======================================
| [   23.629405][  T346] br1: port 1(vx10) entered forwarding state
| [   23.630639][  T346] ------------[ cut here ]------------
| [ 23.630996][ T346] WARNING: CPU: 2 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.631685][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.632991][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.633406][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.633739][ T346] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.634898][  T346] RSP: 0018:ffffc90000836ef0 EFLAGS: 00010246
[   23.635315][  T346] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   23.636008][  T346] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   23.636507][  T346] RBP: ffffc90000836fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.637006][  T346] R10: ffffc90000837010 R11: ffffffffa48a8918 R12: 1ffff92000106de2
[   23.637526][  T346] R13: 00000000000005dc R14: ffffc90000837010 R15: ffff8880095faf08
[   23.638012][  T346] FS:  00007f48f9f9f800(0000) GS:ffff8880907b7000(0000) knlGS:0000000000000000
[   23.638723][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.639125][  T346] CR2: 00007fe68fd54000 CR3: 0000000005841001 CR4: 0000000000772ef0
[   23.639790][  T346] PKRU: 55555554
[   23.640170][  T346] Call Trace:
[   23.640561][  T346]  <TASK>
[ 23.640736][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.641086][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.641449][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.641796][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.642207][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.642548][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.642890][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.643223][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.643677][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.643925][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.644393][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.644770][ T346] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.645109][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.645442][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.645856][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.646188][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.646525][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.646891][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.647231][ T346] ? __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) 
[ 23.647562][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.647976][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.648323][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.648641][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.648963][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.649303][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.649625][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.649964][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.650298][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.650634][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.650969][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.651377][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.651718][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.652044][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.652379][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.652705][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.653041][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.653410][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.653746][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.654081][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.654417][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.654757][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.655105][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.655436][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.655776][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.656110][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.656454][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.656778][ T346] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.657100][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.657435][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.657771][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.658118][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.658468][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.658796][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.659145][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.659473][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.659878][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.660194][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.660520][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.660911][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.661230][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.661563][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.661885][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.662204][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.662535][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.662860][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.663174][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.663571][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.663898][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.664217][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.664543][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.664957][  T346] RIP: 0033:0x7f48fa16c1e7
[ 23.665313][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.666437][  T346] RSP: 002b:00007fff507d93b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.666938][  T346] RAX: ffffffffffffffda RBX: 00007fff507d9ae0 RCX: 00007f48fa16c1e7
[   23.667429][  T346] RDX: 0000000000000000 RSI: 00007fff507d9420 RDI: 0000000000000005
[   23.667918][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.668424][  T346] R10: 0000000025fed910 R11: 0000000000000246 R12: 0000000000000004
[   23.668912][  T346] R13: 00000000686e67d3 R14: 0000000000499600 R15: 0000000000000000
| [   24.154774][  T351] ------------[ cut here ]------------
| [ 24.155104][ T351] WARNING: CPU: 2 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.155989][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.157377][  T351] Tainted: [W]=WARN
[   24.157639][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.158068][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.158439][ T351] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.159658][  T351] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   24.160107][  T351] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   24.160634][  T351] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   24.161156][  T351] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.161670][  T351] R10: ffffc90000577010 R11: ffffffffa48a8918 R12: 1ffff920000aede2
[   24.162177][  T351] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff8880095faf08
[   24.162692][  T351] FS:  00007fb7f5946800(0000) GS:ffff8880907b7000(0000) knlGS:0000000000000000
[   24.163302][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.163713][  T351] CR2: 00000000004e5de8 CR3: 000000000dc65004 CR4: 0000000000772ef0
[   24.164209][  T351] PKRU: 55555554
[   24.164473][  T351] Call Trace:
[   24.164727][  T351]  <TASK>
[ 24.164907][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.165252][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.165598][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.165934][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.166361][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.166703][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 24.167050][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.167406][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.167887][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.168163][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.168628][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.169013][ T351] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.169384][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.169742][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.170186][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.170533][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.170885][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.171224][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.171571][ T351] ? __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) 
[ 24.171907][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.172323][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.172666][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.172996][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.173345][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.173676][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.174013][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.174353][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 24.174692][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.175030][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.175387][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.175801][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.176147][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.176496][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.176847][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.177192][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.177544][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.177871][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.178233][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.178580][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.178919][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.179282][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.179628][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.179975][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.180323][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.180681][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.181013][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.181371][ T351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.181710][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.182051][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.182410][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.182753][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.183116][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.183482][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.183833][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.184194][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.184656][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 24.185004][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.185359][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.185801][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.186162][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.186527][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.186878][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.187256][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.187603][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.187960][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 24.188321][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.188750][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.189117][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.189480][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.189832][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.190283][  T351] RIP: 0033:0x7fb7f5b131e7
[ 24.190652][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.191835][  T351] RSP: 002b:00007fff90835958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.192348][  T351] RAX: ffffffffffffffda RBX: 00007fff90836080 RCX: 00007fb7f5b131e7
[   24.192839][  T351] RDX: 0000000000000000 RSI: 00007fff908359c0 RDI: 0000000000000005
[   24.193340][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.194106][  T351] R10: 000000001127e910 R11: 0000000000000246 R12: 0000000000000004
[   24.194839][  T351] R13: 00000000686e67d3 R14: 0000000000499600 R15: 0000000000000000
| [   24.463759][  T353] ------------[ cut here ]------------
| [ 24.464107][ T353] WARNING: CPU: 1 PID: 353 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.464771][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.466986][  T353] Tainted: [W]=WARN
[   24.467408][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.468107][ T353] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.468687][ T353] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.470731][  T353] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   24.471462][  T353] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   24.472302][  T353] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   24.473148][  T353] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.473983][  T353] R10: ffffc90000577010 R11: ffffffffa48a8918 R12: 1ffff920000aede2
[   24.474715][  T353] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff8880095faf08
[   24.475205][  T353] FS:  00007f09964c4800(0000) GS:ffff888090737000(0000) knlGS:0000000000000000
[   24.475799][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.476206][  T353] CR2: 00000000004e5aa8 CR3: 000000000e72d004 CR4: 0000000000772ef0
[   24.476862][  T353] PKRU: 55555554
[   24.477287][  T353] Call Trace:
[   24.477689][  T353]  <TASK>
[ 24.477978][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.478555][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.479140][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.479691][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.480400][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.480872][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 24.481362][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.481923][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.482900][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.483348][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.484047][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.484657][ T353] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.485198][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.485737][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.486429][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.486961][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.487506][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.488043][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.488588][ T353] ? __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) 
[ 24.489110][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.489766][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.490338][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.490831][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.491378][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.491883][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.492420][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.492938][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 24.493459][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.493983][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.494531][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.495173][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.495723][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.496269][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.496783][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.497318][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.497843][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.498334][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.498655][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.498983][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.499310][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.499644][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.499959][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.500290][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.500612][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.500932][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.501271][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.501581][ T353] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.501888][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.502194][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.502525][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.502855][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.503166][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.503514][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.503826][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.504132][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.504548][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 24.504854][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.505161][ T353] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.505565][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.505880][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.506192][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.506529][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.506840][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.507144][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.507469][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 24.507773][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.508165][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.508504][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.508814][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.509120][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.509508][  T353] RIP: 0033:0x7f09966911e7
[ 24.509826][ T353] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.510961][  T353] RSP: 002b:00007ffe5440f868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.511439][  T353] RAX: ffffffffffffffda RBX: 00007ffe5440ff90 RCX: 00007f09966911e7
[   24.511919][  T353] RDX: 0000000000000000 RSI: 00007ffe5440f8d0 RDI: 0000000000000005
[   24.512398][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.512859][  T353] R10: 0000000033169910 R11: 0000000000000246 R12: 0000000000000004
[   24.513328][  T353] R13: 00000000686e67d4 R14: 0000000000499600 R15: 0000000000000000
| [   24.989230][  T357] ------------[ cut here ]------------
| [ 24.989575][ T357] WARNING: CPU: 0 PID: 357 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.990186][  T357] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.991483][  T357] Tainted: [W]=WARN
[   24.991715][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.992095][ T357] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.992430][ T357] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.993539][  T357] RSP: 0018:ffffc900004d6ef0 EFLAGS: 00010246
[   24.993924][  T357] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   24.994399][  T357] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   24.994893][  T357] RBP: ffffc900004d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.995377][  T357] R10: ffffc900004d7010 R11: ffffffffa48a8918 R12: 1ffff9200009ade2
[   24.995840][  T357] R13: 00000000000005dc R14: ffffc900004d7010 R15: ffff8880095faf08
[   24.996333][  T357] FS:  00007ffb50364800(0000) GS:ffff8880906b7000(0000) knlGS:0000000000000000
[   24.996866][  T357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.997272][  T357] CR2: 00000000004e5ab0 CR3: 000000000dd10001 CR4: 0000000000772ef0
[   24.997770][  T357] PKRU: 55555554
[   24.998019][  T357] Call Trace:
[   24.998275][  T357]  <TASK>
[ 24.998449][ T357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.998771][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.999100][ T357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.999439][ T357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.999846][ T357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.000169][ T357] netif_set_mtu (net/core/dev.c:9652) 
[ 25.000515][ T357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.000855][ T357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.001322][ T357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.001570][ T357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.002011][ T357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.002404][ T357] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.002735][ T357] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.003062][ T357] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.003486][ T357] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.003806][ T357] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.004126][ T357] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.004468][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.004798][ T357] ? __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) 
[ 25.005121][ T357] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.005540][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.005866][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.006185][ T357] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.006525][ T357] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.006844][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.007157][ T357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.007483][ T357] ? __create_object (mm/kmemleak.c:771) 
[ 25.007809][ T357] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.008128][ T357] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.008455][ T357] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.008837][ T357] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.009147][ T357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.009480][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.009796][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.010108][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.010437][ T357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.010742][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.011049][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.011378][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.011693][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.012008][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.012341][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.012662][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.012983][ T357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.013330][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.013650][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 25.013972][ T357] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.014321][ T357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.014643][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.014972][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.015427][ T357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.015812][ T357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.016132][ T357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.016595][ T357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.016929][ T357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.017353][ T357] ___sys_sendmsg (net/socket.c:2670) 
[ 25.017658][ T357] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.017967][ T357] ? __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) 
[ 25.018384][ T357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.018693][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.019001][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.019332][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.019645][ T357] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.019949][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.020286][ T357] __sys_sendmsg (net/socket.c:2700) 
[ 25.020600][ T357] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.020977][ T357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.021317][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.021625][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.021938][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.022360][  T357] RIP: 0033:0x7ffb505311e7
[ 25.022679][ T357] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   25.023790][  T357] RSP: 002b:00007ffda2290448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.024274][  T357] RAX: ffffffffffffffda RBX: 00007ffda2290b70 RCX: 00007ffb505311e7
[   25.024742][  T357] RDX: 0000000000000000 RSI: 00007ffda22904b0 RDI: 0000000000000005
[   25.025199][  T357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.025757][  T357] R10: 0000000024917910 R11: 0000000000000246 R12: 0000000000000004
[   25.026220][  T357] R13: 00000000686e67d4 R14: 0000000000499600 R15: 0000000000000000
| [   30.042173][  T407] ------------[ cut here ]------------
| [ 30.042575][ T407] WARNING: CPU: 2 PID: 407 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) 
| [   30.043271][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.044686][  T407] Tainted: [W]=WARN
[   30.044950][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.045379][ T407] 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) 
[ 30.045744][ T407] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   30.046888][  T407] RSP: 0018:ffffc90000a06ef0 EFLAGS: 00010246
[   30.047335][  T407] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[   30.047857][  T407] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   30.048450][  T407] RBP: ffffc90000a06fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.048988][  T407] R10: ffffc90000a07010 R11: ffffffffa3f79160 R12: 1ffff92000140de2
[   30.049516][  T407] R13: 00000000000005dc R14: ffffc90000a07010 R15: ffff88800e612f08
[   30.050052][  T407] FS:  00007f9230f2a800(0000) GS:ffff8880907b7000(0000) knlGS:0000000000000000
[   30.050677][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.051151][  T407] CR2: 00000000004e6898 CR3: 000000000e66f001 CR4: 0000000000772ef0
[   30.051701][  T407] PKRU: 55555554
[   30.051980][  T407] Call Trace:
[   30.052258][  T407]  <TASK>
[ 30.052472][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.052865][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.053265][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.053641][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 30.054069][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.054508][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.054816][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.055310][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.055739][ T407] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.056165][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.056560][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.056986][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.057351][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.057725][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.058070][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.058428][ T407] ? __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) 
[ 30.058787][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.059204][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.059569][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.059908][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.060310][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.060678][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.061056][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.061431][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 30.061771][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.062116][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.062492][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.062937][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.063349][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.063705][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.064025][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.064360][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.064702][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.065042][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.065456][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.065818][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.066139][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.066519][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.066840][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.067215][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.067577][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.067934][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.068417][ T407] ? 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) 
[ 30.068793][ T407] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.069129][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.069487][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.069916][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.070290][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.070656][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.071029][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.071448][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.071811][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.072248][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 30.072624][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.072966][ T407] ? __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) 
[ 30.073430][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.073784][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.074171][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.074530][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.074884][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.075222][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.075586][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 30.075930][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.076378][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.076728][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.077068][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.077412][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.077813][  T407] RIP: 0033:0x7f92310f71e7
[ 30.078208][ T407] 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)
[   30.079459][  T407] RSP: 002b:00007ffdf6b6db58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.080058][  T407] RAX: ffffffffffffffda RBX: 00007ffdf6b6e280 RCX: 00007f92310f71e7
[   30.080643][  T407] RDX: 0000000000000000 RSI: 00007ffdf6b6dbc0 RDI: 0000000000000005
[   30.081203][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.081719][  T407] R10: 000000002af68910 R11: 0000000000000246 R12: 0000000000000004
[   30.082257][  T407] R13: 00000000686e67d9 R14: 0000000000499600 R15: 0000000000000000
| [   30.964986][  T415] ------------[ cut here ]------------
| [ 30.965337][ T415] WARNING: CPU: 1 PID: 415 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) 
| [   30.965988][  T415] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.967287][  T415] Tainted: [W]=WARN
[   30.967523][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.967907][ T415] 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) 
[ 30.968266][ T415] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   30.969382][  T415] RSP: 0018:ffffc90000b36ef0 EFLAGS: 00010246
[   30.969772][  T415] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[   30.970231][  T415] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   30.970711][  T415] RBP: ffffc90000b36fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.971167][  T415] R10: ffffc90000b37010 R11: ffffffffa3f79160 R12: 1ffff92000166de2
[   30.971663][  T415] R13: 00000000000005dc R14: ffffc90000b37010 R15: ffff88800e612f08
[   30.972124][  T415] FS:  00007fd15635f800(0000) GS:ffff888090737000(0000) knlGS:0000000000000000
[   30.972677][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.973061][  T415] CR2: 00000000004e5ce0 CR3: 000000000e7e3006 CR4: 0000000000772ef0
[   30.973545][  T415] PKRU: 55555554
[   30.973775][  T415] Call Trace:
[   30.974009][  T415]  <TASK>
[ 30.974167][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.974814][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.975143][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.975473][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 30.975778][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.976097][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.976349][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.976778][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.977136][ T415] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.977468][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.977778][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.978176][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.978504][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.978809][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.979115][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.979446][ T415] ? __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) 
[ 30.979753][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.980128][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.980457][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.980760][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.981061][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.981394][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.981702][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.982004][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 30.982336][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.982648][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.982949][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.983353][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.983676][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.983987][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.984316][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.984628][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.984933][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.985233][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.985568][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.985870][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.986176][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.986511][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.986822][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.987126][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.987455][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.987771][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.988085][ T415] ? 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) 
[ 30.988472][ T415] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.988805][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.989124][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.989469][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.989799][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.990122][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.990473][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.990801][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.991119][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.991583][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 30.991909][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.992226][ T415] ? __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) 
[ 30.992660][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.992988][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.993333][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.993664][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.993996][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.994338][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.994668][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 30.994988][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.995409][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.995747][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.996078][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.996425][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.996825][  T415] RIP: 0033:0x7fd15652c1e7
[ 30.997166][ T415] 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)
[   30.998403][  T415] RSP: 002b:00007ffd58a4adf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.998896][  T415] RAX: ffffffffffffffda RBX: 00007ffd58a4b520 RCX: 00007fd15652c1e7
[   30.999399][  T415] RDX: 0000000000000000 RSI: 00007ffd58a4ae60 RDI: 0000000000000005
[   30.999882][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.000376][  T415] R10: 00000000177c1910 R11: 0000000000000246 R12: 0000000000000004
[   31.000864][  T415] R13: 00000000686e67da R14: 0000000000499600 R15: 0000000000000000
| [   31.993673][  T423] ------------[ cut here ]------------
| [ 31.993982][ T423] WARNING: CPU: 3 PID: 423 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.994651][  T423] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.995932][  T423] Tainted: [W]=WARN
[   31.996196][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.996590][ T423] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.996915][ T423] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.998034][  T423] RSP: 0018:ffffc90000c4eef0 EFLAGS: 00010246
[   31.998460][  T423] RAX: 0000000000000000 RBX: ffff88800e612000 RCX: 0000000000000001
[   31.998923][  T423] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   31.999620][  T423] RBP: ffffc90000c4efe0 R08: 0000000000000000 R09: 0000000000000000
[   32.000094][  T423] R10: ffffc90000c4f010 R11: ffffffffa48a8918 R12: 1ffff92000189de2
[   32.000775][  T423] R13: 00000000000005dc R14: ffffc90000c4f010 R15: ffff88800e612f08
[   32.001392][  T423] FS:  00007fda314af800(0000) GS:ffff888090837000(0000) knlGS:0000000000000000
[   32.001929][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.002459][  T423] CR2: 00000000004e5de8 CR3: 000000000f49f002 CR4: 0000000000772ef0
[   32.002924][  T423] PKRU: 55555554
[   32.003159][  T423] Call Trace:
[   32.003430][  T423]  <TASK>
[ 32.003593][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.003909][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.004228][ T423] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.004545][ T423] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.004944][ T423] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.005267][ T423] netif_set_mtu (net/core/dev.c:9652) 
[ 32.005578][ T423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.005898][ T423] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.006337][ T423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.006572][ T423] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.006992][ T423] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.007373][ T423] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.007688][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.008014][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.008429][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.008739][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.009045][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.009366][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.009680][ T423] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.009985][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.010378][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.010693][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.011002][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.011336][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.011646][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.011963][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.012277][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 32.012594][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.012911][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.013218][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.013610][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.013924][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.014247][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.014555][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.014865][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.015173][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.015496][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.015808][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.016114][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.016431][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.016743][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.017053][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.017378][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.017687][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.018012][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.018330][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.018638][ T423] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.018950][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.019276][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.019587][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.019893][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.020201][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.020530][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.020845][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.021149][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.021562][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 32.021866][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.022170][ T423] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.022558][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.022870][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.023220][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.023551][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.023862][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.024169][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.024493][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 32.024794][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.025169][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.025501][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.025809][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.026120][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.026509][  T423] RIP: 0033:0x7fda3167c1e7
[ 32.026832][ T423] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.027944][  T423] RSP: 002b:00007ffc4675a958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.028438][  T423] RAX: ffffffffffffffda RBX: 00007ffc4675b080 RCX: 00007fda3167c1e7
[   32.028903][  T423] RDX: 0000000000000000 RSI: 00007ffc4675a9c0 RDI: 0000000000000005
[   32.029376][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.029841][  T423] R10: 0000000001335910 R11: 0000000000000246 R12: 0000000000000004
[   32.030312][  T423] R13: 00000000686e67db R14: 0000000000499600 R15: 0000000000000000
| [   36.271759][  T464] ------------[ cut here ]------------
| [ 36.272168][ T464] WARNING: CPU: 0 PID: 464 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) 
| [   36.273213][  T464] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.275425][  T464] Tainted: [W]=WARN
[   36.275831][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.276522][ T464] 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) 
[ 36.277080][ T464] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   36.279023][  T464] RSP: 0018:ffffc90000deeef0 EFLAGS: 00010246
[   36.279713][  T464] RAX: 0000000000000000 RBX: ffff88800a372000 RCX: 0000000000000001
[   36.280543][  T464] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   36.281368][  T464] RBP: ffffc90000deefe0 R08: 0000000000000000 R09: 0000000000000000
[   36.282174][  T464] R10: ffffc90000def010 R11: ffffffffa3f79160 R12: 1ffff920001bdde2
[   36.282996][  T464] R13: 00000000000005dc R14: ffffc90000def010 R15: ffff88800a372f08
[   36.283824][  T464] FS:  00007f2d1c39b800(0000) GS:ffff8880906b7000(0000) knlGS:0000000000000000
[   36.284786][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.285474][  T464] CR2: 00000000004e6898 CR3: 000000000e403004 CR4: 0000000000772ef0
[   36.286296][  T464] PKRU: 55555554
[   36.286699][  T464] Call Trace:
[   36.287102][  T464]  <TASK>
[ 36.287410][ T464] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.287955][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.288536][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.289085][ T464] netif_set_mtu (net/core/dev.c:9652) 
[ 36.289639][ T464] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.290210][ T464] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.290639][ T464] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.291286][ T464] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.291863][ T464] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 36.292429][ T464] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.292977][ T464] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.293676][ T464] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.294210][ T464] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.294762][ T464] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.295330][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.295875][ T464] ? __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) 
[ 36.296427][ T464] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.297098][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.297661][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.298206][ T464] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.298763][ T464] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.299319][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.299860][ T464] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.300416][ T464] ? __create_object (mm/kmemleak.c:771) 
[ 36.300963][ T464] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.301545][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.302089][ T464] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.302772][ T464] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.303350][ T464] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.303913][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.304474][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.305041][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.305605][ T464] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.306146][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.306714][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.307283][ T464] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.307832][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.308420][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.308853][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.309315][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.309870][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.310456][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.311002][ T464] ? 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) 
[ 36.311563][ T464] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.312127][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.312677][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.313224][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.313792][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.314264][ T464] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.314743][ T464] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.315233][ T464] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.315715][ T464] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.316456][ T464] ___sys_sendmsg (net/socket.c:2670) 
[ 36.316882][ T464] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.317392][ T464] ? __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) 
[ 36.318111][ T464] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.318700][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.319289][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.319879][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.320459][ T464] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.321023][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.321615][ T464] __sys_sendmsg (net/socket.c:2700) 
[ 36.322172][ T464] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.322889][ T464] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.323488][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.324060][ T464] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.324635][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.325344][  T464] RIP: 0033:0x7f2d1c5681e7
[ 36.325922][ T464] 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)
[   36.327932][  T464] RSP: 002b:00007fffaa5861e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.328811][  T464] RAX: ffffffffffffffda RBX: 00007fffaa586910 RCX: 00007f2d1c5681e7
[   36.329662][  T464] RDX: 0000000000000000 RSI: 00007fffaa586250 RDI: 0000000000000005
[   36.330512][  T464] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.331365][  T464] R10: 0000000029f3d910 R11: 0000000000000246 R12: 0000000000000004
[   36.332205][  T464] R13: 00000000686e67df R14: 0000000000499600 R15: 0000000000000000
| [   37.272760][  T472] ------------[ cut here ]------------
| [ 37.273079][ T472] WARNING: CPU: 0 PID: 472 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.273717][  T472] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.275012][  T472] Tainted: [W]=WARN
[   37.275266][  T472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.275677][ T472] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.276009][ T472] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.277152][  T472] RSP: 0018:ffffc90000e5eef0 EFLAGS: 00010246
[   37.277563][  T472] RAX: 0000000000000000 RBX: ffff88800a372000 RCX: 0000000000000001
[   37.278062][  T472] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   37.278552][  T472] RBP: ffffc90000e5efe0 R08: 0000000000000000 R09: 0000000000000000
[   37.279027][  T472] R10: ffffc90000e5f010 R11: ffffffffa3f79160 R12: 1ffff920001cbde2
[   37.279527][  T472] R13: 00000000000005dc R14: ffffc90000e5f010 R15: ffff88800a372f08
[   37.280011][  T472] FS:  00007f6efa9a9800(0000) GS:ffff8880906b7000(0000) knlGS:0000000000000000
[   37.280569][  T472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.280965][  T472] CR2: 00000000004e5ce0 CR3: 000000000a339002 CR4: 0000000000772ef0
[   37.281439][  T472] PKRU: 55555554
[   37.281677][  T472] Call Trace:
[   37.281924][  T472]  <TASK>
[ 37.282094][ T472] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.282466][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.282793][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.283114][ T472] netif_set_mtu (net/core/dev.c:9652) 
[ 37.283432][ T472] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.283764][ T472] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.283999][ T472] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.284452][ T472] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.284809][ T472] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 37.285125][ T472] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.285457][ T472] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.285871][ T472] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.286184][ T472] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.286517][ T472] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.286834][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.287158][ T472] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.287492][ T472] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.287888][ T472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.288210][ T472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.288540][ T472] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.288846][ T472] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.289172][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.289504][ T472] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.289837][ T472] ? __create_object (mm/kmemleak.c:771) 
[ 37.290148][ T472] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.290469][ T472] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.290783][ T472] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.291182][ T472] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.291518][ T472] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.291845][ T472] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.292166][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.292503][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.292827][ T472] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.293144][ T472] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.293468][ T472] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.293789][ T472] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.294103][ T472] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.294446][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.294774][ T472] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.295092][ T472] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.295429][ T472] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.295753][ T472] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.296063][ T472] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.296397][ T472] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.296738][ T472] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.297045][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.297370][ T472] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.297694][ T472] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.298028][ T472] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.298390][ T472] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.298716][ T472] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.299055][ T472] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.299483][ T472] ___sys_sendmsg (net/socket.c:2670) 
[ 37.299795][ T472] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.300107][ T472] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.300502][ T472] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.300814][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.301129][ T472] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.301466][ T472] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.301791][ T472] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.302104][ T472] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.302441][ T472] __sys_sendmsg (net/socket.c:2700) 
[ 37.302754][ T472] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.303146][ T472] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.303481][ T472] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.303814][ T472] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.304119][ T472] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.304516][  T472] RIP: 0033:0x7f6efab761e7
[ 37.304849][ T472] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.305968][  T472] RSP: 002b:00007fff3d08aed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.306485][  T472] RAX: ffffffffffffffda RBX: 00007fff3d08b600 RCX: 00007f6efab761e7
[   37.306951][  T472] RDX: 0000000000000000 RSI: 00007fff3d08af40 RDI: 0000000000000005
[   37.307430][  T472] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.307916][  T472] R10: 0000000018762910 R11: 0000000000000246 R12: 0000000000000004
[   37.308404][  T472] R13: 00000000686e67e0 R14: 0000000000499600 R15: 0000000000000000
| [   38.225268][  T479] ------------[ cut here ]------------
| [ 38.225604][ T479] WARNING: CPU: 1 PID: 479 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) 
| [   38.226472][  T479] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.228039][  T479] Tainted: [W]=WARN
[   38.228301][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.228713][ T479] 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) 
[ 38.229286][ T479] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   38.230664][  T479] RSP: 0018:ffffc90000eceef0 EFLAGS: 00010246
[   38.231071][  T479] RAX: 0000000000000000 RBX: ffff88800a372000 RCX: 0000000000000001
[   38.231574][  T479] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   38.232288][  T479] RBP: ffffc90000ecefe0 R08: 0000000000000000 R09: 0000000000000000
[   38.232769][  T479] R10: ffffc90000ecf010 R11: ffffffffa3f79160 R12: 1ffff920001d9de2
[   38.233257][  T479] R13: 00000000000005dc R14: ffffc90000ecf010 R15: ffff88800a372f08
[   38.233974][  T479] FS:  00007f5614458800(0000) GS:ffff888090737000(0000) knlGS:0000000000000000
[   38.234539][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.234949][  T479] CR2: 00000000004e5de8 CR3: 000000000adb4005 CR4: 0000000000772ef0
[   38.235670][  T479] PKRU: 55555554
[   38.235911][  T479] Call Trace:
[   38.236152][  T479]  <TASK>
[ 38.236331][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.236877][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.237209][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.237541][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 38.237861][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.238440][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.238689][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.239136][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.239536][ T479] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.240089][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.240422][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.240829][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.241151][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.241703][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.242036][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.242381][ T479] ? __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) 
[ 38.242701][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.243334][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.243656][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.243974][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.244309][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.244877][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.245199][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.245524][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 38.245850][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.246407][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.246724][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.247119][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.247677][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.247997][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.248331][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.248660][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.248981][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.249530][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.249845][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.250164][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.250718][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.251052][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.251400][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.251730][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.252049][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.252615][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.252934][ T479] ? 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) 
[ 38.253269][ T479] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.253603][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.254145][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.254482][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.254811][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.255134][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.255695][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.256020][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.256354][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.256976][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 38.257291][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.257596][ T479] ? __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) 
[ 38.257997][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.258555][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.258864][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.259197][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.259528][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.260072][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.260411][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 38.260724][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.261122][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.261459][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.261775][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.262104][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.262719][  T479] RIP: 0033:0x7f56146251e7
[ 38.263054][ T479] 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)
[   38.264447][  T479] RSP: 002b:00007ffe8cfc9738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.264939][  T479] RAX: ffffffffffffffda RBX: 00007ffe8cfc9e60 RCX: 00007f56146251e7
[   38.265432][  T479] RDX: 0000000000000000 RSI: 00007ffe8cfc97a0 RDI: 0000000000000005
[   38.266143][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.266635][  T479] R10: 0000000015312910 R11: 0000000000000246 R12: 0000000000000004
[   38.267117][  T479] R13: 00000000686e67e1 R14: 0000000000499600 R15: 0000000000000000
| [   60.852474][  T619] ------------[ cut here ]------------
| [ 60.852869][ T619] WARNING: CPU: 1 PID: 619 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   60.853487][  T619] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   60.854748][  T619] Tainted: [W]=WARN
[   60.854982][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.855372][ T619] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 60.855684][ T619] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   60.856807][  T619] RSP: 0018:ffffc9000138ef70 EFLAGS: 00010246
[   60.857204][  T619] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   60.857693][  T619] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   60.858171][  T619] RBP: ffffc9000138f058 R08: 0000000000000000 R09: 0000000000000000
[   60.858797][  T619] R10: ffffc9000138f088 R11: ffffffffa0d224d4 R12: 1ffff92000271df2
[   60.859416][  T619] R13: 00000000000005dc R14: ffffc9000138f088 R15: ffff8880095faf08
[   60.859877][  T619] FS:  00007fc5619a2800(0000) GS:ffff888090737000(0000) knlGS:0000000000000000
[   60.860578][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.860969][  T619] CR2: 00000000004e5ab0 CR3: 000000000fe6e004 CR4: 0000000000772ef0
[   60.861664][  T619] PKRU: 55555554
[   60.861897][  T619] Call Trace:
[   60.862137][  T619]  <TASK>
[ 60.862518][ T619] ? __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) 
[ 60.862908][ T619] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.863286][ T619] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 60.863600][ T619] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.863908][ T619] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.864219][ T619] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 60.864536][ T619] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.864840][ T619] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.865151][ T619] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.865461][ T619] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.865764][ T619] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.866076][ T619] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.866466][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.866781][ T619] netif_set_mtu (net/core/dev.c:9652) 
[ 60.867085][ T619] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.867434][ T619] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.867673][ T619] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.868115][ T619] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.868467][ T619] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.868795][ T619] do_set_master (net/core/rtnetlink.c:2932) 
[ 60.869108][ T619] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.869434][ T619] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.869830][ T619] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.870139][ T619] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.870464][ T619] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.870774][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.871081][ T619] ? __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) 
[ 60.871412][ T619] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.871795][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.872103][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.872451][ T619] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.872770][ T619] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.873102][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.873431][ T619] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.873757][ T619] ? __create_object (mm/kmemleak.c:771) 
[ 60.874078][ T619] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.874429][ T619] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.874773][ T619] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.875165][ T619] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.875498][ T619] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.875819][ T619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.876134][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.876454][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.876763][ T619] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.877065][ T619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.877416][ T619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.877735][ T619] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.878069][ T619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.878392][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.878723][ T619] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.879025][ T619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.879361][ T619] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.879687][ T619] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.880014][ T619] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 60.880329][ T619] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 60.880639][ T619] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.880959][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.881283][ T619] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.881607][ T619] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.881936][ T619] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.882276][ T619] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.882585][ T619] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.882888][ T619] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.883302][ T619] ___sys_sendmsg (net/socket.c:2670) 
[ 60.883605][ T619] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.883918][ T619] ? __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) 
[ 60.884311][ T619] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.884621][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.884931][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.885256][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.885577][ T619] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.885879][ T619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.886192][ T619] __sys_sendmsg (net/socket.c:2700) 
[ 60.886504][ T619] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.886887][ T619] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.887204][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.887520][ T619] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.887828][ T619] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.888218][  T619] RIP: 0033:0x7fc561b6f1e7
[ 60.888542][ T619] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   60.889643][  T619] RSP: 002b:00007fffab3fc2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.890103][  T619] RAX: ffffffffffffffda RBX: 00007fffab3fc9d0 RCX: 00007fc561b6f1e7
[   60.890569][  T619] RDX: 0000000000000000 RSI: 00007fffab3fc310 RDI: 0000000000000005
[   60.891030][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   60.891492][  T619] R10: 00007fc561a6cee8 R11: 0000000000000246 R12: 0000000000000003
[   60.891960][  T619] R13: 00000000686e67f8 R14: 0000000000499600 R15: 0000000000000000
| [   61.343289][  T623] ------------[ cut here ]------------
| [ 61.343615][ T623] WARNING: CPU: 0 PID: 623 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) 
| [   61.344228][  T623] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   61.346680][  T623] Tainted: [W]=WARN
[   61.346924][  T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.347313][ T623] 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) 
[ 61.347632][ T623] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   61.348763][  T623] RSP: 0018:ffffc900013bef70 EFLAGS: 00010246
[   61.349158][  T623] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   61.349629][  T623] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   61.350091][  T623] RBP: ffffc900013bf058 R08: 0000000000000000 R09: 0000000000000000
[   61.350557][  T623] R10: ffffc900013bf088 R11: ffffffffa3f79160 R12: 1ffff92000277df2
[   61.351025][  T623] R13: 00000000000005dc R14: ffffc900013bf088 R15: ffff8880095faf08
[   61.351493][  T623] FS:  00007f4e2973d800(0000) GS:ffff8880906b7000(0000) knlGS:0000000000000000
[   61.352036][  T623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.352436][  T623] CR2: 00000000004e5aa8 CR3: 0000000002839004 CR4: 0000000000772ef0
[   61.352895][  T623] PKRU: 55555554
[   61.353120][  T623] Call Trace:
[   61.353356][  T623]  <TASK>
[ 61.353511][ T623] ? __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) 
[ 61.353891][ T623] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.354246][ T623] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 61.354560][ T623] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.354868][ T623] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.355181][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 61.355493][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.355797][ T623] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.356117][ T623] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.356429][ T623] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.356735][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.357038][ T623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.357422][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.357739][ T623] netif_set_mtu (net/core/dev.c:9652) 
[ 61.358052][ T623] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.358428][ T623] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.358677][ T623] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.359119][ T623] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.359483][ T623] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.359810][ T623] do_set_master (net/core/rtnetlink.c:2932) 
[ 61.360163][ T623] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.360483][ T623] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.360873][ T623] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.361178][ T623] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.361488][ T623] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.361797][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.362106][ T623] ? __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) 
[ 61.362427][ T623] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.362804][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.363110][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.363418][ T623] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.363723][ T623] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.364026][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.364337][ T623] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.364640][ T623] ? __create_object (mm/kmemleak.c:771) 
[ 61.364950][ T623] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.365266][ T623] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.365569][ T623] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.365946][ T623] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.366265][ T623] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.366576][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.366880][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.367195][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.367509][ T623] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.367811][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.368143][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.368460][ T623] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.368768][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.369075][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.369393][ T623] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.369707][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.370013][ T623] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.370341][ T623] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.370644][ T623] ? 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) 
[ 61.370957][ T623] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 61.371279][ T623] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.371583][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.371898][ T623] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.372206][ T623] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.372519][ T623] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.372830][ T623] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.373135][ T623] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.373444][ T623] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.373832][ T623] ___sys_sendmsg (net/socket.c:2670) 
[ 61.374138][ T623] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.374448][ T623] ? __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) 
[ 61.374827][ T623] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.375133][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.375446][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.375757][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.376059][ T623] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.376374][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.376684][ T623] __sys_sendmsg (net/socket.c:2700) 
[ 61.376986][ T623] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.377368][ T623] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.377684][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.377990][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.378334][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.378717][  T623] RIP: 0033:0x7f4e2990a1e7
[ 61.379030][ T623] 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)
[   61.380120][  T623] RSP: 002b:00007ffc97510dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.380586][  T623] RAX: ffffffffffffffda RBX: 00007ffc975114f0 RCX: 00007f4e2990a1e7
[   61.381047][  T623] RDX: 0000000000000000 RSI: 00007ffc97510e30 RDI: 0000000000000005
[   61.381508][  T623] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.381962][  T623] R10: 00007f4e29807ee8 R11: 0000000000000246 R12: 0000000000000003
[   61.382422][  T623] R13: 00000000686e67f8 R14: 0000000000499600 R15: 0000000000000000
| [   61.627601][  T625] ------------[ cut here ]------------
| [ 61.627946][ T625] WARNING: CPU: 1 PID: 625 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) 
| [   61.628605][  T625] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   61.629939][  T625] Tainted: [W]=WARN
[   61.630182][  T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.630590][ T625] 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) 
[ 61.630922][ T625] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   61.632076][  T625] RSP: 0018:ffffc900013def70 EFLAGS: 00010246
[   61.632489][  T625] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   61.632966][  T625] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   61.633464][  T625] RBP: ffffc900013df058 R08: 0000000000000000 R09: 0000000000000000
[   61.633946][  T625] R10: ffffc900013df088 R11: ffffffffa3f79160 R12: 1ffff9200027bdf2
[   61.635614][  T625] R13: 00000000000005dc R14: ffffc900013df088 R15: ffff8880095faf08
[   61.636113][  T625] FS:  00007f21a48ca800(0000) GS:ffff888090737000(0000) knlGS:0000000000000000
[   61.636691][  T625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.637092][  T625] CR2: 00000000004e5de8 CR3: 000000000fe6e006 CR4: 0000000000772ef0
[   61.637592][  T625] PKRU: 55555554
[   61.637841][  T625] Call Trace:
[   61.638096][  T625]  <TASK>
[ 61.638268][ T625] ? __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) 
[ 61.638669][ T625] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.639033][ T625] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 61.639366][ T625] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.639684][ T625] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.639986][ T625] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 61.640306][ T625] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.640607][ T625] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.640910][ T625] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.641272][ T625] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.641592][ T625] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.641915][ T625] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.642329][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.642661][ T625] netif_set_mtu (net/core/dev.c:9652) 
[ 61.642986][ T625] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.643332][ T625] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.643576][ T625] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.644015][ T625] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.644379][ T625] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.644699][ T625] do_set_master (net/core/rtnetlink.c:2932) 
[ 61.645028][ T625] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.645371][ T625] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.645785][ T625] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.646104][ T625] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.646430][ T625] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.646756][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.647080][ T625] ? __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) 
[ 61.647414][ T625] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.647812][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.648146][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.648479][ T625] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.648801][ T625] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.649120][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.649456][ T625] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.649786][ T625] ? __create_object (mm/kmemleak.c:771) 
[ 61.650106][ T625] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.650451][ T625] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.650774][ T625] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.651173][ T625] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.651509][ T625] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.651837][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.652154][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.652493][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.652814][ T625] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.653134][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.653475][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.653799][ T625] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.654121][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.654455][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.654787][ T625] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.655104][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.655437][ T625] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.655776][ T625] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.656094][ T625] ? 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) 
[ 61.656423][ T625] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 61.656745][ T625] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.657069][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.657410][ T625] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.657736][ T625] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.658065][ T625] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.658407][ T625] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.658731][ T625] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.659050][ T625] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.659472][ T625] ___sys_sendmsg (net/socket.c:2670) 
[ 61.659791][ T625] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.660109][ T625] ? __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) 
[ 61.660515][ T625] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.660840][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.661162][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.661503][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.661828][ T625] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.662152][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.662484][ T625] __sys_sendmsg (net/socket.c:2700) 
[ 61.662802][ T625] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.663196][ T625] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.663538][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.663864][ T625] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.664183][ T625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.664591][  T625] RIP: 0033:0x7f21a4a971e7
[ 61.664922][ T625] 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)
[   61.666094][  T625] RSP: 002b:00007fffd0bb0258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.666580][  T625] RAX: ffffffffffffffda RBX: 00007fffd0bb0980 RCX: 00007f21a4a971e7
[   61.667037][  T625] RDX: 0000000000000000 RSI: 00007fffd0bb02c0 RDI: 0000000000000005
[   61.667499][  T625] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.667953][  T625] R10: 00007f21a4994ee8 R11: 0000000000000246 R12: 0000000000000003
[   61.668434][  T625] R13: 00000000686e67f9 R14: 0000000000499600 R15: 0000000000000000
| [   62.197624][  T629] ------------[ cut here ]------------
| [ 62.198074][ T629] WARNING: CPU: 1 PID: 629 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) 
| [   62.198750][  T629] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   62.200649][  T629] Tainted: [W]=WARN
[   62.200951][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.201388][ T629] 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) 
[ 62.201823][ T629] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   62.203600][  T629] RSP: 0018:ffffc900013eef70 EFLAGS: 00010246
[   62.204019][  T629] RAX: 0000000000000000 RBX: ffff8880095fa000 RCX: 0000000000000001
[   62.204644][  T629] RDX: 0000000000000000 RSI: ffffffffa3a9b939 RDI: ffffffffa32555e0
[   62.205135][  T629] RBP: ffffc900013ef058 R08: 0000000000000000 R09: 0000000000000000
[   62.205759][  T629] R10: ffffc900013ef088 R11: ffffffffa3f79160 R12: 1ffff9200027ddf2
[   62.206436][  T629] R13: 00000000000005dc R14: ffffc900013ef088 R15: ffff8880095faf08
[   62.206994][  T629] FS:  00007f57136a4800(0000) GS:ffff888090737000(0000) knlGS:0000000000000000
[   62.207926][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.208451][  T629] CR2: 00000000004e5ce0 CR3: 0000000002839004 CR4: 0000000000772ef0
[   62.209039][  T629] PKRU: 55555554
[   62.209293][  T629] Call Trace:
[   62.209603][  T629]  <TASK>
[ 62.209778][ T629] ? __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) 
[ 62.210214][ T629] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.210595][ T629] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 62.211080][ T629] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.211512][ T629] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.211850][ T629] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.212178][ T629] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.212632][ T629] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.213012][ T629] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.213344][ T629] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.213667][ T629] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.214014][ T629] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.214426][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.214848][ T629] netif_set_mtu (net/core/dev.c:9652) 
[ 62.215299][ T629] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.215634][ T629] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.215887][ T629] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.216436][ T629] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.216878][ T629] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.217204][ T629] do_set_master (net/core/rtnetlink.c:2932) 
[ 62.217675][ T629] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.218122][ T629] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.218674][ T629] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.219155][ T629] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.219495][ T629] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.219836][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.220166][ T629] ? __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) 
[ 62.220503][ T629] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.220914][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.221247][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.221569][ T629] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.221917][ T629] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.222257][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.222580][ T629] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.222970][ T629] ? __create_object (mm/kmemleak.c:771) 
[ 62.223367][ T629] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.223694][ T629] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.224012][ T629] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.224397][ T629] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.224713][ T629] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.225042][ T629] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.225353][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.225670][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.226005][ T629] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.226318][ T629] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.226630][ T629] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.226982][ T629] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.227305][ T629] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.227620][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.227938][ T629] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.228266][ T629] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.228573][ T629] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.228887][ T629] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.229187][ T629] ? 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) 
[ 62.229503][ T629] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.229881][ T629] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.230259][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.230581][ T629] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.230947][ T629] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.231383][ T629] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.231755][ T629] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.232123][ T629] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.232505][ T629] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.233001][ T629] ___sys_sendmsg (net/socket.c:2670) 
[ 62.233319][ T629] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.233671][ T629] ? __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) 
[ 62.234109][ T629] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.234430][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.234742][ T629] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.235172][ T629] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.235552][ T629] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.235931][ T629] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.236347][ T629] __sys_sendmsg (net/socket.c:2700) 
[ 62.236738][ T629] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.237222][ T629] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.237596][ T629] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.237972][ T629] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.238382][ T629] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.238765][  T629] RIP: 0033:0x7f57138711e7
[ 62.239200][ T629] 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)
[   62.240484][  T629] RSP: 002b:00007fff5aa22288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.240963][  T629] RAX: ffffffffffffffda RBX: 00007fff5aa229b0 RCX: 00007f57138711e7
[   62.241426][  T629] RDX: 0000000000000000 RSI: 00007fff5aa222f0 RDI: 0000000000000005
[   62.241895][  T629] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.242362][  T629] R10: 00007f571376eee8 R11: 0000000000000246 R12: 0000000000000003


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