][ T2034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 169.727275][ T2034] 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) 
[ 169.727617][ T2034] 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
[  169.728787][ T2034] RSP: 0018:ffffc900043e6ef0 EFLAGS: 00010246
[  169.729206][ T2034] RAX: 0000000000000000 RBX: ffff88800adaa000 RCX: 0000000000000001
[  169.729703][ T2034] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  169.730198][ T2034] RBP: ffffc900043e6fd8 R08: 0000000000000000 R09: 0000000000000000
[  169.730703][ T2034] R10: ffffc900043e7008 R11: ffffffffaf38d1e0 R12: 1ffff9200087cde2
[  169.731193][ T2034] R13: 00000000000005dc R14: ffffc900043e7008 R15: ffff88800adaaf48
[  169.731693][ T2034] FS:  00007f1ab2947800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  169.732262][ T2034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  169.732690][ T2034] CR2: 00000000004e6898 CR3: 0000000019385001 CR4: 0000000000772ef0
[  169.733184][ T2034] PKRU: 55555554
[  169.733437][ T2034] Call Trace:
[  169.733692][ T2034]  <TASK>
[ 169.733860][ T2034] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 169.734188][ T2034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.734528][ T2034] netif_set_mtu (net/core/dev.c:9652) 
[ 169.734867][ T2034] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 169.735216][ T2034] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 169.735480][ T2034] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 169.735825][ T2034] br_add_if (net/bridge/br_if.c:697) 
[ 169.736084][ T2034] do_set_master (net/core/rtnetlink.c:2948) 
[ 169.736410][ T2034] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 169.736749][ T2034] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 169.737081][ T2034] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 169.737497][ T2034] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 169.737837][ T2034] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 169.738157][ T2034] ? __kernel_text_address (kernel/extable.c:79) 
[ 169.738482][ T2034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.738815][ T2034] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 169.739140][ T2034] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 169.739540][ T2034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.739876][ T2034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.740203][ T2034] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 169.740525][ T2034] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 169.740861][ T2034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.741186][ T2034] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 169.741510][ T2034] ? __create_object (mm/kmemleak.c:771) 
[ 169.741845][ T2034] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 169.742171][ T2034] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 169.742495][ T2034] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 169.742934][ T2034] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 169.743266][ T2034] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 169.743601][ T2034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.743928][ T2034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.744263][ T2034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.744596][ T2034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 169.744923][ T2034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.745261][ T2034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 169.745600][ T2034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 169.745937][ T2034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.746269][ T2034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.746613][ T2034] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 169.746944][ T2034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 169.747274][ T2034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 169.747632][ T2034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 169.747970][ T2034] ? 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) 
[ 169.748302][ T2034] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 169.748642][ T2034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 169.748978][ T2034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.749320][ T2034] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 169.749663][ T2034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 169.749995][ T2034] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 169.750340][ T2034] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 169.750682][ T2034] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 169.751009][ T2034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 169.751444][ T2034] ___sys_sendmsg (net/socket.c:2670) 
[ 169.751781][ T2034] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 169.752110][ T2034] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 169.752521][ T2034] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 169.752871][ T2034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.753203][ T2034] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 169.753535][ T2034] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 169.753878][ T2034] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 169.754208][ T2034] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 169.754554][ T2034] __sys_sendmsg (net/socket.c:2700) 
[ 169.754883][ T2034] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 169.755312][ T2034] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 169.755664][ T2034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 169.756001][ T2034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 169.756330][ T2034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  169.756741][ T2034] RIP: 0033:0x7f1ab2b141e7
[ 169.757083][ T2034] 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)
[  169.758252][ T2034] RSP: 002b:00007ffc90c7e458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  169.758755][ T2034] RAX: ffffffffffffffda RBX: 00007ffc90c7eb90 RCX: 00007f1ab2b141e7
[  169.759245][ T2034] RDX: 0000000000000000 RSI: 00007ffc90c7e4c0 RDI: 0000000000000005
[  169.759742][ T2034] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  169.760237][ T2034] R10: 000000000aae7910 R11: 0000000000000246 R12: 0000000000000003
[  169.760737][ T2034] R13: 00000000686e2747 R14: 0000000000499600 R15: 0000000000000000
| [  171.583383][ T2060] ------------[ cut here ]------------
| [ 171.584602][ T2060] WARNING: CPU: 2 PID: 2060 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) 
| [  171.585302][ T2060] Modules linked in: vxlan
| [  171.586364][ T2060] Tainted: [W]=WARN
[  171.586650][ T2060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 171.587091][ T2060] 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) 
[ 171.587452][ T2060] 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
[  171.588658][ T2060] RSP: 0018:ffffc90004486ef0 EFLAGS: 00010246
[  171.589097][ T2060] RAX: 0000000000000000 RBX: ffff88800adaa000 RCX: 0000000000000001
[  171.589628][ T2060] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  171.590138][ T2060] RBP: ffffc90004486fd8 R08: 0000000000000000 R09: 0000000000000000
[  171.590661][ T2060] R10: ffffc90004487008 R11: ffffffffaf38d1e0 R12: 1ffff92000890de2
[  171.591174][ T2060] R13: 0000000000000596 R14: ffffc90004487008 R15: ffff88800adaaf48
[  171.591704][ T2060] FS:  00007fceb3e28800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  171.592301][ T2060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  171.592747][ T2060] CR2: 00000000004e6898 CR3: 00000000180e1002 CR4: 0000000000772ef0
[  171.593263][ T2060] PKRU: 55555554
[  171.593533][ T2060] Call Trace:
[  171.593816][ T2060]  <TASK>
[ 171.594007][ T2060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 171.594361][ T2060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.594737][ T2060] netif_set_mtu (net/core/dev.c:9652) 
[ 171.595090][ T2060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 171.595466][ T2060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 171.595751][ T2060] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 171.596113][ T2060] br_add_if (net/bridge/br_if.c:697) 
[ 171.596404][ T2060] do_set_master (net/core/rtnetlink.c:2948) 
[ 171.596763][ T2060] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 171.597125][ T2060] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 171.597479][ T2060] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 171.597932][ T2060] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 171.598283][ T2060] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 171.598652][ T2060] ? __kernel_text_address (kernel/extable.c:79) 
[ 171.599016][ T2060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.599370][ T2060] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 171.599734][ T2060] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 171.600165][ T2060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.600517][ T2060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.600876][ T2060] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 171.601227][ T2060] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 171.601604][ T2060] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.601958][ T2060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 171.602305][ T2060] ? __create_object (mm/kmemleak.c:771) 
[ 171.602667][ T2060] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 171.603020][ T2060] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 171.603386][ T2060] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 171.603826][ T2060] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 171.604183][ T2060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 171.604555][ T2060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.604907][ T2060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.605273][ T2060] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.605639][ T2060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 171.605987][ T2060] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.606339][ T2060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 171.606699][ T2060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 171.607053][ T2060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.607414][ T2060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.607777][ T2060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 171.608129][ T2060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 171.608482][ T2060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 171.608851][ T2060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 171.609200][ T2060] ? 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) 
[ 171.609561][ T2060] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 171.609923][ T2060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 171.610267][ T2060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.610632][ T2060] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 171.610985][ T2060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 171.611334][ T2060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 171.611699][ T2060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 171.612050][ T2060] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 171.612404][ T2060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 171.612856][ T2060] ___sys_sendmsg (net/socket.c:2670) 
[ 171.613205][ T2060] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 171.613563][ T2060] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 171.613997][ T2060] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 171.614349][ T2060] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.614711][ T2060] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 171.615076][ T2060] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 171.615443][ T2060] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 171.615807][ T2060] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 171.616162][ T2060] __sys_sendmsg (net/socket.c:2700) 
[ 171.616508][ T2060] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 171.616947][ T2060] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 171.617309][ T2060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 171.617679][ T2060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 171.618033][ T2060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  171.618463][ T2060] RIP: 0033:0x7fceb3ff51e7
[ 171.618836][ T2060] 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)
[  171.620039][ T2060] RSP: 002b:00007ffd8fbd54a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  171.620577][ T2060] RAX: ffffffffffffffda RBX: 00007ffd8fbd5be0 RCX: 00007fceb3ff51e7
[  171.621091][ T2060] RDX: 0000000000000000 RSI: 00007ffd8fbd5510 RDI: 0000000000000005
[  171.621621][ T2060] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  171.622138][ T2060] R10: 0000000003ab9910 R11: 0000000000000246 R12: 0000000000000003
[  171.622668][ T2060] R13: 00000000686e2749 R14: 0000000000499600 R15: 0000000000000000
| [  175.258204][ T2111] ------------[ cut here ]------------
| [ 175.258506][ T2111] WARNING: CPU: 0 PID: 2111 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) 
| [  175.259765][ T2111] Modules linked in: vxlan
| [  175.260680][ T2111] Tainted: [W]=WARN
[  175.260905][ T2111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 175.261274][ T2111] 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) 
[ 175.261589][ T2111] 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
[  175.262660][ T2111] RSP: 0018:ffffc90004606ef0 EFLAGS: 00010246
[  175.263035][ T2111] RAX: 0000000000000000 RBX: ffff888002c72000 RCX: 0000000000000001
[  175.263478][ T2111] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  175.263938][ T2111] RBP: ffffc90004606fd8 R08: 0000000000000000 R09: 0000000000000000
[  175.264387][ T2111] R10: ffffc90004607008 R11: ffffffffaf38d1e0 R12: 1ffff920008c0de2
[  175.264845][ T2111] R13: 00000000000005dc R14: ffffc90004607008 R15: ffff888002c72f48
[  175.265303][ T2111] FS:  00007f470f7d2800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  175.265833][ T2111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  175.266213][ T2111] CR2: 00000000004e6890 CR3: 000000000a19c002 CR4: 0000000000772ef0
[  175.266665][ T2111] PKRU: 55555554
[  175.266888][ T2111] Call Trace:
[  175.267109][ T2111]  <TASK>
[ 175.267263][ T2111] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 175.267575][ T2111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 175.267887][ T2111] netif_set_mtu (net/core/dev.c:9652) 
[ 175.268188][ T2111] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 175.268510][ T2111] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 175.268746][ T2111] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 175.269047][ T2111] br_add_if (net/bridge/br_if.c:697) 
[ 175.269282][ T2111] do_set_master (net/core/rtnetlink.c:2948) 
[ 175.269590][ T2111] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 175.269891][ T2111] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 175.270193][ T2111] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 175.270590][ T2111] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 175.270887][ T2111] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 175.271184][ T2111] ? __kernel_text_address (kernel/extable.c:79) 
[ 175.271483][ T2111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 175.271790][ T2111] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 175.272087][ T2111] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 175.272451][ T2111] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 175.272781][ T2111] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 175.273078][ T2111] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 175.273373][ T2111] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 175.273682][ T2111] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 175.273985][ T2111] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 175.274278][ T2111] ? __create_object (mm/kmemleak.c:771) 
[ 175.274585][ T2111] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 175.274882][ T2111] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 175.275196][ T2111] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 175.275578][ T2111] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 175.275884][ T2111] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 175.276189][ T2111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 175.276484][ T2111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 175.276797][ T2111] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 175.277095][ T2111] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 175.277390][ T2111] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 175.277713][ T2111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 175.278009][ T2111] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 175.278309][ T2111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 175.278620][ T2111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 175.278924][ T2111] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 175.279221][ T2111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 175.279518][ T2111] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 175.279842][ T2111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 175.280138][ T2111] ? 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) 
[ 175.280439][ T2111] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 175.280758][ T2111] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 175.281057][ T2111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 175.281361][ T2111] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 175.281669][ T2111] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 175.281973][ T2111] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 175.282276][ T2111] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 175.282582][ T2111] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 175.282875][ T2111] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 175.283256][ T2111] ___sys_sendmsg (net/socket.c:2670) 
[ 175.283563][ T2111] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 175.283857][ T2111] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 175.284230][ T2111] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 175.284530][ T2111] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 175.284840][ T2111] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 175.285150][ T2111] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 175.285449][ T2111] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 175.285753][ T2111] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 175.286056][ T2111] __sys_sendmsg (net/socket.c:2700) 
[ 175.286351][ T2111] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 175.286735][ T2111] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 175.287043][ T2111] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 175.287342][ T2111] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 175.287650][ T2111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  175.288018][ T2111] RIP: 0033:0x7f470f99f1e7
[ 175.288325][ T2111] 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)
[  175.289401][ T2111] RSP: 002b:00007ffebd672af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  175.289859][ T2111] RAX: ffffffffffffffda RBX: 00007ffebd673230 RCX: 00007f470f99f1e7
[  175.290301][ T2111] RDX: 0000000000000000 RSI: 00007ffebd672b60 RDI: 0000000000000005
[  175.290756][ T2111] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  175.291199][ T2111] R10: 0000000031cd1910 R11: 0000000000000246 R12: 0000000000000003
[  175.291650][ T2111] R13: 00000000686e274c R14: 0000000000499600 R15: 0000000000000000
| [  176.934698][ T2137] ------------[ cut here ]------------
| [ 176.935074][ T2137] WARNING: CPU: 2 PID: 2137 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) 
| [  176.937106][ T2137] Modules linked in: vxlan
| [  176.938175][ T2137] Tainted: [W]=WARN
[  176.938448][ T2137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 176.938896][ T2137] 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) 
[ 176.939258][ T2137] 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
[  176.940462][ T2137] RSP: 0018:ffffc90004446ef0 EFLAGS: 00010246
[  176.940918][ T2137] RAX: 0000000000000000 RBX: ffff888002c72000 RCX: 0000000000000001
[  176.941435][ T2137] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  176.941957][ T2137] RBP: ffffc90004446fd8 R08: 0000000000000000 R09: 0000000000000000
[  176.942470][ T2137] R10: ffffc90004447008 R11: ffffffffafcceab8 R12: 1ffff92000888de2
[  176.942998][ T2137] R13: 00000000000005aa R14: ffffc90004447008 R15: ffff888002c72f48
[  176.943511][ T2137] FS:  00007fe641827800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  176.944118][ T2137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  176.944562][ T2137] CR2: 00000000004e6890 CR3: 0000000009762004 CR4: 0000000000772ef0
[  176.945079][ T2137] PKRU: 55555554
[  176.945371][ T2137] Call Trace:
[  176.945649][ T2137]  <TASK>
[ 176.945839][ T2137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 176.946192][ T2137] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 176.946542][ T2137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 176.946993][ T2137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 176.947347][ T2137] netif_set_mtu (net/core/dev.c:9652) 
[ 176.947726][ T2137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 176.948094][ T2137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 176.948526][ T2137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 176.948807][ T2137] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 176.949161][ T2137] br_add_if (net/bridge/br_if.c:697) 
[ 176.949440][ T2137] do_set_master (net/core/rtnetlink.c:2948) 
[ 176.949801][ T2137] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 176.950154][ T2137] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 176.950515][ T2137] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 176.950967][ T2137] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 176.951316][ T2137] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 176.951672][ T2137] ? __kernel_text_address (kernel/extable.c:79) 
[ 176.952024][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.952378][ T2137] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 176.952739][ T2137] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 176.953174][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.953524][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.953885][ T2137] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 176.954235][ T2137] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 176.954596][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.954944][ T2137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 176.955312][ T2137] ? __create_object (mm/kmemleak.c:771) 
[ 176.955673][ T2137] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 176.956036][ T2137] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 176.956388][ T2137] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 176.956830][ T2137] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 176.957188][ T2137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 176.957543][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 176.957905][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.958261][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.958637][ T2137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 176.958988][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 176.959339][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 176.959699][ T2137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 176.960051][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 176.960403][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.960767][ T2137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 176.961115][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 176.961471][ T2137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 176.961840][ T2137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 176.962187][ T2137] ? 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) 
[ 176.962534][ T2137] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 176.962899][ T2137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 176.963256][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.963623][ T2137] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 176.963982][ T2137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 176.964331][ T2137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 176.964694][ T2137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 176.965048][ T2137] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 176.965422][ T2137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 176.965875][ T2137] ___sys_sendmsg (net/socket.c:2670) 
[ 176.966222][ T2137] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 176.966587][ T2137] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 176.967021][ T2137] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 176.967373][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.967735][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 176.968093][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 176.968440][ T2137] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 176.968800][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 176.969165][ T2137] __sys_sendmsg (net/socket.c:2700) 
[ 176.969513][ T2137] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 176.969950][ T2137] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 176.970313][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 176.970671][ T2137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 176.971025][ T2137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  176.971450][ T2137] RIP: 0033:0x7fe6419f41e7
[ 176.971819][ T2137] 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)
[  176.973033][ T2137] RSP: 002b:00007ffd09af0698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  176.973560][ T2137] RAX: ffffffffffffffda RBX: 00007ffd09af0dd0 RCX: 00007fe6419f41e7
[  176.974081][ T2137] RDX: 0000000000000000 RSI: 00007ffd09af0700 RDI: 0000000000000005
[  176.974599][ T2137] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  176.975111][ T2137] R10: 0000000003029910 R11: 0000000000000246 R12: 0000000000000003
[  176.975647][ T2137] R13: 00000000686e274e R14: 0000000000499600 R15: 0000000000000000
| [  180.619828][ T2188] ------------[ cut here ]------------
| [ 180.620140][ T2188] WARNING: CPU: 1 PID: 2188 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) 
| [  180.620781][ T2188] Modules linked in: vxlan
| [  180.621762][ T2188] Tainted: [W]=WARN
[  180.622004][ T2188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 180.622400][ T2188] 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) 
[ 180.622737][ T2188] 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
[  180.623892][ T2188] RSP: 0018:ffffc900046b6ef0 EFLAGS: 00010246
[  180.624295][ T2188] RAX: 0000000000000000 RBX: ffff88800dcf2000 RCX: 0000000000000001
[  180.624781][ T2188] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  180.625265][ T2188] RBP: ffffc900046b6fd8 R08: 0000000000000000 R09: 0000000000000000
[  180.625747][ T2188] R10: ffffc900046b7008 R11: ffffffffaf38d1e0 R12: 1ffff920008d6de2
[  180.626221][ T2188] R13: 00000000000005dc R14: ffffc900046b7008 R15: ffff88800dcf2f48
[  180.626745][ T2188] FS:  00007f019ccde800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[  180.627306][ T2188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  180.627723][ T2188] CR2: 00000000004e6898 CR3: 000000001a3ac003 CR4: 0000000000772ef0
[  180.628203][ T2188] PKRU: 55555554
[  180.628449][ T2188] Call Trace:
[  180.628701][ T2188]  <TASK>
[ 180.628875][ T2188] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 180.629200][ T2188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.629537][ T2188] netif_set_mtu (net/core/dev.c:9652) 
[ 180.629873][ T2188] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 180.630210][ T2188] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 180.630455][ T2188] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 180.630803][ T2188] br_add_if (net/bridge/br_if.c:697) 
[ 180.631056][ T2188] do_set_master (net/core/rtnetlink.c:2948) 
[ 180.631380][ T2188] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 180.631711][ T2188] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 180.632035][ T2188] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 180.632436][ T2188] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 180.632777][ T2188] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 180.633097][ T2188] ? __kernel_text_address (kernel/extable.c:79) 
[ 180.633421][ T2188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.633749][ T2188] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 180.634067][ T2188] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 180.634458][ T2188] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 180.634789][ T2188] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 180.635108][ T2188] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 180.635432][ T2188] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 180.635763][ T2188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 180.636090][ T2188] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 180.636408][ T2188] ? __create_object (mm/kmemleak.c:771) 
[ 180.636747][ T2188] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 180.637077][ T2188] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 180.637396][ T2188] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 180.637805][ T2188] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 180.638130][ T2188] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 180.638459][ T2188] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 180.638787][ T2188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.639109][ T2188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 180.639429][ T2188] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 180.639754][ T2188] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 180.640075][ T2188] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 180.640391][ T2188] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 180.640734][ T2188] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 180.641067][ T2188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.641389][ T2188] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 180.641718][ T2188] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 180.642036][ T2188] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 180.642362][ T2188] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 180.642727][ T2188] ? 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) 
[ 180.643047][ T2188] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 180.643373][ T2188] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 180.643704][ T2188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.644030][ T2188] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 180.644350][ T2188] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 180.644693][ T2188] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 180.645021][ T2188] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 180.645349][ T2188] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 180.645683][ T2188] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 180.646095][ T2188] ___sys_sendmsg (net/socket.c:2670) 
[ 180.646410][ T2188] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 180.646735][ T2188] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 180.647133][ T2188] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 180.647454][ T2188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 180.647787][ T2188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 180.648118][ T2188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 180.648436][ T2188] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 180.648775][ T2188] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 180.649108][ T2188] __sys_sendmsg (net/socket.c:2700) 
[ 180.649423][ T2188] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 180.649826][ T2188] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 180.650155][ T2188] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 180.650475][ T2188] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 180.650808][ T2188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  180.651205][ T2188] RIP: 0033:0x7f019ceab1e7
[ 180.651533][ T2188] 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)
[  180.652680][ T2188] RSP: 002b:00007ffd086f8228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  180.653164][ T2188] RAX: ffffffffffffffda RBX: 00007ffd086f8960 RCX: 00007f019ceab1e7
[  180.653651][ T2188] RDX: 0000000000000000 RSI: 00007ffd086f8290 RDI: 0000000000000005
[  180.654130][ T2188] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  180.654611][ T2188] R10: 00000000056c7910 R11: 0000000000000246 R12: 0000000000000003
[  180.655089][ T2188] R13: 00000000686e2752 R14: 0000000000499600 R15: 0000000000000000
| [  182.248907][ T2214] ------------[ cut here ]------------
| [ 182.249236][ T2214] WARNING: CPU: 3 PID: 2214 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) 
| [  182.250827][ T2214] Modules linked in: vxlan
| [  182.251818][ T2214] Tainted: [W]=WARN
[  182.252091][ T2214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 182.252506][ T2214] 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) 
[ 182.252856][ T2214] 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
[  182.254023][ T2214] RSP: 0018:ffffc90004886ef0 EFLAGS: 00010246
[  182.254439][ T2214] RAX: 0000000000000000 RBX: ffff88800dcf2000 RCX: 0000000000000001
[  182.254946][ T2214] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  182.255442][ T2214] RBP: ffffc90004886fd8 R08: 0000000000000000 R09: 0000000000000000
[  182.255941][ T2214] R10: ffffc90004887008 R11: ffffffffafcceab8 R12: 1ffff92000910de2
[  182.256431][ T2214] R13: 0000000000000596 R14: ffffc90004887008 R15: ffff88800dcf2f48
[  182.256930][ T2214] FS:  00007fd70e16c800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  182.257503][ T2214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  182.257924][ T2214] CR2: 00000000004e6898 CR3: 000000001a556003 CR4: 0000000000772ef0
[  182.258417][ T2214] PKRU: 55555554
[  182.258672][ T2214] Call Trace:
[  182.258915][ T2214]  <TASK>
[ 182.259092][ T2214] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 182.259428][ T2214] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 182.259769][ T2214] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 182.260177][ T2214] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 182.260509][ T2214] netif_set_mtu (net/core/dev.c:9652) 
[ 182.260861][ T2214] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 182.261196][ T2214] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 182.261625][ T2214] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 182.261875][ T2214] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 182.262207][ T2214] br_add_if (net/bridge/br_if.c:697) 
[ 182.262463][ T2214] do_set_master (net/core/rtnetlink.c:2948) 
[ 182.262799][ T2214] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 182.263131][ T2214] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 182.263462][ T2214] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 182.263895][ T2214] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 182.264221][ T2214] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 182.264545][ T2214] ? __kernel_text_address (kernel/extable.c:79) 
[ 182.264884][ T2214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.265225][ T2214] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 182.265566][ T2214] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 182.265971][ T2214] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 182.266312][ T2214] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 182.266649][ T2214] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 182.266975][ T2214] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 182.267307][ T2214] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.267642][ T2214] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 182.267964][ T2214] ? __create_object (mm/kmemleak.c:771) 
[ 182.268290][ T2214] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 182.268631][ T2214] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 182.268965][ T2214] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 182.269367][ T2214] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 182.269709][ T2214] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 182.270039][ T2214] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 182.270364][ T2214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.270706][ T2214] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.271032][ T2214] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 182.271363][ T2214] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 182.271700][ T2214] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 182.272026][ T2214] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 182.272353][ T2214] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 182.272694][ T2214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.273027][ T2214] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 182.273354][ T2214] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 182.273689][ T2214] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 182.274035][ T2214] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 182.274360][ T2214] ? 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) 
[ 182.274693][ T2214] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 182.275021][ T2214] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 182.275353][ T2214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.275692][ T2214] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 182.276022][ T2214] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 182.276356][ T2214] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 182.276704][ T2214] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 182.277035][ T2214] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 182.277358][ T2214] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 182.277787][ T2214] ___sys_sendmsg (net/socket.c:2670) 
[ 182.278115][ T2214] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 182.278439][ T2214] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 182.278862][ T2214] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 182.279194][ T2214] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.279523][ T2214] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 182.279866][ T2214] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 182.280191][ T2214] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 182.280516][ T2214] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 182.280860][ T2214] __sys_sendmsg (net/socket.c:2700) 
[ 182.281189][ T2214] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 182.281601][ T2214] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 182.281942][ T2214] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 182.282271][ T2214] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 182.282609][ T2214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  182.283013][ T2214] RIP: 0033:0x7fd70e3391e7
[ 182.283354][ T2214] 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)
[  182.284528][ T2214] RSP: 002b:00007ffc22bde8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  182.285032][ T2214] RAX: ffffffffffffffda RBX: 00007ffc22bdf030 RCX: 00007fd70e3391e7
[  182.285530][ T2214] RDX: 0000000000000000 RSI: 00007ffc22bde960 RDI: 0000000000000005
[  182.286032][ T2214] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  182.286523][ T2214] R10: 0000000029657910 R11: 0000000000000246 R12: 0000000000000003
[  182.287018][ T2214] R13: 00000000686e2753 R14: 0000000000499600 R15: 0000000000000000
| [  186.864303][   T12] ------------[ cut here ]------------
| [ 186.864676][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  186.865238][   T12] Modules linked in: vxlan
| [  186.866290][   T12] Tainted: [W]=WARN
[  186.866533][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.866941][   T12] Workqueue: netns cleanup_net
[ 186.867263][ T12] 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) 
[ 186.867603][ T12] 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
[  186.868741][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  186.869135][   T12] RAX: 0000000000000000 RBX: ffff88800dcf2000 RCX: 0000000000000001
[  186.869618][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  186.870095][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  186.870576][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  186.871049][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800dcf2f48
[  186.871522][   T12] FS:  0000000000000000(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  186.872257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  186.872953][   T12] CR2: 00007f96c57c5000 CR3: 0000000014d4a001 CR4: 0000000000772ef0
[  186.873426][   T12] PKRU: 55555554
[  186.873807][   T12] Call Trace:
[  186.874039][   T12]  <TASK>
[ 186.874194][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 186.874502][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 186.875062][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 186.875308][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 186.875800][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 186.876105][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 186.876420][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 186.876855][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 186.877234][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 186.877536][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 186.877847][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 186.878151][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 186.878454][ T12] ? kthread (kernel/kthread.c:464) 
[ 186.878694][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 186.879005][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 186.879328][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 186.879648][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 186.879970][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 186.880205][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 186.880517][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 186.880757][ T12] br_device_event (net/bridge/br.c:141) 
[ 186.881061][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 186.881375][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 186.881699][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 186.882085][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 186.882480][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 186.882875][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 186.883204][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 186.883616][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 186.884028][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 186.884346][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 186.884752][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 186.885068][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 186.885469][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 186.885864][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 186.886256][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 186.886663][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 186.886976][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 186.887373][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 186.887699][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 186.888016][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 186.888336][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 186.888658][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 186.888978][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.889297][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 186.889626][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 186.889950][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 186.890269][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 186.890602][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 186.890914][ T12] kthread (kernel/kthread.c:464) 
[ 186.891156][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 186.891465][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 186.891785][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 186.892103][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.892416][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 186.892734][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 186.893043][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 186.893346][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  186.922720][   T12] ------------[ cut here ]------------
| [ 186.923049][ T12] WARNING: CPU: 3 PID: 12 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) 
| [  186.924431][   T12] Modules linked in: vxlan
| [  186.925531][   T12] Tainted: [W]=WARN
[  186.925787][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.926195][   T12] Workqueue: netns cleanup_net
[ 186.926539][ T12] 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) 
[ 186.926889][ T12] 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
[  186.928058][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  186.928467][   T12] RAX: 0000000000000000 RBX: ffff888002c72000 RCX: 0000000000000001
[  186.928957][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  186.929448][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  186.929951][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  186.930439][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff888002c72f48
[  186.930937][   T12] FS:  0000000000000000(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  186.931509][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  186.931930][   T12] CR2: 00007f8ed4f4f2a8 CR3: 000000001a7d1004 CR4: 0000000000772ef0
[  186.932421][   T12] PKRU: 55555554
[  186.932675][   T12] Call Trace:
[  186.932919][   T12]  <TASK>
[ 186.933084][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 186.933412][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 186.933832][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 186.934086][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 186.934406][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 186.934733][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 186.935057][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 186.935458][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 186.935860][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 186.936176][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 186.936500][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 186.936825][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 186.937143][ T12] ? kthread (kernel/kthread.c:464) 
[ 186.937382][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 186.937711][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 186.938044][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 186.938362][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 186.938710][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 186.938959][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 186.939283][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 186.939525][ T12] br_device_event (net/bridge/br.c:141) 
[ 186.939856][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 186.940184][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 186.940507][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 186.940920][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 186.941343][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 186.941758][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 186.942096][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 186.942505][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 186.942935][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 186.943263][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 186.943678][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 186.944002][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 186.944398][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 186.944798][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 186.945202][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 186.945621][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 186.945950][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 186.946356][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 186.946689][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 186.947004][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 186.947331][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 186.947659][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 186.947980][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.948302][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 186.948643][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 186.948970][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 186.949294][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 186.949637][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 186.949959][ T12] kthread (kernel/kthread.c:464) 
[ 186.950199][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 186.950515][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 186.950840][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 186.951166][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 186.951484][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 186.951811][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 186.952127][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 186.952445][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  209.694230][ T2460] ------------[ cut here ]------------
| [ 209.694542][ T2460] WARNING: CPU: 3 PID: 2460 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) 
| [  209.695178][ T2460] Modules linked in: vxlan
| [  209.696141][ T2460] Tainted: [W]=WARN
[  209.696375][ T2460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 209.696769][ T2460] 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) 
[ 209.697087][ T2460] 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
[  209.698204][ T2460] RSP: 0018:ffffc90005266ef0 EFLAGS: 00010246
[  209.698611][ T2460] RAX: 0000000000000000 RBX: ffff88800e112000 RCX: 0000000000000001
[  209.699075][ T2460] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  209.699538][ T2460] RBP: ffffc90005266fd8 R08: 0000000000000000 R09: 0000000000000000
[  209.700009][ T2460] R10: ffffc90005267008 R11: ffffffffaf38d1e0 R12: 1ffff92000a4cde2
[  209.700474][ T2460] R13: 00000000000005dc R14: ffffc90005267008 R15: ffff88800e112f48
[  209.700951][ T2460] FS:  00007ff04044d800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  209.701497][ T2460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  209.701899][ T2460] CR2: 00000000004e6890 CR3: 0000000018317001 CR4: 0000000000772ef0
[  209.702367][ T2460] PKRU: 55555554
[  209.702611][ T2460] Call Trace:
[  209.702842][ T2460]  <TASK>
[ 209.703003][ T2460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 209.703313][ T2460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 209.703651][ T2460] netif_set_mtu (net/core/dev.c:9652) 
[ 209.703961][ T2460] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 209.704294][ T2460] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 209.704529][ T2460] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 209.704856][ T2460] br_add_if (net/bridge/br_if.c:697) 
[ 209.705102][ T2460] do_set_master (net/core/rtnetlink.c:2948) 
[ 209.705425][ T2460] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 209.705744][ T2460] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 209.706057][ T2460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 209.706451][ T2460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 209.706769][ T2460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 209.707077][ T2460] ? __kernel_text_address (kernel/extable.c:79) 
[ 209.707388][ T2460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 209.707707][ T2460] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 209.708019][ T2460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 209.708401][ T2460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 209.708726][ T2460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 209.709032][ T2460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 209.709341][ T2460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 209.709676][ T2460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 209.709986][ T2460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 209.710291][ T2460] ? __create_object (mm/kmemleak.c:771) 
[ 209.710619][ T2460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 209.710928][ T2460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 209.711242][ T2460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 209.711634][ T2460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 209.711949][ T2460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 209.712261][ T2460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 209.712581][ T2460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 209.712894][ T2460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 209.713202][ T2460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 209.713506][ T2460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 209.713830][ T2460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 209.714138][ T2460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 209.714445][ T2460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 209.714768][ T2460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 209.715082][ T2460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 209.715400][ T2460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 209.715720][ T2460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 209.716041][ T2460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 209.716348][ T2460] ? 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) 
[ 209.716667][ T2460] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 209.716983][ T2460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 209.717291][ T2460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 209.717616][ T2460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 209.717934][ T2460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 209.718247][ T2460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 209.718573][ T2460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 209.718886][ T2460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 209.719192][ T2460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 209.719599][ T2460] ___sys_sendmsg (net/socket.c:2670) 
[ 209.719907][ T2460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 209.720214][ T2460] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 209.720619][ T2460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 209.720930][ T2460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 209.721244][ T2460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 209.721567][ T2460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 209.721878][ T2460] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 209.722188][ T2460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 209.722502][ T2460] __sys_sendmsg (net/socket.c:2700) 
[ 209.722818][ T2460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 209.723214][ T2460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 209.723535][ T2460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 209.723854][ T2460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 209.724168][ T2460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  209.724558][ T2460] RIP: 0033:0x7ff04061a1e7
[ 209.724876][ T2460] 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)
[  209.725997][ T2460] RSP: 002b:00007ffc198781b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  209.726459][ T2460] RAX: ffffffffffffffda RBX: 00007ffc198788f0 RCX: 00007ff04061a1e7
[  209.726933][ T2460] RDX: 0000000000000000 RSI: 00007ffc19878220 RDI: 0000000000000005
[  209.727398][ T2460] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  209.727870][ T2460] R10: 0000000023f3b910 R11: 0000000000000246 R12: 0000000000000003
[  209.728334][ T2460] R13: 00000000686e276f R14: 0000000000499600 R15: 0000000000000000
| [  211.280686][ T2486] ------------[ cut here ]------------
| [ 211.280992][ T2486] WARNING: CPU: 3 PID: 2486 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) 
| [  211.281653][ T2486] Modules linked in: vxlan
| [  211.282610][ T2486] Tainted: [W]=WARN
[  211.282844][ T2486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 211.283231][ T2486] 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) 
[ 211.283559][ T2486] 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
[  211.284676][ T2486] RSP: 0018:ffffc90005376ef0 EFLAGS: 00010246
[  211.285068][ T2486] RAX: 0000000000000000 RBX: ffff88800e112000 RCX: 0000000000000001
[  211.285540][ T2486] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  211.286043][ T2486] RBP: ffffc90005376fd8 R08: 0000000000000000 R09: 0000000000000000
[  211.286503][ T2486] R10: ffffc90005377008 R11: ffffffffafcceab8 R12: 1ffff92000a6ede2
[  211.286972][ T2486] R13: 00000000000005aa R14: ffffc90005377008 R15: ffff88800e112f48
[  211.287432][ T2486] FS:  00007f36e54f5800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  211.287988][ T2486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  211.288378][ T2486] CR2: 00000000004e6890 CR3: 0000000019247004 CR4: 0000000000772ef0
[  211.288856][ T2486] PKRU: 55555554
[  211.289087][ T2486] Call Trace:
[  211.289315][ T2486]  <TASK>
[ 211.289474][ T2486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 211.289825][ T2486] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 211.290143][ T2486] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 211.290526][ T2486] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 211.290852][ T2486] netif_set_mtu (net/core/dev.c:9652) 
[ 211.291163][ T2486] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 211.291481][ T2486] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 211.291879][ T2486] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 211.292113][ T2486] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 211.292432][ T2486] br_add_if (net/bridge/br_if.c:697) 
[ 211.292685][ T2486] do_set_master (net/core/rtnetlink.c:2948) 
[ 211.292993][ T2486] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 211.293305][ T2486] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 211.293653][ T2486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 211.294048][ T2486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 211.294355][ T2486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 211.294696][ T2486] ? __kernel_text_address (kernel/extable.c:79) 
[ 211.295008][ T2486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.295327][ T2486] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 211.295647][ T2486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 211.296029][ T2486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 211.296340][ T2486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 211.296657][ T2486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 211.296969][ T2486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 211.297277][ T2486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.297611][ T2486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 211.297928][ T2486] ? __create_object (mm/kmemleak.c:771) 
[ 211.298236][ T2486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 211.298559][ T2486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 211.298868][ T2486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 211.299251][ T2486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 211.299582][ T2486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 211.299896][ T2486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 211.300205][ T2486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.300521][ T2486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.300848][ T2486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 211.301155][ T2486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 211.301463][ T2486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 211.301805][ T2486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 211.302122][ T2486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 211.302434][ T2486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.302759][ T2486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 211.303068][ T2486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 211.303377][ T2486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 211.303706][ T2486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 211.304014][ T2486] ? 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) 
[ 211.304328][ T2486] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 211.304648][ T2486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 211.304955][ T2486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.305283][ T2486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 211.305630][ T2486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 211.305947][ T2486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 211.306263][ T2486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 211.306587][ T2486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 211.306893][ T2486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 211.307287][ T2486] ___sys_sendmsg (net/socket.c:2670) 
[ 211.307604][ T2486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 211.307910][ T2486] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 211.308295][ T2486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 211.308615][ T2486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.308930][ T2486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 211.309247][ T2486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 211.309565][ T2486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 211.309900][ T2486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 211.310217][ T2486] __sys_sendmsg (net/socket.c:2700) 
[ 211.310523][ T2486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 211.310915][ T2486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 211.311242][ T2486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 211.311562][ T2486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 211.311874][ T2486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  211.312258][ T2486] RIP: 0033:0x7f36e56c21e7
[ 211.312587][ T2486] 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)
[  211.313730][ T2486] RSP: 002b:00007fff3ed40408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  211.314197][ T2486] RAX: ffffffffffffffda RBX: 00007fff3ed40b40 RCX: 00007f36e56c21e7
[  211.314674][ T2486] RDX: 0000000000000000 RSI: 00007fff3ed40470 RDI: 0000000000000005
[  211.315137][ T2486] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  211.315621][ T2486] R10: 0000000004ef8910 R11: 0000000000000246 R12: 0000000000000003
[  211.316084][ T2486] R13: 00000000686e2770 R14: 0000000000499600 R15: 0000000000000000
| [  215.061320][ T2536] ------------[ cut here ]------------
| [ 215.061656][ T2536] WARNING: CPU: 2 PID: 2536 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) 
| [  215.062260][ T2536] Modules linked in: vxlan
| [  215.063212][ T2536] Tainted: [W]=WARN
[  215.063447][ T2536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 215.063862][ T2536] 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) 
[ 215.064190][ T2536] 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
[  215.065285][ T2536] RSP: 0018:ffffc90005346ef0 EFLAGS: 00010246
[  215.065687][ T2536] RAX: 0000000000000000 RBX: ffff888018092000 RCX: 0000000000000001
[  215.066150][ T2536] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  215.066618][ T2536] RBP: ffffc90005346fd8 R08: 0000000000000000 R09: 0000000000000000
[  215.067080][ T2536] R10: ffffc90005347008 R11: ffffffffaf38d1e0 R12: 1ffff92000a68de2
[  215.067544][ T2536] R13: 00000000000005dc R14: ffffc90005347008 R15: ffff888018092f48
[  215.068029][ T2536] FS:  00007f01d4990800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  215.068581][ T2536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  215.068971][ T2536] CR2: 00000000004e6898 CR3: 00000000181c4004 CR4: 0000000000772ef0
[  215.069438][ T2536] PKRU: 55555554
[  215.069693][ T2536] Call Trace:
[  215.069927][ T2536]  <TASK>
[ 215.070094][ T2536] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 215.070407][ T2536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.070739][ T2536] netif_set_mtu (net/core/dev.c:9652) 
[ 215.071051][ T2536] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 215.071373][ T2536] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 215.071634][ T2536] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 215.071953][ T2536] br_add_if (net/bridge/br_if.c:697) 
[ 215.072210][ T2536] do_set_master (net/core/rtnetlink.c:2948) 
[ 215.072522][ T2536] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 215.072851][ T2536] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 215.073165][ T2536] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 215.073567][ T2536] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 215.073881][ T2536] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 215.074191][ T2536] ? __kernel_text_address (kernel/extable.c:79) 
[ 215.074510][ T2536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.074838][ T2536] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 215.075151][ T2536] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 215.075540][ T2536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.075876][ T2536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.076188][ T2536] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 215.076497][ T2536] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 215.076830][ T2536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.077140][ T2536] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 215.077448][ T2536] ? __create_object (mm/kmemleak.c:771) 
[ 215.077772][ T2536] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 215.078082][ T2536] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 215.078392][ T2536] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 215.078781][ T2536] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 215.079102][ T2536] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 215.079415][ T2536] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.079750][ T2536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.080071][ T2536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.080380][ T2536] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 215.080699][ T2536] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.081009][ T2536] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 215.081316][ T2536] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 215.081646][ T2536] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.081959][ T2536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.082273][ T2536] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 215.082591][ T2536] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 215.082903][ T2536] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 215.083222][ T2536] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 215.083538][ T2536] ? 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) 
[ 215.083880][ T2536] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 215.084200][ T2536] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 215.084507][ T2536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.084833][ T2536] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 215.085144][ T2536] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 215.085463][ T2536] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 215.085793][ T2536] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 215.086111][ T2536] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 215.086428][ T2536] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 215.086840][ T2536] ___sys_sendmsg (net/socket.c:2670) 
[ 215.087151][ T2536] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 215.087461][ T2536] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 215.087866][ T2536] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 215.088184][ T2536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.088503][ T2536] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 215.088832][ T2536] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 215.089142][ T2536] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 215.089451][ T2536] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 215.089781][ T2536] __sys_sendmsg (net/socket.c:2700) 
[ 215.090090][ T2536] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 215.090470][ T2536] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 215.090807][ T2536] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 215.091126][ T2536] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 215.091438][ T2536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  215.091837][ T2536] RIP: 0033:0x7f01d4b5d1e7
[ 215.092161][ T2536] 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)
[  215.093245][ T2536] RSP: 002b:00007fffa8b43ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  215.093719][ T2536] RAX: ffffffffffffffda RBX: 00007fffa8b44420 RCX: 00007f01d4b5d1e7
[  215.094176][ T2536] RDX: 0000000000000000 RSI: 00007fffa8b43d50 RDI: 0000000000000005
[  215.094643][ T2536] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  215.095101][ T2536] R10: 00000000355b0910 R11: 0000000000000246 R12: 0000000000000003
[  215.095594][ T2536] R13: 00000000686e2774 R14: 0000000000499600 R15: 0000000000000000
| [  216.698913][ T2562] ------------[ cut here ]------------
| [ 216.699295][ T2562] WARNING: CPU: 1 PID: 2562 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) 
| [  216.699889][ T2562] Modules linked in: vxlan
| [  216.700810][ T2562] Tainted: [W]=WARN
[  216.701036][ T2562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 216.701412][ T2562] 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) 
[ 216.701724][ T2562] 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
[  216.702791][ T2562] RSP: 0018:ffffc90005506ef0 EFLAGS: 00010246
[  216.703170][ T2562] RAX: 0000000000000000 RBX: ffff888018092000 RCX: 0000000000000001
[  216.703623][ T2562] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  216.704061][ T2562] RBP: ffffc90005506fd8 R08: 0000000000000000 R09: 0000000000000000
[  216.704498][ T2562] R10: ffffc90005507008 R11: ffffffffafcceab8 R12: 1ffff92000aa0de2
[  216.704944][ T2562] R13: 0000000000000596 R14: ffffc90005507008 R15: ffff888018092f48
[  216.705397][ T2562] FS:  00007f3ad9ebb800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[  216.705917][ T2562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  216.706291][ T2562] CR2: 00000000004e6898 CR3: 000000000a7d9001 CR4: 0000000000772ef0
[  216.706753][ T2562] PKRU: 55555554
[  216.706984][ T2562] Call Trace:
[  216.707206][ T2562]  <TASK>
[ 216.707365][ T2562] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 216.707675][ T2562] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 216.707975][ T2562] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 216.708347][ T2562] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 216.708652][ T2562] netif_set_mtu (net/core/dev.c:9652) 
[ 216.708947][ T2562] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 216.709253][ T2562] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 216.709656][ T2562] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 216.709883][ T2562] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 216.710181][ T2562] br_add_if (net/bridge/br_if.c:697) 
[ 216.710416][ T2562] do_set_master (net/core/rtnetlink.c:2948) 
[ 216.710730][ T2562] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 216.711038][ T2562] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 216.711339][ T2562] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 216.711724][ T2562] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 216.712017][ T2562] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 216.712308][ T2562] ? __kernel_text_address (kernel/extable.c:79) 
[ 216.712611][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.712909][ T2562] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 216.713203][ T2562] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 216.713578][ T2562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.713881][ T2562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.714172][ T2562] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 216.714464][ T2562] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 216.714779][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.715080][ T2562] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 216.715381][ T2562] ? __create_object (mm/kmemleak.c:771) 
[ 216.715686][ T2562] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 216.715982][ T2562] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 216.716286][ T2562] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 216.716656][ T2562] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 216.716959][ T2562] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 216.717258][ T2562] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 216.717564][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.717866][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.718161][ T2562] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 216.718461][ T2562] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 216.718779][ T2562] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 216.719082][ T2562] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 216.719379][ T2562] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 216.719688][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.719989][ T2562] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 216.720286][ T2562] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 216.720590][ T2562] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 216.720904][ T2562] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 216.721196][ T2562] ? 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) 
[ 216.721491][ T2562] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 216.721797][ T2562] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 216.722093][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.722391][ T2562] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 216.722745][ T2562] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 216.723050][ T2562] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 216.723351][ T2562] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 216.723663][ T2562] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 216.723959][ T2562] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 216.724341][ T2562] ___sys_sendmsg (net/socket.c:2670) 
[ 216.724643][ T2562] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 216.724937][ T2562] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 216.725322][ T2562] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 216.725629][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.725925][ T2562] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 216.726224][ T2562] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 216.726520][ T2562] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 216.726835][ T2562] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 216.727148][ T2562] __sys_sendmsg (net/socket.c:2700) 
[ 216.727448][ T2562] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 216.727825][ T2562] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 216.728133][ T2562] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 216.728427][ T2562] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 216.728732][ T2562] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  216.729097][ T2562] RIP: 0033:0x7f3ada0881e7
[ 216.729399][ T2562] 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)
[  216.730469][ T2562] RSP: 002b:00007ffebef7c378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  216.730932][ T2562] RAX: ffffffffffffffda RBX: 00007ffebef7cab0 RCX: 00007f3ada0881e7
[  216.731374][ T2562] RDX: 0000000000000000 RSI: 00007ffebef7c3e0 RDI: 0000000000000005
[  216.731837][ T2562] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  216.732276][ T2562] R10: 000000002c50e910 R11: 0000000000000246 R12: 0000000000000003
[  216.732726][ T2562] R13: 00000000686e2776 R14: 0000000000499600 R15: 0000000000000000
| [  220.397280][ T2613] ------------[ cut here ]------------
| [ 220.397604][ T2613] WARNING: CPU: 3 PID: 2613 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) 
| [  220.398222][ T2613] Modules linked in: vxlan
| [  220.399182][ T2613] Tainted: [W]=WARN
[  220.399418][ T2613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 220.399817][ T2613] 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) 
[ 220.400140][ T2613] 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
[  220.401258][ T2613] RSP: 0018:ffffc90005656ef0 EFLAGS: 00010246
[  220.401665][ T2613] RAX: 0000000000000000 RBX: ffff888019312000 RCX: 0000000000000001
[  220.402135][ T2613] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  220.402611][ T2613] RBP: ffffc90005656fd8 R08: 0000000000000000 R09: 0000000000000000
[  220.403077][ T2613] R10: ffffc90005657008 R11: ffffffffaf38d1e0 R12: 1ffff92000acade2
[  220.403579][ T2613] R13: 00000000000005dc R14: ffffc90005657008 R15: ffff888019312f48
[  220.404050][ T2613] FS:  00007f91fce02800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  220.404610][ T2613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  220.405004][ T2613] CR2: 00000000004e68a0 CR3: 000000000b45b006 CR4: 0000000000772ef0
[  220.405483][ T2613] PKRU: 55555554
[  220.405729][ T2613] Call Trace:
[  220.405963][ T2613]  <TASK>
[ 220.406124][ T2613] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 220.406435][ T2613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.406771][ T2613] netif_set_mtu (net/core/dev.c:9652) 
[ 220.407082][ T2613] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 220.407408][ T2613] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 220.407662][ T2613] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 220.407980][ T2613] br_add_if (net/bridge/br_if.c:697) 
[ 220.408225][ T2613] do_set_master (net/core/rtnetlink.c:2948) 
[ 220.408536][ T2613] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 220.408862][ T2613] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 220.409176][ T2613] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 220.409578][ T2613] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 220.409896][ T2613] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 220.410202][ T2613] ? __kernel_text_address (kernel/extable.c:79) 
[ 220.410512][ T2613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.410838][ T2613] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 220.411152][ T2613] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 220.411537][ T2613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.411863][ T2613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.412175][ T2613] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 220.412484][ T2613] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 220.412806][ T2613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.413120][ T2613] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 220.413427][ T2613] ? __create_object (mm/kmemleak.c:771) 
[ 220.413752][ T2613] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 220.414064][ T2613] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 220.414377][ T2613] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 220.414777][ T2613] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 220.415098][ T2613] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 220.415421][ T2613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 220.415740][ T2613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.416058][ T2613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.416372][ T2613] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 220.416692][ T2613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 220.417009][ T2613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 220.417327][ T2613] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 220.417660][ T2613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 220.417977][ T2613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.418293][ T2613] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 220.418615][ T2613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 220.418925][ T2613] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 220.419245][ T2613] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 220.419567][ T2613] ? 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) 
[ 220.419882][ T2613] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 220.420195][ T2613] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 220.420503][ T2613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.420844][ T2613] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 220.421159][ T2613] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 220.421468][ T2613] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 220.421803][ T2613] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 220.422115][ T2613] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 220.422422][ T2613] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 220.422829][ T2613] ___sys_sendmsg (net/socket.c:2670) 
[ 220.423138][ T2613] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 220.423447][ T2613] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 220.423844][ T2613] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 220.424162][ T2613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.424477][ T2613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 220.424807][ T2613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 220.425119][ T2613] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 220.425436][ T2613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 220.425763][ T2613] __sys_sendmsg (net/socket.c:2700) 
[ 220.426073][ T2613] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 220.426461][ T2613] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 220.426792][ T2613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 220.427106][ T2613] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 220.427421][ T2613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  220.427812][ T2613] RIP: 0033:0x7f91fcfcf1e7
[ 220.428132][ T2613] 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)
[  220.429254][ T2613] RSP: 002b:00007ffc96140f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  220.429734][ T2613] RAX: ffffffffffffffda RBX: 00007ffc961416c0 RCX: 00007f91fcfcf1e7
[  220.430198][ T2613] RDX: 0000000000000000 RSI: 00007ffc96140ff0 RDI: 0000000000000005
[  220.430673][ T2613] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  220.431167][ T2613] R10: 0000000019f33910 R11: 0000000000000246 R12: 0000000000000003
[  220.431645][ T2613] R13: 00000000686e2779 R14: 0000000000499600 R15: 0000000000000000
| [  222.018618][ T2639] ------------[ cut here ]------------
| [ 222.018930][ T2639] WARNING: CPU: 3 PID: 2639 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) 
| [  222.020661][ T2639] Modules linked in: vxlan
| [  222.021617][ T2639] Tainted: [W]=WARN
[  222.021853][ T2639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 222.022241][ T2639] 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) 
[ 222.022575][ T2639] 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
[  222.023697][ T2639] RSP: 0018:ffffc90005776ef0 EFLAGS: 00010246
[  222.024100][ T2639] RAX: 0000000000000000 RBX: ffff888019312000 RCX: 0000000000000001
[  222.024577][ T2639] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  222.025043][ T2639] RBP: ffffc90005776fd8 R08: 0000000000000000 R09: 0000000000000000
[  222.025511][ T2639] R10: ffffc90005777008 R11: ffffffffaf38d1e0 R12: 1ffff92000aeede2
[  222.025977][ T2639] R13: 00000000000005aa R14: ffffc90005777008 R15: ffff888019312f48
[  222.026442][ T2639] FS:  00007f9fe6898800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  222.026995][ T2639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  222.027386][ T2639] CR2: 00000000004e68a0 CR3: 000000001a5d2004 CR4: 0000000000772ef0
[  222.027864][ T2639] PKRU: 55555554
[  222.028095][ T2639] Call Trace:
[  222.028326][ T2639]  <TASK>
[ 222.028486][ T2639] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 222.028814][ T2639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.029137][ T2639] netif_set_mtu (net/core/dev.c:9652) 
[ 222.029442][ T2639] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 222.029775][ T2639] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 222.030010][ T2639] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 222.030325][ T2639] br_add_if (net/bridge/br_if.c:697) 
[ 222.030582][ T2639] do_set_master (net/core/rtnetlink.c:2948) 
[ 222.030889][ T2639] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 222.031202][ T2639] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 222.031515][ T2639] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 222.031916][ T2639] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 222.032224][ T2639] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 222.032530][ T2639] ? __kernel_text_address (kernel/extable.c:79) 
[ 222.032850][ T2639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.033161][ T2639] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 222.033477][ T2639] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 222.033866][ T2639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.034176][ T2639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.034481][ T2639] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 222.034794][ T2639] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 222.035107][ T2639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.035422][ T2639] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 222.035739][ T2639] ? __create_object (mm/kmemleak.c:771) 
[ 222.036050][ T2639] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 222.036362][ T2639] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 222.036696][ T2639] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 222.037082][ T2639] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 222.037399][ T2639] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 222.037721][ T2639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.038029][ T2639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.038348][ T2639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.038663][ T2639] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 222.038970][ T2639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.039282][ T2639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 222.039599][ T2639] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 222.039910][ T2639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.040223][ T2639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.040539][ T2639] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 222.040866][ T2639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 222.041177][ T2639] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 222.041498][ T2639] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 222.041813][ T2639] ? 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) 
[ 222.042127][ T2639] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 222.042437][ T2639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 222.042758][ T2639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.043073][ T2639] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 222.043386][ T2639] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 222.043705][ T2639] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 222.044020][ T2639] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 222.044332][ T2639] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 222.044651][ T2639] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 222.045050][ T2639] ___sys_sendmsg (net/socket.c:2670) 
[ 222.045365][ T2639] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 222.045684][ T2639] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 222.046072][ T2639] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 222.046385][ T2639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.046709][ T2639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 222.047028][ T2639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 222.047339][ T2639] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 222.047660][ T2639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 222.047983][ T2639] __sys_sendmsg (net/socket.c:2700) 
[ 222.048291][ T2639] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 222.048684][ T2639] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 222.049006][ T2639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 222.049317][ T2639] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 222.049639][ T2639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  222.050028][ T2639] RIP: 0033:0x7f9fe6a651e7
[ 222.050349][ T2639] 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)
[  222.051489][ T2639] RSP: 002b:00007ffe4b8de8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  222.051965][ T2639] RAX: ffffffffffffffda RBX: 00007ffe4b8defe0 RCX: 00007f9fe6a651e7
[  222.052438][ T2639] RDX: 0000000000000000 RSI: 00007ffe4b8de910 RDI: 0000000000000005
[  222.052912][ T2639] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  222.053380][ T2639] R10: 0000000008155910 R11: 0000000000000246 R12: 0000000000000003
[  222.053857][ T2639] R13: 00000000686e277b R14: 0000000000499600 R15: 0000000000000000
| [  223.842645][ T2665] ------------[ cut here ]------------
| [ 223.842958][ T2665] WARNING: CPU: 3 PID: 2665 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) 
| [  223.844402][ T2665] Modules linked in: vxlan
| [  223.845364][ T2665] Tainted: [W]=WARN
[  223.845608][ T2665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 223.845999][ T2665] 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) 
[ 223.846317][ T2665] 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
[  223.847451][ T2665] RSP: 0018:ffffc90005816ef0 EFLAGS: 00010246
[  223.847854][ T2665] RAX: 0000000000000000 RBX: ffff888019312000 RCX: 0000000000000001
[  223.848317][ T2665] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  223.848788][ T2665] RBP: ffffc90005816fd8 R08: 0000000000000000 R09: 0000000000000000
[  223.849251][ T2665] R10: ffffc90005817008 R11: ffffffffaf38d1e0 R12: 1ffff92000b02de2
[  223.849728][ T2665] R13: 0000000000000596 R14: ffffc90005817008 R15: ffff888019312f48
[  223.850195][ T2665] FS:  00007f0351f86800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  223.850746][ T2665] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  223.851136][ T2665] CR2: 00000000004e68a0 CR3: 000000000924d006 CR4: 0000000000772ef0
[  223.851618][ T2665] PKRU: 55555554
[  223.851852][ T2665] Call Trace:
[  223.852082][ T2665]  <TASK>
[ 223.852244][ T2665] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 223.852562][ T2665] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.852882][ T2665] netif_set_mtu (net/core/dev.c:9652) 
[ 223.853189][ T2665] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 223.853511][ T2665] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 223.853759][ T2665] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 223.854071][ T2665] br_add_if (net/bridge/br_if.c:697) 
[ 223.854318][ T2665] do_set_master (net/core/rtnetlink.c:2948) 
[ 223.854637][ T2665] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 223.854947][ T2665] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 223.855265][ T2665] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 223.855674][ T2665] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 223.855984][ T2665] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 223.856292][ T2665] ? __kernel_text_address (kernel/extable.c:79) 
[ 223.856613][ T2665] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.856925][ T2665] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 223.857232][ T2665] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 223.857622][ T2665] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.857931][ T2665] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.858238][ T2665] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 223.858585][ T2665] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 223.858896][ T2665] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.859202][ T2665] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 223.859507][ T2665] ? __create_object (mm/kmemleak.c:771) 
[ 223.859832][ T2665] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 223.860144][ T2665] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 223.860457][ T2665] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 223.860853][ T2665] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 223.861168][ T2665] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 223.861481][ T2665] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 223.861800][ T2665] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.862115][ T2665] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.862433][ T2665] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 223.862750][ T2665] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 223.863061][ T2665] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 223.863373][ T2665] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 223.863704][ T2665] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 223.864032][ T2665] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.864346][ T2665] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 223.864688][ T2665] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 223.865001][ T2665] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 223.865327][ T2665] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 223.865649][ T2665] ? 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) 
[ 223.865961][ T2665] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 223.866273][ T2665] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 223.866597][ T2665] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.866909][ T2665] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 223.867219][ T2665] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 223.867527][ T2665] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 223.867857][ T2665] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 223.868166][ T2665] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 223.868473][ T2665] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 223.868879][ T2665] ___sys_sendmsg (net/socket.c:2670) 
[ 223.869182][ T2665] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 223.869493][ T2665] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 223.869883][ T2665] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 223.870200][ T2665] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.870509][ T2665] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 223.870838][ T2665] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 223.871147][ T2665] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 223.871453][ T2665] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 223.871779][ T2665] __sys_sendmsg (net/socket.c:2700) 
[ 223.872085][ T2665] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 223.872466][ T2665] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 223.872806][ T2665] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 223.873117][ T2665] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 223.873431][ T2665] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  223.873820][ T2665] RIP: 0033:0x7f03521531e7
[ 223.874137][ T2665] 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)
[  223.875263][ T2665] RSP: 002b:00007ffcb47c9218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  223.875735][ T2665] RAX: ffffffffffffffda RBX: 00007ffcb47c9950 RCX: 00007f03521531e7
[  223.876196][ T2665] RDX: 0000000000000000 RSI: 00007ffcb47c9280 RDI: 0000000000000005
[  223.876664][ T2665] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  223.877135][ T2665] R10: 0000000029120910 R11: 0000000000000246 R12: 0000000000000003
[  223.877607][ T2665] R13: 00000000686e277d R14: 0000000000499600 R15: 0000000000000000
| [  225.759352][ T2691] ------------[ cut here ]------------
| [ 225.759678][ T2691] WARNING: CPU: 3 PID: 2691 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) 
| [  225.760293][ T2691] Modules linked in: vxlan
| [  225.761258][ T2691] Tainted: [W]=WARN
[  225.761493][ T2691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 225.761891][ T2691] 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) 
[ 225.762212][ T2691] 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
[  225.763329][ T2691] RSP: 0018:ffffc90005896ef0 EFLAGS: 00010246
[  225.763739][ T2691] RAX: 0000000000000000 RBX: ffff888019312000 RCX: 0000000000000001
[  225.764210][ T2691] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  225.764687][ T2691] RBP: ffffc90005896fd8 R08: 0000000000000000 R09: 0000000000000000
[  225.765154][ T2691] R10: ffffc90005897008 R11: ffffffffafcceab8 R12: 1ffff92000b12de2
[  225.765638][ T2691] R13: 0000000000000596 R14: ffffc90005897008 R15: ffff888019312f48
[  225.766104][ T2691] FS:  00007f14e072e800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  225.766656][ T2691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  225.767043][ T2691] CR2: 00000000004e68a0 CR3: 000000001a36e003 CR4: 0000000000772ef0
[  225.767508][ T2691] PKRU: 55555554
[  225.767755][ T2691] Call Trace:
[  225.767985][ T2691]  <TASK>
[ 225.768145][ T2691] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 225.768464][ T2691] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 225.768794][ T2691] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 225.769178][ T2691] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 225.769491][ T2691] netif_set_mtu (net/core/dev.c:9652) 
[ 225.769826][ T2691] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 225.770146][ T2691] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 225.770537][ T2691] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 225.770783][ T2691] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 225.771103][ T2691] br_add_if (net/bridge/br_if.c:697) 
[ 225.771347][ T2691] do_set_master (net/core/rtnetlink.c:2948) 
[ 225.771673][ T2691] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 225.771986][ T2691] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 225.772299][ T2691] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 225.772705][ T2691] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 225.773014][ T2691] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 225.773325][ T2691] ? __kernel_text_address (kernel/extable.c:79) 
[ 225.773647][ T2691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.773960][ T2691] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 225.774270][ T2691] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 225.774664][ T2691] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 225.774976][ T2691] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 225.775290][ T2691] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 225.775615][ T2691] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 225.775926][ T2691] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.776235][ T2691] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 225.776540][ T2691] ? __create_object (mm/kmemleak.c:771) 
[ 225.776862][ T2691] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 225.777174][ T2691] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 225.777483][ T2691] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 225.777887][ T2691] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 225.778207][ T2691] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 225.778522][ T2691] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 225.778842][ T2691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.779156][ T2691] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.779465][ T2691] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 225.779781][ T2691] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 225.780091][ T2691] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 225.780405][ T2691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 225.780727][ T2691] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 225.781043][ T2691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.781357][ T2691] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 225.781680][ T2691] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 225.781991][ T2691] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 225.782312][ T2691] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 225.782637][ T2691] ? 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) 
[ 225.782949][ T2691] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 225.783261][ T2691] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 225.783579][ T2691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.783893][ T2691] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 225.784203][ T2691] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 225.784513][ T2691] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 225.784841][ T2691] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 225.785156][ T2691] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 225.785470][ T2691] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 225.785879][ T2691] ___sys_sendmsg (net/socket.c:2670) 
[ 225.786210][ T2691] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 225.786517][ T2691] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 225.786916][ T2691] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 225.787233][ T2691] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.787556][ T2691] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 225.787887][ T2691] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 225.788194][ T2691] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 225.788501][ T2691] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 225.788835][ T2691] __sys_sendmsg (net/socket.c:2700) 
[ 225.789143][ T2691] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 225.789526][ T2691] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 225.789867][ T2691] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 225.790181][ T2691] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 225.790490][ T2691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  225.790885][ T2691] RIP: 0033:0x7f14e08fb1e7
[ 225.791206][ T2691] 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)
[  225.792320][ T2691] RSP: 002b:00007ffe4b8e22b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  225.792796][ T2691] RAX: ffffffffffffffda RBX: 00007ffe4b8e29f0 RCX: 00007f14e08fb1e7
[  225.793261][ T2691] RDX: 0000000000000000 RSI: 00007ffe4b8e2320 RDI: 0000000000000005
[  225.793733][ T2691] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  225.794197][ T2691] R10: 000000003e68e910 R11: 0000000000000246 R12: 0000000000000003
[  225.794678][ T2691] R13: 00000000686e277f R14: 0000000000499600 R15: 0000000000000000
| [  227.594066][ T2716] ------------[ cut here ]------------
| [ 227.594374][ T2716] WARNING: CPU: 3 PID: 2716 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) 
| [  227.595010][ T2716] Modules linked in: vxlan
| [  227.595977][ T2716] Tainted: [W]=WARN
[  227.596213][ T2716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 227.596612][ T2716] 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) 
[ 227.596946][ T2716] 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
[  227.598059][ T2716] RSP: 0018:ffffc90005996ef0 EFLAGS: 00010246
[  227.598450][ T2716] RAX: 0000000000000000 RBX: ffff88800b02a000 RCX: 0000000000000001
[  227.598958][ T2716] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  227.599425][ T2716] RBP: ffffc90005996fd8 R08: 0000000000000000 R09: 0000000000000000
[  227.599894][ T2716] R10: ffffc90005997008 R11: ffffffffaf38d1e0 R12: 1ffff92000b32de2
[  227.600356][ T2716] R13: 00000000000005dc R14: ffffc90005997008 R15: ffff88800b02af48
[  227.600844][ T2716] FS:  00007fb1ae8bd800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  227.601394][ T2716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  227.601939][ T2716] CR2: 00000000004e6890 CR3: 000000000dc6c001 CR4: 0000000000772ef0
[  227.602406][ T2716] PKRU: 55555554
[  227.602810][ T2716] Call Trace:
[  227.603044][ T2716]  <TASK>
[ 227.603204][ T2716] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 227.603519][ T2716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.603981][ T2716] netif_set_mtu (net/core/dev.c:9652) 
[ 227.604291][ T2716] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 227.604667][ T2716] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 227.604903][ T2716] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 227.605222][ T2716] br_add_if (net/bridge/br_if.c:697) 
[ 227.605473][ T2716] do_set_master (net/core/rtnetlink.c:2948) 
[ 227.605792][ T2716] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 227.606110][ T2716] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 227.606422][ T2716] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 227.606823][ T2716] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 227.607130][ T2716] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 227.607436][ T2716] ? __kernel_text_address (kernel/extable.c:79) 
[ 227.607757][ T2716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.608069][ T2716] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 227.608381][ T2716] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 227.608789][ T2716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.609104][ T2716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.609411][ T2716] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 227.609730][ T2716] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 227.610040][ T2716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.610349][ T2716] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 227.610673][ T2716] ? __create_object (mm/kmemleak.c:771) 
[ 227.610988][ T2716] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 227.611298][ T2716] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 227.611617][ T2716] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 227.612001][ T2716] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 227.612315][ T2716] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 227.612652][ T2716] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 227.612971][ T2716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.613289][ T2716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.613608][ T2716] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 227.613918][ T2716] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 227.614229][ T2716] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 227.614535][ T2716] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 227.614856][ T2716] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 227.615170][ T2716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.615501][ T2716] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 227.615819][ T2716] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 227.616132][ T2716] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 227.616453][ T2716] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 227.616783][ T2716] ? 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) 
[ 227.617102][ T2716] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 227.617412][ T2716] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 227.617737][ T2716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.618051][ T2716] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 227.618362][ T2716] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 227.618680][ T2716] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 227.618993][ T2716] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 227.619303][ T2716] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 227.619618][ T2716] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 227.620024][ T2716] ___sys_sendmsg (net/socket.c:2670) 
[ 227.620333][ T2716] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 227.620663][ T2716] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 227.621050][ T2716] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 227.621364][ T2716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.621686][ T2716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 227.621999][ T2716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 227.622309][ T2716] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 227.622631][ T2716] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 227.622948][ T2716] __sys_sendmsg (net/socket.c:2700) 
[ 227.623254][ T2716] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 227.623645][ T2716] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 227.623969][ T2716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 227.624281][ T2716] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 227.624616][ T2716] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  227.625010][ T2716] RIP: 0033:0x7fb1aea8a1e7
[ 227.625337][ T2716] 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)
[  227.626500][ T2716] RSP: 002b:00007ffd01d379f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  227.626990][ T2716] RAX: ffffffffffffffda RBX: 00007ffd01d38130 RCX: 00007fb1aea8a1e7
[  227.627449][ T2716] RDX: 0000000000000000 RSI: 00007ffd01d37a60 RDI: 0000000000000005
[  227.627922][ T2716] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  227.628385][ T2716] R10: 000000000d0e0910 R11: 0000000000000246 R12: 0000000000000003
[  227.628873][ T2716] R13: 00000000686e2781 R14: 0000000000499600 R15: 0000000000000000
| [  229.191183][ T2742] ------------[ cut here ]------------
| [ 229.191568][ T2742] WARNING: CPU: 1 PID: 2742 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) 
| [  229.192239][ T2742] Modules linked in: vxlan
| [  229.193303][ T2742] Tainted: [W]=WARN
[  229.193576][ T2742] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.194006][ T2742] 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) 
[ 229.194357][ T2742] 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
[  229.195600][ T2742] RSP: 0018:ffffc90005a46ef0 EFLAGS: 00010246
[  229.196036][ T2742] RAX: 0000000000000000 RBX: ffff88800b02a000 RCX: 0000000000000001
[  229.196583][ T2742] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  229.197088][ T2742] RBP: ffffc90005a46fd8 R08: 0000000000000000 R09: 0000000000000000
[  229.197613][ T2742] R10: ffffc90005a47008 R11: ffffffffaf38d1e0 R12: 1ffff92000b48de2
[  229.198114][ T2742] R13: 00000000000005aa R14: ffffc90005a47008 R15: ffff88800b02af48
[  229.198627][ T2742] FS:  00007f3ca4d00800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[  229.199217][ T2742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  229.199671][ T2742] CR2: 00000000004e6890 CR3: 000000000bf30003 CR4: 0000000000772ef0
[  229.200196][ T2742] PKRU: 55555554
[  229.200449][ T2742] Call Trace:
[  229.200713][ T2742]  <TASK>
[ 229.200891][ T2742] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 229.201231][ T2742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.201594][ T2742] netif_set_mtu (net/core/dev.c:9652) 
[ 229.201935][ T2742] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 229.202296][ T2742] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 229.202564][ T2742] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 229.202910][ T2742] br_add_if (net/bridge/br_if.c:697) 
[ 229.203175][ T2742] do_set_master (net/core/rtnetlink.c:2948) 
[ 229.203514][ T2742] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 229.203879][ T2742] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 229.204234][ T2742] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 229.204674][ T2742] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 229.205020][ T2742] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 229.205369][ T2742] ? __kernel_text_address (kernel/extable.c:79) 
[ 229.205721][ T2742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.206063][ T2742] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 229.206401][ T2742] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 229.206832][ T2742] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.207175][ T2742] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.207515][ T2742] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 229.207874][ T2742] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 229.208215][ T2742] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.208566][ T2742] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 229.208905][ T2742] ? __create_object (mm/kmemleak.c:771) 
[ 229.209244][ T2742] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 229.209591][ T2742] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 229.209942][ T2742] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 229.210365][ T2742] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 229.210742][ T2742] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 229.211090][ T2742] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 229.211430][ T2742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.211798][ T2742] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.212139][ T2742] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 229.212477][ T2742] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 229.212837][ T2742] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 229.213174][ T2742] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 229.213516][ T2742] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 229.213866][ T2742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.214207][ T2742] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 229.214557][ T2742] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 229.214900][ T2742] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 229.215264][ T2742] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 229.215624][ T2742] ? 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) 
[ 229.215968][ T2742] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 229.216310][ T2742] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 229.216662][ T2742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.217010][ T2742] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 229.217350][ T2742] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 229.217705][ T2742] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 229.218052][ T2742] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 229.218390][ T2742] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 229.218732][ T2742] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 229.219164][ T2742] ___sys_sendmsg (net/socket.c:2670) 
[ 229.219500][ T2742] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 229.219858][ T2742] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 229.220306][ T2742] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 229.220664][ T2742] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.221007][ T2742] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 229.221353][ T2742] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 229.221699][ T2742] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 229.222038][ T2742] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 229.222381][ T2742] __sys_sendmsg (net/socket.c:2700) 
[ 229.222727][ T2742] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 229.223155][ T2742] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 229.223505][ T2742] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 229.223868][ T2742] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 229.224212][ T2742] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  229.224646][ T2742] RIP: 0033:0x7f3ca4ecd1e7
[ 229.224999][ T2742] 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)
[  229.226231][ T2742] RSP: 002b:00007ffd4ef0abf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  229.226751][ T2742] RAX: ffffffffffffffda RBX: 00007ffd4ef0b330 RCX: 00007f3ca4ecd1e7
[  229.227256][ T2742] RDX: 0000000000000000 RSI: 00007ffd4ef0ac60 RDI: 0000000000000005
[  229.227789][ T2742] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  229.228299][ T2742] R10: 000000004019b910 R11: 0000000000000246 R12: 0000000000000003
[  229.228823][ T2742] R13: 00000000686e2782 R14: 0000000000499600 R15: 0000000000000000
| [  232.891843][ T2792] ------------[ cut here ]------------
| [ 232.892166][ T2792] WARNING: CPU: 3 PID: 2792 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) 
| [  232.892771][ T2792] Modules linked in: vxlan
| [  232.893711][ T2792] Tainted: [W]=WARN
[  232.893952][ T2792] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 232.894324][ T2792] 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) 
[ 232.894941][ T2792] 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
[  232.896033][ T2792] RSP: 0018:ffffc90005c26ef0 EFLAGS: 00010246
[  232.896417][ T2792] RAX: 0000000000000000 RBX: ffff88801a8ca000 RCX: 0000000000000001
[  232.896874][ T2792] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  232.897323][ T2792] RBP: ffffc90005c26fd8 R08: 0000000000000000 R09: 0000000000000000
[  232.897793][ T2792] R10: ffffc90005c27008 R11: ffffffffaf38d1e0 R12: 1ffff92000b84de2
[  232.898248][ T2792] R13: 00000000000005dc R14: ffffc90005c27008 R15: ffff88801a8caf48
[  232.898709][ T2792] FS:  00007f8fec9aa800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  232.899236][ T2792] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  232.899623][ T2792] CR2: 00000000004e6898 CR3: 000000001a0c1002 CR4: 0000000000772ef0
[  232.900083][ T2792] PKRU: 55555554
[  232.900307][ T2792] Call Trace:
[  232.900644][ T2792]  <TASK>
[ 232.900803][ T2792] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 232.901104][ T2792] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.901417][ T2792] netif_set_mtu (net/core/dev.c:9652) 
[ 232.901731][ T2792] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 232.902048][ T2792] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 232.902279][ T2792] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 232.902592][ T2792] br_add_if (net/bridge/br_if.c:697) 
[ 232.902831][ T2792] do_set_master (net/core/rtnetlink.c:2948) 
[ 232.903131][ T2792] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 232.903435][ T2792] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 232.903747][ T2792] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 232.904127][ T2792] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 232.904430][ T2792] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 232.904737][ T2792] ? __kernel_text_address (kernel/extable.c:79) 
[ 232.905039][ T2792] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.905350][ T2792] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 232.905666][ T2792] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 232.906040][ T2792] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.906342][ T2792] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.906653][ T2792] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 232.906952][ T2792] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 232.907254][ T2792] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.907564][ T2792] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 232.907861][ T2792] ? __create_object (mm/kmemleak.c:771) 
[ 232.908168][ T2792] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 232.908467][ T2792] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 232.908778][ T2792] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 232.909157][ T2792] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 232.909465][ T2792] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 232.909790][ T2792] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 232.910091][ T2792] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.910394][ T2792] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.910704][ T2792] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 232.911000][ T2792] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 232.911306][ T2792] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 232.911613][ T2792] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 232.911913][ T2792] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 232.912214][ T2792] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.912515][ T2792] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 232.912824][ T2792] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 232.913123][ T2792] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 232.913430][ T2792] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 232.913752][ T2792] ? 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) 
[ 232.914059][ T2792] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 232.914360][ T2792] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 232.914668][ T2792] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.914971][ T2792] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 232.915277][ T2792] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 232.915597][ T2792] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 232.916146][ T2792] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 232.916448][ T2792] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 232.916757][ T2792] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 232.917144][ T2792] ___sys_sendmsg (net/socket.c:2670) 
[ 232.917442][ T2792] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 232.917761][ T2792] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 232.918144][ T2792] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 232.918450][ T2792] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.918763][ T2792] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 232.919068][ T2792] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 232.919365][ T2792] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 232.919674][ T2792] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 232.919983][ T2792] __sys_sendmsg (net/socket.c:2700) 
[ 232.920282][ T2792] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 232.920666][ T2792] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 232.920977][ T2792] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 232.921276][ T2792] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 232.921595][ T2792] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  232.921974][ T2792] RIP: 0033:0x7f8fecb771e7
[ 232.922281][ T2792] 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)
[  232.923361][ T2792] RSP: 002b:00007ffd8f2532b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  232.923821][ T2792] RAX: ffffffffffffffda RBX: 00007ffd8f2539f0 RCX: 00007f8fecb771e7
[  232.924268][ T2792] RDX: 0000000000000000 RSI: 00007ffd8f253320 RDI: 0000000000000005
[  232.924728][ T2792] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  232.925173][ T2792] R10: 0000000002433910 R11: 0000000000000246 R12: 0000000000000003
[  232.925655][ T2792] R13: 00000000686e2786 R14: 0000000000499600 R15: 0000000000000000
| [  234.446493][ T2818] ------------[ cut here ]------------
| [ 234.446801][ T2818] WARNING: CPU: 0 PID: 2818 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) 
| [  234.447398][ T2818] Modules linked in: vxlan
| [  234.448314][ T2818] Tainted: [W]=WARN
[  234.448538][ T2818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 234.448916][ T2818] 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) 
[ 234.449223][ T2818] 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
[  234.450291][ T2818] RSP: 0018:ffffc90005d16ef0 EFLAGS: 00010246
[  234.450672][ T2818] RAX: 0000000000000000 RBX: ffff88801a8ca000 RCX: 0000000000000001
[  234.451114][ T2818] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  234.451580][ T2818] RBP: ffffc90005d16fd8 R08: 0000000000000000 R09: 0000000000000000
[  234.452025][ T2818] R10: ffffc90005d17008 R11: ffffffffafcceab8 R12: 1ffff92000ba2de2
[  234.452466][ T2818] R13: 0000000000000596 R14: ffffc90005d17008 R15: ffff88801a8caf48
[  234.452915][ T2818] FS:  00007f048a0ac800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  234.453435][ T2818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  234.453817][ T2818] CR2: 00000000004e6898 CR3: 0000000019cb3005 CR4: 0000000000772ef0
[  234.454265][ T2818] PKRU: 55555554
[  234.454485][ T2818] Call Trace:
[  234.454715][ T2818]  <TASK>
[ 234.454870][ T2818] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 234.455170][ T2818] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 234.455477][ T2818] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 234.455859][ T2818] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 234.456159][ T2818] netif_set_mtu (net/core/dev.c:9652) 
[ 234.456454][ T2818] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 234.456766][ T2818] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 234.457137][ T2818] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 234.457361][ T2818] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 234.457667][ T2818] br_add_if (net/bridge/br_if.c:697) 
[ 234.457901][ T2818] do_set_master (net/core/rtnetlink.c:2948) 
[ 234.458198][ T2818] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 234.458498][ T2818] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 234.458804][ T2818] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 234.459177][ T2818] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 234.459472][ T2818] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 234.459773][ T2818] ? __kernel_text_address (kernel/extable.c:79) 
[ 234.460074][ T2818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.460373][ T2818] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 234.460679][ T2818] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 234.461047][ T2818] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.461344][ T2818] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.461647][ T2818] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 234.461944][ T2818] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 234.462238][ T2818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.462538][ T2818] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 234.462841][ T2818] ? __create_object (mm/kmemleak.c:771) 
[ 234.463138][ T2818] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 234.463438][ T2818] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 234.463740][ T2818] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 234.464105][ T2818] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 234.464406][ T2818] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 234.464717][ T2818] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 234.465014][ T2818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.465320][ T2818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.465626][ T2818] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 234.465919][ T2818] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 234.466217][ T2818] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 234.466511][ T2818] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 234.466817][ T2818] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 234.467123][ T2818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.467422][ T2818] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 234.467723][ T2818] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 234.468022][ T2818] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 234.468327][ T2818] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 234.468630][ T2818] ? 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) 
[ 234.468927][ T2818] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 234.469225][ T2818] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 234.469520][ T2818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.469829][ T2818] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 234.470128][ T2818] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 234.470423][ T2818] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 234.470734][ T2818] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 234.471032][ T2818] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 234.471328][ T2818] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 234.471715][ T2818] ___sys_sendmsg (net/socket.c:2670) 
[ 234.472008][ T2818] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 234.472304][ T2818] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 234.472679][ T2818] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 234.472979][ T2818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.473279][ T2818] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.473592][ T2818] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.473891][ T2818] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 234.474184][ T2818] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 234.474486][ T2818] __sys_sendmsg (net/socket.c:2700) 
[ 234.474786][ T2818] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 234.475153][ T2818] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 234.475472][ T2818] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.475778][ T2818] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 234.476082][ T2818] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  234.476448][ T2818] RIP: 0033:0x7f048a2791e7
[ 234.476762][ T2818] 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)
[  234.477823][ T2818] RSP: 002b:00007fffeeb220f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  234.478274][ T2818] RAX: ffffffffffffffda RBX: 00007fffeeb22830 RCX: 00007f048a2791e7
[  234.478722][ T2818] RDX: 0000000000000000 RSI: 00007fffeeb22160 RDI: 0000000000000005
[  234.479162][ T2818] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  234.479612][ T2818] R10: 000000003119e910 R11: 0000000000000246 R12: 0000000000000003
[  234.480062][ T2818] R13: 00000000686e2788 R14: 0000000000499600 R15: 0000000000000000
| [  237.925196][ T2868] ------------[ cut here ]------------
| [ 237.925504][ T2868] WARNING: CPU: 0 PID: 2868 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) 
| [  237.926104][ T2868] Modules linked in: vxlan
| [  237.927015][ T2868] Tainted: [W]=WARN
[  237.927242][ T2868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 237.927624][ T2868] 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) 
[ 237.927929][ T2868] 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
[  237.928992][ T2868] RSP: 0018:ffffc90005cb6ef0 EFLAGS: 00010246
[  237.929370][ T2868] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  237.929825][ T2868] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  237.930269][ T2868] RBP: ffffc90005cb6fd8 R08: 0000000000000000 R09: 0000000000000000
[  237.930718][ T2868] R10: ffffc90005cb7008 R11: ffffffffaf38d1e0 R12: 1ffff92000b96de2
[  237.931163][ T2868] R13: 00000000000005dc R14: ffffc90005cb7008 R15: ffff88800525af48
[  237.931613][ T2868] FS:  00007f7febec6800(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  237.932132][ T2868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  237.932508][ T2868] CR2: 00000000004e68a0 CR3: 000000001aa1d005 CR4: 0000000000772ef0
[  237.932966][ T2868] PKRU: 55555554
[  237.933188][ T2868] Call Trace:
[  237.933414][ T2868]  <TASK>
[ 237.933578][ T2868] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 237.933873][ T2868] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.934180][ T2868] netif_set_mtu (net/core/dev.c:9652) 
[ 237.934474][ T2868] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 237.934793][ T2868] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 237.935018][ T2868] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 237.935324][ T2868] br_add_if (net/bridge/br_if.c:697) 
[ 237.935580][ T2868] do_set_master (net/core/rtnetlink.c:2948) 
[ 237.935876][ T2868] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 237.936174][ T2868] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 237.936473][ T2868] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 237.936854][ T2868] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 237.937147][ T2868] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 237.937441][ T2868] ? __kernel_text_address (kernel/extable.c:79) 
[ 237.937751][ T2868] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.938049][ T2868] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 237.938345][ T2868] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 237.938718][ T2868] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 237.939012][ T2868] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 237.939305][ T2868] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 237.939622][ T2868] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 237.939921][ T2868] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 237.940215][ T2868] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 237.940505][ T2868] ? __create_object (mm/kmemleak.c:771) 
[ 237.940810][ T2868] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 237.941107][ T2868] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 237.941402][ T2868] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 237.941778][ T2868] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 237.942083][ T2868] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 237.942388][ T2868] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 237.942692][ T2868] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.942994][ T2868] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 237.943288][ T2868] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 237.943585][ T2868] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 237.943883][ T2868] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 237.944176][ T2868] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 237.944473][ T2868] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 237.944785][ T2868] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.945087][ T2868] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 237.945389][ T2868] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 237.945696][ T2868] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 237.946002][ T2868] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 237.946296][ T2868] ? 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) 
[ 237.946604][ T2868] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 237.946905][ T2868] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 237.947199][ T2868] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.947498][ T2868] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 237.947802][ T2868] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 237.948098][ T2868] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 237.948398][ T2868] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 237.948705][ T2868] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 237.949005][ T2868] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 237.949382][ T2868] ___sys_sendmsg (net/socket.c:2670) 
[ 237.949683][ T2868] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 237.949976][ T2868] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 237.950342][ T2868] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 237.950650][ T2868] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 237.950949][ T2868] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 237.951252][ T2868] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 237.951559][ T2868] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 237.951851][ T2868] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 237.952153][ T2868] __sys_sendmsg (net/socket.c:2700) 
[ 237.952447][ T2868] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 237.952820][ T2868] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 237.953131][ T2868] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 237.953436][ T2868] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 237.953741][ T2868] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  237.954107][ T2868] RIP: 0033:0x7f7fec0931e7
[ 237.954411][ T2868] 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)
[  237.955483][ T2868] RSP: 002b:00007fff8a7eecc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  237.955933][ T2868] RAX: ffffffffffffffda RBX: 00007fff8a7ef400 RCX: 00007f7fec0931e7
[  237.956377][ T2868] RDX: 0000000000000000 RSI: 00007fff8a7eed30 RDI: 0000000000000005
[  237.956825][ T2868] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  237.957268][ T2868] R10: 000000001b802910 R11: 0000000000000246 R12: 0000000000000003
[  237.957721][ T2868] R13: 00000000686e278b R14: 0000000000499600 R15: 0000000000000000
| [  239.460923][ T2894] ------------[ cut here ]------------
| [ 239.461220][ T2894] WARNING: CPU: 1 PID: 2894 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) 
| [  239.462018][ T2894] Modules linked in: vxlan
| [  239.462924][ T2894] Tainted: [W]=WARN
[  239.463150][ T2894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 239.463520][ T2894] 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) 
[ 239.463831][ T2894] 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
[  239.464884][ T2894] RSP: 0018:ffffc90005e66ef0 EFLAGS: 00010246
[  239.465272][ T2894] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  239.465722][ T2894] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  239.466164][ T2894] RBP: ffffc90005e66fd8 R08: 0000000000000000 R09: 0000000000000000
[  239.466614][ T2894] R10: ffffc90005e67008 R11: ffffffffafcceab8 R12: 1ffff92000bccde2
[  239.467057][ T2894] R13: 00000000000005aa R14: ffffc90005e67008 R15: ffff88800525af48
[  239.467499][ T2894] FS:  00007fce16acf800(0000) GS:ffff8880bc019000(0000) knlGS:0000000000000000
[  239.468022][ T2894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  239.468391][ T2894] CR2: 00000000004e68a0 CR3: 000000001a30a001 CR4: 0000000000772ef0
[  239.468842][ T2894] PKRU: 55555554
[  239.469067][ T2894] Call Trace:
[  239.469287][ T2894]  <TASK>
[ 239.469440][ T2894] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 239.469748][ T2894] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 239.470043][ T2894] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 239.470408][ T2894] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 239.470714][ T2894] netif_set_mtu (net/core/dev.c:9652) 
[ 239.471009][ T2894] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 239.471318][ T2894] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 239.471696][ T2894] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 239.471920][ T2894] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 239.472217][ T2894] br_add_if (net/bridge/br_if.c:697) 
[ 239.472452][ T2894] do_set_master (net/core/rtnetlink.c:2948) 
[ 239.472752][ T2894] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 239.473050][ T2894] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 239.473356][ T2894] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 239.473735][ T2894] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 239.474029][ T2894] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 239.474325][ T2894] ? __kernel_text_address (kernel/extable.c:79) 
[ 239.474632][ T2894] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 239.474932][ T2894] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 239.475234][ T2894] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 239.475619][ T2894] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 239.475916][ T2894] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 239.476210][ T2894] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 239.476504][ T2894] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 239.476808][ T2894] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 239.477101][ T2894] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 239.477393][ T2894] ? __create_object (mm/kmemleak.c:771) 
[ 239.477712][ T2894] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 239.478013][ T2894] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 239.478308][ T2894] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 239.478680][ T2894] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 239.478982][ T2894] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 239.479281][ T2894] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 239.479586][ T2894] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 239.479888][ T2894] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 239.480183][ T2894] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 239.480479][ T2894] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 239.480785][ T2894] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 239.481078][ T2894] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 239.481375][ T2894] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 239.481683][ T2894] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 239.481982][ T2894] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 239.482278][ T2894] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 239.482588][ T2894] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 239.482895][ T2894] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 239.483189][ T2894] ? 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) 
[ 239.483484][ T2894] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 239.483791][ T2894] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 239.484083][ T2894] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 239.484385][ T2894] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 239.484698][ T2894] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 239.484993][ T2894] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 239.485301][ T2894] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 239.485608][ T2894] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 239.485901][ T2894] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 239.486277][ T2894] ___sys_sendmsg (net/socket.c:2670) 
[ 239.486581][ T2894] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 239.486883][ T2894] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 239.487248][ T2894] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 239.487557][ T2894] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 239.487857][ T2894] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 239.488157][ T2894] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 239.488450][ T2894] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 239.488754][ T2894] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 239.489063][ T2894] __sys_sendmsg (net/socket.c:2700) 
[ 239.489357][ T2894] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 239.489726][ T2894] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 239.490035][ T2894] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 239.490331][ T2894] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 239.490635][ T2894] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  239.491000][ T2894] RIP: 0033:0x7fce16c9c1e7
[ 239.491301][ T2894] 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)
[  239.492368][ T2894] RSP: 002b:00007ffefb7595b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  239.492819][ T2894] RAX: ffffffffffffffda RBX: 00007ffefb759cf0 RCX: 00007fce16c9c1e7
[  239.493265][ T2894] RDX: 0000000000000000 RSI: 00007ffefb759620 RDI: 0000000000000005
[  239.493712][ T2894] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  239.494154][ T2894] R10: 000000001a573910 R11: 0000000000000246 R12: 0000000000000003
[  239.494602][ T2894] R13: 00000000686e278d R14: 0000000000499600 R15: 0000000000000000
| [  241.291909][ T2920] ------------[ cut here ]------------
| [ 241.292199][ T2920] WARNING: CPU: 3 PID: 2920 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) 
| [  241.292793][ T2920] Modules linked in: vxlan
| [  241.293704][ T2920] Tainted: [W]=WARN
[  241.293928][ T2920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 241.294296][ T2920] 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) 
[ 241.294608][ T2920] 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
[  241.295689][ T2920] RSP: 0018:ffffc90005e46ef0 EFLAGS: 00010246
[  241.296061][ T2920] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  241.296500][ T2920] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  241.296952][ T2920] RBP: ffffc90005e46fd8 R08: 0000000000000000 R09: 0000000000000000
[  241.297398][ T2920] R10: ffffc90005e47008 R11: ffffffffafcceab8 R12: 1ffff92000bc8de2
[  241.297850][ T2920] R13: 0000000000000596 R14: ffffc90005e47008 R15: ffff88800525af48
[  241.298298][ T2920] FS:  00007fb5d55da800(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  241.298826][ T2920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  241.299201][ T2920] CR2: 00000000004e68a0 CR3: 00000000062e8002 CR4: 0000000000772ef0
[  241.299653][ T2920] PKRU: 55555554
[  241.299876][ T2920] Call Trace:
[  241.300094][ T2920]  <TASK>
[ 241.300249][ T2920] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 241.300560][ T2920] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 241.300859][ T2920] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 241.301223][ T2920] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 241.301527][ T2920] netif_set_mtu (net/core/dev.c:9652) 
[ 241.301834][ T2920] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 241.302144][ T2920] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 241.302517][ T2920] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 241.302748][ T2920] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 241.303047][ T2920] br_add_if (net/bridge/br_if.c:697) 
[ 241.303283][ T2920] do_set_master (net/core/rtnetlink.c:2948) 
[ 241.303586][ T2920] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 241.303888][ T2920] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 241.304191][ T2920] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 241.304578][ T2920] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 241.304875][ T2920] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 241.305173][ T2920] ? __kernel_text_address (kernel/extable.c:79) 
[ 241.305480][ T2920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.305786][ T2920] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 241.306088][ T2920] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 241.306463][ T2920] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.306784][ T2920] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.307080][ T2920] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 241.307374][ T2920] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 241.307675][ T2920] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.307969][ T2920] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 241.308261][ T2920] ? __create_object (mm/kmemleak.c:771) 
[ 241.308565][ T2920] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 241.308865][ T2920] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 241.309161][ T2920] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 241.309524][ T2920] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 241.309836][ T2920] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 241.310146][ T2920] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 241.310438][ T2920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.310744][ T2920] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.311038][ T2920] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 241.311336][ T2920] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 241.311638][ T2920] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 241.311932][ T2920] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 241.312228][ T2920] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 241.312528][ T2920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.312835][ T2920] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 241.313131][ T2920] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 241.313432][ T2920] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 241.313746][ T2920] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 241.314040][ T2920] ? 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) 
[ 241.314338][ T2920] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 241.314645][ T2920] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 241.314942][ T2920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.315250][ T2920] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 241.315571][ T2920] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 241.315869][ T2920] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 241.316171][ T2920] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 241.316468][ T2920] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 241.316776][ T2920] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 241.317156][ T2920] ___sys_sendmsg (net/socket.c:2670) 
[ 241.317450][ T2920] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 241.317758][ T2920] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 241.318124][ T2920] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 241.318424][ T2920] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.318730][ T2920] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 241.319032][ T2920] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 241.319328][ T2920] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 241.319632][ T2920] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 241.319941][ T2920] __sys_sendmsg (net/socket.c:2700) 
[ 241.320235][ T2920] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 241.320609][ T2920] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 241.320918][ T2920] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 241.321214][ T2920] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 241.321516][ T2920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  241.321891][ T2920] RIP: 0033:0x7fb5d57a71e7
[ 241.322199][ T2920] 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)
[  241.323263][ T2920] RSP: 002b:00007ffe2cb98428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  241.323718][ T2920] RAX: ffffffffffffffda RBX: 00007ffe2cb98b60 RCX: 00007fb5d57a71e7
[  241.324169][ T2920] RDX: 0000000000000000 RSI: 00007ffe2cb98490 RDI: 0000000000000005
[  241.324623][ T2920] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  241.325065][ T2920] R10: 000000000c645910 R11: 0000000000000246 R12: 0000000000000003
[  241.325514][ T2920] R13: 00000000686e278e R14: 0000000000499600 R15: 0000000000000000
| [  243.062184][ T2946] ------------[ cut here ]------------
| [ 243.062495][ T2946] WARNING: CPU: 2 PID: 2946 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) 
| [  243.063730][ T2946] Modules linked in: vxlan
| [  243.064675][ T2946] Tainted: [W]=WARN
[  243.064914][ T2946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 243.065310][ T2946] 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) 
[ 243.065644][ T2946] 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
[  243.066715][ T2946] RSP: 0018:ffffc900060a6ef0 EFLAGS: 00010246
[  243.067112][ T2946] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  243.067574][ T2946] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  243.068027][ T2946] RBP: ffffc900060a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  243.068477][ T2946] R10: ffffc900060a7008 R11: ffffffffafcceab8 R12: 1ffff92000c14de2
[  243.068944][ T2946] R13: 0000000000000596 R14: ffffc900060a7008 R15: ffff88800525af48
[  243.069400][ T2946] FS:  00007f1ffda6d800(0000) GS:ffff8880bc099000(0000) knlGS:0000000000000000
[  243.069935][ T2946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  243.070323][ T2946] CR2: 00000000004e68a0 CR3: 0000000019710006 CR4: 0000000000772ef0
[  243.070787][ T2946] PKRU: 55555554
[  243.071026][ T2946] Call Trace:
[  243.071260][ T2946]  <TASK>
[ 243.071432][ T2946] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 243.071756][ T2946] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 243.072069][ T2946] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 243.072447][ T2946] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 243.072769][ T2946] netif_set_mtu (net/core/dev.c:9652) 
[ 243.073076][ T2946] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 243.073401][ T2946] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 243.073793][ T2946] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 243.074034][ T2946] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 243.074345][ T2946] br_add_if (net/bridge/br_if.c:697) 
[ 243.074604][ T2946] do_set_master (net/core/rtnetlink.c:2948) 
[ 243.074911][ T2946] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 243.075230][ T2946] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 243.075559][ T2946] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 243.075951][ T2946] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 243.076258][ T2946] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 243.076576][ T2946] ? __kernel_text_address (kernel/extable.c:79) 
[ 243.076888][ T2946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.077202][ T2946] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 243.077512][ T2946] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 243.077910][ T2946] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.078222][ T2946] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.078528][ T2946] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 243.078862][ T2946] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 243.079172][ T2946] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.079483][ T2946] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 243.079797][ T2946] ? __create_object (mm/kmemleak.c:771) 
[ 243.080108][ T2946] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 243.080423][ T2946] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 243.080743][ T2946] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 243.081121][ T2946] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 243.081439][ T2946] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 243.081761][ T2946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 243.082070][ T2946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.082384][ T2946] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.082704][ T2946] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 243.083016][ T2946] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 243.083330][ T2946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 243.083646][ T2946] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 243.083958][ T2946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 243.084271][ T2946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.084594][ T2946] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 243.084904][ T2946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 243.085226][ T2946] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 243.085558][ T2946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 243.085867][ T2946] ? 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) 
[ 243.086180][ T2946] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 243.086491][ T2946] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 243.086807][ T2946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.087121][ T2946] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 243.087439][ T2946] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 243.087758][ T2946] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 243.088074][ T2946] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 243.088383][ T2946] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 243.088703][ T2946] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 243.089094][ T2946] ___sys_sendmsg (net/socket.c:2670) 
[ 243.089399][ T2946] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 243.089717][ T2946] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 243.090098][ T2946] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 243.090411][ T2946] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.090733][ T2946] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 243.091046][ T2946] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 243.091356][ T2946] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 243.091671][ T2946] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 243.091994][ T2946] __sys_sendmsg (net/socket.c:2700) 
[ 243.092298][ T2946] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 243.092683][ T2946] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 243.093002][ T2946] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 243.093313][ T2946] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 243.093634][ T2946] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  243.094015][ T2946] RIP: 0033:0x7f1ffdc3a1e7
[ 243.094332][ T2946] 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)
[  243.095424][ T2946] RSP: 002b:00007ffee43c12f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  243.095890][ T2946] RAX: ffffffffffffffda RBX: 00007ffee43c1a30 RCX: 00007f1ffdc3a1e7
[  243.096351][ T2946] RDX: 0000000000000000 RSI: 00007ffee43c1360 RDI: 0000000000000005
[  243.096811][ T2946] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  243.097265][ T2946] R10: 000000000f962910 R11: 0000000000000246 R12: 0000000000000003
[  243.097729][ T2946] R13: 00000000686e2790 R14: 0000000000499600 R15: 0000000000000000
| [  246.627290][   T12] ------------[ cut here ]------------
| [ 246.627622][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  246.628150][   T12] Modules linked in: vxlan
| [  246.629744][   T12] Tainted: [W]=WARN
[  246.629981][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  246.630376][   T12] Workqueue: netns cleanup_net
[ 246.630710][ T12] 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) 
[ 246.631027][ T12] 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
[  246.632132][   T12] RSP: 0000:ffffc900000c7360 EFLAGS: 00010246
[  246.632522][   T12] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  246.632998][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  246.633465][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  246.633937][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  246.634399][   T12] R13: 0000000000000596 R14: ffffc900000c7480 R15: ffff88800525af48
[  246.634872][   T12] FS:  0000000000000000(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  246.635428][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  246.635829][   T12] CR2: 0000562825fc20e0 CR3: 0000000014d4a002 CR4: 0000000000772ef0
[  246.636292][   T12] PKRU: 55555554
[  246.636523][   T12] Call Trace:
[  246.636761][   T12]  <TASK>
[ 246.636917][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 246.637225][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 246.637616][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 246.637850][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 246.638157][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 246.638465][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.638782][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.639163][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 246.639543][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.639862][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 246.640163][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 246.640469][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.640785][ T12] ? kthread (kernel/kthread.c:464) 
[ 246.641015][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.641321][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 246.641649][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 246.641962][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 246.642288][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 246.642522][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 246.642843][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 246.643084][ T12] br_device_event (net/bridge/br.c:141) 
[ 246.643391][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 246.643712][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.644025][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.644408][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 246.644812][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.645207][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 246.645540][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 246.645944][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 246.646347][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.646666][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.647055][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 246.647365][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.647759][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 246.648141][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.648524][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.648924][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 246.649235][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 246.649634][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.649951][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 246.650256][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 246.650578][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 246.650886][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 246.651195][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.651507][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 246.651830][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 246.652151][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 246.652462][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.652785][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 246.653092][ T12] kthread (kernel/kthread.c:464) 
[ 246.653323][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.653637][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 246.653944][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.654278][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.654597][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.654907][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.655211][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.655521][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  246.678022][   T12] ------------[ cut here ]------------
| [ 246.678334][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  246.678890][   T12] Modules linked in: vxlan
| [  246.679920][   T12] Tainted: [W]=WARN
[  246.680152][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  246.680537][   T12] Workqueue: netns cleanup_net
[ 246.680873][ T12] 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) 
[ 246.681192][ T12] 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
[  246.682339][   T12] RSP: 0000:ffffc900000c7360 EFLAGS: 00010246
[  246.682882][   T12] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  246.683349][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  246.683955][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  246.684416][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  246.685018][   T12] R13: 00000000000005aa R14: ffffc900000c7480 R15: ffff88800525af48
[  246.685488][   T12] FS:  0000000000000000(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  246.686168][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  246.686703][   T12] CR2: 0000562825fc20e0 CR3: 0000000014d4a002 CR4: 0000000000772ef0
[  246.687167][   T12] PKRU: 55555554
[  246.687398][   T12] Call Trace:
[  246.687771][   T12]  <TASK>
[ 246.687929][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 246.688239][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 246.688766][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 246.688999][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 246.689307][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 246.689758][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.690067][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.690450][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 246.690977][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.691284][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 246.691729][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 246.692036][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.692339][ T12] ? kthread (kernel/kthread.c:464) 
[ 246.692710][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.693025][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 246.693342][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 246.693800][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 246.694127][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 246.694360][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 246.694814][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 246.695050][ T12] br_device_event (net/bridge/br.c:141) 
[ 246.695364][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 246.695708][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.696021][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.696411][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 246.696824][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.697215][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 246.697539][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 246.697951][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 246.698355][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.698676][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.699065][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 246.699378][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.699771][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 246.700158][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.700541][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.700942][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 246.701250][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 246.701649][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.701962][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 246.702269][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 246.702596][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 246.702908][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 246.703216][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.703531][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 246.703860][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 246.704180][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 246.704493][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.704818][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 246.705137][ T12] kthread (kernel/kthread.c:464) 
[ 246.705378][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.705912][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 246.706443][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.706762][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.707071][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.707383][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.707694][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.708003][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  246.745563][   T12] ------------[ cut here ]------------
| [ 246.745886][ T12] WARNING: CPU: 3 PID: 12 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) 
| [  246.746422][   T12] Modules linked in: vxlan
| [  246.748613][   T12] Tainted: [W]=WARN
[  246.748847][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  246.749230][   T12] Workqueue: netns cleanup_net
[ 246.749559][ T12] 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) 
[ 246.749878][ T12] 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
[  246.750991][   T12] RSP: 0000:ffffc900000c7360 EFLAGS: 00010246
[  246.751383][   T12] RAX: 0000000000000000 RBX: ffff88800525a000 RCX: 0000000000000001
[  246.751852][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  246.752318][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  246.752788][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  246.753251][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800525af48
[  246.753720][   T12] FS:  0000000000000000(0000) GS:ffff8880bc119000(0000) knlGS:0000000000000000
[  246.754270][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  246.754666][   T12] CR2: 00007f15ce153b8d CR3: 0000000014d4a005 CR4: 0000000000772ef0
[  246.755133][   T12] PKRU: 55555554
[  246.755373][   T12] Call Trace:
[  246.755613][   T12]  <TASK>
[ 246.755771][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 246.756085][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 246.756468][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 246.756712][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 246.757021][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 246.757327][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.757647][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.758030][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 246.758418][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.758734][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 246.759039][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 246.759348][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.759660][ T12] ? kthread (kernel/kthread.c:464) 
[ 246.759891][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.760199][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 246.760524][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 246.760842][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 246.761168][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 246.761404][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 246.761726][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 246.761961][ T12] br_device_event (net/bridge/br.c:141) 
[ 246.762269][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 246.762601][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.762919][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.763307][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 246.763722][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.764116][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 246.764441][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 246.764849][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 246.765262][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.765587][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.765976][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 246.766287][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.766676][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 246.767063][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.767453][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.767855][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 246.768167][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 246.768570][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.768886][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 246.769192][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 246.769514][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 246.769834][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 246.770150][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.770464][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 246.770790][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 246.771107][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 246.771420][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.771745][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 246.772059][ T12] kthread (kernel/kthread.c:464) 
[ 246.772294][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.772606][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 246.772915][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.773224][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.773532][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.773853][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.774161][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.774476][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  246.797303][   T12] ------------[ cut here ]------------
| [ 246.798935][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  246.799469][   T12] Modules linked in: vxlan
| [  246.800769][   T12] Tainted: [W]=WARN
[  246.801004][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  246.801385][   T12] Workqueue: netns cleanup_net
[ 246.801849][ T12] 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) 
[ 246.802166][ T12] 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
[  246.803360][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  246.803761][   T12] RAX: 0000000000000000 RBX: ffff88801a8ca000 RCX: 0000000000000001
[  246.804219][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  246.804694][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  246.805155][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  246.805631][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88801a8caf48
[  246.806093][   T12] FS:  0000000000000000(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  246.806644][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  246.807034][   T12] CR2: 00007ff7dbda7770 CR3: 0000000019c98005 CR4: 0000000000772ef0
[  246.807496][   T12] PKRU: 55555554
[  246.807734][   T12] Call Trace:
[  246.807964][   T12]  <TASK>
[ 246.808119][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 246.808426][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 246.808821][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 246.809055][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 246.809362][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 246.809676][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.809984][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.810363][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 246.810751][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.811058][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 246.811363][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 246.811676][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.811982][ T12] ? kthread (kernel/kthread.c:464) 
[ 246.812214][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.812523][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 246.812848][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 246.813156][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 246.813486][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 246.813726][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 246.814037][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 246.814271][ T12] br_device_event (net/bridge/br.c:141) 
[ 246.814584][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 246.814899][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.815210][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.815619][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 246.816019][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.816409][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 246.816737][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 246.817134][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 246.817535][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.817861][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.818249][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 246.818567][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.818972][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 246.819356][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.819747][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.820145][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 246.820453][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 246.820851][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.821164][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 246.821469][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 246.821793][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 246.822103][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 246.822412][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.822736][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 246.823054][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 246.823370][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 246.823686][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.824001][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 246.824309][ T12] kthread (kernel/kthread.c:464) 
[ 246.824542][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.824861][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 246.825170][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.825487][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.825801][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.826110][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.826416][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.826729][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  246.852695][   T12] ------------[ cut here ]------------
| [ 246.853011][ T12] WARNING: CPU: 0 PID: 12 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) 
| [  246.853545][   T12] Modules linked in: vxlan
| [  246.854714][   T12] Tainted: [W]=WARN
[  246.854950][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  246.855346][   T12] Workqueue: netns cleanup_net
[ 246.855812][ T12] 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) 
[ 246.856127][ T12] 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
[  246.857360][   T12] RSP: 0018:ffffc900000c7360 EFLAGS: 00010246
[  246.857896][   T12] RAX: 0000000000000000 RBX: ffff88800b02a000 RCX: 0000000000000001
[  246.858353][   T12] RDX: 0000000000000000 RSI: ffffffffae910759 RDI: ffffffffae058280
[  246.858954][   T12] RBP: ffffc900000c7450 R08: 0000000000000000 R09: 0000000000000000
[  246.859414][   T12] R10: ffffc900000c7480 R11: ffffffffaf38d1e0 R12: 1ffff92000018e70
[  246.860016][   T12] R13: 00000000000005dc R14: ffffc900000c7480 R15: ffff88800b02af48
[  246.860470][   T12] FS:  0000000000000000(0000) GS:ffff8880bbf99000(0000) knlGS:0000000000000000
[  246.861148][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  246.861532][   T12] CR2: 00007ff7dbda7770 CR3: 0000000014d4a002 CR4: 0000000000772ef0
[  246.862134][   T12] PKRU: 55555554
[  246.862366][   T12] Call Trace:
[  246.862748][   T12]  <TASK>
[ 246.862904][ T12] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 246.863211][ T12] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 246.863707][ T12] ? br_del_if (net/bridge/br_if.c:742) 
[ 246.863940][ T12] ? br_device_event (net/bridge/br.c:141) 
[ 246.864242][ T12] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 246.864556][ T12] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.864866][ T12] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.865256][ T12] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 246.865650][ T12] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.865954][ T12] ? cleanup_net (net/core/net_namespace.c:684) 
[ 246.866258][ T12] ? process_one_work (kernel/workqueue.c:3238) 
[ 246.866568][ T12] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.866873][ T12] ? kthread (kernel/kthread.c:464) 
[ 246.867101][ T12] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.867413][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 246.867735][ T12] netif_set_mtu (net/core/dev.c:9652) 
[ 246.868042][ T12] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 246.868364][ T12] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 246.868605][ T12] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 246.868917][ T12] br_del_if (net/bridge/br_if.c:743) 
[ 246.869148][ T12] br_device_event (net/bridge/br.c:141) 
[ 246.869452][ T12] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 246.869782][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.870096][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.870483][ T12] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 246.870896][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.871285][ T12] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 246.871615][ T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 246.872018][ T12] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 246.872418][ T12] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 246.872736][ T12] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 246.873126][ T12] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 246.873431][ T12] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 246.873824][ T12] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 246.874227][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.874617][ T12] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 246.875009][ T12] default_device_exit_batch (net/core/dev.c:12673) 
[ 246.875324][ T12] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 246.875722][ T12] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 246.876034][ T12] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 246.876340][ T12] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 246.876664][ T12] cleanup_net (net/core/net_namespace.c:684) 
[ 246.876972][ T12] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 246.877283][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.877603][ T12] process_one_work (kernel/workqueue.c:3238) 
[ 246.877922][ T12] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 246.878240][ T12] ? assign_work (kernel/workqueue.c:1200) 
[ 246.878556][ T12] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 246.878872][ T12] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 246.879283][ T12] kthread (kernel/kthread.c:464) 
[ 246.879519][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.879830][ T12] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 246.880135][ T12] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 246.880445][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 246.880764][ T12] ? __pfx_kthread (kernel/kthread.c:413) 
[ 246.881073][ T12] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 246.881379][ T12] ? __pfx_kthread (kernel/kthread.c:413) 


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