======================================
| [   21.954057][  T327] br1: port 1(vx10) entered forwarding state
| [   21.955433][  T327] ------------[ cut here ]------------
| [ 21.955778][ T327] WARNING: CPU: 3 PID: 327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.956454][  T327] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.957753][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.958221][ T327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.958578][ T327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.959788][  T327] RSP: 0018:ffffc90000b86ef0 EFLAGS: 00010246
[   21.960216][  T327] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   21.960715][  T327] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   21.961229][  T327] RBP: ffffc90000b86fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.961725][  T327] R10: ffffc90000b87010 R11: ffffffff972a8918 R12: 1ffff92000170de2
[   21.962281][  T327] R13: 00000000000005dc R14: ffffc90000b87010 R15: ffff88800982af08
[   21.962789][  T327] FS:  00007f97f644f800(0000) GS:ffff888097037000(0000) knlGS:0000000000000000
[   21.963383][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.963800][  T327] CR2: 0000000000406141 CR3: 000000000aaa0006 CR4: 0000000000772ef0
[   21.964493][  T327] PKRU: 55555554
[   21.964752][  T327] Call Trace:
[   21.965006][  T327]  <TASK>
[ 21.965178][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.965507][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.965839][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.966222][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.966637][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.966995][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 21.967334][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.967673][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.968134][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.968383][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.968833][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.969214][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.969543][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.969887][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.970331][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.970656][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.970994][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.971338][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.971668][ T327] ? __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) 
[ 21.972016][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.972464][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.972784][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.973103][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.973420][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.973730][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.974091][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.974402][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 21.974725][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.975048][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.975359][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.975749][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.976069][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.976386][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.976701][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.977026][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.977342][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.977650][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.978008][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.978321][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.978632][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.978957][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.979275][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.979587][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.979913][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.980240][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.980548][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.980867][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.981186][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.981497][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.981818][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.982191][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.982538][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.982869][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.983186][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.983498][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.983907][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 21.984217][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.984531][ T327] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.984933][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.985246][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.985562][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.985904][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.986236][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.986551][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.986879][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 21.987189][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.987570][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.987918][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.988227][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.988538][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.988937][  T327] RIP: 0033:0x7f97f661c1e7
[ 21.989265][ T327] 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)
[   21.990410][  T327] RSP: 002b:00007fff92a07758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.990886][  T327] RAX: ffffffffffffffda RBX: 00007fff92a07e80 RCX: 00007f97f661c1e7
[   21.991372][  T327] RDX: 0000000000000000 RSI: 00007fff92a077c0 RDI: 0000000000000005
[   21.991833][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.992348][  T327] R10: 00000000382dd910 R11: 0000000000000246 R12: 0000000000000004
[   21.992822][  T327] R13: 00000000686e3df2 R14: 0000000000499600 R15: 0000000000000000
| [   22.510743][  T332] ------------[ cut here ]------------
| [ 22.511091][ T332] WARNING: CPU: 2 PID: 332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.511718][  T332] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.513846][  T332] Tainted: [W]=WARN
[   22.514132][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.514532][ T332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.514875][ T332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.516041][  T332] RSP: 0018:ffffc900004f6ef0 EFLAGS: 00010246
[   22.516458][  T332] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   22.516955][  T332] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   22.517434][  T332] RBP: ffffc900004f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.517926][  T332] R10: ffffc900004f7010 R11: ffffffff972a8918 R12: 1ffff9200009ede2
[   22.518408][  T332] R13: 00000000000005dc R14: ffffc900004f7010 R15: ffff88800982af08
[   22.518899][  T332] FS:  00007fc1583b5800(0000) GS:ffff888096fb7000(0000) knlGS:0000000000000000
[   22.519461][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.519874][  T332] CR2: 00000000004e5de8 CR3: 0000000009971006 CR4: 0000000000772ef0
[   22.520399][  T332] PKRU: 55555554
[   22.520647][  T332] Call Trace:
[   22.520906][  T332]  <TASK>
[ 22.521085][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.521412][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.521746][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.522102][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.522506][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.522839][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 22.523205][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.523689][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.524456][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.524913][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.526045][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.526429][ T332] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.526761][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.527124][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.527763][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.528131][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.528456][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.528787][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.529365][ T332] ? __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) 
[ 22.529690][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.530115][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.530670][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.531014][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.531338][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.531662][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.532111][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.532517][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 22.532854][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.533434][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.533761][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.534407][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.534738][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.535090][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.535854][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.536221][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.536555][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.536899][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.537233][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.537553][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.537902][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.538233][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.538566][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.538911][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.539250][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.539806][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.540162][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.541042][ T332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.541538][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.542106][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.542686][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.543281][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.543813][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.544378][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.544957][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.545503][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.546186][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 22.546720][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.547270][ T332] ? __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) 
[ 22.547970][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.548547][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.549134][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.549712][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.550287][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.550851][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.551431][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 22.552020][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.553130][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.553598][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.553960][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.554282][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.554670][  T332] RIP: 0033:0x7fc1585821e7
[ 22.555024][ T332] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.556380][  T332] RSP: 002b:00007ffdb5b0d3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.557126][  T332] RAX: ffffffffffffffda RBX: 00007ffdb5b0db00 RCX: 00007fc1585821e7
[   22.557597][  T332] RDX: 0000000000000000 RSI: 00007ffdb5b0d440 RDI: 0000000000000005
[   22.558091][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.558790][  T332] R10: 000000002b38f910 R11: 0000000000000246 R12: 0000000000000004
[   22.559277][  T332] R13: 00000000686e3df3 R14: 0000000000499600 R15: 0000000000000000
| [   22.779304][  T334] ------------[ cut here ]------------
| [ 22.779609][ T334] WARNING: CPU: 3 PID: 334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.780234][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.781408][  T334] Tainted: [W]=WARN
[   22.781638][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.782168][ T334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.782486][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.783594][  T334] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   22.783987][  T334] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   22.784443][  T334] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   22.784910][  T334] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.785364][  T334] R10: ffffc90000607010 R11: ffffffff972a8918 R12: 1ffff920000c0de2
[   22.785815][  T334] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800982af08
[   22.786362][  T334] FS:  00007fe07f6b2800(0000) GS:ffff888097037000(0000) knlGS:0000000000000000
[   22.786904][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.787289][  T334] CR2: 00000000004e5aa8 CR3: 0000000002a55001 CR4: 0000000000772ef0
[   22.787742][  T334] PKRU: 55555554
[   22.787978][  T334] Call Trace:
[   22.788211][  T334]  <TASK>
[ 22.788370][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.788674][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.788999][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.789304][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.789680][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.789996][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 22.790305][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.790618][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.791056][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.791289][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.791706][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.792077][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.792396][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.792717][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.793131][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.793444][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.793747][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.794063][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.794374][ T334] ? __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) 
[ 22.794684][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.795076][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.795391][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.795698][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.796010][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.796316][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.796628][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.796941][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 22.797247][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.797552][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.797855][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.798251][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.798564][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.798886][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.799189][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.799499][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.799803][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.800114][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.800419][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.800731][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.801043][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.801350][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.801662][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.801990][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.802295][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.802616][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.802928][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.803233][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.803543][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.803843][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.804163][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.804471][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.804782][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.805120][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.805429][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.805735][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.806129][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 22.806429][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.806739][ T334] ? __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) 
[ 22.807124][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.807442][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.807750][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.808066][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.808369][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.808677][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.808998][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 22.809300][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.809686][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.810012][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.810316][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.810623][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.811011][  T334] RIP: 0033:0x7fe07f87f1e7
[ 22.811323][ T334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.812439][  T334] RSP: 002b:00007ffcab7b7558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.812913][  T334] RAX: ffffffffffffffda RBX: 00007ffcab7b7c80 RCX: 00007fe07f87f1e7
[   22.813368][  T334] RDX: 0000000000000000 RSI: 00007ffcab7b75c0 RDI: 0000000000000005
[   22.813825][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.814292][  T334] R10: 000000003d2d5910 R11: 0000000000000246 R12: 0000000000000004
[   22.814748][  T334] R13: 00000000686e3df3 R14: 0000000000499600 R15: 0000000000000000
| [   23.080126][  T336] ------------[ cut here ]------------
| [ 23.080516][ T336] WARNING: CPU: 3 PID: 336 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) 
| [   23.081172][  T336] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   23.082365][  T336] Tainted: [W]=WARN
[   23.082598][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.082992][ T336] 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) 
[ 23.083312][ T336] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.084406][  T336] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   23.084799][  T336] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   23.085284][  T336] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   23.085746][  T336] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.086210][  T336] R10: ffffc90000517010 R11: ffffffff972a8918 R12: 1ffff920000a2de2
[   23.086668][  T336] R13: 00000000000005dc R14: ffffc90000517010 R15: ffff88800982af08
[   23.087157][  T336] FS:  00007f49525d9800(0000) GS:ffff888097037000(0000) knlGS:0000000000000000
[   23.087696][  T336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.088092][  T336] CR2: 00000000004e5ab0 CR3: 0000000005946003 CR4: 0000000000772ef0
[   23.088553][  T336] PKRU: 55555554
[   23.088784][  T336] Call Trace:
[   23.089040][  T336]  <TASK>
[ 23.089199][ T336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.089508][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.089821][ T336] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.090188][ T336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.090576][ T336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.090898][ T336] netif_set_mtu (net/core/dev.c:9652) 
[ 23.091207][ T336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.091612][ T336] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.092081][ T336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.092317][ T336] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.092736][ T336] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.093120][ T336] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.093437][ T336] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.093746][ T336] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.094144][ T336] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.094455][ T336] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.094759][ T336] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.095107][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.095421][ T336] ? __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) 
[ 23.095727][ T336] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.096124][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.096437][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.096749][ T336] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.097091][ T336] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.097402][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.097707][ T336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.098022][ T336] ? __create_object (mm/kmemleak.c:771) 
[ 23.098358][ T336] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.098670][ T336] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.098990][ T336] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.099366][ T336] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.099679][ T336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.100000][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.100305][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.100618][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.100945][ T336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.101249][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.101562][ T336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.101898][ T336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.102211][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.102519][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.102830][ T336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.103150][ T336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.103456][ T336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.103779][ T336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.104089][ T336] ? 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) 
[ 23.104400][ T336] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.104710][ T336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.105036][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.105352][ T336] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.105660][ T336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.105981][ T336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.106293][ T336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.106601][ T336] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.106922][ T336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.107362][ T336] ___sys_sendmsg (net/socket.c:2670) 
[ 23.107668][ T336] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.107985][ T336] ? __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) 
[ 23.108378][ T336] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.108707][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.109055][ T336] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.109367][ T336] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.109672][ T336] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.109988][ T336] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.110299][ T336] __sys_sendmsg (net/socket.c:2700) 
[ 23.110719][ T336] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.111462][ T336] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.112075][ T336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.112448][ T336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.112774][ T336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.113203][  T336] RIP: 0033:0x7f49527a61e7
[ 23.113519][ T336] 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)
[   23.114621][  T336] RSP: 002b:00007ffda6670658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.115114][  T336] RAX: ffffffffffffffda RBX: 00007ffda6670d80 RCX: 00007f49527a61e7
[   23.115590][  T336] RDX: 0000000000000000 RSI: 00007ffda66706c0 RDI: 0000000000000005
[   23.116073][  T336] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.116533][  T336] R10: 000000000cbdd910 R11: 0000000000000246 R12: 0000000000000004
[   23.117007][  T336] R13: 00000000686e3df3 R14: 0000000000499600 R15: 0000000000000000
| [   23.583571][  T341] ------------[ cut here ]------------
| [ 23.583897][ T341] WARNING: CPU: 0 PID: 341 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) 
| [   23.584521][  T341] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   23.586460][  T341] Tainted: [W]=WARN
[   23.586722][  T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.587135][ T341] 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) 
[ 23.587453][ T341] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.588626][  T341] RSP: 0018:ffffc900006b6ef0 EFLAGS: 00010246
[   23.589058][  T341] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   23.589541][  T341] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   23.590045][  T341] RBP: ffffc900006b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.590535][  T341] R10: ffffc900006b7010 R11: ffffffff972a8918 R12: 1ffff920000d6de2
[   23.591021][  T341] R13: 00000000000005dc R14: ffffc900006b7010 R15: ffff88800982af08
[   23.591488][  T341] FS:  00007fc3a7157800(0000) GS:ffff888096eb7000(0000) knlGS:0000000000000000
[   23.592073][  T341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.592494][  T341] CR2: 00000000004e6890 CR3: 000000000c704002 CR4: 0000000000772ef0
[   23.593019][  T341] PKRU: 55555554
[   23.593254][  T341] Call Trace:
[   23.593489][  T341]  <TASK>
[ 23.593661][ T341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.593988][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.594310][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.594622][ T341] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.595020][ T341] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.595353][ T341] netif_set_mtu (net/core/dev.c:9652) 
[ 23.595669][ T341] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.596013][ T341] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.596450][ T341] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.596688][ T341] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.597139][ T341] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.597507][ T341] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.597890][ T341] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.598209][ T341] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.598604][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.598927][ T341] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.599240][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.599582][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.599904][ T341] ? __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) 
[ 23.600228][ T341] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.600633][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.600972][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.601301][ T341] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.601613][ T341] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.601947][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.602262][ T341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.602578][ T341] ? __create_object (mm/kmemleak.c:771) 
[ 23.602915][ T341] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.603233][ T341] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.603575][ T341] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.603977][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.604297][ T341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.604631][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.604950][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.605277][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.605593][ T341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.605909][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.606240][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.606555][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.606876][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.607193][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.607511][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.607832][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.608154][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.608528][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.608887][ T341] ? 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) 
[ 23.609200][ T341] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.609547][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.609900][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.610242][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.610555][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.610892][ T341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.611212][ T341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.611526][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.611837][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.612254][ T341] ___sys_sendmsg (net/socket.c:2670) 
[ 23.612571][ T341] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.612917][ T341] ? __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) 
[ 23.613307][ T341] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.613628][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.613957][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.614276][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.614591][ T341] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.614942][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.615265][ T341] __sys_sendmsg (net/socket.c:2700) 
[ 23.615576][ T341] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.615970][ T341] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.616309][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.616631][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.616978][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.617365][  T341] RIP: 0033:0x7fc3a73241e7
[ 23.617693][ T341] 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)
[   23.618827][  T341] RSP: 002b:00007ffe75068b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.619316][  T341] RAX: ffffffffffffffda RBX: 00007ffe75069290 RCX: 00007fc3a73241e7
[   23.619822][  T341] RDX: 0000000000000000 RSI: 00007ffe75068bd0 RDI: 0000000000000005
[   23.620302][  T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.620783][  T341] R10: 00000000276cf910 R11: 0000000000000246 R12: 0000000000000004
[   23.621286][  T341] R13: 00000000686e3df4 R14: 0000000000499600 R15: 0000000000000000
| [   32.933375][  T430] ------------[ cut here ]------------
| [ 32.933707][ T430] WARNING: CPU: 0 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.934993][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.936327][  T430] Tainted: [W]=WARN
[   32.936558][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.936969][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.937310][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.938459][  T430] RSP: 0018:ffffc90000a46ef0 EFLAGS: 00010246
[   32.938885][  T430] RAX: 0000000000000000 RBX: ffff88800e732000 RCX: 0000000000000001
[   32.939341][  T430] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   32.939800][  T430] RBP: ffffc90000a46fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.940287][  T430] R10: ffffc90000a47010 R11: ffffffff96979160 R12: 1ffff92000148de2
[   32.940825][  T430] R13: 00000000000005dc R14: ffffc90000a47010 R15: ffff88800e732f08
[   32.941349][  T430] FS:  00007fa29b17d800(0000) GS:ffff888096eb7000(0000) knlGS:0000000000000000
[   32.941961][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.942380][  T430] CR2: 00000000004e5ce0 CR3: 000000001201f003 CR4: 0000000000772ef0
[   32.942904][  T430] PKRU: 55555554
[   32.943155][  T430] Call Trace:
[   32.943407][  T430]  <TASK>
[ 32.943573][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.943910][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.944235][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.944559][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 32.944903][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.945238][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.945472][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.945970][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.946369][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.946683][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.947017][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.947420][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.947743][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.948071][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.948380][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.948697][ T430] ? __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) 
[ 32.949029][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.949413][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.949721][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.950055][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.950358][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.950673][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.951007][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.951322][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 32.951639][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.951971][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.952284][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.952668][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.953011][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.953321][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.953623][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.953974][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.954308][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.954610][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.954945][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.955257][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.955568][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.955883][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.956196][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.956505][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.956810][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.957146][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.957457][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.957762][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.958086][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.958391][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.958699][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.959016][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.959321][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.959644][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.959965][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.960270][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.960660][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 32.960988][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.961294][ T430] ? __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) 
[ 32.961687][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.962058][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.962373][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.962696][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.963024][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.963333][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.963650][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 32.963971][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.964360][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.964677][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.965011][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.965331][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.965720][  T430] RIP: 0033:0x7fa29b34a1e7
[ 32.966056][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.967174][  T430] RSP: 002b:00007fff2f1c08d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.967636][  T430] RAX: ffffffffffffffda RBX: 00007fff2f1c1000 RCX: 00007fa29b34a1e7
[   32.968110][  T430] RDX: 0000000000000000 RSI: 00007fff2f1c0940 RDI: 0000000000000005
[   32.968586][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.969080][  T430] R10: 00000000283fb910 R11: 0000000000000246 R12: 0000000000000004
[   32.969535][  T430] R13: 00000000686e3dfd R14: 0000000000499600 R15: 0000000000000000
| [   33.434681][  T434] ------------[ cut here ]------------
| [ 33.435031][ T434] WARNING: CPU: 0 PID: 434 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) 
| [   33.435696][  T434] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.436991][  T434] Tainted: [W]=WARN
[   33.437223][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.437659][ T434] 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) 
[ 33.438003][ T434] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.439113][  T434] RSP: 0018:ffffc90000a76ef0 EFLAGS: 00010246
[   33.439503][  T434] RAX: 0000000000000000 RBX: ffff88800e732000 RCX: 0000000000000001
[   33.439978][  T434] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   33.440459][  T434] RBP: ffffc90000a76fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.440932][  T434] R10: ffffc90000a77010 R11: ffffffff972a8918 R12: 1ffff9200014ede2
[   33.441388][  T434] R13: 00000000000005dc R14: ffffc90000a77010 R15: ffff88800e732f08
[   33.441896][  T434] FS:  00007f4c98b1c800(0000) GS:ffff888096eb7000(0000) knlGS:0000000000000000
[   33.442467][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.442886][  T434] CR2: 00000000004e5de8 CR3: 0000000007671002 CR4: 0000000000772ef0
[   33.443382][  T434] PKRU: 55555554
[   33.443630][  T434] Call Trace:
[   33.443879][  T434]  <TASK>
[ 33.444047][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.444377][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.444690][ T434] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.445015][ T434] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.445401][ T434] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.445708][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 33.446042][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.446390][ T434] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.446835][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.447113][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.447561][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.447930][ T434] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.448285][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.448630][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.449036][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.449361][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.449693][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.450099][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.450423][ T434] ? __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) 
[ 33.450730][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.451134][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.451460][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.451771][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.452110][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.452427][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.452733][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.453055][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 33.453372][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.453689][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.454042][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.454444][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.454762][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.455087][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.455402][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.455713][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.456034][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.456356][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.456665][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.456994][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.457312][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.457631][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.457949][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.458254][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.458560][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.458904][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.459216][ T434] ? 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) 
[ 33.459526][ T434] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.459839][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.460156][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.460471][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.460781][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.461118][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.461446][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.461766][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.462111][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.462523][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 33.462844][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.463176][ T434] ? __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) 
[ 33.463581][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.463916][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.464242][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.464569][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.464896][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.465214][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.465540][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 33.465878][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.466277][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.466612][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.466945][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.467271][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.467667][  T434] RIP: 0033:0x7f4c98ce91e7
[ 33.468007][ T434] 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)
[   33.469167][  T434] RSP: 002b:00007fff0fabc918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.469653][  T434] RAX: ffffffffffffffda RBX: 00007fff0fabd040 RCX: 00007f4c98ce91e7
[   33.470172][  T434] RDX: 0000000000000000 RSI: 00007fff0fabc980 RDI: 0000000000000005
[   33.470666][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.471164][  T434] R10: 00000000345ce910 R11: 0000000000000246 R12: 0000000000000004
[   33.471658][  T434] R13: 00000000686e3dfe R14: 0000000000499600 R15: 0000000000000000
| [   33.933152][  T438] ------------[ cut here ]------------
| [ 33.933485][ T438] WARNING: CPU: 2 PID: 438 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) 
| [   33.934119][  T438] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.936587][  T438] Tainted: [W]=WARN
[   33.936838][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.937250][ T438] 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) 
[ 33.937578][ T438] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.938692][  T438] RSP: 0018:ffffc90000b66ef0 EFLAGS: 00010246
[   33.939102][  T438] RAX: 0000000000000000 RBX: ffff88800e732000 RCX: 0000000000000001
[   33.939577][  T438] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   33.940055][  T438] RBP: ffffc90000b66fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.940520][  T438] R10: ffffc90000b67010 R11: ffffffff96979160 R12: 1ffff9200016cde2
[   33.940998][  T438] R13: 00000000000005dc R14: ffffc90000b67010 R15: ffff88800e732f08
[   33.941474][  T438] FS:  00007efefc2d0800(0000) GS:ffff888096fb7000(0000) knlGS:0000000000000000
[   33.942049][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.942446][  T438] CR2: 00000000004e6890 CR3: 000000000bcc4002 CR4: 0000000000772ef0
[   33.942975][  T438] PKRU: 55555554
[   33.943218][  T438] Call Trace:
[   33.943463][  T438]  <TASK>
[ 33.943641][ T438] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.943981][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.944314][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.944636][ T438] netif_set_mtu (net/core/dev.c:9652) 
[ 33.944969][ T438] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.945303][ T438] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.945551][ T438] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.946026][ T438] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.946399][ T438] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.946721][ T438] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.947060][ T438] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.947461][ T438] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.947783][ T438] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.948117][ T438] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.948449][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.948770][ T438] ? __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) 
[ 33.949104][ T438] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.949497][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.949825][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.950174][ T438] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.950499][ T438] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.950824][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.951169][ T438] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.951486][ T438] ? __create_object (mm/kmemleak.c:771) 
[ 33.951807][ T438] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.952154][ T438] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.952473][ T438] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.952901][ T438] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.953227][ T438] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.953555][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.953904][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.954231][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.954548][ T438] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.954874][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.955196][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.955511][ T438] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.955833][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.956176][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.956502][ T438] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.956820][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.957155][ T438] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.957481][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.957794][ T438] ? 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) 
[ 33.958136][ T438] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.958470][ T438] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.958786][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.959125][ T438] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.959446][ T438] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.959761][ T438] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.960109][ T438] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.960440][ T438] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.960768][ T438] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.961194][ T438] ___sys_sendmsg (net/socket.c:2670) 
[ 33.961518][ T438] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.961842][ T438] ? __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) 
[ 33.962280][ T438] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.962611][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.962954][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.963299][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.963618][ T438] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.963947][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.964279][ T438] __sys_sendmsg (net/socket.c:2700) 
[ 33.964594][ T438] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.965000][ T438] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.965343][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.965669][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.966019][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.966410][  T438] RIP: 0033:0x7efefc49d1e7
[ 33.966736][ T438] 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)
[   33.967851][  T438] RSP: 002b:00007ffc49e70df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.968343][  T438] RAX: ffffffffffffffda RBX: 00007ffc49e71520 RCX: 00007efefc49d1e7
[   33.968811][  T438] RDX: 0000000000000000 RSI: 00007ffc49e70e60 RDI: 0000000000000005
[   33.969296][  T438] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.969762][  T438] R10: 000000003711b910 R11: 0000000000000246 R12: 0000000000000004
[   33.970268][  T438] R13: 00000000686e3dfe R14: 0000000000499600 R15: 0000000000000000
| [   34.254850][  T440] ------------[ cut here ]------------
| [ 34.255436][ T440] WARNING: CPU: 3 PID: 440 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.256536][  T440] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   34.258792][  T440] Tainted: [W]=WARN
[   34.259222][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.259929][ T440] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.260502][ T440] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.262495][  T440] RSP: 0018:ffffc90000b76ef0 EFLAGS: 00010246
[   34.263207][  T440] RAX: 0000000000000000 RBX: ffff88800e732000 RCX: 0000000000000001
[   34.264020][  T440] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   34.264830][  T440] RBP: ffffc90000b76fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.265640][  T440] R10: ffffc90000b77010 R11: ffffffff972a8918 R12: 1ffff9200016ede2
[   34.266446][  T440] R13: 00000000000005dc R14: ffffc90000b77010 R15: ffff88800e732f08
[   34.267275][  T440] FS:  00007fd357b06800(0000) GS:ffff888097037000(0000) knlGS:0000000000000000
[   34.268212][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.268908][  T440] CR2: 00000000004e6890 CR3: 000000000eb87001 CR4: 0000000000772ef0
[   34.269705][  T440] PKRU: 55555554
[   34.270134][  T440] Call Trace:
[   34.270548][  T440]  <TASK>
[ 34.270839][ T440] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.271402][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.271975][ T440] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.272290][ T440] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.272676][ T440] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.272996][ T440] netif_set_mtu (net/core/dev.c:9652) 
[ 34.273309][ T440] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.273644][ T440] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.274096][ T440] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.274336][ T440] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.274778][ T440] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.275158][ T440] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.275496][ T440] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.275828][ T440] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.276238][ T440] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.276545][ T440] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.276852][ T440] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.277182][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.277497][ T440] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.277812][ T440] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.278204][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.278522][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.278823][ T440] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.279139][ T440] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.279451][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.279756][ T440] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.280077][ T440] ? __create_object (mm/kmemleak.c:771) 
[ 34.280397][ T440] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.280714][ T440] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.281029][ T440] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.281403][ T440] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.281714][ T440] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.282052][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.282366][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.282683][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.283016][ T440] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.283325][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.283639][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.283957][ T440] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.284274][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.284592][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.284919][ T440] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.285233][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.285553][ T440] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.285892][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.286203][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.286513][ T440] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.286824][ T440] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.287151][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.287477][ T440] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.287804][ T440] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.288128][ T440] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.288450][ T440] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.288755][ T440] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.289069][ T440] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.289455][ T440] ___sys_sendmsg (net/socket.c:2670) 
[ 34.289753][ T440] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.290074][ T440] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.290450][ T440] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.290763][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.291089][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.291401][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.291703][ T440] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.292025][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.292342][ T440] __sys_sendmsg (net/socket.c:2700) 
[ 34.292642][ T440] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.293026][ T440] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.293344][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.293649][ T440] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.293962][ T440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.294337][  T440] RIP: 0033:0x7fd357cd31e7
[ 34.294656][ T440] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.295746][  T440] RSP: 002b:00007ffd29255368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.296221][  T440] RAX: ffffffffffffffda RBX: 00007ffd29255a90 RCX: 00007fd357cd31e7
[   34.296684][  T440] RDX: 0000000000000000 RSI: 00007ffd292553d0 RDI: 0000000000000005
[   34.297158][  T440] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.297628][  T440] R10: 0000000017c4d910 R11: 0000000000000246 R12: 0000000000000004
[   34.298091][  T440] R13: 00000000686e3dfe R14: 0000000000499600 R15: 0000000000000000
| [   34.677134][  T443] ------------[ cut here ]------------
| [ 34.677546][ T443] WARNING: CPU: 3 PID: 443 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.678268][  T443] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   34.679904][  T443] Tainted: [W]=WARN
[   34.680246][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.680793][ T443] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.681230][ T443] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.682494][  T443] RSP: 0018:ffffc9000094eef0 EFLAGS: 00010246
[   34.682897][  T443] RAX: 0000000000000000 RBX: ffff88800e732000 RCX: 0000000000000001
[   34.683415][  T443] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   34.683935][  T443] RBP: ffffc9000094efe0 R08: 0000000000000000 R09: 0000000000000000
[   34.684407][  T443] R10: ffffc9000094f010 R11: ffffffff972a8918 R12: 1ffff92000129de2
[   34.684888][  T443] R13: 00000000000005dc R14: ffffc9000094f010 R15: ffff88800e732f08
[   34.685447][  T443] FS:  00007f6c001dd800(0000) GS:ffff888097037000(0000) knlGS:0000000000000000
[   34.686043][  T443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.686492][  T443] CR2: 00000000004e6890 CR3: 000000000c6c7006 CR4: 0000000000772ef0
[   34.686973][  T443] PKRU: 55555554
[   34.687310][  T443] Call Trace:
[   34.687544][  T443]  <TASK>
[ 34.687706][ T443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.688032][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.688406][ T443] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.688872][ T443] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.689259][ T443] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.689591][ T443] netif_set_mtu (net/core/dev.c:9652) 
[ 34.689913][ T443] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.690233][ T443] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.690678][ T443] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.690923][ T443] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.691359][ T443] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.691718][ T443] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.692065][ T443] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.692389][ T443] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.692777][ T443] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.693098][ T443] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.693421][ T443] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.693731][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.694049][ T443] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.694389][ T443] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.694767][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.695094][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.695420][ T443] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.695727][ T443] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.696042][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.696405][ T443] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.696889][ T443] ? __create_object (mm/kmemleak.c:771) 
[ 34.697200][ T443] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.697527][ T443] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.697832][ T443] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.698227][ T443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.698551][ T443] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.698874][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.699183][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.699525][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.699833][ T443] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.700149][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.700468][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.700773][ T443] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.701091][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.701414][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.701725][ T443] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.702065][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.702382][ T443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.702700][ T443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.703018][ T443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.703352][ T443] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.703778][ T443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.704110][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.704646][ T443] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.705188][ T443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.705589][ T443] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.706006][ T443] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.706338][ T443] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.706738][ T443] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.707248][ T443] ___sys_sendmsg (net/socket.c:2670) 
[ 34.707603][ T443] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.708025][ T443] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.708441][ T443] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.708765][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.709100][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.709440][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.709783][ T443] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.710203][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.710640][ T443] __sys_sendmsg (net/socket.c:2700) 
[ 34.710975][ T443] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.711419][ T443] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.711822][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.712262][ T443] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.712609][ T443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.713026][  T443] RIP: 0033:0x7f6c003aa1e7
[ 34.713418][ T443] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.714594][  T443] RSP: 002b:00007fff504189f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.715095][  T443] RAX: ffffffffffffffda RBX: 00007fff50419120 RCX: 00007f6c003aa1e7
[   34.715606][  T443] RDX: 0000000000000000 RSI: 00007fff50418a60 RDI: 0000000000000005
[   34.716096][  T443] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.716590][  T443] R10: 000000001c7e5910 R11: 0000000000000246 R12: 0000000000000004
[   34.717165][  T443] R13: 00000000686e3dff R14: 0000000000499600 R15: 0000000000000000
| [   62.490213][  T658] ------------[ cut here ]------------
| [ 62.490604][ T658] WARNING: CPU: 2 PID: 658 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) 
| [   62.491896][  T658] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.493293][  T658] Tainted: [W]=WARN
[   62.493557][  T658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.493992][ T658] 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) 
[ 62.494347][ T658] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.495534][  T658] RSP: 0018:ffffc90001326f70 EFLAGS: 00010246
[   62.495973][  T658] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   62.496480][  T658] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   62.496999][  T658] RBP: ffffc90001327058 R08: 0000000000000000 R09: 0000000000000000
[   62.497514][  T658] R10: ffffc90001327088 R11: ffffffff92800130 R12: 1ffff92000264df2
[   62.498023][  T658] R13: 00000000000005dc R14: ffffc90001327088 R15: ffff88800982af08
[   62.498517][  T658] FS:  00007f211727f800(0000) GS:ffff888096fb7000(0000) knlGS:0000000000000000
[   62.499105][  T658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.499531][  T658] CR2: 00000000004e5ab0 CR3: 0000000002621006 CR4: 0000000000772ef0
[   62.500064][  T658] PKRU: 55555554
[   62.500320][  T658] Call Trace:
[   62.500576][  T658]  <TASK>
[ 62.500751][ T658] ? __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) 
[ 62.501186][ T658] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.501570][ T658] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.501925][ T658] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.502268][ T658] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.502612][ T658] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.502959][ T658] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.503297][ T658] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.503632][ T658] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.503976][ T658] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.504307][ T658] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.504641][ T658] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.505067][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.505423][ T658] netif_set_mtu (net/core/dev.c:9652) 
[ 62.505759][ T658] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.506120][ T658] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.506380][ T658] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.506837][ T658] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.507218][ T658] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.507551][ T658] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.507897][ T658] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.508251][ T658] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.508673][ T658] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.509020][ T658] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.509354][ T658] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.509692][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.510066][ T658] ? __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) 
[ 62.510412][ T658] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.510824][ T658] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.511167][ T658] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.511500][ T658] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.511832][ T658] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.512194][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.512530][ T658] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.512871][ T658] ? __create_object (mm/kmemleak.c:771) 
[ 62.513217][ T658] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.513555][ T658] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.513896][ T658] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.514307][ T658] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.514645][ T658] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.514993][ T658] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.515329][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.515669][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.516026][ T658] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.516357][ T658] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.516691][ T658] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.517034][ T658] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.517367][ T658] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.517704][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.518051][ T658] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.518396][ T658] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.518727][ T658] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.519081][ T658] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.519414][ T658] ? 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) 
[ 62.519750][ T658] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.520094][ T658] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.520425][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.520772][ T658] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.521120][ T658] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.521455][ T658] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.521794][ T658] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.522160][ T658] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.522492][ T658] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.522922][ T658] ___sys_sendmsg (net/socket.c:2670) 
[ 62.523265][ T658] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.523599][ T658] ? __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) 
[ 62.524021][ T658] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.524358][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.524694][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.525045][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.525379][ T658] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.525720][ T658] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.526070][ T658] __sys_sendmsg (net/socket.c:2700) 
[ 62.526400][ T658] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.526809][ T658] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.527168][ T658] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.527500][ T658] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.527834][ T658] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.528257][  T658] RIP: 0033:0x7f211744c1e7
[ 62.528609][ T658] 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)
[   62.529767][  T658] RSP: 002b:00007ffe97a9b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.530272][  T658] RAX: ffffffffffffffda RBX: 00007ffe97a9b8c0 RCX: 00007f211744c1e7
[   62.530772][  T658] RDX: 0000000000000000 RSI: 00007ffe97a9b200 RDI: 0000000000000005
[   62.531276][  T658] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.531774][  T658] R10: 00007f2117349ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.532289][  T658] R13: 00000000686e3e1b R14: 0000000000499600 R15: 0000000000000000
| [   62.911281][  T661] ------------[ cut here ]------------
| [ 62.911759][ T661] WARNING: CPU: 0 PID: 661 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) 
| [   62.912503][  T661] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.914039][  T661] Tainted: [W]=WARN
[   62.914281][  T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.914682][ T661] 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) 
[ 62.916313][ T661] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.917488][  T661] RSP: 0018:ffffc90001356f70 EFLAGS: 00010246
[   62.917902][  T661] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   62.918389][  T661] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   62.918897][  T661] RBP: ffffc90001357058 R08: 0000000000000000 R09: 0000000000000000
[   62.919389][  T661] R10: ffffc90001357088 R11: ffffffff96979160 R12: 1ffff9200026adf2
[   62.919882][  T661] R13: 00000000000005dc R14: ffffc90001357088 R15: ffff88800982af08
[   62.920370][  T661] FS:  00007f9a85f81800(0000) GS:ffff888096eb7000(0000) knlGS:0000000000000000
[   62.920938][  T661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.921350][  T661] CR2: 00000000004e5aa8 CR3: 000000000f348004 CR4: 0000000000772ef0
[   62.921835][  T661] PKRU: 55555554
[   62.922095][  T661] Call Trace:
[   62.922336][  T661]  <TASK>
[ 62.922502][ T661] ? __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) 
[ 62.922939][ T661] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.923316][ T661] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.923638][ T661] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.923968][ T661] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.924295][ T661] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.924619][ T661] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.924950][ T661] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.925289][ T661] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.925621][ T661] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.925951][ T661] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.926274][ T661] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.926678][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.927036][ T661] netif_set_mtu (net/core/dev.c:9652) 
[ 62.927365][ T661] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.927710][ T661] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.927964][ T661] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.928411][ T661] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.928770][ T661] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.929105][ T661] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.929439][ T661] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.929766][ T661] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.930190][ T661] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.930522][ T661] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.930845][ T661] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.931198][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.931531][ T661] ? __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) 
[ 62.931854][ T661] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.932280][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.932609][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.932942][ T661] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.933267][ T661] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.933595][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.933925][ T661] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.934247][ T661] ? __create_object (mm/kmemleak.c:771) 
[ 62.934573][ T661] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.934929][ T661] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.935261][ T661] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.935670][ T661] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.936006][ T661] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.936333][ T661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.936661][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.936996][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.937318][ T661] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.937634][ T661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.937979][ T661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.938305][ T661] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.938629][ T661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.938977][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.939309][ T661] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.939636][ T661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.939970][ T661] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.940317][ T661] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.940641][ T661] ? 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) 
[ 62.940973][ T661] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.941300][ T661] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.941620][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.941969][ T661] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.942299][ T661] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.942629][ T661] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.942984][ T661] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.943316][ T661] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.943634][ T661] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.944054][ T661] ___sys_sendmsg (net/socket.c:2670) 
[ 62.944372][ T661] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.944690][ T661] ? __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) 
[ 62.945103][ T661] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.945428][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.945750][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.946082][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.946402][ T661] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.946724][ T661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.947070][ T661] __sys_sendmsg (net/socket.c:2700) 
[ 62.947395][ T661] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.947810][ T661] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.948153][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.948475][ T661] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.948797][ T661] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.949206][  T661] RIP: 0033:0x7f9a8614e1e7
[ 62.949542][ T661] 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)
[   62.950694][  T661] RSP: 002b:00007ffcbd4d7688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.951204][  T661] RAX: ffffffffffffffda RBX: 00007ffcbd4d7db0 RCX: 00007f9a8614e1e7
[   62.951688][  T661] RDX: 0000000000000000 RSI: 00007ffcbd4d76f0 RDI: 0000000000000005
[   62.952201][  T661] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.952683][  T661] R10: 00007f9a8604bee8 R11: 0000000000000246 R12: 0000000000000003
[   62.953180][  T661] R13: 00000000686e3e1b R14: 0000000000499600 R15: 0000000000000000
| [   63.198716][  T663] ------------[ cut here ]------------
| [ 63.199119][ T663] WARNING: CPU: 0 PID: 663 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) 
| [   63.199832][  T663] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.201453][  T663] Tainted: [W]=WARN
[   63.201736][  T663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.202389][ T663] 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) 
[ 63.202756][ T663] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   63.204183][  T663] RSP: 0018:ffffc90001366f70 EFLAGS: 00010246
[   63.204632][  T663] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   63.205414][  T663] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   63.206178][  T663] RBP: ffffc90001367058 R08: 0000000000000000 R09: 0000000000000000
[   63.206705][  T663] R10: ffffc90001367088 R11: ffffffff96979160 R12: 1ffff9200026cdf2
[   63.207494][  T663] R13: 00000000000005dc R14: ffffc90001367088 R15: ffff88800982af08
[   63.208242][  T663] FS:  00007f1d029d1800(0000) GS:ffff888096eb7000(0000) knlGS:0000000000000000
[   63.208853][  T663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.209573][  T663] CR2: 00000000004e6100 CR3: 000000000e2d3002 CR4: 0000000000772ef0
[   63.210318][  T663] PKRU: 55555554
[   63.210605][  T663] Call Trace:
[   63.211559][  T663]  <TASK>
[ 63.211745][ T663] ? __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) 
[ 63.212508][ T663] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.213230][ T663] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.213589][ T663] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.214346][ T663] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.214701][ T663] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.215379][ T663] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.215737][ T663] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.216396][ T663] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.216747][ T663] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.217416][ T663] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.217778][ T663] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.218518][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.219155][ T663] netif_set_mtu (net/core/dev.c:9652) 
[ 63.219522][ T663] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.220169][ T663] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.220437][ T663] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.221162][ T663] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.221548][ T663] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.222197][ T663] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.222555][ T663] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.223206][ T663] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.223651][ T663] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.224230][ T663] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.224582][ T663] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.225130][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.225491][ T663] ? __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) 
[ 63.225839][ T663] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.226455][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.226817][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.227378][ T663] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.227733][ T663] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.228288][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.228654][ T663] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.229177][ T663] ? __create_object (mm/kmemleak.c:771) 
[ 63.229542][ T663] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.230121][ T663] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.230480][ T663] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.231136][ T663] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.231493][ T663] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.231843][ T663] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.232384][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.232740][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.233319][ T663] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.233666][ T663] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.234235][ T663] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.234593][ T663] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.235117][ T663] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.235466][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.235816][ T663] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.236441][ T663] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.236813][ T663] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.237433][ T663] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.237785][ T663] ? 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) 
[ 63.238364][ T663] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.238721][ T663] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.239315][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.239675][ T663] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.240292][ T663] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.240650][ T663] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.241206][ T663] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.241563][ T663] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.242223][ T663] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.242680][ T663] ___sys_sendmsg (net/socket.c:2670) 
[ 63.243279][ T663] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.243643][ T663] ? __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) 
[ 63.244266][ T663] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.244618][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.245235][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.245587][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.246225][ T663] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.246577][ T663] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.247160][ T663] __sys_sendmsg (net/socket.c:2700) 
[ 63.247516][ T663] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.248248][ T663] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.248613][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.249213][ T663] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.249568][ T663] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.250278][  T663] RIP: 0033:0x7f1d02b9e1e7
[ 63.250646][ T663] 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)
[   63.252163][  T663] RSP: 002b:00007ffca2066e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.252701][  T663] RAX: ffffffffffffffda RBX: 00007ffca2067570 RCX: 00007f1d02b9e1e7
[   63.253459][  T663] RDX: 0000000000000000 RSI: 00007ffca2066eb0 RDI: 0000000000000005
[   63.254231][  T663] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.254747][  T663] R10: 00007f1d02a9bee8 R11: 0000000000000246 R12: 0000000000000003
[   63.255522][  T663] R13: 00000000686e3e1b R14: 0000000000499600 R15: 0000000000000000
| [   63.881395][  T667] ------------[ cut here ]------------
| [ 63.881723][ T667] WARNING: CPU: 0 PID: 667 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) 
| [   63.882492][  T667] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.883811][  T667] Tainted: [W]=WARN
[   63.884082][  T667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.884481][ T667] 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) 
[ 63.884937][ T667] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   63.886252][  T667] RSP: 0018:ffffc90001396f70 EFLAGS: 00010246
[   63.886661][  T667] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   63.887153][  T667] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   63.887635][  T667] RBP: ffffc90001397058 R08: 0000000000000000 R09: 0000000000000000
[   63.888132][  T667] R10: ffffc90001397088 R11: ffffffff96979160 R12: 1ffff92000272df2
[   63.888621][  T667] R13: 00000000000005dc R14: ffffc90001397088 R15: ffff88800982af08
[   63.889131][  T667] FS:  00007f25c4eb3800(0000) GS:ffff888096eb7000(0000) knlGS:0000000000000000
[   63.889693][  T667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.890108][  T667] CR2: 00000000004e5de8 CR3: 000000000c3d6003 CR4: 0000000000772ef0
[   63.890835][  T667] PKRU: 55555554
[   63.891090][  T667] Call Trace:
[   63.891329][  T667]  <TASK>
[ 63.891493][ T667] ? __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) 
[ 63.891899][ T667] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.892276][ T667] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.892601][ T667] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.892928][ T667] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.893244][ T667] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.893797][ T667] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.894123][ T667] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.894445][ T667] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.894834][ T667] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.895394][ T667] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.895727][ T667] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.896137][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.896469][ T667] netif_set_mtu (net/core/dev.c:9652) 
[ 63.897036][ T667] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.897377][ T667] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.897619][ T667] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.898299][ T667] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.898675][ T667] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.899009][ T667] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.899339][ T667] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.899667][ T667] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.900311][ T667] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.900637][ T667] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.900971][ T667] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.901525][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.901851][ T667] ? __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) 
[ 63.902199][ T667] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.902592][ T667] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.903204][ T667] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.903526][ T667] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.903848][ T667] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.904185][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.904724][ T667] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.905041][ T667] ? __create_object (mm/kmemleak.c:771) 
[ 63.905371][ T667] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.905684][ T667] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.906006][ T667] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.906406][ T667] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.906728][ T667] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.907062][ T667] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.907602][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.907930][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.908254][ T667] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.908574][ T667] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.909138][ T667] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.909463][ T667] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.909783][ T667] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.910108][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.910650][ T667] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.910967][ T667] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.911288][ T667] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.911615][ T667] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.912168][ T667] ? 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) 
[ 63.912484][ T667] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.912807][ T667] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.913122][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.913661][ T667] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.913989][ T667] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.914301][ T667] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.914627][ T667] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.915173][ T667] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.915489][ T667] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.915892][ T667] ___sys_sendmsg (net/socket.c:2670) 
[ 63.916206][ T667] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.916739][ T667] ? __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) 
[ 63.917140][ T667] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.917476][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.918013][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.918342][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.918659][ T667] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.918984][ T667] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.919527][ T667] __sys_sendmsg (net/socket.c:2700) 
[ 63.919844][ T667] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.920250][ T667] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.920582][ T667] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.921134][ T667] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.921496][ T667] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.921967][  T667] RIP: 0033:0x7f25c50801e7
[ 63.922342][ T667] 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)
[   63.923805][  T667] RSP: 002b:00007ffee21cf468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.924602][  T667] RAX: ffffffffffffffda RBX: 00007ffee21cfb90 RCX: 00007f25c50801e7
[   63.925155][  T667] RDX: 0000000000000000 RSI: 00007ffee21cf4d0 RDI: 0000000000000005
[   63.925680][  T667] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.926442][  T667] R10: 00007f25c4f7dee8 R11: 0000000000000246 R12: 0000000000000003
[   63.926972][  T667] R13: 00000000686e3e1c R14: 0000000000499600 R15: 0000000000000000
| [   64.467115][  T671] ------------[ cut here ]------------
| [ 64.467473][ T671] WARNING: CPU: 3 PID: 671 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) 
| [   64.468101][  T671] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.470253][  T671] Tainted: [W]=WARN
[   64.470496][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.470896][ T671] 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) 
[ 64.471226][ T671] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   64.472377][  T671] RSP: 0018:ffffc900013c6f70 EFLAGS: 00010246
[   64.472783][  T671] RAX: 0000000000000000 RBX: ffff88800982a000 RCX: 0000000000000001
[   64.473291][  T671] RDX: 0000000000000000 RSI: ffffffff9649b941 RDI: ffffffff95c555e0
[   64.473756][  T671] RBP: ffffc900013c7058 R08: 0000000000000000 R09: 0000000000000000
[   64.474251][  T671] R10: ffffc900013c7088 R11: ffffffff96979160 R12: 1ffff92000278df2
[   64.474813][  T671] R13: 00000000000005dc R14: ffffc900013c7088 R15: ffff88800982af08
[   64.475289][  T671] FS:  00007fdc52b20800(0000) GS:ffff888097037000(0000) knlGS:0000000000000000
[   64.475823][  T671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.476236][  T671] CR2: 00000000004e5ce0 CR3: 000000000eb0a005 CR4: 0000000000772ef0
[   64.476704][  T671] PKRU: 55555554
[   64.476953][  T671] Call Trace:
[   64.477185][  T671]  <TASK>
[ 64.477346][ T671] ? __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) 
[ 64.477743][ T671] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.478108][ T671] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.478417][ T671] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.478742][ T671] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.479078][ T671] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.479392][ T671] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.479702][ T671] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.480033][ T671] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.480345][ T671] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.480652][ T671] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.480971][ T671] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.481361][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.481688][ T671] netif_set_mtu (net/core/dev.c:9652) 
[ 64.482033][ T671] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.482357][ T671] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.482605][ T671] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.483044][ T671] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.483434][ T671] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.483752][ T671] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.484076][ T671] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.484384][ T671] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.484777][ T671] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.485102][ T671] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.485407][ T671] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.485717][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.486037][ T671] ? __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) 
[ 64.486344][ T671] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.486722][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.487095][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.487405][ T671] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.487709][ T671] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.488024][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.488334][ T671] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.488636][ T671] ? __create_object (mm/kmemleak.c:771) 
[ 64.488953][ T671] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.489259][ T671] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.489565][ T671] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.489957][ T671] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.490265][ T671] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.490573][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.491271][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.491585][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.491897][ T671] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.492223][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.492537][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.492838][ T671] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.493156][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.493464][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.493776][ T671] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.494096][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.494402][ T671] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.494713][ T671] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.495035][ T671] ? 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) 
[ 64.495341][ T671] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.495648][ T671] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.495960][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.496274][ T671] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.496585][ T671] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.496906][ T671] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.497231][ T671] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.497541][ T671] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.497843][ T671] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.498252][ T671] ___sys_sendmsg (net/socket.c:2670) 
[ 64.498560][ T671] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.498885][ T671] ? __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) 
[ 64.499269][ T671] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.499586][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.499913][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.500293][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.500623][ T671] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.500962][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.501300][ T671] __sys_sendmsg (net/socket.c:2700) 
[ 64.501627][ T671] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.502129][ T671] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.502472][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.502801][ T671] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.503139][ T671] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.503546][  T671] RIP: 0033:0x7fdc52ced1e7
[ 64.503892][ T671] 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)
[   64.505047][  T671] RSP: 002b:00007ffc0846e408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.505524][  T671] RAX: ffffffffffffffda RBX: 00007ffc0846eb30 RCX: 00007fdc52ced1e7
[   64.506001][  T671] RDX: 0000000000000000 RSI: 00007ffc0846e470 RDI: 0000000000000005
[   64.506482][  T671] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.506961][  T671] R10: 00007fdc52beaee8 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